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 #ifdef __REACTOS__
27 #define CONST_VTABLE
28 #endif
29 
30 #include "windef.h"
31 #include "objbase.h"
32 #include "wincodec.h"
33 #include "wincodecsdk.h"
34 #include "propvarutil.h"
35 #include "wine/test.h"
36 
37 #include "initguid.h"
38 DEFINE_GUID(IID_MdbrUnknown, 0x00240e6f,0x3f23,0x4432,0xb0,0xcc,0x48,0xd5,0xbb,0xff,0x6c,0x36);
39 
40 #define expect_blob(propvar, data, length) do { \
41     ok((propvar).vt == VT_BLOB, "unexpected vt: %i\n", (propvar).vt); \
42     if ((propvar).vt == VT_BLOB) { \
43         ok(U(propvar).blob.cbSize == (length), "expected size %u, got %u\n", (ULONG)(length), U(propvar).blob.cbSize); \
44         if (U(propvar).blob.cbSize == (length)) { \
45             ok(!memcmp(U(propvar).blob.pBlobData, (data), (length)), "unexpected data\n"); \
46         } \
47     } \
48 } while (0)
49 
50 #define IFD_BYTE 1
51 #define IFD_ASCII 2
52 #define IFD_SHORT 3
53 #define IFD_LONG 4
54 #define IFD_RATIONAL 5
55 #define IFD_SBYTE 6
56 #define IFD_UNDEFINED 7
57 #define IFD_SSHORT 8
58 #define IFD_SLONG 9
59 #define IFD_SRATIONAL 10
60 #define IFD_FLOAT 11
61 #define IFD_DOUBLE 12
62 #define IFD_IFD 13
63 
64 #include "pshpack2.h"
65 struct IFD_entry
66 {
67     SHORT id;
68     SHORT type;
69     ULONG count;
70     LONG  value;
71 };
72 
73 struct IFD_rational
74 {
75     LONG numerator;
76     LONG denominator;
77 };
78 
79 static const struct ifd_data
80 {
81     USHORT number_of_entries;
82     struct IFD_entry entry[40];
83     ULONG next_IFD;
84     struct IFD_rational xres;
85     DOUBLE double_val;
86     struct IFD_rational srational_val;
87     char string[14];
88     SHORT short_val[4];
89     LONG long_val[2];
90     FLOAT float_val[2];
91     struct IFD_rational rational[3];
92 } IFD_data =
93 {
94     28,
95     {
96         { 0xfe,  IFD_SHORT, 1, 1 }, /* NEWSUBFILETYPE */
97         { 0x100, IFD_LONG, 1, 222 }, /* IMAGEWIDTH */
98         { 0x101, IFD_LONG, 1, 333 }, /* IMAGELENGTH */
99         { 0x102, IFD_SHORT, 1, 24 }, /* BITSPERSAMPLE */
100         { 0x103, IFD_LONG, 1, 32773 }, /* COMPRESSION: packbits */
101         { 0x11a, IFD_RATIONAL, 1, FIELD_OFFSET(struct ifd_data, xres) },
102         { 0xf001, IFD_BYTE, 1, 0x11223344 },
103         { 0xf002, IFD_BYTE, 4, 0x11223344 },
104         { 0xf003, IFD_SBYTE, 1, 0x11223344 },
105         { 0xf004, IFD_SSHORT, 1, 0x11223344 },
106         { 0xf005, IFD_SSHORT, 2, 0x11223344 },
107         { 0xf006, IFD_SLONG, 1, 0x11223344 },
108         { 0xf007, IFD_FLOAT, 1, 0x11223344 },
109         { 0xf008, IFD_DOUBLE, 1, FIELD_OFFSET(struct ifd_data, double_val) },
110         { 0xf009, IFD_SRATIONAL, 1, FIELD_OFFSET(struct ifd_data, srational_val) },
111         { 0xf00a, IFD_BYTE, 13, FIELD_OFFSET(struct ifd_data, string) },
112         { 0xf00b, IFD_SSHORT, 4, FIELD_OFFSET(struct ifd_data, short_val) },
113         { 0xf00c, IFD_SLONG, 2, FIELD_OFFSET(struct ifd_data, long_val) },
114         { 0xf00d, IFD_FLOAT, 2, FIELD_OFFSET(struct ifd_data, float_val) },
115         { 0xf00e, IFD_ASCII, 13, FIELD_OFFSET(struct ifd_data, string) },
116         { 0xf00f, IFD_ASCII, 4, 'a' | 'b' << 8 | 'c' << 16 | 'd' << 24 },
117         { 0xf010, IFD_UNDEFINED, 13, FIELD_OFFSET(struct ifd_data, string) },
118         { 0xf011, IFD_UNDEFINED, 4, 'a' | 'b' << 8 | 'c' << 16 | 'd' << 24 },
119         { 0xf012, IFD_BYTE, 0, 0x11223344 },
120         { 0xf013, IFD_SHORT, 0, 0x11223344 },
121         { 0xf014, IFD_LONG, 0, 0x11223344 },
122         { 0xf015, IFD_FLOAT, 0, 0x11223344 },
123         { 0xf016, IFD_SRATIONAL, 3, FIELD_OFFSET(struct ifd_data, rational) },
124     },
125     0,
126     { 900, 3 },
127     1234567890.0987654321,
128     { 0x1a2b3c4d, 0x5a6b7c8d },
129     "Hello World!",
130     { 0x0101, 0x0202, 0x0303, 0x0404 },
131     { 0x11223344, 0x55667788 },
132     { (FLOAT)1234.5678, (FLOAT)8765.4321 },
133     { { 0x01020304, 0x05060708 }, { 0x10203040, 0x50607080 }, { 0x11223344, 0x55667788 } },
134 };
135 #include "poppack.h"
136 
137 static const char metadata_unknown[] = "lalala";
138 
139 static const char metadata_tEXt[] = {
140     0,0,0,14, /* chunk length */
141     't','E','X','t', /* chunk type */
142     'w','i','n','e','t','e','s','t',0, /* keyword */
143     'v','a','l','u','e', /* text */
144     0x3f,0x64,0x19,0xf3 /* chunk CRC */
145 };
146 
147 static const char metadata_gAMA[] = {
148     0,0,0,4, /* chunk length */
149     'g','A','M','A', /* chunk type */
150     0,0,130,53, /* gamma */
151     0xff,0xff,0xff,0xff /* chunk CRC */
152 };
153 
154 static const char metadata_cHRM[] = {
155     0,0,0,32, /* chunk length */
156     'c','H','R','M', /* chunk type */
157     0,0,122,38, 0,0,128,132, /* white point */
158     0,0,250,0, 0,0,128,232, /* red */
159     0,0,117,48, 0,0,234,96, /* green */
160     0,0,58,152, 0,0,23,112, /* blue */
161     0xff,0xff,0xff,0xff /* chunk CRC */
162 };
163 
164 static const char pngimage[285] = {
165 0x89,0x50,0x4e,0x47,0x0d,0x0a,0x1a,0x0a,0x00,0x00,0x00,0x0d,0x49,0x48,0x44,0x52,
166 0x00,0x00,0x00,0x01,0x00,0x00,0x00,0x01,0x08,0x02,0x00,0x00,0x00,0x90,0x77,0x53,
167 0xde,0x00,0x00,0x00,0x09,0x70,0x48,0x59,0x73,0x00,0x00,0x0b,0x13,0x00,0x00,0x0b,
168 0x13,0x01,0x00,0x9a,0x9c,0x18,0x00,0x00,0x00,0x07,0x74,0x49,0x4d,0x45,0x07,0xd5,
169 0x06,0x03,0x0f,0x07,0x2d,0x12,0x10,0xf0,0xfd,0x00,0x00,0x00,0x0c,0x49,0x44,0x41,
170 0x54,0x08,0xd7,0x63,0xf8,0xff,0xff,0x3f,0x00,0x05,0xfe,0x02,0xfe,0xdc,0xcc,0x59,
171 0xe7,0x00,0x00,0x00,0x00,0x49,0x45,0x4e,0x44,0xae,0x42,0x60,0x82
172 };
173 
174 /* 1x1 pixel gif */
175 static const char gifimage[35] = {
176 0x47,0x49,0x46,0x38,0x37,0x61,0x01,0x00,0x01,0x00,0x80,0x00,0x00,0xff,0xff,0xff,
177 0xff,0xff,0xff,0x2c,0x00,0x00,0x00,0x00,0x01,0x00,0x01,0x00,0x00,0x02,0x02,0x44,
178 0x01,0x00,0x3b
179 };
180 
181 /* 1x1 pixel gif, 2 frames; first frame is white, second is black */
182 static const char animatedgif[] = {
183 'G','I','F','8','9','a',0x01,0x00,0x01,0x00,0xA1,0x00,0x00,
184 0x6F,0x6F,0x6F,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
185 /*0x21,0xFF,0x0B,'N','E','T','S','C','A','P','E','2','.','0',*/
186 0x21,0xFF,0x0B,'A','N','I','M','E','X','T','S','1','.','0',
187 0x03,0x01,0x05,0x00,0x00,
188 0x21,0xFE,0x0C,'H','e','l','l','o',' ','W','o','r','l','d','!',0x00,
189 0x21,0x01,0x0D,'a','n','i','m','a','t','i','o','n','.','g','i','f',0x00,
190 0x21,0xF9,0x04,0x00,0x0A,0x00,0xFF,0x00,0x2C,
191 0x00,0x00,0x00,0x00,0x01,0x00,0x01,0x00,0x81,
192 0xDE,0xDE,0xDE,0x00,0x00,0x00,
193 0x00,0x00,0x00,0x00,0x00,0x00,0x02,0x02,0x4C,0x01,0x00,
194 0x21,0xFE,0x08,'i','m','a','g','e',' ','#','1',0x00,
195 0x21,0x01,0x0C,'p','l','a','i','n','t','e','x','t',' ','#','1',0x00,
196 0x21,0xF9,0x04,0x01,0x0A,0x00,0x01,0x00,0x2C,
197 0x00,0x00,0x00,0x00,0x01,0x00,0x01,0x00,0x81,
198 0x4D,0x4D,0x4D,0x00,0x00,0x00,
199 0x00,0x00,0x00,0x00,0x00,0x00,0x02,0x02,0x44,0x01,0x00,
200 0x21,0xFE,0x08,'i','m','a','g','e',' ','#','2',0x00,
201 0x21,0x01,0x0C,'p','l','a','i','n','t','e','x','t',' ','#','2',0x00,0x3B
202 };
203 
204 static IStream *create_stream(const char *data, int data_size)
205 {
206     HRESULT hr;
207     IStream *stream;
208     HGLOBAL hdata;
209     void *locked_data;
210 
211     hdata = GlobalAlloc(GMEM_MOVEABLE, data_size);
212     ok(hdata != 0, "GlobalAlloc failed\n");
213     if (!hdata) return NULL;
214 
215     locked_data = GlobalLock(hdata);
216     memcpy(locked_data, data, data_size);
217     GlobalUnlock(hdata);
218 
219     hr = CreateStreamOnHGlobal(hdata, TRUE, &stream);
220     ok(hr == S_OK, "CreateStreamOnHGlobal failed, hr=%x\n", hr);
221 
222     return stream;
223 }
224 
225 static void load_stream(IUnknown *reader, const char *data, int data_size, DWORD persist_options)
226 {
227     HRESULT hr;
228     IWICPersistStream *persist;
229     IStream *stream;
230     LARGE_INTEGER pos;
231     ULARGE_INTEGER cur_pos;
232 
233     stream = create_stream(data, data_size);
234     if (!stream)
235         return;
236 
237     hr = IUnknown_QueryInterface(reader, &IID_IWICPersistStream, (void**)&persist);
238     ok(hr == S_OK, "QueryInterface failed, hr=%x\n", hr);
239 
240     if (SUCCEEDED(hr))
241     {
242         hr = IWICPersistStream_LoadEx(persist, stream, NULL, persist_options);
243         ok(hr == S_OK, "LoadEx failed, hr=%x\n", hr);
244 
245         IWICPersistStream_Release(persist);
246     }
247 
248     pos.QuadPart = 0;
249     hr = IStream_Seek(stream, pos, SEEK_CUR, &cur_pos);
250     ok(hr == S_OK, "IStream_Seek error %#x\n", hr);
251     /* IFD metadata reader doesn't rewind the stream to the start */
252     ok(cur_pos.QuadPart == 0 || cur_pos.QuadPart <= data_size,
253        "current stream pos is at %x/%x, data size %x\n", cur_pos.u.LowPart, cur_pos.u.HighPart, data_size);
254 
255     IStream_Release(stream);
256 }
257 
258 static void test_metadata_unknown(void)
259 {
260     HRESULT hr;
261     IWICMetadataReader *reader;
262     IWICEnumMetadataItem *enumerator;
263     IWICMetadataBlockReader *blockreader;
264     PROPVARIANT schema, id, value;
265     ULONG items_returned;
266 
267     hr = CoCreateInstance(&CLSID_WICUnknownMetadataReader, NULL, CLSCTX_INPROC_SERVER,
268         &IID_IWICMetadataReader, (void**)&reader);
269     ok(hr == S_OK, "CoCreateInstance failed, hr=%x\n", hr);
270     if (FAILED(hr)) return;
271 
272     load_stream((IUnknown*)reader, metadata_unknown, sizeof(metadata_unknown), WICPersistOptionDefault);
273 
274     hr = IWICMetadataReader_GetEnumerator(reader, &enumerator);
275     ok(hr == S_OK, "GetEnumerator failed, hr=%x\n", hr);
276 
277     if (SUCCEEDED(hr))
278     {
279         PropVariantInit(&schema);
280         PropVariantInit(&id);
281         PropVariantInit(&value);
282 
283         hr = IWICEnumMetadataItem_Next(enumerator, 1, &schema, &id, &value, &items_returned);
284         ok(hr == S_OK, "Next failed, hr=%x\n", hr);
285         ok(items_returned == 1, "unexpected item count %i\n", items_returned);
286 
287         if (hr == S_OK && items_returned == 1)
288         {
289             ok(schema.vt == VT_EMPTY, "unexpected vt: %i\n", schema.vt);
290             ok(id.vt == VT_EMPTY, "unexpected vt: %i\n", id.vt);
291             expect_blob(value, metadata_unknown, sizeof(metadata_unknown));
292 
293             PropVariantClear(&schema);
294             PropVariantClear(&id);
295             PropVariantClear(&value);
296         }
297 
298         hr = IWICEnumMetadataItem_Next(enumerator, 1, &schema, &id, &value, &items_returned);
299         ok(hr == S_FALSE, "Next failed, hr=%x\n", hr);
300         ok(items_returned == 0, "unexpected item count %i\n", items_returned);
301 
302         IWICEnumMetadataItem_Release(enumerator);
303     }
304 
305     hr = IWICMetadataReader_QueryInterface(reader, &IID_IWICMetadataBlockReader, (void**)&blockreader);
306     ok(hr == E_NOINTERFACE, "QueryInterface failed, hr=%x\n", hr);
307 
308     if (SUCCEEDED(hr))
309         IWICMetadataBlockReader_Release(blockreader);
310 
311     IWICMetadataReader_Release(reader);
312 }
313 
314 static void test_metadata_tEXt(void)
315 {
316     HRESULT hr;
317     IWICMetadataReader *reader;
318     IWICEnumMetadataItem *enumerator;
319     PROPVARIANT schema, id, value;
320     ULONG items_returned, count;
321     GUID format;
322 
323     PropVariantInit(&schema);
324     PropVariantInit(&id);
325     PropVariantInit(&value);
326 
327     hr = CoCreateInstance(&CLSID_WICPngTextMetadataReader, NULL, CLSCTX_INPROC_SERVER,
328         &IID_IWICMetadataReader, (void**)&reader);
329     ok(hr == S_OK, "CoCreateInstance failed, hr=%x\n", hr);
330     if (FAILED(hr)) return;
331 
332     hr = IWICMetadataReader_GetCount(reader, NULL);
333     ok(hr == E_INVALIDARG, "GetCount failed, hr=%x\n", hr);
334 
335     hr = IWICMetadataReader_GetCount(reader, &count);
336     ok(hr == S_OK, "GetCount failed, hr=%x\n", hr);
337     ok(count == 0, "unexpected count %i\n", count);
338 
339     load_stream((IUnknown*)reader, metadata_tEXt, sizeof(metadata_tEXt), WICPersistOptionDefault);
340 
341     hr = IWICMetadataReader_GetCount(reader, &count);
342     ok(hr == S_OK, "GetCount failed, hr=%x\n", hr);
343     ok(count == 1, "unexpected count %i\n", count);
344 
345     hr = IWICMetadataReader_GetEnumerator(reader, NULL);
346     ok(hr == E_INVALIDARG, "GetEnumerator failed, hr=%x\n", hr);
347 
348     hr = IWICMetadataReader_GetEnumerator(reader, &enumerator);
349     ok(hr == S_OK, "GetEnumerator failed, hr=%x\n", hr);
350 
351     if (SUCCEEDED(hr))
352     {
353         hr = IWICEnumMetadataItem_Next(enumerator, 1, &schema, &id, &value, &items_returned);
354         ok(hr == S_OK, "Next failed, hr=%x\n", hr);
355         ok(items_returned == 1, "unexpected item count %i\n", items_returned);
356 
357         if (hr == S_OK && items_returned == 1)
358         {
359             ok(schema.vt == VT_EMPTY, "unexpected vt: %i\n", schema.vt);
360             ok(id.vt == VT_LPSTR, "unexpected vt: %i\n", id.vt);
361             ok(!strcmp(U(id).pszVal, "winetest"), "unexpected id: %s\n", U(id).pszVal);
362             ok(value.vt == VT_LPSTR, "unexpected vt: %i\n", value.vt);
363             ok(!strcmp(U(value).pszVal, "value"), "unexpected value: %s\n", U(value).pszVal);
364 
365             PropVariantClear(&schema);
366             PropVariantClear(&id);
367             PropVariantClear(&value);
368         }
369 
370         hr = IWICEnumMetadataItem_Next(enumerator, 1, &schema, &id, &value, &items_returned);
371         ok(hr == S_FALSE, "Next failed, hr=%x\n", hr);
372         ok(items_returned == 0, "unexpected item count %i\n", items_returned);
373 
374         IWICEnumMetadataItem_Release(enumerator);
375     }
376 
377     hr = IWICMetadataReader_GetMetadataFormat(reader, &format);
378     ok(hr == S_OK, "GetMetadataFormat failed, hr=%x\n", hr);
379     ok(IsEqualGUID(&format, &GUID_MetadataFormatChunktEXt), "unexpected format %s\n", wine_dbgstr_guid(&format));
380 
381     hr = IWICMetadataReader_GetMetadataFormat(reader, NULL);
382     ok(hr == E_INVALIDARG, "GetMetadataFormat failed, hr=%x\n", hr);
383 
384     id.vt = VT_LPSTR;
385     U(id).pszVal = CoTaskMemAlloc(strlen("winetest") + 1);
386     strcpy(U(id).pszVal, "winetest");
387 
388     hr = IWICMetadataReader_GetValue(reader, NULL, &id, NULL);
389     ok(hr == S_OK, "GetValue failed, hr=%x\n", hr);
390 
391     hr = IWICMetadataReader_GetValue(reader, &schema, NULL, &value);
392     ok(hr == E_INVALIDARG, "GetValue failed, hr=%x\n", hr);
393 
394     hr = IWICMetadataReader_GetValue(reader, &schema, &id, &value);
395     ok(hr == S_OK, "GetValue failed, hr=%x\n", hr);
396     ok(value.vt == VT_LPSTR, "unexpected vt: %i\n", id.vt);
397     ok(!strcmp(U(value).pszVal, "value"), "unexpected value: %s\n", U(value).pszVal);
398     PropVariantClear(&value);
399 
400     strcpy(U(id).pszVal, "test");
401 
402     hr = IWICMetadataReader_GetValue(reader, &schema, &id, &value);
403     ok(hr == WINCODEC_ERR_PROPERTYNOTFOUND, "GetValue failed, hr=%x\n", hr);
404 
405     PropVariantClear(&id);
406 
407     hr = IWICMetadataReader_GetValueByIndex(reader, 0, NULL, NULL, NULL);
408     ok(hr == S_OK, "GetValueByIndex failed, hr=%x\n", hr);
409 
410     hr = IWICMetadataReader_GetValueByIndex(reader, 0, &schema, NULL, NULL);
411     ok(hr == S_OK, "GetValueByIndex failed, hr=%x\n", hr);
412     ok(schema.vt == VT_EMPTY, "unexpected vt: %i\n", schema.vt);
413 
414     hr = IWICMetadataReader_GetValueByIndex(reader, 0, NULL, &id, NULL);
415     ok(hr == S_OK, "GetValueByIndex failed, hr=%x\n", hr);
416     ok(id.vt == VT_LPSTR, "unexpected vt: %i\n", id.vt);
417     ok(!strcmp(U(id).pszVal, "winetest"), "unexpected id: %s\n", U(id).pszVal);
418     PropVariantClear(&id);
419 
420     hr = IWICMetadataReader_GetValueByIndex(reader, 0, NULL, NULL, &value);
421     ok(hr == S_OK, "GetValueByIndex failed, hr=%x\n", hr);
422     ok(value.vt == VT_LPSTR, "unexpected vt: %i\n", value.vt);
423     ok(!strcmp(U(value).pszVal, "value"), "unexpected value: %s\n", U(value).pszVal);
424     PropVariantClear(&value);
425 
426     hr = IWICMetadataReader_GetValueByIndex(reader, 1, NULL, NULL, NULL);
427     ok(hr == E_INVALIDARG, "GetValueByIndex failed, hr=%x\n", hr);
428 
429     IWICMetadataReader_Release(reader);
430 }
431 
432 static void test_metadata_gAMA(void)
433 {
434     HRESULT hr;
