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-rw-r--r--core/fxcodec/codec/ccodec_progressivedecoder.h17
-rw-r--r--core/fxcodec/codec/fx_codec_progress.cpp489
2 files changed, 269 insertions, 237 deletions
diff --git a/core/fxcodec/codec/ccodec_progressivedecoder.h b/core/fxcodec/codec/ccodec_progressivedecoder.h
index 7c780ff027..83ccce2f6c 100644
--- a/core/fxcodec/codec/ccodec_progressivedecoder.h
+++ b/core/fxcodec/codec/ccodec_progressivedecoder.h
@@ -155,17 +155,23 @@ class CCodec_ProgressiveDecoder : public CCodec_BmpModule::Delegate,
FXCODEC_STATUS& err_status);
bool GifReadMoreData(CCodec_GifModule* pGifModule,
FXCODEC_STATUS& err_status);
- void GifDoubleLineResampleVert(const RetainPtr<CFX_DIBitmap>& pDeviceBitmap,
- double scale_y,
- int des_row);
+ bool JpegReadMoreData(CCodec_JpegModule* pJpegModule,
+ FXCODEC_STATUS& err_status);
void PngOneOneMapResampleHorz(const RetainPtr<CFX_DIBitmap>& pDeviceBitmap,
int32_t des_line,
uint8_t* src_scan,
FXCodec_Format src_format);
bool DetectImageType(FXCODEC_IMAGE_TYPE imageType,
CFX_DIBAttribute* pAttribute);
+ bool BmpDetectImageType(CFX_DIBAttribute* pAttribute, uint32_t size);
+ bool JpegDetectImageType(CFX_DIBAttribute* pAttribute, uint32_t size);
+ bool PngDetectImageType(CFX_DIBAttribute* pAttribute, uint32_t size);
+ bool GifDetectImageType(CFX_DIBAttribute* pAttribute, uint32_t size);
+ bool TifDetectImageType(CFX_DIBAttribute* pAttribute, uint32_t size);
+
void GetDownScale(int& down_scale);
void GetTransMethod(FXDIB_Format des_format, FXCodec_Format src_format);
+
void ReSampleScanline(const RetainPtr<CFX_DIBitmap>& pDeviceBitmap,
int32_t des_line,
uint8_t* src_scan,
@@ -177,11 +183,12 @@ class CCodec_ProgressiveDecoder : public CCodec_BmpModule::Delegate,
void ResampleVert(const RetainPtr<CFX_DIBitmap>& pDeviceBitmap,
double scale_y,
int des_row);
- bool JpegReadMoreData(CCodec_JpegModule* pJpegModule,
- FXCODEC_STATUS& err_status);
void ResampleVertBT(const RetainPtr<CFX_DIBitmap>& pDeviceBitmap,
double scale_y,
int des_row);
+ void GifDoubleLineResampleVert(const RetainPtr<CFX_DIBitmap>& pDeviceBitmap,
+ double scale_y,
+ int des_row);
RetainPtr<IFX_SeekableReadStream> m_pFile;
RetainPtr<CFX_DIBitmap> m_pDeviceBitmap;
diff --git a/core/fxcodec/codec/fx_codec_progress.cpp b/core/fxcodec/codec/fx_codec_progress.cpp
index 36e22e9f85..1b8da15b68 100644
--- a/core/fxcodec/codec/fx_codec_progress.cpp
+++ b/core/fxcodec/codec/fx_codec_progress.cpp
@@ -1002,256 +1002,281 @@ bool CCodec_ProgressiveDecoder::DetectImageType(FXCODEC_IMAGE_TYPE imageType,
memset(m_pSrcBuf, 0, size);
m_SrcSize = size;
switch (imageType) {
- case FXCODEC_IMAGE_BMP: {
- CCodec_BmpModule* pBmpModule = m_pCodecMgr->GetBmpModule();
- if (!pBmpModule) {
- m_status = FXCODEC_STATUS_ERR_MEMORY;
- return false;
- }
+ case FXCODEC_IMAGE_BMP:
+ return BmpDetectImageType(pAttribute, size);
+ case FXCODEC_IMAGE_JPG:
+ return JpegDetectImageType(pAttribute, size);
+ case FXCODEC_IMAGE_PNG:
+ return PngDetectImageType(pAttribute, size);
+ case FXCODEC_IMAGE_GIF:
+ return GifDetectImageType(pAttribute, size);
+ case FXCODEC_IMAGE_TIF:
+ return TifDetectImageType(pAttribute, size);
+ default:
+ m_status = FXCODEC_STATUS_ERR_FORMAT;
+ return false;
+ }
+}
- m_pBmpContext = pBmpModule->Start(this);
- if (!m_pBmpContext) {
- m_status = FXCODEC_STATUS_ERR_MEMORY;
- return false;
- }
+bool CCodec_ProgressiveDecoder::BmpDetectImageType(CFX_DIBAttribute* pAttribute,
+ uint32_t size) {
+ CCodec_BmpModule* pBmpModule = m_pCodecMgr->GetBmpModule();
+ if (!pBmpModule) {
+ m_status = FXCODEC_STATUS_ERR_MEMORY;
+ return false;
+ }
- if (!m_pFile->ReadBlock(m_pSrcBuf, 0, size)) {
- m_status = FXCODEC_STATUS_ERR_READ;
- return false;
- }
+ m_pBmpContext = pBmpModule->Start(this);
+ if (!m_pBmpContext) {
+ m_status = FXCODEC_STATUS_ERR_MEMORY;
+ return false;
+ }
- m_offSet += size;
- pBmpModule->Input(m_pBmpContext.get(), m_pSrcBuf, size);
- std::vector<uint32_t> palette;
- int32_t readResult = pBmpModule->ReadHeader(
- m_pBmpContext.get(), &m_SrcWidth, &m_SrcHeight, &m_BmpIsTopBottom,
- &m_SrcComponents, &m_SrcPaletteNumber, &palette, pAttribute);
- while (readResult == 2) {
- FXCODEC_STATUS error_status = FXCODEC_STATUS_ERR_FORMAT;
- if (!BmpReadMoreData(pBmpModule, error_status)) {
- m_status = error_status;
- return false;
- }
- readResult = pBmpModule->ReadHeader(
- m_pBmpContext.get(), &m_SrcWidth, &m_SrcHeight, &m_BmpIsTopBottom,
- &m_SrcComponents, &m_SrcPaletteNumber, &palette, pAttribute);
- }
+ if (!m_pFile->ReadBlock(m_pSrcBuf, 0, size)) {
+ m_status = FXCODEC_STATUS_ERR_READ;
+ return false;
+ }
- if (readResult != 1) {
- m_pBmpContext.reset();
- m_status = FXCODEC_STATUS_ERR_FORMAT;
- return false;
- }
+ m_offSet += size;
+ pBmpModule->Input(m_pBmpContext.get(), m_pSrcBuf, size);
+ std::vector<uint32_t> palette;
+ int32_t readResult = pBmpModule->ReadHeader(
+ m_pBmpContext.get(), &m_SrcWidth, &m_SrcHeight, &m_BmpIsTopBottom,
+ &m_SrcComponents, &m_SrcPaletteNumber, &palette, pAttribute);
+ while (readResult == 2) {
+ FXCODEC_STATUS error_status = FXCODEC_STATUS_ERR_FORMAT;
+ if (!BmpReadMoreData(pBmpModule, error_status)) {
+ m_status = error_status;
+ return false;
+ }
+ readResult = pBmpModule->ReadHeader(
+ m_pBmpContext.get(), &m_SrcWidth, &m_SrcHeight, &m_BmpIsTopBottom,
+ &m_SrcComponents, &m_SrcPaletteNumber, &palette, pAttribute);
+ }
- FXDIB_Format format = FXDIB_Invalid;
- switch (m_SrcComponents) {
- case 1:
- m_SrcFormat = FXCodec_8bppRgb;
- format = FXDIB_8bppRgb;
- break;
- case 3:
- m_SrcFormat = FXCodec_Rgb;
- format = FXDIB_Rgb;
- break;
- case 4:
- m_SrcFormat = FXCodec_Rgb32;
- format = FXDIB_Rgb32;
- break;
- default:
- m_pBmpContext.reset();
- m_status = FXCODEC_STATUS_ERR_FORMAT;
- return false;
- break;
- }
+ if (readResult != 1) {
+ m_pBmpContext.reset();
+ m_status = FXCODEC_STATUS_ERR_FORMAT;
+ return false;
+ }
- uint32_t pitch = 0;
- uint32_t neededData = 0;
- if (!CFX_DIBitmap::CalculatePitchAndSize(m_SrcWidth, m_SrcHeight, format,
- &pitch, &neededData)) {
- m_pBmpContext.reset();
- m_status = FXCODEC_STATUS_ERR_FORMAT;
- return false;
- }
+ FXDIB_Format format = FXDIB_Invalid;
+ switch (m_SrcComponents) {
+ case 1:
+ m_SrcFormat = FXCodec_8bppRgb;
+ format = FXDIB_8bppRgb;
