diff options
Diffstat (limited to 'core/fxcodec')
| -rw-r--r-- | core/fxcodec/codec/ccodec_progressivedecoder.h | 6 | ||||
| -rw-r--r-- | core/fxcodec/codec/fx_codec_progress.cpp | 533 |
2 files changed, 279 insertions, 260 deletions
diff --git a/core/fxcodec/codec/ccodec_progressivedecoder.h b/core/fxcodec/codec/ccodec_progressivedecoder.h index de2cd3ced6..41e10e6dcf 100644 --- a/core/fxcodec/codec/ccodec_progressivedecoder.h +++ b/core/fxcodec/codec/ccodec_progressivedecoder.h @@ -195,6 +195,12 @@ class CCodec_ProgressiveDecoder : public CCodec_BmpModule::Delegate, FXCODEC_STATUS GifStartDecode(const RetainPtr<CFX_DIBitmap>& pDIBitmap); FXCODEC_STATUS BmpStartDecode(const RetainPtr<CFX_DIBitmap>& pDIBitmap); + FXCODEC_STATUS JpegContinueDecode(); + FXCODEC_STATUS PngContinueDecode(); + FXCODEC_STATUS GifContinueDecode(); + FXCODEC_STATUS BmpContinueDecode(); + FXCODEC_STATUS TifContinueDecode(); + RetainPtr<IFX_SeekableReadStream> m_pFile; RetainPtr<CFX_DIBitmap> m_pDeviceBitmap; UnownedPtr<CCodec_ModuleMgr> m_pCodecMgr; diff --git a/core/fxcodec/codec/fx_codec_progress.cpp b/core/fxcodec/codec/fx_codec_progress.cpp index 277d92c0ed..eb0ecc9d87 100644 --- a/core/fxcodec/codec/fx_codec_progress.cpp +++ b/core/fxcodec/codec/fx_codec_progress.cpp @@ -2064,291 +2064,304 @@ FXCODEC_STATUS CCodec_ProgressiveDecoder::ContinueDecode() { return FXCODEC_STATUS_ERROR; switch (m_imagType) { - case FXCODEC_IMAGE_JPG: { - CCodec_JpegModule* pJpegModule = m_pCodecMgr->GetJpegModule(); - // Setting jump marker before calling ReadScanLine, since a longjmp to - // the marker indicates a fatal error. - if (setjmp(*m_pJpegContext->GetJumpMark()) == -1) { - m_pJpegContext.reset(); - m_status = FXCODEC_STATUS_ERROR; - return FXCODEC_STATUS_ERROR; - } - - while (true) { - bool readRes = - pJpegModule->ReadScanline(m_pJpegContext.get(), m_pDecodeBuf); - while (!readRes) { - FXCODEC_STATUS error_status = FXCODEC_STATUS_DECODE_FINISH; - if (!JpegReadMoreData(pJpegModule, error_status)) { - m_pDeviceBitmap = nullptr; - m_pFile = nullptr; - m_status = error_status; - return m_status; - } - readRes = - pJpegModule->ReadScanline(m_pJpegContext.get(), m_pDecodeBuf); - } - if (m_SrcFormat == FXCodec_Rgb) { - int src_Bpp = (m_SrcFormat & 0xff) >> 3; - RGB2BGR(m_pDecodeBuf + m_clipBox.left * src_Bpp, m_clipBox.Width()); - } - if (m_SrcRow >= m_clipBox.bottom) { - m_pDeviceBitmap = nullptr; - m_pFile = nullptr; - m_status = FXCODEC_STATUS_DECODE_FINISH; - return m_status; - } - Resample(m_pDeviceBitmap, m_SrcRow, m_pDecodeBuf, m_SrcFormat); - m_SrcRow++; - } - } - case FXCODEC_IMAGE_PNG: { - CCodec_PngModule* pPngModule = m_pCodecMgr->GetPngModule(); - if (!pPngModule) { - m_status = FXCODEC_STATUS_ERR_MEMORY; - return m_status; - } - while (true) { - 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_pDeviceBitmap = nullptr; - m_pFile = nullptr; - m_status = FXCODEC_STATUS_DECODE_FINISH; - return m_status; - } - 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; - } - bool