435     IWICMetadataReader *reader;
436     PROPVARIANT schema, id, value;
437     ULONG count;
438     GUID format;
439     static const WCHAR ImageGamma[] = {'I','m','a','g','e','G','a','m','m','a',0};
440 
441     PropVariantInit(&schema);
442     PropVariantInit(&id);
443     PropVariantInit(&value);
444 
445     hr = CoCreateInstance(&CLSID_WICPngGamaMetadataReader, NULL, CLSCTX_INPROC_SERVER,
446         &IID_IWICMetadataReader, (void**)&reader);
447     ok(hr == S_OK || broken(hr == REGDB_E_CLASSNOTREG) /*winxp*/, "CoCreateInstance failed, hr=%x\n", hr);
448     if (FAILED(hr)) return;
449 
450     load_stream((IUnknown*)reader, metadata_gAMA, sizeof(metadata_gAMA), WICPersistOptionDefault);
451 
452     hr = IWICMetadataReader_GetMetadataFormat(reader, &format);
453     ok(hr == S_OK, "GetMetadataFormat failed, hr=%x\n", hr);
454     ok(IsEqualGUID(&format, &GUID_MetadataFormatChunkgAMA), "unexpected format %s\n", wine_dbgstr_guid(&format));
455 
456     hr = IWICMetadataReader_GetCount(reader, &count);
457     ok(hr == S_OK, "GetCount failed, hr=%x\n", hr);
458     ok(count == 1, "unexpected count %i\n", count);
459 
460     hr = IWICMetadataReader_GetValueByIndex(reader, 0, &schema, &id, &value);
461     ok(hr == S_OK, "GetValue failed, hr=%x\n", hr);
462 
463     ok(schema.vt == VT_EMPTY, "unexpected vt: %i\n", schema.vt);
464     PropVariantClear(&schema);
465 
466     ok(id.vt == VT_LPWSTR, "unexpected vt: %i\n", id.vt);
467     ok(!lstrcmpW(U(id).pwszVal, ImageGamma), "unexpected value: %s\n", wine_dbgstr_w(U(id).pwszVal));
468     PropVariantClear(&id);
469 
470     ok(value.vt == VT_UI4, "unexpected vt: %i\n", value.vt);
471     ok(U(value).ulVal == 33333, "unexpected value: %u\n", U(value).ulVal);
472     PropVariantClear(&value);
473 
474     IWICMetadataReader_Release(reader);
475 }
476 
477 static void test_metadata_cHRM(void)
478 {
479     HRESULT hr;
480     IWICMetadataReader *reader;
481     PROPVARIANT schema, id, value;
482     ULONG count;
483     GUID format;
484     int i;
485     static const WCHAR expected_names[8][12] = {
486         {'W','h','i','t','e','P','o','i','n','t','X',0},
487         {'W','h','i','t','e','P','o','i','n','t','Y',0},
488         {'R','e','d','X',0},
489         {'R','e','d','Y',0},
490         {'G','r','e','e','n','X',0},
491         {'G','r','e','e','n','Y',0},
492         {'B','l','u','e','X',0},
493         {'B','l','u','e','Y',0},
494     };
495     static const ULONG expected_vals[8] = {
496         31270,32900, 64000,33000, 30000,60000, 15000,6000
497     };
498 
499     PropVariantInit(&schema);
500     PropVariantInit(&id);
501     PropVariantInit(&value);
502 
503     hr = CoCreateInstance(&CLSID_WICPngChrmMetadataReader, NULL, CLSCTX_INPROC_SERVER,
504         &IID_IWICMetadataReader, (void**)&reader);
505     ok(hr == S_OK || broken(hr == REGDB_E_CLASSNOTREG) /*winxp*/, "CoCreateInstance failed, hr=%x\n", hr);
506     if (FAILED(hr)) return;
507 
508     load_stream((IUnknown*)reader, metadata_cHRM, sizeof(metadata_cHRM), WICPersistOptionDefault);
509 
510     hr = IWICMetadataReader_GetMetadataFormat(reader, &format);
511     ok(hr == S_OK, "GetMetadataFormat failed, hr=%x\n", hr);
512     ok(IsEqualGUID(&format, &GUID_MetadataFormatChunkcHRM), "unexpected format %s\n", wine_dbgstr_guid(&format));
513 
514     hr = IWICMetadataReader_GetCount(reader, &count);
515     ok(hr == S_OK, "GetCount failed, hr=%x\n", hr);
516     ok(count == 8, "unexpected count %i\n", count);
517 
518     for (i=0; i<8; i++)
519     {
520         hr = IWICMetadataReader_GetValueByIndex(reader, i, &schema, &id, &value);
521         ok(hr == S_OK, "GetValue failed, hr=%x\n", hr);
522 
523         ok(schema.vt == VT_EMPTY, "unexpected vt: %i\n", schema.vt);
524         PropVariantClear(&schema);
525 
526         ok(id.vt == VT_LPWSTR, "unexpected vt: %i\n", id.vt);
527         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]));
528         PropVariantClear(&id);
529 
530         ok(value.vt == VT_UI4, "unexpected vt: %i\n", value.vt);
531         ok(U(value).ulVal == expected_vals[i], "got %u, expected %u\n", U(value).ulVal, expected_vals[i]);
532         PropVariantClear(&value);
533     }
534 
535     IWICMetadataReader_Release(reader);
536 }
537 
538 static inline USHORT ushort_bswap(USHORT s)
539 {
540     return (s >> 8) | (s << 8);
541 }
542 
543 static inline ULONG ulong_bswap(ULONG l)
544 {
545     return ((ULONG)ushort_bswap((USHORT)l) << 16) | ushort_bswap((USHORT)(l >> 16));
546 }
547 
548 static inline ULONGLONG ulonglong_bswap(ULONGLONG ll)
549 {
550     return ((ULONGLONG)ulong_bswap((ULONG)ll) << 32) | ulong_bswap((ULONG)(ll >> 32));
551 }
552 
553 static void byte_swap_ifd_data(char *data)
554 {
555     USHORT number_of_entries, i;
556     struct IFD_entry *entry;
557     char *data_start = data;
558 
559     number_of_entries = *(USHORT *)data;
560     *(USHORT *)data = ushort_bswap(*(USHORT *)data);
561     data += sizeof(USHORT);
562 
563     for (i = 0; i < number_of_entries; i++)
564     {
565         entry = (struct IFD_entry *)data;
566 
567         switch (entry->type)
568         {
569         case IFD_BYTE:
570         case IFD_SBYTE:
571         case IFD_ASCII:
572         case IFD_UNDEFINED:
573             if (entry->count > 4)
574                 entry->value = ulong_bswap(entry->value);
575             break;
576 
577         case IFD_SHORT:
578         case IFD_SSHORT:
579             if (entry->count > 2)
580             {
581                 ULONG j, count = entry->count;
582                 USHORT *us = (USHORT *)(data_start + entry->value);
583                 if (!count) count = 1;
584                 for (j = 0; j < count; j++)
585                     us[j] = ushort_bswap(us[j]);
586 
587                 entry->value = ulong_bswap(entry->value);
588             }
589             else
590             {
591                 ULONG j, count = entry->count;
592                 USHORT *us = (USHORT *)&entry->value;
593                 if (!count) count = 1;
594                 for (j = 0; j < count; j++)
595                     us[j] = ushort_bswap(us[j]);
596             }
597             break;
598 
599         case IFD_LONG:
600         case IFD_SLONG:
601         case IFD_FLOAT:
602             if (entry->count > 1)
603             {
604                 ULONG j, count = entry->count;
605                 ULONG *ul = (ULONG *)(data_start + entry->value);
606                 if (!count) count = 1;
607                 for (j = 0; j < count; j++)
608                     ul[j] = ulong_bswap(ul[j]);
609             }
610             entry->value = ulong_bswap(entry->value);
611             break;
612 
613         case IFD_RATIONAL:
614         case IFD_SRATIONAL:
615             {
616                 ULONG j;
617                 ULONG *ul = (ULONG *)(data_start + entry->value);
618                 for (j = 0; j < entry->count * 2; j++)
619                     ul[j] = ulong_bswap(ul[j]);
620             }
621             entry->value = ulong_bswap(entry->value);
622             break;
623 
624         case IFD_DOUBLE:
625             {
626                 ULONG j;
627                 ULONGLONG *ull = (ULONGLONG *)(data_start + entry->value);
628                 for (j = 0; j < entry->count; j++)
629                     ull[j] = ulonglong_bswap(ull[j]);
630             }
631             entry->value = ulong_bswap(entry->value);
632             break;
633 
634         default:
635             assert(0);
636             break;
637         }
638 
639         entry->id = ushort_bswap(entry->id);
640         entry->type = ushort_bswap(entry->type);
641         entry->count = ulong_bswap(entry->count);
642         data += sizeof(*entry);
643     }
644 }
645 
646 struct test_data
647 {
648     ULONG type, id;
649     int count; /* if VT_VECTOR */
650     LONGLONG value[13];
651     const char *string;
652     const WCHAR id_string[32];
653 };
654 
655 static void compare_metadata(IWICMetadataReader *reader, const struct test_data *td, ULONG count)
656 {
657     HRESULT hr;
658     IWICEnumMetadataItem *enumerator;
659     PROPVARIANT schema, id, value;
660     ULONG items_returned, i;
661 
662     hr = IWICMetadataReader_GetEnumerator(reader, NULL);
663     ok(hr == E_INVALIDARG, "GetEnumerator error %#x\n", hr);
664 
665     hr = IWICMetadataReader_GetEnumerator(reader, &enumerator);
666     ok(hr == S_OK, "GetEnumerator error %#x\n", hr);
667 
668     PropVariantInit(&schema);
669     PropVariantInit(&id);
670     PropVariantInit(&value);
671 
672     for (i = 0; i < count; i++)
673     {
674         hr = IWICEnumMetadataItem_Next(enumerator, 1, &schema, &id, &value, &items_returned);
675         ok(hr == S_OK, "Next error %#x\n", hr);
676         ok(items_returned == 1, "unexpected item count %u\n", items_returned);
677 
678         ok(schema.vt == VT_EMPTY, "%u: unexpected vt: %u\n", i, schema.vt);
679         ok(id.vt == VT_UI2 || id.vt == VT_LPWSTR || id.vt == VT_EMPTY, "%u: unexpected vt: %u\n", i, id.vt);
680         if (id.vt == VT_UI2)
681             ok(U(id).uiVal == td[i].id, "%u: expected id %#x, got %#x\n", i, td[i].id, U(id).uiVal);
682         else if (id.vt == VT_LPWSTR)
683             ok(!lstrcmpW(td[i].id_string, U(id).pwszVal),
684                "%u: expected %s, got %s\n", i, wine_dbgstr_w(td[i].id_string), wine_dbgstr_w(U(id).pwszVal));
685 
686         ok(value.vt == td[i].type, "%u: expected vt %#x, got %#x\n", i, td[i].type, value.vt);
687         if (value.vt & VT_VECTOR)
688         {
689             ULONG j;
690             switch (value.vt & ~VT_VECTOR)
691             {
692             case VT_I1:
693             case VT_UI1:
694                 ok(td[i].count == U(value).caub.cElems, "%u: expected cElems %d, got %d\n", i, td[i].count, U(value).caub.cElems);
695                 for (j = 0; j < U(value).caub.cElems; j++)
696                     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]);
697                 break;
698             case VT_I2:
699             case VT_UI2:
700                 ok(td[i].count == U(value).caui.cElems, "%u: expected cElems %d, got %d\n", i, td[i].count, U(value).caui.cElems);
701                 for (j = 0; j < U(value).caui.cElems; j++)
702                     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]);
703                 break;
704             case VT_I4:
705             case VT_UI4:
706             case VT_R4:
707                 ok(td[i].count == U(value).caul.cElems, "%u: expected cElems %d, got %d\n", i, td[i].count, U(value).caul.cElems);
708                 for (j = 0; j < U(value).caul.cElems; j++)
709                     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]);
710                 break;
711             case VT_I8:
712             case VT_UI8:
713             case VT_R8:
714                 ok(td[i].count == U(value).cauh.cElems, "%u: expected cElems %d, got %d\n", i, td[i].count, U(value).cauh.cElems);
715                 for (j = 0; j < U(value).cauh.cElems; j++)
716                     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);
717                 break;
718             case VT_LPSTR:
719                 ok(td[i].count == U(value).calpstr.cElems, "%u: expected cElems %d, got %d\n", i, td[i].count, U(value).caub.cElems);
720                 for (j = 0; j < U(value).calpstr.cElems; j++)
721                     trace("%u: %s\n", j, U(value).calpstr.pElems[j]);
722                 /* fall through to not handled message */
723             default:
724                 ok(0, "%u: array of type %d is not handled\n", i, value.vt & ~VT_VECTOR);
725                 break;
726             }
727         }
728         else if (value.vt == VT_LPSTR)
729         {
730             ok(td[i].count == strlen(U(value).pszVal) ||
731                broken(td[i].count == strlen(U(value).pszVal) + 1), /* before Win7 */
732                "%u: expected count %d, got %d\n", i, td[i].count, lstrlenA(U(value).pszVal));
733             if (td[i].count == strlen(U(value).pszVal))
734                 ok(!strcmp(td[i].string, U(value).pszVal),
735                    "%u: expected %s, got %s\n", i, td[i].string, U(value).pszVal);
736         }
737         else if (value.vt == VT_BLOB)
738         {
739             ok(td[i].count == U(value).blob.cbSize, "%u: expected count %d, got %d\n", i, td[i].count, U(value).blob.cbSize);
740             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);
741         }
742         else
743             ok(U(value).uhVal.QuadPart == td[i].value[0], "%u: expected value %#x/%#x got %#x/%#x\n",
744                i, (UINT)td[i].value[0], (UINT)(td[i].value[0] >> 32), U(value).uhVal.u.LowPart, U(value).uhVal.u.HighPart);
745 
746         PropVariantClear(&schema);
747         PropVariantClear(&id);
748         PropVariantClear(&value);
749     }
750 
751     hr = IWICEnumMetadataItem_Next(enumerator, 1, &schema, &id, &value, &items_returned);
752     ok(hr == S_FALSE, "Next should fail\n");
753     ok(items_returned == 0, "unexpected item count %u\n", items_returned);
754 
755     IWICEnumMetadataItem_Release(enumerator);
756 }
757 
758 static void test_metadata_IFD(void)
759 {
760     static const struct test_data td[28] =
761     {
762         { VT_UI2, 0xfe, 0, { 1 } },
763         { VT_UI4, 0x100, 0, { 222 } },
764         { VT_UI4, 0x101, 0, { 333 } },
765         { VT_UI2, 0x102, 0, { 24 } },
766         { VT_UI4, 0x103, 0, { 32773 } },
767         { VT_UI8, 0x11a, 0, { ((LONGLONG)3 << 32) | 900 } },
768         { VT_UI1, 0xf001, 0, { 0x44 } },
769         { VT_UI1|VT_VECTOR, 0xf002, 4, { 0x44, 0x33, 0x22, 0x11 } },
770         { VT_I1, 0xf003, 0, { 0x44 } },
771         { VT_I2, 0xf004, 0, { 0x3344 } },
772         { VT_I2|VT_VECTOR, 0xf005, 2, { 0x3344, 0x1122 } },
773         { VT_I4, 0xf006, 0, { 0x11223344 } },
774         { VT_R4, 0xf007, 0, { 0x11223344 } },
775         { VT_R8, 0xf008, 0, { ((LONGLONG)0x41d26580 << 32) | 0xb486522c } },
776         { VT_I8, 0xf009, 0, { ((LONGLONG)0x5a6b7c8d << 32) | 0x1a2b3c4d } },
777         { VT_UI1|VT_VECTOR, 0xf00a, 13, { 'H','e','l','l','o',' ','W','o','r','l','d','!',0 } },
778         { VT_I2|VT_VECTOR, 0xf00b, 4, { 0x0101, 0x0202, 0x0303, 0x0404 } },
779         { VT_I4|VT_VECTOR, 0xf00c, 2, { 0x11223344, 0x55667788 } },
780         { VT_R4|VT_VECTOR, 0xf00d, 2, { 0x449a522b, 0x4608f5ba } },
781         { VT_LPSTR, 0xf00e, 12, { 0 }, "Hello World!" },
782         { VT_LPSTR, 0xf00f, 4, { 0 }, "abcd" },
783         { VT_BLOB, 0xf010, 13, { 0 }, "Hello World!" },
784         { VT_BLOB, 0xf011, 4, { 0 }, "abcd" },
785         { VT_UI1, 0xf012, 0, { 0x44 } },
786         { VT_UI2, 0xf013, 0, { 0x3344 } },
787         { VT_UI4, 0xf014, 0, { 0x11223344 } },
788         { VT_R4, 0xf015, 0, { 0x11223344 } },
789         { VT_I8|VT_VECTOR, 0xf016, 3,
790           { ((LONGLONG)0x05060708 << 32) | 0x01020304,
791             ((LONGLONG)0x50607080 << 32) | 0x10203040,
792             ((LONGLONG)0x55667788 << 32) | 0x11223344 } },
793     };
794     HRESULT hr;
795     IWICMetadataReader *reader;
796     IWICMetadataBlockReader *blockreader;
797     PROPVARIANT schema, id, value;
798     ULONG count;
799     GUID format;
800     char *IFD_data_swapped;
801 #ifdef WORDS_BIGENDIAN
802     DWORD persist_options = WICPersistOptionBigEndian;
803 #else
804     DWORD persist_options = WICPersistOptionLittleEndian;
805 #endif
806 
807     hr = CoCreateInstance(&CLSID_WICIfdMetadataReader, NULL, CLSCTX_INPROC_SERVER,
808         &IID_IWICMetadataReader, (void**)&reader);
809     ok(hr == S_OK, "CoCreateInstance error %#x\n", hr);
810 
811     hr = IWICMetadataReader_GetCount(reader, NULL);
812     ok(hr == E_INVALIDARG, "GetCount error %#x\n", hr);
813 
814     hr = IWICMetadataReader_GetCount(reader, &count);
815     ok(hr == S_OK, "GetCount error %#x\n", hr);
816     ok(count == 0, "unexpected count %u\n", count);
817 
818     load_stream((IUnknown*)reader, (const char *)&IFD_data, sizeof(IFD_data), persist_options);
819 
820     hr = IWICMetadataReader_GetCount(reader, &count);
821     ok(hr == S_OK, "GetCount error %#x\n", hr);
822     ok(count == ARRAY_SIZE(td), "unexpected count %u\n", count);
823 
824     compare_metadata(reader, td, count);
825 
826     /* test IFD data with different endianness */
827     if (persist_options == WICPersistOptionLittleEndian)
828         persist_options = WICPersistOptionBigEndian;
