2 * Copyright 2009 Vincent Povirk for CodeWeavers
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2.1 of the License, or (at your option) any later version.
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with this library; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
20 #include "wine/port.h"
31 /* This is a hack, so jpeglib.h does not redefine INT32 and the like*/
33 #define UINT8 JPEG_UINT8
34 #define UINT16 JPEG_UINT16
35 #define boolean jpeg_boolean
39 #define HAVE_STDLIB_H 1
51 #include "wincodecs_private.h"
53 #include "wine/debug.h"
54 #include "wine/library.h"
56 WINE_DEFAULT_DEBUG_CHANNEL(wincodecs
);
59 WINE_DECLARE_DEBUG_CHANNEL(jpeg
);
61 static void *libjpeg_handle
;
63 static const WCHAR wszImageQuality
[] = {'I','m','a','g','e','Q','u','a','l','i','t','y',0};
64 static const WCHAR wszBitmapTransform
[] = {'B','i','t','m','a','p','T','r','a','n','s','f','o','r','m',0};
65 static const WCHAR wszLuminance
[] = {'L','u','m','i','n','a','n','c','e',0};
66 static const WCHAR wszChrominance
[] = {'C','h','r','o','m','i','n','a','n','c','e',0};
67 static const WCHAR wszJpegYCrCbSubsampling
[] = {'J','p','e','g','Y','C','r','C','b','S','u','b','s','a','m','p','l','i','n','g',0};
68 static const WCHAR wszSuppressApp0
[] = {'S','u','p','p','r','e','s','s','A','p','p','0',0};
70 #define MAKE_FUNCPTR(f) static typeof(f) * p##f
71 MAKE_FUNCPTR(jpeg_CreateCompress
);
72 MAKE_FUNCPTR(jpeg_CreateDecompress
);
73 MAKE_FUNCPTR(jpeg_destroy_compress
);
74 MAKE_FUNCPTR(jpeg_destroy_decompress
);
75 MAKE_FUNCPTR(jpeg_finish_compress
);
76 MAKE_FUNCPTR(jpeg_read_header
);
77 MAKE_FUNCPTR(jpeg_read_scanlines
);
78 MAKE_FUNCPTR(jpeg_resync_to_restart
);
79 MAKE_FUNCPTR(jpeg_set_defaults
);
80 MAKE_FUNCPTR(jpeg_start_compress
);
81 MAKE_FUNCPTR(jpeg_start_decompress
);
82 MAKE_FUNCPTR(jpeg_std_error
);
83 MAKE_FUNCPTR(jpeg_write_scanlines
);
86 static void *load_libjpeg(void)
88 if((libjpeg_handle
= wine_dlopen(SONAME_LIBJPEG
, RTLD_NOW
, NULL
, 0)) != NULL
) {
90 #define LOAD_FUNCPTR(f) \
91 if((p##f = wine_dlsym(libjpeg_handle, #f, NULL, 0)) == NULL) { \
92 libjpeg_handle = NULL; \
96 LOAD_FUNCPTR(jpeg_CreateCompress
);
97 LOAD_FUNCPTR(jpeg_CreateDecompress
);
98 LOAD_FUNCPTR(jpeg_destroy_compress
);
99 LOAD_FUNCPTR(jpeg_destroy_decompress
);
100 LOAD_FUNCPTR(jpeg_finish_compress
);
101 LOAD_FUNCPTR(jpeg_read_header
);
102 LOAD_FUNCPTR(jpeg_read_scanlines
);
103 LOAD_FUNCPTR(jpeg_resync_to_restart
);
104 LOAD_FUNCPTR(jpeg_set_defaults
);
105 LOAD_FUNCPTR(jpeg_start_compress
);
106 LOAD_FUNCPTR(jpeg_start_decompress
);
107 LOAD_FUNCPTR(jpeg_std_error
);
108 LOAD_FUNCPTR(jpeg_write_scanlines
);
111 return libjpeg_handle
;
114 static void error_exit_fn(j_common_ptr cinfo
)
116 char message
[JMSG_LENGTH_MAX
];
119 cinfo
->err
->format_message(cinfo
, message
);
120 ERR_(jpeg
)("%s\n", message
);
122 longjmp(*(jmp_buf*)cinfo
->client_data
, 1);
125 static void emit_message_fn(j_common_ptr cinfo
, int msg_level
)
127 char message
[JMSG_LENGTH_MAX
];
129 if (msg_level
< 0 && ERR_ON(jpeg
))
131 cinfo
->err
->format_message(cinfo
, message
);
132 ERR_(jpeg
)("%s\n", message
);
134 else if (msg_level
== 0 && WARN_ON(jpeg
))
136 cinfo
->err
->format_message(cinfo
, message
);
137 WARN_(jpeg
)("%s\n", message
);
139 else if (msg_level
> 0 && TRACE_ON(jpeg
))
141 cinfo
->err
->format_message(cinfo
, message
);
142 TRACE_(jpeg
)("%s\n", message
);
147 IWICBitmapDecoder IWICBitmapDecoder_iface
;
148 IWICBitmapFrameDecode IWICBitmapFrameDecode_iface
;
149 IWICMetadataBlockReader IWICMetadataBlockReader_iface
;
152 BOOL cinfo_initialized
;
154 struct jpeg_decompress_struct cinfo
;
155 struct jpeg_error_mgr jerr
;
156 struct jpeg_source_mgr source_mgr
;
157 BYTE source_buffer
[1024];
159 CRITICAL_SECTION lock
;
162 static inline JpegDecoder
*impl_from_IWICBitmapDecoder(IWICBitmapDecoder
*iface
)
164 return CONTAINING_RECORD(iface
, JpegDecoder
, IWICBitmapDecoder_iface
);
167 static inline JpegDecoder
*impl_from_IWICBitmapFrameDecode(IWICBitmapFrameDecode
*iface
)
169 return CONTAINING_RECORD(iface
, JpegDecoder
, IWICBitmapFrameDecode_iface
);
172 static inline JpegDecoder
*decoder_from_decompress(j_decompress_ptr decompress
)
174 return CONTAINING_RECORD(decompress
, JpegDecoder
, cinfo
);
177 static inline JpegDecoder
*impl_from_IWICMetadataBlockReader(IWICMetadataBlockReader
*iface
)
179 return CONTAINING_RECORD(iface
, JpegDecoder
, IWICMetadataBlockReader_iface
);
182 static HRESULT WINAPI
JpegDecoder_QueryInterface(IWICBitmapDecoder
*iface
, REFIID iid
,
185 JpegDecoder
*This
= impl_from_IWICBitmapDecoder(iface
);
186 TRACE("(%p,%s,%p)\n", iface
, debugstr_guid(iid
), ppv
);
188 if (!ppv
) return E_INVALIDARG
;
190 if (IsEqualIID(&IID_IUnknown
, iid
) ||
191 IsEqualIID(&IID_IWICBitmapDecoder
, iid
))
193 *ppv
= &This
->IWICBitmapDecoder_iface
;
198 return E_NOINTERFACE
;
201 IUnknown_AddRef((IUnknown
*)*ppv
);
205 static ULONG WINAPI
JpegDecoder_AddRef(IWICBitmapDecoder
*iface
)
207 JpegDecoder
*This
= impl_from_IWICBitmapDecoder(iface
);
208 ULONG ref
= InterlockedIncrement(&This
->ref
);
