summaryrefslogtreecommitdiff
path: root/core/fxcodec/codec
diff options
context:
space:
mode:
Diffstat (limited to 'core/fxcodec/codec')
-rw-r--r--core/fxcodec/codec/ccodec_progressivedecoder.h5
-rw-r--r--core/fxcodec/codec/fx_codec_progress.cpp287
2 files changed, 156 insertions, 136 deletions
diff --git a/core/fxcodec/codec/ccodec_progressivedecoder.h b/core/fxcodec/codec/ccodec_progressivedecoder.h
index 83ccce2f6c..de2cd3ced6 100644
--- a/core/fxcodec/codec/ccodec_progressivedecoder.h
+++ b/core/fxcodec/codec/ccodec_progressivedecoder.h
@@ -190,6 +190,11 @@ class CCodec_ProgressiveDecoder : public CCodec_BmpModule::Delegate,
double scale_y,
int des_row);
+ FXCODEC_STATUS JpegStartDecode(const RetainPtr<CFX_DIBitmap>& pDIBitmap);
+ FXCODEC_STATUS PngStartDecode(const RetainPtr<CFX_DIBitmap>& pDIBitmap);
+ FXCODEC_STATUS GifStartDecode(const RetainPtr<CFX_DIBitmap>& pDIBitmap);
+ FXCODEC_STATUS BmpStartDecode(const RetainPtr<CFX_DIBitmap>& pDIBitmap);
+
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 1b8da15b68..277d92c0ed 100644
--- a/core/fxcodec/codec/fx_codec_progress.cpp
+++ b/core/fxcodec/codec/fx_codec_progress.cpp
@@ -1899,149 +1899,164 @@ FXCODEC_STATUS CCodec_ProgressiveDecoder::StartDecode(
return FXCODEC_STATUS_ERR_PARAMS;
}
switch (m_imagType) {
- case FXCODEC_IMAGE_JPG: {
- int down_scale = 1;
- GetDownScale(down_scale);
- // Setting jump marker before calling StartScanLine, 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;
- }
-
- CCodec_JpegModule* pJpegModule = m_pCodecMgr->GetJpegModule();
- bool startStatus =
- pJpegModule->StartScanline(m_pJpegContext.get(), down_scale);
- while (!startStatus) {
- FXCODEC_STATUS error_status = FXCODEC_STATUS_ERROR;
- if (!JpegReadMoreData(pJpegModule, error_status)) {
- m_pDeviceBitmap = nullptr;
- m_pFile = nullptr;
- m_status = error_status;
- return m_status;
- }
-
- startStatus =
- pJpegModule->StartScanline(m_pJpegContext.get(), down_scale);
- }
- int scanline_size = (m_SrcWidth + down_scale - 1) / down_scale;
- scanline_size = (scanline_size * m_SrcComponents + 3) / 4 * 4;
- FX_Free(m_pDecodeBuf);
- m_pDecodeBuf = FX_Alloc(uint8_t, scanline_size);
- memset(m_pDecodeBuf, 0, scanline_size);
- m_WeightHorz.Calc(m_sizeX, 0, m_sizeX, m_clipBox.Width(), 0,
- m_clipBox.Width());
- m_WeightVert.Calc(m_sizeY, m_clipBox.Height());
- switch (m_SrcComponents) {
- case 1:
- m_SrcFormat = FXCodec_8bppGray;
- break;
- case 3:
- m_SrcFormat = FXCodec_Rgb;
- break;
- case 4:
- m_SrcFormat = FXCodec_Cmyk;
- break;
- }
- GetTransMethod(pDIBitmap->GetFormat(), m_SrcFormat);
- m_status = FXCODEC_STATUS_DECODE_TOBECONTINUE;
- return m_status;
- }
- case FXCODEC_IMAGE_PNG: {
- CCodec_PngModule* pPngModule = m_pCodecMgr->GetPngModule();
- if (!pPngModule) {
- m_pDeviceBitmap = nullptr;
- m_pFile = nullptr;
- m_status = FXCODEC_STATUS_ERR_MEMORY;
- return m_status;
- }
- m_pPngContext = pPngModule->Start(this);
- if (!m_pPngContext) {
- m_pDeviceBitmap = nullptr;
- m_pFile = nullptr;
- m_status = FXCODEC_STATUS_ERR_MEMORY;
- return m_status;
- }
- m_offSet = 0;
- switch (m_pDeviceBitmap->GetFormat()) {
- case FXDIB_8bppMask:
- case FXDIB_8bppRgb:
- m_SrcComponents = 1;
- m_SrcFormat = FXCodec_8bppGray;
- break;
- case FXDIB_Rgb:
- m_SrcComponents = 3;
- m_SrcFormat = FXCodec_Rgb;
- break;
- case FXDIB_Rgb32:
- case FXDIB_Argb:
- m_SrcComponents = 4;
- m_SrcFormat = FXCodec_Argb;
- break;
- default: {
- m_pDeviceBitmap = nullptr;
- m_pFile = nullptr;
- m_status = FXCODEC_STATUS_ERR_PARAMS;
- return m_status;
- }
- }
- GetTransMethod(m_pDeviceBitmap->GetFormat(), m_SrcFormat);
- int scanline_size = (m_SrcWidth * m_SrcComponents + 3) / 4 * 4;
- FX_Free(m_pDecodeBuf);
- m_pDecodeBuf = FX_Alloc(uint8_t, scanline_size);
- memset(m_pDecodeBuf, 0, scanline_size);
- m_WeightHorzOO.Calc(m_sizeX, m_clipBox.Width());
- m_WeightVert.Calc(m_sizeY, m_clipBox.Height());
+ case FXCODEC_IMAGE_JPG:
+ return JpegStartDecode(pDIBitmap);
+ case FXCODEC_IMAGE_PNG:
+ return PngStartDecode(pDIBitmap);
+ case FXCODEC_IMAGE_GIF:
+ return GifStartDecode(pDIBitmap);
+ case FXCODEC_IMAGE_BMP:
+ return BmpStartDecode(pDIBitmap);
+ case FXCODEC_IMAGE_TIF:
m_status = FXCODEC_STATUS_DECODE_TOBECONTINUE;
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;
- }
- m_SrcFormat = FXCodec_8bppRgb;
- GetTransMethod(m_pDeviceBitmap->GetFormat(), m_SrcFormat);
- int scanline_size = (m_SrcWidth + 3) / 4 * 4;
- FX_Free(m_pDecodeBuf);
- m_pDecodeBuf = FX_Alloc(uint8_t, scanline_size);
- memset(m_pDecodeBuf, 0, scanline_size);
- m_WeightHorz.Calc(m_sizeX, 0, m_sizeX, m_clipBox.Width(), 0,
- m_clipBox.Width());
- m_WeightVert.Calc(m_sizeY, m_clipBox.Height());
- m_FrameCur = 0;
- m_status = FXCODEC_STATUS_DECODE_TOBECONTINUE;
+ default:
+ return FXCODEC_STATUS_ERROR;
+ }
+}
+
+FXCODEC_STATUS CCodec_ProgressiveDecoder::JpegStartDecode(
+ const RetainPtr<CFX_DIBitmap>& pDIBitmap) {
+ int down_scale = 1;
+ GetDownScale(down_scale);
+ // Setting jump marker before calling StartScanLine, 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;
+ }
+
+ CCodec_JpegModule* pJpegModule = m_pCodecMgr->GetJpegModule();
+ bool startStatus =
+ pJpegModule->StartScanline(m_pJpegContext.get(), down_scale);
+ while (!startStatus) {
+ FXCODEC_STATUS error_status = FXCODEC_STATUS_ERROR;
+ if (!JpegReadMoreData(pJpegModule, error_status)) {
+ m_pDeviceBitmap = nullptr;
+ m_pFile = nullptr;
+ m_status = error_status;
return m_status;
}
- case FXCODEC_IMAGE_BMP: {
- CCodec_BmpModule* pBmpModule = m_pCodecMgr->GetBmpModule();
- if (!pBmpModule) {
- m_pDeviceBitmap = nullptr;
- m_pFile = nullptr;
- m_status = FXCODEC_STATUS_ERR_MEMORY;
- return m_status;
- }
- GetTransMethod(m_pDeviceBitmap->GetFormat(), m_SrcFormat);
- m_ScanlineSize = (m_SrcWidth * m_SrcComponents + 3) / 4 * 4;
- FX_Free(m_pDecodeBuf);
- m_pDecodeBuf = FX_Alloc(uint8_t, m_ScanlineSize);
- memset(m_pDecodeBuf, 0, m_ScanlineSize);
- m_WeightHorz.Calc(m_sizeX, 0, m_sizeX, m_clipBox.Width(), 0,
- m_clipBox.Width());
- m_WeightVert.Calc(m_sizeY, m_clipBox.Height());
- m_status = FXCODEC_STATUS_DECODE_TOBECONTINUE;
+
+ startStatus = pJpegModule->StartScanline(m_pJpegContext.get(), down_scale);
+ }
+ int scanline_size = (m_SrcWidth + down_scale - 1) / down_scale;
+ scanline_size = (scanline_size * m_SrcComponents + 3) / 4 * 4;
+ FX_Free(m_pDecodeBuf);
+ m_pDecodeBuf = FX_Alloc(uint8_t, scanline_size);
+ memset(m_pDecodeBuf, 0, scanline_size);
+ m_WeightHorz.Calc(m_sizeX, 0, m_sizeX, m_clipBox.Width(), 0,
+ m_clipBox.Width());
+ m_WeightVert.Calc(m_sizeY, m_clipBox.Height());
+ switch (m_SrcComponents) {
+ case 1:
+ m_SrcFormat = FXCodec_8bppGray;
+ break;
+ case 3:
+ m_SrcFormat = FXCodec_Rgb;
+ break;
+ case 4:
+ m_SrcFormat = FXCodec_Cmyk;
+ break;
+ }
+ GetTransMethod(pDIBitmap->GetFormat(), m_SrcFormat);
+ m_status = FXCODEC_STATUS_DECODE_TOBECONTINUE;
+ return m_status;
+}
+
+FXCODEC_STATUS CCodec_ProgressiveDecoder::PngStartDecode(
+ const RetainPtr<CFX_DIBitmap>& pDIBitmap) {
+ CCodec_PngModule* pPngModule = m_pCodecMgr->GetPngModule();
+ if (!pPngModule) {
+ m_pDeviceBitmap = nullptr;
+ m_pFile = nullptr;
+ m_status = FXCODEC_STATUS_ERR_MEMORY;
+ return m_status;
+ }
+ m_pPngContext = pPngModule->Start(this);
+ if (!m_pPngContext) {
+ m_pDeviceBitmap = nullptr;
+ m_pFile = nullptr;
+ m_status = FXCODEC_STATUS_ERR_MEMORY;
+ return m_status;
+ }
+ m_offSet = 0;
+ switch (m_pDeviceBitmap->GetFormat()) {
+ case FXDIB_8bppMask:
+ case FXDIB_8bppRgb:
+ m_SrcComponents = 1;
+ m_SrcFormat = FXCodec_8bppGray;
+ break;
+ case FXDIB_Rgb:
+ m_SrcComponents = 3;
+ m_SrcFormat = FXCodec_Rgb;
+ break;
+ case FXDIB_Rgb32:
+ case FXDIB_Argb:
+ m_SrcComponents = 4;
+ m_SrcFormat = FXCodec_Argb;
+ break;
+ default: {
+ m_pDeviceBitmap = nullptr;
+ m_pFile = nullptr;
+ m_status = FXCODEC_STATUS_ERR_PARAMS;
return m_status;
}
- case FXCODEC_IMAGE_TIF:
- m_status = FXCODEC_STATUS_DECODE_TOBECONTINUE;
- return m_status;
- default:
- return FXCODEC_STATUS_ERROR;
}
+ GetTransMethod(m_pDeviceBitmap->GetFormat(), m_SrcFormat);
+ int scanline_size = (m_SrcWidth * m_SrcComponents + 3) / 4 * 4;
+ FX_Free(m_pDecodeBuf);
+ m_pDecodeBuf = FX_Alloc(uint8_t, scanline_size);
+ memset(m_pDecodeBuf, 0, scanline_size);
+ m_WeightHorzOO.Calc(m_sizeX, m_clipBox.Width());
+ m_WeightVert.Calc(m_sizeY, m_clipBox.Height());
+ m_status = FXCODEC_STATUS_DECODE_TOBECONTINUE;
+ return m_status;
+}
+
+FXCODEC_STATUS CCodec_ProgressiveDecoder::GifStartDecode(
+ const RetainPtr<CFX_DIBitmap>& pDIBitmap) {
+ CCodec_GifModule* pGifModule = m_pCodecMgr->GetGifModule();
+ if (!pGifModule) {
+ m_pDeviceBitmap = nullptr;
+ m_pFile = nullptr;
+ m_status = FXCODEC_STATUS_ERR_MEMORY;
+ return m_status;
+ }
+ m_SrcFormat = FXCodec_8bppRgb;
+ GetTransMethod(m_pDeviceBitmap->GetFormat(), m_SrcFormat);
+ int scanline_size = (m_SrcWidth + 3) / 4 * 4;
+ FX_Free(m_pDecodeBuf);
+ m_pDecodeBuf = FX_Alloc(uint8_t, scanline_size);
+ memset(m_pDecodeBuf, 0, scanline_size);
+ m_WeightHorz.Calc(m_sizeX, 0, m_sizeX, m_clipBox.Width(), 0,
+ m_clipBox.Width());
+ m_WeightVert.Calc(m_sizeY, m_clipBox.Height());
+ m_FrameCur = 0;
+ m_status = FXCODEC_STATUS_DECODE_TOBECONTINUE;
+ return m_status;
+}
+
+FXCODEC_STATUS CCodec_ProgressiveDecoder::BmpStartDecode(
+ const RetainPtr<CFX_DIBitmap>& pDIBitmap) {
+ CCodec_BmpModule* pBmpModule = m_pCodecMgr->GetBmpModule();
+ if (!pBmpModule) {
+ m_pDeviceBitmap = nullptr;
+ m_pFile = nullptr;
+ m_status = FXCODEC_STATUS_ERR_MEMORY;
+ return m_status;
+ }
+ GetTransMethod(m_pDeviceBitmap->GetFormat(), m_SrcFormat);
+ m_ScanlineSize = (m_SrcWidth * m_SrcComponents + 3) / 4 * 4;
+ FX_Free(m_pDecodeBuf);
+ m_pDecodeBuf = FX_Alloc(uint8_t, m_ScanlineSize);
+ memset(m_pDecodeBuf, 0, m_ScanlineSize);
+ m_WeightHorz.Calc(m_sizeX, 0, m_sizeX, m_clipBox.Width(), 0,
+ m_clipBox.Width());
+ m_WeightVert.Calc(m_sizeY, m_clipBox.Height());
+ m_status = FXCODEC_STATUS_DECODE_TOBECONTINUE;
+ return m_status;
}
FXCODEC_STATUS CCodec_ProgressiveDecoder::ContinueDecode() {
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-10 22:51:12 +0000