829     else
830         persist_options = WICPersistOptionLittleEndian;
831 
832     IFD_data_swapped = HeapAlloc(GetProcessHeap(), 0, sizeof(IFD_data));
833     memcpy(IFD_data_swapped, &IFD_data, sizeof(IFD_data));
834     byte_swap_ifd_data(IFD_data_swapped);
835     load_stream((IUnknown *)reader, IFD_data_swapped, sizeof(IFD_data), persist_options);
836     hr = IWICMetadataReader_GetCount(reader, &count);
837     ok(hr == S_OK, "GetCount error %#x\n", hr);
838     ok(count == ARRAY_SIZE(td), "unexpected count %u\n", count);
839     compare_metadata(reader, td, count);
840     HeapFree(GetProcessHeap(), 0, IFD_data_swapped);
841 
842     hr = IWICMetadataReader_GetMetadataFormat(reader, &format);
843     ok(hr == S_OK, "GetMetadataFormat error %#x\n", hr);
844     ok(IsEqualGUID(&format, &GUID_MetadataFormatIfd), "unexpected format %s\n", wine_dbgstr_guid(&format));
845 
846     hr = IWICMetadataReader_GetMetadataFormat(reader, NULL);
847     ok(hr == E_INVALIDARG, "GetMetadataFormat should fail\n");
848 
849     hr = IWICMetadataReader_GetValueByIndex(reader, 0, NULL, NULL, NULL);
850     ok(hr == S_OK, "GetValueByIndex error %#x\n", hr);
851 
852     PropVariantInit(&schema);
853     PropVariantInit(&id);
854     PropVariantInit(&value);
855 
856     hr = IWICMetadataReader_GetValueByIndex(reader, count - 1, NULL, NULL, NULL);
857     ok(hr == S_OK, "GetValueByIndex error %#x\n", hr);
858 
859     hr = IWICMetadataReader_GetValueByIndex(reader, 0, &schema, NULL, NULL);
860     ok(hr == S_OK, "GetValueByIndex error %#x\n", hr);
861     ok(schema.vt == VT_EMPTY, "unexpected vt: %u\n", schema.vt);
862 
863     hr = IWICMetadataReader_GetValueByIndex(reader, count - 1, &schema, NULL, NULL);
864     ok(hr == S_OK, "GetValueByIndex error %#x\n", hr);
865     ok(schema.vt == VT_EMPTY, "unexpected vt: %u\n", schema.vt);
866 
867     hr = IWICMetadataReader_GetValueByIndex(reader, 0, NULL, &id, NULL);
868     ok(hr == S_OK, "GetValueByIndex error %#x\n", hr);
869     ok(id.vt == VT_UI2, "unexpected vt: %u\n", id.vt);
870     ok(U(id).uiVal == 0xfe, "unexpected id: %#x\n", U(id).uiVal);
871     PropVariantClear(&id);
872 
873     hr = IWICMetadataReader_GetValueByIndex(reader, 0, NULL, NULL, &value);
874     ok(hr == S_OK, "GetValueByIndex error %#x\n", hr);
875     ok(value.vt == VT_UI2, "unexpected vt: %u\n", value.vt);
876     ok(U(value).uiVal == 1, "unexpected id: %#x\n", U(value).uiVal);
877     PropVariantClear(&value);
878 
879     hr = IWICMetadataReader_GetValueByIndex(reader, count, &schema, NULL, NULL);
880     ok(hr == E_INVALIDARG, "expected E_INVALIDARG, got %#x\n", hr);
881 
882     PropVariantInit(&schema);
883     PropVariantInit(&id);
884     PropVariantInit(&value);
885 
886     hr = IWICMetadataReader_GetValue(reader, &schema, &id, &value);
887     ok(hr == WINCODEC_ERR_PROPERTYNOTFOUND, "expected WINCODEC_ERR_PROPERTYNOTFOUND, got %#x\n", hr);
888 
889     hr = IWICMetadataReader_GetValue(reader, NULL, &id, NULL);
890     ok(hr == WINCODEC_ERR_PROPERTYNOTFOUND, "expected WINCODEC_ERR_PROPERTYNOTFOUND, got %#x\n", hr);
891 
892     hr = IWICMetadataReader_GetValue(reader, &schema, NULL, NULL);
893     ok(hr == E_INVALIDARG, "expected E_INVALIDARG, got %#x\n", hr);
894 
895     hr = IWICMetadataReader_GetValue(reader, &schema, &id, NULL);
896     ok(hr == WINCODEC_ERR_PROPERTYNOTFOUND, "expected WINCODEC_ERR_PROPERTYNOTFOUND, got %#x\n", hr);
897 
898     hr = IWICMetadataReader_GetValue(reader, &schema, NULL, &value);
899     ok(hr == E_INVALIDARG, "expected E_INVALIDARG, got %#x\n", hr);
900 
901     id.vt = VT_UI2;
902     U(id).uiVal = 0xf00e;
903     hr = IWICMetadataReader_GetValue(reader, NULL, &id, NULL);
904     ok(hr == S_OK, "GetValue error %#x\n", hr);
905 
906     /* schema is ignored by Ifd metadata reader */
907     schema.vt = VT_UI4;
908     U(schema).ulVal = 0xdeadbeef;
909     hr = IWICMetadataReader_GetValue(reader, &schema, &id, &value);
910     ok(hr == S_OK, "GetValue error %#x\n", hr);
911     ok(value.vt == VT_LPSTR, "unexpected vt: %i\n", id.vt);
912     ok(!strcmp(U(value).pszVal, "Hello World!"), "unexpected value: %s\n", U(value).pszVal);
913     PropVariantClear(&value);
914 
915     hr = IWICMetadataReader_GetValue(reader, NULL, &id, &value);
916     ok(hr == S_OK, "GetValue error %#x\n", hr);
917     ok(value.vt == VT_LPSTR, "unexpected vt: %i\n", id.vt);
918     ok(!strcmp(U(value).pszVal, "Hello World!"), "unexpected value: %s\n", U(value).pszVal);
919     PropVariantClear(&value);
920 
921     hr = IWICMetadataReader_QueryInterface(reader, &IID_IWICMetadataBlockReader, (void**)&blockreader);
922     ok(hr == E_NOINTERFACE, "QueryInterface failed, hr=%x\n", hr);
923 
924     if (SUCCEEDED(hr))
925         IWICMetadataBlockReader_Release(blockreader);
926 
927     IWICMetadataReader_Release(reader);
928 }
929 
930 static void test_metadata_Exif(void)
931 {
932     HRESULT hr;
933     IWICMetadataReader *reader;
934     IWICMetadataBlockReader *blockreader;
935     UINT count=0;
936 
937     hr = CoCreateInstance(&CLSID_WICExifMetadataReader, NULL, CLSCTX_INPROC_SERVER,
938         &IID_IWICMetadataReader, (void**)&reader);
939     todo_wine ok(hr == S_OK, "CoCreateInstance error %#x\n", hr);
940     if (FAILED(hr)) return;
941 
942     hr = IWICMetadataReader_GetCount(reader, NULL);
943     ok(hr == E_INVALIDARG, "GetCount error %#x\n", hr);
944 
945     hr = IWICMetadataReader_GetCount(reader, &count);
946     ok(hr == S_OK, "GetCount error %#x\n", hr);
947     ok(count == 0, "unexpected count %u\n", count);
948 
949     hr = IWICMetadataReader_QueryInterface(reader, &IID_IWICMetadataBlockReader, (void**)&blockreader);
950     ok(hr == E_NOINTERFACE, "QueryInterface failed, hr=%x\n", hr);
951 
952     if (SUCCEEDED(hr))
953         IWICMetadataBlockReader_Release(blockreader);
954 
955     IWICMetadataReader_Release(reader);
956 }
957 
958 static void test_create_reader(void)
959 {
960     HRESULT hr;
961     IWICComponentFactory *factory;
962     IStream *stream;
963     IWICMetadataReader *reader;
964     UINT count=0;
965     GUID format;
966 
967     hr = CoCreateInstance(&CLSID_WICImagingFactory, NULL, CLSCTX_INPROC_SERVER,
968         &IID_IWICComponentFactory, (void**)&factory);
969     ok(hr == S_OK, "CoCreateInstance failed, hr=%x\n", hr);
970 
971     stream = create_stream(metadata_tEXt, sizeof(metadata_tEXt));
972 
973     hr = IWICComponentFactory_CreateMetadataReaderFromContainer(factory,
974         NULL, NULL, WICPersistOptionDefault,
975         stream, &reader);
976     ok(hr == E_INVALIDARG, "CreateMetadataReaderFromContainer failed, hr=%x\n", hr);
977 
978     hr = IWICComponentFactory_CreateMetadataReaderFromContainer(factory,
979         &GUID_ContainerFormatPng, NULL, WICPersistOptionDefault,
980         NULL, &reader);
981     ok(hr == E_INVALIDARG, "CreateMetadataReaderFromContainer failed, hr=%x\n", hr);
982 
983     hr = IWICComponentFactory_CreateMetadataReaderFromContainer(factory,
984         &GUID_ContainerFormatPng, NULL, WICPersistOptionDefault,
985         stream, NULL);
986     ok(hr == E_INVALIDARG, "CreateMetadataReaderFromContainer failed, hr=%x\n", hr);
987 
988     hr = IWICComponentFactory_CreateMetadataReaderFromContainer(factory,
989         &GUID_ContainerFormatPng, NULL, WICPersistOptionDefault,
990         stream, &reader);
991     ok(hr == S_OK, "CreateMetadataReaderFromContainer failed, hr=%x\n", hr);
992 
993     if (SUCCEEDED(hr))
994     {
995         hr = IWICMetadataReader_GetCount(reader, &count);
996         ok(hr == S_OK, "GetCount failed, hr=%x\n", hr);
997         ok(count == 1, "unexpected count %i\n", count);
998 
999         hr = IWICMetadataReader_GetMetadataFormat(reader, &format);
1000         ok(hr == S_OK, "GetMetadataFormat failed, hr=%x\n", hr);
1001         ok(IsEqualGUID(&format, &GUID_MetadataFormatChunktEXt), "unexpected format %s\n", wine_dbgstr_guid(&format));
1002 
1003         IWICMetadataReader_Release(reader);
1004     }
1005 
1006     hr = IWICComponentFactory_CreateMetadataReaderFromContainer(factory,
1007         &GUID_ContainerFormatWmp, NULL, WICPersistOptionDefault,
1008         stream, &reader);
1009     ok(hr == S_OK, "CreateMetadataReaderFromContainer failed, hr=%x\n", hr);
1010 
1011     if (SUCCEEDED(hr))
1012     {
1013         hr = IWICMetadataReader_GetCount(reader, &count);
1014         ok(hr == S_OK, "GetCount failed, hr=%x\n", hr);
1015         ok(count == 1, "unexpected count %i\n", count);
1016 
1017         hr = IWICMetadataReader_GetMetadataFormat(reader, &format);
1018         ok(hr == S_OK, "GetMetadataFormat failed, hr=%x\n", hr);
1019         ok(IsEqualGUID(&format, &GUID_MetadataFormatUnknown), "unexpected format %s\n", wine_dbgstr_guid(&format));
1020 
1021         IWICMetadataReader_Release(reader);
1022     }
1023 
1024     IStream_Release(stream);
1025 
1026     IWICComponentFactory_Release(factory);
1027 }
1028 
1029 static void test_metadata_png(void)
1030 {
1031     static const struct test_data td[6] =
1032     {
1033         { VT_UI2, 0, 0, { 2005 }, NULL, { 'Y','e','a','r',0 } },
1034         { VT_UI1, 0, 0, { 6 }, NULL, { 'M','o','n','t','h',0 } },
1035         { VT_UI1, 0, 0, { 3 }, NULL, { 'D','a','y',0 } },
1036         { VT_UI1, 0, 0, { 15 }, NULL, { 'H','o','u','r',0 } },
1037         { VT_UI1, 0, 0, { 7 }, NULL, { 'M','i','n','u','t','e',0 } },
1038         { VT_UI1, 0, 0, { 45 }, NULL, { 'S','e','c','o','n','d',0 } }
1039     };
1040     IStream *stream;
1041     IWICBitmapDecoder *decoder;
1042     IWICBitmapFrameDecode *frame;
1043     IWICMetadataBlockReader *blockreader;
1044     IWICMetadataReader *reader;
1045     IWICMetadataQueryReader *queryreader;
1046     IWICComponentFactory *factory;
1047     GUID containerformat;
1048     HRESULT hr;
1049     UINT count=0xdeadbeef;
1050 
1051     hr = CoCreateInstance(&CLSID_WICPngDecoder, NULL, CLSCTX_INPROC_SERVER,
1052         &IID_IWICBitmapDecoder, (void**)&decoder);
1053     ok(hr == S_OK, "CoCreateInstance failed, hr=%x\n", hr);
1054 
1055     if (FAILED(hr)) return;
1056 
1057     stream = create_stream(pngimage, sizeof(pngimage));
1058 
1059     hr = IWICBitmapDecoder_Initialize(decoder, stream, WICDecodeMetadataCacheOnLoad);
1060     ok(hr == S_OK, "Initialize failed, hr=%x\n", hr);
1061 
1062     hr = IWICBitmapDecoder_QueryInterface(decoder, &IID_IWICMetadataBlockReader, (void**)&blockreader);
1063     ok(hr == E_NOINTERFACE, "QueryInterface failed, hr=%x\n", hr);
1064 
1065     hr = IWICBitmapDecoder_GetFrame(decoder, 0, &frame);
1066     ok(hr == S_OK, "GetFrame failed, hr=%x\n", hr);
1067 
1068     hr = IWICBitmapFrameDecode_QueryInterface(frame, &IID_IWICMetadataBlockReader, (void**)&blockreader);
1069     ok(hr == S_OK, "QueryInterface failed, hr=%x\n", hr);
1070 
1071     if (SUCCEEDED(hr))
1072     {
1073         hr = IWICMetadataBlockReader_GetContainerFormat(blockreader, NULL);
1074         ok(hr == E_INVALIDARG, "GetContainerFormat failed, hr=%x\n", hr);
1075 
1076         hr = IWICMetadataBlockReader_GetContainerFormat(blockreader, &containerformat);
1077         ok(hr == S_OK, "GetContainerFormat failed, hr=%x\n", hr);
1078         ok(IsEqualGUID(&containerformat, &GUID_ContainerFormatPng), "unexpected container format\n");
1079 
1080         hr = IWICMetadataBlockReader_GetCount(blockreader, NULL);
1081         ok(hr == E_INVALIDARG, "GetCount failed, hr=%x\n", hr);
1082 
1083         hr = IWICMetadataBlockReader_GetCount(blockreader, &count);
1084         ok(hr == S_OK, "GetCount failed, hr=%x\n", hr);
1085         ok(count == 1, "unexpected count %d\n", count);
1086 
1087         if (0)
1088         {
1089             /* Crashes on Windows XP */
1090             hr = IWICMetadataBlockReader_GetReaderByIndex(blockreader, 0, NULL);
1091             ok(hr == E_INVALIDARG, "GetReaderByIndex failed, hr=%x\n", hr);
1092         }
1093 
1094         hr = IWICMetadataBlockReader_GetReaderByIndex(blockreader, 0, &reader);
1095         ok(hr == S_OK, "GetReaderByIndex failed, hr=%x\n", hr);
1096 
1097         if (SUCCEEDED(hr))
1098         {
1099             hr = IWICMetadataReader_GetMetadataFormat(reader, &containerformat);
1100             ok(hr == S_OK, "GetMetadataFormat failed, hr=%#x\n", hr);
1101             todo_wine ok(IsEqualGUID(&containerformat, &GUID_MetadataFormatChunktIME) ||
1102                broken(IsEqualGUID(&containerformat, &GUID_MetadataFormatUnknown)) /* Windows XP */,
1103                "unexpected container format\n");
1104 
1105             hr = IWICMetadataReader_GetCount(reader, &count);
1106             ok(hr == S_OK, "GetCount error %#x\n", hr);
1107             todo_wine ok(count == 6 || broken(count == 1) /* XP */, "expected 6, got %u\n", count);
1108             if (count == 6)
1109                 compare_metadata(reader, td, count);
1110 
1111             IWICMetadataReader_Release(reader);
1112         }
1113 
1114         hr = IWICMetadataBlockReader_GetReaderByIndex(blockreader, 1, &reader);
1115         todo_wine ok(hr == WINCODEC_ERR_VALUEOUTOFRANGE, "GetReaderByIndex failed, hr=%x\n", hr);
1116 
1117         hr = CoCreateInstance(&CLSID_WICImagingFactory, NULL, CLSCTX_INPROC_SERVER,
1118             &IID_IWICComponentFactory, (void**)&factory);
1119         ok(hr == S_OK, "CoCreateInstance failed, hr=%x\n", hr);
1120 
1121         hr = IWICComponentFactory_CreateQueryReaderFromBlockReader(factory, NULL, &queryreader);
1122         ok(hr == E_INVALIDARG, "CreateQueryReaderFromBlockReader should have failed: %08x\n", hr);
1123 
1124         hr = IWICComponentFactory_CreateQueryReaderFromBlockReader(factory, blockreader, NULL);
1125         ok(hr == E_INVALIDARG, "CreateQueryReaderFromBlockReader should have failed: %08x\n", hr);
1126 
1127         hr = IWICComponentFactory_CreateQueryReaderFromBlockReader(factory, blockreader, &queryreader);
1128         ok(hr == S_OK, "CreateQueryReaderFromBlockReader failed: %08x\n", hr);
1129 
1130         IWICMetadataQueryReader_Release(queryreader);
1131 
1132         IWICComponentFactory_Release(factory);
1133 
1134         IWICMetadataBlockReader_Release(blockreader);
1135     }
1136 
1137     hr = IWICBitmapFrameDecode_GetMetadataQueryReader(frame, &queryreader);
1138     ok(hr == S_OK, "GetMetadataQueryReader failed: %08x\n", hr);
1139 
1140     if (SUCCEEDED(hr))
1141     {
1142         IWICMetadataQueryReader_Release(queryreader);
1143     }
1144 
1145     IWICBitmapFrameDecode_Release(frame);
1146 
1147     IWICBitmapDecoder_Release(decoder);
1148 
1149     IStream_Release(stream);
1150 }
1151 
1152 static void test_metadata_gif(void)
1153 {
1154     static const struct test_data gif_LSD[9] =
1155     {
1156         { VT_UI1|VT_VECTOR, 0, 6, {'G','I','F','8','7','a'}, NULL, { 'S','i','g','n','a','t','u','r','e',0 } },
1157         { VT_UI2, 0, 0, { 1 }, NULL, { 'W','i','d','t','h',0 } },
1158         { VT_UI2, 0, 0, { 1 }, NULL, { 'H','e','i','g','h','t',0 } },
1159         { 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 } },
1160         { VT_UI1, 0, 0, { 0 }, NULL, { 'C','o','l','o','r','R','e','s','o','l','u','t','i','o','n',0 } },
1161         { VT_BOOL, 0, 0, { 0 }, NULL, { 'S','o','r','t','F','l','a','g',0 } },
1162         { 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 } },
1163         { 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 } },
1164         { VT_UI1, 0, 0, { 0 }, NULL, { 'P','i','x','e','l','A','s','p','e','c','t','R','a','t','i','o',0 } }
1165     };
1166     static const struct test_data gif_IMD[8] =
1167     {
1168         { VT_UI2, 0, 0, { 0 }, NULL, { 'L','e','f','t',0 } },
1169         { VT_UI2, 0, 0, { 0 }, NULL, { 'T','o','p',0 } },
1170         { VT_UI2, 0, 0, { 1 }, NULL, { 'W','i','d','t','h',0 } },
1171         { VT_UI2, 0, 0, { 1 }, NULL, { 'H','e','i','g','h','t',0 } },
1172         { 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 } },
1173         { VT_BOOL, 0, 0, { 0 }, NULL, { 'I','n','t','e','r','l','a','c','e','F','l','a','g',0 } },
1174         { VT_BOOL, 0, 0, { 0 }, NULL, { 'S','o','r','t','F','l','a','g',0 } },
1175         { 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 } }
1176     };
1177     static const struct test_data animated_gif_LSD[9] =
1178     {
1179         { VT_UI1|VT_VECTOR, 0, 6, {'G','I','F','8','9','a'}, NULL, { 'S','i','g','n','a','t','u','r','e',0 } },
1180         { VT_UI2, 0, 0, { 1 }, NULL, { 'W','i','d','t','h',0 } },
