From 9d8ec5a6e37e8d1d4d4edca9040de234e2d4728f Mon Sep 17 00:00:00 2001 From: Nico Weber Date: Tue, 4 Aug 2015 13:00:21 -0700 Subject: XFA: clang-format all pdfium code. No behavior change. Generated by: find . -name '*.cpp' -o -name '*.h' | \ grep -E -v 'third_party|thirdparties|lpng_v163|tiff_v403' | \ xargs ../../buildtools/mac/clang-format -i Then manually merged https://codereview.chromium.org/1269223002/ See thread "tabs vs spaces" on pdfium@googlegroups.com for discussion. BUG=none --- .../fpdfapi/fpdf_render/fpdf_render_loadimage.cpp | 2939 ++++++++++---------- 1 file changed, 1514 insertions(+), 1425 deletions(-) (limited to 'core/src/fpdfapi/fpdf_render/fpdf_render_loadimage.cpp') diff --git a/core/src/fpdfapi/fpdf_render/fpdf_render_loadimage.cpp b/core/src/fpdfapi/fpdf_render/fpdf_render_loadimage.cpp index 7d17e78e24..e066957e62 100644 --- a/core/src/fpdfapi/fpdf_render/fpdf_render_loadimage.cpp +++ b/core/src/fpdfapi/fpdf_render/fpdf_render_loadimage.cpp @@ -16,1550 +16,1639 @@ namespace { -unsigned int _GetBits8(const uint8_t* pData, int bitpos, int nbits) -{ - unsigned int byte = pData[bitpos / 8]; - if (nbits == 8) { - return byte; - } - if (nbits == 4) { - return (bitpos % 8) ? (byte & 0x0f) : (byte >> 4); - } - if (nbits == 2) { - return (byte >> (6 - bitpos % 8)) & 0x03; - } - if (nbits == 1) { - return (byte >> (7 - bitpos % 8)) & 0x01; - } - if (nbits == 16) { - return byte * 256 + pData[bitpos / 8 + 1]; - } - return 0; +unsigned int _GetBits8(const uint8_t* pData, int bitpos, int nbits) { + unsigned int byte = pData[bitpos / 8]; + if (nbits == 8) { + return byte; + } + if (nbits == 4) { + return (bitpos % 8) ? (byte & 0x0f) : (byte >> 4); + } + if (nbits == 2) { + return (byte >> (6 - bitpos % 8)) & 0x03; + } + if (nbits == 1) { + return (byte >> (7 - bitpos % 8)) & 0x01; + } + if (nbits == 16) { + return byte * 256 + pData[bitpos / 8 + 1]; + } + return 0; } FX_SAFE_DWORD CalculatePitch8(FX_DWORD bpc, FX_DWORD components, int width, - int height) -{ - FX_SAFE_DWORD pitch = bpc; - pitch *= components; - pitch *= width; - pitch += 7; - pitch /= 8; - pitch *= height; - return pitch; + int height) { + FX_SAFE_DWORD pitch = bpc; + pitch *= components; + pitch *= width; + pitch += 7; + pitch /= 8; + pitch *= height; + return pitch; } -FX_SAFE_DWORD CalculatePitch32(int bpp, int width) -{ - FX_SAFE_DWORD pitch = bpp; - pitch *= width; - pitch += 31; - pitch /= 8; - return pitch; +FX_SAFE_DWORD CalculatePitch32(int bpp, int width) { + FX_SAFE_DWORD pitch = bpp; + pitch *= width; + pitch += 31; + pitch /= 8; + return pitch; } // Wrapper class to hold objects allocated in CPDF_DIBSource::LoadJpxBitmap(), // because nonstd::unique_ptr does not support custom deleters yet. -class JpxBitMapContext -{ - public: - explicit JpxBitMapContext(ICodec_JpxModule* jpx_module) - : jpx_module_(jpx_module), - ctx_(nullptr), - output_offsets_(nullptr) {} +class JpxBitMapContext { + public: + explicit JpxBitMapContext(ICodec_JpxModule* jpx_module) + : jpx_module_(jpx_module), ctx_(nullptr), output_offsets_(nullptr) {} - ~JpxBitMapContext() { - FX_Free(output_offsets_); - jpx_module_->DestroyDecoder(ctx_); - } + ~JpxBitMapContext() { + FX_Free(output_offsets_); + jpx_module_->DestroyDecoder(ctx_); + } - // Takes ownership of |ctx|. - void set_context(void* ctx) { - ctx_ = ctx; - } + // Takes ownership of |ctx|. + void set_context(void* ctx) { ctx_ = ctx; } - void* context() { - return ctx_; - } + void* context() { return ctx_; } - // Takes ownership of |output_offsets|. - void set_output_offsets(unsigned char* output_offsets) { - output_offsets_ = output_offsets; - } + // Takes ownership of |output_offsets|. + void set_output_offsets(unsigned char* output_offsets) { + output_offsets_ = output_offsets; + } - unsigned char* output_offsets() { - return output_offsets_; - } + unsigned char* output_offsets() { return output_offsets_; } - private: - ICodec_JpxModule* jpx_module_; // Weak pointer. - void* ctx_; // Decoder context, owned. - unsigned char* output_offsets_; // Output offsets for decoding, owned. + private: + ICodec_JpxModule* jpx_module_; // Weak pointer. + void* ctx_; // Decoder context, owned. + unsigned char* output_offsets_; // Output offsets for decoding, owned. - // Disallow evil constructors - JpxBitMapContext(const JpxBitMapContext&); - void operator=(const JpxBitMapContext&); + // Disallow evil constructors + JpxBitMapContext(const JpxBitMapContext&); + void operator=(const JpxBitMapContext&); }; } // namespace -CFX_DIBSource* CPDF_Image::LoadDIBSource(CFX_DIBSource** ppMask, FX_DWORD* pMatteColor, FX_BOOL bStdCS, FX_DWORD GroupFamily, FX_BOOL bLoadMask) const -{ - CPDF_DIBSource* pSource = new CPDF_DIBSource; - if (pSource->Load(m_pDocument, m_pStream, (CPDF_DIBSource**)ppMask, pMatteColor, NULL, NULL, bStdCS, GroupFamily, bLoadMask)) { - return pSource; - } - delete pSource; - return NULL; +CFX_DIBSource* CPDF_Image::LoadDIBSource(CFX_DIBSource** ppMask, + FX_DWORD* pMatteColor, + FX_BOOL bStdCS, + FX_DWORD GroupFamily, + FX_BOOL bLoadMask) const { + CPDF_DIBSource* pSource = new CPDF_DIBSource; + if (pSource->Load(m_pDocument, m_pStream, (CPDF_DIBSource**)ppMask, + pMatteColor, NULL, NULL, bStdCS, GroupFamily, bLoadMask)) { + return pSource; + } + delete pSource; + return NULL; } -CFX_DIBSource* CPDF_Image::DetachBitmap() -{ - CFX_DIBSource* pBitmap = m_pDIBSource; - m_pDIBSource = NULL; - return pBitmap; +CFX_DIBSource* CPDF_Image::DetachBitmap() { + CFX_DIBSource* pBitmap = m_pDIBSource; + m_pDIBSource = NULL; + return pBitmap; } -CFX_DIBSource* CPDF_Image::DetachMask() -{ - CFX_DIBSource* pBitmap = m_pMask; - m_pMask = NULL; - return pBitmap; +CFX_DIBSource* CPDF_Image::DetachMask() { + CFX_DIBSource* pBitmap = m_pMask; + m_pMask = NULL; + return pBitmap; } -FX_BOOL CPDF_Image::StartLoadDIBSource(CPDF_Dictionary* pFormResource, CPDF_Dictionary* pPageResource, FX_BOOL bStdCS, FX_DWORD GroupFamily, FX_BOOL bLoadMask) -{ - m_pDIBSource = new CPDF_DIBSource; - int ret = ((CPDF_DIBSource*)m_pDIBSource)->StartLoadDIBSource(m_pDocument, m_pStream, TRUE, pFormResource, pPageResource, bStdCS, GroupFamily, bLoadMask); - if (ret == 2) { - return TRUE; - } - if (!ret) { - delete m_pDIBSource; - m_pDIBSource = NULL; - return FALSE; - } - m_pMask = ((CPDF_DIBSource*)m_pDIBSource)->DetachMask(); - m_MatteColor = ((CPDF_DIBSource*)m_pDIBSource)->m_MatteColor; +FX_BOOL CPDF_Image::StartLoadDIBSource(CPDF_Dictionary* pFormResource, + CPDF_Dictionary* pPageResource, + FX_BOOL bStdCS, + FX_DWORD GroupFamily, + FX_BOOL bLoadMask) { + m_pDIBSource = new CPDF_DIBSource; + int ret = + ((CPDF_DIBSource*)m_pDIBSource) + ->StartLoadDIBSource(m_pDocument, m_pStream, TRUE, pFormResource, + pPageResource, bStdCS, GroupFamily, bLoadMask); + if (ret == 2) { + return TRUE; + } + if (!ret) { + delete m_pDIBSource; + m_pDIBSource = NULL; return FALSE; + } + m_pMask = ((CPDF_DIBSource*)m_pDIBSource)->DetachMask(); + m_MatteColor = ((CPDF_DIBSource*)m_pDIBSource)->m_MatteColor; + return FALSE; } -FX_BOOL CPDF_Image::Continue(IFX_Pause* pPause) -{ - int ret = ((CPDF_DIBSource*)m_pDIBSource)->ContinueLoadDIBSource(pPause); - if (ret == 2) { - return TRUE; - } - if (!ret) { - delete m_pDIBSource; - m_pDIBSource = NULL; - return FALSE; - } - m_pMask = ((CPDF_DIBSource*)m_pDIBSource)->DetachMask(); - m_MatteColor = ((CPDF_DIBSource*)m_pDIBSource)->m_MatteColor; +FX_BOOL CPDF_Image::Continue(IFX_Pause* pPause) { + int ret = ((CPDF_DIBSource*)m_pDIBSource)->ContinueLoadDIBSource(pPause); + if (ret == 2) { + return TRUE; + } + if (!ret) { + delete m_pDIBSource; + m_pDIBSource = NULL; return FALSE; + } + m_pMask = ((CPDF_DIBSource*)m_pDIBSource)->DetachMask(); + m_MatteColor = ((CPDF_DIBSource*)m_pDIBSource)->m_MatteColor; + return FALSE; } -CPDF_DIBSource::CPDF_DIBSource() -{ - m_pDocument = NULL; - m_pStreamAcc = NULL; - m_pDict = NULL; - m_bpp = 0; - m_Width = m_Height = 0; - m_pColorSpace = NULL; - m_bDefaultDecode = TRUE; - m_bImageMask = FALSE; - m_bDoBpcCheck = TRUE; - m_pPalette = NULL; - m_pCompData = NULL; - m_bColorKey = FALSE; - m_pMaskedLine = m_pLineBuf = NULL; - m_pDecoder = NULL; - m_nComponents = 0; - m_bpc = 0; - m_bLoadMask = FALSE; - m_Family = 0; - m_pMask = NULL; - m_MatteColor = 0; - m_pJbig2Context = NULL; - m_pGlobalStream = NULL; - m_bStdCS = FALSE; - m_pMaskStream = NULL; - m_Status = 0; - m_bHasMask = FALSE; +CPDF_DIBSource::CPDF_DIBSource() { + m_pDocument = NULL; + m_pStreamAcc = NULL; + m_pDict = NULL; + m_bpp = 0; + m_Width = m_Height = 0; + m_pColorSpace = NULL; + m_bDefaultDecode = TRUE; + m_bImageMask = FALSE; + m_bDoBpcCheck = TRUE; + m_pPalette = NULL; + m_pCompData = NULL; + m_bColorKey = FALSE; + m_pMaskedLine = m_pLineBuf = NULL; + m_pDecoder = NULL; + m_nComponents = 0; + m_bpc = 0; + m_bLoadMask = FALSE; + m_Family = 0; + m_pMask = NULL; + m_MatteColor = 0; + m_pJbig2Context = NULL; + m_pGlobalStream = NULL; + m_bStdCS = FALSE; + m_pMaskStream = NULL; + m_Status = 0; + m_bHasMask = FALSE; } -CPDF_DIBSource::~CPDF_DIBSource() -{ - delete m_pStreamAcc; - if (m_pMaskedLine) { - FX_Free(m_pMaskedLine); - } - if (m_pLineBuf) { - FX_Free(m_pLineBuf); - } - m_pCachedBitmap.reset(); - delete m_pDecoder; - if (m_pCompData) { - FX_Free(m_pCompData); - } - CPDF_ColorSpace* pCS = m_pColorSpace; - if (pCS && m_pDocument) { - m_pDocument->GetPageData()->ReleaseColorSpace(pCS->GetArray()); - } - if (m_pJbig2Context) { - ICodec_Jbig2Module* pJbig2Module = CPDF_ModuleMgr::Get()->GetJbig2Module(); - pJbig2Module->DestroyJbig2Context(m_pJbig2Context); - } - delete m_pGlobalStream; +CPDF_DIBSource::~CPDF_DIBSource() { + delete m_pStreamAcc; + if (m_pMaskedLine) { + FX_Free(m_pMaskedLine); + } + if (m_pLineBuf) { + FX_Free(m_pLineBuf); + } + m_pCachedBitmap.reset(); + delete m_pDecoder; + if (m_pCompData) { + FX_Free(m_pCompData); + } + CPDF_ColorSpace* pCS = m_pColorSpace; + if (pCS && m_pDocument) { + m_pDocument->GetPageData()->ReleaseColorSpace(pCS->GetArray()); + } + if (m_pJbig2Context) { + ICodec_Jbig2Module* pJbig2Module = CPDF_ModuleMgr::Get()->GetJbig2Module(); + pJbig2Module->DestroyJbig2Context(m_pJbig2Context); + } + delete m_pGlobalStream; } -CFX_DIBitmap* CPDF_DIBSource::GetBitmap() const -{ - return m_pCachedBitmap ? m_pCachedBitmap.get() : Clone(); +CFX_DIBitmap* CPDF_DIBSource::GetBitmap() const { + return m_pCachedBitmap ? m_pCachedBitmap.get() : Clone(); } -void CPDF_DIBSource::ReleaseBitmap(CFX_DIBitmap* pBitmap) const -{ - if (pBitmap && pBitmap != m_pCachedBitmap) { - delete pBitmap; - } +void CPDF_DIBSource::ReleaseBitmap(CFX_DIBitmap* pBitmap) const { + if (pBitmap && pBitmap != m_pCachedBitmap) { + delete pBitmap; + } } -FX_BOOL CPDF_DIBSource::Load(CPDF_Document* pDoc, const CPDF_Stream* pStream, CPDF_DIBSource** ppMask, - FX_DWORD* pMatteColor, CPDF_Dictionary* pFormResources, CPDF_Dictionary* pPageResources, FX_BOOL bStdCS, FX_DWORD GroupFamily, FX_BOOL bLoadMask) -{ - if (pStream == NULL) { - return FALSE; - } - m_pDocument = pDoc; - m_pDict = pStream->GetDict(); - if (m_pDict == NULL) { - return FALSE; - } - m_pStream = pStream; - m_Width = m_pDict->GetInteger(FX_BSTRC("Width")); - m_Height = m_pDict->GetInteger(FX_BSTRC("Height")); - if (m_Width <= 0 || m_Height <= 0 || m_Width > 0x01ffff || m_Height > 0x01ffff) { - return FALSE; - } - m_GroupFamily = GroupFamily; - m_bLoadMask = bLoadMask; - if (!LoadColorInfo(m_pStream->GetObjNum() != 0 ? NULL : pFormResources, pPageResources)) { - return FALSE; - } - if (m_bDoBpcCheck && (m_bpc == 0 || m_nComponents == 0)) { - return FALSE; - } - FX_SAFE_DWORD src_pitch = - CalculatePitch8(m_bpc, m_nComponents, m_Width, m_Height); - if (!src_pitch.IsValid()) { - return FALSE; - } - m_pStreamAcc = new CPDF_StreamAcc; - m_pStreamAcc->LoadAllData(pStream, FALSE, src_pitch.ValueOrDie(), TRUE); - if (m_pStreamAcc->GetSize() == 0 || m_pStreamAcc->GetData() == NULL) { - return FALSE; - } - if (!CreateDecoder()) { - return FALSE; - } - if (m_bImageMask) { - m_bpp = 1; - m_bpc = 1; - m_nComponents = 1; - m_AlphaFlag = 1; - } else if (m_bpc * m_nComponents == 1) { - m_bpp = 1; - } else if (m_bpc * m_nComponents <= 8) { - m_bpp = 8; - } else { - m_bpp = 24; - } - FX_SAFE_DWORD pitch = CalculatePitch32(m_bpp, m_Width); +FX_BOOL CPDF_DIBSource::Load(CPDF_Document* pDoc, + const CPDF_Stream* pStream, + CPDF_DIBSource** ppMask, + FX_DWORD* pMatteColor, + CPDF_Dictionary* pFormResources, + CPDF_Dictionary* pPageResources, + FX_BOOL bStdCS, + FX_DWORD GroupFamily, + FX_BOOL bLoadMask) { + if (pStream == NULL) { + return FALSE; + } + m_pDocument = pDoc; + m_pDict = pStream->GetDict(); + if (m_pDict == NULL) { + return FALSE; + } + m_pStream = pStream; + m_Width = m_pDict->GetInteger(FX_BSTRC("Width")); + m_Height = m_pDict->GetInteger(FX_BSTRC("Height")); + if (m_Width <= 0 || m_Height <= 0 || m_Width > 0x01ffff || + m_Height > 0x01ffff) { + return FALSE; + } + m_GroupFamily = GroupFamily; + m_bLoadMask = bLoadMask; + if (!LoadColorInfo(m_pStream->GetObjNum() != 0 ? NULL : pFormResources, + pPageResources)) { + return FALSE; + } + if (m_bDoBpcCheck && (m_bpc == 0 || m_nComponents == 0)) { + return FALSE; + } + FX_SAFE_DWORD src_pitch = + CalculatePitch8(m_bpc, m_nComponents, m_Width, m_Height); + if (!src_pitch.IsValid()) { + return FALSE; + } + m_pStreamAcc = new CPDF_StreamAcc; + m_pStreamAcc->LoadAllData(pStream, FALSE, src_pitch.ValueOrDie(), TRUE); + if (m_pStreamAcc->GetSize() == 0 || m_pStreamAcc->GetData() == NULL) { + return FALSE; + } + if (!CreateDecoder()) { + return FALSE; + } + if (m_bImageMask) { + m_bpp = 1; + m_bpc = 1; + m_nComponents = 1; + m_AlphaFlag = 1; + } else if (m_bpc * m_nComponents == 1) { + m_bpp = 1; + } else if (m_bpc * m_nComponents <= 8) { + m_bpp = 8; + } else { + m_bpp = 24; + } + FX_SAFE_DWORD pitch = CalculatePitch32(m_bpp, m_Width); + if (!pitch.IsValid()) { + return FALSE; + } + m_pLineBuf = FX_Alloc(uint8_t, pitch.ValueOrDie()); + if (m_pColorSpace && bStdCS) { + m_pColorSpace->EnableStdConversion(TRUE); + } + LoadPalette(); + if (m_bColorKey) { + m_bpp = 32; + m_AlphaFlag = 2; + pitch = CalculatePitch32(m_bpp, m_Width); if (!pitch.IsValid()) { - return FALSE; - } - m_pLineBuf = FX_Alloc(uint8_t, pitch.ValueOrDie()); - if (m_pColorSpace && bStdCS) { - m_pColorSpace->EnableStdConversion(TRUE); - } - LoadPalette(); - if (m_bColorKey) { - m_bpp = 32; - m_AlphaFlag = 2; - pitch = CalculatePitch32(m_bpp, m_Width); - if (!pitch.IsValid()) { - return FALSE; - } - m_pMaskedLine = FX_Alloc(uint8_t, pitch.ValueOrDie()); - } - m_Pitch = pitch.ValueOrDie(); - if (ppMask) { - *ppMask = LoadMask(*pMatteColor); - } - if (m_pColorSpace && bStdCS) { - m_pColorSpace->EnableStdConversion(FALSE); - } - return TRUE; + return FALSE; + } + m_pMaskedLine = FX_Alloc(uint8_t, pitch.ValueOrDie()); + } + m_Pitch = pitch.ValueOrDie(); + if (ppMask) { + *ppMask = LoadMask(*pMatteColor); + } + if (m_pColorSpace && bStdCS) { + m_pColorSpace->EnableStdConversion(FALSE); + } + return TRUE; } -int CPDF_DIBSource::ContinueToLoadMask() -{ - if (m_bImageMask) { - m_bpp = 1; - m_bpc = 1; - m_nComponents = 1; - m_AlphaFlag = 1; - } else if (m_bpc * m_nComponents == 1) { - m_bpp = 1; - } else if (m_bpc * m_nComponents <= 8) { - m_bpp = 8; - } else { - m_bpp = 24; - } - if (!m_bpc || !m_nComponents) { - return 0; - } - FX_SAFE_DWORD pitch = CalculatePitch32(m_bpp, m_Width); +int CPDF_DIBSource::ContinueToLoadMask() { + if (m_bImageMask) { + m_bpp = 1; + m_bpc = 1; + m_nComponents = 1; + m_AlphaFlag = 1; + } else if (m_bpc * m_nComponents == 1) { + m_bpp = 1; + } else if (m_bpc * m_nComponents <= 8) { + m_bpp = 8; + } else { + m_bpp = 24; + } + if (!m_bpc || !m_nComponents) { + return 0; + } + FX_SAFE_DWORD pitch = CalculatePitch32(m_bpp, m_Width); + if (!pitch.IsValid()) { + return 0; + } + m_pLineBuf = FX_Alloc(uint8_t, pitch.ValueOrDie()); + if (m_pColorSpace && m_bStdCS) { + m_pColorSpace->EnableStdConversion(TRUE); + } + LoadPalette(); + if (m_bColorKey) { + m_bpp = 32; + m_AlphaFlag = 2; + pitch = CalculatePitch32(m_bpp, m_Width); if (!pitch.IsValid()) { - return 0; - } - m_pLineBuf = FX_Alloc(uint8_t, pitch.ValueOrDie()); - if (m_pColorSpace && m_bStdCS) { - m_pColorSpace->EnableStdConversion(TRUE); + return 0; } - LoadPalette(); - if (m_bColorKey) { - m_bpp = 32; - m_AlphaFlag = 2; - pitch = CalculatePitch32(m_bpp, m_Width); - if (!pitch.IsValid()) { - return 0; - } - m_pMaskedLine = FX_Alloc(uint8_t, pitch.ValueOrDie()); - } - m_Pitch = pitch.ValueOrDie(); - return 1; + m_pMaskedLine = FX_Alloc(uint8_t, pitch.ValueOrDie()); + } + m_Pitch = pitch.ValueOrDie(); + return 1; } -int CPDF_DIBSource::StartLoadDIBSource(CPDF_Document* pDoc, const CPDF_Stream* pStream, FX_BOOL bHasMask, - CPDF_Dictionary* pFormResources, CPDF_Dictionary* pPageResources, - FX_BOOL bStdCS, FX_DWORD GroupFamily, FX_BOOL bLoadMask) -{ - if (pStream == NULL) { - return 0; - } - m_pDocument = pDoc; - m_pDict = pStream->GetDict(); - m_pStream = pStream; - m_bStdCS = bStdCS; - m_bHasMask = bHasMask; - m_Width = m_pDict->GetInteger(FX_BSTRC("Width")); - m_Height = m_pDict->GetInteger(FX_BSTRC("Height")); - if (m_Width <= 0 || m_Height <= 0 || m_Width > 0x01ffff || m_Height > 0x01ffff) { - return 0; - } - m_GroupFamily = GroupFamily; - m_bLoadMask = bLoadMask; - if (!LoadColorInfo(m_pStream->GetObjNum() != 0 ? NULL : pFormResources, pPageResources)) { - return 0; - } - if (m_bDoBpcCheck && (m_bpc == 0 || m_nComponents == 0)) { - return 0; - } - FX_SAFE_DWORD src_pitch = - CalculatePitch8(m_bpc, m_nComponents, m_Width, m_Height); - if (!src_pitch.IsValid()) { - return 0; - } - m_pStreamAcc = new CPDF_StreamAcc; - m_pStreamAcc->LoadAllData(pStream, FALSE, src_pitch.ValueOrDie(), TRUE); - if (m_pStreamAcc->GetSize() == 0 || m_pStreamAcc->GetData() == NULL) { - return 0; - } - int ret = CreateDecoder(); - if (ret != 1) { - if (!ret) { - return ret; - } - if (!ContinueToLoadMask()) { - return 0; - } - if (m_bHasMask) { - StratLoadMask(); - } - return ret; +int CPDF_DIBSource::StartLoadDIBSource(CPDF_Document* pDoc, + const CPDF_Stream* pStream, + FX_BOOL bHasMask, + CPDF_Dictionary* pFormResources, + CPDF_Dictionary* pPageResources, + FX_BOOL bStdCS, + FX_DWORD GroupFamily, + FX_BOOL bLoadMask) { + if (pStream == NULL) { + return 0; + } + m_pDocument = pDoc; + m_pDict = pStream->GetDict(); + m_pStream = pStream; + m_bStdCS = bStdCS; + m_bHasMask = bHasMask; + m_Width = m_pDict->GetInteger(FX_BSTRC("Width")); + m_Height = m_pDict->GetInteger(FX_BSTRC("Height")); + if (m_Width <= 0 || m_Height <= 0 || m_Width > 0x01ffff || + m_Height > 0x01ffff) { + return 0; + } + m_GroupFamily = GroupFamily; + m_bLoadMask = bLoadMask; + if (!LoadColorInfo(m_pStream->GetObjNum() != 0 ? NULL : pFormResources, + pPageResources)) { + return 0; + } + if (m_bDoBpcCheck && (m_bpc == 0 || m_nComponents == 0)) { + return 0; + } + FX_SAFE_DWORD src_pitch = + CalculatePitch8(m_bpc, m_nComponents, m_Width, m_Height); + if (!src_pitch.IsValid()) { + return 0; + } + m_pStreamAcc = new CPDF_StreamAcc; + m_pStreamAcc->LoadAllData(pStream, FALSE, src_pitch.ValueOrDie(), TRUE); + if (m_pStreamAcc->GetSize() == 0 || m_pStreamAcc->GetData() == NULL) { + return 0; + } + int ret = CreateDecoder(); + if (ret != 1) { + if (!ret) { + return ret; } if (!ContinueToLoadMask()) { - return 0; + return 0; } if (m_bHasMask) { - ret = StratLoadMask(); - } - if (ret == 2) { - return ret; - } - if (m_pColorSpace && m_bStdCS) { - m_pColorSpace->EnableStdConversion(FALSE); + StratLoadMask(); } return ret; + } + if (!ContinueToLoadMask()) { + return 0; + } + if (m_bHasMask) { + ret = StratLoadMask(); + } + if (ret == 2) { + return ret; + } + if (m_pColorSpace && m_bStdCS) { + m_pColorSpace->EnableStdConversion(FALSE); + } + return ret; } -int CPDF_DIBSource::ContinueLoadDIBSource(IFX_Pause* pPause) -{ - FXCODEC_STATUS ret; - if (m_Status == 1) { - const CFX_ByteString& decoder = m_pStreamAcc->GetImageDecoder(); - if (decoder == FX_BSTRC("JPXDecode")) { - return 0; - } - ICodec_Jbig2Module* pJbig2Module = CPDF_ModuleMgr::Get()->GetJbig2Module(); - if (m_pJbig2Context == NULL) { - m_pJbig2Context = pJbig2Module->CreateJbig2Context(); - if (m_pStreamAcc->GetImageParam()) { - CPDF_Stream* pGlobals = m_pStreamAcc->GetImageParam()->GetStream(FX_BSTRC("JBIG2Globals")); - if (pGlobals) { - m_pGlobalStream = new CPDF_StreamAcc; - m_pGlobalStream->LoadAllData(pGlobals, FALSE); - } - } - ret = pJbig2Module->StartDecode(m_pJbig2Context, m_Width, m_Height, m_pStreamAcc->GetData(), m_pStreamAcc->GetSize(), - m_pGlobalStream ? m_pGlobalStream->GetData() : NULL, m_pGlobalStream ? m_pGlobalStream->GetSize() : 0, m_pCachedBitmap->GetBuffer(), - m_pCachedBitmap->GetPitch(), pPause); - if (ret < 0) { - m_pCachedBitmap.reset(); - delete m_pGlobalStream; - m_pGlobalStream = NULL; - pJbig2Module->DestroyJbig2Context(m_pJbig2Context); - m_pJbig2Context = NULL; - return 0; - } - if (ret == FXCODEC_STATUS_DECODE_TOBECONTINUE) { - return 2; - } - int ret1 = 1; - if (m_bHasMask) { - ret1 = ContinueLoadMaskDIB(pPause); - m_Status = 2; - } - if (ret1 == 2) { - return ret1; - } - if (m_pColorSpace && m_bStdCS) { - m_pColorSpace->EnableStdConversion(FALSE); - } - return ret1; - } - FXCODEC_STATUS ret = pJbig2Module->ContinueDecode(m_pJbig2Context, pPause); - if (ret < 0) { - m_pCachedBitmap.reset(); - delete m_pGlobalStream; - m_pGlobalStream = NULL; - pJbig2Module->DestroyJbig2Context(m_pJbig2Context); - m_pJbig2Context = NULL; - return 0; - } - if (ret == FXCODEC_STATUS_DECODE_TOBECONTINUE) { - return 2; - } - int ret1 = 1; - if (m_bHasMask) { - ret1 = ContinueLoadMaskDIB(pPause); - m_Status = 2; - } - if (ret1 == 2) { - return ret1; - } - if (m_pColorSpace && m_bStdCS) { - m_pColorSpace->EnableStdConversion(FALSE); +int CPDF_DIBSource::ContinueLoadDIBSource(IFX_Pause* pPause) { + FXCODEC_STATUS ret; + if (m_Status == 1) { + const CFX_ByteString& decoder = m_pStreamAcc->GetImageDecoder(); + if (decoder == FX_BSTRC("JPXDecode")) { + return 0; + } + ICodec_Jbig2Module* pJbig2Module = CPDF_ModuleMgr::Get()->GetJbig2Module(); + if (m_pJbig2Context == NULL) { + m_pJbig2Context = pJbig2Module->CreateJbig2Context(); + if (m_pStreamAcc->GetImageParam()) { + CPDF_Stream* pGlobals = + m_pStreamAcc->GetImageParam()->GetStream(FX_BSTRC("JBIG2Globals")); + if (pGlobals) { + m_pGlobalStream = new CPDF_StreamAcc; + m_pGlobalStream->LoadAllData(pGlobals, FALSE); } + } + ret = pJbig2Module->StartDecode( + m_pJbig2Context, m_Width, m_Height, m_pStreamAcc->GetData(), + m_pStreamAcc->GetSize(), + m_pGlobalStream ? m_pGlobalStream->GetData() : NULL, + m_pGlobalStream ? m_pGlobalStream->GetSize() : 0, + m_pCachedBitmap->GetBuffer(), m_pCachedBitmap->GetPitch(), pPause); + if (ret < 0) { + m_pCachedBitmap.reset(); + delete m_pGlobalStream; + m_pGlobalStream = NULL; + pJbig2Module->DestroyJbig2Context(m_pJbig2Context); + m_pJbig2Context = NULL; + return 0; + } + if (ret == FXCODEC_STATUS_DECODE_TOBECONTINUE) { + return 2; + } + int ret1 = 1; + if (m_bHasMask) { + ret1 = ContinueLoadMaskDIB(pPause); + m_Status = 2; + } + if (ret1 == 2) { return ret1; + } + if (m_pColorSpace && m_bStdCS) { + m_pColorSpace->EnableStdConversion(FALSE); + } + return ret1; + } + FXCODEC_STATUS ret = pJbig2Module->ContinueDecode(m_pJbig2Context, pPause); + if (ret < 0) { + m_pCachedBitmap.reset(); + delete m_pGlobalStream; + m_pGlobalStream = NULL; + pJbig2Module->DestroyJbig2Context(m_pJbig2Context); + m_pJbig2Context = NULL; + return 0; + } + if (ret == FXCODEC_STATUS_DECODE_TOBECONTINUE) { + return 2; + } + int ret1 = 1; + if (m_bHasMask) { + ret1 = ContinueLoadMaskDIB(pPause); + m_Status = 2; } - if (m_Status == 2) { - return ContinueLoadMaskDIB(pPause); + if (ret1 == 2) { + return ret1; } - return 0; + if (m_pColorSpace && m_bStdCS) { + m_pColorSpace->EnableStdConversion(FALSE); + } + return ret1; + } + if (m_Status == 2) { + return ContinueLoadMaskDIB(pPause); + } + return 0; } -FX_BOOL CPDF_DIBSource::LoadColorInfo(CPDF_Dictionary* pFormResources, CPDF_Dictionary* pPageResources) -{ - m_bpc_orig = m_pDict->GetInteger(FX_BSTRC("BitsPerComponent")); - if (m_pDict->GetInteger("ImageMask")) { - m_bImageMask = TRUE; - } - if (m_bImageMask || !m_pDict->KeyExist(FX_BSTRC("ColorSpace"))) { - if (!m_bImageMask) { - CPDF_Object* pFilter = m_pDict->GetElementValue(FX_BSTRC("Filter")); - if (pFilter) { - CFX_ByteString filter; - if (pFilter->GetType() == PDFOBJ_NAME) { - filter = pFilter->GetString(); - if (filter == FX_BSTRC("JPXDecode")) { - m_bDoBpcCheck = FALSE; - return TRUE; - } - } else if (pFilter->GetType() == PDFOBJ_ARRAY) { - CPDF_Array* pArray = (CPDF_Array*)pFilter; - if (pArray->GetString(pArray->GetCount() - 1) == FX_BSTRC("JPXDecode")) { - m_bDoBpcCheck = FALSE; - return TRUE; - } - } - } - } - m_bImageMask = TRUE; - m_bpc = m_nComponents = 1; - CPDF_Array* pDecode = m_pDict->GetArray(FX_BSTRC("Decode")); - m_bDefaultDecode = pDecode == NULL || pDecode->GetInteger(0) == 0; - return TRUE; - } - CPDF_Object* pCSObj = m_pDict->GetElementValue(FX_BSTRC("ColorSpace")); - if (pCSObj == NULL) { - return FALSE; - } - CPDF_DocPageData* pDocPageData = m_pDocument->GetPageData(); - if (pFormResources) { - m_pColorSpace = pDocPageData->GetColorSpace(pCSObj, pFormResources); - } - if (m_pColorSpace == NULL) { - m_pColorSpace = pDocPageData->GetColorSpace(pCSObj, pPageResources); - } - if (m_pColorSpace == NULL) { - return FALSE; - } - m_Family = m_pColorSpace->GetFamily(); - m_nComponents = m_pColorSpace->CountComponents(); - if (m_Family == PDFCS_ICCBASED && pCSObj->GetType() == PDFOBJ_NAME) { - CFX_ByteString cs = pCSObj->GetString(); - if (cs == FX_BSTRC("DeviceGray")) { - m_nComponents = 1; - } else if (cs == FX_BSTRC("DeviceRGB")) { - m_nComponents = 3; - } else if (cs == FX_BSTRC("DeviceCMYK")) { - m_nComponents = 4; +FX_BOOL CPDF_DIBSource::LoadColorInfo(CPDF_Dictionary* pFormResources, + CPDF_Dictionary* pPageResources) { + m_bpc_orig = m_pDict->GetInteger(FX_BSTRC("BitsPerComponent")); + if (m_pDict->GetInteger("ImageMask")) { + m_bImageMask = TRUE; + } + if (m_bImageMask || !m_pDict->KeyExist(FX_BSTRC("ColorSpace"))) { + if (!m_bImageMask) { + CPDF_Object* pFilter = m_pDict->GetElementValue(FX_BSTRC("Filter")); + if (pFilter) { + CFX_ByteString filter; + if (pFilter->GetType() == PDFOBJ_NAME) { + filter = pFilter->GetString(); + if (filter == FX_BSTRC("JPXDecode")) { + m_bDoBpcCheck = FALSE; + return TRUE; + } + } else if (pFilter->GetType() == PDFOBJ_ARRAY) { + CPDF_Array* pArray = (CPDF_Array*)pFilter; + if (pArray->GetString(pArray->GetCount() - 1) == + FX_BSTRC("JPXDecode")) { + m_bDoBpcCheck = FALSE; + return TRUE; + } } + } } - ValidateDictParam(); - m_pCompData = GetDecodeAndMaskArray(m_bDefaultDecode, m_bColorKey); - if (m_pCompData == NULL) { - return FALSE; - } + m_bImageMask = TRUE; + m_bpc = m_nComponents = 1; + CPDF_Array* pDecode = m_pDict->GetArray(FX_BSTRC("Decode")); + m_bDefaultDecode = pDecode == NULL || pDecode->GetInteger(0) == 0; return TRUE; + } + CPDF_Object* pCSObj = m_pDict->GetElementValue(FX_BSTRC("ColorSpace")); + if (pCSObj == NULL) { + return FALSE; + } + CPDF_DocPageData* pDocPageData = m_pDocument->GetPageData(); + if (pFormResources) { + m_pColorSpace = pDocPageData->GetColorSpace(pCSObj, pFormResources); + } + if (m_pColorSpace == NULL) { + m_pColorSpace = pDocPageData->GetColorSpace(pCSObj, pPageResources); + } + if (m_pColorSpace == NULL) { + return FALSE; + } + m_Family = m_pColorSpace->GetFamily(); + m_nComponents = m_pColorSpace->CountComponents(); + if (m_Family == PDFCS_ICCBASED && pCSObj->GetType() == PDFOBJ_NAME) { + CFX_ByteString cs = pCSObj->GetString(); + if (cs == FX_BSTRC("DeviceGray")) { + m_nComponents = 1; + } else if (cs == FX_BSTRC("DeviceRGB")) { + m_nComponents = 3; + } else if (cs == FX_BSTRC("DeviceCMYK")) { + m_nComponents = 4; + } + } + ValidateDictParam(); + m_pCompData = GetDecodeAndMaskArray(m_bDefaultDecode, m_bColorKey); + if (m_pCompData == NULL) { + return FALSE; + } + return TRUE; } -DIB_COMP_DATA* CPDF_DIBSource::GetDecodeAndMaskArray(FX_BOOL& bDefaultDecode, FX_BOOL& bColorKey) -{ - if (m_pColorSpace == NULL) { - return NULL; - } - DIB_COMP_DATA* pCompData = FX_Alloc(DIB_COMP_DATA, m_nComponents); - int max_data = (1 << m_bpc) - 1; - CPDF_Array* pDecode = m_pDict->GetArray(FX_BSTRC("Decode")); - if (pDecode) { - for (FX_DWORD i = 0; i < m_nComponents; i ++) { - pCompData[i].m_DecodeMin = pDecode->GetNumber(i * 2); - FX_FLOAT max = pDecode->GetNumber(i * 2 + 1); - pCompData[i].m_DecodeStep = (max - pCompData[i].m_DecodeMin) / max_data; - FX_FLOAT def_value, def_min, def_max; - m_pColorSpace->GetDefaultValue(i, def_value, def_min, def_max); - if (m_Family == PDFCS_INDEXED) { - def_max = (FX_FLOAT)max_data; - } - if (def_min != pCompData[i].m_DecodeMin || def_max != max) { - bDefaultDecode = FALSE; - } - } - } else { - for (FX_DWORD i = 0; i < m_nComponents; i ++) { - FX_FLOAT def_value; - m_pColorSpace->GetDefaultValue(i, def_value, pCompData[i].m_DecodeMin, pCompData[i].m_DecodeStep); - if (m_Family == PDFCS_INDEXED) { - pCompData[i].m_DecodeStep = (FX_FLOAT)max_data; - } - pCompData[i].m_DecodeStep = (pCompData[i].m_DecodeStep - pCompData[i].m_DecodeMin) / max_data; - } - } - if (!m_pDict->KeyExist(FX_BSTRC("SMask"))) { - CPDF_Object* pMask = m_pDict->GetElementValue(FX_BSTRC("Mask")); - if (pMask == NULL) { - return pCompData; - } - if (pMask->GetType() == PDFOBJ_ARRAY) { - CPDF_Array* pArray = (CPDF_Array*)pMask; - if (pArray->GetCount() >= m_nComponents * 2) { - for (FX_DWORD i = 0; i < m_nComponents; i++) { - int min_num = pArray->GetInteger(i * 2); - int max_num = pArray->GetInteger(i * 2 + 1); - pCompData[i].m_ColorKeyMin = FX_MAX(min_num, 0); - pCompData[i].m_ColorKeyMax = FX_MIN(max_num, max_data); - } - } - bColorKey = TRUE; +DIB_COMP_DATA* CPDF_DIBSource::GetDecodeAndMaskArray(FX_BOOL& bDefaultDecode, + FX_BOOL& bColorKey) { + if (m_pColorSpace == NULL) { + return NULL; + } + DIB_COMP_DATA* pCompData = FX_Alloc(DIB_COMP_DATA, m_nComponents); + int max_data = (1 << m_bpc) - 1; + CPDF_Array* pDecode = m_pDict->GetArray(FX_BSTRC("Decode")); + if (pDecode) { + for (FX_DWORD i = 0; i < m_nComponents; i++) { + pCompData[i].m_DecodeMin = pDecode->GetNumber(i * 2); + FX_FLOAT max = pDecode->GetNumber(i * 2 + 1); + pCompData[i].m_DecodeStep = (max - pCompData[i].m_DecodeMin) / max_data; + FX_FLOAT def_value, def_min, def_max; + m_pColorSpace->GetDefaultValue(i, def_value, def_min, def_max); + if (m_Family == PDFCS_INDEXED) { + def_max = (FX_FLOAT)max_data; + } + if (def_min != pCompData[i].m_DecodeMin || def_max != max) { + bDefaultDecode = FALSE; + } + } + } else { + for (FX_DWORD i = 0; i < m_nComponents; i++) { + FX_FLOAT def_value; + m_pColorSpace->GetDefaultValue(i, def_value, pCompData[i].m_DecodeMin, + pCompData[i].m_DecodeStep); + if (m_Family == PDFCS_INDEXED) { + pCompData[i].m_DecodeStep = (FX_FLOAT)max_data; + } + pCompData[i].m_DecodeStep = + (pCompData[i].m_DecodeStep - pCompData[i].m_DecodeMin) / max_data; + } + } + if (!m_pDict->KeyExist(FX_BSTRC("SMask"))) { + CPDF_Object* pMask = m_pDict->GetElementValue(FX_BSTRC("Mask")); + if (pMask == NULL) { + return pCompData; + } + if (pMask->GetType() == PDFOBJ_ARRAY) { + CPDF_Array* pArray = (CPDF_Array*)pMask; + if (pArray->GetCount() >= m_nComponents * 2) { + for (FX_DWORD i = 0; i < m_nComponents; i++) { + int min_num = pArray->GetInteger(i * 2); + int max_num = pArray->GetInteger(i * 2 + 1); + pCompData[i].m_ColorKeyMin = FX_MAX(min_num, 0); + pCompData[i].m_ColorKeyMax = FX_MIN(max_num, max_data); } + } + bColorKey = TRUE; } - return pCompData; + } + return pCompData; } -ICodec_ScanlineDecoder* FPDFAPI_CreateFaxDecoder(const uint8_t* src_buf, FX_DWORD src_size, int width, int height, - const CPDF_Dictionary* pParams); -ICodec_ScanlineDecoder* FPDFAPI_CreateFlateDecoder(const uint8_t* src_buf, FX_DWORD src_size, int width, int height, - int nComps, int bpc, const CPDF_Dictionary* pParams); -int CPDF_DIBSource::CreateDecoder() -{ - const CFX_ByteString& decoder = m_pStreamAcc->GetImageDecoder(); - if (decoder.IsEmpty()) { - return 1; - } - if (m_bDoBpcCheck && m_bpc == 0) { - return 0; - } - const uint8_t* src_data = m_pStreamAcc->GetData(); - FX_DWORD src_size = m_pStreamAcc->GetSize(); - const CPDF_Dictionary* pParams = m_pStreamAcc->GetImageParam(); - if (decoder == FX_BSTRC("CCITTFaxDecode")) { - m_pDecoder = FPDFAPI_CreateFaxDecoder(src_data, src_size, m_Width, m_Height, pParams); - } else if (decoder == FX_BSTRC("DCTDecode")) { - m_pDecoder = CPDF_ModuleMgr::Get()->GetJpegModule()->CreateDecoder( - src_data, src_size, m_Width, m_Height, m_nComponents, - pParams ? pParams->GetInteger("ColorTransform", 1) : 1); - if (!m_pDecoder) { - FX_BOOL bTransform = FALSE; - int comps, bpc; - ICodec_JpegModule* pJpegModule = CPDF_ModuleMgr::Get()->GetJpegModule(); - if (pJpegModule->LoadInfo(src_data, src_size, m_Width, m_Height, comps, bpc, bTransform)) { - if (m_nComponents != comps) { - FX_Free(m_pCompData); - m_nComponents = comps; - if (m_Family == PDFCS_LAB && m_nComponents != 3) { - m_pCompData = NULL; - return 0; - } - m_pCompData = GetDecodeAndMaskArray(m_bDefaultDecode, m_bColorKey); - if (m_pCompData == NULL) { - return 0; - } - } - m_bpc = bpc; - m_pDecoder = CPDF_ModuleMgr::Get()->GetJpegModule()->CreateDecoder(src_data, src_size, m_Width, m_Height, - m_nComponents, bTransform); - } - } - } else if (decoder == FX_BSTRC("FlateDecode")) { - m_pDecoder = FPDFAPI_CreateFlateDecoder(src_data, src_size, m_Width, m_Height, m_nComponents, m_bpc, pParams); - } else if (decoder == FX_BSTRC("JPXDecode")) { - LoadJpxBitmap(); - return m_pCachedBitmap ? 