#include <stdarg.h>
#include "windef.h"
#include "winbase.h"
#include "objbase.h"
#include "shlwapi.h"
#include "wincodecs_private.h"
#include "wine/debug.h"
Go to the source code of this file.
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static USHORT | read_ushort_be (BYTE *data) |
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static ULONG | read_ulong_be (BYTE *data) |
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static HRESULT | LoadTextMetadata (IStream *stream, const GUID *preferred_vendor, DWORD persist_options, MetadataItem **items, DWORD *item_count) |
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HRESULT | PngTextReader_CreateInstance (REFIID iid, void **ppv) |
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static HRESULT | LoadGamaMetadata (IStream *stream, const GUID *preferred_vendor, DWORD persist_options, MetadataItem **items, DWORD *item_count) |
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HRESULT | PngGamaReader_CreateInstance (REFIID iid, void **ppv) |
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static HRESULT | LoadChrmMetadata (IStream *stream, const GUID *preferred_vendor, DWORD persist_options, MetadataItem **items, DWORD *item_count) |
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HRESULT | PngChrmReader_CreateInstance (REFIID iid, void **ppv) |
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static HRESULT | LoadHistMetadata (IStream *stream, const GUID *preferred_vendor, DWORD persist_options, MetadataItem **items, DWORD *item_count) |
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HRESULT | PngHistReader_CreateInstance (REFIID iid, void **ppv) |
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static HRESULT | LoadTimeMetadata (IStream *stream, const GUID *preferred_vendor, DWORD persist_options, MetadataItem **items, DWORD *item_count) |
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HRESULT | PngTimeReader_CreateInstance (REFIID iid, void **ppv) |
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HRESULT | PngDecoder_CreateInstance (REFIID iid, void **ppv) |
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HRESULT | PngEncoder_CreateInstance (REFIID iid, void **ppv) |
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◆ COBJMACROS
◆ LoadChrmMetadata()
Definition at line 173 of file pngformat.c.
175{
189 };
190 LPWSTR dyn_names[8] = {0};
193
196
197 if (data_size < 32)
198 {
201 }
202
205 {
207 if (!dyn_names[
i])
break;
208 }
210 {
216 }
217
219 {
221
222 PropVariantInit(&
result[
i].
id);
224 result[
i].id.pwszVal = dyn_names[
i];
225
229 }
230
232 *item_count = 8;
233
235
237}
HRESULT WINAPI SHStrDupW(LPCWSTR src, LPWSTR *dest)
GLuint GLuint GLsizei GLenum type
GLint GLenum GLsizei GLsizei GLsizei GLint GLsizei const GLvoid * data
GLsizei GLenum const GLvoid GLsizei GLenum GLbyte GLbyte GLbyte GLdouble GLdouble GLdouble GLfloat GLfloat GLfloat GLint GLint GLint GLshort GLshort GLshort GLubyte GLubyte GLubyte GLuint GLuint GLuint GLushort GLushort GLushort GLbyte GLbyte GLbyte GLbyte GLdouble GLdouble GLdouble GLdouble GLfloat GLfloat GLfloat GLfloat GLint GLint GLint GLint GLshort GLshort GLshort GLshort GLubyte GLubyte GLubyte GLubyte GLuint GLuint GLuint GLuint GLushort GLushort GLushort GLushort GLboolean const GLdouble const GLfloat const GLint const GLshort const GLbyte const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLdouble const GLfloat const GLfloat const GLint const GLint const GLshort const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort GLenum GLenum GLenum GLfloat GLenum GLint GLenum GLenum GLenum GLfloat GLenum GLenum GLint GLenum GLfloat GLenum GLint GLint GLushort GLenum GLenum GLfloat GLenum GLenum GLint GLfloat const GLubyte GLenum GLenum GLenum const GLfloat GLenum GLenum const GLint GLenum GLint GLint GLsizei GLsizei GLint GLenum GLenum const GLvoid GLenum GLenum const GLfloat GLenum GLenum const GLint GLenum GLenum const GLdouble GLenum GLenum const GLfloat GLenum GLenum const GLint GLsizei GLuint GLfloat GLuint GLbitfield GLfloat GLint GLuint GLboolean GLenum GLfloat GLenum GLbitfield GLenum GLfloat GLfloat GLint GLint const GLfloat GLenum GLfloat GLfloat GLint GLint GLfloat GLfloat GLint GLint const GLfloat GLint GLfloat GLfloat GLint GLfloat GLfloat GLint GLfloat GLfloat const GLdouble const GLfloat const GLdouble const GLfloat GLint i
VOID WINAPI CoTaskMemFree(LPVOID ptr)
HRESULT read_png_chunk(IStream *stream, BYTE *type, BYTE **data, ULONG *data_size)
◆ LoadGamaMetadata()
Definition at line 114 of file pngformat.c.