1181         { VT_UI2, 0, 0, { 1 }, NULL, { 'H','e','i','g','h','t',0 } },
1182         { 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 } },
1183         { VT_UI1, 0, 0, { 2 }, NULL, { 'C','o','l','o','r','R','e','s','o','l','u','t','i','o','n',0 } },
1184         { VT_BOOL, 0, 0, { 0 }, NULL, { 'S','o','r','t','F','l','a','g',0 } },
1185         { 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 } },
1186         { 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 } },
1187         { VT_UI1, 0, 0, { 0 }, NULL, { 'P','i','x','e','l','A','s','p','e','c','t','R','a','t','i','o',0 } }
1188     };
1189     static const struct test_data animated_gif_IMD[8] =
1190     {
1191         { VT_UI2, 0, 0, { 0 }, NULL, { 'L','e','f','t',0 } },
1192         { VT_UI2, 0, 0, { 0 }, NULL, { 'T','o','p',0 } },
1193         { VT_UI2, 0, 0, { 1 }, NULL, { 'W','i','d','t','h',0 } },
1194         { VT_UI2, 0, 0, { 1 }, NULL, { 'H','e','i','g','h','t',0 } },
1195         { 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 } },
1196         { VT_BOOL, 0, 0, { 0 }, NULL, { 'I','n','t','e','r','l','a','c','e','F','l','a','g',0 } },
1197         { VT_BOOL, 0, 0, { 0 }, NULL, { 'S','o','r','t','F','l','a','g',0 } },
1198         { 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 } }
1199     };
1200     static const struct test_data animated_gif_GCE[5] =
1201     {
1202         { VT_UI1, 0, 0, { 0 }, NULL, { 'D','i','s','p','o','s','a','l',0 } },
1203         { VT_BOOL, 0, 0, { 0 }, NULL, { 'U','s','e','r','I','n','p','u','t','F','l','a','g',0 } },
1204         { VT_BOOL, 0, 0, { 1 }, NULL, { 'T','r','a','n','s','p','a','r','e','n','c','y','F','l','a','g',0 } },
1205         { VT_UI2, 0, 0, { 10 }, NULL, { 'D','e','l','a','y',0 } },
1206         { 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 } }
1207     };
1208     static const struct test_data animated_gif_APE[2] =
1209     {
1210         { 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 } },
1211         { VT_UI1|VT_VECTOR, 0, 4, { 0x03,0x01,0x05,0x00 }, NULL, { 'D','a','t','a',0 } }
1212     };
1213     static const struct test_data animated_gif_comment_1[1] =
1214     {
1215         { VT_LPSTR, 0, 12, { 0 }, "Hello World!", { 'T','e','x','t','E','n','t','r','y',0 } }
1216     };
1217     static const struct test_data animated_gif_comment_2[1] =
1218     {
1219         { VT_LPSTR, 0, 8, { 0 }, "image #1", { 'T','e','x','t','E','n','t','r','y',0 } }
1220     };
1221     static const struct test_data animated_gif_plain_1[1] =
1222     {
1223         { VT_BLOB, 0, 17, { 0 }, "\x21\x01\x0d\x61nimation.gif" }
1224     };
1225     static const struct test_data animated_gif_plain_2[1] =
1226     {
1227         { VT_BLOB, 0, 16, { 0 }, "\x21\x01\x0cplaintext #1" }
1228     };
1229     IStream *stream;
1230     IWICBitmapDecoder *decoder;
1231     IWICBitmapFrameDecode *frame;
1232     IWICMetadataBlockReader *blockreader;
1233     IWICMetadataReader *reader;
1234     IWICMetadataQueryReader *queryreader;
1235     GUID format;
1236     HRESULT hr;
1237     UINT count;
1238 
1239     /* 1x1 pixel gif */
1240     stream = create_stream(gifimage, sizeof(gifimage));
1241 
1242     hr = CoCreateInstance(&CLSID_WICGifDecoder, NULL, CLSCTX_INPROC_SERVER,
1243                           &IID_IWICBitmapDecoder, (void **)&decoder);
1244     ok(hr == S_OK, "CoCreateInstance error %#x\n", hr);
1245     hr = IWICBitmapDecoder_Initialize(decoder, stream, WICDecodeMetadataCacheOnLoad);
1246     ok(hr == S_OK, "Initialize error %#x\n", hr);
1247 
1248     IStream_Release(stream);
1249 
1250     /* global metadata block */
1251     hr = IWICBitmapDecoder_QueryInterface(decoder, &IID_IWICMetadataBlockReader, (void **)&blockreader);
1252     ok(hr == S_OK || broken(hr == E_NOINTERFACE) /* before Win7 */, "QueryInterface error %#x\n", hr);
1253 
1254     if (SUCCEEDED(hr))
1255     {
1256         hr = IWICMetadataBlockReader_GetContainerFormat(blockreader, &format);
1257         ok(hr == S_OK, "GetContainerFormat error %#x\n", hr);
1258         ok(IsEqualGUID(&format, &GUID_ContainerFormatGif),
1259            "wrong container format %s\n", wine_dbgstr_guid(&format));
1260 
1261         hr = IWICMetadataBlockReader_GetCount(blockreader, &count);
1262         ok(hr == S_OK, "GetCount error %#x\n", hr);
1263         ok(count == 1, "expected 1, got %u\n", count);
1264 
1265         hr = IWICMetadataBlockReader_GetReaderByIndex(blockreader, 0, &reader);
1266         ok(hr == S_OK, "GetReaderByIndex error %#x\n", hr);
1267 
1268         if (SUCCEEDED(hr))
1269         {
1270             hr = IWICMetadataReader_GetMetadataFormat(reader, &format);
1271             ok(hr == S_OK, "GetMetadataFormat failed, hr=%#x\n", hr);
1272             ok(IsEqualGUID(&format, &GUID_MetadataFormatLSD), /* Logical Screen Descriptor */
1273                "wrong metadata format %s\n", wine_dbgstr_guid(&format));
1274 
1275             hr = IWICMetadataReader_GetCount(reader, &count);
1276             ok(hr == S_OK, "GetCount error %#x\n", hr);
1277             ok(count == ARRAY_SIZE(gif_LSD), "unexpected count %u\n", count);
1278 
1279             compare_metadata(reader, gif_LSD, count);
1280 
1281             IWICMetadataReader_Release(reader);
1282         }
1283 
1284         hr = IWICMetadataBlockReader_GetReaderByIndex(blockreader, 1, &reader);
1285         ok(hr == E_INVALIDARG, "expected E_INVALIDARG, got %#x\n", hr);
1286 
1287         IWICMetadataBlockReader_Release(blockreader);
1288     }
1289 
1290     /* frame metadata block */
1291     hr = IWICBitmapDecoder_GetFrame(decoder, 0, &frame);
1292     ok(hr == S_OK, "GetFrame error %#x\n", hr);
1293 
1294     hr = IWICBitmapFrameDecode_QueryInterface(frame, &IID_IWICMetadataBlockReader, (void **)&blockreader);
1295     ok(hr == S_OK || broken(hr == E_NOINTERFACE) /* before Win7 */, "QueryInterface error %#x\n", hr);
1296 
1297     if (SUCCEEDED(hr))
1298     {
1299         hr = IWICMetadataBlockReader_GetContainerFormat(blockreader, NULL);
1300         ok(hr == E_INVALIDARG, "expected E_INVALIDARG, got %#x\n", hr);
1301 
1302         hr = IWICMetadataBlockReader_GetContainerFormat(blockreader, &format);
1303         ok(hr == S_OK, "GetContainerFormat error %#x\n", hr);
1304         ok(IsEqualGUID(&format, &GUID_ContainerFormatGif),
1305            "wrong container format %s\n", wine_dbgstr_guid(&format));
1306 
1307         hr = IWICMetadataBlockReader_GetCount(blockreader, NULL);
1308         ok(hr == E_INVALIDARG, "expected E_INVALIDARG, got %#x\n", hr);
1309 
1310         hr = IWICMetadataBlockReader_GetCount(blockreader, &count);
1311         ok(hr == S_OK, "GetCount error %#x\n", hr);
1312         ok(count == 1, "expected 1, got %u\n", count);
1313 
1314         hr = IWICMetadataBlockReader_GetReaderByIndex(blockreader, 0, &reader);
1315         ok(hr == S_OK, "GetReaderByIndex error %#x\n", hr);
1316 
1317         if (SUCCEEDED(hr))
1318         {
1319             hr = IWICMetadataReader_GetMetadataFormat(reader, &format);
1320             ok(hr == S_OK, "GetMetadataFormat failed, hr=%#x\n", hr);
1321             ok(IsEqualGUID(&format, &GUID_MetadataFormatIMD), /* Image Descriptor */
1322                "wrong metadata format %s\n", wine_dbgstr_guid(&format));
1323 
1324             hr = IWICMetadataReader_GetCount(reader, &count);
1325             ok(hr == S_OK, "GetCount error %#x\n", hr);
1326             ok(count == ARRAY_SIZE(gif_IMD), "unexpected count %u\n", count);
1327 
1328             compare_metadata(reader, gif_IMD, count);
1329 
1330             IWICMetadataReader_Release(reader);
1331         }
1332 
1333         hr = IWICMetadataBlockReader_GetReaderByIndex(blockreader, 1, &reader);
1334         ok(hr == E_INVALIDARG, "expected E_INVALIDARG, got %#x\n", hr);
1335 
1336         IWICMetadataBlockReader_Release(blockreader);
1337     }
1338 
1339     IWICBitmapFrameDecode_Release(frame);
1340     IWICBitmapDecoder_Release(decoder);
1341 
1342     /* 1x1 pixel gif, 2 frames */
1343     stream = create_stream(animatedgif, sizeof(animatedgif));
1344 
1345     hr = CoCreateInstance(&CLSID_WICGifDecoder, NULL, CLSCTX_INPROC_SERVER,
1346                           &IID_IWICBitmapDecoder, (void **)&decoder);
1347     ok(hr == S_OK, "CoCreateInstance error %#x\n", hr);
1348     hr = IWICBitmapDecoder_Initialize(decoder, stream, WICDecodeMetadataCacheOnLoad);
1349     ok(hr == S_OK, "Initialize error %#x\n", hr);
1350 
1351     IStream_Release(stream);
1352 
1353     /* global metadata block */
1354     hr = IWICBitmapDecoder_QueryInterface(decoder, &IID_IWICMetadataBlockReader, (void **)&blockreader);
1355     ok(hr == S_OK || broken(hr == E_NOINTERFACE) /* before Win7 */, "QueryInterface error %#x\n", hr);
1356 
1357     if (SUCCEEDED(hr))
1358     {
1359         hr = IWICMetadataBlockReader_GetContainerFormat(blockreader, &format);
1360         ok(hr == S_OK, "GetContainerFormat error %#x\n", hr);
1361         ok(IsEqualGUID(&format, &GUID_ContainerFormatGif),
1362            "wrong container format %s\n", wine_dbgstr_guid(&format));
1363 
1364         hr = IWICMetadataBlockReader_GetCount(blockreader, &count);
1365         ok(hr == S_OK, "GetCount error %#x\n", hr);
1366         ok(count == 4, "expected 4, got %u\n", count);
1367 
1368         hr = IWICMetadataBlockReader_GetReaderByIndex(blockreader, 0, &reader);
1369         ok(hr == S_OK, "GetReaderByIndex error %#x\n", hr);
1370 
1371         if (SUCCEEDED(hr))
1372         {
1373             hr = IWICMetadataReader_GetMetadataFormat(reader, &format);
1374             ok(hr == S_OK, "GetMetadataFormat failed, hr=%#x\n", hr);
1375             ok(IsEqualGUID(&format, &GUID_MetadataFormatLSD), /* Logical Screen Descriptor */
1376                "wrong metadata format %s\n", wine_dbgstr_guid(&format));
1377 
1378             hr = IWICMetadataReader_GetCount(reader, &count);
1379             ok(hr == S_OK, "GetCount error %#x\n", hr);
1380             ok(count == ARRAY_SIZE(animated_gif_LSD), "unexpected count %u\n", count);
1381 
1382             compare_metadata(reader, animated_gif_LSD, count);
1383 
1384             IWICMetadataReader_Release(reader);
1385         }
1386 
1387         hr = IWICMetadataBlockReader_GetReaderByIndex(blockreader, 1, &reader);
1388         ok(hr == S_OK, "GetReaderByIndex error %#x\n", hr);
1389 
1390         if (SUCCEEDED(hr))
1391         {
1392             hr = IWICMetadataReader_GetMetadataFormat(reader, &format);
1393             ok(hr == S_OK, "GetMetadataFormat failed, hr=%#x\n", hr);
1394             ok(IsEqualGUID(&format, &GUID_MetadataFormatAPE), /* Application Extension */
1395                "wrong metadata format %s\n", wine_dbgstr_guid(&format));
1396 
1397             hr = IWICMetadataReader_GetCount(reader, &count);
1398             ok(hr == S_OK, "GetCount error %#x\n", hr);
1399             ok(count == ARRAY_SIZE(animated_gif_APE), "unexpected count %u\n", count);
1400 
1401             compare_metadata(reader, animated_gif_APE, count);
1402 
1403             IWICMetadataReader_Release(reader);
1404         }
1405 
1406         hr = IWICMetadataBlockReader_GetReaderByIndex(blockreader, 2, &reader);
1407         ok(hr == S_OK, "GetReaderByIndex error %#x\n", hr);
1408 
1409         if (SUCCEEDED(hr))
1410         {
1411             hr = IWICMetadataReader_GetMetadataFormat(reader, &format);
1412             ok(hr == S_OK, "GetMetadataFormat failed, hr=%#x\n", hr);
1413             ok(IsEqualGUID(&format, &GUID_MetadataFormatGifComment), /* Comment Extension */
1414                "wrong metadata format %s\n", wine_dbgstr_guid(&format));
1415 
1416             hr = IWICMetadataReader_GetCount(reader, &count);
1417             ok(hr == S_OK, "GetCount error %#x\n", hr);
1418             ok(count == ARRAY_SIZE(animated_gif_comment_1), "unexpected count %u\n", count);
1419 
1420             compare_metadata(reader, animated_gif_comment_1, count);
1421 
1422             IWICMetadataReader_Release(reader);
1423         }
1424 
1425         hr = IWICMetadataBlockReader_GetReaderByIndex(blockreader, 3, &reader);
1426         ok(hr == S_OK, "GetReaderByIndex error %#x\n", hr);
1427 
1428         if (SUCCEEDED(hr))
1429         {
1430             hr = IWICMetadataReader_GetMetadataFormat(reader, &format);
1431             ok(hr == S_OK, "GetMetadataFormat failed, hr=%#x\n", hr);
1432             ok(IsEqualGUID(&format, &GUID_MetadataFormatUnknown),
1433                "wrong metadata format %s\n", wine_dbgstr_guid(&format));
1434 
1435             hr = IWICMetadataReader_GetCount(reader, &count);
1436             ok(hr == S_OK, "GetCount error %#x\n", hr);
1437             ok(count == ARRAY_SIZE(animated_gif_plain_1), "unexpected count %u\n", count);
1438 
1439             compare_metadata(reader, animated_gif_plain_1, count);
1440 
1441             IWICMetadataReader_Release(reader);
1442         }
1443 
1444         hr = IWICMetadataBlockReader_GetReaderByIndex(blockreader, 4, &reader);
1445         ok(hr == E_INVALIDARG, "expected E_INVALIDARG, got %#x\n", hr);
1446 
1447         IWICMetadataBlockReader_Release(blockreader);
1448     }
1449 
1450     /* frame metadata block */
1451     hr = IWICBitmapDecoder_GetFrame(decoder, 1, &frame);
1452     ok(hr == S_OK, "GetFrame error %#x\n", hr);
1453 
1454     hr = IWICBitmapFrameDecode_QueryInterface(frame, &IID_IWICMetadataBlockReader, (void **)&blockreader);
1455     ok(hr == S_OK || broken(hr == E_NOINTERFACE) /* before Win7 */, "QueryInterface error %#x\n", hr);
1456 
1457     if (SUCCEEDED(hr))
1458     {
1459         hr = IWICMetadataBlockReader_GetContainerFormat(blockreader, NULL);
1460         ok(hr == E_INVALIDARG, "expected E_INVALIDARG, got %#x\n", hr);
1461 
1462         hr = IWICMetadataBlockReader_GetContainerFormat(blockreader, &format);
1463         ok(hr == S_OK, "GetContainerFormat error %#x\n", hr);
1464         ok(IsEqualGUID(&format, &GUID_ContainerFormatGif),
1465            "wrong container format %s\n", wine_dbgstr_guid(&format));
1466 
1467         hr = IWICMetadataBlockReader_GetCount(blockreader, NULL);
1468         ok(hr == E_INVALIDARG, "expected E_INVALIDARG, got %#x\n", hr);
1469 
1470         hr = IWICMetadataBlockReader_GetCount(blockreader, &count);
1471         ok(hr == S_OK, "GetCount error %#x\n", hr);
1472         ok(count == 4, "expected 4, got %u\n", count);
1473 
1474         hr = IWICMetadataBlockReader_GetReaderByIndex(blockreader, 0, &reader);
1475         ok(hr == S_OK, "GetReaderByIndex error %#x\n", hr);
1476 
1477         if (SUCCEEDED(hr))
1478         {
1479             hr = IWICMetadataReader_GetMetadataFormat(reader, &format);
1480             ok(hr == S_OK, "GetMetadataFormat failed, hr=%#x\n", hr);
1481             ok(IsEqualGUID(&format, &GUID_MetadataFormatIMD), /* Image Descriptor */
1482                "wrong metadata format %s\n", wine_dbgstr_guid(&format));
1483 
1484             hr = IWICMetadataReader_GetCount(reader, &count);
1485             ok(hr == S_OK, "GetCount error %#x\n", hr);
1486             ok(count == ARRAY_SIZE(animated_gif_IMD), "unexpected count %u\n", count);
1487 
1488             compare_metadata(reader, animated_gif_IMD, count);
1489 
1490             IWICMetadataReader_Release(reader);
1491         }
1492 
1493         hr = IWICMetadataBlockReader_GetReaderByIndex(blockreader, 1, &reader);
1494         ok(hr == S_OK, "GetReaderByIndex error %#x\n", hr);
1495 
1496         if (SUCCEEDED(hr))
1497         {
1498             hr = IWICMetadataReader_GetMetadataFormat(reader, &format);
1499             ok(hr == S_OK, "GetMetadataFormat failed, hr=%#x\n", hr);
1500             ok(IsEqualGUID(&format, &GUID_MetadataFormatGifComment), /* Comment Extension */
1501                 "wrong metadata format %s\n", wine_dbgstr_guid(&format));
1502 
1503             hr = IWICMetadataReader_GetCount(reader, &count);
1504             ok(hr == S_OK, "GetCount error %#x\n", hr);
1505             ok(count == ARRAY_SIZE(animated_gif_comment_2), "unexpected count %u\n", count);
1506 
1507             if (count == 1)
1508             compare_metadata(reader, animated_gif_comment_2, count);
1509 
1510             IWICMetadataReader_Release(reader);
1511         }
1512 
1513         hr = IWICMetadataBlockReader_GetReaderByIndex(blockreader, 2, &reader);
1514         ok(hr == S_OK, "GetReaderByIndex error %#x\n", hr);
1515 
