1 /*
2  * Copyright 2011 Vincent Povirk for CodeWeavers
3  * Copyright 2012,2017 Dmitry Timoshkov
4  *
5  * This library is free software; you can redistribute it and/or
6  * modify it under the terms of the GNU Lesser General Public
7  * License as published by the Free Software Foundation; either
8  * version 2.1 of the License, or (at your option) any later version.
9  *
10  * This library is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
13  * Lesser General Public License for more details.
14  *
15  * You should have received a copy of the GNU Lesser General Public
16  * License along with this library; if not, write to the Free Software
17  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
18  */
19 
20 #include <stdio.h>
21 #include <stdarg.h>
22 #include <math.h>
23 #include <assert.h>
24 
25 #define COBJMACROS
26 
27 #include "windef.h"
28 #include "objbase.h"
29 #include "wincodec.h"
30 #include "wincodecsdk.h"
31 #include "propvarutil.h"
32 #include "wine/test.h"
33 
34 #include "initguid.h"
35 DEFINE_GUID(IID_MdbrUnknown, 0x00240e6f,0x3f23,0x4432,0xb0,0xcc,0x48,0xd5,0xbb,0xff,0x6c,0x36);
36 
37 #define expect_blob(propvar, data, length) do { \
38     ok((propvar).vt == VT_BLOB, "unexpected vt: %i\n", (propvar).vt); \
39     if ((propvar).vt == VT_BLOB) { \
40         ok(U(propvar).blob.cbSize == (length), "expected size %u, got %u\n", (ULONG)(length), U(propvar).blob.cbSize); \
41         if (U(propvar).blob.cbSize == (length)) { \
42             ok(!memcmp(U(propvar).blob.pBlobData, (data), (length)), "unexpected data\n"); \
43         } \
44     } \
45 } while (0)
46 
47 #define IFD_BYTE 1
48 #define IFD_ASCII 2
49 #define IFD_SHORT 3
50 #define IFD_LONG 4
51 #define IFD_RATIONAL 5
52 #define IFD_SBYTE 6
53 #define IFD_UNDEFINED 7
54 #define IFD_SSHORT 8
55 #define IFD_SLONG 9
56 #define IFD_SRATIONAL 10
57 #define IFD_FLOAT 11
58 #define IFD_DOUBLE 12
59 #define IFD_IFD 13
60 
61 #include "pshpack2.h"
62 struct IFD_entry
63 {
64     SHORT id;
65     SHORT type;
66     ULONG count;
67     LONG  value;
68 };
69 
70 struct IFD_rational
71 {
72     LONG numerator;
73     LONG denominator;
74 };
75 
76 static const struct ifd_data
77 {
78     USHORT number_of_entries;
79     struct IFD_entry entry[40];
80     ULONG next_IFD;
81     struct IFD_rational xres;
82     DOUBLE double_val;
83     struct IFD_rational srational_val;
84     char string[14];
85     SHORT short_val[4];
86     LONG long_val[2];
87     FLOAT float_val[2];
88     struct IFD_rational rational[3];
89 } IFD_data =
90 {
91     28,
92     {
93         { 0xfe,  IFD_SHORT, 1, 1 }, /* NEWSUBFILETYPE */
94         { 0x100, IFD_LONG, 1, 222 }, /* IMAGEWIDTH */
95         { 0x101, IFD_LONG, 1, 333 }, /* IMAGELENGTH */
96         { 0x102, IFD_SHORT, 1, 24 }, /* BITSPERSAMPLE */
97         { 0x103, IFD_LONG, 1, 32773 }, /* COMPRESSION: packbits */
98         { 0x11a, IFD_RATIONAL, 1, FIELD_OFFSET(struct ifd_data, xres) },
99         { 0xf001, IFD_BYTE, 1, 0x11223344 },
100         { 0xf002, IFD_BYTE, 4, 0x11223344 },
101         { 0xf003, IFD_SBYTE, 1, 0x11223344 },
102         { 0xf004, IFD_SSHORT, 1, 0x11223344 },
103         { 0xf005, IFD_SSHORT, 2, 0x11223344 },
104         { 0xf006, IFD_SLONG, 1, 0x11223344 },
105         { 0xf007, IFD_FLOAT, 1, 0x11223344 },
106         { 0xf008, IFD_DOUBLE, 1, FIELD_OFFSET(struct ifd_data, double_val) },
107         { 0xf009, IFD_SRATIONAL, 1, FIELD_OFFSET(struct ifd_data, srational_val) },
108         { 0xf00a, IFD_BYTE, 13, FIELD_OFFSET(struct ifd_data, string) },
109         { 0xf00b, IFD_SSHORT, 4, FIELD_OFFSET(struct ifd_data, short_val) },
110         { 0xf00c, IFD_SLONG, 2, FIELD_OFFSET(struct ifd_data, long_val) },
111         { 0xf00d, IFD_FLOAT, 2, FIELD_OFFSET(struct ifd_data, float_val) },
112         { 0xf00e, IFD_ASCII, 13, FIELD_OFFSET(struct ifd_data, string) },
113         { 0xf00f, IFD_ASCII, 4, 'a' | 'b' << 8 | 'c' << 16 | 'd' << 24 },
114         { 0xf010, IFD_UNDEFINED, 13, FIELD_OFFSET(struct ifd_data, string) },
115         { 0xf011, IFD_UNDEFINED, 4, 'a' | 'b' << 8 | 'c' << 16 | 'd' << 24 },
116         { 0xf012, IFD_BYTE, 0, 0x11223344 },
117         { 0xf013, IFD_SHORT, 0, 0x11223344 },
118         { 0xf014, IFD_LONG, 0, 0x11223344 },
119         { 0xf015, IFD_FLOAT, 0, 0x11223344 },
120         { 0xf016, IFD_SRATIONAL, 3, FIELD_OFFSET(struct ifd_data, rational) },
121     },
122     0,
123     { 900, 3 },
124     1234567890.0987654321,
125     { 0x1a2b3c4d, 0x5a6b7c8d },
126     "Hello World!",
127     { 0x0101, 0x0202, 0x0303, 0x0404 },
128     { 0x11223344, 0x55667788 },
129     { (FLOAT)1234.5678, (FLOAT)8765.4321 },
130     { { 0x01020304, 0x05060708 }, { 0x10203040, 0x50607080 }, { 0x11223344, 0x55667788 } },
131 };
132 #include "poppack.h"
133 
134 static const char metadata_unknown[] = "lalala";
135 
136 static const char metadata_tEXt[] = {
137     0,0,0,14, /* chunk length */
138     't','E','X','t', /* chunk type */
139     'w','i','n','e','t','e','s','t',0, /* keyword */
140     'v','a','l','u','e', /* text */
141     0x3f,0x64,0x19,0xf3 /* chunk CRC */
142 };
143 
144 static const char metadata_gAMA[] = {
145     0,0,0,4, /* chunk length */
146     'g','A','M','A', /* chunk type */
147     0,0,130,53, /* gamma */
148     0xff,0xff,0xff,0xff /* chunk CRC */
149 };
150 
151 static const char metadata_cHRM[] = {
152     0,0,0,32, /* chunk length */
153     'c','H','R','M', /* chunk type */
154     0,0,122,38, 0,0,128,132, /* white point */
155     0,0,250,0, 0,0,128,232, /* red */
156     0,0,117,48, 0,0,234,96, /* green */
157     0,0,58,152, 0,0,23,112, /* blue */
158     0xff,0xff,0xff,0xff /* chunk CRC */
159 };
160 
161 static const char pngimage[285] = {
162 0x89,0x50,0x4e,0x47,0x0d,0x0a,0x1a,0x0a,0x00,0x00,0x00,0x0d,0x49,0x48,0x44,0x52,
163 0x00,0x00,0x00,0x01,0x00,0x00,0x00,0x01,0x08,0x02,0x00,0x00,0x00,0x90,0x77,0x53,
164 0xde,0x00,0x00,0x00,0x09,0x70,0x48,0x59,0x73,0x00,0x00,0x0b,0x13,0x00,0x00,0x0b,
165 0x13,0x01,0x00,0x9a,0x9c,0x18,0x00,0x00,0x00,0x07,0x74,0x49,0x4d,0x45,0x07,0xd5,
166 0x06,0x03,0x0f,0x07,0x2d,0x12,0x10,0xf0,0xfd,0x00,0x00,0x00,0x0c,0x49,0x44,0x41,
167 0x54,0x08,0xd7,0x63,0xf8,0xff,0xff,0x3f,0x00,0x05,0xfe,0x02,0xfe,0xdc,0xcc,0x59,
168 0xe7,0x00,0x00,0x00,0x00,0x49,0x45,0x4e,0x44,0xae,0x42,0x60,0x82
169 };
170 
171 /* 1x1 pixel gif */
172 static const char gifimage[35] = {
173 0x47,0x49,0x46,0x38,0x37,0x61,0x01,0x00,0x01,0x00,0x80,0x00,0x00,0xff,0xff,0xff,
174 0xff,0xff,0xff,0x2c,0x00,0x00,0x00,0x00,0x01,0x00,0x01,0x00,0x00,0x02,0x02,0x44,
175 0x01,0x00,0x3b
176 };
177 
178 /* 1x1 pixel gif, 2 frames; first frame is white, second is black */
179 static const char animatedgif[] = {
180 'G','I','F','8','9','a',0x01,0x00,0x01,0x00,0xA1,0x00,0x00,
181 0x6F,0x6F,0x6F,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
182 /*0x21,0xFF,0x0B,'N','E','T','S','C','A','P','E','2','.','0',*/
183 0x21,0xFF,0x0B,'A','N','I','M','E','X','T','S','1','.','0',
184 0x03,0x01,0x05,0x00,0x00,
185 0x21,0xFE,0x0C,'H','e','l','l','o',' ','W','o','r','l','d','!',0x00,
186 0x21,0x01,0x0D,'a','n','i','m','a','t','i','o','n','.','g','i','f',0x00,
187 0x21,0xF9,0x04,0x00,0x0A,0x00,0xFF,0x00,0x2C,
188 0x00,0x00,0x00,0x00,0x01,0x00,0x01,0x00,0x81,
189 0xDE,0xDE,0xDE,0x00,0x00,0x00,
190 0x00,0x00,0x00,0x00,0x00,0x00,0x02,0x02,0x4C,0x01,0x00,
191 0x21,0xFE,0x08,'i','m','a','g','e',' ','#','1',0x00,
192 0x21,0x01,0x0C,'p','l','a','i','n','t','e','x','t',' ','#','1',0x00,
193 0x21,0xF9,0x04,0x01,0x0A,0x00,0x01,0x00,0x2C,
194 0x00,0x00,0x00,0x00,0x01,0x00,0x01,0x00,0x81,
195 0x4D,0x4D,0x4D,0x00,0x00,0x00,
196 0x00,0x00,0x00,0x00,0x00,0x00,0x02,0x02,0x44,0x01,0x00,
197 0x21,0xFE,0x08,'i','m','a','g','e',' ','#','2',0x00,
198 0x21,0x01,0x0C,'p','l','a','i','n','t','e','x','t',' ','#','2',0x00,0x3B
199 };
200 
201 static IStream *create_stream(const char *data, int data_size)
202 {
203     HRESULT hr;
204     IStream *stream;
205     HGLOBAL hdata;
206     void *locked_data;
207 
208     hdata = GlobalAlloc(GMEM_MOVEABLE, data_size);
209     ok(hdata != 0, "GlobalAlloc failed\n");
210     if (!hdata) return NULL;
211 
212     locked_data = GlobalLock(hdata);
213     memcpy(locked_data, data, data_size);
214     GlobalUnlock(hdata);
215 
216     hr = CreateStreamOnHGlobal(hdata, TRUE, &stream);
217     ok(hr == S_OK, "CreateStreamOnHGlobal failed, hr=%x\n", hr);
218 
219     return stream;
220 }
221 
222 static void load_stream(IUnknown *reader, const char *data, int data_size, DWORD persist_options)
223 {
224     HRESULT hr;
225     IWICPersistStream *persist;
226     IStream *stream;
227     LARGE_INTEGER pos;
228     ULARGE_INTEGER cur_pos;
229 
230     stream = create_stream(data, data_size);
231     if (!stream)
232         return;
233 
234     hr = IUnknown_QueryInterface(reader, &IID_IWICPersistStream, (void**)&persist);
235     ok(hr == S_OK, "QueryInterface failed, hr=%x\n", hr);
236 
237     if (SUCCEEDED(hr))
238     {
239         hr = IWICPersistStream_LoadEx(persist, stream, NULL, persist_options);
240         ok(hr == S_OK, "LoadEx failed, hr=%x\n", hr);
241 
242         IWICPersistStream_Release(persist);
243     }
244 
245     pos.QuadPart = 0;
246     hr = IStream_Seek(stream, pos, SEEK_CUR, &cur_pos);
247     ok(hr == S_OK, "IStream_Seek error %#x\n", hr);
248     /* IFD metadata reader doesn't rewind the stream to the start */
249     ok(cur_pos.QuadPart == 0 || cur_pos.QuadPart <= data_size,
250        "current stream pos is at %x/%x, data size %x\n", cur_pos.u.LowPart, cur_pos.u.HighPart, data_size);
251 
252     IStream_Release(stream);
253 }
254 
255 static void test_metadata_unknown(void)
256 {
257     HRESULT hr;
258     IWICMetadataReader *reader;
259     IWICEnumMetadataItem *enumerator;
260     IWICMetadataBlockReader *blockreader;
261     PROPVARIANT schema, id, value;
262     ULONG items_returned;
263 
264     hr = CoCreateInstance(&CLSID_WICUnknownMetadataReader, NULL, CLSCTX_INPROC_SERVER,
265         &IID_IWICMetadataReader, (void**)&reader);
266     ok(hr == S_OK, "CoCreateInstance failed, hr=%x\n", hr);
267     if (FAILED(hr)) return;
268 
269     load_stream((IUnknown*)reader, metadata_unknown, sizeof(metadata_unknown), WICPersistOptionDefault);
270 
271     hr = IWICMetadataReader_GetEnumerator(reader, &enumerator);
272     ok(hr == S_OK, "GetEnumerator failed, hr=%x\n", hr);
273 
274     if (SUCCEEDED(hr))
275     {
276         PropVariantInit(&schema);
277         PropVariantInit(&id);
278         PropVariantInit(&value);
279 
280         hr = IWICEnumMetadataItem_Next(enumerator, 1, &schema, &id, &value, &items_returned);
281         ok(hr == S_OK, "Next failed, hr=%x\n", hr);
282         ok(items_returned == 1, "unexpected item count %i\n", items_returned);
283 
284         if (hr == S_OK && items_returned == 1)
285         {
286             ok(schema.vt == VT_EMPTY, "unexpected vt: %i\n", schema.vt);
287             ok(id.vt == VT_EMPTY, "unexpected vt: %i\n", id.vt);
288             expect_blob(value, metadata_unknown, sizeof(metadata_unknown));
289 
290             PropVariantClear(&schema);
291             PropVariantClear(&id);
292             PropVariantClear(&value);
293         }
294 
295         hr = IWICEnumMetadataItem_Next(enumerator, 1, &schema, &id, &value, &items_returned);
296         ok(hr == S_FALSE, "Next failed, hr=%x\n", hr);
297         ok(items_returned == 0, "unexpected item count %i\n", items_returned);
298 
299         IWICEnumMetadataItem_Release(enumerator);
300     }
301 
302     hr = IWICMetadataReader_QueryInterface(reader, &IID_IWICMetadataBlockReader, (void**)&blockreader);
303     ok(hr == E_NOINTERFACE, "QueryInterface failed, hr=%x\n", hr);
304 
305     if (SUCCEEDED(hr))
306         IWICMetadataBlockReader_Release(blockreader);
307 
308     IWICMetadataReader_Release(reader);
309 }
310 
311 static void test_metadata_tEXt(void)
312 {
313     HRESULT hr;
314     IWICMetadataReader *reader;
315     IWICEnumMetadataItem *enumerator;
316     PROPVARIANT schema, id, value;
317     ULONG items_returned, count;
318     GUID format;
319 
320     PropVariantInit(&schema);
321     PropVariantInit(&id);
322     PropVariantInit(&value);
323 
324     hr = CoCreateInstance(&CLSID_WICPngTextMetadataReader, NULL, CLSCTX_INPROC_SERVER,
325         &IID_IWICMetadataReader, (void**)&reader);
326     ok(hr == S_OK, "CoCreateInstance failed, hr=%x\n", hr);
327     if (FAILED(hr)) return;
328 
329     hr = IWICMetadataReader_GetCount(reader, NULL);
330     ok(hr == E_INVALIDARG, "GetCount failed, hr=%x\n", hr);
331 
332     hr = IWICMetadataReader_GetCount(reader, &count);
333     ok(hr == S_OK, "GetCount failed, hr=%x\n", hr);
334     ok(count == 0, "unexpected count %i\n", count);
335 
336     load_stream((IUnknown*)reader, metadata_tEXt, sizeof(metadata_tEXt), WICPersistOptionDefault);
337 
338     hr = IWICMetadataReader_GetCount(reader, &count);
339     ok(hr == S_OK, "GetCount failed, hr=%x\n", hr);
340     ok(count == 1, "unexpected count %i\n", count);
341 
342     hr = IWICMetadataReader_GetEnumerator(reader, NULL);
343     ok(hr == E_INVALIDARG, "GetEnumerator failed, hr=%x\n", hr);
344 
345     hr = IWICMetadataReader_GetEnumerator(reader, &enumerator);
346     ok(hr == S_OK, "GetEnumerator failed, hr=%x\n", hr);
347 
348     if (SUCCEEDED(hr))
349     {
350         hr = IWICEnumMetadataItem_Next(enumerator, 1, &schema, &id, &value, &items_returned);
351         ok(hr == S_OK, "Next failed, hr=%x\n", hr);
352         ok(items_returned == 1, "unexpected item count %i\n", items_returned);
353 
354         if (hr == S_OK && items_returned == 1)
355         {
356             ok(schema.vt == VT_EMPTY, "unexpected vt: %i\n", schema.vt);
357             ok(id.vt == VT_LPSTR, "unexpected vt: %i\n", id.vt);
358             ok(!strcmp(U(id).pszVal, "winetest"), "unexpected id: %s\n", U(id).pszVal);
359             ok(value.vt == VT_LPSTR, "unexpected vt: %i\n", value.vt);
360             ok(!strcmp(U(value).pszVal, "value"), "unexpected value: %s\n", U(value).pszVal);
361 
362             PropVariantClear(&schema);
363             PropVariantClear(&id);
364             PropVariantClear(&value);
365         }
366 
367         hr = IWICEnumMetadataItem_Next(enumerator, 1, &schema, &id, &value, &items_returned);
368         ok(hr == S_FALSE, "Next failed, hr=%x\n", hr);
369         ok(items_returned == 0, "unexpected item count %i\n", items_returned);
370 
371         IWICEnumMetadataItem_Release(enumerator);
372     }
373 
374     hr = IWICMetadataReader_GetMetadataFormat(reader, &format);
375     ok(hr == S_OK, "GetMetadataFormat failed, hr=%x\n", hr);
376     ok(IsEqualGUID(&format, &GUID_MetadataFormatChunktEXt), "unexpected format %s\n", wine_dbgstr_guid(&format));
377 
378     hr = IWICMetadataReader_GetMetadataFormat(reader, NULL);
379     ok(hr == E_INVALIDARG, "GetMetadataFormat failed, hr=%x\n", hr);
380 
381     id.vt = VT_LPSTR;
382     U(id).pszVal = CoTaskMemAlloc(strlen("winetest") + 1);
383     strcpy(U(id).pszVal, "winetest");
384 
385     hr = IWICMetadataReader_GetValue(reader, NULL, &id, NULL);
386     ok(hr == S_OK, "GetValue failed, hr=%x\n", hr);
387 
388     hr = IWICMetadataReader_GetValue(reader, &schema, NULL, &value);
389     ok(hr == E_INVALIDARG, "GetValue failed, hr=%x\n", hr);
390 
391     hr = IWICMetadataReader_GetValue(reader, &schema, &id, &value);
392     ok(hr == S_OK, "GetValue failed, hr=%x\n", hr);
393     ok(value.vt == VT_LPSTR, "unexpected vt: %i\n", id.vt);
394     ok(!strcmp(U(value).pszVal, "value"), "unexpected value: %s\n", U(value).pszVal);
395     PropVariantClear(&value);
396 
397     strcpy(U(id).pszVal, "test");
398 
399     hr = IWICMetadataReader_GetValue(reader, &schema, &id, &value);
400     ok(hr == WINCODEC_ERR_PROPERTYNOTFOUND, "GetValue failed, hr=%x\n", hr);
401 
402     PropVariantClear(&id);
403 
404     hr = IWICMetadataReader_GetValueByIndex(reader, 0, NULL, NULL, NULL);
405     ok(hr == S_OK, "GetValueByIndex failed, hr=%x\n", hr);
406 
407     hr = IWICMetadataReader_GetValueByIndex(reader, 0, &schema, NULL, NULL);
408     ok(hr == S_OK, "GetValueByIndex failed, hr=%x\n", hr);
409     ok(schema.vt == VT_EMPTY, "unexpected vt: %i\n", schema.vt);
410 
411     hr = IWICMetadataReader_GetValueByIndex(reader, 0, NULL, &id, NULL);
412     ok(hr == S_OK, "GetValueByIndex failed, hr=%x\n", hr);
413     ok(id.vt == VT_LPSTR, "unexpected vt: %i\n", id.vt);
414     ok(!strcmp(U(id).pszVal, "winetest"), "unexpected id: %s\n", U(id).pszVal);
415     PropVariantClear(&id);
416 
417     hr = IWICMetadataReader_GetValueByIndex(reader, 0, NULL, NULL, &value);
418     ok(hr == S_OK, "GetValueByIndex failed, hr=%x\n", hr);
419     ok(value.vt == VT_LPSTR, "unexpected vt: %i\n", value.vt);
420     ok(!strcmp(U(value).pszVal, "value"), "unexpected value: %s\n", U(value).pszVal);
421     PropVariantClear(&value);
422 
423     hr = IWICMetadataReader_GetValueByIndex(reader, 1, NULL, NULL, NULL);
424     ok(hr == E_INVALIDARG, "GetValueByIndex failed, hr=%x\n", hr);
425 
426     IWICMetadataReader_Release(reader);
427 }
428 
429 static void test_metadata_gAMA(void)
430 {
431     HRESULT hr;
432     IWICMetadataReader *reader;
433     PROPVARIANT schema, id, value;
434     ULONG count;
435     GUID format;