210 TRACE("(%p) refcount=%u\n", iface
, ref
);
215 static ULONG WINAPI
JpegDecoder_Release(IWICBitmapDecoder
*iface
)
217 JpegDecoder
*This
= impl_from_IWICBitmapDecoder(iface
);
218 ULONG ref
= InterlockedDecrement(&This
->ref
);
220 TRACE("(%p) refcount=%u\n", iface
, ref
);
224 This
->lock
.DebugInfo
->Spare
[0] = 0;
225 DeleteCriticalSection(&This
->lock
);
226 if (This
->cinfo_initialized
) pjpeg_destroy_decompress(&This
->cinfo
);
227 if (This
->stream
) IStream_Release(This
->stream
);
228 HeapFree(GetProcessHeap(), 0, This
->image_data
);
229 HeapFree(GetProcessHeap(), 0, This
);
235 static HRESULT WINAPI
JpegDecoder_QueryCapability(IWICBitmapDecoder
*iface
, IStream
*stream
,
240 TRACE("(%p,%p,%p)\n", iface
, stream
, capability
);
242 if (!stream
|| !capability
) return E_INVALIDARG
;
244 hr
= IWICBitmapDecoder_Initialize(iface
, stream
, WICDecodeMetadataCacheOnDemand
);
245 if (hr
!= S_OK
) return hr
;
247 *capability
= WICBitmapDecoderCapabilityCanDecodeAllImages
|
248 WICBitmapDecoderCapabilityCanDecodeSomeImages
;
249 /* FIXME: WICBitmapDecoderCapabilityCanEnumerateMetadata */
253 static void source_mgr_init_source(j_decompress_ptr cinfo
)
257 static jpeg_boolean
source_mgr_fill_input_buffer(j_decompress_ptr cinfo
)
259 JpegDecoder
*This
= decoder_from_decompress(cinfo
);
263 hr
= IStream_Read(This
->stream
, This
->source_buffer
, 1024, &bytesread
);
265 if (FAILED(hr
) || bytesread
== 0)
271 This
->source_mgr
.next_input_byte
= This
->source_buffer
;
272 This
->source_mgr
.bytes_in_buffer
= bytesread
;
277 static void source_mgr_skip_input_data(j_decompress_ptr cinfo
, long num_bytes
)
279 JpegDecoder
*This
= decoder_from_decompress(cinfo
);
282 if (num_bytes
> This
->source_mgr
.bytes_in_buffer
)
284 seek
.QuadPart
= num_bytes
- This
->source_mgr
.bytes_in_buffer
;
285 IStream_Seek(This
->stream
, seek
, STREAM_SEEK_CUR
, NULL
);
286 This
->source_mgr
.bytes_in_buffer
= 0;
288 else if (num_bytes
> 0)
290 This
->source_mgr
.next_input_byte
+= num_bytes
;
291 This
->source_mgr
.bytes_in_buffer
-= num_bytes
;
295 static void source_mgr_term_source(j_decompress_ptr cinfo
)
299 static HRESULT WINAPI
JpegDecoder_Initialize(IWICBitmapDecoder
*iface
, IStream
*pIStream
,
300 WICDecodeOptions cacheOptions
)
302 JpegDecoder
*This
= impl_from_IWICBitmapDecoder(iface
);
306 TRACE("(%p,%p,%u)\n", iface
, pIStream
, cacheOptions
);
308 EnterCriticalSection(&This
->lock
);
310 if (This
->cinfo_initialized
)
312 LeaveCriticalSection(&This
->lock
);
313 return WINCODEC_ERR_WRONGSTATE
;
316 pjpeg_std_error(&This
->jerr
);
318 This
->jerr
.error_exit
= error_exit_fn
;
319 This
->jerr
.emit_message
= emit_message_fn
;
321 This
->cinfo
.err
= &This
->jerr
;
323 This
->cinfo
.client_data
= jmpbuf
;
327 LeaveCriticalSection(&This
->lock
);
331 pjpeg_CreateDecompress(&This
->cinfo
, JPEG_LIB_VERSION
, sizeof(struct jpeg_decompress_struct
));
333 This
->cinfo_initialized
= TRUE
;
335 This
->stream
= pIStream
;
336 IStream_AddRef(pIStream
);
339 IStream_Seek(This
->stream
, seek
, STREAM_SEEK_SET
, NULL
);
341 This
->source_mgr
.bytes_in_buffer
= 0;
342 This
->source_mgr
.init_source
= source_mgr_init_source
;
343 This
->source_mgr
.fill_input_buffer
= source_mgr_fill_input_buffer
;
344 This
->source_mgr
.skip_input_data
= source_mgr_skip_input_data
;
345 This
->source_mgr
.resync_to_restart
= pjpeg_resync_to_restart
;
346 This
->source_mgr
.term_source
= source_mgr_term_source
;
348 This
->cinfo
.src
= &This
->source_mgr
;
350 ret
= pjpeg_read_header(&This
->cinfo
, TRUE
);
352 if (ret
!= JPEG_HEADER_OK
) {
353 WARN("Jpeg image in stream has bad format, read header returned %d.\n",ret
);
354 LeaveCriticalSection(&This
->lock
);
358 switch (This
->cinfo
.jpeg_color_space
)
361 This
->cinfo
.out_color_space
= JCS_GRAYSCALE
;
365 This
->cinfo
.out_color_space
= JCS_RGB
;
369 This
->cinfo
.out_color_space
= JCS_CMYK
;
372 ERR("Unknown JPEG color space %i\n", This
->cinfo
.jpeg_color_space
);
373 LeaveCriticalSection(&This
->lock
);
377 if (!pjpeg_start_decompress(&This
->cinfo
))
379 ERR("jpeg_start_decompress failed\n");
380 LeaveCriticalSection(&This
->lock
);
384 This
->initialized
= TRUE
;
386 LeaveCriticalSection(&This
->lock
);
391 static HRESULT WINAPI
JpegDecoder_GetContainerFormat(IWICBitmapDecoder
*iface
,
392 GUID
*pguidContainerFormat
)
394 memcpy(pguidContainerFormat
, &GUID_ContainerFormatJpeg
, sizeof(GUID
));
398 static HRESULT WINAPI
JpegDecoder_GetDecoderInfo(IWICBitmapDecoder
*iface
,
399 IWICBitmapDecoderInfo
**ppIDecoderInfo
)
401 TRACE("(%p,%p)\n", iface
, ppIDecoderInfo
);
403 return get_decoder_info(&CLSID_WICJpegDecoder
, ppIDecoderInfo
);
406 static HRESULT WINAPI
JpegDecoder_CopyPalette(IWICBitmapDecoder
*iface
,
407 IWICPalette
*pIPalette
)
409 TRACE("(%p,%p)\n", iface
, pIPalette
);
411 return WINCODEC_ERR_PALETTEUNAVAILABLE
;
414 static HRESULT WINAPI
JpegDecoder_GetMetadataQueryReader(IWICBitmapDecoder
*iface
,
415 IWICMetadataQueryReader
**reader
)
417 TRACE("(%p,%p)\n", iface
, reader
);
419 if (!reader
) return E_INVALIDARG
;
422 return WINCODEC_ERR_UNSUPPORTEDOPERATION
;
425 static HRESULT WINAPI