1516         if (SUCCEEDED(hr))
1517         {
1518             hr = IWICMetadataReader_GetMetadataFormat(reader, &format);
1519             ok(hr == S_OK, "GetMetadataFormat failed, hr=%#x\n", hr);
1520             ok(IsEqualGUID(&format, &GUID_MetadataFormatUnknown),
1521                "wrong metadata format %s\n", wine_dbgstr_guid(&format));
1522 
1523             hr = IWICMetadataReader_GetCount(reader, &count);
1524             ok(hr == S_OK, "GetCount error %#x\n", hr);
1525             ok(count == ARRAY_SIZE(animated_gif_plain_2), "unexpected count %u\n", count);
1526 
1527             compare_metadata(reader, animated_gif_plain_2, count);
1528 
1529             IWICMetadataReader_Release(reader);
1530         }
1531 
1532         hr = IWICMetadataBlockReader_GetReaderByIndex(blockreader, 3, &reader);
1533         ok(hr == S_OK, "GetReaderByIndex error %#x\n", hr);
1534 
1535         if (SUCCEEDED(hr))
1536         {
1537             hr = IWICMetadataReader_GetMetadataFormat(reader, &format);
1538             ok(hr == S_OK, "GetMetadataFormat failed, hr=%#x\n", hr);
1539             ok(IsEqualGUID(&format, &GUID_MetadataFormatGCE), /* Graphic Control Extension */
1540                "wrong metadata format %s\n", wine_dbgstr_guid(&format));
1541 
1542             hr = IWICMetadataReader_GetCount(reader, &count);
1543             ok(hr == S_OK, "GetCount error %#x\n", hr);
1544             ok(count == ARRAY_SIZE(animated_gif_GCE), "unexpected count %u\n", count);
1545 
1546             compare_metadata(reader, animated_gif_GCE, count);
1547 
1548             IWICMetadataReader_Release(reader);
1549         }
1550 
1551         hr = IWICMetadataBlockReader_GetReaderByIndex(blockreader, 4, &reader);
1552         ok(hr == E_INVALIDARG, "expected E_INVALIDARG, got %#x\n", hr);
1553 
1554         IWICMetadataBlockReader_Release(blockreader);
1555     }
1556 
1557     hr = IWICBitmapDecoder_GetMetadataQueryReader(decoder, &queryreader);
1558     ok(hr == S_OK || broken(hr == WINCODEC_ERR_UNSUPPORTEDOPERATION) /* before Vista */,
1559        "GetMetadataQueryReader error %#x\n", hr);
1560     if (SUCCEEDED(hr))
1561     {
1562         static const struct
1563         {
1564             const char *query;
1565             HRESULT hr;
1566             UINT vt;
1567         } decoder_data[] =
1568         {
1569             { "/logscrdesc/Signature", S_OK, VT_UI1 | VT_VECTOR },
1570             { "/[0]logscrdesc/Signature", S_OK, VT_UI1 | VT_VECTOR },
1571             { "/logscrdesc/\\Signature", S_OK, VT_UI1 | VT_VECTOR },
1572             { "/Logscrdesc/\\signature", S_OK, VT_UI1 | VT_VECTOR },
1573             { "/logscrdesc/{str=signature}", S_OK, VT_UI1 | VT_VECTOR },
1574             { "/[0]logscrdesc/{str=signature}", S_OK, VT_UI1 | VT_VECTOR },
1575             { "/logscrdesc/{wstr=signature}", S_OK, VT_UI1 | VT_VECTOR },
1576             { "/[0]logscrdesc/{wstr=signature}", S_OK, VT_UI1 | VT_VECTOR },
1577             { "/appext/Application", S_OK, VT_UI1 | VT_VECTOR },
1578             { "/appext/{STR=APPlication}", S_OK, VT_UI1 | VT_VECTOR },
1579             { "/appext/{WSTR=APPlication}", S_OK, VT_UI1 | VT_VECTOR },
1580             { "/LogSCRdesC", S_OK, VT_UNKNOWN },
1581             { "/[0]LogSCRdesC", S_OK, VT_UNKNOWN },
1582             { "/appEXT", S_OK, VT_UNKNOWN },
1583             { "/[0]appEXT", S_OK, VT_UNKNOWN },
1584             { "grctlext", WINCODEC_ERR_PROPERTYNOTSUPPORTED, 0 },
1585             { "/imgdesc", WINCODEC_ERR_PROPERTYNOTFOUND, 0 },
1586         };
1587         static const WCHAR rootW[] = {'/',0};
1588         WCHAR name[256];
1589         UINT len, i, j;
1590         PROPVARIANT value;
1591         IWICMetadataQueryReader *meta_reader;
1592 
1593         hr = IWICMetadataQueryReader_GetContainerFormat(queryreader, &format);
1594         ok(hr == S_OK, "GetContainerFormat error %#x\n", hr);
1595         ok(IsEqualGUID(&format, &GUID_ContainerFormatGif),
1596            "wrong container format %s\n", wine_dbgstr_guid(&format));
1597 
1598         name[0] = 0;
1599         len = 0xdeadbeef;
1600         hr = IWICMetadataQueryReader_GetLocation(queryreader, 256, name, &len);
1601         ok(hr == S_OK, "GetLocation error %#x\n", hr);
1602         ok(len == 2, "expected 2, got %u\n", len);
1603         ok(!lstrcmpW(name, rootW), "expected '/', got %s\n", wine_dbgstr_w(name));
1604 
1605         for (i = 0; i < ARRAY_SIZE(decoder_data); i++)
1606         {
1607             WCHAR queryW[256];
1608 
1609             if (winetest_debug > 1)
1610                 trace("query: %s\n", decoder_data[i].query);
1611             MultiByteToWideChar(CP_ACP, 0, decoder_data[i].query, -1, queryW, 256);
1612 
1613             hr = IWICMetadataQueryReader_GetMetadataByName(queryreader, queryW, NULL);
1614             ok(hr == decoder_data[i].hr, "GetMetadataByName(%s) returned %#x, expected %#x\n", wine_dbgstr_w(queryW), hr, decoder_data[i].hr);
1615 
1616             PropVariantInit(&value);
1617             hr = IWICMetadataQueryReader_GetMetadataByName(queryreader, queryW, &value);
1618             ok(hr == decoder_data[i].hr, "GetMetadataByName(%s) returned %#x, expected %#x\n", wine_dbgstr_w(queryW), hr, decoder_data[i].hr);
1619             ok(value.vt == decoder_data[i].vt, "expected %#x, got %#x\n", decoder_data[i].vt, value.vt);
1620             if (hr == S_OK && value.vt == VT_UNKNOWN)
1621             {
1622                 hr = IUnknown_QueryInterface(value.punkVal, &IID_IWICMetadataQueryReader, (void **)&meta_reader);
1623                 ok(hr == S_OK, "QueryInterface error %#x\n", hr);
1624 
1625                 name[0] = 0;
1626                 len = 0xdeadbeef;
1627                 hr = IWICMetadataQueryReader_GetLocation(meta_reader, 256, name, &len);
1628                 ok(hr == S_OK, "GetLocation error %#x\n", hr);
1629                 ok(len == lstrlenW(queryW) + 1, "expected %u, got %u\n", lstrlenW(queryW) + 1, len);
1630                 ok(!lstrcmpW(name, queryW), "expected %s, got %s\n", wine_dbgstr_w(queryW), wine_dbgstr_w(name));
1631 
1632                 for (j = 0; j < ARRAY_SIZE(decoder_data); j++)
1633                 {
1634                     MultiByteToWideChar(CP_ACP, 0, decoder_data[j].query, -1, queryW, 256);
1635 
1636                     if (CompareStringW(LOCALE_NEUTRAL, NORM_IGNORECASE, queryW, len-1, name, len-1) == CSTR_EQUAL && decoder_data[j].query[len - 1] != 0)
1637                     {
1638                         if (winetest_debug > 1)
1639                             trace("query: %s\n", wine_dbgstr_w(queryW + len - 1));
1640                         PropVariantClear(&value);
1641                         hr = IWICMetadataQueryReader_GetMetadataByName(meta_reader, queryW + len - 1, &value);
1642                         ok(hr == decoder_data[j].hr, "GetMetadataByName(%s) returned %#x, expected %#x\n", wine_dbgstr_w(queryW + len - 1), hr, decoder_data[j].hr);
1643                         ok(value.vt == decoder_data[j].vt, "expected %#x, got %#x\n", decoder_data[j].vt, value.vt);
1644                     }
1645                 }
1646 
1647                 IWICMetadataQueryReader_Release(meta_reader);
1648             }
1649 
1650             PropVariantClear(&value);
1651         }
1652 
1653         IWICMetadataQueryReader_Release(queryreader);
1654     }
1655 
1656     hr = IWICBitmapFrameDecode_GetMetadataQueryReader(frame, &queryreader);
1657     ok(hr == S_OK || broken(hr == WINCODEC_ERR_UNSUPPORTEDOPERATION) /* before Vista */,
1658        "GetMetadataQueryReader error %#x\n", hr);
1659     if (SUCCEEDED(hr))
1660     {
1661         static const struct
1662         {
1663             const char *query;
1664             HRESULT hr;
1665             UINT vt;
1666         } frame_data[] =
1667         {
1668             { "/grctlext/Delay", S_OK, VT_UI2 },
1669             { "/[0]grctlext/Delay", S_OK, VT_UI2 },
1670             { "/grctlext/{str=delay}", S_OK, VT_UI2 },
1671             { "/[0]grctlext/{str=delay}", S_OK, VT_UI2 },
1672             { "/grctlext/{wstr=delay}", S_OK, VT_UI2 },
1673             { "/[0]grctlext/{wstr=delay}", S_OK, VT_UI2 },
1674             { "/imgdesc/InterlaceFlag", S_OK, VT_BOOL },
1675             { "/imgdesc/{STR=interlaceFLAG}", S_OK, VT_BOOL },
1676             { "/imgdesc/{WSTR=interlaceFLAG}", S_OK, VT_BOOL },
1677             { "/grctlext", S_OK, VT_UNKNOWN },
1678             { "/[0]grctlext", S_OK, VT_UNKNOWN },
1679             { "/imgdesc", S_OK, VT_UNKNOWN },
1680             { "/[0]imgdesc", S_OK, VT_UNKNOWN },
1681             { "/LogSCRdesC", WINCODEC_ERR_PROPERTYNOTFOUND, 0 },
1682             { "/appEXT", WINCODEC_ERR_PROPERTYNOTFOUND, 0 },
1683             { "/grctlext/{\\str=delay}", WINCODEC_ERR_WRONGSTATE, 0 },
1684             { "/grctlext/{str=\\delay}", S_OK, VT_UI2 },
1685             { "grctlext/Delay", WINCODEC_ERR_PROPERTYNOTSUPPORTED, 0 },
1686         };
1687         static const WCHAR rootW[] = {'/',0};
1688         static const WCHAR guidW[] = {'/','{','g','u','i','d','=','\\',0};
1689         static const WCHAR imgdescW[] = {'i','m','g','d','e','s','c',0};
1690         static const WCHAR ImgDescW[] = {'I','m','g','D','e','s','c',0};
1691         WCHAR name[256], queryW[256];
1692         UINT len, i;
1693         PROPVARIANT value;
1694         IWICMetadataQueryReader *meta_reader;
1695 
1696         hr = IWICMetadataQueryReader_GetContainerFormat(queryreader, &format);
1697         ok(hr == S_OK, "GetContainerFormat error %#x\n", hr);
1698         ok(IsEqualGUID(&format, &GUID_ContainerFormatGif),
1699            "wrong container format %s\n", wine_dbgstr_guid(&format));
1700 
1701         name[0] = 0;
1702         len = 0xdeadbeef;
1703         hr = IWICMetadataQueryReader_GetLocation(queryreader, 256, name, &len);
1704         ok(hr == S_OK, "GetLocation error %#x\n", hr);
1705         ok(len == 2, "expected 2, got %u\n", len);
1706         ok(!lstrcmpW(name, rootW), "expected '/', got %s\n", wine_dbgstr_w(name));
1707 
1708         for (i = 0; i < ARRAY_SIZE(frame_data); i++)
1709         {
1710             if (winetest_debug > 1)
1711                 trace("query: %s\n", frame_data[i].query);
1712             MultiByteToWideChar(CP_ACP, 0, frame_data[i].query, -1, queryW, 256);
1713             PropVariantInit(&value);
1714             hr = IWICMetadataQueryReader_GetMetadataByName(queryreader, queryW, &value);
1715             ok(hr == frame_data[i].hr, "GetMetadataByName(%s) returned %#x, expected %#x\n", wine_dbgstr_w(queryW), hr, frame_data[i].hr);
1716             ok(value.vt == frame_data[i].vt, "expected %#x, got %#x\n", frame_data[i].vt, value.vt);
1717             if (hr == S_OK && value.vt == VT_UNKNOWN)
1718             {
1719                 hr = IUnknown_QueryInterface(value.punkVal, &IID_IWICMetadataQueryReader, (void **)&meta_reader);
1720                 ok(hr == S_OK, "QueryInterface error %#x\n", hr);
1721 
1722                 name[0] = 0;
1723                 len = 0xdeadbeef;
1724                 hr = IWICMetadataQueryReader_GetLocation(meta_reader, 256, name, &len);
1725                 ok(hr == S_OK, "GetLocation error %#x\n", hr);
1726                 ok(len == lstrlenW(queryW) + 1, "expected %u, got %u\n", lstrlenW(queryW) + 1, len);
1727                 ok(!lstrcmpW(name, queryW), "expected %s, got %s\n", wine_dbgstr_w(queryW), wine_dbgstr_w(name));
1728 
1729                 IWICMetadataQueryReader_Release(meta_reader);
1730             }
1731 
1732             PropVariantClear(&value);
1733         }
1734 
1735         name[0] = 0;
1736         len = 0xdeadbeef;
1737         hr = WICMapGuidToShortName(&GUID_MetadataFormatIMD, 256, name, &len);
1738         ok(hr == S_OK, "WICMapGuidToShortName error %#x\n", hr);
1739         ok(!lstrcmpW(name, imgdescW), "wrong short name %s\n", wine_dbgstr_w(name));
1740 
1741         format = GUID_NULL;
1742         hr = WICMapShortNameToGuid(imgdescW, &format);
1743         ok(hr == S_OK, "WICMapGuidToShortName error %#x\n", hr);
1744         ok(IsEqualGUID(&format, &GUID_MetadataFormatIMD), "wrong guid %s\n", wine_dbgstr_guid(&format));
1745 
1746         format = GUID_NULL;
1747         hr = WICMapShortNameToGuid(ImgDescW, &format);
1748         ok(hr == S_OK, "WICMapGuidToShortName error %#x\n", hr);
1749         ok(IsEqualGUID(&format, &GUID_MetadataFormatIMD), "wrong guid %s\n", wine_dbgstr_guid(&format));
1750 
1751         lstrcpyW(queryW, guidW);
1752         StringFromGUID2(&GUID_MetadataFormatIMD, queryW + lstrlenW(queryW) - 1, 39);
1753         memcpy(queryW, guidW, sizeof(guidW) - 2);
1754         if (winetest_debug > 1)
1755             trace("query: %s\n", wine_dbgstr_w(queryW));
1756         PropVariantInit(&value);
1757         hr = IWICMetadataQueryReader_GetMetadataByName(queryreader, queryW, &value);
1758         ok(hr == S_OK, "GetMetadataByName(%s) error %#x\n", wine_dbgstr_w(queryW), hr);
1759         ok(value.vt == VT_UNKNOWN, "expected VT_UNKNOWN, got %#x\n", value.vt);
1760         PropVariantClear(&value);
1761 
1762         IWICMetadataQueryReader_Release(queryreader);
1763     }
1764 
1765     IWICBitmapFrameDecode_Release(frame);
1766     IWICBitmapDecoder_Release(decoder);
1767 }
1768 
1769 static void test_metadata_LSD(void)
1770 {
1771     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};
1772     static const char LSD_data[] = "hello world!\x1\x2\x3\x4\xab\x6\x7\x8\x9\xa\xb\xc\xd\xe\xf";
1773     static const struct test_data td[9] =
1774     {
1775         { VT_UI1|VT_VECTOR, 0, 6, {'w','o','r','l','d','!'}, NULL, { 'S','i','g','n','a','t','u','r','e',0 } },
1776         { VT_UI2, 0, 0, { 0x201 }, NULL, { 'W','i','d','t','h',0 } },
1777         { VT_UI2, 0, 0, { 0x403 }, NULL, { 'H','e','i','g','h','t',0 } },
1778         { 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 } },
1779         { VT_UI1, 0, 0, { 2 }, NULL, { 'C','o','l','o','r','R','e','s','o','l','u','t','i','o','n',0 } },
1780         { VT_BOOL, 0, 0, { 1 }, NULL, { 'S','o','r','t','F','l','a','g',0 } },
1781         { 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 } },
1782         { 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 } },
1783         { VT_UI1, 0, 0, { 7 }, NULL, { 'P','i','x','e','l','A','s','p','e','c','t','R','a','t','i','o',0 } }
1784     };
1785     LARGE_INTEGER pos;
1786     HRESULT hr;
1787     IStream *stream;
1788     IWICPersistStream *persist;
1789     IWICMetadataReader *reader;
1790     IWICMetadataHandlerInfo *info;
1791     WCHAR name[64];
1792     UINT count, dummy;
1793     GUID format;
1794     CLSID id;
1795 
1796     hr = CoCreateInstance(&CLSID_WICLSDMetadataReader, NULL, CLSCTX_INPROC_SERVER,
1797                           &IID_IWICMetadataReader, (void **)&reader);
1798     ok(hr == S_OK || broken(hr == E_NOINTERFACE || hr == REGDB_E_CLASSNOTREG) /* before Win7 */,
1799        "CoCreateInstance error %#x\n", hr);
1800 
1801     stream = create_stream(LSD_data, sizeof(LSD_data));
1802 
1803     if (SUCCEEDED(hr))
1804     {
1805         pos.QuadPart = 6;
1806         hr = IStream_Seek(stream, pos, SEEK_SET, NULL);
1807         ok(hr == S_OK, "IStream_Seek error %#x\n", hr);
1808 
1809         hr = IUnknown_QueryInterface(reader, &IID_IWICPersistStream, (void **)&persist);
1810         ok(hr == S_OK, "QueryInterface error %#x\n", hr);
1811 
1812         hr = IWICPersistStream_Load(persist, stream);
1813         ok(hr == S_OK, "Load error %#x\n", hr);
1814 
1815         IWICPersistStream_Release(persist);
1816     }
1817 
1818     if (SUCCEEDED(hr))
1819     {
1820         hr = IWICMetadataReader_GetCount(reader, &count);
1821         ok(hr == S_OK, "GetCount error %#x\n", hr);
1822         ok(count == ARRAY_SIZE(td), "unexpected count %u\n", count);
1823 
1824         compare_metadata(reader, td, count);
1825 
1826         hr = IWICMetadataReader_GetMetadataFormat(reader, &format);
1827         ok(hr == S_OK, "GetMetadataFormat error %#x\n", hr);
1828         ok(IsEqualGUID(&format, &GUID_MetadataFormatLSD), "wrong format %s\n", wine_dbgstr_guid(&format));
1829 
1830         hr = IWICMetadataReader_GetMetadataHandlerInfo(reader, &info);
1831         ok(hr == S_OK, "GetMetadataHandlerInfo error %#x\n", hr);
1832 
1833         hr = IWICMetadataHandlerInfo_GetCLSID(info, &id);
1834         ok(hr == S_OK, "GetCLSID error %#x\n", hr);