436     static const WCHAR ImageGamma[] = {'I','m','a','g','e','G','a','m','m','a',0};
437 
438     PropVariantInit(&schema);
439     PropVariantInit(&id);
440     PropVariantInit(&value);
441 
442     hr = CoCreateInstance(&CLSID_WICPngGamaMetadataReader, NULL, CLSCTX_INPROC_SERVER,
443         &IID_IWICMetadataReader, (void**)&reader);
444     ok(hr == S_OK || broken(hr == REGDB_E_CLASSNOTREG) /*winxp*/, "CoCreateInstance failed, hr=%x\n", hr);
445     if (FAILED(hr)) return;
446 
447     load_stream((IUnknown*)reader, metadata_gAMA, sizeof(metadata_gAMA), WICPersistOptionDefault);
448 
449     hr = IWICMetadataReader_GetMetadataFormat(reader, &format);
450     ok(hr == S_OK, "GetMetadataFormat failed, hr=%x\n", hr);
451     ok(IsEqualGUID(&format, &GUID_MetadataFormatChunkgAMA), "unexpected format %s\n", wine_dbgstr_guid(&format));
452 
453     hr = IWICMetadataReader_GetCount(reader, &count);
454     ok(hr == S_OK, "GetCount failed, hr=%x\n", hr);
455     ok(count == 1, "unexpected count %i\n", count);
456 
457     hr = IWICMetadataReader_GetValueByIndex(reader, 0, &schema, &id, &value);
458     ok(hr == S_OK, "GetValue failed, hr=%x\n", hr);
459 
460     ok(schema.vt == VT_EMPTY, "unexpected vt: %i\n", schema.vt);
461     PropVariantClear(&schema);
462 
463     ok(id.vt == VT_LPWSTR, "unexpected vt: %i\n", id.vt);
464     ok(!lstrcmpW(U(id).pwszVal, ImageGamma), "unexpected value: %s\n", wine_dbgstr_w(U(id).pwszVal));
465     PropVariantClear(&id);
466 
467     ok(value.vt == VT_UI4, "unexpected vt: %i\n", value.vt);
468     ok(U(value).ulVal == 33333, "unexpected value: %u\n", U(value).ulVal);
469     PropVariantClear(&value);
470 
471     IWICMetadataReader_Release(reader);
472 }
473 
474 static void test_metadata_cHRM(void)
475 {
476     HRESULT hr;
477     IWICMetadataReader *reader;
478     PROPVARIANT schema, id, value;
479     ULONG count;
480     GUID format;
481     int i;
482     static const WCHAR expected_names[8][12] = {
483         {'W','h','i','t','e','P','o','i','n','t','X',0},
484         {'W','h','i','t','e','P','o','i','n','t','Y',0},
485         {'R','e','d','X',0},
486         {'R','e','d','Y',0},
487         {'G','r','e','e','n','X',0},
488         {'G','r','e','e','n','Y',0},
489         {'B','l','u','e','X',0},
490         {'B','l','u','e','Y',0},
491     };
492     static const ULONG expected_vals[8] = {
493         31270,32900, 64000,33000, 30000,60000, 15000,6000
494     };
495 
496     PropVariantInit(&schema);
497     PropVariantInit(&id);
498     PropVariantInit(&value);
499 
500     hr = CoCreateInstance(&CLSID_WICPngChrmMetadataReader, NULL, CLSCTX_INPROC_SERVER,
501         &IID_IWICMetadataReader, (void**)&reader);
502     ok(hr == S_OK || broken(hr == REGDB_E_CLASSNOTREG) /*winxp*/, "CoCreateInstance failed, hr=%x\n", hr);
503     if (FAILED(hr)) return;
504 
505     load_stream((IUnknown*)reader, metadata_cHRM, sizeof(metadata_cHRM), WICPersistOptionDefault);
506 
507     hr = IWICMetadataReader_GetMetadataFormat(reader, &format);
508     ok(hr == S_OK, "GetMetadataFormat failed, hr=%x\n", hr);
509     ok(IsEqualGUID(&format, &GUID_MetadataFormatChunkcHRM), "unexpected format %s\n", wine_dbgstr_guid(&format));
510 
511     hr = IWICMetadataReader_GetCount(reader, &count);
512     ok(hr == S_OK, "GetCount failed, hr=%x\n", hr);
513     ok(count == 8, "unexpected count %i\n", count);
514 
515     for (i=0; i<8; i++)
516     {
517         hr = IWICMetadataReader_GetValueByIndex(reader, i, &schema, &id, &value);
518         ok(hr == S_OK, "GetValue failed, hr=%x\n", hr);
519 
520         ok(schema.vt == VT_EMPTY, "unexpected vt: %i\n", schema.vt);
521         PropVariantClear(&schema);
522 
523         ok(id.vt == VT_LPWSTR, "unexpected vt: %i\n", id.vt);
524         ok(!lstrcmpW(U(id).pwszVal, expected_names[i]), "got %s, expected %s\n", wine_dbgstr_w(U(id).pwszVal), wine_dbgstr_w(expected_names[i]));
525         PropVariantClear(&id);
526 
527         ok(value.vt == VT_UI4, "unexpected vt: %i\n", value.vt);
528         ok(U(value).ulVal == expected_vals[i], "got %u, expected %u\n", U(value).ulVal, expected_vals[i]);
529         PropVariantClear(&value);
530     }
531 
532     IWICMetadataReader_Release(reader);
533 }
534 
535 static inline USHORT ushort_bswap(USHORT s)
536 {
537     return (s >> 8) | (s << 8);
538 }
539 
540 static inline ULONG ulong_bswap(ULONG l)
541 {
542     return ((ULONG)ushort_bswap((USHORT)l) << 16) | ushort_bswap((USHORT)(l >> 16));
543 }
544 
545 static inline ULONGLONG ulonglong_bswap(ULONGLONG ll)
546 {
547     return ((ULONGLONG)ulong_bswap((ULONG)ll) << 32) | ulong_bswap((ULONG)(ll >> 32));
548 }
549 
550 static void byte_swap_ifd_data(char *data)
551 {
552     USHORT number_of_entries, i;
553     struct IFD_entry *entry;
554     char *data_start = data;
555 
556     number_of_entries = *(USHORT *)data;
557     *(USHORT *)data = ushort_bswap(*(USHORT *)data);
558     data += sizeof(USHORT);
559 
560     for (i = 0; i < number_of_entries; i++)
561     {
562         entry = (struct IFD_entry *)data;
563 
564         switch (entry->type)
565         {
566         case IFD_BYTE:
567         case IFD_SBYTE:
568         case IFD_ASCII:
569         case IFD_UNDEFINED:
570             if (entry->count > 4)
571                 entry->value = ulong_bswap(entry->value);
572             break;
573 
574         case IFD_SHORT:
575         case IFD_SSHORT:
576             if (entry->count > 2)
577             {
578                 ULONG j, count = entry->count;
579                 USHORT *us = (USHORT *)(data_start + entry->value);
580                 if (!count) count = 1;
581                 for (j = 0; j < count; j++)
582                     us[j] = ushort_bswap(us[j]);
583 
584                 entry->value = ulong_bswap(entry->value);
585             }
586             else
587             {
588                 ULONG j, count = entry->count;
589                 USHORT *us = (USHORT *)&entry->value;
590                 if (!count) count = 1;
591                 for (j = 0; j < count; j++)
592                     us[j] = ushort_bswap(us[j]);
593             }
594             break;
595 
596         case IFD_LONG:
597         case IFD_SLONG:
598         case IFD_FLOAT:
599             if (entry->count > 1)
600             {
601                 ULONG j, count = entry->count;
602                 ULONG *ul = (ULONG *)(data_start + entry->value);
603                 if (!count) count = 1;
604                 for (j = 0; j < count; j++)
605                     ul[j] = ulong_bswap(ul[j]);
606             }
607             entry->value = ulong_bswap(entry->value);
608             break;
609 
610         case IFD_RATIONAL:
611         case IFD_SRATIONAL:
612             {
613                 ULONG j;
614                 ULONG *ul = (ULONG *)(data_start + entry->value);
615                 for (j = 0; j < entry->count * 2; j++)
616                     ul[j] = ulong_bswap(ul[j]);
617             }
618             entry->value = ulong_bswap(entry->value);
619             break;
620 
621         case IFD_DOUBLE:
622             {
623                 ULONG j;
624                 ULONGLONG *ull = (ULONGLONG *)(data_start + entry->value);
625                 for (j = 0; j < entry->count; j++)
626                     ull[j] = ulonglong_bswap(ull[j]);
627             }
628             entry->value = ulong_bswap(entry->value);
629             break;
630 
631         default:
632             assert(0);
633             break;
634         }
635 
636         entry->id = ushort_bswap(entry->id);
637         entry->type = ushort_bswap(entry->type);
638         entry->count = ulong_bswap(entry->count);
639         data += sizeof(*entry);
640     }
641 }
642 
643 struct test_data
644 {
645     ULONG type, id;
646     int count; /* if VT_VECTOR */
647     LONGLONG value[13];
648     const char *string;
649     const WCHAR id_string[32];
650 };
651 
652 static void compare_metadata(IWICMetadataReader *reader, const struct test_data *td, ULONG count)
653 {
654     HRESULT hr;
655     IWICEnumMetadataItem *enumerator;
656     PROPVARIANT schema, id, value;
657     ULONG items_returned, i;
658 
659     hr = IWICMetadataReader_GetEnumerator(reader, NULL);
660     ok(hr == E_INVALIDARG, "GetEnumerator error %#x\n", hr);
661 
662     hr = IWICMetadataReader_GetEnumerator(reader, &enumerator);
663     ok(hr == S_OK, "GetEnumerator error %#x\n", hr);
664 
665     PropVariantInit(&schema);
666     PropVariantInit(&id);
667     PropVariantInit(&value);
668 
669     for (i = 0; i < count; i++)
670     {
671         hr = IWICEnumMetadataItem_Next(enumerator, 1, &schema, &id, &value, &items_returned);
672         ok(hr == S_OK, "Next error %#x\n", hr);
673         ok(items_returned == 1, "unexpected item count %u\n", items_returned);
674 
675         ok(schema.vt == VT_EMPTY, "%u: unexpected vt: %u\n", i, schema.vt);
676         ok(id.vt == VT_UI2 || id.vt == VT_LPWSTR || id.vt == VT_EMPTY, "%u: unexpected vt: %u\n", i, id.vt);
677         if (id.vt == VT_UI2)
678             ok(U(id).uiVal == td[i].id, "%u: expected id %#x, got %#x\n", i, td[i].id, U(id).uiVal);
679         else if (id.vt == VT_LPWSTR)
680             ok(!lstrcmpW(td[i].id_string, U(id).pwszVal),
681                "%u: expected %s, got %s\n", i, wine_dbgstr_w(td[i].id_string), wine_dbgstr_w(U(id).pwszVal));
682 
683         ok(value.vt == td[i].type, "%u: expected vt %#x, got %#x\n", i, td[i].type, value.vt);
684         if (value.vt & VT_VECTOR)
685         {
686             ULONG j;
687             switch (value.vt & ~VT_VECTOR)
688             {
689             case VT_I1:
690             case VT_UI1:
691                 ok(td[i].count == U(value).caub.cElems, "%u: expected cElems %d, got %d\n", i, td[i].count, U(value).caub.cElems);
692                 for (j = 0; j < U(value).caub.cElems; j++)
693                     ok(td[i].value[j] == U(value).caub.pElems[j], "%u: expected value[%d] %#x/%#x, got %#x\n", i, j, (ULONG)td[i].value[j], (ULONG)(td[i].value[j] >> 32), U(value).caub.pElems[j]);
694                 break;
695             case VT_I2:
696             case VT_UI2:
697                 ok(td[i].count == U(value).caui.cElems, "%u: expected cElems %d, got %d\n", i, td[i].count, U(value).caui.cElems);
698                 for (j = 0; j < U(value).caui.cElems; j++)
699                     ok(td[i].value[j] == U(value).caui.pElems[j], "%u: expected value[%d] %#x/%#x, got %#x\n", i, j, (ULONG)td[i].value[j], (ULONG)(td[i].value[j] >> 32), U(value).caui.pElems[j]);
700                 break;
701             case VT_I4:
702             case VT_UI4:
703             case VT_R4:
704                 ok(td[i].count == U(value).caul.cElems, "%u: expected cElems %d, got %d\n", i, td[i].count, U(value).caul.cElems);
705                 for (j = 0; j < U(value).caul.cElems; j++)
706                     ok(td[i].value[j] == U(value).caul.pElems[j], "%u: expected value[%d] %#x/%#x, got %#x\n", i, j, (ULONG)td[i].value[j], (ULONG)(td[i].value[j] >> 32), U(value).caul.pElems[j]);
707                 break;
708             case VT_I8:
709             case VT_UI8:
710             case VT_R8:
711                 ok(td[i].count == U(value).cauh.cElems, "%u: expected cElems %d, got %d\n", i, td[i].count, U(value).cauh.cElems);
712                 for (j = 0; j < U(value).cauh.cElems; j++)
713                     ok(td[i].value[j] == U(value).cauh.pElems[j].QuadPart, "%u: expected value[%d] %08x/%08x, got %08x/%08x\n", i, j, (ULONG)td[i].value[j], (ULONG)(td[i].value[j] >> 32), U(value).cauh.pElems[j].u.LowPart, U(value).cauh.pElems[j].u.HighPart);
714                 break;
715             case VT_LPSTR:
716                 ok(td[i].count == U(value).calpstr.cElems, "%u: expected cElems %d, got %d\n", i, td[i].count, U(value).caub.cElems);
717                 for (j = 0; j < U(value).calpstr.cElems; j++)
718                     trace("%u: %s\n", j, U(value).calpstr.pElems[j]);
719                 /* fall through to not handled message */
720             default:
721                 ok(0, "%u: array of type %d is not handled\n", i, value.vt & ~VT_VECTOR);
722                 break;
723             }
724         }
725         else if (value.vt == VT_LPSTR)
726         {
727             ok(td[i].count == strlen(U(value).pszVal) ||
728                broken(td[i].count == strlen(U(value).pszVal) + 1), /* before Win7 */
729                "%u: expected count %d, got %d\n", i, td[i].count, lstrlenA(U(value).pszVal));
730             if (td[i].count == strlen(U(value).pszVal))
731                 ok(!strcmp(td[i].string, U(value).pszVal),
732                    "%u: expected %s, got %s\n", i, td[i].string, U(value).pszVal);
733         }
734         else if (value.vt == VT_BLOB)
735         {
736             ok(td[i].count == U(value).blob.cbSize, "%u: expected count %d, got %d\n", i, td[i].count, U(value).blob.cbSize);
737             ok(!memcmp(td[i].string, U(value).blob.pBlobData, td[i].count), "%u: expected %s, got %s\n", i, td[i].string, U(value).blob.pBlobData);
738         }
739         else
740             ok(U(value).uhVal.QuadPart == td[i].value[0], "%u: expected value %#x/%#x got %#x/%#x\n",
741                i, (UINT)td[i].value[0], (UINT)(td[i].value[0] >> 32), U(value).uhVal.u.LowPart, U(value).uhVal.u.HighPart);
742 
743         PropVariantClear(&schema);
744         PropVariantClear(&id);
745         PropVariantClear(&value);
746     }
747 
748     hr = IWICEnumMetadataItem_Next(enumerator, 1, &schema, &id, &value, &items_returned);
749     ok(hr == S_FALSE, "Next should fail\n");
750     ok(items_returned == 0, "unexpected item count %u\n", items_returned);
751 
752     IWICEnumMetadataItem_Release(enumerator);
753 }
754 
755 static void test_metadata_IFD(void)
756 {
757     static const struct test_data td[28] =
758     {
759         { VT_UI2, 0xfe, 0, { 1 } },
760         { VT_UI4, 0x100, 0, { 222 } },
761         { VT_UI4, 0x101, 0, { 333 } },
762         { VT_UI2, 0x102, 0, { 24 } },
763         { VT_UI4, 0x103, 0, { 32773 } },
764         { VT_UI8, 0x11a, 0, { ((LONGLONG)3 << 32) | 900 } },
765         { VT_UI1, 0xf001, 0, { 0x44 } },
766         { VT_UI1|VT_VECTOR, 0xf002, 4, { 0x44, 0x33, 0x22, 0x11 } },
767         { VT_I1, 0xf003, 0, { 0x44 } },
768         { VT_I2, 0xf004, 0, { 0x3344 } },
769         { VT_I2|VT_VECTOR, 0xf005, 2, { 0x3344, 0x1122 } },
770         { VT_I4, 0xf006, 0, { 0x11223344 } },
771         { VT_R4, 0xf007, 0, { 0x11223344 } },
772         { VT_R8, 0xf008, 0, { ((LONGLONG)0x41d26580 << 32) | 0xb486522c } },
773         { VT_I8, 0xf009, 0, { ((LONGLONG)0x5a6b7c8d << 32) | 0x1a2b3c4d } },
774         { VT_UI1|VT_VECTOR, 0xf00a, 13, { 'H','e','l','l','o',' ','W','o','r','l','d','!',0 } },
775         { VT_I2|VT_VECTOR, 0xf00b, 4, { 0x0101, 0x0202, 0x0303, 0x0404 } },
776         { VT_I4|VT_VECTOR, 0xf00c, 2, { 0x11223344, 0x55667788 } },
777         { VT_R4|VT_VECTOR, 0xf00d, 2, { 0x449a522b, 0x4608f5ba } },
778         { VT_LPSTR, 0xf00e, 12, { 0 }, "Hello World!" },
779         { VT_LPSTR, 0xf00f, 4, { 0 }, "abcd" },
780         { VT_BLOB, 0xf010, 13, { 0 }, "Hello World!" },
781         { VT_BLOB, 0xf011, 4, { 0 }, "abcd" },
782         { VT_UI1, 0xf012, 0, { 0x44 } },
783         { VT_UI2, 0xf013, 0, { 0x3344 } },
784         { VT_UI4, 0xf014, 0, { 0x11223344 } },
785         { VT_R4, 0xf015, 0, { 0x11223344 } },
786         { VT_I8|VT_VECTOR, 0xf016, 3,
787           { ((LONGLONG)0x05060708 << 32) | 0x01020304,
788             ((LONGLONG)0x50607080 << 32) | 0x10203040,
789             ((LONGLONG)0x55667788 << 32) | 0x11223344 } },
790     };
791     HRESULT hr;
792     IWICMetadataReader *reader;
793     IWICMetadataBlockReader *blockreader;
794     PROPVARIANT schema, id, value;
795     ULONG count;
796     GUID format;
797     char *IFD_data_swapped;
798 #ifdef WORDS_BIGENDIAN
799     DWORD persist_options = WICPersistOptionBigEndian;
800 #else
801     DWORD persist_options = WICPersistOptionLittleEndian;
802 #endif
803 
804     hr = CoCreateInstance(&CLSID_WICIfdMetadataReader, NULL, CLSCTX_INPROC_SERVER,
805         &IID_IWICMetadataReader, (void**)&reader);
806     ok(hr == S_OK, "CoCreateInstance error %#x\n", hr);
807 
808     hr = IWICMetadataReader_GetCount(reader, NULL);
809     ok(hr == E_INVALIDARG, "GetCount error %#x\n", hr);
810 
811     hr = IWICMetadataReader_GetCount(reader, &count);
812     ok(hr == S_OK, "GetCount error %#x\n", hr);
813     ok(count == 0, "unexpected count %u\n", count);
814 
815     load_stream((IUnknown*)reader, (const char *)&IFD_data, sizeof(IFD_data), persist_options);
816 
817     hr = IWICMetadataReader_GetCount(reader, &count);
818     ok(hr == S_OK, "GetCount error %#x\n", hr);
819     ok(count == sizeof(td)/sizeof(td[0]), "unexpected count %u\n", count);
820 
821     compare_metadata(reader, td, count);
822 
823     /* test IFD data with different endianness */
824     if (persist_options == WICPersistOptionLittleEndian)
825         persist_options = WICPersistOptionBigEndian;
826     else
827         persist_options = WICPersistOptionLittleEndian;
828 
829     IFD_data_swapped = HeapAlloc(GetProcessHeap(), 0, sizeof(IFD_data));
830     memcpy(IFD_data_swapped, &IFD_data, sizeof(IFD_data));