+ break;
+ case 3:
+ m_SrcFormat = FXCodec_Rgb;
+ format = FXDIB_Rgb;
+ break;
+ case 4:
+ m_SrcFormat = FXCodec_Rgb32;
+ format = FXDIB_Rgb32;
+ break;
+ default:
+ m_pBmpContext.reset();
+ m_status = FXCODEC_STATUS_ERR_FORMAT;
+ return false;
+ }
- uint32_t availableData = m_SrcSize > m_offSet ? m_SrcSize - m_offSet : 0;
- if (neededData > availableData) {
- m_pBmpContext.reset();
- m_status = FXCODEC_STATUS_ERR_FORMAT;
- return false;
- }
+ uint32_t pitch = 0;
+ uint32_t neededData = 0;
+ if (!CFX_DIBitmap::CalculatePitchAndSize(m_SrcWidth, m_SrcHeight, format,
+ &pitch, &neededData)) {
+ m_pBmpContext.reset();
+ m_status = FXCODEC_STATUS_ERR_FORMAT;
+ return false;
+ }
- m_SrcBPC = 8;
- m_clipBox = FX_RECT(0, 0, m_SrcWidth, m_SrcHeight);
- FX_Free(m_pSrcPalette);
- if (m_SrcPaletteNumber) {
- m_pSrcPalette = FX_Alloc(FX_ARGB, m_SrcPaletteNumber);
- memcpy(m_pSrcPalette, palette.data(),
- m_SrcPaletteNumber * sizeof(FX_ARGB));
- } else {
- m_pSrcPalette = nullptr;
- }
- return true;
- }
- case FXCODEC_IMAGE_JPG: {
- CCodec_JpegModule* pJpegModule = m_pCodecMgr->GetJpegModule();
- m_pJpegContext = pJpegModule->Start();
- if (!m_pJpegContext) {
- m_status = FXCODEC_STATUS_ERR_MEMORY;
- return false;
- }
- if (!m_pFile->ReadBlock(m_pSrcBuf, 0, size)) {
- m_status = FXCODEC_STATUS_ERR_READ;
- return false;
- }
- m_offSet += size;
- pJpegModule->Input(m_pJpegContext.get(), m_pSrcBuf, size);
- // Setting jump marker before calling ReadHeader, since a longjmp to
- // the marker indicates a fatal error.
- if (setjmp(*m_pJpegContext->GetJumpMark()) == -1) {
- m_pJpegContext.reset();
- m_status = FXCODEC_STATUS_ERR_FORMAT;
- return false;
- }
+ uint32_t availableData = m_SrcSize > m_offSet ? m_SrcSize - m_offSet : 0;
+ if (neededData > availableData) {
+ m_pBmpContext.reset();
+ m_status = FXCODEC_STATUS_ERR_FORMAT;
+ return false;
+ }
- int32_t readResult =
- pJpegModule->ReadHeader(m_pJpegContext.get(), &m_SrcWidth,
- &m_SrcHeight, &m_SrcComponents, pAttribute);
- while (readResult == 2) {
- FXCODEC_STATUS error_status = FXCODEC_STATUS_ERR_FORMAT;
- if (!JpegReadMoreData(pJpegModule, error_status)) {
- m_status = error_status;
- return false;
- }
- readResult =
- pJpegModule->ReadHeader(m_pJpegContext.get(), &m_SrcWidth,
- &m_SrcHeight, &m_SrcComponents, pAttribute);
- }
- if (!readResult) {
- m_SrcBPC = 8;
- m_clipBox = FX_RECT(0, 0, m_SrcWidth, m_SrcHeight);
- return true;
- }
- m_pJpegContext.reset();
- m_status = FXCODEC_STATUS_ERR_FORMAT;
+ m_SrcBPC = 8;
+ m_clipBox = FX_RECT(0, 0, m_SrcWidth, m_SrcHeight);
+ FX_Free(m_pSrcPalette);
+ if (m_SrcPaletteNumber) {
+ m_pSrcPalette = FX_Alloc(FX_ARGB, m_SrcPaletteNumber);
+ memcpy(m_pSrcPalette, palette.data(), m_SrcPaletteNumber * sizeof(FX_ARGB));
+ } else {
+ m_pSrcPalette = nullptr;
+ }
+ return true;
+}
+
+bool CCodec_ProgressiveDecoder::JpegDetectImageType(
+ CFX_DIBAttribute* pAttribute,
+ uint32_t size) {
+ CCodec_JpegModule* pJpegModule = m_pCodecMgr->GetJpegModule();
+ // Setting jump marker before calling Start or ReadHeader, since a longjmp
+ // to the marker indicates a fatal error in these functions.