1835         ok(IsEqualGUID(&id, &CLSID_WICLSDMetadataReader), "wrong CLSID %s\n", wine_dbgstr_guid(&id));
1836 
1837         hr = IWICMetadataHandlerInfo_GetFriendlyName(info, 64, name, &dummy);
1838         ok(hr == S_OK, "GetFriendlyName error %#x\n", hr);
1839         ok(lstrcmpW(name, LSD_name) == 0, "wrong LSD reader name %s\n", wine_dbgstr_w(name));
1840 
1841         IWICMetadataHandlerInfo_Release(info);
1842         IWICMetadataReader_Release(reader);
1843     }
1844 
1845     IStream_Release(stream);
1846 }
1847 
1848 static void test_metadata_IMD(void)
1849 {
1850     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};
1851     static const char IMD_data[] = "hello world!\x1\x2\x3\x4\x5\x6\x7\x8\xed\xa\xb\xc\xd\xe\xf";
1852     static const struct test_data td[8] =
1853     {
1854         { VT_UI2, 0, 0, { 0x201 }, NULL, { 'L','e','f','t',0 } },
1855         { VT_UI2, 0, 0, { 0x403 }, NULL, { 'T','o','p',0 } },
1856         { VT_UI2, 0, 0, { 0x605 }, NULL, { 'W','i','d','t','h',0 } },
1857         { VT_UI2, 0, 0, { 0x807 }, NULL, { 'H','e','i','g','h','t',0 } },
1858         { 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 } },
1859         { VT_BOOL, 0, 0, { 1 }, NULL, { 'I','n','t','e','r','l','a','c','e','F','l','a','g',0 } },
1860         { VT_BOOL, 0, 0, { 1 }, NULL, { 'S','o','r','t','F','l','a','g',0 } },
1861         { 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 } }
1862     };
1863     LARGE_INTEGER pos;
1864     HRESULT hr;
1865     IStream *stream;
1866     IWICPersistStream *persist;
1867     IWICMetadataReader *reader;
1868     IWICMetadataHandlerInfo *info;
1869     WCHAR name[64];
1870     UINT count, dummy;
1871     GUID format;
1872     CLSID id;
1873 
1874     hr = CoCreateInstance(&CLSID_WICIMDMetadataReader, NULL, CLSCTX_INPROC_SERVER,
1875                           &IID_IWICMetadataReader, (void **)&reader);
1876     ok(hr == S_OK || broken(hr == E_NOINTERFACE || hr == REGDB_E_CLASSNOTREG) /* before Win7 */,
1877        "CoCreateInstance error %#x\n", hr);
1878 
1879     stream = create_stream(IMD_data, sizeof(IMD_data));
1880 
1881     if (SUCCEEDED(hr))
1882     {
1883         pos.QuadPart = 12;
1884         hr = IStream_Seek(stream, pos, SEEK_SET, NULL);
1885         ok(hr == S_OK, "IStream_Seek error %#x\n", hr);
1886 
1887         hr = IUnknown_QueryInterface(reader, &IID_IWICPersistStream, (void **)&persist);
1888         ok(hr == S_OK, "QueryInterface error %#x\n", hr);
1889 
1890         hr = IWICPersistStream_Load(persist, stream);
1891         ok(hr == S_OK, "Load error %#x\n", hr);
1892 
1893         IWICPersistStream_Release(persist);
1894     }
1895 
1896     if (SUCCEEDED(hr))
1897     {
1898         hr = IWICMetadataReader_GetCount(reader, &count);
1899         ok(hr == S_OK, "GetCount error %#x\n", hr);
1900         ok(count == ARRAY_SIZE(td), "unexpected count %u\n", count);
1901 
1902         compare_metadata(reader, td, count);
1903 
1904         hr = IWICMetadataReader_GetMetadataFormat(reader, &format);
1905         ok(hr == S_OK, "GetMetadataFormat error %#x\n", hr);
1906         ok(IsEqualGUID(&format, &GUID_MetadataFormatIMD), "wrong format %s\n", wine_dbgstr_guid(&format));
1907 
1908         hr = IWICMetadataReader_GetMetadataHandlerInfo(reader, &info);
1909         ok(hr == S_OK, "GetMetadataHandlerInfo error %#x\n", hr);
1910 
1911         hr = IWICMetadataHandlerInfo_GetCLSID(info, &id);
1912         ok(hr == S_OK, "GetCLSID error %#x\n", hr);
1913         ok(IsEqualGUID(&id, &CLSID_WICIMDMetadataReader), "wrong CLSID %s\n", wine_dbgstr_guid(&id));
1914 
1915         hr = IWICMetadataHandlerInfo_GetFriendlyName(info, 64, name, &dummy);
1916         ok(hr == S_OK, "GetFriendlyName error %#x\n", hr);
1917         ok(lstrcmpW(name, IMD_name) == 0, "wrong IMD reader name %s\n", wine_dbgstr_w(name));
1918 
1919         IWICMetadataHandlerInfo_Release(info);
1920         IWICMetadataReader_Release(reader);
1921     }
1922 
1923     IStream_Release(stream);
1924 }
1925 
1926 static void test_metadata_GCE(void)
1927 {
1928     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};
1929     static const char GCE_data[] = "hello world!\xa\x2\x3\x4\x5\x6\x7\x8\xed\xa\xb\xc\xd\xe\xf";
1930     static const struct test_data td[5] =
1931     {
1932         { VT_UI1, 0, 0, { 2 }, NULL, { 'D','i','s','p','o','s','a','l',0 } },
1933         { VT_BOOL, 0, 0, { 1 }, NULL, { 'U','s','e','r','I','n','p','u','t','F','l','a','g',0 } },
1934         { VT_BOOL, 0, 0, { 0 }, NULL, { 'T','r','a','n','s','p','a','r','e','n','c','y','F','l','a','g',0 } },
1935         { VT_UI2, 0, 0, { 0x302 }, NULL, { 'D','e','l','a','y',0 } },
1936         { 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 } }
1937     };
1938     LARGE_INTEGER pos;
1939     HRESULT hr;
1940     IStream *stream;
1941     IWICPersistStream *persist;
1942     IWICMetadataReader *reader;
1943     IWICMetadataHandlerInfo *info;
1944     WCHAR name[64];
1945     UINT count, dummy;
1946     GUID format;
1947     CLSID id;
1948 
1949     hr = CoCreateInstance(&CLSID_WICGCEMetadataReader, NULL, CLSCTX_INPROC_SERVER,
1950                           &IID_IWICMetadataReader, (void **)&reader);
1951     ok(hr == S_OK || broken(hr == E_NOINTERFACE || hr == REGDB_E_CLASSNOTREG) /* before Win7 */,
1952        "CoCreateInstance error %#x\n", hr);
1953 
1954     stream = create_stream(GCE_data, sizeof(GCE_data));
1955 
1956     if (SUCCEEDED(hr))
1957     {
1958         pos.QuadPart = 12;
1959         hr = IStream_Seek(stream, pos, SEEK_SET, NULL);
1960         ok(hr == S_OK, "IStream_Seek error %#x\n", hr);
1961 
1962         hr = IUnknown_QueryInterface(reader, &IID_IWICPersistStream, (void **)&persist);
1963         ok(hr == S_OK, "QueryInterface error %#x\n", hr);
1964 
1965         hr = IWICPersistStream_Load(persist, stream);
1966         ok(hr == S_OK, "Load error %#x\n", hr);
1967 
1968         IWICPersistStream_Release(persist);
1969     }
1970 
1971     if (SUCCEEDED(hr))
1972     {
1973         hr = IWICMetadataReader_GetCount(reader, &count);
1974         ok(hr == S_OK, "GetCount error %#x\n", hr);
1975         ok(count == ARRAY_SIZE(td), "unexpected count %u\n", count);
1976 
1977         compare_metadata(reader, td, count);
1978 
1979         hr = IWICMetadataReader_GetMetadataFormat(reader, &format);
1980         ok(hr == S_OK, "GetMetadataFormat error %#x\n", hr);
1981         ok(IsEqualGUID(&format, &GUID_MetadataFormatGCE), "wrong format %s\n", wine_dbgstr_guid(&format));
1982 
1983         hr = IWICMetadataReader_GetMetadataHandlerInfo(reader, &info);
1984         ok(hr == S_OK, "GetMetadataHandlerInfo error %#x\n", hr);
1985 
1986         hr = IWICMetadataHandlerInfo_GetCLSID(info, &id);
1987         ok(hr == S_OK, "GetCLSID error %#x\n", hr);
1988         ok(IsEqualGUID(&id, &CLSID_WICGCEMetadataReader), "wrong CLSID %s\n", wine_dbgstr_guid(&id));
1989 
1990         hr = IWICMetadataHandlerInfo_GetFriendlyName(info, 64, name, &dummy);
1991         ok(hr == S_OK, "GetFriendlyName error %#x\n", hr);
1992         ok(lstrcmpW(name, GCE_name) == 0, "wrong GCE reader name %s\n", wine_dbgstr_w(name));
1993 
1994         IWICMetadataHandlerInfo_Release(info);
1995         IWICMetadataReader_Release(reader);
1996     }
1997 
1998     IStream_Release(stream);
1999 }
2000 
2001 static void test_metadata_APE(void)
2002 {
2003     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};
2004     static const char APE_data[] = { 0x21,0xff,0x0b,'H','e','l','l','o',' ','W','o','r','l','d',
2005                                      /*sub-block*/1,0x11,
2006                                      /*sub-block*/2,0x22,0x33,
2007                                      /*sub-block*/4,0x44,0x55,0x66,0x77,
2008                                      /*terminator*/0 };
2009     static const struct test_data td[2] =
2010     {
2011         { 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 } },
2012         { VT_UI1|VT_VECTOR, 0, 10, { 1,0x11,2,0x22,0x33,4,0x44,0x55,0x66,0x77 }, NULL, { 'D','a','t','a',0 } }
2013     };
2014     WCHAR dataW[] = { 'd','a','t','a',0 };
2015     HRESULT hr;
2016     IStream *stream;
2017     IWICPersistStream *persist;
2018     IWICMetadataReader *reader;
2019     IWICMetadataHandlerInfo *info;
2020     WCHAR name[64];
2021     UINT count, dummy, i;
2022     GUID format;
2023     CLSID clsid;
2024     PROPVARIANT id, value;
2025 
2026     hr = CoCreateInstance(&CLSID_WICAPEMetadataReader, NULL, CLSCTX_INPROC_SERVER,
2027                           &IID_IWICMetadataReader, (void **)&reader);
2028     ok(hr == S_OK || broken(hr == E_NOINTERFACE || hr == REGDB_E_CLASSNOTREG) /* before Win7 */,
2029        "CoCreateInstance error %#x\n", hr);
2030 
2031     stream = create_stream(APE_data, sizeof(APE_data));
2032 
2033     if (SUCCEEDED(hr))
2034     {
2035         hr = IUnknown_QueryInterface(reader, &IID_IWICPersistStream, (void **)&persist);
2036         ok(hr == S_OK, "QueryInterface error %#x\n", hr);
2037 
2038         hr = IWICPersistStream_Load(persist, stream);
2039         ok(hr == S_OK, "Load error %#x\n", hr);
2040 
2041         IWICPersistStream_Release(persist);
2042     }
2043 
2044     if (SUCCEEDED(hr))
2045     {
2046         hr = IWICMetadataReader_GetCount(reader, &count);
2047         ok(hr == S_OK, "GetCount error %#x\n", hr);
2048         ok(count == ARRAY_SIZE(td), "unexpected count %u\n", count);
2049 
2050         compare_metadata(reader, td, count);
2051 
2052         hr = IWICMetadataReader_GetMetadataFormat(reader, &format);
2053         ok(hr == S_OK, "GetMetadataFormat error %#x\n", hr);
2054         ok(IsEqualGUID(&format, &GUID_MetadataFormatAPE), "wrong format %s\n", wine_dbgstr_guid(&format));
2055 
2056         PropVariantInit(&value);
2057         id.vt = VT_LPWSTR;
2058         U(id).pwszVal = dataW;
2059 
2060         hr = IWICMetadataReader_GetValue(reader, NULL, &id, &value);
2061         ok(hr == S_OK, "GetValue error %#x\n", hr);
2062         ok(value.vt == (VT_UI1|VT_VECTOR), "unexpected vt: %i\n", id.vt);
2063         ok(td[1].count == U(value).caub.cElems, "expected cElems %d, got %d\n", td[1].count, U(value).caub.cElems);
2064         for (i = 0; i < U(value).caub.cElems; i++)
2065             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]);
2066         PropVariantClear(&value);
2067 
2068         hr = IWICMetadataReader_GetMetadataHandlerInfo(reader, &info);
2069         ok(hr == S_OK, "GetMetadataHandlerInfo error %#x\n", hr);
2070 
2071         hr = IWICMetadataHandlerInfo_GetCLSID(info, &clsid);
2072         ok(hr == S_OK, "GetCLSID error %#x\n", hr);
2073         ok(IsEqualGUID(&clsid, &CLSID_WICAPEMetadataReader), "wrong CLSID %s\n", wine_dbgstr_guid(&clsid));
2074 
2075         hr = IWICMetadataHandlerInfo_GetFriendlyName(info, 64, name, &dummy);
2076         ok(hr == S_OK, "GetFriendlyName error %#x\n", hr);
2077         ok(lstrcmpW(name, APE_name) == 0, "wrong APE reader name %s\n", wine_dbgstr_w(name));
2078 
2079         IWICMetadataHandlerInfo_Release(info);
2080         IWICMetadataReader_Release(reader);
2081     }
2082 
2083     IStream_Release(stream);
2084 }
2085 
2086 static void test_metadata_GIF_comment(void)
2087 {
2088     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};
2089     static const char GIF_comment_data[] = { 0x21,0xfe,
2090                                              /*sub-block*/5,'H','e','l','l','o',
2091                                              /*sub-block*/1,' ',
2092                                              /*sub-block*/6,'W','o','r','l','d','!',
2093                                              /*terminator*/0 };
2094     static const struct test_data td[1] =
2095     {
2096         { VT_LPSTR, 0, 12, { 0 }, "Hello World!", { 'T','e','x','t','E','n','t','r','y',0 } }
2097     };
2098     WCHAR text_entryW[] = { 'T','E','X','T','E','N','T','R','Y',0 };
2099     HRESULT hr;
2100     IStream *stream;
2101     IWICPersistStream *persist;
2102     IWICMetadataReader *reader;
2103     IWICMetadataHandlerInfo *info;
2104     WCHAR name[64];
2105     UINT count, dummy;
2106     GUID format;
2107     CLSID clsid;
2108     PROPVARIANT id, value;
2109 
2110     hr = CoCreateInstance(&CLSID_WICGifCommentMetadataReader, NULL, CLSCTX_INPROC_SERVER,
2111                           &IID_IWICMetadataReader, (void **)&reader);
2112     ok(hr == S_OK || broken(hr == E_NOINTERFACE || hr == REGDB_E_CLASSNOTREG) /* before Win7 */,
2113        "CoCreateInstance error %#x\n", hr);
2114 
2115     stream = create_stream(GIF_comment_data, sizeof(GIF_comment_data));
2116 
2117     if (SUCCEEDED(hr))
2118     {
2119         hr = IUnknown_QueryInterface(reader, &IID_IWICPersistStream, (void **)&persist);
2120         ok(hr == S_OK, "QueryInterface error %#x\n", hr);
2121 
2122         hr = IWICPersistStream_Load(persist, stream);
2123         ok(hr == S_OK, "Load error %#x\n", hr);
2124 
2125         IWICPersistStream_Release(persist);
2126     }
2127 
2128     if (SUCCEEDED(hr))
2129     {
2130         hr = IWICMetadataReader_GetCount(reader, &count);
2131         ok(hr == S_OK, "GetCount error %#x\n", hr);
2132         ok(count == ARRAY_SIZE(td), "unexpected count %u\n", count);
2133 
2134         compare_metadata(reader, td, count);
2135 
2136         hr = IWICMetadataReader_GetMetadataFormat(reader, &format);
2137         ok(hr == S_OK, "GetMetadataFormat error %#x\n", hr);
2138         ok(IsEqualGUID(&format, &GUID_MetadataFormatGifComment), "wrong format %s\n", wine_dbgstr_guid(&format));
2139 
2140         PropVariantInit(&value);
2141         id.vt = VT_LPWSTR;
2142         U(id).pwszVal = text_entryW;
2143 
2144         hr = IWICMetadataReader_GetValue(reader, NULL, &id, &value);
2145         ok(hr == S_OK, "GetValue error %#x\n", hr);
2146         ok(value.vt == VT_LPSTR, "unexpected vt: %i\n", id.vt);
2147         ok(!strcmp(U(value).pszVal, "Hello World!"), "unexpected value: %s\n", U(value).pszVal);
2148         PropVariantClear(&value);
2149 
2150         hr = IWICMetadataReader_GetMetadataHandlerInfo(reader, &info);
2151         ok(hr == S_OK, "GetMetadataHandlerInfo error %#x\n", hr);
2152 
2153         hr = IWICMetadataHandlerInfo_GetCLSID(info, &clsid);
2154         ok(hr == S_OK, "GetCLSID error %#x\n", hr);
2155         ok(IsEqualGUID(&clsid, &CLSID_WICGifCommentMetadataReader), "wrong CLSID %s\n", wine_dbgstr_guid(&clsid));
2156 
2157         hr = IWICMetadataHandlerInfo_GetFriendlyName(info, 64, name, &dummy);
2158         ok(hr == S_OK, "GetFriendlyName error %#x\n", hr);
2159         ok(lstrcmpW(name, GIF_comment_name) == 0, "wrong APE reader name %s\n", wine_dbgstr_w(name));
2160 
2161         IWICMetadataHandlerInfo_Release(info);
2162         IWICMetadataReader_Release(reader);
2163     }
2164 
2165     IStream_Release(stream);
2166 }
2167 
2168 static void test_WICMapGuidToShortName(void)
2169 {
2170     static const WCHAR unkW[] = { 'u','n','k',0 };
2171     static const WCHAR unknownW[] = { 'u','n','k','n','o','w','n',0 };
2172     HRESULT hr;
2173     UINT len;
2174     WCHAR name[16];
2175 
2176     name[0] = 0;
2177     len = 0xdeadbeef;
2178     hr = WICMapGuidToShortName(&GUID_MetadataFormatUnknown, 8, name, &len);
2179     ok(hr == S_OK, "got %#x\n", hr);
2180     ok(len == 8, "got %u\n", len);
2181     ok(!lstrcmpW(name, unknownW), "got %s\n", wine_dbgstr_w(name));
2182 
2183     name[0] = 0;
2184     hr = WICMapGuidToShortName(&GUID_MetadataFormatUnknown, 8, name, NULL);
2185     ok(hr == S_OK, "got %#x\n", hr);
2186     ok(!lstrcmpW(name, unknownW), "got %s\n", wine_dbgstr_w(name));
2187 
2188     len = 0xdeadbeef;
2189     hr = WICMapGuidToShortName(&GUID_MetadataFormatUnknown, 8, NULL, &len);
2190     ok(hr == S_OK, "got %#x\n", hr);
2191     ok(len == 8, "got %u\n", len);
2192 
2193     len = 0xdeadbeef;
2194     hr = WICMapGuidToShortName(&GUID_MetadataFormatUnknown, 0, NULL, &len);
2195     ok(hr == S_OK, "got %#x\n", hr);
2196     ok(len == 8, "got %u\n", len);
2197 
2198     hr = WICMapGuidToShortName(&GUID_MetadataFormatUnknown, 0, NULL, NULL);
2199     ok(hr == S_OK, "got %#x\n", hr);
2200 
2201     hr = WICMapGuidToShortName(&GUID_MetadataFormatUnknown, 8, NULL, NULL);
2202     ok(hr == S_OK, "got %#x\n", hr);
2203 
2204     hr = WICMapGuidToShortName(&GUID_NULL, 0, NULL, NULL);
2205     ok(hr == WINCODEC_ERR_PROPERTYNOTFOUND, "got %#x\n", hr);
2206 
2207     name[0] = 0;
2208     len = 0xdeadbeef;