JpegDecoder_GetPreview(IWICBitmapDecoder
*iface
,
426 IWICBitmapSource
**ppIBitmapSource
)
428 FIXME("(%p,%p): stub\n", iface
, ppIBitmapSource
);
429 return WINCODEC_ERR_UNSUPPORTEDOPERATION
;
432 static HRESULT WINAPI
JpegDecoder_GetColorContexts(IWICBitmapDecoder
*iface
,
433 UINT cCount
, IWICColorContext
**ppIColorContexts
, UINT
*pcActualCount
)
435 FIXME("(%p,%u,%p,%p): stub\n", iface
, cCount
, ppIColorContexts
, pcActualCount
);
436 return WINCODEC_ERR_UNSUPPORTEDOPERATION
;
439 static HRESULT WINAPI
JpegDecoder_GetThumbnail(IWICBitmapDecoder
*iface
,
440 IWICBitmapSource
**ppIThumbnail
)
442 FIXME("(%p,%p): stub\n", iface
, ppIThumbnail
);
443 return WINCODEC_ERR_CODECNOTHUMBNAIL
;
446 static HRESULT WINAPI
JpegDecoder_GetFrameCount(IWICBitmapDecoder
*iface
,
449 if (!pCount
) return E_INVALIDARG
;
455 static HRESULT WINAPI
JpegDecoder_GetFrame(IWICBitmapDecoder
*iface
,
456 UINT index
, IWICBitmapFrameDecode
**ppIBitmapFrame
)
458 JpegDecoder
*This
= impl_from_IWICBitmapDecoder(iface
);
459 TRACE("(%p,%u,%p)\n", iface
, index
, ppIBitmapFrame
);
461 if (!This
->initialized
) return WINCODEC_ERR_FRAMEMISSING
;
463 if (index
!= 0) return E_INVALIDARG
;
465 IWICBitmapDecoder_AddRef(iface
);
466 *ppIBitmapFrame
= &This
->IWICBitmapFrameDecode_iface
;
471 static const IWICBitmapDecoderVtbl JpegDecoder_Vtbl
= {
472 JpegDecoder_QueryInterface
,
475 JpegDecoder_QueryCapability
,
476 JpegDecoder_Initialize
,
477 JpegDecoder_GetContainerFormat
,
478 JpegDecoder_GetDecoderInfo
,
479 JpegDecoder_CopyPalette
,
480 JpegDecoder_GetMetadataQueryReader
,
481 JpegDecoder_GetPreview
,
482 JpegDecoder_GetColorContexts
,
483 JpegDecoder_GetThumbnail
,
484 JpegDecoder_GetFrameCount
,
488 static HRESULT WINAPI
JpegDecoder_Frame_QueryInterface(IWICBitmapFrameDecode
*iface
, REFIID iid
,
491 JpegDecoder
*This
= impl_from_IWICBitmapFrameDecode(iface
);
493 TRACE("(%p,%s,%p)\n", iface
, debugstr_guid(iid
), ppv
);
495 if (!ppv
) return E_INVALIDARG
;
497 if (IsEqualIID(&IID_IUnknown
, iid
) ||
498 IsEqualIID(&IID_IWICBitmapSource
, iid
) ||
499 IsEqualIID(&IID_IWICBitmapFrameDecode
, iid
))
501 *ppv
= &This
->IWICBitmapFrameDecode_iface
;
506 return E_NOINTERFACE
;
509 IUnknown_AddRef((IUnknown
*)*ppv
);
513 static ULONG WINAPI
JpegDecoder_Frame_AddRef(IWICBitmapFrameDecode
*iface
)
515 JpegDecoder
*This
= impl_from_IWICBitmapFrameDecode(iface
);
516 return IWICBitmapDecoder_AddRef(&This
->IWICBitmapDecoder_iface
);
519 static ULONG WINAPI
JpegDecoder_Frame_Release(IWICBitmapFrameDecode
*iface
)
521 JpegDecoder
*This
= impl_from_IWICBitmapFrameDecode(iface
);
522 return IWICBitmapDecoder_Release(&This
->IWICBitmapDecoder_iface
);
525 static HRESULT WINAPI
JpegDecoder_Frame_GetSize(IWICBitmapFrameDecode
*iface
,
526 UINT
*puiWidth
, UINT
*puiHeight
)
528 JpegDecoder
*This
= impl_from_IWICBitmapFrameDecode(iface
);
529 *puiWidth
= This
->cinfo
.output_width
;
530 *puiHeight
= This
->cinfo
.output_height
;
531 TRACE("(%p)->(%u,%u)\n", iface
, *puiWidth
, *puiHeight
);
535 static HRESULT WINAPI
JpegDecoder_Frame_GetPixelFormat(IWICBitmapFrameDecode
*iface
,
536 WICPixelFormatGUID
*pPixelFormat
)
538 JpegDecoder
*This
= impl_from_IWICBitmapFrameDecode(iface
);
539 TRACE("(%p,%p)\n", iface
, pPixelFormat
);
540 if (This
->cinfo
.out_color_space
== JCS_RGB
)
541 memcpy(pPixelFormat
, &GUID_WICPixelFormat24bppBGR
, sizeof(GUID
));
542 else if (This
->cinfo
.out_color_space
== JCS_CMYK
)
543 memcpy(pPixelFormat
, &GUID_WICPixelFormat32bppCMYK
, sizeof(GUID
));
544 else /* This->cinfo.out_color_space == JCS_GRAYSCALE */
545 memcpy(pPixelFormat
, &GUID_WICPixelFormat8bppGray
, sizeof(GUID
));
549 static HRESULT WINAPI
JpegDecoder_Frame_GetResolution(IWICBitmapFrameDecode
*iface
,
550 double *pDpiX
, double *pDpiY
)
552 JpegDecoder
*This
= impl_from_IWICBitmapFrameDecode(iface
);
554 EnterCriticalSection(&This
->lock
);
556 switch (This
->cinfo
.density_unit
)
558 case 2: /* pixels per centimeter */
559 *pDpiX
= This
->cinfo
.X_density
* 2.54;
560 *pDpiY
= This
->cinfo
.Y_density
* 2.54;
563 case 1: /* pixels per inch */
564 *pDpiX
= This
->cinfo
.X_density
;
565 *pDpiY
= This
->cinfo
.Y_density
;
568 case 0: /* unknown */
575 LeaveCriticalSection(&This
->lock
);
577 TRACE("(%p)->(%0.2f,%0.2f)\n", iface
, *pDpiX
, *pDpiY
);
582 static HRESULT WINAPI
JpegDecoder_Frame_CopyPalette(IWICBitmapFrameDecode
*iface
,
583 IWICPalette
*pIPalette
)
585 FIXME("(%p,%p): stub\n", iface
, pIPalette
);
589 static HRESULT WINAPI
JpegDecoder_Frame_CopyPixels(IWICBitmapFrameDecode
*iface
,
590 const WICRect
*prc
, UINT cbStride
, UINT cbBufferSize
, BYTE
*pbBuffer
)
592 JpegDecoder
*This
= impl_from_IWICBitmapFrameDecode(iface
);
599 TRACE("(%p,%s,%u,%u,%p)\n", iface
, debug_wic_rect(prc
), cbStride
, cbBufferSize
, pbBuffer
);
605 rect
.Width
= This
->cinfo
.output_width
;
606 rect
.Height
= This
->cinfo
.output_height
;
611 if (prc
->X
< 0 || prc
->Y
< 0 || prc
->X
+prc
->Width
> This
->cinfo
.output_width
||
612 prc
->Y
+prc
->Height
> This
->cinfo
.output_height
)
616 if (This
->cinfo
.out_color_space
== JCS_GRAYSCALE
) bpp
= 8;