831     byte_swap_ifd_data(IFD_data_swapped);
832     load_stream((IUnknown *)reader, IFD_data_swapped, sizeof(IFD_data), persist_options);
833     hr = IWICMetadataReader_GetCount(reader, &count);
834     ok(hr == S_OK, "GetCount error %#x\n", hr);
835     ok(count == sizeof(td)/sizeof(td[0]), "unexpected count %u\n", count);
836     compare_metadata(reader, td, count);
837     HeapFree(GetProcessHeap(), 0, IFD_data_swapped);
838 
839     hr = IWICMetadataReader_GetMetadataFormat(reader, &format);
840     ok(hr == S_OK, "GetMetadataFormat error %#x\n", hr);
841     ok(IsEqualGUID(&format, &GUID_MetadataFormatIfd), "unexpected format %s\n", wine_dbgstr_guid(&format));
842 
843     hr = IWICMetadataReader_GetMetadataFormat(reader, NULL);
844     ok(hr == E_INVALIDARG, "GetMetadataFormat should fail\n");
845 
846     hr = IWICMetadataReader_GetValueByIndex(reader, 0, NULL, NULL, NULL);
847     ok(hr == S_OK, "GetValueByIndex error %#x\n", hr);
848 
849     PropVariantInit(&schema);
850     PropVariantInit(&id);
851     PropVariantInit(&value);
852 
853     hr = IWICMetadataReader_GetValueByIndex(reader, count - 1, NULL, NULL, NULL);
854     ok(hr == S_OK, "GetValueByIndex error %#x\n", hr);
855 
856     hr = IWICMetadataReader_GetValueByIndex(reader, 0, &schema, NULL, NULL);
857     ok(hr == S_OK, "GetValueByIndex error %#x\n", hr);
858     ok(schema.vt == VT_EMPTY, "unexpected vt: %u\n", schema.vt);
859 
860     hr = IWICMetadataReader_GetValueByIndex(reader, count - 1, &schema, NULL, NULL);
861     ok(hr == S_OK, "GetValueByIndex error %#x\n", hr);
862     ok(schema.vt == VT_EMPTY, "unexpected vt: %u\n", schema.vt);
863 
864     hr = IWICMetadataReader_GetValueByIndex(reader, 0, NULL, &id, NULL);
865     ok(hr == S_OK, "GetValueByIndex error %#x\n", hr);
866     ok(id.vt == VT_UI2, "unexpected vt: %u\n", id.vt);
867     ok(U(id).uiVal == 0xfe, "unexpected id: %#x\n", U(id).uiVal);
868     PropVariantClear(&id);
869 
870     hr = IWICMetadataReader_GetValueByIndex(reader, 0, NULL, NULL, &value);
871     ok(hr == S_OK, "GetValueByIndex error %#x\n", hr);
872     ok(value.vt == VT_UI2, "unexpected vt: %u\n", value.vt);
873     ok(U(value).uiVal == 1, "unexpected id: %#x\n", U(value).uiVal);
874     PropVariantClear(&value);
875 
876     hr = IWICMetadataReader_GetValueByIndex(reader, count, &schema, NULL, NULL);
877     ok(hr == E_INVALIDARG, "expected E_INVALIDARG, got %#x\n", hr);
878 
879     PropVariantInit(&schema);
880     PropVariantInit(&id);
881     PropVariantInit(&value);
882 
883     hr = IWICMetadataReader_GetValue(reader, &schema, &id, &value);
884     ok(hr == WINCODEC_ERR_PROPERTYNOTFOUND, "expected WINCODEC_ERR_PROPERTYNOTFOUND, got %#x\n", hr);
885 
886     hr = IWICMetadataReader_GetValue(reader, NULL, &id, NULL);
887     ok(hr == WINCODEC_ERR_PROPERTYNOTFOUND, "expected WINCODEC_ERR_PROPERTYNOTFOUND, got %#x\n", hr);
888 
889     hr = IWICMetadataReader_GetValue(reader, &schema, NULL, NULL);
890     ok(hr == E_INVALIDARG, "expected E_INVALIDARG, got %#x\n", hr);
891 
892     hr = IWICMetadataReader_GetValue(reader, &schema, &id, NULL);
893     ok(hr == WINCODEC_ERR_PROPERTYNOTFOUND, "expected WINCODEC_ERR_PROPERTYNOTFOUND, got %#x\n", hr);
894 
895     hr = IWICMetadataReader_GetValue(reader, &schema, NULL, &value);
896     ok(hr == E_INVALIDARG, "expected E_INVALIDARG, got %#x\n", hr);
897 
898     id.vt = VT_UI2;
899     U(id).uiVal = 0xf00e;
900     hr = IWICMetadataReader_GetValue(reader, NULL, &id, NULL);
901     ok(hr == S_OK, "GetValue error %#x\n", hr);
902 
903     /* schema is ignored by Ifd metadata reader */
904     schema.vt = VT_UI4;
905     U(schema).ulVal = 0xdeadbeef;
906     hr = IWICMetadataReader_GetValue(reader, &schema, &id, &value);
907     ok(hr == S_OK, "GetValue error %#x\n", hr);
908     ok(value.vt == VT_LPSTR, "unexpected vt: %i\n", id.vt);
909     ok(!strcmp(U(value).pszVal, "Hello World!"), "unexpected value: %s\n", U(value).pszVal);
910     PropVariantClear(&value);
911 
912     hr = IWICMetadataReader_GetValue(reader, NULL, &id, &value);
913     ok(hr == S_OK, "GetValue error %#x\n", hr);
914     ok(value.vt == VT_LPSTR, "unexpected vt: %i\n", id.vt);
915     ok(!strcmp(U(value).pszVal, "Hello World!"), "unexpected value: %s\n", U(value).pszVal);
916     PropVariantClear(&value);
917 
918     hr = IWICMetadataReader_QueryInterface(reader, &IID_IWICMetadataBlockReader, (void**)&blockreader);
919     ok(hr == E_NOINTERFACE, "QueryInterface failed, hr=%x\n", hr);
920 
921     if (SUCCEEDED(hr))
922         IWICMetadataBlockReader_Release(blockreader);
923 
924     IWICMetadataReader_Release(reader);
925 }
926 
927 static void test_metadata_Exif(void)
928 {
929     HRESULT hr;
930     IWICMetadataReader *reader;
931     IWICMetadataBlockReader *blockreader;
932     UINT count=0;
933 
934     hr = CoCreateInstance(&CLSID_WICExifMetadataReader, NULL, CLSCTX_INPROC_SERVER,
935         &IID_IWICMetadataReader, (void**)&reader);
936     todo_wine ok(hr == S_OK, "CoCreateInstance error %#x\n", hr);
937     if (FAILED(hr)) return;
938 
939     hr = IWICMetadataReader_GetCount(reader, NULL);
940     ok(hr == E_INVALIDARG, "GetCount error %#x\n", hr);
941 
942     hr = IWICMetadataReader_GetCount(reader, &count);
943     ok(hr == S_OK, "GetCount error %#x\n", hr);
944     ok(count == 0, "unexpected count %u\n", count);
945 
946     hr = IWICMetadataReader_QueryInterface(reader, &IID_IWICMetadataBlockReader, (void**)&blockreader);
947     ok(hr == E_NOINTERFACE, "QueryInterface failed, hr=%x\n", hr);
948 
949     if (SUCCEEDED(hr))
950         IWICMetadataBlockReader_Release(blockreader);
951 
952     IWICMetadataReader_Release(reader);
953 }
954 
955 static void test_create_reader(void)
956 {
957     HRESULT hr;
958     IWICComponentFactory *factory;
959     IStream *stream;
960     IWICMetadataReader *reader;
961     UINT count=0;
962     GUID format;
963 
964     hr = CoCreateInstance(&CLSID_WICImagingFactory, NULL, CLSCTX_INPROC_SERVER,
965         &IID_IWICComponentFactory, (void**)&factory);
966     ok(hr == S_OK, "CoCreateInstance failed, hr=%x\n", hr);
967 
968     stream = create_stream(metadata_tEXt, sizeof(metadata_tEXt));
969 
970     hr = IWICComponentFactory_CreateMetadataReaderFromContainer(factory,
971         NULL, NULL, WICPersistOptionDefault,
972         stream, &reader);
973     ok(hr == E_INVALIDARG, "CreateMetadataReaderFromContainer failed, hr=%x\n", hr);
974 
975     hr = IWICComponentFactory_CreateMetadataReaderFromContainer(factory,
976         &GUID_ContainerFormatPng, NULL, WICPersistOptionDefault,
977         NULL, &reader);
978     ok(hr == E_INVALIDARG, "CreateMetadataReaderFromContainer failed, hr=%x\n", hr);
979 
980     hr = IWICComponentFactory_CreateMetadataReaderFromContainer(factory,
981         &GUID_ContainerFormatPng, NULL, WICPersistOptionDefault,
982         stream, NULL);
983     ok(hr == E_INVALIDARG, "CreateMetadataReaderFromContainer failed, hr=%x\n", hr);
984 
985     hr = IWICComponentFactory_CreateMetadataReaderFromContainer(factory,
986         &GUID_ContainerFormatPng, NULL, WICPersistOptionDefault,
987         stream, &reader);
988     ok(hr == S_OK, "CreateMetadataReaderFromContainer failed, hr=%x\n", hr);
989 
990     if (SUCCEEDED(hr))
991     {
992         hr = IWICMetadataReader_GetCount(reader, &count);
993         ok(hr == S_OK, "GetCount failed, hr=%x\n", hr);
994         ok(count == 1, "unexpected count %i\n", count);
995 
996         hr = IWICMetadataReader_GetMetadataFormat(reader, &format);
997         ok(hr == S_OK, "GetMetadataFormat failed, hr=%x\n", hr);
998         ok(IsEqualGUID(&format, &GUID_MetadataFormatChunktEXt), "unexpected format %s\n", wine_dbgstr_guid(&format));
999 
1000         IWICMetadataReader_Release(reader);
1001     }
1002 
1003     hr = IWICComponentFactory_CreateMetadataReaderFromContainer(factory,
1004         &GUID_ContainerFormatWmp, NULL, WICPersistOptionDefault,
1005         stream, &reader);
1006     ok(hr == S_OK, "CreateMetadataReaderFromContainer failed, hr=%x\n", hr);
1007 
1008     if (SUCCEEDED(hr))
1009     {
1010         hr = IWICMetadataReader_GetCount(reader, &count);
1011         ok(hr == S_OK, "GetCount failed, hr=%x\n", hr);
1012         ok(count == 1, "unexpected count %i\n", count);
1013 
1014         hr = IWICMetadataReader_GetMetadataFormat(reader, &format);
1015         ok(hr == S_OK, "GetMetadataFormat failed, hr=%x\n", hr);
1016         ok(IsEqualGUID(&format, &GUID_MetadataFormatUnknown), "unexpected format %s\n", wine_dbgstr_guid(&format));
1017 
1018         IWICMetadataReader_Release(reader);
1019     }
1020 
1021     IStream_Release(stream);
1022 
1023     IWICComponentFactory_Release(factory);
1024 }
1025 
1026 static void test_metadata_png(void)
1027 {
1028     static const struct test_data td[6] =
1029     {
1030         { VT_UI2, 0, 0, { 2005 }, NULL, { 'Y','e','a','r',0 } },
1031         { VT_UI1, 0, 0, { 6 }, NULL, { 'M','o','n','t','h',0 } },
1032         { VT_UI1, 0, 0, { 3 }, NULL, { 'D','a','y',0 } },
1033         { VT_UI1, 0, 0, { 15 }, NULL, { 'H','o','u','r',0 } },
1034         { VT_UI1, 0, 0, { 7 }, NULL, { 'M','i','n','u','t','e',0 } },
1035         { VT_UI1, 0, 0, { 45 }, NULL, { 'S','e','c','o','n','d',0 } }
1036     };
1037     IStream *stream;
1038     IWICBitmapDecoder *decoder;
1039     IWICBitmapFrameDecode *frame;
1040     IWICMetadataBlockReader *blockreader;
1041     IWICMetadataReader *reader;
1042     IWICMetadataQueryReader *queryreader;
1043     IWICComponentFactory *factory;
1044     GUID containerformat;
1045     HRESULT hr;
1046     UINT count=0xdeadbeef;
1047 
1048     hr = CoCreateInstance(&CLSID_WICPngDecoder, NULL, CLSCTX_INPROC_SERVER,
1049         &IID_IWICBitmapDecoder, (void**)&decoder);
1050     ok(hr == S_OK, "CoCreateInstance failed, hr=%x\n", hr);
1051 
1052     if (FAILED(hr)) return;
1053 
1054     stream = create_stream(pngimage, sizeof(pngimage));
1055 
1056     hr = IWICBitmapDecoder_Initialize(decoder, stream, WICDecodeMetadataCacheOnLoad);
1057     ok(hr == S_OK, "Initialize failed, hr=%x\n", hr);
1058 
1059     hr = IWICBitmapDecoder_QueryInterface(decoder, &IID_IWICMetadataBlockReader, (void**)&blockreader);
1060     ok(hr == E_NOINTERFACE, "QueryInterface failed, hr=%x\n", hr);
1061 
1062     hr = IWICBitmapDecoder_GetFrame(decoder, 0, &frame);
1063     ok(hr == S_OK, "GetFrame failed, hr=%x\n", hr);
1064 
1065     hr = IWICBitmapFrameDecode_QueryInterface(frame, &IID_IWICMetadataBlockReader, (void**)&blockreader);
1066     ok(hr == S_OK, "QueryInterface failed, hr=%x\n", hr);
1067 
1068     if (SUCCEEDED(hr))
1069     {
1070         hr = IWICMetadataBlockReader_GetContainerFormat(blockreader, NULL);
1071         ok(hr == E_INVALIDARG, "GetContainerFormat failed, hr=%x\n", hr);
1072 
1073         hr = IWICMetadataBlockReader_GetContainerFormat(blockreader, &containerformat);
1074         ok(hr == S_OK, "GetContainerFormat failed, hr=%x\n", hr);
1075         ok(IsEqualGUID(&containerformat, &GUID_ContainerFormatPng), "unexpected container format\n");
1076 
1077         hr = IWICMetadataBlockReader_GetCount(blockreader, NULL);
1078         ok(hr == E_INVALIDARG, "GetCount failed, hr=%x\n", hr);
1079 
1080         hr = IWICMetadataBlockReader_GetCount(blockreader, &count);
1081         ok(hr == S_OK, "GetCount failed, hr=%x\n", hr);
1082         ok(count == 1, "unexpected count %d\n", count);
1083 
1084         if (0)
1085         {
1086             /* Crashes on Windows XP */
1087             hr = IWICMetadataBlockReader_GetReaderByIndex(blockreader, 0, NULL);
1088             ok(hr == E_INVALIDARG, "GetReaderByIndex failed, hr=%x\n", hr);
1089         }
1090 
1091         hr = IWICMetadataBlockReader_GetReaderByIndex(blockreader, 0, &reader);
1092         ok(hr == S_OK, "GetReaderByIndex failed, hr=%x\n", hr);
1093 
1094         if (SUCCEEDED(hr))
1095         {
1096             hr = IWICMetadataReader_GetMetadataFormat(reader, &containerformat);
1097             ok(hr == S_OK, "GetMetadataFormat failed, hr=%#x\n", hr);
1098             todo_wine ok(IsEqualGUID(&containerformat, &GUID_MetadataFormatChunktIME) ||
1099                broken(IsEqualGUID(&containerformat, &GUID_MetadataFormatUnknown)) /* Windows XP */,
1100                "unexpected container format\n");
1101 
1102             hr = IWICMetadataReader_GetCount(reader, &count);
1103             ok(hr == S_OK, "GetCount error %#x\n", hr);
1104             todo_wine ok(count == 6 || broken(count == 1) /* XP */, "expected 6, got %u\n", count);
1105             if (count == 6)
1106                 compare_metadata(reader, td, count);
1107 
1108             IWICMetadataReader_Release(reader);
1109         }
1110 
1111         hr = IWICMetadataBlockReader_GetReaderByIndex(blockreader, 1, &reader);
1112         todo_wine ok(hr == WINCODEC_ERR_VALUEOUTOFRANGE, "GetReaderByIndex failed, hr=%x\n", hr);
1113 
1114         hr = CoCreateInstance(&CLSID_WICImagingFactory, NULL, CLSCTX_INPROC_SERVER,
1115             &IID_IWICComponentFactory, (void**)&factory);
1116         ok(hr == S_OK, "CoCreateInstance failed, hr=%x\n", hr);
1117 
1118         hr = IWICComponentFactory_CreateQueryReaderFromBlockReader(factory, NULL, &queryreader);
1119         ok(hr == E_INVALIDARG, "CreateQueryReaderFromBlockReader should have failed: %08x\n", hr);
1120 
1121         hr = IWICComponentFactory_CreateQueryReaderFromBlockReader(factory, blockreader, NULL);
1122         ok(hr == E_INVALIDARG, "CreateQueryReaderFromBlockReader should have failed: %08x\n", hr);
1123 
1124         hr = IWICComponentFactory_CreateQueryReaderFromBlockReader(factory, blockreader, &queryreader);
1125         ok(hr == S_OK, "CreateQueryReaderFromBlockReader failed: %08x\n", hr);
1126 
1127         IWICMetadataQueryReader_Release(queryreader);
1128 
1129         IWICComponentFactory_Release(factory);
1130 
1131         IWICMetadataBlockReader_Release(blockreader);
1132     }
1133 
1134     hr = IWICBitmapFrameDecode_GetMetadataQueryReader(frame, &queryreader);
1135     ok(hr == S_OK, "GetMetadataQueryReader failed: %08x\n", hr);
1136 
1137     if (SUCCEEDED(hr))
1138     {
1139         IWICMetadataQueryReader_Release(queryreader);
1140     }
1141 
1142     IWICBitmapFrameDecode_Release(frame);
1143 
1144     IWICBitmapDecoder_Release(decoder);
1145 
1146     IStream_Release(stream);
1147 }
1148 
1149 static void test_metadata_gif(void)
1150 {
1151     static const struct test_data gif_LSD[9] =
1152     {
1153         { VT_UI1|VT_VECTOR, 0, 6, {'G','I','F','8','7','a'}, NULL, { 'S','i','g','n','a','t','u','r','e',0 } },
1154         { VT_UI2, 0, 0, { 1 }, NULL, { 'W','i','d','t','h',0 } },
1155         { VT_UI2, 0, 0, { 1 }, NULL, { 'H','e','i','g','h','t',0 } },
1156         { VT_BOOL, 0, 0, { 1 }, NULL, { 'G','l','o','b','a','l','C','o','l','o','r','T','a','b','l','e','F','l','a','g',0 } },
1157         { VT_UI1, 0, 0, { 0 }, NULL, { 'C','o','l','o','r','R','e','s','o','l','u','t','i','o','n',0 } },
1158         { VT_BOOL, 0, 0, { 0 }, NULL, { 'S','o','r','t','F','l','a','g',0 } },
1159         { VT_UI1, 0, 0, { 0 }, NULL, { 'G','l','o','b','a','l','C','o','l','o','r','T','a','b','l','e','S','i','z','e',0 } },
1160         { VT_UI1, 0, 0, { 0 }, NULL, { 'B','a','c','k','g','r','o','u','n','d','C','o','l','o','r','I','n','d','e','x',0 } },
1161         { VT_UI1, 0, 0, { 0 }, NULL, { 'P','i','x','e','l','A','s','p','e','c','t','R','a','t','i','o',0 } }
1162     };
1163     static const struct test_data gif_IMD[8] =
1164     {
1165         { VT_UI2, 0, 0, { 0 }, NULL, { 'L','e','f','t',0 } },
1166         { VT_UI2, 0, 0, { 0 }, NULL, { 'T','o','p',0 } },
1167         { VT_UI2, 0, 0, { 1 }, NULL, { 'W','i','d','t','h',0 } },
1168         { VT_UI2, 0, 0, { 1 }, NULL, { 'H','e','i','g','h','t',0 } },
1169         { VT_BOOL, 0, 0, { 0 }, NULL, { 'L','o','c','a','l','C','o','l','o','r','T','a','b','l','e','F','l','a','g',0 } },
1170         { VT_BOOL, 0, 0, { 0 }, NULL, { 'I','n','t','e','r','l','a','c','e','F','l','a','g',0 } },
1171         { VT_BOOL, 0, 0, { 0 }, NULL, { 'S','o','r','t','F','l','a','g',0 } },
1172         { VT_UI1, 0, 0, { 0 }, NULL, { 'L','o','c','a','l','C','o','l','o','r','T','a','b','l','e','S','i','z','e',0 } }
1173     };
1174     static const struct test_data animated_gif_LSD[9] =
1175     {
1176         { VT_UI1|VT_VECTOR, 0, 6, {'G','I','F','8','9','a'}, NULL, { 'S','i','g','n','a','t','u','r','e',0 } },
1177         { VT_UI2, 0, 0, { 1 }, NULL, { 'W','i','d','t','h',0 } },
1178         { VT_UI2, 0, 0, { 1 }, NULL, { 'H','e','i','g','h','t',0 } },
1179         { VT_BOOL, 0, 0, { 1 }, NULL, { 'G','l','o','b','a','l','C','o','l','o','r','T','a','b','l','e','F','l','a','g',0 } },
1180         { VT_UI1, 0, 0, { 2 }, NULL, { 'C','o','l','o','r','R','e','s','o','l','u','t','i','o','n',0 } },
1181         { VT_BOOL, 0, 0, { 0 }, NULL, { 'S','o','r','t','F','l','a','g',0 } },
1182         { VT_UI1, 0, 0, { 1 }, NULL, { 'G','l','o','b','a','l','C','o','l','o','r','T','a','b','l','e','S','i','z','e',0 } },
1183         { VT_UI1, 0, 0, { 0 }, NULL, { 'B','a','c','k','g','r','o','u','n','d','C','o','l','o','r','I','n','d','e','x',0 } },
1184         { VT_UI1, 0, 0, { 0 }, NULL, { 'P','i','x','e','l','A','s','p','e','c','t','R','a','t','i','o',0 } }