2209     hr = WICMapGuidToShortName(&GUID_MetadataFormatUnknown, 4, name, &len);
2210     ok(hr == HRESULT_FROM_WIN32(ERROR_INSUFFICIENT_BUFFER), "got %#x\n", hr);
2211     ok(len == 0xdeadbeef, "got %u\n", len);
2212     ok(!lstrcmpW(name, unkW), "got %s\n", wine_dbgstr_w(name));
2213 
2214     name[0] = 0;
2215     len = 0xdeadbeef;
2216     hr = WICMapGuidToShortName(&GUID_MetadataFormatUnknown, 0, name, &len);
2217     ok(hr == E_INVALIDARG, "got %#x\n", hr);
2218     ok(len == 0xdeadbeef, "got %u\n", len);
2219     ok(!name[0], "got %s\n", wine_dbgstr_w(name));
2220 
2221     hr = WICMapGuidToShortName(NULL, 8, name, NULL);
2222     ok(hr == E_INVALIDARG, "got %#x\n", hr);
2223 }
2224 
2225 static void test_WICMapShortNameToGuid(void)
2226 {
2227     static const WCHAR unkW[] = { 'u','n','k',0 };
2228     static const WCHAR xmpW[] = { 'x','m','p',0 };
2229     static const WCHAR XmPW[] = { 'X','m','P',0 };
2230     static const WCHAR unknownW[] = { 'u','n','k','n','o','w','n',0 };
2231     HRESULT hr;
2232     GUID guid;
2233 
2234     hr = WICMapShortNameToGuid(NULL, NULL);
2235     ok(hr == E_INVALIDARG, "got %#x\n", hr);
2236 
2237     hr = WICMapShortNameToGuid(NULL, &guid);
2238     ok(hr == E_INVALIDARG, "got %#x\n", hr);
2239 
2240     hr = WICMapShortNameToGuid(unknownW, NULL);
2241     ok(hr == E_INVALIDARG, "got %#x\n", hr);
2242 
2243     hr = WICMapShortNameToGuid(unkW, &guid);
2244     ok(hr == WINCODEC_ERR_PROPERTYNOTFOUND, "got %#x\n", hr);
2245 
2246     hr = WICMapShortNameToGuid(unknownW, &guid);
2247     ok(hr == S_OK, "got %#x\n", hr);
2248     ok(IsEqualGUID(&guid, &GUID_MetadataFormatUnknown), "got %s\n", wine_dbgstr_guid(&guid));
2249 
2250     hr = WICMapShortNameToGuid(xmpW, &guid);
2251     ok(hr == S_OK, "got %#x\n", hr);
2252     ok(IsEqualGUID(&guid, &GUID_MetadataFormatXMP), "got %s\n", wine_dbgstr_guid(&guid));
2253 
2254     guid = GUID_NULL;
2255     hr = WICMapShortNameToGuid(XmPW, &guid);
2256     ok(hr == S_OK, "got %#x\n", hr);
2257     ok(IsEqualGUID(&guid, &GUID_MetadataFormatXMP), "got %s\n", wine_dbgstr_guid(&guid));
2258 }
2259 
2260 static const GUID *guid_list[] =
2261 {
2262     &GUID_ContainerFormatBmp,
2263     &GUID_ContainerFormatPng,
2264     &GUID_ContainerFormatIco,
2265     &GUID_ContainerFormatJpeg,
2266     &GUID_ContainerFormatTiff,
2267     &GUID_ContainerFormatGif,
2268     &GUID_ContainerFormatWmp,
2269     &GUID_MetadataFormatUnknown,
2270     &GUID_MetadataFormatIfd,
2271     &GUID_MetadataFormatSubIfd,
2272     &GUID_MetadataFormatExif,
2273     &GUID_MetadataFormatGps,
2274     &GUID_MetadataFormatInterop,
2275     &GUID_MetadataFormatApp0,
2276     &GUID_MetadataFormatApp1,
2277     &GUID_MetadataFormatApp13,
2278     &GUID_MetadataFormatIPTC,
2279     &GUID_MetadataFormatIRB,
2280     &GUID_MetadataFormat8BIMIPTC,
2281     &GUID_MetadataFormat8BIMResolutionInfo,
2282     &GUID_MetadataFormat8BIMIPTCDigest,
2283     &GUID_MetadataFormatXMP,
2284     &GUID_MetadataFormatThumbnail,
2285     &GUID_MetadataFormatChunktEXt,
2286     &GUID_MetadataFormatXMPStruct,
2287     &GUID_MetadataFormatXMPBag,
2288     &GUID_MetadataFormatXMPSeq,
2289     &GUID_MetadataFormatXMPAlt,
2290     &GUID_MetadataFormatLSD,
2291     &GUID_MetadataFormatIMD,
2292     &GUID_MetadataFormatGCE,
2293     &GUID_MetadataFormatAPE,
2294     &GUID_MetadataFormatJpegChrominance,
2295     &GUID_MetadataFormatJpegLuminance,
2296     &GUID_MetadataFormatJpegComment,
2297     &GUID_MetadataFormatGifComment,
2298     &GUID_MetadataFormatChunkgAMA,
2299     &GUID_MetadataFormatChunkbKGD,
2300     &GUID_MetadataFormatChunkiTXt,
2301     &GUID_MetadataFormatChunkcHRM,
2302     &GUID_MetadataFormatChunkhIST,
2303     &GUID_MetadataFormatChunkiCCP,
2304     &GUID_MetadataFormatChunksRGB,
2305     &GUID_MetadataFormatChunktIME
2306 };
2307 
2308 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 };
2309 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 };
2310 static WCHAR xmp_scheme[] = { 'h','t','t','p',':','/','/','n','s','.','a','d','o','b','e','.','c','o','m','/','x','a','p','/','1','.','0','/',0 };
2311 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 };
2312 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 };
2313 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 };
2314 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 };
2315 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 };
2316 static WCHAR pdf_scheme[] = { 'h','t','t','p',':','/','/','n','s','.','a','d','o','b','e','.','c','o','m','/','p','d','f','/','1','.','3','/',0 };
2317 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 };
2318 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 };
2319 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 };
2320 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 };
2321 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 };
2322 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 };
2323 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 };
2324 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 };
2325 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 };
2326 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 };
2327 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 };
2328 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 };
2329 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 };
2330 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 };
2331 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 };
2332 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 };
2333 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 };
2334 
2335 static WCHAR *schema_list[] =
2336 {
2337     aux_scheme,
2338     rdf_scheme,
2339     dc_scheme,
2340     xmp_scheme,
2341     xmpidq_scheme,
2342     xmpRights_scheme,
2343     xmpMM_scheme,
2344     xmpBJ_scheme,
2345     xmpTPg_scheme,
2346     pdf_scheme,
2347     photoshop_scheme,
2348     tiff_scheme,
2349     exif_scheme,
2350     stDim_scheme,
2351     xapGImg_scheme,
2352     stEvt_scheme,
2353     stRef_scheme,
2354     stVer_scheme,
2355     stJob_scheme,
2356     crs_scheme,
2357     xmpDM_scheme,
2358     Iptc4xmpCore_scheme,
2359     MicrosoftPhoto_scheme,
2360     MP_scheme,
2361     MPRI_scheme,
2362     MPReg_scheme
2363 };
2364 
2365 static void test_WICMapSchemaToName(void)
2366 {
2367     static const WCHAR xmW[] = { 'x','m',0 };
2368     static const WCHAR xmpW[] = { 'x','m','p',0 };
2369     static WCHAR schemaW[] = { 'h','t','t','p',':','/','/','n','s','.','a','d','o','b','e','.','c','o','m','/','x','a','p','/','1','.','0','/',0 };
2370     static WCHAR SCHEMAW[] = { 'H','T','T','P',':','/','/','n','s','.','a','d','o','b','e','.','c','o','m','/','x','a','p','/','1','.','0','/',0 };
2371     HRESULT hr;
2372     UINT len, i, j;
2373     WCHAR name[16];
2374 
2375     hr = WICMapSchemaToName(&GUID_MetadataFormatUnknown, NULL, 0, NULL, NULL);
2376     ok(hr == E_INVALIDARG, "got %#x\n", hr);
2377 
2378     hr = WICMapSchemaToName(&GUID_MetadataFormatUnknown, schemaW, 0, NULL, NULL);
2379     ok(hr == E_INVALIDARG, "got %#x\n", hr);
2380 
2381     hr = WICMapSchemaToName(&GUID_MetadataFormatUnknown, schemaW, 0, NULL, &len);
2382     ok(hr == WINCODEC_ERR_PROPERTYNOTFOUND, "got %#x\n", hr);
2383 
2384     hr = WICMapSchemaToName(NULL, schemaW, 0, NULL, &len);
2385     ok(hr == E_INVALIDARG, "got %#x\n", hr);
2386 
2387     hr = WICMapSchemaToName(&GUID_MetadataFormatXMP, schemaW, 0, NULL, NULL);
2388     ok(hr == E_INVALIDARG, "got %#x\n", hr);
2389 
2390     len = 0xdeadbeef;
2391     hr = WICMapSchemaToName(&GUID_MetadataFormatXMP, schemaW, 0, NULL, &len);
2392     ok(hr == S_OK, "got %#x\n", hr);
2393     ok(len == 4, "got %u\n", len);
2394 
2395     len = 0xdeadbeef;
2396     hr = WICMapSchemaToName(&GUID_MetadataFormatXMP, schemaW, 4, NULL, &len);
2397     ok(hr == S_OK, "got %#x\n", hr);
2398     ok(len == 4, "got %u\n", len);
2399 
2400     len = 0xdeadbeef;
2401     hr = WICMapSchemaToName(&GUID_MetadataFormatXMP, SCHEMAW, 0, NULL, &len);
2402     ok(hr == WINCODEC_ERR_PROPERTYNOTFOUND, "got %#x\n", hr);
2403     ok(len == 0xdeadbeef, "got %u\n", len);
2404 
2405     name[0] = 0;
2406     len = 0xdeadbeef;
2407     hr = WICMapSchemaToName(&GUID_MetadataFormatXMP, schemaW, 4, name, &len);
2408     ok(hr == S_OK, "got %#x\n", hr);
2409     ok(len == 4, "got %u\n", len);
2410     ok(!lstrcmpW(name, xmpW), "got %s\n", wine_dbgstr_w(name));
2411 
2412     len = 0xdeadbeef;
2413     hr = WICMapSchemaToName(&GUID_MetadataFormatXMP, schemaW, 0, name, &len);
2414     ok(hr == E_INVALIDARG, "got %#x\n", hr);
2415     ok(len == 0xdeadbeef, "got %u\n", len);
2416 
2417     name[0] = 0;
2418     len = 0xdeadbeef;
2419     hr = WICMapSchemaToName(&GUID_MetadataFormatXMP, schemaW, 3, name, &len);
2420     ok(hr == HRESULT_FROM_WIN32(ERROR_INSUFFICIENT_BUFFER), "got %#x\n", hr);
2421     ok(len == 0xdeadbeef, "got %u\n", len);
2422     ok(!lstrcmpW(name, xmW), "got %s\n", wine_dbgstr_w(name));
2423 
2424     hr = WICMapSchemaToName(&GUID_MetadataFormatXMP, schemaW, 4, name, NULL);
2425     ok(hr == E_INVALIDARG, "got %#x\n", hr);
2426 
2427     /* Check whether modern schemas are supported */
2428     hr = WICMapSchemaToName(&GUID_MetadataFormatXMP, schema_list[0], 0, NULL, &len);
2429     if (hr == WINCODEC_ERR_PROPERTYNOTFOUND)
2430     {
2431         win_skip("Modern schemas are not supported\n");
2432         return;
2433     }
2434 
2435     for (i = 0; i < ARRAY_SIZE(guid_list); i++)
2436     {
2437         for (j = 0; j < ARRAY_SIZE(schema_list); j++)
2438         {
2439             hr = WICMapSchemaToName(guid_list[i], schema_list[j], 0, NULL, &len);
2440             if (IsEqualGUID(guid_list[i], &GUID_MetadataFormatXMP) ||
2441                 IsEqualGUID(guid_list[i], &GUID_MetadataFormatXMPStruct))
2442             {
2443                 ok(hr == S_OK, "%u: %u: format %s does not support schema %s\n",
2444                    i, j, wine_dbgstr_guid(guid_list[i]), wine_dbgstr_w(schema_list[j]));
2445             }
2446             else
2447             {
2448                 ok(hr == WINCODEC_ERR_PROPERTYNOTFOUND, "%u: %u: format %s supports schema %s\n",
2449                    i, j, wine_dbgstr_guid(guid_list[i]), wine_dbgstr_w(schema_list[j]));
2450             }
2451         }
2452     }
2453 }
2454 
2455 struct metadata_item
2456 {
2457     const char *schema, *id_str;
2458     UINT id, type, value;
2459 };
2460 
2461 struct metadata_block
2462 {
2463     const GUID *metadata_format;
2464     UINT count;
2465     const struct metadata_item *item;
2466 };
2467 
2468 struct metadata
2469 {
2470     const GUID *container_format;
2471     UINT count;
2472     const struct metadata_block *block;
2473 };
2474 
2475 static const struct metadata *current_metadata;
2476 static const struct metadata_block *current_metadata_block;
2477 
2478 static char the_best[] = "The Best";
2479 static char the_worst[] = "The Worst";
2480 
2481 static HRESULT WINAPI mdr_QueryInterface(IWICMetadataReader *iface, REFIID iid, void **out)
2482 {
2483     trace("%p,%s,%p\n", iface, wine_dbgstr_guid(iid), out);
2484 
2485     if (IsEqualIID(iid, &IID_IUnknown) ||
2486         IsEqualIID(iid, &IID_IWICMetadataReader))
2487     {
2488         *out = iface;
2489         return S_OK;
2490     }
2491 
2492     ok(0, "unknown iid %s\n", wine_dbgstr_guid(iid));
2493 
2494     *out = NULL;
2495     return E_NOINTERFACE;
2496 }
2497 
2498 static ULONG WINAPI mdr_AddRef(IWICMetadataReader *iface)
2499 {
2500     return 2;
2501 }
2502 
2503 static ULONG WINAPI mdr_Release(IWICMetadataReader *iface)
2504 {
2505     return 1;
2506 }
2507 
2508 static HRESULT WINAPI mdr_GetMetadataFormat(IWICMetadataReader *iface, GUID *format)
2509 {
2510     trace("%p,%p\n", iface, format);
2511 
2512     ok(current_metadata_block != NULL, "current_metadata_block can't be NULL\n");
2513     if (!current_metadata_block) return E_POINTER;
2514 
2515     *format = *current_metadata_block->metadata_format;
2516     return S_OK;
2517 }
2518 
2519 static HRESULT WINAPI mdr_GetMetadataHandlerInfo(IWICMetadataReader *iface, IWICMetadataHandlerInfo **handler)
2520 {
2521     ok(0, "not implemented\n");
2522     return E_NOTIMPL;
2523 }
2524 
2525 static HRESULT WINAPI mdr_GetCount(IWICMetadataReader *iface, UINT *count)
2526 {
2527     trace("%p,%p\n", iface, count);
2528 
2529     ok(current_metadata_block != NULL, "current_metadata_block can't be NULL\n");
2530     if (!current_metadata_block) return E_POINTER;
2531 
2532     *count = current_metadata_block->count;
2533     return S_OK;
2534 }
2535 
2536 static HRESULT WINAPI mdr_GetValueByIndex(IWICMetadataReader *iface, UINT index, PROPVARIANT *schema, PROPVARIANT *id, PROPVARIANT *value)
2537 {
2538     ok(0, "not implemented\n");
2539     return E_NOTIMPL;
2540 }
2541 
2542 static char *get_temp_buffer(int size)
2543 {
2544     static char buf[16][256];
2545     static int idx;
2546     char *p;
2547 
2548     assert(size < 256);
2549 
2550     p = buf[idx & 0x0f];
2551     idx++;
2552     return p;
2553 }
2554 
2555 static const char *wine_dbgstr_propvariant(const PROPVARIANT *var)
2556 {
2557     char *ret;
2558 
2559     if (!var) return "(null)";
2560 
2561     switch (var->vt)
2562     {
2563     case VT_LPWSTR:
2564         ret = get_temp_buffer(lstrlenW(U(*var).pwszVal) + 16);
2565         sprintf(ret, "(VT_LPWSTR:%s)", wine_dbgstr_w(U(*var).pwszVal));
2566         break;
2567 
2568     case VT_LPSTR:
2569         ret = get_temp_buffer(lstrlenA(U(*var).pszVal) + 16);
2570         sprintf(ret, "(VT_LPSTR:%s)", U(*var).pszVal);
2571         break;
2572 
2573     default:
2574         ret = get_temp_buffer(16);
2575         sprintf(ret, "(vt:%u)", var->vt);
2576         break;
2577     }
2578 
2579     return ret;
2580 }
2581 
2582 static int propvar_cmp(const PROPVARIANT *v1, LONGLONG value2)
2583 {
2584     LONGLONG value1;
2585 
2586     if (PropVariantToInt64(v1, &value1) != S_OK) return -1;
2587 
2588     value1 -= value2;
2589     if (value1) return value1 < 0 ? -1 : 1;
2590     return 0;
2591 }
2592 
2593 static HRESULT WINAPI mdr_GetValue(IWICMetadataReader *iface, const PROPVARIANT *schema, const PROPVARIANT *id, PROPVARIANT *value)
2594 {
2595     UINT i;
2596 
2597     trace("%p,%s,%s,%s\n", iface, wine_dbgstr_propvariant(schema), wine_dbgstr_propvariant(id), wine_dbgstr_propvariant(value));
2598 
2599     ok(current_metadata_block != NULL, "current_metadata_block can't be NULL\n");
2600     if (!current_metadata_block) return E_POINTER;
2601 
2602     ok(schema != NULL && id != NULL && value != NULL, "%p, %p, %p should not be NULL\n", schema, id, value);
2603 
2604     for (i = 0; i < current_metadata_block->count; i++)
2605     {
2606         if (schema->vt != VT_EMPTY)
2607         {
2608             if (!current_metadata_block->item[i].schema)
2609                 continue;
2610 
2611             switch (schema->vt)
2612             {
2613             case VT_LPSTR:
2614                 if (lstrcmpA(U(*schema).pszVal, current_metadata_block->item[i].schema) != 0)
2615                     continue;
2616                 break;
2617 
2618             case VT_LPWSTR:
2619             {
2620                 char schemaA[256];
2621                 WideCharToMultiByte(CP_ACP, 0, U(*schema).pwszVal, -1, schemaA, sizeof(schemaA), NULL, NULL);
2622                 if (lstrcmpA(schemaA, current_metadata_block->item[i].schema) != 0)
2623                     continue;
2624                 break;
2625             }
2626 
2627             default:
2628                 ok(0, "unsupported schema vt %u\n", schema->vt);
2629                 continue;
2630             }
2631         }
2632         else if (current_metadata_block->item[i].schema)
2633             continue;
2634 
2635         switch (id->vt)
2636         {
2637         case VT_LPSTR:
2638             if (current_metadata_block->item[i].id_str)
2639             {
2640                 if (!lstrcmpA(U(*id).pszVal, current_metadata_block->item[i].id_str))
2641                 {
2642                     value->vt = VT_LPSTR;
2643                     U(*value).pszVal = the_best;
2644                     return S_OK;
2645                 }
2646                 break;
2647             }
2648             break;
2649 
2650         case VT_LPWSTR:
2651             if (current_metadata_block->item[i].id_str)
2652             {
2653                 char idA[256];