617 else if (This
->cinfo
.out_color_space
== JCS_CMYK
) bpp
= 32;
620 stride
= (bpp
* This
->cinfo
.output_width
+ 7) / 8;
621 data_size
= stride
* This
->cinfo
.output_height
;
623 max_row_needed
= prc
->Y
+ prc
->Height
;
624 if (max_row_needed
> This
->cinfo
.output_height
) return E_INVALIDARG
;
626 EnterCriticalSection(&This
->lock
);
628 if (!This
->image_data
)
630 This
->image_data
= HeapAlloc(GetProcessHeap(), 0, data_size
);
631 if (!This
->image_data
)
633 LeaveCriticalSection(&This
->lock
);
634 return E_OUTOFMEMORY
;
638 This
->cinfo
.client_data
= jmpbuf
;
642 LeaveCriticalSection(&This
->lock
);
646 while (max_row_needed
> This
->cinfo
.output_scanline
)
648 UINT first_scanline
= This
->cinfo
.output_scanline
;
650 JSAMPROW out_rows
[4];
654 max_rows
= min(This
->cinfo
.output_height
-first_scanline
, 4);
655 for (i
=0; i
<max_rows
; i
++)
656 out_rows
[i
] = This
->image_data
+ stride
* (first_scanline
+i
);
658 ret
= pjpeg_read_scanlines(&This
->cinfo
, out_rows
, max_rows
);
662 ERR("read_scanlines failed\n");
663 LeaveCriticalSection(&This
->lock
);
669 /* libjpeg gives us RGB data and we want BGR, so byteswap the data */
670 reverse_bgr8(3, This
->image_data
+ stride
* first_scanline
,
671 This
->cinfo
.output_width
, This
->cinfo
.output_scanline
- first_scanline
,
675 if (This
->cinfo
.out_color_space
== JCS_CMYK
&& This
->cinfo
.saw_Adobe_marker
)
677 DWORD
*pDwordData
= (DWORD
*) (This
->image_data
+ stride
* first_scanline
);
678 DWORD
*pDwordDataEnd
= (DWORD
*) (This
->image_data
+ This
->cinfo
.output_scanline
* stride
);
680 /* Adobe JPEG's have inverted CMYK data. */
681 while(pDwordData
< pDwordDataEnd
)
682 *pDwordData
++ ^= 0xffffffff;
687 LeaveCriticalSection(&This
->lock
);
689 return copy_pixels(bpp
, This
->image_data
,
690 This
->cinfo
.output_width
, This
->cinfo
.output_height
, stride
,
691 prc
, cbStride
, cbBufferSize
, pbBuffer
);
694 static HRESULT WINAPI
JpegDecoder_Frame_GetMetadataQueryReader(IWICBitmapFrameDecode
*iface
,
695 IWICMetadataQueryReader
**ppIMetadataQueryReader
)
697 JpegDecoder
*This
= impl_from_IWICBitmapFrameDecode(iface
);
699 TRACE("(%p,%p)\n", iface
, ppIMetadataQueryReader
);
701 if (!ppIMetadataQueryReader
)
704 return MetadataQueryReader_CreateInstance(&This
->IWICMetadataBlockReader_iface
, NULL
, ppIMetadataQueryReader
);
707 static HRESULT WINAPI
JpegDecoder_Frame_GetColorContexts(IWICBitmapFrameDecode
*iface
,
708 UINT cCount
, IWICColorContext
**ppIColorContexts
, UINT
*pcActualCount
)
710 FIXME("(%p,%u,%p,%p): stub\n", iface
, cCount
, ppIColorContexts
, pcActualCount
);
711 return WINCODEC_ERR_UNSUPPORTEDOPERATION
;
714 static HRESULT WINAPI
JpegDecoder_Frame_GetThumbnail(IWICBitmapFrameDecode
*iface
,
715 IWICBitmapSource
**ppIThumbnail
)
717 FIXME("(%p,%p): stub\n", iface
, ppIThumbnail
);
718 return WINCODEC_ERR_CODECNOTHUMBNAIL
;
721 static const IWICBitmapFrameDecodeVtbl JpegDecoder_Frame_Vtbl
= {
722 JpegDecoder_Frame_QueryInterface
,
723 JpegDecoder_Frame_AddRef
,
724 JpegDecoder_Frame_Release
,
725 JpegDecoder_Frame_GetSize
,
726 JpegDecoder_Frame_GetPixelFormat
,
727 JpegDecoder_Frame_GetResolution
,
728 JpegDecoder_Frame_CopyPalette
,
729 JpegDecoder_Frame_CopyPixels
,
730 JpegDecoder_Frame_GetMetadataQueryReader
,
731 JpegDecoder_Frame_GetColorContexts
,
732 JpegDecoder_Frame_GetThumbnail
735 static HRESULT WINAPI
JpegDecoder_Block_QueryInterface(IWICMetadataBlockReader
*iface
, REFIID iid
,
738 JpegDecoder
*This
= impl_from_IWICMetadataBlockReader(iface
);
739 return IWICBitmapFrameDecode_QueryInterface(&This
->IWICBitmapFrameDecode_iface
, iid
, ppv
);
742 static ULONG WINAPI
JpegDecoder_Block_AddRef(IWICMetadataBlockReader
*iface
)
744 JpegDecoder
*This
= impl_from_IWICMetadataBlockReader(iface
);
745 return IWICBitmapDecoder_AddRef(&This
->IWICBitmapDecoder_iface
);
748 static ULONG WINAPI
JpegDecoder_Block_Release(IWICMetadataBlockReader
*iface
)
750 JpegDecoder
*This
= impl_from_IWICMetadataBlockReader(iface
);
751 return IWICBitmapDecoder_Release(&This
->IWICBitmapDecoder_iface
);
754 static HRESULT WINAPI
JpegDecoder_Block_GetContainerFormat(IWICMetadataBlockReader
*iface
,
755 GUID
*pguidContainerFormat
)
757 TRACE("%p,%p\n", iface
, pguidContainerFormat
);
759 if (!pguidContainerFormat
) return E_INVALIDARG
;
761 memcpy(pguidContainerFormat
, &GUID_ContainerFormatJpeg
, sizeof(GUID
));
766 static HRESULT WINAPI
JpegDecoder_Block_GetCount(IWICMetadataBlockReader
*iface
,
769 FIXME("%p,%p\n", iface
, pcCount
);
771 if (!pcCount
) return E_INVALIDARG
;
778 static HRESULT WINAPI
JpegDecoder_Block_GetReaderByIndex(IWICMetadataBlockReader
*iface
,
779 UINT nIndex
, IWICMetadataReader
**ppIMetadataReader
)
781 FIXME("%p,%d,%p\n", iface
, nIndex
, ppIMetadataReader
);
785 static HRESULT WINAPI
JpegDecoder_Block_GetEnumerator(IWICMetadataBlockReader
*iface
,
786 IEnumUnknown
**ppIEnumMetadata
)
788 FIXME("%p,%p\n", iface
, ppIEnumMetadata
);
792 static const IWICMetadataBlockReaderVtbl JpegDecoder_Block_Vtbl
= {
793 JpegDecoder_Block_QueryInterface
,
794 JpegDecoder_Block_AddRef
,
795 JpegDecoder_Block_Release