1185     };
1186     static const struct test_data animated_gif_IMD[8] =
1187     {
1188         { VT_UI2, 0, 0, { 0 }, NULL, { 'L','e','f','t',0 } },
1189         { VT_UI2, 0, 0, { 0 }, NULL, { 'T','o','p',0 } },
1190         { VT_UI2, 0, 0, { 1 }, NULL, { 'W','i','d','t','h',0 } },
1191         { VT_UI2, 0, 0, { 1 }, NULL, { 'H','e','i','g','h','t',0 } },
1192         { VT_BOOL, 0, 0, { 1 }, NULL, { 'L','o','c','a','l','C','o','l','o','r','T','a','b','l','e','F','l','a','g',0 } },
1193         { VT_BOOL, 0, 0, { 0 }, NULL, { 'I','n','t','e','r','l','a','c','e','F','l','a','g',0 } },
1194         { VT_BOOL, 0, 0, { 0 }, NULL, { 'S','o','r','t','F','l','a','g',0 } },
1195         { VT_UI1, 0, 0, { 1 }, NULL, { 'L','o','c','a','l','C','o','l','o','r','T','a','b','l','e','S','i','z','e',0 } }
1196     };
1197     static const struct test_data animated_gif_GCE[5] =
1198     {
1199         { VT_UI1, 0, 0, { 0 }, NULL, { 'D','i','s','p','o','s','a','l',0 } },
1200         { VT_BOOL, 0, 0, { 0 }, NULL, { 'U','s','e','r','I','n','p','u','t','F','l','a','g',0 } },
1201         { VT_BOOL, 0, 0, { 1 }, NULL, { 'T','r','a','n','s','p','a','r','e','n','c','y','F','l','a','g',0 } },
1202         { VT_UI2, 0, 0, { 10 }, NULL, { 'D','e','l','a','y',0 } },
1203         { VT_UI1, 0, 0, { 1 }, NULL, { 'T','r','a','n','s','p','a','r','e','n','t','C','o','l','o','r','I','n','d','e','x',0 } }
1204     };
1205     static const struct test_data animated_gif_APE[2] =
1206     {
1207         { VT_UI1|VT_VECTOR, 0, 11, { 'A','N','I','M','E','X','T','S','1','.','0' }, NULL, { 'A','p','p','l','i','c','a','t','i','o','n',0 } },
1208         { VT_UI1|VT_VECTOR, 0, 4, { 0x03,0x01,0x05,0x00 }, NULL, { 'D','a','t','a',0 } }
1209     };
1210     static const struct test_data animated_gif_comment_1[1] =
1211     {
1212         { VT_LPSTR, 0, 12, { 0 }, "Hello World!", { 'T','e','x','t','E','n','t','r','y',0 } }
1213     };
1214     static const struct test_data animated_gif_comment_2[1] =
1215     {
1216         { VT_LPSTR, 0, 8, { 0 }, "image #1", { 'T','e','x','t','E','n','t','r','y',0 } }
1217     };
1218     static const struct test_data animated_gif_plain_1[1] =
1219     {
1220         { VT_BLOB, 0, 17, { 0 }, "\x21\x01\x0d\x61nimation.gif" }
1221     };
1222     static const struct test_data animated_gif_plain_2[1] =
1223     {
1224         { VT_BLOB, 0, 16, { 0 }, "\x21\x01\x0cplaintext #1" }
1225     };
1226     IStream *stream;
1227     IWICBitmapDecoder *decoder;
1228     IWICBitmapFrameDecode *frame;
1229     IWICMetadataBlockReader *blockreader;
1230     IWICMetadataReader *reader;
1231     IWICMetadataQueryReader *queryreader;
1232     GUID format;
1233     HRESULT hr;
1234     UINT count;
1235 
1236     /* 1x1 pixel gif */
1237     stream = create_stream(gifimage, sizeof(gifimage));
1238 
1239     hr = CoCreateInstance(&CLSID_WICGifDecoder, NULL, CLSCTX_INPROC_SERVER,
1240                           &IID_IWICBitmapDecoder, (void **)&decoder);
1241     ok(hr == S_OK, "CoCreateInstance error %#x\n", hr);
1242     hr = IWICBitmapDecoder_Initialize(decoder, stream, WICDecodeMetadataCacheOnLoad);
1243     ok(hr == S_OK, "Initialize error %#x\n", hr);
1244 
1245     IStream_Release(stream);
1246 
1247     /* global metadata block */
1248     hr = IWICBitmapDecoder_QueryInterface(decoder, &IID_IWICMetadataBlockReader, (void **)&blockreader);
1249     ok(hr == S_OK || broken(hr == E_NOINTERFACE) /* before Win7 */, "QueryInterface error %#x\n", hr);
1250 
1251     if (SUCCEEDED(hr))
1252     {
1253         hr = IWICMetadataBlockReader_GetContainerFormat(blockreader, &format);
1254         ok(hr == S_OK, "GetContainerFormat error %#x\n", hr);
1255         ok(IsEqualGUID(&format, &GUID_ContainerFormatGif),
1256            "wrong container format %s\n", wine_dbgstr_guid(&format));
1257 
1258         hr = IWICMetadataBlockReader_GetCount(blockreader, &count);
1259         ok(hr == S_OK, "GetCount error %#x\n", hr);
1260         ok(count == 1, "expected 1, got %u\n", count);
1261 
1262         hr = IWICMetadataBlockReader_GetReaderByIndex(blockreader, 0, &reader);
1263         ok(hr == S_OK, "GetReaderByIndex error %#x\n", hr);
1264 
1265         if (SUCCEEDED(hr))
1266         {
1267             hr = IWICMetadataReader_GetMetadataFormat(reader, &format);
1268             ok(hr == S_OK, "GetMetadataFormat failed, hr=%#x\n", hr);
1269             ok(IsEqualGUID(&format, &GUID_MetadataFormatLSD), /* Logical Screen Descriptor */
1270                "wrong metadata format %s\n", wine_dbgstr_guid(&format));
1271 
1272             hr = IWICMetadataReader_GetCount(reader, &count);
1273             ok(hr == S_OK, "GetCount error %#x\n", hr);
1274             ok(count == sizeof(gif_LSD)/sizeof(gif_LSD[0]), "unexpected count %u\n", count);
1275 
1276             compare_metadata(reader, gif_LSD, count);
1277 
1278             IWICMetadataReader_Release(reader);
1279         }
1280 
1281         hr = IWICMetadataBlockReader_GetReaderByIndex(blockreader, 1, &reader);
1282         ok(hr == E_INVALIDARG, "expected E_INVALIDARG, got %#x\n", hr);
1283 
1284         IWICMetadataBlockReader_Release(blockreader);
1285     }
1286 
1287     /* frame metadata block */
1288     hr = IWICBitmapDecoder_GetFrame(decoder, 0, &frame);
1289     ok(hr == S_OK, "GetFrame error %#x\n", hr);
1290 
1291     hr = IWICBitmapFrameDecode_QueryInterface(frame, &IID_IWICMetadataBlockReader, (void **)&blockreader);
1292     ok(hr == S_OK || broken(hr == E_NOINTERFACE) /* before Win7 */, "QueryInterface error %#x\n", hr);
1293 
1294     if (SUCCEEDED(hr))
1295     {
1296         hr = IWICMetadataBlockReader_GetContainerFormat(blockreader, NULL);
1297         ok(hr == E_INVALIDARG, "expected E_INVALIDARG, got %#x\n", hr);
1298 
1299         hr = IWICMetadataBlockReader_GetContainerFormat(blockreader, &format);
1300         ok(hr == S_OK, "GetContainerFormat error %#x\n", hr);
1301         ok(IsEqualGUID(&format, &GUID_ContainerFormatGif),
1302            "wrong container format %s\n", wine_dbgstr_guid(&format));
1303 
1304         hr = IWICMetadataBlockReader_GetCount(blockreader, NULL);
1305         ok(hr == E_INVALIDARG, "expected E_INVALIDARG, got %#x\n", hr);
1306 
1307         hr = IWICMetadataBlockReader_GetCount(blockreader, &count);
1308         ok(hr == S_OK, "GetCount error %#x\n", hr);
1309         ok(count == 1, "expected 1, got %u\n", count);
1310 
1311         hr = IWICMetadataBlockReader_GetReaderByIndex(blockreader, 0, &reader);
1312         ok(hr == S_OK, "GetReaderByIndex error %#x\n", hr);
1313 
1314         if (SUCCEEDED(hr))
1315         {
1316             hr = IWICMetadataReader_GetMetadataFormat(reader, &format);
1317             ok(hr == S_OK, "GetMetadataFormat failed, hr=%#x\n", hr);
1318             ok(IsEqualGUID(&format, &GUID_MetadataFormatIMD), /* Image Descriptor */
1319                "wrong metadata format %s\n", wine_dbgstr_guid(&format));
1320 
1321             hr = IWICMetadataReader_GetCount(reader, &count);
1322             ok(hr == S_OK, "GetCount error %#x\n", hr);
1323             ok(count == sizeof(gif_IMD)/sizeof(gif_IMD[0]), "unexpected count %u\n", count);
1324 
1325             compare_metadata(reader, gif_IMD, count);
1326 
1327             IWICMetadataReader_Release(reader);
1328         }
1329 
1330         hr = IWICMetadataBlockReader_GetReaderByIndex(blockreader, 1, &reader);
1331         ok(hr == E_INVALIDARG, "expected E_INVALIDARG, got %#x\n", hr);
1332 
1333         IWICMetadataBlockReader_Release(blockreader);
1334     }
1335 
1336     IWICBitmapFrameDecode_Release(frame);
1337     IWICBitmapDecoder_Release(decoder);
1338 
1339     /* 1x1 pixel gif, 2 frames */
1340     stream = create_stream(animatedgif, sizeof(animatedgif));
1341 
1342     hr = CoCreateInstance(&CLSID_WICGifDecoder, NULL, CLSCTX_INPROC_SERVER,
1343                           &IID_IWICBitmapDecoder, (void **)&decoder);
1344     ok(hr == S_OK, "CoCreateInstance error %#x\n", hr);
1345     hr = IWICBitmapDecoder_Initialize(decoder, stream, WICDecodeMetadataCacheOnLoad);
1346     ok(hr == S_OK, "Initialize error %#x\n", hr);
1347 
1348     IStream_Release(stream);
1349 
1350     /* global metadata block */
1351     hr = IWICBitmapDecoder_QueryInterface(decoder, &IID_IWICMetadataBlockReader, (void **)&blockreader);
1352     ok(hr == S_OK || broken(hr == E_NOINTERFACE) /* before Win7 */, "QueryInterface error %#x\n", hr);
1353 
1354     if (SUCCEEDED(hr))
1355     {
1356         hr = IWICMetadataBlockReader_GetContainerFormat(blockreader, &format);
1357         ok(hr == S_OK, "GetContainerFormat error %#x\n", hr);
1358         ok(IsEqualGUID(&format, &GUID_ContainerFormatGif),
1359            "wrong container format %s\n", wine_dbgstr_guid(&format));
1360 
1361         hr = IWICMetadataBlockReader_GetCount(blockreader, &count);
1362         ok(hr == S_OK, "GetCount error %#x\n", hr);
1363         ok(count == 4, "expected 4, got %u\n", count);
1364 
1365         hr = IWICMetadataBlockReader_GetReaderByIndex(blockreader, 0, &reader);
1366         ok(hr == S_OK, "GetReaderByIndex error %#x\n", hr);
1367 
1368         if (SUCCEEDED(hr))
1369         {
1370             hr = IWICMetadataReader_GetMetadataFormat(reader, &format);
1371             ok(hr == S_OK, "GetMetadataFormat failed, hr=%#x\n", hr);
1372             ok(IsEqualGUID(&format, &GUID_MetadataFormatLSD), /* Logical Screen Descriptor */
1373                "wrong metadata format %s\n", wine_dbgstr_guid(&format));
1374 
1375             hr = IWICMetadataReader_GetCount(reader, &count);
1376             ok(hr == S_OK, "GetCount error %#x\n", hr);
1377             ok(count == sizeof(animated_gif_LSD)/sizeof(animated_gif_LSD[0]), "unexpected count %u\n", count);
1378 
1379             compare_metadata(reader, animated_gif_LSD, count);
1380 
1381             IWICMetadataReader_Release(reader);
1382         }
1383 
1384         hr = IWICMetadataBlockReader_GetReaderByIndex(blockreader, 1, &reader);
1385         ok(hr == S_OK, "GetReaderByIndex error %#x\n", hr);
1386 
1387         if (SUCCEEDED(hr))
1388         {
1389             hr = IWICMetadataReader_GetMetadataFormat(reader, &format);
1390             ok(hr == S_OK, "GetMetadataFormat failed, hr=%#x\n", hr);
1391             ok(IsEqualGUID(&format, &GUID_MetadataFormatAPE), /* Application Extension */
1392                "wrong metadata format %s\n", wine_dbgstr_guid(&format));
1393 
1394             hr = IWICMetadataReader_GetCount(reader, &count);
1395             ok(hr == S_OK, "GetCount error %#x\n", hr);
1396             ok(count == sizeof(animated_gif_APE)/sizeof(animated_gif_APE[0]), "unexpected count %u\n", count);
1397 
1398             compare_metadata(reader, animated_gif_APE, count);
1399 
1400             IWICMetadataReader_Release(reader);
1401         }
1402 
1403         hr = IWICMetadataBlockReader_GetReaderByIndex(blockreader, 2, &reader);
1404         ok(hr == S_OK, "GetReaderByIndex error %#x\n", hr);
1405 
1406         if (SUCCEEDED(hr))
1407         {
1408             hr = IWICMetadataReader_GetMetadataFormat(reader, &format);
1409             ok(hr == S_OK, "GetMetadataFormat failed, hr=%#x\n", hr);
1410             ok(IsEqualGUID(&format, &GUID_MetadataFormatGifComment), /* Comment Extension */
1411                "wrong metadata format %s\n", wine_dbgstr_guid(&format));
1412 
1413             hr = IWICMetadataReader_GetCount(reader, &count);
1414             ok(hr == S_OK, "GetCount error %#x\n", hr);
1415             ok(count == sizeof(animated_gif_comment_1)/sizeof(animated_gif_comment_1[0]), "unexpected count %u\n", count);
1416 
1417             compare_metadata(reader, animated_gif_comment_1, count);
1418 
1419             IWICMetadataReader_Release(reader);
1420         }
1421 
1422         hr = IWICMetadataBlockReader_GetReaderByIndex(blockreader, 3, &reader);
1423         ok(hr == S_OK, "GetReaderByIndex error %#x\n", hr);
1424 
1425         if (SUCCEEDED(hr))
1426         {
1427             hr = IWICMetadataReader_GetMetadataFormat(reader, &format);
1428             ok(hr == S_OK, "GetMetadataFormat failed, hr=%#x\n", hr);
1429             ok(IsEqualGUID(&format, &GUID_MetadataFormatUnknown),
1430                "wrong metadata format %s\n", wine_dbgstr_guid(&format));
1431 
1432             hr = IWICMetadataReader_GetCount(reader, &count);
1433             ok(hr == S_OK, "GetCount error %#x\n", hr);
1434             ok(count == sizeof(animated_gif_plain_1)/sizeof(animated_gif_plain_1[0]), "unexpected count %u\n", count);
1435 
1436             compare_metadata(reader, animated_gif_plain_1, count);
1437 
1438             IWICMetadataReader_Release(reader);
1439         }
1440 
1441         hr = IWICMetadataBlockReader_GetReaderByIndex(blockreader, 4, &reader);
1442         ok(hr == E_INVALIDARG, "expected E_INVALIDARG, got %#x\n", hr);
1443 
1444         IWICMetadataBlockReader_Release(blockreader);
1445     }
1446 
1447     /* frame metadata block */
1448     hr = IWICBitmapDecoder_GetFrame(decoder, 1, &frame);
1449     ok(hr == S_OK, "GetFrame error %#x\n", hr);
1450 
1451     hr = IWICBitmapFrameDecode_QueryInterface(frame, &IID_IWICMetadataBlockReader, (void **)&blockreader);
1452     ok(hr == S_OK || broken(hr == E_NOINTERFACE) /* before Win7 */, "QueryInterface error %#x\n", hr);
1453 
1454     if (SUCCEEDED(hr))
1455     {
1456         hr = IWICMetadataBlockReader_GetContainerFormat(blockreader, NULL);
1457         ok(hr == E_INVALIDARG, "expected E_INVALIDARG, got %#x\n", hr);
1458 
1459         hr = IWICMetadataBlockReader_GetContainerFormat(blockreader, &format);
1460         ok(hr == S_OK, "GetContainerFormat error %#x\n", hr);
1461         ok(IsEqualGUID(&format, &GUID_ContainerFormatGif),
1462            "wrong container format %s\n", wine_dbgstr_guid(&format));
1463 
1464         hr = IWICMetadataBlockReader_GetCount(blockreader, NULL);
1465         ok(hr == E_INVALIDARG, "expected E_INVALIDARG, got %#x\n", hr);
1466 
1467         hr = IWICMetadataBlockReader_GetCount(blockreader, &count);
1468         ok(hr == S_OK, "GetCount error %#x\n", hr);
1469         ok(count == 4, "expected 4, got %u\n", count);
1470 
1471         hr = IWICMetadataBlockReader_GetReaderByIndex(blockreader, 0, &reader);
1472         ok(hr == S_OK, "GetReaderByIndex error %#x\n", hr);
1473 
1474         if (SUCCEEDED(hr))
1475         {
1476             hr = IWICMetadataReader_GetMetadataFormat(reader, &format);
1477             ok(hr == S_OK, "GetMetadataFormat failed, hr=%#x\n", hr);
1478             ok(IsEqualGUID(&format, &GUID_MetadataFormatIMD), /* Image Descriptor */
1479                "wrong metadata format %s\n", wine_dbgstr_guid(&format));
1480 
1481             hr = IWICMetadataReader_GetCount(reader, &count);
1482             ok(hr == S_OK, "GetCount error %#x\n", hr);
1483             ok(count == sizeof(animated_gif_IMD)/sizeof(animated_gif_IMD[0]), "unexpected count %u\n", count);
1484 
1485             compare_metadata(reader, animated_gif_IMD, count);
1486 
1487             IWICMetadataReader_Release(reader);
1488         }
1489 
1490         hr = IWICMetadataBlockReader_GetReaderByIndex(blockreader, 1, &reader);
1491         ok(hr == S_OK, "GetReaderByIndex error %#x\n", hr);
1492 
1493         if (SUCCEEDED(hr))
1494         {
1495             hr = IWICMetadataReader_GetMetadataFormat(reader, &format);
1496             ok(hr == S_OK, "GetMetadataFormat failed, hr=%#x\n", hr);
1497             ok(IsEqualGUID(&format, &GUID_MetadataFormatGifComment), /* Comment Extension */
1498                 "wrong metadata format %s\n", wine_dbgstr_guid(&format));
1499 
1500             hr = IWICMetadataReader_GetCount(reader, &count);
1501             ok(hr == S_OK, "GetCount error %#x\n", hr);
1502             ok(count == sizeof(animated_gif_comment_2)/sizeof(animated_gif_comment_2[0]), "unexpected count %u\n", count);
1503 
1504             if (count == 1)
1505             compare_metadata(reader, animated_gif_comment_2, count);
1506 
1507             IWICMetadataReader_Release(reader);
1508         }
1509 
1510         hr = IWICMetadataBlockReader_GetReaderByIndex(blockreader, 2, &reader);
1511         ok(hr == S_OK, "GetReaderByIndex error %#x\n", hr);
1512 
1513         if (SUCCEEDED(hr))
1514         {
1515             hr = IWICMetadataReader_GetMetadataFormat(reader, &format);
1516             ok(hr == S_OK, "GetMetadataFormat failed, hr=%#x\n", hr);
1517             ok(IsEqualGUID(&format, &GUID_MetadataFormatUnknown),
1518                "wrong metadata format %s\n", wine_dbgstr_guid(&format));
1519 
1520             hr = IWICMetadataReader_GetCount(reader, &count);
1521             ok(hr == S_OK, "GetCount error %#x\n", hr);
1522             ok(count == sizeof(animated_gif_plain_2)/sizeof(animated_gif_plain_2[0]), "unexpected count %u\n", count);
1523 
1524             compare_metadata(reader, animated_gif_plain_2, count);
1525 
1526             IWICMetadataReader_Release(reader);
1527         }
1528 
1529         hr = IWICMetadataBlockReader_GetReaderByIndex(blockreader, 3, &reader);
1530         ok(hr == S_OK, "GetReaderByIndex error %#x\n", hr);
1531 
1532         if (SUCCEEDED(hr))
1533         {