2654                 WideCharToMultiByte(CP_ACP, 0, U(*id).pwszVal, -1, idA, sizeof(idA), NULL, NULL);
2655                 if (!lstrcmpA(idA, current_metadata_block->item[i].id_str))
2656                 {
2657                     value->vt = VT_LPSTR;
2658                     U(*value).pszVal = the_worst;
2659                     return S_OK;
2660                 }
2661                 break;
2662             }
2663             break;
2664 
2665         case VT_CLSID:
2666             if (IsEqualGUID(U(*id).puuid, &GUID_MetadataFormatXMP) ||
2667                 IsEqualGUID(U(*id).puuid, &GUID_ContainerFormatTiff))
2668             {
2669                 value->vt = VT_UNKNOWN;
2670                 value->punkVal = (IUnknown *)iface;
2671                 return S_OK;
2672             }
2673             break;
2674 
2675         default:
2676             if (!propvar_cmp(id, current_metadata_block->item[i].id))
2677             {
2678                 value->vt = current_metadata_block->item[i].type;
2679                 U(*value).uiVal = current_metadata_block->item[i].value;
2680                 return S_OK;
2681             }
2682             break;
2683         }
2684     }
2685 
2686     return 0xdeadbeef;
2687 }
2688 
2689 static HRESULT WINAPI mdr_GetEnumerator(IWICMetadataReader *iface, IWICEnumMetadataItem **enumerator)
2690 {
2691     ok(0, "not implemented\n");
2692     return E_NOTIMPL;
2693 }
2694 
2695 static const IWICMetadataReaderVtbl mdr_vtbl =
2696 {
2697     mdr_QueryInterface,
2698     mdr_AddRef,
2699     mdr_Release,
2700     mdr_GetMetadataFormat,
2701     mdr_GetMetadataHandlerInfo,
2702     mdr_GetCount,
2703     mdr_GetValueByIndex,
2704     mdr_GetValue,
2705     mdr_GetEnumerator
2706 };
2707 
2708 static IWICMetadataReader mdr = { &mdr_vtbl };
2709 
2710 static HRESULT WINAPI mdbr_QueryInterface(IWICMetadataBlockReader *iface, REFIID iid, void **out)
2711 {
2712     if (IsEqualIID(iid, &IID_IUnknown) ||
2713         IsEqualIID(iid, &IID_IWICMetadataBlockReader))
2714     {
2715         *out = iface;
2716         return S_OK;
2717     }
2718 
2719     /* Windows 8/10 query for some undocumented IID */
2720     if (!IsEqualIID(iid, &IID_MdbrUnknown))
2721         ok(0, "unknown iid %s\n", wine_dbgstr_guid(iid));
2722 
2723     *out = NULL;
2724     return E_NOINTERFACE;
2725 }
2726 
2727 static ULONG WINAPI mdbr_AddRef(IWICMetadataBlockReader *iface)
2728 {
2729     return 2;
2730 }
2731 
2732 static ULONG WINAPI mdbr_Release(IWICMetadataBlockReader *iface)
2733 {
2734     return 1;
2735 }
2736 
2737 static HRESULT WINAPI mdbr_GetContainerFormat(IWICMetadataBlockReader *iface, GUID *format)
2738 {
2739     trace("%p,%p\n", iface, format);
2740 
2741     ok(current_metadata != NULL, "current_metadata can't be NULL\n");
2742     if (!current_metadata) return E_POINTER;
2743 
2744     *format = *current_metadata->container_format;
2745     return S_OK;
2746 }
2747 
2748 static HRESULT WINAPI mdbr_GetCount(IWICMetadataBlockReader *iface, UINT *count)
2749 {
2750     trace("%p,%p\n", iface, count);
2751 
2752     ok(current_metadata != NULL, "current_metadata can't be NULL\n");
2753     if (!current_metadata) return E_POINTER;
2754 
2755     *count = current_metadata->count;
2756     return S_OK;
2757 }
2758 
2759 static HRESULT WINAPI mdbr_GetReaderByIndex(IWICMetadataBlockReader *iface, UINT index, IWICMetadataReader **out)
2760 {
2761     trace("%p,%u,%p\n", iface, index, out);
2762 
2763     *out = NULL;
2764 
2765     ok(current_metadata != NULL, "current_metadata can't be NULL\n");
2766     if (!current_metadata) return E_POINTER;
2767 
2768     if (index < current_metadata->count)
2769     {
2770         current_metadata_block = &current_metadata->block[index];
2771         *out = &mdr;
2772         return S_OK;
2773     }
2774 
2775     current_metadata_block = NULL;
2776     return E_INVALIDARG;
2777 }
2778 
2779 static HRESULT WINAPI mdbr_GetEnumerator(IWICMetadataBlockReader *iface, IEnumUnknown **enumerator)
2780 {
2781     ok(0, "not implemented\n");
2782     return E_NOTIMPL;
2783 }
2784 
2785 static const IWICMetadataBlockReaderVtbl mdbr_vtbl =
2786 {
2787     mdbr_QueryInterface,
2788     mdbr_AddRef,
2789     mdbr_Release,
2790     mdbr_GetContainerFormat,
2791     mdbr_GetCount,
2792     mdbr_GetReaderByIndex,
2793     mdbr_GetEnumerator
2794 };
2795 
2796 static IWICMetadataBlockReader mdbr = { &mdbr_vtbl };
2797 
2798 static const char xmp[] = "http://ns.adobe.com/xap/1.0/";
2799 static const char dc[] = "http://purl.org/dc/elements/1.1/";
2800 static const char tiff[] = "http://ns.adobe.com/tiff/1.0/";
2801 
2802 static const struct metadata_item item1[] =
2803 {
2804     { NULL, NULL, 1, 2, 3 }
2805 };
2806 
2807 static const struct metadata_item item2[] =
2808 {
2809     { NULL, NULL, 1, 2, 3 },
2810     { "xmp", "Rating", 4, 5, 6 },
2811     { NULL, "Rating", 7, 8, 9 }
2812 };
2813 
2814 static const struct metadata_item item3[] =
2815 {
2816     { NULL, NULL, 1, 2, 3 },
2817     { NULL, NULL, 4, 5, 6 },
2818     { NULL, NULL, 7, 8, 9 },
2819     { NULL, NULL, 10, 11, 12 }
2820 };
2821 
2822 static const struct metadata_item item4[] =
2823 {
2824     { NULL, NULL, 1, 2, 3 },
2825     { xmp, "Rating", 4, 5, 6 },
2826     { dc, NULL, 7, 8, 9 },
2827     { tiff, NULL, 10, 11, 12 },
2828     { NULL, "RATING", 13, 14, 15 },
2829     { NULL, "R}ATING", 16, 17, 18 },
2830     { NULL, "xmp", 19, 20, 21 }
2831 };
2832 
2833 static const struct metadata_block block1[] =
2834 {
2835     { &GUID_MetadataFormatIfd, 1, item1 }
2836 };
2837 
2838 static const struct metadata_block block2[] =
2839 {
2840     { &GUID_MetadataFormatXMP, 1, item1 },
2841     { &GUID_MetadataFormatIfd, 3, item2 }
2842 };
2843 
2844 static const struct metadata_block block3[] =
2845 {
2846     { &GUID_MetadataFormatXMP, 1, item1 },
2847     { &GUID_MetadataFormatIfd, 3, item2 },
2848     { &GUID_MetadataFormatXMP, 4, item3 },
2849     { &GUID_MetadataFormatXMP, 7, item4 },
2850     { &GUID_MetadataFormatIfd, 7, item4 }
2851 };
2852 
2853 static const struct metadata data1 =
2854 {
2855     &GUID_ContainerFormatGif,
2856     1, block1
2857 };
2858 
2859 static const struct metadata data2 =
2860 {
2861     &GUID_ContainerFormatTiff,
2862     2, block2
2863 };
2864 
2865 static const struct metadata data3 =
2866 {
2867     &GUID_ContainerFormatPng,
2868     5, block3
2869 };
2870 
2871 static void test_queryreader(void)
2872 {
2873     static const char q1[] = "/ifd/{uchar=1}";
2874     static const char q2[] = "/ifd/xmp:{long=4}";
2875     static const char q3[] = "/ifd/{str=xmp}:{uint=4}";
2876     static const char q4[] = "/xmp/{char=7}";
2877     static const char q5[] = "/[1]xmp/{short=7}";
2878     static const char q6[] = "/[1]ifd/{str=dc}:{uint=7}";
2879     static const char q7[] = "/[1]ifd/{str=http://purl.org/dc/elements/1.1/}:{longlong=7}";
2880     static const char q8[] = "/[1]ifd/{str=http://ns.adobe.com/tiff/1.0/}:{int=10}";
2881     static const char q9[] = "/[2]xmp/xmp:{ulong=4}";
2882     static const char q10[] = "/[2]xmp/{str=xmp}:{ulong=4}";
2883     static const char q11[] = "/xmp";
2884     static const char q12[] = "/ifd/xmp";
2885     static const char q13[] = "/ifd/xmp/tiff";
2886     static const char q14[] = "/[0]ifd/[0]xmp/[0]tiff";
2887     static const char q15[] = "/[*]xmp";
2888 
2889     static const char q20[] = "/ifd/\\Rating";
2890     static const char q21[] = "/[0]ifd/Rating";
2891     static const char q22[] = "/[2]xmp/xmp:{str=Rating}";
2892     static const char q23[] = "/[2]xmp/xmp:Rating";
2893 
2894     static const char q24[] = "/[1]ifd/{str=http://ns.adobe.com/xap/1.0/}:Rating";
2895     static const char q25[] = "/[1]ifd/{str=http://ns.adobe.com/xap/1.0/}:{str=Rating}";
2896     static const char q26[] = "/[1]ifd/{wstr=\\RATING}";
2897     static const char q27[] = "/[1]ifd/{str=R\\ATING}";
2898     static const char q28[] = "/[1]ifd/{str=R\\}ATING}";
2899 
2900     static const char q40[] = "[0]/ifd/Rating";
2901     static const char q41[] = "/[+1]ifd/Rating";
2902     static const char q42[] = "/[-1]ifd/Rating";
2903     static const char q43[] = "/ifd/{\\str=Rating}";
2904     static const char q44[] = "/ifd/{badtype=0}";
2905     static const char q45[] = "/ifd/{uint=0x1234}";
2906     static const char q46[] = "/ifd/[0]Rating";
2907     static const char q47[] = "/ifd/[*]Rating";
2908     static const struct
2909     {
2910         BOOL todo;
2911         const struct metadata *data;
2912         const char *query;
2913         HRESULT hr;
2914         UINT vt, value;
2915         const char *str_value;
2916     } test_data[] =
2917     {
2918         { FALSE, &data1, q1, S_OK, 2, 3, NULL },
2919         { FALSE, &data2, q2, S_OK, 5, 6, NULL },
2920         { FALSE, &data2, q3, S_OK, 5, 6, NULL },
2921         { FALSE, &data3, q4, 0xdeadbeef },
2922         { FALSE, &data3, q5, S_OK, 8, 9, NULL },
2923         { FALSE, &data3, q6, 0xdeadbeef },
2924         { FALSE, &data3, q7, S_OK, 8, 9, NULL },
2925         { FALSE, &data3, q8, S_OK, 11, 12, NULL },
2926         { FALSE, &data3, q9, S_OK, 5, 6, NULL },
2927         { FALSE, &data3, q10, 0xdeadbeef },
2928 
2929         { FALSE, &data3, q11, S_OK, VT_UNKNOWN, 0, NULL },
2930         { FALSE, &data3, q12, S_OK, VT_UNKNOWN, 0, NULL },
2931         { FALSE, &data3, q13, S_OK, VT_UNKNOWN, 0, NULL },
2932         { FALSE, &data3, q14, S_OK, VT_UNKNOWN, 0, NULL },
2933         { TRUE, &data3, q15, S_OK, VT_LPSTR, 0, the_worst },
2934 
2935         { FALSE, &data3, q20, S_OK, VT_LPSTR, 0, the_worst },
2936         { FALSE, &data3, q21, S_OK, VT_LPSTR, 0, the_worst },
2937         { FALSE, &data3, q22, S_OK, VT_LPSTR, 0, the_best },
2938         { FALSE, &data3, q23, S_OK, VT_LPSTR, 0, the_worst },
2939         { FALSE, &data3, q24, S_OK, VT_LPSTR, 0, the_worst },
2940         { FALSE, &data3, q25, S_OK, VT_LPSTR, 0, the_best },
2941         { FALSE, &data3, q26, S_OK, VT_LPSTR, 0, the_worst },
2942         { FALSE, &data3, q27, S_OK, VT_LPSTR, 0, the_best },
2943         { FALSE, &data3, q28, S_OK, VT_LPSTR, 0, the_best },
2944 
2945         { FALSE, &data1, q40, WINCODEC_ERR_PROPERTYNOTSUPPORTED },
2946         { TRUE, &data1, q41, WINCODEC_ERR_INVALIDQUERYCHARACTER },
2947         { TRUE, &data1, q42, WINCODEC_ERR_INVALIDQUERYCHARACTER },
2948         { FALSE, &data1, q43, WINCODEC_ERR_WRONGSTATE },
2949         { FALSE, &data1, q44, WINCODEC_ERR_WRONGSTATE },
2950         { TRUE, &data1, q45, DISP_E_TYPEMISMATCH },
2951         { TRUE, &data1, q46, E_INVALIDARG },
2952         { TRUE, &data1, q47, WINCODEC_ERR_REQUESTONLYVALIDATMETADATAROOT },
2953     };
2954     WCHAR queryW[256];
2955     HRESULT hr;
2956     IWICComponentFactory *factory;
2957     IWICMetadataQueryReader *reader;
2958     GUID format;
2959     PROPVARIANT value;
2960     UINT i;
2961 
2962     hr = CoCreateInstance(&CLSID_WICImagingFactory, NULL, CLSCTX_INPROC_SERVER,
2963             &IID_IWICComponentFactory, (void **)&factory);
2964     ok(hr == S_OK, "CoCreateInstance error %#x\n", hr);
2965 
2966     hr = IWICComponentFactory_CreateQueryReaderFromBlockReader(factory, &mdbr, &reader);
2967     ok(hr == S_OK, "CreateQueryReaderFromBlockReader error %#x\n", hr);
2968 
2969     for (i = 0; i < ARRAY_SIZE(test_data); i++)
2970     {
2971         current_metadata = test_data[i].data;
2972 
2973         hr = IWICMetadataQueryReader_GetContainerFormat(reader, &format);
2974         ok(hr == S_OK, "%u: GetContainerFormat error %#x\n", i, hr);
2975         ok(IsEqualGUID(&format, test_data[i].data->container_format), "%u: expected %s, got %s\n",
2976            i, wine_dbgstr_guid(test_data[i].data->container_format), wine_dbgstr_guid(&format));
2977 
2978         MultiByteToWideChar(CP_ACP, 0, test_data[i].query, -1, queryW, 256);
2979         PropVariantInit(&value);
2980         hr = IWICMetadataQueryReader_GetMetadataByName(reader, queryW, &value);
2981         todo_wine_if(test_data[i].todo)
2982         ok(hr == test_data[i].hr, "%u: expected %#x, got %#x\n", i, test_data[i].hr, hr);
2983         if (hr == S_OK)
2984         {
2985             ok(value.vt == test_data[i].vt, "%u: expected %u, got %u\n", i, test_data[i].vt, value.vt);
2986             if (test_data[i].vt == value.vt)
2987             {
2988                 if (value.vt == VT_UNKNOWN)
2989                 {
2990                     IWICMetadataQueryReader *new_reader;
2991                     WCHAR location[256];
2992                     UINT len;
2993 
2994                     hr = IUnknown_QueryInterface(value.punkVal, &IID_IWICMetadataQueryReader, (void **)&new_reader);
2995                     ok(hr == S_OK, "QueryInterface error %#x\n", hr);
2996 
2997                     location[0] = 0;
2998                     len = 0xdeadbeef;
2999                     hr = IWICMetadataQueryReader_GetLocation(new_reader, 256, location, &len);
3000                     ok(hr == S_OK, "GetLocation error %#x\n", hr);
3001                     ok(len == lstrlenW(queryW) + 1, "expected %u, got %u\n", lstrlenW(queryW) + 1, len);
3002                     ok(!lstrcmpW(location, queryW), "expected %s, got %s\n", wine_dbgstr_w(queryW), wine_dbgstr_w(location));
3003 
3004                     hr = IWICMetadataQueryReader_GetLocation(new_reader, 256, location, NULL);
3005                     ok(hr == E_INVALIDARG, "got %#x\n", hr);
3006 
3007                     location[0] = 0;
3008                     len = 0xdeadbeef;
3009                     hr = IWICMetadataQueryReader_GetLocation(new_reader, 3, 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                     location[0] = 0;
3015                     len = 0xdeadbeef;
3016                     hr = IWICMetadataQueryReader_GetLocation(new_reader, 0, location, &len);
3017                     ok(hr == WINCODEC_ERR_INSUFFICIENTBUFFER, "got %#x\n", hr);
3018                     ok(len == 0xdeadbeef, "got %u\n", len);
3019                     ok(!location[0], "got %s\n", wine_dbgstr_w(location));
3020 
3021                     len = 0xdeadbeef;
3022                     hr = IWICMetadataQueryReader_GetLocation(new_reader, 0, NULL, &len);
3023                     ok(hr == S_OK, "GetLocation error %#x\n", hr);
3024                     ok(len == lstrlenW(queryW) + 1, "expected %u, got %u\n", lstrlenW(queryW) + 1, len);
3025 
3026                     len = 0xdeadbeef;
3027                     hr = IWICMetadataQueryReader_GetLocation(new_reader, 3, NULL, &len);
3028                     ok(hr == S_OK, "GetLocation error %#x\n", hr);
3029                     ok(len == lstrlenW(queryW) + 1, "expected %u, got %u\n", lstrlenW(queryW) + 1, len);
3030 
3031                     hr = IWICMetadataQueryReader_GetLocation(new_reader, 0, NULL, NULL);
3032                     ok(hr == E_INVALIDARG, "got %#x\n", hr);
3033 
3034                     IWICMetadataQueryReader_Release(new_reader);
3035                     PropVariantClear(&value);
3036                 }
3037                 else if (value.vt == VT_LPSTR)
3038                     ok(!lstrcmpA(U(value).pszVal, test_data[i].str_value), "%u: expected %s, got %s\n",
3039                        i, test_data[i].str_value, U(value).pszVal);
3040                 else
3041                     ok(U(value).uiVal == test_data[i].value, "%u: expected %u, got %u\n",
3042                        i, test_data[i].value, U(value).uiVal);
3043             }
3044 
3045             /*
3046              * Do NOT call PropVariantClear(&value) for fake value types.
3047              */
3048         }
3049     }
3050 
3051     IWICMetadataQueryReader_Release(reader);
3052     IWICComponentFactory_Release(factory);
3053 }
3054 
3055 START_TEST(metadata)
3056 {
3057     CoInitializeEx(NULL, COINIT_APARTMENTTHREADED);
3058 
3059     test_queryreader();
3060     test_WICMapGuidToShortName();
3061     test_WICMapShortNameToGuid();
3062     test_WICMapSchemaToName();
3063     test_metadata_unknown();
3064     test_metadata_tEXt();
3065     test_metadata_gAMA();
3066     test_metadata_cHRM();
3067     test_metadata_IFD();
3068     test_metadata_Exif();
3069     test_create_reader();
3070     test_metadata_png();
3071     test_metadata_gif();
3072     test_metadata_LSD();
3073     test_metadata_IMD();
3074     test_metadata_GCE();
3075     test_metadata_APE();
3076     test_metadata_GIF_comment();
3077 
3078     CoUninitialize();
3079 }
3080