+ if (setjmp(*m_pJpegContext->GetJumpMark()) == -1) {
+ m_status = FXCODEC_STATUS_ERROR;
+ return false;
+ }
+
+ m_pJpegContext = pJpegModule->Start();
+ if (!m_pJpegContext) {
+ m_status = FXCODEC_STATUS_ERR_MEMORY;
+ return false;
+ }
+ if (!m_pFile->ReadBlock(m_pSrcBuf, 0, size)) {
+ m_status = FXCODEC_STATUS_ERR_READ;
+ return false;
+ }
+ m_offSet += size;
+ pJpegModule->Input(m_pJpegContext.get(), m_pSrcBuf, size);
+ // Setting jump marker before calling ReadHeader, since a longjmp to
+ // the marker indicates a fatal error.
+ if (setjmp(*m_pJpegContext->GetJumpMark()) == -1) {
+ m_pJpegContext.reset();
+ m_status = FXCODEC_STATUS_ERR_FORMAT;
+ return false;
+ }
+
+ int32_t readResult =
+ pJpegModule->ReadHeader(m_pJpegContext.get(), &m_SrcWidth, &m_SrcHeight,
+ &m_SrcComponents, pAttribute);
+ while (readResult == 2) {
+ FXCODEC_STATUS error_status = FXCODEC_STATUS_ERR_FORMAT;
+ if (!JpegReadMoreData(pJpegModule, error_status)) {
+ m_status = error_status;
return false;
}
- case FXCODEC_IMAGE_PNG: {
- CCodec_PngModule* pPngModule = m_pCodecMgr->GetPngModule();
- if (!pPngModule) {
- m_status = FXCODEC_STATUS_ERR_MEMORY;
- return false;
- }
- m_pPngContext = pPngModule->Start(this);
- if (!m_pPngContext) {
- m_status = FXCODEC_STATUS_ERR_MEMORY;
- return false;
- }
- bool bResult = m_pFile->ReadBlock(m_pSrcBuf, 0, size);
- if (!bResult) {
- m_status = FXCODEC_STATUS_ERR_READ;
- return false;
- }
- m_offSet += size;
- bResult =
- pPngModule->Input(m_pPngContext.get(), m_pSrcBuf, size, pAttribute);
- while (bResult) {
- uint32_t remain_size = (uint32_t)m_pFile->GetSize() - m_offSet;
- uint32_t input_size =
- remain_size > FXCODEC_BLOCK_SIZE ? FXCODEC_BLOCK_SIZE : remain_size;
- if (input_size == 0) {
- m_pPngContext.reset();
- m_status = FXCODEC_STATUS_ERR_FORMAT;
- return false;
- }
- if (m_pSrcBuf && input_size > m_SrcSize) {
- FX_Free(m_pSrcBuf);
- m_pSrcBuf = FX_Alloc(uint8_t, input_size);
- memset(m_pSrcBuf, 0, input_size);
- m_SrcSize = input_size;
- }
- bResult = m_pFile->ReadBlock(m_pSrcBuf, m_offSet, input_size);
- if (!bResult) {
- m_status = FXCODEC_STATUS_ERR_READ;
- return false;
- }
- m_offSet += input_size;
- bResult = pPngModule->Input(m_pPngContext.get(), m_pSrcBuf, input_size,
- pAttribute);
- }
- ASSERT(!bResult);
+ readResult =
+ pJpegModule->ReadHeader(m_pJpegContext.get(), &m_SrcWidth, &m_SrcHeight,
+ &m_SrcComponents, pAttribute);
+ }
+ if (!readResult) {
+ m_SrcBPC = 8;
+ m_clipBox = FX_RECT(0, 0, m_SrcWidth, m_SrcHeight);
+ return true;
+ }
+ m_pJpegContext.reset();
+ m_status = FXCODEC_STATUS_ERR_FORMAT;
+ return false;
+}
+
+bool CCodec_ProgressiveDecoder::PngDetectImageType(CFX_DIBAttribute* pAttribute,
+ uint32_t size) {
+ CCodec_PngModule* pPngModule = m_pCodecMgr->GetPngModule();