,
796 JpegDecoder_Block_GetContainerFormat
,
797 JpegDecoder_Block_GetCount
,
798 JpegDecoder_Block_GetReaderByIndex
,
799 JpegDecoder_Block_GetEnumerator
,
802 HRESULT
JpegDecoder_CreateInstance(REFIID iid
, void** ppv
)
807 TRACE("(%s,%p)\n", debugstr_guid(iid
), ppv
);
809 if (!libjpeg_handle
&& !load_libjpeg())
811 ERR("Failed reading JPEG because unable to find %s\n", SONAME_LIBJPEG
);
817 This
= HeapAlloc(GetProcessHeap(), 0, sizeof(JpegDecoder
));
818 if (!This
) return E_OUTOFMEMORY
;
820 This
->IWICBitmapDecoder_iface
.lpVtbl
= &JpegDecoder_Vtbl
;
821 This
->IWICBitmapFrameDecode_iface
.lpVtbl
= &JpegDecoder_Frame_Vtbl
;
822 This
->IWICMetadataBlockReader_iface
.lpVtbl
= &JpegDecoder_Block_Vtbl
;
824 This
->initialized
= FALSE
;
825 This
->cinfo_initialized
= FALSE
;
827 This
->image_data
= NULL
;
828 InitializeCriticalSection(&This
->lock
);
829 This
->lock
.DebugInfo
->Spare
[0] = (DWORD_PTR
)(__FILE__
": JpegDecoder.lock");
831 ret
= IWICBitmapDecoder_QueryInterface(&This
->IWICBitmapDecoder_iface
, iid
, ppv
);
832 IWICBitmapDecoder_Release(&This
->IWICBitmapDecoder_iface
);
837 typedef struct jpeg_compress_format
{
838 const WICPixelFormatGUID
*guid
;
841 J_COLOR_SPACE color_space
;
843 } jpeg_compress_format
;
845 static const jpeg_compress_format compress_formats
[] = {
846 { &GUID_WICPixelFormat24bppBGR
, 24, 3, JCS_RGB
, 1 },
847 { &GUID_WICPixelFormat32bppCMYK
, 32, 4, JCS_CMYK
},
848 { &GUID_WICPixelFormat8bppGray
, 8, 1, JCS_GRAYSCALE
},
852 typedef struct JpegEncoder
{
853 IWICBitmapEncoder IWICBitmapEncoder_iface
;
854 IWICBitmapFrameEncode IWICBitmapFrameEncode_iface
;
856 struct jpeg_compress_struct cinfo
;
857 struct jpeg_error_mgr jerr
;
858 struct jpeg_destination_mgr dest_mgr
;
861 BOOL frame_initialized
;
862 BOOL started_compress
;
864 BOOL frame_committed
;
868 const jpeg_compress_format
*format
;
870 WICColor palette
[256];
872 CRITICAL_SECTION lock
;
873 BYTE dest_buffer
[1024];
876 static inline JpegEncoder
*impl_from_IWICBitmapEncoder(IWICBitmapEncoder
*iface
)
878 return CONTAINING_RECORD(iface
, JpegEncoder
, IWICBitmapEncoder_iface
);
881 static inline JpegEncoder
*impl_from_IWICBitmapFrameEncode(IWICBitmapFrameEncode
*iface
)
883 return CONTAINING_RECORD(iface
, JpegEncoder
, IWICBitmapFrameEncode_iface
);
886 static inline JpegEncoder
*encoder_from_compress(j_compress_ptr compress
)
888 return CONTAINING_RECORD(compress
, JpegEncoder
, cinfo
);
891 static void dest_mgr_init_destination(j_compress_ptr cinfo
)
893 JpegEncoder
*This
= encoder_from_compress(cinfo
);
895 This
->dest_mgr
.next_output_byte
= This
->dest_buffer
;
896 This
->dest_mgr
.free_in_buffer
= sizeof(This
->dest_buffer
);
899 static jpeg_boolean
dest_mgr_empty_output_buffer(j_compress_ptr cinfo
)
901 JpegEncoder
*This
= encoder_from_compress(cinfo
);
905 hr
= IStream_Write(This
->stream
, This
->dest_buffer
,
906 sizeof(This
->dest_buffer
), &byteswritten
);
908 if (hr
!= S_OK
|| byteswritten
== 0)
910 ERR("Failed writing data, hr=%x\n", hr
);
914 This
->dest_mgr
.next_output_byte
= This
->dest_buffer
;
915 This
->dest_mgr
.free_in_buffer
= sizeof(This
->dest_buffer
);
919 static void dest_mgr_term_destination(j_compress_ptr cinfo
)
921 JpegEncoder
*This
= encoder_from_compress(cinfo
);
925 if (This
->dest_mgr
.free_in_buffer
!= sizeof(This
->dest_buffer
))
927 hr
= IStream_Write(This
->stream
, This
->dest_buffer
,
928 sizeof(This
->dest_buffer
) - This
->dest_mgr
.free_in_buffer
, &byteswritten
);
930 if (hr
!= S_OK
|| byteswritten
== 0)
931 ERR("Failed writing data, hr=%x\n", hr
);
935 static HRESULT WINAPI
JpegEncoder_Frame_QueryInterface(IWICBitmapFrameEncode
*iface
, REFIID iid
,
938 JpegEncoder
*This
= impl_from_IWICBitmapFrameEncode(iface
);
939 TRACE("(%p,%s,%p)\n", iface
, debugstr_guid(iid
), ppv
);
941 if (!ppv
) return E_INVALIDARG
;
943 if (IsEqualIID(&IID_IUnknown
, iid
) ||
944 IsEqualIID(&IID_IWICBitmapFrameEncode
, iid
))
946 *ppv
= &This
->IWICBitmapFrameEncode_iface
;
951 return E_NOINTERFACE
;
954 IUnknown_AddRef((IUnknown
*)*ppv
);
958 static ULONG WINAPI
JpegEncoder_Frame_AddRef(IWICBitmapFrameEncode
*iface
)
960 JpegEncoder
*This
= impl_from_IWICBitmapFrameEncode(iface
);
961 return IWICBitmapEncoder_AddRef(&This
->IWICBitmapEncoder_iface
);
964 static ULONG WINAPI
JpegEncoder_Frame_Release(IWICBitmapFrameEncode
*iface
)
966 JpegEncoder
*This
= impl_from_IWICBitmapFrameEncode(iface
);
967 return IWICBitmapEncoder_Release(&This
->IWICBitmapEncoder_iface
);
970 static HRESULT WINAPI
JpegEncoder_Frame_Initialize(IWICBitmapFrameEncode
*iface
,
971 IPropertyBag2
*pIEncoderOptions
)
973 JpegEncoder
*This
= impl_from_IWICBitmapFrameEncode(iface
);
974 TRACE("(%p,%p)\n", iface
, pIEncoderOptions
);
976 EnterCriticalSection(&This
->lock
);
978 if (This
->frame_initialized
)
980 LeaveCriticalSection(&This
->lock
);
981 return WINCODEC_ERR_WRONGSTATE
;
984 This
->frame_initialized
= TRUE
;
986 LeaveCriticalSection(&This
->lock
);
991 static HRESULT WINAPI
JpegEncoder_Frame_SetSize(IWICBitmapFrameEncode
*iface
,
992 UINT uiWidth
, UINT uiHeight
)
994 JpegEncoder
*This