1 : 0; - } else if (decoder == FX_BSTRC("JBIG2Decode")) { - m_pCachedBitmap.reset(new CFX_DIBitmap); - if (!m_pCachedBitmap->Create(m_Width, m_Height, m_bImageMask ? FXDIB_1bppMask : FXDIB_1bppRgb)) { - m_pCachedBitmap.reset(); +ICodec_ScanlineDecoder* FPDFAPI_CreateFaxDecoder( + const uint8_t* src_buf, + FX_DWORD src_size, + int width, + int height, + const CPDF_Dictionary* pParams); +ICodec_ScanlineDecoder* FPDFAPI_CreateFlateDecoder( + const uint8_t* src_buf, + FX_DWORD src_size, + int width, + int height, + int nComps, + int bpc, + const CPDF_Dictionary* pParams); +int CPDF_DIBSource::CreateDecoder() { + const CFX_ByteString& decoder = m_pStreamAcc->GetImageDecoder(); + if (decoder.IsEmpty()) { + return 1; + } + if (m_bDoBpcCheck && m_bpc == 0) { + return 0; + } + const uint8_t* src_data = m_pStreamAcc->GetData(); + FX_DWORD src_size = m_pStreamAcc->GetSize(); + const CPDF_Dictionary* pParams = m_pStreamAcc->GetImageParam(); + if (decoder == FX_BSTRC("CCITTFaxDecode")) { + m_pDecoder = FPDFAPI_CreateFaxDecoder(src_data, src_size, m_Width, m_Height, + pParams); + } else if (decoder == FX_BSTRC("DCTDecode")) { + m_pDecoder = CPDF_ModuleMgr::Get()->GetJpegModule()->CreateDecoder( + src_data, src_size, m_Width, m_Height, m_nComponents, + pParams ? pParams->GetInteger("ColorTransform", 1) : 1); + if (!m_pDecoder) { + FX_BOOL bTransform = FALSE; + int comps, bpc; + ICodec_JpegModule* pJpegModule = CPDF_ModuleMgr::Get()->GetJpegModule(); + if (pJpegModule->LoadInfo(src_data, src_size, m_Width, m_Height, comps, + bpc, bTransform)) { + if (m_nComponents != comps) { + FX_Free(m_pCompData); + m_nComponents = comps; + if (m_Family == PDFCS_LAB && m_nComponents != 3) { + m_pCompData = NULL; + return 0; + } + m_pCompData = GetDecodeAndMaskArray(m_bDefaultDecode, m_bColorKey); + if (m_pCompData == NULL) { return 0; + } } - m_Status = 1; - return 2; - } else if (decoder == FX_BSTRC("RunLengthDecode")) { - m_pDecoder = CPDF_ModuleMgr::Get()->GetCodecModule()->GetBasicModule()->CreateRunLengthDecoder(src_data, src_size, m_Width, m_Height, m_nComponents, m_bpc); - } - if (!m_pDecoder) - return 0; + m_bpc = bpc; + m_pDecoder = CPDF_ModuleMgr::Get()->GetJpegModule()->CreateDecoder( + src_data, src_size, m_Width, m_Height, m_nComponents, bTransform); + } + } + } else if (decoder == FX_BSTRC("FlateDecode")) { + m_pDecoder = FPDFAPI_CreateFlateDecoder( + src_data, src_size, m_Width, m_Height, m_nComponents, m_bpc, pParams); + } else if (decoder == FX_BSTRC("JPXDecode")) { + LoadJpxBitmap(); + return m_pCachedBitmap ? 1 : 0; + } else if (decoder == FX_BSTRC("JBIG2Decode")) { + m_pCachedBitmap.reset(new CFX_DIBitmap); + if (!m_pCachedBitmap->Create( + m_Width, m_Height, m_bImageMask ? FXDIB_1bppMask : FXDIB_1bppRgb)) { + m_pCachedBitmap.reset(); + return 0; + } + m_Status = 1; + return 2; + } else if (decoder == FX_BSTRC("RunLengthDecode")) { + m_pDecoder = CPDF_ModuleMgr::Get() + ->GetCodecModule() + ->GetBasicModule() + ->CreateRunLengthDecoder(src_data, src_size, m_Width, + m_Height, m_nComponents, m_bpc); + } + if (!m_pDecoder) + return 0; - FX_SAFE_DWORD requested_pitch = - CalculatePitch8(m_bpc, m_nComponents, m_Width, 1); - if (!requested_pitch.IsValid()) { - return 0; - } - FX_SAFE_DWORD provided_pitch = CalculatePitch8(m_pDecoder->GetBPC(), - m_pDecoder->CountComps(), - m_pDecoder->GetWidth(), - 1); - if (!provided_pitch.IsValid()) { - return 0; - } - if (provided_pitch.ValueOrDie() < requested_pitch.ValueOrDie()) { - return 0; - } - return 1; + FX_SAFE_DWORD requested_pitch = + CalculatePitch8(m_bpc, m_nComponents, m_Width, 1); + if (!requested_pitch.IsValid()) { + return 0; + } + FX_SAFE_DWORD provided_pitch = + CalculatePitch8(m_pDecoder->GetBPC(), m_pDecoder->CountComps(), + m_pDecoder->GetWidth(), 1); + if (!provided_pitch.IsValid()) { + return 0; + } + if (provided_pitch.ValueOrDie() < requested_pitch.ValueOrDie()) { + return 0; + } + return 1; } -void CPDF_DIBSource::LoadJpxBitmap() -{ - ICodec_JpxModule* pJpxModule = CPDF_ModuleMgr::Get()->GetJpxModule(); - if (!pJpxModule) - return; +void CPDF_DIBSource::LoadJpxBitmap() { + ICodec_JpxModule* pJpxModule = CPDF_ModuleMgr::Get()->GetJpxModule(); + if (!pJpxModule) + return; - nonstd::unique_ptr context( - new JpxBitMapContext(pJpxModule)); - context->set_context(pJpxModule->CreateDecoder(m_pStreamAcc->GetData(), - m_pStreamAcc->GetSize(), - m_pColorSpace != nullptr)); - if (!context->context()) - return; + nonstd::unique_ptr context( + new JpxBitMapContext(pJpxModule)); + context->set_context(pJpxModule->CreateDecoder(m_pStreamAcc->GetData(), + m_pStreamAcc->GetSize(), + m_pColorSpace != nullptr)); + if (!context->context()) + return; - FX_DWORD width = 0; - FX_DWORD height = 0; - FX_DWORD codestream_nComps = 0; - FX_DWORD image_nComps = 0; - pJpxModule->GetImageInfo(context->context(), width, height, - codestream_nComps, image_nComps); - if ((int)width < m_Width || (int)height < m_Height) - return; + FX_DWORD width = 0; + FX_DWORD height = 0; + FX_DWORD codestream_nComps = 0; + FX_DWORD image_nComps = 0; + pJpxModule->GetImageInfo(context->context(), width, height, codestream_nComps, + image_nComps); + if ((int)width < m_Width || (int)height < m_Height) + return; - int output_nComps; - FX_BOOL bTranslateColor; - FX_BOOL bSwapRGB = FALSE; - if (m_pColorSpace) { - if (codestream_nComps != (FX_DWORD)m_pColorSpace->CountComponents()) - return; - output_nComps = codestream_nComps; - bTranslateColor = FALSE; - if (m_pColorSpace == CPDF_ColorSpace::GetStockCS(PDFCS_DEVICERGB)) { - bSwapRGB = TRUE; - m_pColorSpace = nullptr; - } + int output_nComps; + FX_BOOL bTranslateColor; + FX_BOOL bSwapRGB = FALSE; + if (m_pColorSpace) { + if (codestream_nComps != (FX_DWORD)m_pColorSpace->CountComponents()) + return; + output_nComps = codestream_nComps; + bTranslateColor = FALSE; + if (m_pColorSpace == CPDF_ColorSpace::GetStockCS(PDFCS_DEVICERGB)) { + bSwapRGB = TRUE; + m_pColorSpace = nullptr; + } + } else { + bTranslateColor = TRUE; + if (image_nComps) { + output_nComps = image_nComps; } else { - bTranslateColor = TRUE; - if (image_nComps) { - output_nComps = image_nComps; - } else { - output_nComps = codestream_nComps; - } - if (output_nComps == 3) { - bSwapRGB = TRUE; - } else