+ if (!pPngModule) {
+ m_status = FXCODEC_STATUS_ERR_MEMORY;
+ return false;
+ }
+ m_pPngContext = pPngModule->Start(this);
+ if (!m_pPngContext) {
+ m_status = FXCODEC_STATUS_ERR_MEMORY;
+ return false;
+ }
+ bool bResult = m_pFile->ReadBlock(m_pSrcBuf, 0, size);
+ if (!bResult) {
+ m_status = FXCODEC_STATUS_ERR_READ;
+ return false;
+ }
+ m_offSet += size;
+ bResult = pPngModule->Input(m_pPngContext.get(), m_pSrcBuf, size, pAttribute);
+ while (bResult) {
+ uint32_t remain_size = static_cast<uint32_t>(m_pFile->GetSize()) - m_offSet;
+ uint32_t input_size =
+ remain_size > FXCODEC_BLOCK_SIZE ? FXCODEC_BLOCK_SIZE : remain_size;
+ if (input_size == 0) {
m_pPngContext.reset();
- if (m_SrcPassNumber == 0) {
- m_status = FXCODEC_STATUS_ERR_FORMAT;
- return false;
- }
- return true;
- }
- case FXCODEC_IMAGE_GIF: {
- CCodec_GifModule* pGifModule = m_pCodecMgr->GetGifModule();
- if (!pGifModule) {
- m_status = FXCODEC_STATUS_ERR_MEMORY;
- return false;
- }
- m_pGifContext = pGifModule->Start(this);
- bool bResult = m_pFile->ReadBlock(m_pSrcBuf, 0, size);
- if (!bResult) {
- m_status = FXCODEC_STATUS_ERR_READ;
- return false;
- }
- m_offSet += size;
- pGifModule->Input(m_pGifContext.get(), m_pSrcBuf, size);
- m_SrcComponents = 1;
- CFX_GifDecodeStatus readResult = pGifModule->ReadHeader(
- m_pGifContext.get(), &m_SrcWidth, &m_SrcHeight, &m_GifPltNumber,
- (void**)&m_pGifPalette, &m_GifBgIndex, nullptr);
- while (readResult == CFX_GifDecodeStatus::Unfinished) {
- FXCODEC_STATUS error_status = FXCODEC_STATUS_ERR_FORMAT;
- if (!GifReadMoreData(pGifModule, error_status)) {
- m_pGifContext = nullptr;
- m_status = error_status;
- return false;
- }
- readResult = pGifModule->ReadHeader(
- m_pGifContext.get(), &m_SrcWidth, &m_SrcHeight, &m_GifPltNumber,
- (void**)&m_pGifPalette, &m_GifBgIndex, nullptr);
- }
- if (readResult == CFX_GifDecodeStatus::Success) {
- m_SrcBPC = 8;
- m_clipBox = FX_RECT(0, 0, m_SrcWidth, m_SrcHeight);
- return true;
- }
- m_pGifContext = nullptr;
m_status = FXCODEC_STATUS_ERR_FORMAT;
return false;
}
- case FXCODEC_IMAGE_TIF: {
- CCodec_TiffModule* pTiffModule = m_pCodecMgr->GetTiffModule();
- if (!pTiffModule) {
- m_status = FXCODEC_STATUS_ERR_FORMAT;
- return false;
- }
- m_pTiffContext = pTiffModule->CreateDecoder(m_pFile);
- if (!m_pTiffContext) {
- m_status = FXCODEC_STATUS_ERR_FORMAT;
- return false;
- }
- int32_t dummy_bpc;
- bool ret = pTiffModule->LoadFrameInfo(
- m_pTiffContext.get(), 0, &m_SrcWidth, &m_SrcHeight, &m_SrcComponents,
- &dummy_bpc, pAttribute);
- m_SrcComponents = 4;
- m_clipBox = FX_RECT(0, 0, m_SrcWidth, m_SrcHeight);
- if (!ret) {
- m_pTiffContext.reset();
- m_status = FXCODEC_STATUS_ERR_FORMAT;
- return false;
- }
- return true;