= impl_from_IWICBitmapFrameEncode(iface
);
995 TRACE("(%p,%u,%u)\n", iface
, uiWidth
, uiHeight
);
997 EnterCriticalSection(&This
->lock
);
999 if (!This
->frame_initialized
|| This
->started_compress
)
1001 LeaveCriticalSection(&This
->lock
);
1002 return WINCODEC_ERR_WRONGSTATE
;
1005 This
->width
= uiWidth
;
1006 This
->height
= uiHeight
;
1008 LeaveCriticalSection(&This
->lock
);
1013 static HRESULT WINAPI
JpegEncoder_Frame_SetResolution(IWICBitmapFrameEncode
*iface
,
1014 double dpiX
, double dpiY
)
1016 JpegEncoder
*This
= impl_from_IWICBitmapFrameEncode(iface
);
1017 TRACE("(%p,%0.2f,%0.2f)\n", iface
, dpiX
, dpiY
);
1019 EnterCriticalSection(&This
->lock
);
1021 if (!This
->frame_initialized
|| This
->started_compress
)
1023 LeaveCriticalSection(&This
->lock
);
1024 return WINCODEC_ERR_WRONGSTATE
;
1030 LeaveCriticalSection(&This
->lock
);
1035 static HRESULT WINAPI
JpegEncoder_Frame_SetPixelFormat(IWICBitmapFrameEncode
*iface
,
1036 WICPixelFormatGUID
*pPixelFormat
)
1038 JpegEncoder
*This
= impl_from_IWICBitmapFrameEncode(iface
);
1040 TRACE("(%p,%s)\n", iface
, debugstr_guid(pPixelFormat
));
1042 EnterCriticalSection(&This
->lock
);
1044 if (!This
->frame_initialized
|| This
->started_compress
)
1046 LeaveCriticalSection(&This
->lock
);
1047 return WINCODEC_ERR_WRONGSTATE
;
1050 for (i
=0; compress_formats
[i
].guid
; i
++)
1052 if (memcmp(compress_formats
[i
].guid
, pPixelFormat
, sizeof(GUID
)) == 0)
1056 if (!compress_formats
[i
].guid
) i
= 0;
1058 This
->format
= &compress_formats
[i
];
1059 memcpy(pPixelFormat
, This
->format
->guid
, sizeof(GUID
));
1061 LeaveCriticalSection(&This
->lock
);
1066 static HRESULT WINAPI
JpegEncoder_Frame_SetColorContexts(IWICBitmapFrameEncode
*iface
,
1067 UINT cCount
, IWICColorContext
**ppIColorContext
)
1069 FIXME("(%p,%u,%p): stub\n", iface
, cCount
, ppIColorContext
);
1073 static HRESULT WINAPI
JpegEncoder_Frame_SetPalette(IWICBitmapFrameEncode
*iface
,
1074 IWICPalette
*palette
)
1076 JpegEncoder
*This
= impl_from_IWICBitmapFrameEncode(iface
);
1079 TRACE("(%p,%p)\n", iface
, palette
);
1081 if (!palette
) return E_INVALIDARG
;
1083 EnterCriticalSection(&This
->lock
);
1085 if (This
->frame_initialized
)
1086 hr
= IWICPalette_GetColors(palette
, 256, This
->palette
, &This
->colors
);
1088 hr
= WINCODEC_ERR_NOTINITIALIZED
;
1090 LeaveCriticalSection(&This
->lock
);
1094 static HRESULT WINAPI
JpegEncoder_Frame_SetThumbnail(IWICBitmapFrameEncode
*iface
,
1095 IWICBitmapSource
*pIThumbnail
)
1097 FIXME("(%p,%p): stub\n", iface
, pIThumbnail
);
1098 return WINCODEC_ERR_UNSUPPORTEDOPERATION
;
1101 static HRESULT WINAPI
JpegEncoder_Frame_WritePixels(IWICBitmapFrameEncode
*iface
,
1102 UINT lineCount
, UINT cbStride
, UINT cbBufferSize
, BYTE
*pbPixels
)
1104 JpegEncoder
*This
= impl_from_IWICBitmapFrameEncode(iface
);
1106 BYTE
*swapped_data
= NULL
, *current_row
;
1109 TRACE("(%p,%u,%u,%u,%p)\n", iface
, lineCount
, cbStride
, cbBufferSize
, pbPixels
);
1111 EnterCriticalSection(&This
->lock
);
1113 if (!This
->frame_initialized
|| !This
->width
|| !This
->height
|| !This
->format
)
1115 LeaveCriticalSection(&This
->lock
);
1116 return WINCODEC_ERR_WRONGSTATE
;
1119 if (lineCount
== 0 || lineCount
+ This
->lines_written
> This
->height
)
1121 LeaveCriticalSection(&This
->lock
);
1122 return E_INVALIDARG
;
1125 /* set up setjmp/longjmp error handling */
1128 LeaveCriticalSection(&This
->lock
);
1129 HeapFree(GetProcessHeap(), 0, swapped_data
);
1132 This
->cinfo
.client_data
= jmpbuf
;
1134 if (!This
->started_compress
)
1136 This
->cinfo
.image_width
= This
->width
;
1137 This
->cinfo
.image_height
= This
->height
;
1138 This
->cinfo
.input_components
= This
->format
->num_components
;
1139 This
->cinfo
.in_color_space
= This
->format
->color_space
;
1141 pjpeg_set_defaults(&This
->cinfo
);
1143 if (This
->xres
!= 0.0 && This
->yres
!= 0.0)
1145 This
->cinfo
.density_unit
= 1; /* dots per inch */
1146 This
->cinfo
.X_density
= This
->xres
;
1147 This
->cinfo
.Y_density
= This
->yres
;
1150 pjpeg_start_compress(&This
->cinfo
, TRUE
);
1152 This
->started_compress
= TRUE
;
1155 row_size
= This
->format
->bpp
/ 8 * This
->width
;
1157 if (This
->format
->swap_rgb
)
1159 swapped_data
= HeapAlloc(GetProcessHeap(), 0, row_size
);
1162 LeaveCriticalSection(&This
->lock
);
1163 return E_OUTOFMEMORY
;
1167 for (line
=0; line
< lineCount
; line
++)
1169 if (This
->format
->swap_rgb
)
1173 memcpy(swapped_data
, pbPixels
+ (cbStride
* line
), row_size
);
1175 for (x
=0; x
< This
->width
; x
++)
1179 b
= swapped_data
[x
*3];
1180 swapped_data
[x
*3] = swapped_data
[x
*3+2];
1181 swapped_data
[x
*3+2] = b
;
1184 current_row
= swapped_data
;
1187 current_row
= pbPixels
+ (cbStride
* line
);
1189 if (!pjpeg_write_scanlines(&This
->cinfo
, ¤t_row
, 1))
1191 ERR("failed writing scanlines\n");
1192 LeaveCriticalSection(&This
->lock
);
1193 HeapFree(GetProcessHeap(), 0, swapped_data
);
1197 This
->lines_written
++;
1200 LeaveCriticalSection(&This
->lock
);
1201 HeapFree(GetProcessHeap(), 0, swapped_data
);
1206 static HRESULT WINAPI
JpegEncoder_Frame_WriteSource(IWICBitmapFrameEncode