1534             hr = IWICMetadataReader_GetMetadataFormat(reader, &format);
1535             ok(hr == S_OK, "GetMetadataFormat failed, hr=%#x\n", hr);
1536             ok(IsEqualGUID(&format, &GUID_MetadataFormatGCE), /* Graphic Control Extension */
1537                "wrong metadata format %s\n", wine_dbgstr_guid(&format));
1538 
1539             hr = IWICMetadataReader_GetCount(reader, &count);
1540             ok(hr == S_OK, "GetCount error %#x\n", hr);
1541             ok(count == sizeof(animated_gif_GCE)/sizeof(animated_gif_GCE[0]), "unexpected count %u\n", count);
1542 
1543             compare_metadata(reader, animated_gif_GCE, count);
1544 
1545             IWICMetadataReader_Release(reader);
1546         }
1547 
1548         hr = IWICMetadataBlockReader_GetReaderByIndex(blockreader, 4, &reader);
1549         ok(hr == E_INVALIDARG, "expected E_INVALIDARG, got %#x\n", hr);
1550 
1551         IWICMetadataBlockReader_Release(blockreader);
1552     }
1553 
1554     hr = IWICBitmapDecoder_GetMetadataQueryReader(decoder, &queryreader);
1555     ok(hr == S_OK || broken(hr == WINCODEC_ERR_UNSUPPORTEDOPERATION) /* before Vista */,
1556        "GetMetadataQueryReader error %#x\n", hr);
1557     if (SUCCEEDED(hr))
1558     {
1559         static const struct
1560         {
1561             const char *query;
1562             HRESULT hr;
1563             UINT vt;
1564         } decoder_data[] =
1565         {
1566             { "/logscrdesc/Signature", S_OK, VT_UI1 | VT_VECTOR },
1567             { "/[0]logscrdesc/Signature", S_OK, VT_UI1 | VT_VECTOR },
1568             { "/logscrdesc/\\Signature", S_OK, VT_UI1 | VT_VECTOR },
1569             { "/Logscrdesc/\\signature", S_OK, VT_UI1 | VT_VECTOR },
1570             { "/logscrdesc/{str=signature}", S_OK, VT_UI1 | VT_VECTOR },
1571             { "/[0]logscrdesc/{str=signature}", S_OK, VT_UI1 | VT_VECTOR },
1572             { "/logscrdesc/{wstr=signature}", S_OK, VT_UI1 | VT_VECTOR },
1573             { "/[0]logscrdesc/{wstr=signature}", S_OK, VT_UI1 | VT_VECTOR },
1574             { "/appext/Application", S_OK, VT_UI1 | VT_VECTOR },
1575             { "/appext/{STR=APPlication}", S_OK, VT_UI1 | VT_VECTOR },
1576             { "/appext/{WSTR=APPlication}", S_OK, VT_UI1 | VT_VECTOR },
1577             { "/LogSCRdesC", S_OK, VT_UNKNOWN },
1578             { "/[0]LogSCRdesC", S_OK, VT_UNKNOWN },
1579             { "/appEXT", S_OK, VT_UNKNOWN },
1580             { "/[0]appEXT", S_OK, VT_UNKNOWN },
1581             { "grctlext", WINCODEC_ERR_PROPERTYNOTSUPPORTED, 0 },
1582             { "/imgdesc", WINCODEC_ERR_PROPERTYNOTFOUND, 0 },
1583         };
1584         static const WCHAR rootW[] = {'/',0};
1585         WCHAR name[256];
1586         UINT len, i, j;
1587         PROPVARIANT value;
1588         IWICMetadataQueryReader *meta_reader;
1589 
1590         hr = IWICMetadataQueryReader_GetContainerFormat(queryreader, &format);
1591         ok(hr == S_OK, "GetContainerFormat error %#x\n", hr);
1592         ok(IsEqualGUID(&format, &GUID_ContainerFormatGif),
1593            "wrong container format %s\n", wine_dbgstr_guid(&format));
1594 
1595         name[0] = 0;
1596         len = 0xdeadbeef;
1597         hr = IWICMetadataQueryReader_GetLocation(queryreader, 256, name, &len);
1598         ok(hr == S_OK, "GetLocation error %#x\n", hr);
1599         ok(len == 2, "expected 2, got %u\n", len);
1600         ok(!lstrcmpW(name, rootW), "expected '/', got %s\n", wine_dbgstr_w(name));
1601 
1602         for (i = 0; i < sizeof(decoder_data)/sizeof(decoder_data[0]); i++)
1603         {
1604             WCHAR queryW[256];
1605 
1606             if (winetest_debug > 1)
1607                 trace("query: %s\n", decoder_data[i].query);
1608             MultiByteToWideChar(CP_ACP, 0, decoder_data[i].query, -1, queryW, 256);
1609             PropVariantInit(&value);
1610             hr = IWICMetadataQueryReader_GetMetadataByName(queryreader, queryW, &value);
1611             ok(hr == decoder_data[i].hr, "GetMetadataByName(%s) returned %#x, expected %#x\n", wine_dbgstr_w(queryW), hr, decoder_data[i].hr);
1612             ok(value.vt == decoder_data[i].vt, "expected %#x, got %#x\n", decoder_data[i].vt, value.vt);
1613             if (hr == S_OK && value.vt == VT_UNKNOWN)
1614             {
1615                 hr = IUnknown_QueryInterface(value.punkVal, &IID_IWICMetadataQueryReader, (void **)&meta_reader);
1616                 ok(hr == S_OK, "QueryInterface error %#x\n", hr);
1617 
1618                 name[0] = 0;
1619                 len = 0xdeadbeef;
1620                 hr = IWICMetadataQueryReader_GetLocation(meta_reader, 256, name, &len);
1621                 ok(hr == S_OK, "GetLocation error %#x\n", hr);
1622                 ok(len == lstrlenW(queryW) + 1, "expected %u, got %u\n", lstrlenW(queryW) + 1, len);
1623                 ok(!lstrcmpW(name, queryW), "expected %s, got %s\n", wine_dbgstr_w(queryW), wine_dbgstr_w(name));
1624 
1625                 for (j = 0; j < sizeof(decoder_data)/sizeof(decoder_data[0]); j++)
1626                 {
1627                     MultiByteToWideChar(CP_ACP, 0, decoder_data[j].query, -1, queryW, 256);
1628 
1629                     if (CompareStringW(LOCALE_NEUTRAL, NORM_IGNORECASE, queryW, len-1, name, len-1) == CSTR_EQUAL && decoder_data[j].query[len - 1] != 0)
1630                     {
1631                         if (winetest_debug > 1)
1632                             trace("query: %s\n", wine_dbgstr_w(queryW + len - 1));
1633                         PropVariantClear(&value);
1634                         hr = IWICMetadataQueryReader_GetMetadataByName(meta_reader, queryW + len - 1, &value);
1635                         ok(hr == decoder_data[j].hr, "GetMetadataByName(%s) returned %#x, expected %#x\n", wine_dbgstr_w(queryW + len - 1), hr, decoder_data[j].hr);
1636                         ok(value.vt == decoder_data[j].vt, "expected %#x, got %#x\n", decoder_data[j].vt, value.vt);
1637                     }
1638                 }
1639 
1640                 IWICMetadataQueryReader_Release(meta_reader);
1641             }
1642 
1643             PropVariantClear(&value);
1644         }
1645 
1646         IWICMetadataQueryReader_Release(queryreader);
1647     }
1648 
1649     hr = IWICBitmapFrameDecode_GetMetadataQueryReader(frame, &queryreader);
1650     ok(hr == S_OK || broken(hr == WINCODEC_ERR_UNSUPPORTEDOPERATION) /* before Vista */,
1651        "GetMetadataQueryReader error %#x\n", hr);
1652     if (SUCCEEDED(hr))
1653     {
1654         static const struct
1655         {
1656             const char *query;
1657             HRESULT hr;
1658             UINT vt;
1659         } frame_data[] =
1660         {
1661             { "/grctlext/Delay", S_OK, VT_UI2 },
1662             { "/[0]grctlext/Delay", S_OK, VT_UI2 },
1663             { "/grctlext/{str=delay}", S_OK, VT_UI2 },
1664             { "/[0]grctlext/{str=delay}", S_OK, VT_UI2 },
1665             { "/grctlext/{wstr=delay}", S_OK, VT_UI2 },
1666             { "/[0]grctlext/{wstr=delay}", S_OK, VT_UI2 },
1667             { "/imgdesc/InterlaceFlag", S_OK, VT_BOOL },
1668             { "/imgdesc/{STR=interlaceFLAG}", S_OK, VT_BOOL },
1669             { "/imgdesc/{WSTR=interlaceFLAG}", S_OK, VT_BOOL },
1670             { "/grctlext", S_OK, VT_UNKNOWN },
1671             { "/[0]grctlext", S_OK, VT_UNKNOWN },
1672             { "/imgdesc", S_OK, VT_UNKNOWN },
1673             { "/[0]imgdesc", S_OK, VT_UNKNOWN },
1674             { "/LogSCRdesC", WINCODEC_ERR_PROPERTYNOTFOUND, 0 },
1675             { "/appEXT", WINCODEC_ERR_PROPERTYNOTFOUND, 0 },
1676             { "/grctlext/{\\str=delay}", WINCODEC_ERR_WRONGSTATE, 0 },
1677             { "/grctlext/{str=\\delay}", S_OK, VT_UI2 },
1678             { "grctlext/Delay", WINCODEC_ERR_PROPERTYNOTSUPPORTED, 0 },
1679         };
1680         static const WCHAR rootW[] = {'/',0};
1681         static const WCHAR guidW[] = {'/','{','g','u','i','d','=','\\',0};
1682         static const WCHAR imgdescW[] = {'i','m','g','d','e','s','c',0};
1683         static const WCHAR ImgDescW[] = {'I','m','g','D','e','s','c',0};
1684         WCHAR name[256], queryW[256];
1685         UINT len, i;
1686         PROPVARIANT value;
1687         IWICMetadataQueryReader *meta_reader;
1688 
1689         hr = IWICMetadataQueryReader_GetContainerFormat(queryreader, &format);
1690         ok(hr == S_OK, "GetContainerFormat error %#x\n", hr);
1691         ok(IsEqualGUID(&format, &GUID_ContainerFormatGif),
1692            "wrong container format %s\n", wine_dbgstr_guid(&format));
1693 
1694         name[0] = 0;
1695         len = 0xdeadbeef;
1696         hr = IWICMetadataQueryReader_GetLocation(queryreader, 256, name, &len);
1697         ok(hr == S_OK, "GetLocation error %#x\n", hr);
1698         ok(len == 2, "expected 2, got %u\n", len);
1699         ok(!lstrcmpW(name, rootW), "expected '/', got %s\n", wine_dbgstr_w(name));
1700 
1701         for (i = 0; i < sizeof(frame_data)/sizeof(frame_data[0]); i++)
1702         {
1703             if (winetest_debug > 1)
1704                 trace("query: %s\n", frame_data[i].query);
1705             MultiByteToWideChar(CP_ACP, 0, frame_data[i].query, -1, queryW, 256);
1706             PropVariantInit(&value);
1707             hr = IWICMetadataQueryReader_GetMetadataByName(queryreader, queryW, &value);
1708             ok(hr == frame_data[i].hr, "GetMetadataByName(%s) returned %#x, expected %#x\n", wine_dbgstr_w(queryW), hr, frame_data[i].hr);
1709             ok(value.vt == frame_data[i].vt, "expected %#x, got %#x\n", frame_data[i].vt, value.vt);
1710             if (hr == S_OK && value.vt == VT_UNKNOWN)
1711             {
1712                 hr = IUnknown_QueryInterface(value.punkVal, &IID_IWICMetadataQueryReader, (void **)&meta_reader);
1713                 ok(hr == S_OK, "QueryInterface error %#x\n", hr);
1714 
1715                 name[0] = 0;
1716                 len = 0xdeadbeef;
1717                 hr = IWICMetadataQueryReader_GetLocation(meta_reader, 256, name, &len);
1718                 ok(hr == S_OK, "GetLocation error %#x\n", hr);
1719                 ok(len == lstrlenW(queryW) + 1, "expected %u, got %u\n", lstrlenW(queryW) + 1, len);
1720                 ok(!lstrcmpW(name, queryW), "expected %s, got %s\n", wine_dbgstr_w(queryW), wine_dbgstr_w(name));
1721 
1722                 IWICMetadataQueryReader_Release(meta_reader);
1723             }
1724 
1725             PropVariantClear(&value);
1726         }
1727 
1728         name[0] = 0;
1729         len = 0xdeadbeef;
1730         hr = WICMapGuidToShortName(&GUID_MetadataFormatIMD, 256, name, &len);
1731         ok(hr == S_OK, "WICMapGuidToShortName error %#x\n", hr);
1732         ok(!lstrcmpW(name, imgdescW), "wrong short name %s\n", wine_dbgstr_w(name));
1733 
1734         format = GUID_NULL;
1735         hr = WICMapShortNameToGuid(imgdescW, &format);
1736         ok(hr == S_OK, "WICMapGuidToShortName error %#x\n", hr);
1737         ok(IsEqualGUID(&format, &GUID_MetadataFormatIMD), "wrong guid %s\n", wine_dbgstr_guid(&format));
1738 
1739         format = GUID_NULL;
1740         hr = WICMapShortNameToGuid(ImgDescW, &format);
1741         ok(hr == S_OK, "WICMapGuidToShortName error %#x\n", hr);
1742         ok(IsEqualGUID(&format, &GUID_MetadataFormatIMD), "wrong guid %s\n", wine_dbgstr_guid(&format));
1743 
1744         lstrcpyW(queryW, guidW);
1745         StringFromGUID2(&GUID_MetadataFormatIMD, queryW + lstrlenW(queryW) - 1, 39);
1746         memcpy(queryW, guidW, sizeof(guidW) - 2);
1747         if (winetest_debug > 1)
1748             trace("query: %s\n", wine_dbgstr_w(queryW));
1749         PropVariantInit(&value);
1750         hr = IWICMetadataQueryReader_GetMetadataByName(queryreader, queryW, &value);
1751         ok(hr == S_OK, "GetMetadataByName(%s) error %#x\n", wine_dbgstr_w(queryW), hr);
1752         ok(value.vt == VT_UNKNOWN, "expected VT_UNKNOWN, got %#x\n", value.vt);
1753         PropVariantClear(&value);
1754 
1755         IWICMetadataQueryReader_Release(queryreader);
1756     }
1757 
1758     IWICBitmapFrameDecode_Release(frame);
1759     IWICBitmapDecoder_Release(decoder);
1760 }
1761 
1762 static void test_metadata_LSD(void)
1763 {
1764     static const WCHAR LSD_name[] = {'L','o','g','i','c','a','l',' ','S','c','r','e','e','n',' ','D','e','s','c','r','i','p','t','o','r',' ','R','e','a','d','e','r',0};
1765     static const char LSD_data[] = "hello world!\x1\x2\x3\x4\xab\x6\x7\x8\x9\xa\xb\xc\xd\xe\xf";
1766     static const struct test_data td[9] =
1767     {
1768         { VT_UI1|VT_VECTOR, 0, 6, {'w','o','r','l','d','!'}, NULL, { 'S','i','g','n','a','t','u','r','e',0 } },
1769         { VT_UI2, 0, 0, { 0x201 }, NULL, { 'W','i','d','t','h',0 } },
1770         { VT_UI2, 0, 0, { 0x403 }, NULL, { 'H','e','i','g','h','t',0 } },
1771         { VT_BOOL, 0, 0, { 1 }, NULL, { 'G','l','o','b','a','l','C','o','l','o','r','T','a','b','l','e','F','l','a','g',0 } },
1772         { VT_UI1, 0, 0, { 2 }, NULL, { 'C','o','l','o','r','R','e','s','o','l','u','t','i','o','n',0 } },
1773         { VT_BOOL, 0, 0, { 1 }, NULL, { 'S','o','r','t','F','l','a','g',0 } },
1774         { VT_UI1, 0, 0, { 3 }, NULL, { 'G','l','o','b','a','l','C','o','l','o','r','T','a','b','l','e','S','i','z','e',0 } },
1775         { VT_UI1, 0, 0, { 6 }, NULL, { 'B','a','c','k','g','r','o','u','n','d','C','o','l','o','r','I','n','d','e','x',0 } },
1776         { VT_UI1, 0, 0, { 7 }, NULL, { 'P','i','x','e','l','A','s','p','e','c','t','R','a','t','i','o',0 } }
1777     };
1778     LARGE_INTEGER pos;
1779     HRESULT hr;
1780     IStream *stream;
1781     IWICPersistStream *persist;
1782     IWICMetadataReader *reader;
1783     IWICMetadataHandlerInfo *info;
1784     WCHAR name[64];
1785     UINT count, dummy;
1786     GUID format;
1787     CLSID id;
1788 
1789     hr = CoCreateInstance(&CLSID_WICLSDMetadataReader, NULL, CLSCTX_INPROC_SERVER,
1790                           &IID_IWICMetadataReader, (void **)&reader);
1791     ok(hr == S_OK || broken(hr == E_NOINTERFACE || hr == REGDB_E_CLASSNOTREG) /* before Win7 */,
1792        "CoCreateInstance error %#x\n", hr);
1793 
1794     stream = create_stream(LSD_data, sizeof(LSD_data));
1795 
1796     if (SUCCEEDED(hr))
1797     {
1798         pos.QuadPart = 6;
1799         hr = IStream_Seek(stream, pos, SEEK_SET, NULL);
1800         ok(hr == S_OK, "IStream_Seek error %#x\n", hr);
1801 
1802         hr = IUnknown_QueryInterface(reader, &IID_IWICPersistStream, (void **)&persist);
1803         ok(hr == S_OK, "QueryInterface error %#x\n", hr);
1804 
1805         hr = IWICPersistStream_Load(persist, stream);
1806         ok(hr == S_OK, "Load error %#x\n", hr);
1807 
1808         IWICPersistStream_Release(persist);
1809     }
1810 
1811     if (SUCCEEDED(hr))
1812     {
1813         hr = IWICMetadataReader_GetCount(reader, &count);
1814         ok(hr == S_OK, "GetCount error %#x\n", hr);
1815         ok(count == sizeof(td)/sizeof(td[0]), "unexpected count %u\n", count);
1816 
1817         compare_metadata(reader, td, count);
1818 
1819         hr = IWICMetadataReader_GetMetadataFormat(reader, &format);
1820         ok(hr == S_OK, "GetMetadataFormat error %#x\n", hr);
1821         ok(IsEqualGUID(&format, &GUID_MetadataFormatLSD), "wrong format %s\n", wine_dbgstr_guid(&format));
1822 
1823         hr = IWICMetadataReader_GetMetadataHandlerInfo(reader, &info);
1824         ok(hr == S_OK, "GetMetadataHandlerInfo error %#x\n", hr);
1825 
1826         hr = IWICMetadataHandlerInfo_GetCLSID(info, &id);
1827         ok(hr == S_OK, "GetCLSID error %#x\n", hr);
1828         ok(IsEqualGUID(&id, &CLSID_WICLSDMetadataReader), "wrong CLSID %s\n", wine_dbgstr_guid(&id));
1829 
1830         hr = IWICMetadataHandlerInfo_GetFriendlyName(info, 64, name, &dummy);
1831         ok(hr == S_OK, "GetFriendlyName error %#x\n", hr);
1832         ok(lstrcmpW(name, LSD_name) == 0, "wrong LSD reader name %s\n", wine_dbgstr_w(name));
1833 
1834         IWICMetadataHandlerInfo_Release(info);
1835         IWICMetadataReader_Release(reader);
1836     }
1837 
1838     IStream_Release(stream);
1839 }
1840 
1841 static void test_metadata_IMD(void)
1842 {
1843     static const WCHAR IMD_name[] = {'I','m','a','g','e',' ','D','e','s','c','r','i','p','t','o','r',' ','R','e','a','d','e','r',0};
1844     static const char IMD_data[] = "hello world!\x1\x2\x3\x4\x5\x6\x7\x8\xed\xa\xb\xc\xd\xe\xf";
1845     static const struct test_data td[8] =
1846     {
1847         { VT_UI2, 0, 0, { 0x201 }, NULL, { 'L','e','f','t',0 } },
1848         { VT_UI2, 0, 0, { 0x403 }, NULL, { 'T','o','p',0 } },
1849         { VT_UI2, 0, 0, { 0x605 }, NULL, { 'W','i','d','t','h',0 } },
1850         { VT_UI2, 0, 0, { 0x807 }, NULL, { 'H','e','i','g','h','t',0 } },
1851         { VT_BOOL, 0, 0, { 1 }, NULL, { 'L','o','c','a','l','C','o','l','o','r','T','a','b','l','e','F','l','a','g',0 } },
1852         { VT_BOOL, 0, 0, { 1 }, NULL, { 'I','n','t','e','r','l','a','c','e','F','l','a','g',0 } },
1853         { VT_BOOL, 0, 0, { 1 }, NULL, { 'S','o','r','t','F','l','a','g',0 } },
1854         { VT_UI1, 0, 0, { 5 }, NULL, { 'L','o','c','a','l','C','o','l','o','r','T','a','b','l','e','S','i','z','e',0 } }
1855     };
1856     LARGE_INTEGER pos;
1857     HRESULT hr;
1858     IStream *stream;