+ if (m_pSrcBuf && input_size > m_SrcSize) {
+ FX_Free(m_pSrcBuf);
+ m_pSrcBuf = FX_Alloc(uint8_t, input_size);
+ memset(m_pSrcBuf, 0, input_size);
+ m_SrcSize = input_size;
}
- default:
- m_status = FXCODEC_STATUS_ERR_FORMAT;
+ bResult = m_pFile->ReadBlock(m_pSrcBuf, m_offSet, input_size);
+ if (!bResult) {
+ m_status = FXCODEC_STATUS_ERR_READ;
+ return false;
+ }
+ m_offSet += input_size;
+ bResult = pPngModule->Input(m_pPngContext.get(), m_pSrcBuf, input_size,
+ pAttribute);
+ }
+ ASSERT(!bResult);
+ m_pPngContext.reset();
+ if (m_SrcPassNumber == 0) {
+ m_status = FXCODEC_STATUS_ERR_FORMAT;
+ return false;
+ }
+ return true;
+}
+
+bool CCodec_ProgressiveDecoder::GifDetectImageType(CFX_DIBAttribute* pAttribute,
+ uint32_t size) {
+ CCodec_GifModule* pGifModule = m_pCodecMgr->GetGifModule();
+ if (!pGifModule) {
+ m_status = FXCODEC_STATUS_ERR_MEMORY;
+ return false;
+ }
+ m_pGifContext = pGifModule->Start(this);
+ bool bResult = m_pFile->ReadBlock(m_pSrcBuf, 0, size);
+ if (!bResult) {
+ m_status = FXCODEC_STATUS_ERR_READ;
+ return false;
+ }
+ m_offSet += size;
+ pGifModule->Input(m_pGifContext.get(), m_pSrcBuf, size);
+ m_SrcComponents = 1;
+ CFX_GifDecodeStatus readResult = pGifModule->ReadHeader(
+ m_pGifContext.get(), &m_SrcWidth, &m_SrcHeight, &m_GifPltNumber,
+ (void**)&m_pGifPalette, &m_GifBgIndex, nullptr);
+ while (readResult == CFX_GifDecodeStatus::Unfinished) {
+ FXCODEC_STATUS error_status = FXCODEC_STATUS_ERR_FORMAT;
+ if (!GifReadMoreData(pGifModule, error_status)) {
+ m_pGifContext = nullptr;
+ m_status = error_status;
return false;
+ }
+ readResult = pGifModule->ReadHeader(
+ m_pGifContext.get(), &m_SrcWidth, &m_SrcHeight, &m_GifPltNumber,
+ (void**)&m_pGifPalette, &m_GifBgIndex, nullptr);
}
+ if (readResult == CFX_GifDecodeStatus::Success) {
+ m_SrcBPC = 8;
+ m_clipBox = FX_RECT(0, 0, m_SrcWidth, m_SrcHeight);
+ return true;
+ }
+ m_pGifContext = nullptr;
+ m_status = FXCODEC_STATUS_ERR_FORMAT;
+ return false;
+}
+
+bool CCodec_ProgressiveDecoder::TifDetectImageType(CFX_DIBAttribute* pAttribute,
+ uint32_t size) {
+ CCodec_TiffModule* pTiffModule = m_pCodecMgr->GetTiffModule();
+ if (!pTiffModule) {
+ m_status = FXCODEC_STATUS_ERR_FORMAT;
+ return false;
+ }
+ m_pTiffContext = pTiffModule->CreateDecoder(m_pFile);
+ if (!m_pTiffContext) {
+ m_status = FXCODEC_STATUS_ERR_FORMAT;
+ return false;
+ }
+ int32_t dummy_bpc;
+ bool ret = pTiffModule->LoadFrameInfo(m_pTiffContext.get(), 0, &m_SrcWidth,
+ &m_SrcHeight, &m_SrcComponents,
+ &dummy_bpc, pAttribute);
+ m_SrcComponents = 4;
+ m_clipBox = FX_RECT(0, 0, m_SrcWidth, m_SrcHeight);
+ if (!ret) {
+ m_pTiffContext.reset();
+ m_status = FXCODEC_STATUS_ERR_FORMAT;
+ return false;
+ }
+ return true;
}
FXCODEC_STATUS CCodec_ProgressiveDecoder::LoadImageInfo(