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