*iface
,
1207 IWICBitmapSource
*pIBitmapSource
, WICRect
*prc
)
1209 JpegEncoder
*This
= impl_from_IWICBitmapFrameEncode(iface
);
1211 TRACE("(%p,%p,%s)\n", iface
, pIBitmapSource
, debug_wic_rect(prc
));
1213 if (!This
->frame_initialized
)
1214 return WINCODEC_ERR_WRONGSTATE
;
1216 hr
= configure_write_source(iface
, pIBitmapSource
, prc
,
1217 This
->format
? This
->format
->guid
: NULL
, This
->width
, This
->height
,
1218 This
->xres
, This
->yres
);
1222 hr
= write_source(iface
, pIBitmapSource
, prc
,
1223 This
->format
->guid
, This
->format
->bpp
, This
->width
, This
->height
);
1229 static HRESULT WINAPI
JpegEncoder_Frame_Commit(IWICBitmapFrameEncode
*iface
)
1231 JpegEncoder
*This
= impl_from_IWICBitmapFrameEncode(iface
);
1233 TRACE("(%p)\n", iface
);
1235 EnterCriticalSection(&This
->lock
);
1237 if (!This
->started_compress
|| This
->lines_written
!= This
->height
|| This
->frame_committed
)
1239 LeaveCriticalSection(&This
->lock
);
1240 return WINCODEC_ERR_WRONGSTATE
;
1243 /* set up setjmp/longjmp error handling */
1246 LeaveCriticalSection(&This
->lock
);
1249 This
->cinfo
.client_data
= jmpbuf
;
1251 pjpeg_finish_compress(&This
->cinfo
);
1253 This
->frame_committed
= TRUE
;
1255 LeaveCriticalSection(&This
->lock
);
1260 static HRESULT WINAPI
JpegEncoder_Frame_GetMetadataQueryWriter(IWICBitmapFrameEncode
*iface
,
1261 IWICMetadataQueryWriter
**ppIMetadataQueryWriter
)
1263 FIXME("(%p, %p): stub\n", iface
, ppIMetadataQueryWriter
);
1267 static const IWICBitmapFrameEncodeVtbl JpegEncoder_FrameVtbl
= {
1268 JpegEncoder_Frame_QueryInterface
,
1269 JpegEncoder_Frame_AddRef
,
1270 JpegEncoder_Frame_Release
,
1271 JpegEncoder_Frame_Initialize
,
1272 JpegEncoder_Frame_SetSize
,
1273 JpegEncoder_Frame_SetResolution
,
1274 JpegEncoder_Frame_SetPixelFormat
,
1275 JpegEncoder_Frame_SetColorContexts
,
1276 JpegEncoder_Frame_SetPalette
,
1277 JpegEncoder_Frame_SetThumbnail
,
1278 JpegEncoder_Frame_WritePixels
,
1279 JpegEncoder_Frame_WriteSource
,
1280 JpegEncoder_Frame_Commit
,
1281 JpegEncoder_Frame_GetMetadataQueryWriter
1284 static HRESULT WINAPI
JpegEncoder_QueryInterface(IWICBitmapEncoder
*iface
, REFIID iid
,
1287 JpegEncoder
*This
= impl_from_IWICBitmapEncoder(iface
);
1288 TRACE("(%p,%s,%p)\n", iface
, debugstr_guid(iid
), ppv
);
1290 if (!ppv
) return E_INVALIDARG
;
1292 if (IsEqualIID(&IID_IUnknown
, iid
) ||
1293 IsEqualIID(&IID_IWICBitmapEncoder
, iid
))
1295 *ppv
= &This
->IWICBitmapEncoder_iface
;
1300 return E_NOINTERFACE
;
1303 IUnknown_AddRef((IUnknown
*)*ppv
);
1307 static ULONG WINAPI
JpegEncoder_AddRef(IWICBitmapEncoder
*iface
)
1309 JpegEncoder
*This
= impl_from_IWICBitmapEncoder(iface
);
1310 ULONG ref
= InterlockedIncrement(&This
->ref
);
1312 TRACE("(%p) refcount=%u\n", iface
, ref
);
1317 static ULONG WINAPI
JpegEncoder_Release(IWICBitmapEncoder
*iface
)
1319 JpegEncoder
*This
= impl_from_IWICBitmapEncoder(iface
);
1320 ULONG ref
= InterlockedDecrement(&This
->ref
);
1322 TRACE("(%p) refcount=%u\n", iface
, ref
);
1326 This
->lock
.DebugInfo
->Spare
[0] = 0;
1327 DeleteCriticalSection(&This
->lock
);
1328 if (This
->initialized
) pjpeg_destroy_compress(&This
->cinfo
);
1329 if (This
->stream
) IStream_Release(This
->stream
);
1330 HeapFree(GetProcessHeap(), 0, This
);
1336 static HRESULT WINAPI
JpegEncoder_Initialize(IWICBitmapEncoder
*iface
,
1337 IStream
*pIStream
, WICBitmapEncoderCacheOption cacheOption
)
1339 JpegEncoder
*This
= impl_from_IWICBitmapEncoder(iface
);
1342 TRACE("(%p,%p,%u)\n", iface
, pIStream
, cacheOption
);
1344 EnterCriticalSection(&This
->lock
);
1346 if (This
->initialized
)
1348 LeaveCriticalSection(&This
->lock
);
1349 return WINCODEC_ERR_WRONGSTATE
;
1352 pjpeg_std_error(&This
->jerr
);
1354 This
->jerr
.error_exit
= error_exit_fn
;
1355 This
->jerr
.emit_message
= emit_message_fn
;
1357 This
->cinfo
.err
= &This
->jerr
;
1359 This
->cinfo
.client_data
= jmpbuf
;
1363 LeaveCriticalSection(&This
->lock
);
1367 pjpeg_CreateCompress(&This
->cinfo
, JPEG_LIB_VERSION
, sizeof(struct jpeg_compress_struct
));
1369 This
->stream
= pIStream
;
1370 IStream_AddRef(pIStream
);
1372 This
->dest_mgr
.next_output_byte
= This
->dest_buffer
;
1373 This
->dest_mgr
.free_in_buffer
= sizeof(This
->dest_buffer
);
1375 This
->dest_mgr
.init_destination
= dest_mgr_init_destination
;
1376 This
->dest_mgr
.empty_output_buffer
= dest_mgr_empty_output_buffer
;
1377 This
->dest_mgr
.term_destination
= dest_mgr_term_destination
;
1379 This
->cinfo
.dest
= &This
->dest_mgr
;
1381 This
->initialized
= TRUE
;
1383 LeaveCriticalSection(&This
->lock
);
1388 static HRESULT WINAPI
JpegEncoder_GetContainerFormat(IWICBitmapEncoder
*iface
, GUID
*format
)
1390 TRACE("(%p,%p)\n", iface
, format
);
1393 return E_INVALIDARG
;
1395 memcpy(format
, &GUID_ContainerFormatJpeg
, sizeof(*format
));
1399 static HRESULT WINAPI
JpegEncoder_GetEncoderInfo(IWICBitmapEncoder
*iface
, IWICBitmapEncoderInfo
**info
)
1401 IWICComponentInfo
*comp_info
;
1404 TRACE("%p,%p\n", iface
, info
);
1406 if (!info
) return E_INVALIDARG
;
1408 hr
= CreateComponentInfo(&CLSID_WICJpegEncoder
, &comp_info