bResult = m_pFile->ReadBlock(m_pSrcBuf, m_offSet, input_size); - if (!bResult) { - m_pDeviceBitmap = nullptr; - m_pFile = nullptr; - m_status = FXCODEC_STATUS_ERR_READ; - return m_status; - } - m_offSet += input_size; - bResult = pPngModule->Input(m_pPngContext.get(), m_pSrcBuf, input_size, - nullptr); - if (!bResult) { - m_pDeviceBitmap = nullptr; - m_pFile = nullptr; - m_status = FXCODEC_STATUS_ERROR; - return m_status; - } - } - } - case FXCODEC_IMAGE_GIF: { - CCodec_GifModule* pGifModule = m_pCodecMgr->GetGifModule(); - if (!pGifModule) { - m_pDeviceBitmap = nullptr; - m_pFile = nullptr; - m_status = FXCODEC_STATUS_ERR_MEMORY; - return m_status; - } + case FXCODEC_IMAGE_JPG: + return JpegContinueDecode(); + case FXCODEC_IMAGE_PNG: + return PngContinueDecode(); + case FXCODEC_IMAGE_GIF: + return GifContinueDecode(); + case FXCODEC_IMAGE_BMP: + return BmpContinueDecode(); + case FXCODEC_IMAGE_TIF: + return TifContinueDecode(); + default: + return FXCODEC_STATUS_ERROR; + } +} - CFX_GifDecodeStatus readRes = - pGifModule->LoadFrame(m_pGifContext.get(), m_FrameCur, nullptr); - while (readRes == CFX_GifDecodeStatus::Unfinished) { - FXCODEC_STATUS error_status = FXCODEC_STATUS_DECODE_FINISH; - if (!GifReadMoreData(pGifModule, error_status)) { - m_pDeviceBitmap = nullptr; - m_pFile = nullptr; - m_status = error_status; - return m_status; - } - readRes = - pGifModule->LoadFrame(m_pGifContext.get(), m_FrameCur, nullptr); - } +FXCODEC_STATUS CCodec_ProgressiveDecoder::JpegContinueDecode() { + CCodec_JpegModule* pJpegModule = m_pCodecMgr->GetJpegModule(); + // Setting jump marker before calling ReadScanLine, since a longjmp to + // the marker indicates a fatal error. + if (setjmp(*m_pJpegContext->GetJumpMark()) == -1) { + m_pJpegContext.reset(); + m_status = FXCODEC_STATUS_ERROR; + return FXCODEC_STATUS_ERROR; + } - if (readRes == CFX_GifDecodeStatus::Success) { + while (true) { + bool readRes = + pJpegModule->ReadScanline(m_pJpegContext.get(), m_pDecodeBuf); + while (!readRes) { + FXCODEC_STATUS error_status = FXCODEC_STATUS_DECODE_FINISH; + if (!JpegReadMoreData(pJpegModule, error_status)) { m_pDeviceBitmap = nullptr; m_pFile = nullptr; - m_status = FXCODEC_STATUS_DECODE_FINISH; + m_status = error_status; return m_status; } + readRes = pJpegModule->ReadScanline(m_pJpegContext.get(), m_pDecodeBuf); + } + if (m_SrcFormat == FXCodec_Rgb) { + int src_Bpp = (m_SrcFormat & 0xff) >> 3; + RGB2BGR(m_pDecodeBuf + m_clipBox.left * src_Bpp, m_clipBox.Width()); + } + if (m_SrcRow >= m_clipBox.bottom) { + m_pDeviceBitmap = nullptr; + m_pFile = nullptr; + m_status = FXCODEC_STATUS_DECODE_FINISH; + return m_status; + } + Resample(m_pDeviceBitmap, m_SrcRow, m_pDecodeBuf, m_SrcFormat); + m_SrcRow++; + } +} +FXCODEC_STATUS CCodec_ProgressiveDecoder::PngContinueDecode() { + CCodec_PngModule* pPngModule = m_pCodecMgr->GetPngModule(); + if (!pPngModule) { + m_status = FXCODEC_STATUS_ERR_MEMORY; + return m_status; + } + while (true) { + 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_pDeviceBitmap = nullptr; + m_pFile = nullptr; + m_status = FXCODEC_STATUS_DECODE_FINISH; + return m_status; + } + 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; + } + bool bResult = m_pFile->ReadBlock(m_pSrcBuf, m_offSet, input_size); + if (!bResult) { + m_pDeviceBitmap = nullptr; + m_pFile = nullptr; + m_status = FXCODEC_STATUS_ERR_READ; + return m_status; + } + m_offSet += input_size; + bResult = + pPngModule->Input(m_pPngContext.get(), m_pSrcBuf, input_size, nullptr); + if (!bResult) { m_pDeviceBitmap = nullptr; m_pFile = nullptr; m_status = FXCODEC_STATUS_ERROR; return m_status; } - case FXCODEC_IMAGE_BMP: { - CCodec_BmpModule* pBmpModule = m_pCodecMgr->GetBmpModule(); - if (!pBmpModule) { - m_status = FXCODEC_STATUS_ERR_MEMORY; - return m_status; - } - while (true) { - int32_t readRes = pBmpModule->LoadImage(m_pBmpContext.get()); - while (readRes == 2) { - FXCODEC_STATUS error_status = FXCODEC_STATUS_DECODE_FINISH; - if (!BmpReadMoreData(pBmpModule, error_status)) { - m_pDeviceBitmap = nullptr; - m_pFile = nullptr; - m_status = error_status; - return m_status; - } - readRes = pBmpModule->LoadImage(m_pBmpContext.get()); - } - if (readRes == 1) { - m_pDeviceBitmap = nullptr; - m_pFile = nullptr; - m_status = FXCODEC_STATUS_DECODE_FINISH; - return m_status; - } - m_pDeviceBitmap = nullptr; - m_pFile = nullptr; - m_status = FXCODEC_STATUS_ERROR; - return m_status; - } + } +} + +FXCODEC_STATUS CCodec_ProgressiveDecoder::GifContinueDecode() { + CCodec_GifModule* pGifModule = m_pCodecMgr->GetGifModule(); + if (!pGifModule) { + m_pDeviceBitmap = nullptr; + m_pFile = nullptr; + m_status = FXCODEC_STATUS_ERR_MEMORY; + return m_status; + } + + CFX_GifDecodeStatus readRes = + pGifModule->LoadFrame(m_pGifContext.get(), m_FrameCur, nullptr); + while (readRes == CFX_GifDecodeStatus::Unfinished) { + FXCODEC_STATUS error_status = FXCODEC_STATUS_DECODE_FINISH; + if (!GifReadMoreData(pGifModule, error_status)) { + m_pDeviceBitmap = nullptr; + m_pFile = nullptr; + m_status = error_status; + return m_status; } - case FXCODEC_IMAGE_TIF: { - CCodec_TiffModule* pTiffModule = m_pCodecMgr->GetTiffModule(); - if (!pTiffModule) { - m_status = FXCODEC_STATUS_ERR_MEMORY; - return m_status; - } - bool ret = false; - if (m_pDeviceBitmap->GetBPP() == 32 && - m_pDeviceBitmap->GetWidth() == m_SrcWidth && m_SrcWidth == m_sizeX && - m_pDeviceBitmap->GetHeight() == m_SrcHeight && - m_SrcHeight == m_sizeY && m_startX == 0 && m_startY == 0 && - m_clipBox.left == 0 && m_clipBox.top == 0 && - m_clipBox.right == m_SrcWidth && m_clipBox.bottom == m_SrcHeight) { - ret = pTiffModule->Decode(m_pTiffContext.get(), m_pDeviceBitmap); - m_pDeviceBitmap = nullptr; - m_pFile = nullptr; - if (!ret) { - m_status = FXCODEC_STATUS_ERROR; - return m_status; - } - m_status = FXCODEC_STATUS_DECODE_FINISH; - return m_status; - } + readRes = pGifModule->LoadFrame(m_pGifContext.get(), m_FrameCur, nullptr); + } - auto pDIBitmap = pdfium::MakeRetain<CFX_DIBitmap>(); - pDIBitmap->Create(m_SrcWidth, m_SrcHeight, FXDIB_Argb); - if (!pDIBitmap->GetBuffer()) { - m_pDeviceBitmap = nullptr; - m_pFile = nullptr; - m_status = FXCODEC_STATUS_ERR_MEMORY; - return m_status; - } - ret = pTiffModule->Decode(m_pTiffContext.get(), pDIBitmap); - if (!ret) { - m_pDeviceBitmap = nullptr; - m_pFile = nullptr; - m_status = FXCODEC_STATUS_ERROR; - return m_status; - } - RetainPtr<CFX_DIBitmap> pClipBitmap = - (m_clipBox.left == 0 && m_clipBox.top == 0 && - m_clipBox.right == m_SrcWidth && m_clipBox.bottom == m_SrcHeight) - ? pDIBitmap - : pDIBitmap->Clone(&m_clipBox); - if (!pClipBitmap) { - m_pDeviceBitmap = nullptr; - m_pFile = nullptr; - m_status = FXCODEC_STATUS_ERR_MEMORY; - return m_status; - } - RetainPtr<CFX_DIBitmap> pFormatBitmap; - switch (m_pDeviceBitmap->GetFormat()) { - case FXDIB_8bppRgb: - pFormatBitmap = pdfium::MakeRetain<CFX_DIBitmap>(); - pFormatBitmap->Create(pClipBitmap->GetWidth(), - pClipBitmap->GetHeight(), FXDIB_8bppRgb); - break; - case FXDIB_8bppMask: - pFormatBitmap = pdfium::MakeRetain<CFX_DIBitmap>(); - pFormatBitmap->Create(pClipBitmap->GetWidth(), - pClipBitmap->GetHeight(), FXDIB_8bppMask); - break; - case FXDIB_Rgb: - pFormatBitmap = pdfium::MakeRetain<CFX_DIBitmap>(); - pFormatBitmap->Create(pClipBitmap->GetWidth(), - pClipBitmap->GetHeight(), FXDIB_Rgb); - break; - case FXDIB_Rgb32: - pFormatBitmap = pdfium::MakeRetain<CFX_DIBitmap>(); - pFormatBitmap->Create(pClipBitmap->GetWidth(), - pClipBitmap->GetHeight(), FXDIB_Rgb32); - break; - case FXDIB_Argb: - pFormatBitmap = pClipBitmap; - break; - default: - break; - } - switch (m_pDeviceBitmap->GetFormat()) { - case FXDIB_8bppRgb: - case FXDIB_8bppMask: { - for (int32_t row = 0; row < pClipBitmap->GetHeight(); row++) { - uint8_t* src_line = (uint8_t*)pClipBitmap->GetScanline(row); - uint8_t* des_line = (uint8_t*)pFormatBitmap->GetScanline(row); - for (int32_t col = 0; col < pClipBitmap->GetWidth(); col++) { - uint8_t _a = 255 - src_line[3]; - uint8_t b = (src_line[0] * src_line[3] + 0xFF * _a) / 255; - uint8_t g = (src_line[1] * src_line[3] + 0xFF * _a) / 255; - uint8_t r = (src_line[2] * src_line[3] + 0xFF * _a) / 255; - *des_line++ = FXRGB2GRAY(r, g, b); - src_line += 4; - } - } - } break; - case FXDIB_Rgb: - case FXDIB_Rgb32: { - int32_t desBpp = (m_pDeviceBitmap->GetFormat() == FXDIB_Rgb) ? 3 : 4; - for (int32_t row = 0; row < pClipBitmap->GetHeight(); row++) { - uint8_t* src_line = (uint8_t*)pClipBitmap->GetScanline(row); - uint8_t* des_line = (uint8_t*)pFormatBitmap->GetScanline(row); - for (int32_t col = 0; col < pClipBitmap->GetWidth(); col++) { - uint8_t _a = 255 - src_line[3]; - uint8_t b = (src_line[0] * src_line[3] + 0xFF * _a) / 255; - uint8_t g = (src_line[1] * src_line[3] + 0xFF * _a) / 255; - uint8_t r = (src_line[2] * src_line[3] + 0xFF * _a) / 255; - *des_line++ = b; - *des_line++ = g; - *des_line++ = r; - des_line += desBpp - 3; - src_line += 4; - } - } - } break; - default: - break; - } - if (!pFormatBitmap) { - m_pDeviceBitmap = nullptr; - m_pFile = nullptr; - m_status = FXCODEC_STATUS_ERR_MEMORY; - return m_status; - } - RetainPtr<CFX_DIBitmap> pStrechBitmap = - pFormatBitmap->StretchTo(m_sizeX, m_sizeY, FXDIB_INTERPOL, nullptr); - pFormatBitmap = nullptr; - if (!pStrechBitmap) { + if (readRes == CFX_GifDecodeStatus::Success) { + m_pDeviceBitmap = nullptr; + m_pFile = nullptr; + m_status = FXCODEC_STATUS_DECODE_FINISH; + return m_status; + } + + m_pDeviceBitmap = nullptr; + m_pFile = nullptr; + m_status = FXCODEC_STATUS_ERROR; + return m_status; +} + +FXCODEC_STATUS CCodec_ProgressiveDecoder::BmpContinueDecode() { + CCodec_BmpModule* pBmpModule = m_pCodecMgr->GetBmpModule(); + if (!pBmpModule) { + m_status = FXCODEC_STATUS_ERR_MEMORY; + return m_status; + } + while (true) { + int32_t readRes = pBmpModule->LoadImage(m_pBmpContext.get()); + while (readRes == 2) { + FXCODEC_STATUS error_status = FXCODEC_STATUS_DECODE_FINISH; + if (!BmpReadMoreData(pBmpModule, error_status)) { m_pDeviceBitmap = nullptr; m_pFile = nullptr; - m_status = FXCODEC_STATUS_ERR_MEMORY; + m_status = error_status; return m_status; } - m_pDeviceBitmap->TransferBitmap(m_startX, m_startY, m_sizeX, m_sizeY, - pStrechBitmap, 0, 0); + readRes = pBmpModule->LoadImage(m_pBmpContext.get()); + } + if (readRes == 1) { m_pDeviceBitmap = nullptr; m_pFile = nullptr; m_status = FXCODEC_STATUS_DECODE_FINISH; return m_status; } + m_pDeviceBitmap = nullptr; + m_pFile = nullptr; + m_status = FXCODEC_STATUS_ERROR; + return m_status; + } +} + +FXCODEC_STATUS CCodec_ProgressiveDecoder::TifContinueDecode() { + CCodec_TiffModule* pTiffModule = m_pCodecMgr->GetTiffModule(); + if (!pTiffModule) { + m_status = FXCODEC_STATUS_ERR_MEMORY; + return m_status; + } + bool ret = false; + if (m_pDeviceBitmap->GetBPP() == 32 && + m_pDeviceBitmap->GetWidth() == m_SrcWidth && m_SrcWidth == m_sizeX && + m_pDeviceBitmap->GetHeight() == m_SrcHeight && m_SrcHeight == m_sizeY && + m_startX == 0 && m_startY == 0 && m_clipBox.left == 0 && + m_clipBox.top == 0 && m_clipBox.right == m_SrcWidth && + m_clipBox.bottom == m_SrcHeight) { + ret = pTiffModule->Decode(m_pTiffContext.get(), m_pDeviceBitmap); + m_pDeviceBitmap = nullptr; + m_pFile = nullptr; + if (!ret) { + m_status = FXCODEC_STATUS_ERROR; + return m_status; + } + m_status = FXCODEC_STATUS_DECODE_FINISH; + return m_status; + } + + auto pDIBitmap = pdfium::MakeRetain<CFX_DIBitmap>(); + pDIBitmap->Create(m_SrcWidth, m_SrcHeight, FXDIB_Argb); + if (!pDIBitmap->GetBuffer()) { + m_pDeviceBitmap = nullptr; + m_pFile = nullptr; + m_status = FXCODEC_STATUS_ERR_MEMORY; + return m_status; + } + ret = pTiffModule->Decode(m_pTiffContext.get(), pDIBitmap); + if (!ret) { + m_pDeviceBitmap = nullptr; + m_pFile = nullptr; + m_status = FXCODEC_STATUS_ERROR; + return m_status; + } + RetainPtr<CFX_DIBitmap> pClipBitmap = + (m_clipBox.left == 0 && m_clipBox.top == 0 && + m_clipBox.right == m_SrcWidth && m_clipBox.bottom == m_SrcHeight) + ? pDIBitmap + : pDIBitmap->Clone(&m_clipBox); + if (!pClipBitmap) { + m_pDeviceBitmap = nullptr; + m_pFile = nullptr; + m_status = FXCODEC_STATUS_ERR_MEMORY; + return m_status; + } + RetainPtr<CFX_DIBitmap> pFormatBitmap; + switch (m_pDeviceBitmap->GetFormat()) { + case FXDIB_8bppRgb: + pFormatBitmap = pdfium::MakeRetain<CFX_DIBitmap>(); + pFormatBitmap->Create(pClipBitmap->GetWidth(), pClipBitmap->GetHeight(), + FXDIB_8bppRgb); + break; + case FXDIB_8bppMask: + pFormatBitmap = pdfium::MakeRetain<CFX_DIBitmap>(); + pFormatBitmap->Create(pClipBitmap->GetWidth(), pClipBitmap->GetHeight(), + FXDIB_8bppMask); + break; + case FXDIB_Rgb: + pFormatBitmap = pdfium::MakeRetain<CFX_DIBitmap>(); + pFormatBitmap->Create(pClipBitmap->GetWidth(), pClipBitmap->GetHeight(), + FXDIB_Rgb); + break; + case FXDIB_Rgb32: + pFormatBitmap = pdfium::MakeRetain<CFX_DIBitmap>(); + pFormatBitmap->Create(pClipBitmap->GetWidth(), pClipBitmap->GetHeight(), + FXDIB_Rgb32); + break; + case FXDIB_Argb: + pFormatBitmap = pClipBitmap; + break; default: - return FXCODEC_STATUS_ERROR; + break; } + switch (m_pDeviceBitmap->GetFormat()) { + case FXDIB_8bppRgb: + case FXDIB_8bppMask: { + for (int32_t row = 0; row < pClipBitmap->GetHeight(); row++) { + uint8_t* src_line = (uint8_t*)pClipBitmap->GetScanline(row); + uint8_t* des_line = (uint8_t*)pFormatBitmap->GetScanline(row); + for (int32_t col = 0; col < pClipBitmap->GetWidth(); col++) { + uint8_t _a = 255 - src_line[3]; + uint8_t b = (src_line[0] * src_line[3] + 0xFF * _a) / 255; + uint8_t g = (src_line[1] * src_line[3] + 0xFF * _a) / 255; + uint8_t r = (src_line[2] * src_line[3] + 0xFF * _a) / 255; + *des_line++ = FXRGB2GRAY(r, g, b); + src_line += 4; + } + } + } break; + case FXDIB_Rgb: + case FXDIB_Rgb32: { + int32_t desBpp = (m_pDeviceBitmap->GetFormat() == FXDIB_Rgb) ? 3 : 4; + for (int32_t row = 0; row < pClipBitmap->GetHeight(); row++) { + uint8_t* src_line = (uint8_t*)pClipBitmap->GetScanline(row); + uint8_t* des_line = (uint8_t*)pFormatBitmap->GetScanline(row); + for (int32_t col = 0; col < pClipBitmap->GetWidth(); col++) { + uint8_t _a = 255 - src_line[3]; + uint8_t b = (src_line[0] * src_line[3] + 0xFF * _a) / 255; + uint8_t g = (src_line[1] * src_line[3] + 0xFF * _a) / 255; + uint8_t r = (src_line[2] * src_line[3] + 0xFF * _a) / 255; + *des_line++ = b; + *des_line++ = g; + *des_line++ = r; + des_line += desBpp - 3; + src_line += 4; + } + } + } break; + default: + break; + } + if (!pFormatBitmap) { + m_pDeviceBitmap = nullptr; + m_pFile = nullptr; + m_status = FXCODEC_STATUS_ERR_MEMORY; + return m_status; + } + RetainPtr<CFX_DIBitmap> pStrechBitmap = + pFormatBitmap->StretchTo(m_sizeX, m_sizeY, FXDIB_INTERPOL, nullptr); + pFormatBitmap = nullptr; + if (!pStrechBitmap) { + m_pDeviceBitmap = nullptr; + m_pFile = nullptr; + m_status = FXCODEC_STATUS_ERR_MEMORY; + return m_status; + } + m_pDeviceBitmap->TransferBitmap(m_startX, m_startY, m_sizeX, m_sizeY, + pStrechBitmap, 0, 0); + m_pDeviceBitmap = nullptr; + m_pFile = nullptr; + m_status = FXCODEC_STATUS_DECODE_FINISH; + return m_status; } std::unique_ptr<CCodec_ProgressiveDecoder> |