116{
124
127
128 if (data_size < 4)
129 {
132 }
133
135
137
141 {
145 }
146
148 PropVariantInit(&
result[0].
id);
150
154 result[0].value.ulVal = gamma;
155
157 *item_count = 1;
158
160}
◆ LoadHistMetadata()
Definition at line 250 of file pngformat.c.
252{
256 ULONG data_size, element_count,
i;
260
263
264 element_count = data_size / 2;
266 if (!elements)
267 {
270 }
271 for (
i = 0;
i < element_count;
i++)
273
275
283 }
284
286 PropVariantInit(&
result[0].
id);
288
291
293 result[0].value.caui.cElems = element_count;
294 result[0].value.caui.pElems = elements;
295
297 *item_count = 1;
298
300}
LPVOID WINAPI CoTaskMemAlloc(SIZE_T size)
◆ LoadTextMetadata()
Definition at line 43 of file pngformat.c.
45{
50 ULONG name_len, value_len;
54
57
59
60 name_len = name_end_ptr -
data;
61
62 if (!name_end_ptr || name_len > 79)
63 {
66 }
67
68 value_len = data_size - name_len - 1;
69
74 {
80 }
81
83 PropVariantInit(&
result[0].
id);
85
89
94
96 *item_count = 1;
97
99
101}
#define memcpy(s1, s2, n)
◆ LoadTimeMetadata()
Definition at line 313 of file pngformat.c.
315{
322 {
329 };
330 LPWSTR id_values[6] = {0};
331
332
335
336 if (data_size != 7)
337 {
340 }
341
343 for (
i = 0;
i < 6;
i++)
344 {
346 if (!id_values[
i])
break;
347 }
349 {
351 for (
i = 0;
i < 6;
i++)
355 }
356
357 for (
i = 0;
i < 6;
i++)
358 {
360 PropVariantInit(&
result[
i].
id);
362
364 result[
i].id.pwszVal = id_values[
i];
365 }
366
379
381 *item_count = 6;
382
384
386}
◆ PngChrmReader_CreateInstance()
◆ PngDecoder_CreateInstance()
Definition at line 399 of file pngformat.c.
400{
404
406
409
411}
HRESULT CommonDecoder_CreateInstance(struct decoder *decoder, const struct decoder_info *decoder_info, REFIID iid, void **ppv)
HRESULT CDECL png_decoder_create(struct decoder_info *info, struct decoder **result)
Referenced by ReadIcoPng().
◆ PngEncoder_CreateInstance()
Definition at line 413 of file pngformat.c.
414{
418
420
423
425}
HRESULT CommonEncoder_CreateInstance(struct encoder *encoder, const struct encoder_info *encoder_info, REFIID iid, void **ppv)
HRESULT CDECL png_encoder_create(struct encoder_info *info, struct encoder **result)
◆ PngGamaReader_CreateInstance()
◆ PngHistReader_CreateInstance()
◆ PngTextReader_CreateInstance()
◆ PngTimeReader_CreateInstance()
◆ read_ulong_be()
◆ read_ushort_be()
◆ ChrmReader_Vtbl
◆ GamaReader_Vtbl
◆ HistReader_Vtbl
◆ TextReader_Vtbl
◆ TimeReader_Vtbl