1859     IWICPersistStream *persist;
1860     IWICMetadataReader *reader;
1861     IWICMetadataHandlerInfo *info;
1862     WCHAR name[64];
1863     UINT count, dummy;
1864     GUID format;
1865     CLSID id;
1866 
1867     hr = CoCreateInstance(&CLSID_WICIMDMetadataReader, NULL, CLSCTX_INPROC_SERVER,
1868                           &IID_IWICMetadataReader, (void **)&reader);
1869     ok(hr == S_OK || broken(hr == E_NOINTERFACE || hr == REGDB_E_CLASSNOTREG) /* before Win7 */,
1870        "CoCreateInstance error %#x\n", hr);
1871 
1872     stream = create_stream(IMD_data, sizeof(IMD_data));
1873 
1874     if (SUCCEEDED(hr))
1875     {
1876         pos.QuadPart = 12;
1877         hr = IStream_Seek(stream, pos, SEEK_SET, NULL);
1878         ok(hr == S_OK, "IStream_Seek error %#x\n", hr);
1879 
1880         hr = IUnknown_QueryInterface(reader, &IID_IWICPersistStream, (void **)&persist);
1881         ok(hr == S_OK, "QueryInterface error %#x\n", hr);
1882 
1883         hr = IWICPersistStream_Load(persist, stream);
1884         ok(hr == S_OK, "Load error %#x\n", hr);
1885 
1886         IWICPersistStream_Release(persist);
1887     }
1888 
1889     if (SUCCEEDED(hr))
1890     {
1891         hr = IWICMetadataReader_GetCount(reader, &count);
1892         ok(hr == S_OK, "GetCount error %#x\n", hr);
1893         ok(count == sizeof(td)/sizeof(td[0]), "unexpected count %u\n", count);
1894 
1895         compare_metadata(reader, td, count);
1896 
1897         hr = IWICMetadataReader_GetMetadataFormat(reader, &format);
1898         ok(hr == S_OK, "GetMetadataFormat error %#x\n", hr);
1899         ok(IsEqualGUID(&format, &GUID_MetadataFormatIMD), "wrong format %s\n", wine_dbgstr_guid(&format));
1900 
1901         hr = IWICMetadataReader_GetMetadataHandlerInfo(reader, &info);
1902         ok(hr == S_OK, "GetMetadataHandlerInfo error %#x\n", hr);
1903 
1904         hr = IWICMetadataHandlerInfo_GetCLSID(info, &id);
1905         ok(hr == S_OK, "GetCLSID error %#x\n", hr);
1906         ok(IsEqualGUID(&id, &CLSID_WICIMDMetadataReader), "wrong CLSID %s\n", wine_dbgstr_guid(&id));
1907 
1908         hr = IWICMetadataHandlerInfo_GetFriendlyName(info, 64, name, &dummy);
1909         ok(hr == S_OK, "GetFriendlyName error %#x\n", hr);
1910         ok(lstrcmpW(name, IMD_name) == 0, "wrong IMD reader name %s\n", wine_dbgstr_w(name));
1911 
1912         IWICMetadataHandlerInfo_Release(info);
1913         IWICMetadataReader_Release(reader);
1914     }
1915 
1916     IStream_Release(stream);
1917 }
1918 
1919 static void test_metadata_GCE(void)
1920 {
1921     static const WCHAR GCE_name[] = {'G','r','a','p','h','i','c',' ','C','o','n','t','r','o','l',' ','E','x','t','e','n','s','i','o','n',' ','R','e','a','d','e','r',0};
1922     static const char GCE_data[] = "hello world!\xa\x2\x3\x4\x5\x6\x7\x8\xed\xa\xb\xc\xd\xe\xf";
1923     static const struct test_data td[5] =
1924     {
1925         { VT_UI1, 0, 0, { 2 }, NULL, { 'D','i','s','p','o','s','a','l',0 } },
1926         { VT_BOOL, 0, 0, { 1 }, NULL, { 'U','s','e','r','I','n','p','u','t','F','l','a','g',0 } },
1927         { VT_BOOL, 0, 0, { 0 }, NULL, { 'T','r','a','n','s','p','a','r','e','n','c','y','F','l','a','g',0 } },
1928         { VT_UI2, 0, 0, { 0x302 }, NULL, { 'D','e','l','a','y',0 } },
1929         { VT_UI1, 0, 0, { 4 }, NULL, { 'T','r','a','n','s','p','a','r','e','n','t','C','o','l','o','r','I','n','d','e','x',0 } }
1930     };
1931     LARGE_INTEGER pos;
1932     HRESULT hr;
1933     IStream *stream;
1934     IWICPersistStream *persist;
1935     IWICMetadataReader *reader;
1936     IWICMetadataHandlerInfo *info;
1937     WCHAR name[64];
1938     UINT count, dummy;
1939     GUID format;
1940     CLSID id;
1941 
1942     hr = CoCreateInstance(&CLSID_WICGCEMetadataReader, NULL, CLSCTX_INPROC_SERVER,
1943                           &IID_IWICMetadataReader, (void **)&reader);
1944     ok(hr == S_OK || broken(hr == E_NOINTERFACE || hr == REGDB_E_CLASSNOTREG) /* before Win7 */,
1945        "CoCreateInstance error %#x\n", hr);
1946 
1947     stream = create_stream(GCE_data, sizeof(GCE_data));
1948 
1949     if (SUCCEEDED(hr))
1950     {
1951         pos.QuadPart = 12;
1952         hr = IStream_Seek(stream, pos, SEEK_SET, NULL);
1953         ok(hr == S_OK, "IStream_Seek error %#x\n", hr);
1954 
1955         hr = IUnknown_QueryInterface(reader, &IID_IWICPersistStream, (void **)&persist);
1956         ok(hr == S_OK, "QueryInterface error %#x\n", hr);
1957 
1958         hr = IWICPersistStream_Load(persist, stream);
1959         ok(hr == S_OK, "Load error %#x\n", hr);
1960 
1961         IWICPersistStream_Release(persist);
1962     }
1963 
1964     if (SUCCEEDED(hr))
1965     {
1966         hr = IWICMetadataReader_GetCount(reader, &count);
1967         ok(hr == S_OK, "GetCount error %#x\n", hr);
1968         ok(count == sizeof(td)/sizeof(td[0]), "unexpected count %u\n", count);
1969 
1970         compare_metadata(reader, td, count);
1971 
1972         hr = IWICMetadataReader_GetMetadataFormat(reader, &format);
1973         ok(hr == S_OK, "GetMetadataFormat error %#x\n", hr);
1974         ok(IsEqualGUID(&format, &GUID_MetadataFormatGCE), "wrong format %s\n", wine_dbgstr_guid(&format));
1975 
1976         hr = IWICMetadataReader_GetMetadataHandlerInfo(reader, &info);
1977         ok(hr == S_OK, "GetMetadataHandlerInfo error %#x\n", hr);
1978 
1979         hr = IWICMetadataHandlerInfo_GetCLSID(info, &id);
1980         ok(hr == S_OK, "GetCLSID error %#x\n", hr);
1981         ok(IsEqualGUID(&id, &CLSID_WICGCEMetadataReader), "wrong CLSID %s\n", wine_dbgstr_guid(&id));
1982 
1983         hr = IWICMetadataHandlerInfo_GetFriendlyName(info, 64, name, &dummy);
1984         ok(hr == S_OK, "GetFriendlyName error %#x\n", hr);
1985         ok(lstrcmpW(name, GCE_name) == 0, "wrong GCE reader name %s\n", wine_dbgstr_w(name));
1986 
1987         IWICMetadataHandlerInfo_Release(info);
1988         IWICMetadataReader_Release(reader);
1989     }
1990 
1991     IStream_Release(stream);
1992 }
1993 
1994 static void test_metadata_APE(void)
1995 {
1996     static const WCHAR APE_name[] = {'A','p','p','l','i','c','a','t','i','o','n',' ','E','x','t','e','n','s','i','o','n',' ','R','e','a','d','e','r',0};
1997     static const char APE_data[] = { 0x21,0xff,0x0b,'H','e','l','l','o',' ','W','o','r','l','d',
1998                                      /*sub-block*/1,0x11,
1999                                      /*sub-block*/2,0x22,0x33,
2000                                      /*sub-block*/4,0x44,0x55,0x66,0x77,
2001                                      /*terminator*/0 };
2002     static const struct test_data td[2] =
2003     {
2004         { VT_UI1|VT_VECTOR, 0, 11, { 'H','e','l','l','o',' ','W','o','r','l','d' }, NULL, { 'A','p','p','l','i','c','a','t','i','o','n',0 } },
2005         { VT_UI1|VT_VECTOR, 0, 10, { 1,0x11,2,0x22,0x33,4,0x44,0x55,0x66,0x77 }, NULL, { 'D','a','t','a',0 } }
2006     };
2007     WCHAR dataW[] = { 'd','a','t','a',0 };
2008     HRESULT hr;
2009     IStream *stream;
2010     IWICPersistStream *persist;
2011     IWICMetadataReader *reader;
2012     IWICMetadataHandlerInfo *info;
2013     WCHAR name[64];
2014     UINT count, dummy, i;
2015     GUID format;
2016     CLSID clsid;
2017     PROPVARIANT id, value;
2018 
2019     hr = CoCreateInstance(&CLSID_WICAPEMetadataReader, NULL, CLSCTX_INPROC_SERVER,
2020                           &IID_IWICMetadataReader, (void **)&reader);
2021     ok(hr == S_OK || broken(hr == E_NOINTERFACE || hr == REGDB_E_CLASSNOTREG) /* before Win7 */,
2022        "CoCreateInstance error %#x\n", hr);
2023 
2024     stream = create_stream(APE_data, sizeof(APE_data));
2025 
2026     if (SUCCEEDED(hr))
2027     {
2028         hr = IUnknown_QueryInterface(reader, &IID_IWICPersistStream, (void **)&persist);
2029         ok(hr == S_OK, "QueryInterface error %#x\n", hr);
2030 
2031         hr = IWICPersistStream_Load(persist, stream);
2032         ok(hr == S_OK, "Load error %#x\n", hr);
2033 
2034         IWICPersistStream_Release(persist);
2035     }
2036 
2037     if (SUCCEEDED(hr))
2038     {
2039         hr = IWICMetadataReader_GetCount(reader, &count);
2040         ok(hr == S_OK, "GetCount error %#x\n", hr);
2041         ok(count == sizeof(td)/sizeof(td[0]), "unexpected count %u\n", count);
2042 
2043         compare_metadata(reader, td, count);
2044 
2045         hr = IWICMetadataReader_GetMetadataFormat(reader, &format);
2046         ok(hr == S_OK, "GetMetadataFormat error %#x\n", hr);
2047         ok(IsEqualGUID(&format, &GUID_MetadataFormatAPE), "wrong format %s\n", wine_dbgstr_guid(&format));
2048 
2049         PropVariantInit(&value);
2050         id.vt = VT_LPWSTR;
2051         U(id).pwszVal = dataW;
2052 
2053         hr = IWICMetadataReader_GetValue(reader, NULL, &id, &value);
2054         ok(hr == S_OK, "GetValue error %#x\n", hr);
2055         ok(value.vt == (VT_UI1|VT_VECTOR), "unexpected vt: %i\n", id.vt);
2056         ok(td[1].count == U(value).caub.cElems, "expected cElems %d, got %d\n", td[1].count, U(value).caub.cElems);
2057         for (i = 0; i < U(value).caub.cElems; i++)
2058             ok(td[1].value[i] == U(value).caub.pElems[i], "%u: expected value %#x/%#x, got %#x\n", i, (ULONG)td[1].value[i], (ULONG)(td[1].value[i] >> 32), U(value).caub.pElems[i]);
2059         PropVariantClear(&value);
2060 
2061         hr = IWICMetadataReader_GetMetadataHandlerInfo(reader, &info);
2062         ok(hr == S_OK, "GetMetadataHandlerInfo error %#x\n", hr);
2063 
2064         hr = IWICMetadataHandlerInfo_GetCLSID(info, &clsid);
2065         ok(hr == S_OK, "GetCLSID error %#x\n", hr);
2066         ok(IsEqualGUID(&clsid, &CLSID_WICAPEMetadataReader), "wrong CLSID %s\n", wine_dbgstr_guid(&clsid));
2067 
2068         hr = IWICMetadataHandlerInfo_GetFriendlyName(info, 64, name, &dummy);
2069         ok(hr == S_OK, "GetFriendlyName error %#x\n", hr);
2070         ok(lstrcmpW(name, APE_name) == 0, "wrong APE reader name %s\n", wine_dbgstr_w(name));
2071 
2072         IWICMetadataHandlerInfo_Release(info);
2073         IWICMetadataReader_Release(reader);
2074     }
2075 
2076     IStream_Release(stream);
2077 }
2078 
2079 static void test_metadata_GIF_comment(void)
2080 {
2081     static const WCHAR GIF_comment_name[] = {'C','o','m','m','e','n','t',' ','E','x','t','e','n','s','i','o','n',' ','R','e','a','d','e','r',0};
2082     static const char GIF_comment_data[] = { 0x21,0xfe,
2083                                              /*sub-block*/5,'H','e','l','l','o',
2084                                              /*sub-block*/1,' ',
2085                                              /*sub-block*/6,'W','o','r','l','d','!',
2086                                              /*terminator*/0 };
2087     static const struct test_data td[1] =
2088     {
2089         { VT_LPSTR, 0, 12, { 0 }, "Hello World!", { 'T','e','x','t','E','n','t','r','y',0 } }
2090     };
2091     WCHAR text_entryW[] = { 'T','E','X','T','E','N','T','R','Y',0 };
2092     HRESULT hr;
2093     IStream *stream;
2094     IWICPersistStream *persist;
2095     IWICMetadataReader *reader;
2096     IWICMetadataHandlerInfo *info;
2097     WCHAR name[64];
2098     UINT count, dummy;
2099     GUID format;
2100     CLSID clsid;
2101     PROPVARIANT id, value;
2102 
2103     hr = CoCreateInstance(&CLSID_WICGifCommentMetadataReader, NULL, CLSCTX_INPROC_SERVER,
2104                           &IID_IWICMetadataReader, (void **)&reader);
2105     ok(hr == S_OK || broken(hr == E_NOINTERFACE || hr == REGDB_E_CLASSNOTREG) /* before Win7 */,
2106        "CoCreateInstance error %#x\n", hr);
2107 
2108     stream = create_stream(GIF_comment_data, sizeof(GIF_comment_data));
2109 
2110     if (SUCCEEDED(hr))
2111     {
2112         hr = IUnknown_QueryInterface(reader, &IID_IWICPersistStream, (void **)&persist);
2113         ok(hr == S_OK, "QueryInterface error %#x\n", hr);
2114 
2115         hr = IWICPersistStream_Load(persist, stream);
2116         ok(hr == S_OK, "Load error %#x\n", hr);
2117 
2118         IWICPersistStream_Release(persist);
2119     }
2120 
2121     if (SUCCEEDED(hr))
2122     {
2123         hr = IWICMetadataReader_GetCount(reader, &count);
2124         ok(hr == S_OK, "GetCount error %#x\n", hr);
2125         ok(count == sizeof(td)/sizeof(td[0]), "unexpected count %u\n", count);
2126 
2127         compare_metadata(reader, td, count);
2128 
2129         hr = IWICMetadataReader_GetMetadataFormat(reader, &format);
2130         ok(hr == S_OK, "GetMetadataFormat error %#x\n", hr);
2131         ok(IsEqualGUID(&format, &GUID_MetadataFormatGifComment), "wrong format %s\n", wine_dbgstr_guid(&format));
2132 
2133         PropVariantInit(&value);
2134         id.vt = VT_LPWSTR;
2135         U(id).pwszVal = text_entryW;
2136 
2137         hr = IWICMetadataReader_GetValue(reader, NULL, &id, &value);
2138         ok(hr == S_OK, "GetValue error %#x\n", hr);
2139         ok(value.vt == VT_LPSTR, "unexpected vt: %i\n", id.vt);
2140         ok(!strcmp(U(value).pszVal, "Hello World!"), "unexpected value: %s\n", U(value).pszVal);
2141         PropVariantClear(&value);
2142 
2143         hr = IWICMetadataReader_GetMetadataHandlerInfo(reader, &info);
2144         ok(hr == S_OK, "GetMetadataHandlerInfo error %#x\n", hr);
2145 
2146         hr = IWICMetadataHandlerInfo_GetCLSID(info, &clsid);
2147         ok(hr == S_OK, "GetCLSID error %#x\n", hr);
2148         ok(IsEqualGUID(&clsid, &CLSID_WICGifCommentMetadataReader), "wrong CLSID %s\n", wine_dbgstr_guid(&clsid));
2149 
2150         hr = IWICMetadataHandlerInfo_GetFriendlyName(info, 64, name, &dummy);
2151         ok(hr == S_OK, "GetFriendlyName error %#x\n", hr);
2152         ok(lstrcmpW(name, GIF_comment_name) == 0, "wrong APE reader name %s\n", wine_dbgstr_w(name));
2153 
2154         IWICMetadataHandlerInfo_Release(info);
2155         IWICMetadataReader_Release(reader);
2156     }
2157 
2158     IStream_Release(stream);
2159 }
2160 
2161 static void test_WICMapGuidToShortName(void)
2162 {
2163     static const WCHAR unkW[] = { 'u','n','k',0 };
2164     static const WCHAR unknownW[] = { 'u','n','k','n','o','w','n',0 };
2165     HRESULT hr;
2166     UINT len;
2167     WCHAR name[16];
2168 
2169     name[0] = 0;
2170     len = 0xdeadbeef;
2171     hr = WICMapGuidToShortName(&GUID_MetadataFormatUnknown, 8, name, &len);
2172     ok(hr == S_OK, "got %#x\n", hr);
2173     ok(len == 8, "got %u\n", len);
2174     ok(!lstrcmpW(name, unknownW), "got %s\n", wine_dbgstr_w(name));
2175 
2176     name[0] = 0;
2177     hr = WICMapGuidToShortName(&GUID_MetadataFormatUnknown, 8, name, NULL);
2178     ok(hr == S_OK, "got %#x\n", hr);
2179     ok(!lstrcmpW(name, unknownW), "got %s\n", wine_dbgstr_w(name));
2180 
2181     len = 0xdeadbeef;
2182     hr = WICMapGuidToShortName(&GUID_MetadataFormatUnknown, 8, NULL, &len);
2183     ok(hr == S_OK, "got %#x\n", hr);
2184     ok(len == 8, "got %u\n", len);
2185 
2186     len = 0xdeadbeef;
2187     hr = WICMapGuidToShortName(&GUID_MetadataFormatUnknown, 0, NULL, &len);
2188     ok(hr == S_OK, "got %#x\n", hr);
2189     ok(len == 8, "got %u\n", len);
2190 
2191     hr = WICMapGuidToShortName(&GUID_MetadataFormatUnknown, 0, NULL, NULL);
2192     ok(hr == S_OK, "got %#x\n", hr);
2193 
2194     hr = WICMapGuidToShortName(&GUID_MetadataFormatUnknown, 8, NULL, NULL);
2195     ok(hr == S_OK, "got %#x\n", hr);
2196 
2197     hr = WICMapGuidToShortName(&GUID_NULL, 0, NULL, NULL);
2198     ok(hr == WINCODEC_ERR_PROPERTYNOTFOUND, "got %#x\n", hr);
2199 
2200     name[0] = 0;
2201     len = 0xdeadbeef;
2202     hr = WICMapGuidToShortName(&GUID_MetadataFormatUnknown, 4, name, &len);
2203     ok(hr == HRESULT_FROM_WIN32(ERROR_INSUFFICIENT_BUFFER), "got %#x\n", hr);
2204     ok(len == 0xdeadbeef, "got %u\n", len);
2205     ok(!lstrcmpW(name, unkW), "got %s\n", wine_dbgstr_w(name));
2206 
2207     name[0] = 0;
2208     len = 0xdeadbeef;
2209     hr = WICMapGuidToShortName(&GUID_MetadataFormatUnknown, 0, name, &len);
2210     ok(hr == E_INVALIDARG, "got %#x\n", hr);
2211     ok(len == 0xdeadbeef, "got %u\n", len);
2212     ok(!name[0], "got %s\n", wine_dbgstr_w(name));
2213 
2214     hr = WICMapGuidToShortName(NULL, 8, name, NULL);
2215     ok(hr == E_INVALIDARG, "got %#x\n", hr);
2216 }
2217 
2218 static void test_WICMapShortNameToGuid(void)
2219 {
2220     static const WCHAR unkW[] = { 'u','n','k',0 };
2221     static const WCHAR xmpW[] = { 'x','m','p',0 };
2222     static const WCHAR XmPW[] = { 'X','m','P',0 };
2223     static const WCHAR unknownW[] = { 'u','n','k','n','o','w','n',0 };
2224     HRESULT hr;
2225     GUID guid;
2226 
2227     hr = WICMapShortNameToGuid(NULL, NULL);
2228     ok(hr == E_INVALIDARG, "got %#x\n", hr);
2229 
2230     hr = WICMapShortNameToGuid(NULL, &guid);
2231     ok(hr == E_INVALIDARG, "got %#x\n", hr);
2232 
2233     hr = WICMapShortNameToGuid(unknownW, NULL);
2234     ok(hr == E_INVALIDARG, "got %#x\n", hr);
2235 
2236     hr = WICMapShortNameToGuid(unkW, &guid);
2237     ok(hr == WINCODEC_ERR_PROPERTYNOTFOUND, "got %#x\n", hr);
2238 
2239     hr = WICMapShortNameToGuid(unknownW, &guid);
2240     ok(hr == S_OK, "got %#x\n", hr);
2241     ok(IsEqualGUID(&guid, &GUID_MetadataFormatUnknown), "got %s\n", wine_dbgstr_guid(&guid));
2242 
2243     hr = WICMapShortNameToGuid(xmpW, &guid);
2244     ok(hr == S_OK, "got %#x\n", hr);