);
1411 hr
= IWICComponentInfo_QueryInterface(comp_info
, &IID_IWICBitmapEncoderInfo
, (void **)info
);
1412 IWICComponentInfo_Release(comp_info
);
1417 static HRESULT WINAPI
JpegEncoder_SetColorContexts(IWICBitmapEncoder
*iface
,
1418 UINT cCount
, IWICColorContext
**ppIColorContext
)
1420 FIXME("(%p,%u,%p): stub\n", iface
, cCount
, ppIColorContext
);
1424 static HRESULT WINAPI
JpegEncoder_SetPalette(IWICBitmapEncoder
*iface
, IWICPalette
*pIPalette
)
1426 JpegEncoder
*This
= impl_from_IWICBitmapEncoder(iface
);
1429 TRACE("(%p,%p)\n", iface
, pIPalette
);
1431 EnterCriticalSection(&This
->lock
);
1433 hr
= This
->initialized
? WINCODEC_ERR_UNSUPPORTEDOPERATION
: WINCODEC_ERR_NOTINITIALIZED
;
1435 LeaveCriticalSection(&This
->lock
);
1440 static HRESULT WINAPI
JpegEncoder_SetThumbnail(IWICBitmapEncoder
*iface
, IWICBitmapSource
*pIThumbnail
)
1442 TRACE("(%p,%p)\n", iface
, pIThumbnail
);
1443 return WINCODEC_ERR_UNSUPPORTEDOPERATION
;
1446 static HRESULT WINAPI
JpegEncoder_SetPreview(IWICBitmapEncoder
*iface
, IWICBitmapSource
*pIPreview
)
1448 TRACE("(%p,%p)\n", iface
, pIPreview
);
1449 return WINCODEC_ERR_UNSUPPORTEDOPERATION
;
1452 static HRESULT WINAPI
JpegEncoder_CreateNewFrame(IWICBitmapEncoder
*iface
,
1453 IWICBitmapFrameEncode
**ppIFrameEncode
, IPropertyBag2
**ppIEncoderOptions
)
1455 JpegEncoder
*This
= impl_from_IWICBitmapEncoder(iface
);
1457 static const PROPBAG2 opts
[6] =
1459 { PROPBAG2_TYPE_DATA
, VT_R4
, 0, 0, (LPOLESTR
)wszImageQuality
},
1460 { PROPBAG2_TYPE_DATA
, VT_UI1
, 0, 0, (LPOLESTR
)wszBitmapTransform
},
1461 { PROPBAG2_TYPE_DATA
, VT_I4
| VT_ARRAY
, 0, 0, (LPOLESTR
)wszLuminance
},
1462 { PROPBAG2_TYPE_DATA
, VT_I4
| VT_ARRAY
, 0, 0, (LPOLESTR
)wszChrominance
},
1463 { PROPBAG2_TYPE_DATA
, VT_UI1
, 0, 0, (LPOLESTR
)wszJpegYCrCbSubsampling
},
1464 { PROPBAG2_TYPE_DATA
, VT_BOOL
, 0, 0, (LPOLESTR
)wszSuppressApp0
},
1467 TRACE("(%p,%p,%p)\n", iface
, ppIFrameEncode
, ppIEncoderOptions
);
1469 EnterCriticalSection(&This
->lock
);
1471 if (This
->frame_count
!= 0)
1473 LeaveCriticalSection(&This
->lock
);
1474 return WINCODEC_ERR_UNSUPPORTEDOPERATION
;
1477 if (!This
->initialized
)
1479 LeaveCriticalSection(&This
->lock
);
1480 return WINCODEC_ERR_NOTINITIALIZED
;
1483 if (ppIEncoderOptions
)
1485 hr
= CreatePropertyBag2(opts
, ARRAY_SIZE(opts
), ppIEncoderOptions
);
1488 LeaveCriticalSection(&This
->lock
);
1493 This
->frame_count
= 1;
1495 LeaveCriticalSection(&This
->lock
);
1497 IWICBitmapEncoder_AddRef(iface
);
1498 *ppIFrameEncode
= &This
->IWICBitmapFrameEncode_iface
;
1503 static HRESULT WINAPI
JpegEncoder_Commit(IWICBitmapEncoder
*iface
)
1505 JpegEncoder
*This
= impl_from_IWICBitmapEncoder(iface
);
1506 TRACE("(%p)\n", iface
);
1508 EnterCriticalSection(&This
->lock
);
1510 if (!This
->frame_committed
|| This
->committed
)
1512 LeaveCriticalSection(&This
->lock
);
1513 return WINCODEC_ERR_WRONGSTATE
;
1516 This
->committed
= TRUE
;
1518 LeaveCriticalSection(&This
->lock
);
1523 static HRESULT WINAPI
JpegEncoder_GetMetadataQueryWriter(IWICBitmapEncoder
*iface
,
1524 IWICMetadataQueryWriter
**ppIMetadataQueryWriter
)
1526 FIXME("(%p,%p): stub\n", iface
, ppIMetadataQueryWriter
);
1530 static const IWICBitmapEncoderVtbl JpegEncoder_Vtbl
= {
1531 JpegEncoder_QueryInterface
,
1533 JpegEncoder_Release
,
1534 JpegEncoder_Initialize
,
1535 JpegEncoder_GetContainerFormat
,
1536 JpegEncoder_GetEncoderInfo
,
1537 JpegEncoder_SetColorContexts
,
1538 JpegEncoder_SetPalette
,
1539 JpegEncoder_SetThumbnail
,
1540 JpegEncoder_SetPreview
,
1541 JpegEncoder_CreateNewFrame
,
1543 JpegEncoder_GetMetadataQueryWriter
1546 HRESULT
JpegEncoder_CreateInstance(REFIID iid
, void** ppv
)
1551 TRACE("(%s,%p)\n", debugstr_guid(iid
), ppv
);
1555 if (!libjpeg_handle
&& !load_libjpeg())
1557 ERR("Failed writing JPEG because unable to find %s\n",SONAME_LIBJPEG
);
1561 This
= HeapAlloc(GetProcessHeap(), 0, sizeof(JpegEncoder
));
1562 if (!This
) return E_OUTOFMEMORY
;
1564 This
->IWICBitmapEncoder_iface
.lpVtbl
= &JpegEncoder_Vtbl
;
1565 This
->IWICBitmapFrameEncode_iface
.lpVtbl
= &JpegEncoder_FrameVtbl
;
1567 This
->initialized
= FALSE
;
1568 This
->frame_count
= 0;
1569 This
->frame_initialized
= FALSE
;
1570 This
->started_compress
= FALSE
;
1571 This
->lines_written
= 0;
1572 This
->frame_committed
= FALSE
;
1573 This
->committed
= FALSE
;
1574 This
->width
= This
->height
= 0;
1575 This
->xres
= This
->yres
= 0.0;
1576 This
->format
= NULL
;
1577 This
->stream
= NULL
;
1579 InitializeCriticalSection(&This
->lock
);
1580 This
->lock
.DebugInfo
->Spare
[0] = (DWORD_PTR
)(__FILE__
": JpegEncoder.lock");
1582 ret
= IWICBitmapEncoder_QueryInterface(&This
->IWICBitmapEncoder_iface
, iid
, ppv
);
1583 IWICBitmapEncoder_Release(&This
->IWICBitmapEncoder_iface
);
1588 #else /* !defined(SONAME_LIBJPEG) */
1590 HRESULT
JpegDecoder_CreateInstance(REFIID iid
, void** ppv
)
1592 ERR("Trying to load JPEG picture, but JPEG support is not compiled in.\n");
1596 HRESULT
JpegEncoder_CreateInstance(REFIID iid
, void** ppv
)
1598 ERR("Trying to save JPEG picture, but JPEG support is not compiled in.\n");