2245     ok(IsEqualGUID(&guid, &GUID_MetadataFormatXMP), "got %s\n", wine_dbgstr_guid(&guid));
2246 
2247     guid = GUID_NULL;
2248     hr = WICMapShortNameToGuid(XmPW, &guid);
2249     ok(hr == S_OK, "got %#x\n", hr);
2250     ok(IsEqualGUID(&guid, &GUID_MetadataFormatXMP), "got %s\n", wine_dbgstr_guid(&guid));
2251 }
2252 
2253 static const GUID *guid_list[] =
2254 {
2255     &GUID_ContainerFormatBmp,
2256     &GUID_ContainerFormatPng,
2257     &GUID_ContainerFormatIco,
2258     &GUID_ContainerFormatJpeg,
2259     &GUID_ContainerFormatTiff,
2260     &GUID_ContainerFormatGif,
2261     &GUID_ContainerFormatWmp,
2262     &GUID_MetadataFormatUnknown,
2263     &GUID_MetadataFormatIfd,
2264     &GUID_MetadataFormatSubIfd,
2265     &GUID_MetadataFormatExif,
2266     &GUID_MetadataFormatGps,
2267     &GUID_MetadataFormatInterop,
2268     &GUID_MetadataFormatApp0,
2269     &GUID_MetadataFormatApp1,
2270     &GUID_MetadataFormatApp13,
2271     &GUID_MetadataFormatIPTC,
2272     &GUID_MetadataFormatIRB,
2273     &GUID_MetadataFormat8BIMIPTC,
2274     &GUID_MetadataFormat8BIMResolutionInfo,
2275     &GUID_MetadataFormat8BIMIPTCDigest,
2276     &GUID_MetadataFormatXMP,
2277     &GUID_MetadataFormatThumbnail,
2278     &GUID_MetadataFormatChunktEXt,
2279     &GUID_MetadataFormatXMPStruct,
2280     &GUID_MetadataFormatXMPBag,
2281     &GUID_MetadataFormatXMPSeq,
2282     &GUID_MetadataFormatXMPAlt,
2283     &GUID_MetadataFormatLSD,
2284     &GUID_MetadataFormatIMD,
2285     &GUID_MetadataFormatGCE,
2286     &GUID_MetadataFormatAPE,
2287     &GUID_MetadataFormatJpegChrominance,
2288     &GUID_MetadataFormatJpegLuminance,
2289     &GUID_MetadataFormatJpegComment,
2290     &GUID_MetadataFormatGifComment,
2291     &GUID_MetadataFormatChunkgAMA,
2292     &GUID_MetadataFormatChunkbKGD,
2293     &GUID_MetadataFormatChunkiTXt,
2294     &GUID_MetadataFormatChunkcHRM,
2295     &GUID_MetadataFormatChunkhIST,
2296     &GUID_MetadataFormatChunkiCCP,
2297     &GUID_MetadataFormatChunksRGB,
2298     &GUID_MetadataFormatChunktIME
2299 };
2300 
2301 static WCHAR rdf_scheme[] = { 'h','t','t','p',':','/','/','w','w','w','.','w','3','.','o','r','g','/','1','9','9','9','/','0','2','/','2','2','-','r','d','f','-','s','y','n','t','a','x','-','n','s','#',0 };
2302 static WCHAR dc_scheme[] = { 'h','t','t','p',':','/','/','p','u','r','l','.','o','r','g','/','d','c','/','e','l','e','m','e','n','t','s','/','1','.','1','/',0 };
2303 static WCHAR xmp_scheme[] = { 'h','t','t','p',':','/','/','n','s','.','a','d','o','b','e','.','c','o','m','/','x','a','p','/','1','.','0','/',0 };
2304 static WCHAR xmpidq_scheme[] = { 'h','t','t','p',':','/','/','n','s','.','a','d','o','b','e','.','c','o','m','/','x','m','p','/','I','d','e','n','t','i','f','i','e','r','/','q','u','a','l','/','1','.','0','/',0 };
2305 static WCHAR xmpRights_scheme[] = { 'h','t','t','p',':','/','/','n','s','.','a','d','o','b','e','.','c','o','m','/','x','a','p','/','1','.','0','/','r','i','g','h','t','s','/',0 };
2306 static WCHAR xmpMM_scheme[] = { 'h','t','t','p',':','/','/','n','s','.','a','d','o','b','e','.','c','o','m','/','x','a','p','/','1','.','0','/','m','m','/',0 };
2307 static WCHAR xmpBJ_scheme[] = { 'h','t','t','p',':','/','/','n','s','.','a','d','o','b','e','.','c','o','m','/','x','a','p','/','1','.','0','/','b','j','/',0 };
2308 static WCHAR xmpTPg_scheme[] = { 'h','t','t','p',':','/','/','n','s','.','a','d','o','b','e','.','c','o','m','/','x','a','p','/','1','.','0','/','t','/','p','g','/',0 };
2309 static WCHAR pdf_scheme[] = { 'h','t','t','p',':','/','/','n','s','.','a','d','o','b','e','.','c','o','m','/','p','d','f','/','1','.','3','/',0 };
2310 static WCHAR photoshop_scheme[] = { 'h','t','t','p',':','/','/','n','s','.','a','d','o','b','e','.','c','o','m','/','p','h','o','t','o','s','h','o','p','/','1','.','0','/',0 };
2311 static WCHAR tiff_scheme[] = { 'h','t','t','p',':','/','/','n','s','.','a','d','o','b','e','.','c','o','m','/','t','i','f','f','/','1','.','0','/',0 };
2312 static WCHAR exif_scheme[] = { 'h','t','t','p',':','/','/','n','s','.','a','d','o','b','e','.','c','o','m','/','e','x','i','f','/','1','.','0','/',0 };
2313 static WCHAR stDim_scheme[] = { 'h','t','t','p',':','/','/','n','s','.','a','d','o','b','e','.','c','o','m','/','x','a','p','/','1','.','0','/','s','T','y','p','e','/','D','i','m','e','n','s','i','o','n','s','#',0 };
2314 static WCHAR xapGImg_scheme[] = { 'h','t','t','p',':','/','/','n','s','.','a','d','o','b','e','.','c','o','m','/','x','a','p','/','1','.','0','/','g','/','i','m','g','/',0 };
2315 static WCHAR stEvt_scheme[] = { 'h','t','t','p',':','/','/','n','s','.','a','d','o','b','e','.','c','o','m','/','x','a','p','/','1','.','0','/','s','T','y','p','e','/','R','e','s','o','u','r','c','e','E','v','e','n','t','#',0 };
2316 static WCHAR stRef_scheme[] = { 'h','t','t','p',':','/','/','n','s','.','a','d','o','b','e','.','c','o','m','/','x','a','p','/','1','.','0','/','s','T','y','p','e','/','R','e','s','o','u','r','c','e','R','e','f','#',0 };
2317 static WCHAR stVer_scheme[] = { 'h','t','t','p',':','/','/','n','s','.','a','d','o','b','e','.','c','o','m','/','x','a','p','/','1','.','0','/','s','T','y','p','e','/','V','e','r','s','i','o','n','#',0 };
2318 static WCHAR stJob_scheme[] = { 'h','t','t','p',':','/','/','n','s','.','a','d','o','b','e','.','c','o','m','/','x','a','p','/','1','.','0','/','s','T','y','p','e','/','J','o','b','#',0 };
2319 static WCHAR aux_scheme[] = { 'h','t','t','p',':','/','/','n','s','.','a','d','o','b','e','.','c','o','m','/','e','x','i','f','/','1','.','0','/','a','u','x','/',0 };
2320 static WCHAR crs_scheme[] = { 'h','t','t','p',':','/','/','n','s','.','a','d','o','b','e','.','c','o','m','/','c','a','m','e','r','a','-','r','a','w','-','s','e','t','t','i','n','g','s','/','1','.','0','/',0 };
2321 static WCHAR xmpDM_scheme[] = { 'h','t','t','p',':','/','/','n','s','.','a','d','o','b','e','.','c','o','m','/','x','m','p','/','1','.','0','/','D','y','n','a','m','i','c','M','e','d','i','a','/',0 };
2322 static WCHAR Iptc4xmpCore_scheme[] = { 'h','t','t','p',':','/','/','i','p','t','c','.','o','r','g','/','s','t','d','/','I','p','t','c','4','x','m','p','C','o','r','e','/','1','.','0','/','x','m','l','n','s','/',0 };
2323 static WCHAR MicrosoftPhoto_scheme[] = { 'h','t','t','p',':','/','/','n','s','.','m','i','c','r','o','s','o','f','t','.','c','o','m','/','p','h','o','t','o','/','1','.','0','/',0 };
2324 static WCHAR MP_scheme[] = { 'h','t','t','p',':','/','/','n','s','.','m','i','c','r','o','s','o','f','t','.','c','o','m','/','p','h','o','t','o','/','1','.','2','/',0 };
2325 static WCHAR MPRI_scheme[] = { 'h','t','t','p',':','/','/','n','s','.','m','i','c','r','o','s','o','f','t','.','c','o','m','/','p','h','o','t','o','/','1','.','2','/','t','/','R','e','g','i','o','n','I','n','f','o','#',0 };
2326 static WCHAR MPReg_scheme[] = { 'h','t','t','p',':','/','/','n','s','.','m','i','c','r','o','s','o','f','t','.','c','o','m','/','p','h','o','t','o','/','1','.','2','/','t','/','R','e','g','i','o','n','#',0 };
2327 
2328 static WCHAR *schema_list[] =
2329 {
2330     aux_scheme,
2331     rdf_scheme,
2332     dc_scheme,
2333     xmp_scheme,
2334     xmpidq_scheme,
2335     xmpRights_scheme,
2336     xmpMM_scheme,
2337     xmpBJ_scheme,
2338     xmpTPg_scheme,
2339     pdf_scheme,
2340     photoshop_scheme,
2341     tiff_scheme,
2342     exif_scheme,
2343     stDim_scheme,
2344     xapGImg_scheme,
2345     stEvt_scheme,
2346     stRef_scheme,
2347     stVer_scheme,
2348     stJob_scheme,
2349     crs_scheme,
2350     xmpDM_scheme,
2351     Iptc4xmpCore_scheme,
2352     MicrosoftPhoto_scheme,
2353     MP_scheme,
2354     MPRI_scheme,
2355     MPReg_scheme
2356 };
2357 
2358 static void test_WICMapSchemaToName(void)
2359 {
2360     static const WCHAR xmW[] = { 'x','m',0 };
2361     static const WCHAR xmpW[] = { 'x','m','p',0 };
2362     static WCHAR schemaW[] = { 'h','t','t','p',':','/','/','n','s','.','a','d','o','b','e','.','c','o','m','/','x','a','p','/','1','.','0','/',0 };
2363     static WCHAR SCHEMAW[] = { 'H','T','T','P',':','/','/','n','s','.','a','d','o','b','e','.','c','o','m','/','x','a','p','/','1','.','0','/',0 };
2364     HRESULT hr;
2365     UINT len, i, j;
2366     WCHAR name[16];
2367 
2368     hr = WICMapSchemaToName(&GUID_MetadataFormatUnknown, NULL, 0, NULL, NULL);
2369     ok(hr == E_INVALIDARG, "got %#x\n", hr);
2370 
2371     hr = WICMapSchemaToName(&GUID_MetadataFormatUnknown, schemaW, 0, NULL, NULL);
2372     ok(hr == E_INVALIDARG, "got %#x\n", hr);
2373 
2374     hr = WICMapSchemaToName(&GUID_MetadataFormatUnknown, schemaW, 0, NULL, &len);
2375     ok(hr == WINCODEC_ERR_PROPERTYNOTFOUND, "got %#x\n", hr);
2376 
2377     hr = WICMapSchemaToName(NULL, schemaW, 0, NULL, &len);
2378     ok(hr == E_INVALIDARG, "got %#x\n", hr);
2379 
2380     hr = WICMapSchemaToName(&GUID_MetadataFormatXMP, schemaW, 0, NULL, NULL);
2381     ok(hr == E_INVALIDARG, "got %#x\n", hr);
2382 
2383     len = 0xdeadbeef;
2384     hr = WICMapSchemaToName(&GUID_MetadataFormatXMP, schemaW, 0, NULL, &len);
2385     ok(hr == S_OK, "got %#x\n", hr);
2386     ok(len == 4, "got %u\n", len);
2387 
2388     len = 0xdeadbeef;
2389     hr = WICMapSchemaToName(&GUID_MetadataFormatXMP, schemaW, 4, NULL, &len);
2390     ok(hr == S_OK, "got %#x\n", hr);
2391     ok(len == 4, "got %u\n", len);
2392 
2393     len = 0xdeadbeef;
2394     hr = WICMapSchemaToName(&GUID_MetadataFormatXMP, SCHEMAW, 0, NULL, &len);
2395     ok(hr == WINCODEC_ERR_PROPERTYNOTFOUND, "got %#x\n", hr);
2396     ok(len == 0xdeadbeef, "got %u\n", len);
2397 
2398     name[0] = 0;
2399     len = 0xdeadbeef;
2400     hr = WICMapSchemaToName(&GUID_MetadataFormatXMP, schemaW, 4, name, &len);
2401     ok(hr == S_OK, "got %#x\n", hr);
2402     ok(len == 4, "got %u\n", len);
2403     ok(!lstrcmpW(name, xmpW), "got %s\n", wine_dbgstr_w(name));
2404 
2405     len = 0xdeadbeef;
2406     hr = WICMapSchemaToName(&GUID_MetadataFormatXMP, schemaW, 0, name, &len);
2407     ok(hr == E_INVALIDARG, "got %#x\n", hr);
2408     ok(len == 0xdeadbeef, "got %u\n", len);
2409 
2410     name[0] = 0;
2411     len = 0xdeadbeef;
2412     hr = WICMapSchemaToName(&GUID_MetadataFormatXMP, schemaW, 3, name, &len);
2413     ok(hr == HRESULT_FROM_WIN32(ERROR_INSUFFICIENT_BUFFER), "got %#x\n", hr);
2414     ok(len == 0xdeadbeef, "got %u\n", len);
2415     ok(!lstrcmpW(name, xmW), "got %s\n", wine_dbgstr_w(name));
2416 
2417     hr = WICMapSchemaToName(&GUID_MetadataFormatXMP, schemaW, 4, name, NULL);
2418     ok(hr == E_INVALIDARG, "got %#x\n", hr);
2419 
2420     /* Check whether modern schemas are supported */
2421     hr = WICMapSchemaToName(&GUID_MetadataFormatXMP, schema_list[0], 0, NULL, &len);
2422     if (hr == WINCODEC_ERR_PROPERTYNOTFOUND)
2423     {
2424         win_skip("Modern schemas are not supported\n");
2425         return;
2426     }
2427 
2428     for (i = 0; i < sizeof(guid_list)/sizeof(guid_list[0]); i++)
2429     {
2430         for (j = 0; j < sizeof(schema_list)/sizeof(schema_list[0]); j++)
2431         {
2432             hr = WICMapSchemaToName(guid_list[i], schema_list[j], 0, NULL, &len);
2433             if (IsEqualGUID(guid_list[i], &GUID_MetadataFormatXMP) ||
2434                 IsEqualGUID(guid_list[i], &GUID_MetadataFormatXMPStruct))
2435             {
2436                 ok(hr == S_OK, "%u: %u: format %s does not support schema %s\n",
2437                    i, j, wine_dbgstr_guid(guid_list[i]), wine_dbgstr_w(schema_list[j]));
2438             }
2439             else
2440             {
2441                 ok(hr == WINCODEC_ERR_PROPERTYNOTFOUND, "%u: %u: format %s supports schema %s\n",
2442                    i, j, wine_dbgstr_guid(guid_list[i]), wine_dbgstr_w(schema_list[j]));
2443             }
2444         }
2445     }
2446 }
2447 
2448 struct metadata_item
2449 {
2450     const char *schema, *id_str;
2451     UINT id, type, value;
2452 };
2453 
2454 struct metadata_block
2455 {
2456     const GUID *metadata_format;
2457     UINT count;
2458     const struct metadata_item *item;
2459 };
2460 
2461 struct metadata
2462 {
2463     const GUID *container_format;
2464     UINT count;
2465     const struct metadata_block *block;
2466 };
2467 
2468 static const struct metadata *current_metadata;
2469 static const struct metadata_block *current_metadata_block;
2470 
2471 static char the_best[] = "The Best";
2472 static char the_worst[] = "The Worst";
2473 
2474 static HRESULT WINAPI mdr_QueryInterface(IWICMetadataReader *iface, REFIID iid, void **out)
2475 {
2476     trace("%p,%s,%p\n", iface, wine_dbgstr_guid(iid), out);
2477 
2478     if (IsEqualIID(iid, &IID_IUnknown) ||
2479         IsEqualIID(iid, &IID_IWICMetadataReader))
2480     {
2481         *out = iface;
2482         return S_OK;
2483     }
2484 
2485     ok(0, "unknown iid %s\n", wine_dbgstr_guid(iid));
2486 
2487     *out = NULL;
2488     return E_NOINTERFACE;
2489 }
2490 
2491 static ULONG WINAPI mdr_AddRef(IWICMetadataReader *iface)
2492 {
2493     return 2;
2494 }
2495 
2496 static ULONG WINAPI mdr_Release(IWICMetadataReader *iface)
2497 {
2498     return 1;
2499 }
2500 
2501 static HRESULT WINAPI mdr_GetMetadataFormat(IWICMetadataReader *iface, GUID *format)
2502 {
2503     trace("%p,%p\n", iface, format);
2504 
2505     ok(current_metadata_block != NULL, "current_metadata_block can't be NULL\n");
2506     if (!current_metadata_block) return E_POINTER;
2507 
2508     *format = *current_metadata_block->metadata_format;
2509     return S_OK;
2510 }
2511 
2512 static HRESULT WINAPI mdr_GetMetadataHandlerInfo(IWICMetadataReader *iface, IWICMetadataHandlerInfo **handler)
2513 {
2514     ok(0, "not implemented\n");
2515     return E_NOTIMPL;
2516 }
2517 
2518 static HRESULT WINAPI mdr_GetCount(IWICMetadataReader *iface, UINT *count)
2519 {
2520     trace("%p,%p\n", iface, count);
2521 
2522     ok(current_metadata_block != NULL, "current_metadata_block can't be NULL\n");
2523     if (!current_metadata_block) return E_POINTER;
2524 
2525     *count = current_metadata_block->count;
2526     return S_OK;
2527 }
2528 
2529 static HRESULT WINAPI mdr_GetValueByIndex(IWICMetadataReader *iface, UINT index, PROPVARIANT *schema, PROPVARIANT *id, PROPVARIANT *value)
2530 {
2531     ok(0, "not implemented\n");
2532     return E_NOTIMPL;
2533 }
2534 
2535 static char *get_temp_buffer(int size)
2536 {
2537     static char buf[16][256];
2538     static int idx;
2539     char *p;
2540 
2541     assert(size < 256);
2542 
2543     p = buf[idx & 0x0f];
2544     idx++;
2545     return p;
2546 }
2547 
2548 static const char *wine_dbgstr_propvariant(const PROPVARIANT *var)
2549 {
2550     char *ret;
2551 
2552     if (!var) return "(null)";
2553 
2554     switch (var->vt)
2555     {
2556     case VT_LPWSTR:
2557         ret = get_temp_buffer(lstrlenW(U(*var).pwszVal) + 16);
2558         sprintf(ret, "(VT_LPWSTR:%s)", wine_dbgstr_w(U(*var).pwszVal));
2559         break;
2560 
2561     case VT_LPSTR:
2562         ret = get_temp_buffer(lstrlenA(U(*var).pszVal) + 16);
2563         sprintf(ret, "(VT_LPSTR:%s)", U(*var).pszVal);
2564         break;
2565 
2566     default:
2567         ret = get_temp_buffer(16);
2568         sprintf(ret, "(vt:%u)", var->vt);
2569         break;
2570     }
2571 
2572     return ret;
2573 }
2574 
2575 static int propvar_cmp(const PROPVARIANT *v1, LONGLONG value2)
2576 {
2577     LONGLONG value1;
2578 
2579     if (PropVariantToInt64(v1, &value1) != S_OK) return -1;
2580 
2581     value1 -= value2;
2582     if (value1) return value1 < 0 ? -1 : 1;
2583     return 0;
2584 }
2585 
2586 static HRESULT WINAPI mdr_GetValue(IWICMetadataReader *iface, const PROPVARIANT *schema, const PROPVARIANT *id, PROPVARIANT *value)
2587 {
2588     UINT i;
2589 
2590     trace("%p,%s,%s,%s\n", iface, wine_dbgstr_propvariant(schema), wine_dbgstr_propvariant(id), wine_dbgstr_propvariant(value));
2591 
2592     ok(current_metadata_block != NULL, "current_metadata_block can't be NULL\n");
2593     if (!current_metadata_block) return E_POINTER;
2594 
2595     ok(schema != NULL && id != NULL && value != NULL, "%p, %p, %p should not be NULL\n", schema, id, value);
2596 
2597     for (i = 0; i < current_metadata_block->count; i++)
2598     {
2599         if (schema->vt != VT_EMPTY)
2600         {
2601             if (!current_metadata_block->item[i].schema)
2602                 continue;
2603 
2604             switch (schema->vt)
2605             {
2606             case VT_LPSTR:
2607                 if (lstrcmpA(U(*schema).pszVal, current_metadata_block->item[i].schema) != 0)
2608                     continue;
2609                 break;
2610 
2611             case VT_LPWSTR:
2612             {
2613                 char schemaA[256];
2614                 WideCharToMultiByte(CP_ACP, 0, U(*schema).pwszVal, -1, schemaA, sizeof(schemaA), NULL, NULL);
2615                 if (lstrcmpA(schemaA, current_metadata_block->item[i].schema) != 0)
2616                     continue;
2617                 break;
2618             }
2619 
2620             default:
2621                 ok(0, "unsupported schema vt %u\n", schema->vt);
2622                 continue;
2623             }
2624         }
2625         else if (current_metadata_block->item[i].schema)
2626             continue;
2627 
2628         switch (id->vt)
2629         {
2630         case VT_LPSTR:
2631             if (current_metadata_block->item[i].id_str)
2632             {
2633                 if (!lstrcmpA(U(*id).pszVal, current_metadata_block->item[i].id_str))
2634                 {
2635                     value->vt = VT_LPSTR;
2636                     U(*value).pszVal = the_best;
2637                     return S_OK;
2638                 }
2639                 break;
2640             }
2641             break;
2642 
2643         case VT_LPWSTR:
2644             if (current_metadata_block->item[i].id_str)
2645             {
2646                 char idA[256];
2647                 WideCharToMultiByte(CP_ACP, 0, U(*id).pwszVal, -1, idA, sizeof(idA), NULL, NULL);
2648                 if (!lstrcmpA(idA, current_metadata_block->item[i].id_str))
2649                 {
2650                     value->vt = VT_LPSTR;
2651                     U(*value).pszVal = the_worst;
2652                     return S_OK;
2653                 }
2654                 break;
2655             }
2656             break;
2657 
2658         case VT_CLSID:
2659             if (IsEqualGUID(U(*id).puuid, &GUID_MetadataFormatXMP) ||
2660                 IsEqualGUID(U(*id).puuid, &GUID_ContainerFormatTiff))
2661             {
2662                 value->vt = VT_UNKNOWN;
2663                 value->punkVal = (IUnknown *)iface;
2664                 return S_OK;
2665             }
2666             break;
2667 
2668         default:
2669             if (!propvar_cmp(id, current_metadata_block->item[i].id))
2670             {
2671                 value->vt = current_metadata_block->item[i].type;
2672                 U(*value).uiVal = current_metadata_block->item[i].value;
2673                 return S_OK;
2674             }
2675             break;
2676         }
2677     }
2678 
2679     return 0xdeadbeef;
2680 }
2681 
2682 static HRESULT WINAPI mdr_GetEnumerator(IWICMetadataReader *iface, IWICEnumMetadataItem **enumerator)
2683 {
2684     ok(0, "not implemented\n");
2685     return E_NOTIMPL;
2686 }
2687 
2688 static /* const */ IWICMetadataReaderVtbl mdr_vtbl =
2689 {
2690     mdr_QueryInterface,
2691     mdr_AddRef,
2692     mdr_Release,
2693     mdr_GetMetadataFormat,
2694     mdr_GetMetadataHandlerInfo,
2695     mdr_GetCount,
2696     mdr_GetValueByIndex,
2697     mdr_GetValue,
2698     mdr_GetEnumerator
2699 };
2700 
2701 static IWICMetadataReader mdr = { &mdr_vtbl };
2702 
2703 static HRESULT WINAPI mdbr_QueryInterface(IWICMetadataBlockReader *iface, REFIID iid, void **out)
2704 {
2705     if (IsEqualIID(iid, &IID_IUnknown) ||
2706         IsEqualIID(iid, &IID_IWICMetadataBlockReader))
2707     {
2708         *out = iface;
2709         return S_OK;
2710     }
2711 
2712     /* Windows 8/10 query for some undocumented IID */
2713     if (!IsEqualIID(iid, &IID_MdbrUnknown))
2714         ok(0, "unknown iid %s\n", wine_dbgstr_guid(iid));
2715 
2716     *out = NULL;
2717     return E_NOINTERFACE;
2718 }
2719 
2720 static ULONG WINAPI mdbr_AddRef(IWICMetadataBlockReader *iface)
2721 {
2722     return 2;
2723 }
2724 
2725 static ULONG WINAPI mdbr_Release(IWICMetadataBlockReader *iface)
2726 {
2727     return 1;
2728 }
2729 
2730 static HRESULT WINAPI mdbr_GetContainerFormat(IWICMetadataBlockReader *iface, GUID *format)
2731 {
2732     trace("%p,%p\n", iface, format);
2733 
2734     ok(current_metadata != NULL, "current_metadata can't be NULL\n");
2735     if (!current_metadata) return E_POINTER;
2736 
2737     *format = *current_metadata->container_format;
2738     return S_OK;
2739 }
2740 
2741 static HRESULT WINAPI mdbr_GetCount(IWICMetadataBlockReader *iface, UINT *count)
2742 {
2743     trace("%p,%p\n", iface, count);
2744 
2745     ok(current_metadata != NULL, "current_metadata can't be NULL\n");
2746     if (!current_metadata) return E_POINTER;
2747 
2748     *count = current_metadata->count;
2749     return S_OK;
2750 }
2751 
2752 static HRESULT WINAPI mdbr_GetReaderByIndex(IWICMetadataBlockReader *iface, UINT index, IWICMetadataReader **out)
2753 {
2754     trace("%p,%u,%p\n", iface, index, out);
2755 
2756     *out = NULL;
2757 
2758     ok(current_metadata != NULL, "current_metadata can't be NULL\n");
2759     if (!current_metadata) return E_POINTER;
2760 
2761     if (index < current_metadata->count)
2762     {
2763         current_metadata_block = &current_metadata->block[index];
2764         *out = &mdr;
2765         return S_OK;
2766     }
2767 
2768     current_metadata_block = NULL;
2769     return E_INVALIDARG;
2770 }
2771 
2772 static HRESULT WINAPI mdbr_GetEnumerator(IWICMetadataBlockReader *iface, IEnumUnknown **enumerator)
2773 {
2774     ok(0, "not implemented\n");
2775     return E_NOTIMPL;
2776 }
2777 
2778 static /* const */ IWICMetadataBlockReaderVtbl mdbr_vtbl =
2779 {
2780     mdbr_QueryInterface,
2781     mdbr_AddRef,
2782     mdbr_Release,
2783     mdbr_GetContainerFormat,
2784     mdbr_GetCount,
2785     mdbr_GetReaderByIndex,
2786     mdbr_GetEnumerator
2787 };
2788 
2789 static IWICMetadataBlockReader mdbr = { &mdbr_vtbl };
2790 
2791 static const char xmp[] = "http://ns.adobe.com/xap/1.0/";
2792 static const char dc[] = "http://purl.org/dc/elements/1.1/";
2793 static const char tiff[] = "http://ns.adobe.com/tiff/1.0/";
2794 
2795 static const struct metadata_item item1[] =
2796 {
2797     { NULL, NULL, 1, 2, 3 }
2798 };
2799 
2800 static const struct metadata_item item2[] =
2801 {
2802     { NULL, NULL, 1, 2, 3 },
2803     { "xmp", "Rating", 4, 5, 6 },
2804     { NULL, "Rating", 7, 8, 9 }
2805 };
2806 
2807 static const struct metadata_item item3[] =
2808 {
2809     { NULL, NULL, 1, 2, 3 },
2810     { NULL, NULL, 4, 5, 6 },
2811     { NULL, NULL, 7, 8, 9 },
2812     { NULL, NULL, 10, 11, 12 }
2813 };
2814 
2815 static const struct metadata_item item4[] =
2816 {
2817     { NULL, NULL, 1, 2, 3 },
2818     { xmp, "Rating", 4, 5, 6 },
2819     { dc, NULL, 7, 8, 9 },
2820     { tiff, NULL, 10, 11, 12 },
2821     { NULL, "RATING", 13, 14, 15 },
2822     { NULL, "R}ATING", 16, 17, 18 },
2823     { NULL, "xmp", 19, 20, 21 }
2824 };
2825 
2826 static const struct metadata_block block1[] =
2827 {
2828     { &GUID_MetadataFormatIfd, 1, item1 }
2829 };
2830 
2831 static const struct metadata_block block2[] =
2832 {
2833     { &GUID_MetadataFormatXMP, 1, item1 },
2834     { &GUID_MetadataFormatIfd, 3, item2 }
2835 };
2836 
2837 static const struct metadata_block block3[] =
2838 {
2839     { &GUID_MetadataFormatXMP, 1, item1 },
2840     { &GUID_MetadataFormatIfd, 3, item2 },
2841     { &GUID_MetadataFormatXMP, 4, item3 },
2842     { &GUID_MetadataFormatXMP, 7, item4 },
2843     { &GUID_MetadataFormatIfd, 7, item4 }
2844 };
2845 
2846 static const struct metadata data1 =
2847 {
2848     &GUID_ContainerFormatGif,
2849     1, block1
2850 };
2851 
2852 static const struct metadata data2 =
2853 {
2854     &GUID_ContainerFormatTiff,
2855     2, block2
2856 };
2857 
2858 static const struct metadata data3 =
2859 {
2860     &GUID_ContainerFormatPng,
2861     5, block3
2862 };
2863 
2864 static void test_queryreader(void)
2865 {
2866     static const char q1[] = "/ifd/{uchar=1}";
2867     static const char q2[] = "/ifd/xmp:{long=4}";
2868     static const char q3[] = "/ifd/{str=xmp}:{uint=4}";
2869     static const char q4[] = "/xmp/{char=7}";
2870     static const char q5[] = "/[1]xmp/{short=7}";
2871     static const char q6[] = "/[1]ifd/{str=dc}:{uint=7}";
2872     static const char q7[] = "/[1]ifd/{str=http://purl.org/dc/elements/1.1/}:{longlong=7}";
2873     static const char q8[] = "/[1]ifd/{str=http://ns.adobe.com/tiff/1.0/}:{int=10}";
2874     static const char q9[] = "/[2]xmp/xmp:{ulong=4}";
2875     static const char q10[] = "/[2]xmp/{str=xmp}:{ulong=4}";
2876     static const char q11[] = "/xmp";
2877     static const char q12[] = "/ifd/xmp";
2878     static const char q13[] = "/ifd/xmp/tiff";
2879     static const char q14[] = "/[0]ifd/[0]xmp/[0]tiff";
2880     static const char q15[] = "/[*]xmp";
2881 
2882     static const char q20[] = "/ifd/\\Rating";
2883     static const char q21[] = "/[0]ifd/Rating";
2884     static const char q22[] = "/[2]xmp/xmp:{str=Rating}";
2885     static const char q23[] = "/[2]xmp/xmp:Rating";
2886 
2887     static const char q24[] = "/[1]ifd/{str=http://ns.adobe.com/xap/1.0/}:Rating";
2888     static const char q25[] = "/[1]ifd/{str=http://ns.adobe.com/xap/1.0/}:{str=Rating}";
2889     static const char q26[] = "/[1]ifd/{wstr=\\RATING}";
2890     static const char q27[] = "/[1]ifd/{str=R\\ATING}";
2891     static const char q28[] = "/[1]ifd/{str=R\\}ATING}";
2892 
2893     static const char q40[] = "[0]/ifd/Rating";
2894     static const char q41[] = "/[+1]ifd/Rating";
2895     static const char q42[] = "/[-1]ifd/Rating";
2896     static const char q43[] = "/ifd/{\\str=Rating}";
2897     static const char q44[] = "/ifd/{badtype=0}";
2898     static const char q45[] = "/ifd/{uint=0x1234}";
2899     static const char q46[] = "/ifd/[0]Rating";
2900     static const char q47[] = "/ifd/[*]Rating";
2901     static const struct
2902     {
2903         BOOL todo;
2904         const struct metadata *data;
2905         const char *query;
2906         HRESULT hr;
2907         UINT vt, value;
2908         const char *str_value;
2909     } test_data[] =
2910     {
2911         { FALSE, &data1, q1, S_OK, 2, 3, NULL },
2912         { FALSE, &data2, q2, S_OK, 5, 6, NULL },
2913         { FALSE, &data2, q3, S_OK, 5, 6, NULL },
2914         { FALSE, &data3, q4, 0xdeadbeef },
2915         { FALSE, &data3, q5, S_OK, 8, 9, NULL },
2916         { FALSE, &data3, q6, 0xdeadbeef },
2917         { FALSE, &data3, q7, S_OK, 8, 9, NULL },
2918         { FALSE, &data3, q8, S_OK, 11, 12, NULL },
2919         { FALSE, &data3, q9, S_OK, 5, 6, NULL },
2920         { FALSE, &data3, q10, 0xdeadbeef },
2921 
2922         { FALSE, &data3, q11, S_OK, VT_UNKNOWN, 0, NULL },
2923         { FALSE, &data3, q12, S_OK, VT_UNKNOWN, 0, NULL },
2924         { FALSE, &data3, q13, S_OK, VT_UNKNOWN, 0, NULL },
2925         { FALSE, &data3, q14, S_OK, VT_UNKNOWN, 0, NULL },
2926         { TRUE, &data3, q15, S_OK, VT_LPSTR, 0, the_worst },
2927 
2928         { FALSE, &data3, q20, S_OK, VT_LPSTR, 0, the_worst },
2929         { FALSE, &data3, q21, S_OK, VT_LPSTR, 0, the_worst },
2930         { FALSE, &data3, q22, S_OK, VT_LPSTR, 0, the_best },
2931         { FALSE, &data3, q23, S_OK, VT_LPSTR, 0, the_worst },
2932         { FALSE, &data3, q24, S_OK, VT_LPSTR, 0, the_worst },
2933         { FALSE, &data3, q25, S_OK, VT_LPSTR, 0, the_best },
2934         { FALSE, &data3, q26, S_OK, VT_LPSTR, 0, the_worst },
2935         { FALSE, &data3, q27, S_OK, VT_LPSTR, 0, the_best },
2936         { FALSE, &data3, q28, S_OK, VT_LPSTR, 0, the_best },
2937 
2938         { FALSE, &data1, q40, WINCODEC_ERR_PROPERTYNOTSUPPORTED },
2939         { TRUE, &data1, q41, WINCODEC_ERR_INVALIDQUERYCHARACTER },
2940         { TRUE, &data1, q42, WINCODEC_ERR_INVALIDQUERYCHARACTER },
2941         { FALSE, &data1, q43, WINCODEC_ERR_WRONGSTATE },
2942         { FALSE, &data1, q44, WINCODEC_ERR_WRONGSTATE },
2943         { TRUE, &data1, q45, DISP_E_TYPEMISMATCH },
2944         { TRUE, &data1, q46, E_INVALIDARG },
2945         { TRUE, &data1, q47, WINCODEC_ERR_REQUESTONLYVALIDATMETADATAROOT },
2946     };
2947     WCHAR queryW[256];
2948     HRESULT hr;
2949     IWICComponentFactory *factory;
2950     IWICMetadataQueryReader *reader;
2951     GUID format;
2952     PROPVARIANT value;
2953     UINT i;
2954 
2955     hr = CoCreateInstance(&CLSID_WICImagingFactory, NULL, CLSCTX_INPROC_SERVER,
2956             &IID_IWICComponentFactory, (void **)&factory);
2957     ok(hr == S_OK, "CoCreateInstance error %#x\n", hr);
2958 
2959     hr = IWICComponentFactory_CreateQueryReaderFromBlockReader(factory, &mdbr, &reader);
2960     ok(hr == S_OK, "CreateQueryReaderFromBlockReader error %#x\n", hr);
2961 
2962     for (i = 0; i < sizeof(test_data)/sizeof(test_data[0]); i++)
2963     {
2964         current_metadata = test_data[i].data;
2965 
2966         hr = IWICMetadataQueryReader_GetContainerFormat(reader, &format);
2967         ok(hr == S_OK, "%u: GetContainerFormat error %#x\n", i, hr);
2968         ok(IsEqualGUID(&format, test_data[i].data->container_format), "%u: expected %s, got %s\n",
2969            i, wine_dbgstr_guid(test_data[i].data->container_format), wine_dbgstr_guid(&format));
2970 
2971         MultiByteToWideChar(CP_ACP, 0, test_data[i].query, -1, queryW, 256);
2972         PropVariantInit(&value);
2973         hr = IWICMetadataQueryReader_GetMetadataByName(reader, queryW, &value);
2974         todo_wine_if(test_data[i].todo)
2975         ok(hr == test_data[i].hr, "%u: expected %#x, got %#x\n", i, test_data[i].hr, hr);
2976         if (hr == S_OK)
2977         {
2978             ok(value.vt == test_data[i].vt, "%u: expected %u, got %u\n", i, test_data[i].vt, value.vt);
2979             if (test_data[i].vt == value.vt)
2980             {
2981                 if (value.vt == VT_UNKNOWN)
2982                 {
2983                     IWICMetadataQueryReader *new_reader;
2984                     WCHAR location[256];
2985                     UINT len;
2986 
2987                     hr = IUnknown_QueryInterface(value.punkVal, &IID_IWICMetadataQueryReader, (void **)&new_reader);
2988                     ok(hr == S_OK, "QueryInterface error %#x\n", hr);
2989 
2990                     location[0] = 0;
2991                     len = 0xdeadbeef;
2992                     hr = IWICMetadataQueryReader_GetLocation(new_reader, 256, location, &len);
2993                     ok(hr == S_OK, "GetLocation error %#x\n", hr);
2994                     ok(len == lstrlenW(queryW) + 1, "expected %u, got %u\n", lstrlenW(queryW) + 1, len);
2995                     ok(!lstrcmpW(location, queryW), "expected %s, got %s\n", wine_dbgstr_w(queryW), wine_dbgstr_w(location));
2996 
2997                     hr = IWICMetadataQueryReader_GetLocation(new_reader, 256, location, NULL);
2998                     ok(hr == E_INVALIDARG, "got %#x\n", hr);
2999 
3000                     location[0] = 0;
3001                     len = 0xdeadbeef;
3002                     hr = IWICMetadataQueryReader_GetLocation(new_reader, 3, location, &len);
3003                     ok(hr == WINCODEC_ERR_INSUFFICIENTBUFFER, "got %#x\n", hr);
3004                     ok(len == 0xdeadbeef, "got %u\n", len);
3005                     ok(!location[0], "got %s\n", wine_dbgstr_w(location));
3006 
3007                     location[0] = 0;
3008                     len = 0xdeadbeef;
3009                     hr = IWICMetadataQueryReader_GetLocation(new_reader, 0, location, &len);
3010                     ok(hr == WINCODEC_ERR_INSUFFICIENTBUFFER, "got %#x\n", hr);
3011                     ok(len == 0xdeadbeef, "got %u\n", len);
3012                     ok(!location[0], "got %s\n", wine_dbgstr_w(location));
3013 
3014                     len = 0xdeadbeef;
3015                     hr = IWICMetadataQueryReader_GetLocation(new_reader, 0, NULL, &len);
3016                     ok(hr == S_OK, "GetLocation error %#x\n", hr);
3017                     ok(len == lstrlenW(queryW) + 1, "expected %u, got %u\n", lstrlenW(queryW) + 1, len);
3018 
3019                     len = 0xdeadbeef;
3020                     hr = IWICMetadataQueryReader_GetLocation(new_reader, 3, NULL, &len);
3021                     ok(hr == S_OK, "GetLocation error %#x\n", hr);
3022                     ok(len == lstrlenW(queryW) + 1, "expected %u, got %u\n", lstrlenW(queryW) + 1, len);
3023 
3024                     hr = IWICMetadataQueryReader_GetLocation(new_reader, 0, NULL, NULL);
3025                     ok(hr == E_INVALIDARG, "got %#x\n", hr);
3026 
3027                     IWICMetadataQueryReader_Release(new_reader);
3028                 }
3029                 else if (value.vt == VT_LPSTR)
3030                     ok(!lstrcmpA(U(value).pszVal, test_data[i].str_value), "%u: expected %s, got %s\n",
3031                        i, test_data[i].str_value, U(value).pszVal);
3032                 else
3033                     ok(U(value).uiVal == test_data[i].value, "%u: expected %u, got %u\n",
3034                        i, test_data[i].value, U(value).uiVal);
3035             }
3036 
3037             /*
3038              * Do NOT call PropVariantClear(&value) for fake value types.
3039              */
3040         }
3041     }
3042 
3043     IWICMetadataQueryReader_Release(reader);
3044     IWICComponentFactory_Release(factory);
3045 }
3046 
3047 START_TEST(metadata)
3048 {
3049     CoInitializeEx(NULL, COINIT_APARTMENTTHREADED);
3050 
3051     test_queryreader();
3052     test_WICMapGuidToShortName();
3053     test_WICMapShortNameToGuid();
3054     test_WICMapSchemaToName();
3055     test_metadata_unknown();
3056     test_metadata_tEXt();
3057     test_metadata_gAMA();
3058     test_metadata_cHRM();
3059     test_metadata_IFD();
3060     test_metadata_Exif();
3061     test_create_reader();
3062     test_metadata_png();
3063     test_metadata_gif();
3064     test_metadata_LSD();
3065     test_metadata_IMD();
3066     test_metadata_GCE();
3067     test_metadata_APE();
3068     test_metadata_GIF_comment();
3069 
3070     CoUninitialize();
3071 }
3072