if (output_nComps == 4) { - m_pColorSpace = CPDF_ColorSpace::GetStockCS(PDFCS_DEVICECMYK); - bTranslateColor = FALSE; - } - m_nComponents = output_nComps; + output_nComps = codestream_nComps; } - FXDIB_Format format; - if (output_nComps == 1) { - format = FXDIB_8bppRgb; - } else if (output_nComps <= 3) { - format = FXDIB_Rgb; + if (output_nComps == 3) { + bSwapRGB = TRUE; } else if (output_nComps == 4) { - format = FXDIB_Rgb32; - } else { - width = (width * output_nComps + 2) / 3; - format = FXDIB_Rgb; - } - m_pCachedBitmap.reset(new CFX_DIBitmap); - if (!m_pCachedBitmap->Create(width, height, format)) { - m_pCachedBitmap.reset(); - return; - } - m_pCachedBitmap->Clear(0xFFFFFFFF); - context->set_output_offsets(FX_Alloc(uint8_t, output_nComps)); - for (int i = 0; i < output_nComps; ++i) - context->output_offsets()[i] = i; - if (bSwapRGB) { - context->output_offsets()[0] = 2; - context->output_offsets()[2] = 0; - } - if (!pJpxModule->Decode(context->context(), - m_pCachedBitmap->GetBuffer(), - m_pCachedBitmap->GetPitch(), - bTranslateColor, - context->output_offsets())) { - m_pCachedBitmap.reset(); - return; - } - if (m_pColorSpace && - m_pColorSpace->GetFamily() == PDFCS_INDEXED && - m_bpc < 8) { - int scale = 8 - m_bpc; - for (FX_DWORD row = 0; row < height; ++row) { - uint8_t* scanline = (uint8_t*)m_pCachedBitmap->GetScanline(row); - for (FX_DWORD col = 0; col < width; ++col) { - *scanline = (*scanline) >> scale; - ++scanline; - } - } - } - m_bpc = 8; + m_pColorSpace = CPDF_ColorSpace::GetStockCS(PDFCS_DEVICECMYK); + bTranslateColor = FALSE; + } + m_nComponents = output_nComps; + } + FXDIB_Format format; + if (output_nComps == 1) { + format = FXDIB_8bppRgb; + } else if (output_nComps <= 3) { + format = FXDIB_Rgb; + } else if (output_nComps == 4) { + format = FXDIB_Rgb32; + } else { + width = (width * output_nComps + 2) / 3; + format = FXDIB_Rgb; + } + m_pCachedBitmap.reset(new CFX_DIBitmap); + if (!m_pCachedBitmap->Create(width, height, format)) { + m_pCachedBitmap.reset(); + return; + } + m_pCachedBitmap->Clear(0xFFFFFFFF); + context->set_output_offsets(FX_Alloc(uint8_t, output_nComps)); + for (int i = 0; i < output_nComps; ++i) + context->output_offsets()[i] = i; + if (bSwapRGB) { + context->output_offsets()[0] = 2; + context->output_offsets()[2] = 0; + } + if (!pJpxModule->Decode(context->context(), m_pCachedBitmap->GetBuffer(), + m_pCachedBitmap->GetPitch(), bTranslateColor, + context->output_offsets())) { + m_pCachedBitmap.reset(); + return; + } + if (m_pColorSpace && m_pColorSpace->GetFamily() == PDFCS_INDEXED && + m_bpc < 8) { + int scale = 8 - m_bpc; + for (FX_DWORD row = 0; row < height; ++row) { + uint8_t* scanline = (uint8_t*)m_pCachedBitmap->GetScanline(row); + for (FX_DWORD col = 0; col < width; ++col) { + *scanline = (*scanline) >> scale; + ++scanline; + } + } + } + m_bpc = 8; } -CPDF_DIBSource* CPDF_DIBSource::LoadMask(FX_DWORD& MatteColor) -{ - MatteColor = 0xffffffff; - CPDF_Stream* pSoftMask = m_pDict->GetStream(FX_BSTRC("SMask")); - if (pSoftMask) { - CPDF_Array* pMatte = pSoftMask->GetDict()->GetArray(FX_BSTRC("Matte")); - if (pMatte != NULL && m_pColorSpace && (FX_DWORD)m_pColorSpace->CountComponents() <= m_nComponents) { - FX_FLOAT* pColor = FX_Alloc(FX_FLOAT, m_nComponents); - for (FX_DWORD i = 0; i < m_nComponents; i ++) { - pColor[i] = pMatte->GetFloat(i); - } - FX_FLOAT R, G, B; - m_pColorSpace->GetRGB(pColor, R, G, B); - FX_Free(pColor); - MatteColor = FXARGB_MAKE(0, FXSYS_round(R * 255), FXSYS_round(G * 255), FXSYS_round(B * 255)); - } - return LoadMaskDIB(pSoftMask); - } - CPDF_Object* pMask = m_pDict->GetElementValue(FX_BSTRC("Mask")); - if (pMask == NULL) { - return NULL; - } - if (pMask->GetType() == PDFOBJ_STREAM) { - return LoadMaskDIB((CPDF_Stream*)pMask); - } +CPDF_DIBSource* CPDF_DIBSource::LoadMask(FX_DWORD& MatteColor) { + MatteColor = 0xffffffff; + CPDF_Stream* pSoftMask = m_pDict->GetStream(FX_BSTRC("SMask")); + if (pSoftMask) { + CPDF_Array* pMatte = pSoftMask->GetDict()->GetArray(FX_BSTRC("Matte")); + if (pMatte != NULL && m_pColorSpace && + (FX_DWORD)m_pColorSpace->CountComponents() <= m_nComponents) { + FX_FLOAT* pColor = FX_Alloc(FX_FLOAT, m_nComponents); + for (FX_DWORD i = 0; i < m_nComponents; i++) { + pColor[i] = pMatte->GetFloat(i); + } + FX_FLOAT R, G, B; + m_pColorSpace->GetRGB(pColor, R, G, B); + FX_Free(pColor); + MatteColor = FXARGB_MAKE(0, FXSYS_round(R * 255), FXSYS_round(G * 255), + FXSYS_round(B * 255)); + } + return LoadMaskDIB(pSoftMask); + } + CPDF_Object* pMask = m_pDict->GetElementValue(FX_BSTRC("Mask")); + if (pMask == NULL) { return NULL; + } + if (pMask->GetType() == PDFOBJ_STREAM) { + return LoadMaskDIB((CPDF_Stream*)pMask); + } + return NULL; } -int CPDF_DIBSource::StratLoadMask() -{ - m_MatteColor = 0xffffffff; - m_pMaskStream = m_pDict->GetStream(FX_BSTRC("SMask")); - if (m_pMaskStream) { - CPDF_Array* pMatte = m_pMaskStream->GetDict()->GetArray(FX_BSTRC("Matte")); - if (pMatte != NULL && m_pColorSpace && (FX_DWORD)m_pColorSpace->CountComponents() <= m_nComponents) { - FX_FLOAT R, G, B; - FX_FLOAT* pColor = FX_Alloc(FX_FLOAT, m_nComponents); - for (FX_DWORD i = 0; i < m_nComponents; i ++) { - pColor[i] = pMatte->GetFloat(i); - } - m_pColorSpace->GetRGB(pColor, R, G, B); - FX_Free(pColor); - m_MatteColor = FXARGB_MAKE(0, FXSYS_round(R * 255), FXSYS_round(G * 255), FXSYS_round(B * 255)); - } - return StartLoadMaskDIB(); - } - m_pMaskStream = m_pDict->GetElementValue(FX_BSTRC("Mask")); - if (m_pMaskStream == NULL) { - return 1; - } - if (m_pMaskStream->GetType() == PDFOBJ_STREAM) { - return StartLoadMaskDIB(); - } +int CPDF_DIBSource::StratLoadMask() { + m_MatteColor = 0xffffffff; + m_pMaskStream = m_pDict->GetStream(FX_BSTRC("SMask")); + if (m_pMaskStream) { + CPDF_Array* pMatte = m_pMaskStream->GetDict()->GetArray(FX_BSTRC("Matte")); + if (pMatte != NULL && m_pColorSpace && + (FX_DWORD)m_pColorSpace->CountComponents() <= m_nComponents) { + FX_FLOAT R, G, B; + FX_FLOAT* pColor = FX_Alloc(FX_FLOAT, m_nComponents); + for (FX_DWORD i = 0; i < m_nComponents; i++) { + pColor[i] = pMatte->GetFloat(i); + } + m_pColorSpace->GetRGB(pColor, R, G, B); + FX_Free(pColor); + m_MatteColor = FXARGB_MAKE(0, FXSYS_round(R * 255), FXSYS_round(G * 255), + FXSYS_round(B * 255)); + } + return StartLoadMaskDIB(); + } + m_pMaskStream = m_pDict->GetElementValue(FX_BSTRC("Mask")); + if (m_pMaskStream == NULL) { return 1; + } + if (m_pMaskStream->GetType() == PDFOBJ_STREAM) { + return StartLoadMaskDIB(); + } + return 1; } -int CPDF_DIBSource::ContinueLoadMaskDIB(IFX_Pause* pPause) -{ - if (m_pMask == NULL) { - return 1; - } - int ret = m_pMask->ContinueLoadDIBSource(pPause); - if (ret == 2) { - return ret; - } - if (m_pColorSpace && m_bStdCS) { - m_pColorSpace->EnableStdConversion(FALSE); - } - if (!ret) { - delete m_pMask; - m_pMask = NULL; - return ret; - } +int CPDF_DIBSource::ContinueLoadMaskDIB(IFX_Pause* pPause) { + if (m_pMask == NULL) { return 1; -} -CPDF_DIBSource* CPDF_DIBSource::DetachMask() -{ - CPDF_DIBSource* pDIBSource = m_pMask; + } + int ret = m_pMask->ContinueLoadDIBSource(pPause); + if (ret == 2) { + return ret; + } + if (m_pColorSpace && m_bStdCS) { + m_pColorSpace->EnableStdConversion(FALSE); + } + if (!ret) { + delete m_pMask; m_pMask = NULL; - return pDIBSource; + return ret; + } + return 1; } -CPDF_DIBSource* CPDF_DIBSource::LoadMaskDIB(CPDF_Stream* pMask) -{ - CPDF_DIBSource* pMaskSource = new CPDF_DIBSource; - if (!pMaskSource->Load(m_pDocument, pMask, NULL, NULL, NULL, NULL, TRUE)) { - delete pMaskSource; - return NULL; - } - return pMaskSource; +CPDF_DIBSource* CPDF_DIBSource::DetachMask() { + CPDF_DIBSource* pDIBSource = m_pMask; + m_pMask = NULL; + return pDIBSource; } -int CPDF_DIBSource::StartLoadMaskDIB() -{ - m_pMask = new CPDF_DIBSource; - int ret = m_pMask->StartLoadDIBSource(m_pDocument, (CPDF_Stream*)m_pMaskStream, FALSE, NULL, NULL, TRUE); - if (ret == 2) { - if (m_Status == 0) { - m_Status = 2; - } - return 2; - } - if (!ret) { - delete m_pMask; - m_pMask = NULL; - return 1; - } +CPDF_DIBSource* CPDF_DIBSource::LoadMaskDIB(CPDF_Stream* pMask) { + CPDF_DIBSource* pMaskSource = new CPDF_DIBSource; + if (!pMaskSource->Load(m_pDocument, pMask, NULL, NULL, NULL, NULL, TRUE)) { + delete pMaskSource; + return NULL; + } + return pMaskSource; +} +int CPDF_DIBSource::StartLoadMaskDIB() { + m_pMask = new CPDF_DIBSource; + int ret = m_pMask->StartLoadDIBSource( + m_pDocument, (CPDF_Stream*)m_pMaskStream, FALSE, NULL, NULL, TRUE); + if (ret == 2) { + if (m_Status == 0) { + m_Status = 2; + } + return 2; + } + if (!ret) { + delete m_pMask; + m_pMask = NULL; return 1; + } + return 1; } -void CPDF_DIBSource::LoadPalette() -{ - if (m_bpc == 0) { - return; - } - if (m_bpc * m_nComponents > 8) { - return; - } - if (m_pColorSpace == NULL) { - return; - } - if (m_bpc * m_nComponents == 1) { - if (m_bDefaultDecode && (m_Family == PDFCS_DEVICEGRAY || m_Family == PDFCS_DEVICERGB)) { - return; - } - if (m_pColorSpace->CountComponents() > 3) { - return; - } - FX_FLOAT color_values[3]; - color_values[0] = m_pCompData[0].m_DecodeMin; - color_values[1] = color_values[2] = color_values[0]; - FX_FLOAT R=0.0f, G=0.0f, B=0.0f; - m_pColorSpace->GetRGB(color_values, R, G, B); - FX_ARGB argb0 = ArgbEncode(255, FXSYS_round(R * 255), FXSYS_round(G * 255), FXSYS_round(B * 255)); - color_values[0] += m_pCompData[0].m_DecodeStep; - color_values[1] += m_pCompData[0].m_DecodeStep; - color_values[2] += m_pCompData[0].m_DecodeStep; - m_pColorSpace->GetRGB(color_values, R, G, B); - FX_ARGB argb1 = ArgbEncode(255, FXSYS_round(R * 255), FXSYS_round(G * 255), FXSYS_round(B * 255)); - if (argb0 != 0xFF000000 || argb1 != 0xFFFFFFFF) { - SetPaletteArgb(0, argb0); - SetPaletteArgb(1, argb1); - } - return; - } - if (m_pColorSpace == CPDF_ColorSpace::GetStockCS(PDFCS_DEVICEGRAY) && m_bpc == 8 && m_bDefaultDecode) { - } else { - int palette_count = 1 << (m_bpc * m_nComponents); - CFX_FixedBufGrow color_values(m_nComponents); - FX_FLOAT* color_value = color_values; - for (int i = 0; i < palette_count; i ++) { - int color_data = i; - for (FX_DWORD j = 0; j < m_nComponents; j ++) { - int encoded_component = color_data % (1 << m_bpc); - color_data /= 1 << m_bpc; - color_value[j] = m_pCompData[j].m_DecodeMin + m_pCompData[j].m_DecodeStep * encoded_component; - } - FX_FLOAT R = 0, G = 0, B = 0; - if (m_nComponents == 1 && m_Family == PDFCS_ICCBASED && m_pColorSpace->CountComponents() > 1) { - int nComponents = m_pColorSpace->CountComponents(); - FX_FLOAT* temp_buf = FX_Alloc(FX_FLOAT, nComponents); - for (int i = 0; i < nComponents; i++) { - temp_buf[i] = *color_value; - } - m_pColorSpace->GetRGB(temp_buf, R, G, B); - FX_Free(temp_buf); - } else { - m_pColorSpace->GetRGB(color_value, R, G, B); - } - SetPaletteArgb(i, ArgbEncode(255, FXSYS_round(R * 255), FXSYS_round(G * 255), FXSYS_round(B * 255))); +void CPDF_DIBSource::LoadPalette() { + if (m_bpc == 0) { + return; + } + if (m_bpc * m_nComponents > 8) { + return; + } + if (m_pColorSpace == NULL) { + return; + } + if (m_bpc * m_nComponents == 1) { + if (m_bDefaultDecode && + (m_Family == PDFCS_DEVICEGRAY || m_Family == PDFCS_DEVICERGB)) { + return; + } + if (m_pColorSpace->CountComponents() > 3) { + return; + } + FX_FLOAT color_values[3]; + color_values[0] = m_pCompData[0].m_DecodeMin; + color_values[1] = color_values[2] = color_values[0]; + FX_FLOAT R = 0.0f, G = 0.0f, B = 0.0f; + m_pColorSpace->GetRGB(color_values, R, G, B); + FX_ARGB argb0 = ArgbEncode(255, FXSYS_round(R * 255), FXSYS_round(G * 255), + FXSYS_round(B * 255)); + color_values[0] += m_pCompData[0].m_DecodeStep; + color_values[1] += m_pCompData[0].m_DecodeStep; + color_values[2] += m_pCompData[0].m_DecodeStep; + m_pColorSpace->GetRGB(color_values, R, G, B); + FX_ARGB argb1 = ArgbEncode(255, FXSYS_round(R * 255), FXSYS_round(G * 255), + FXSYS_round(B * 255)); + if (argb0 != 0xFF000000 || argb1 != 0xFFFFFFFF) { + SetPaletteArgb(0, argb0); + SetPaletteArgb(1, argb1); + } + return; + } + if (m_pColorSpace == CPDF_ColorSpace::GetStockCS(PDFCS_DEVICEGRAY) && + m_bpc == 8 && m_bDefaultDecode) { + } else { + int palette_count = 1 << (m_bpc * m_nComponents); + CFX_FixedBufGrow color_values(m_nComponents); + FX_FLOAT* color_value = color_values; + for (int i = 0; i < palette_count; i++) { + int color_data = i; + for (FX_DWORD j = 0; j < m_nComponents; j++) { + int encoded_component = color_data % (1 << m_bpc); + color_data /= 1 << m_bpc; + color_value[j] = m_pCompData[j].m_DecodeMin + + m_pCompData[j].m_DecodeStep * encoded_component; + } + FX_FLOAT R = 0, G = 0, B = 0; + if (m_nComponents == 1 && m_Family == PDFCS_ICCBASED && + m_pColorSpace->CountComponents() > 1) { + int nComponents = m_pColorSpace->CountComponents(); + FX_FLOAT* temp_buf = FX_Alloc(FX_FLOAT, nComponents); + for (int i = 0; i < nComponents; i++) { + temp_buf[i] = *color_value; } - } + m_pColorSpace->GetRGB(temp_buf, R, G, B); + FX_Free(temp_buf); + } else { + m_pColorSpace->GetRGB(color_value, R, G, B); + } + SetPaletteArgb(i, ArgbEncode(255, FXSYS_round(R * 255), + FXSYS_round(G * 255), FXSYS_round(B * 255))); + } + } } -void CPDF_DIBSource::ValidateDictParam() -{ - m_bpc = m_bpc_orig; - CPDF_Object * pFilter = m_pDict->GetElementValue(FX_BSTRC("Filter")); - if (pFilter) { - if (pFilter->GetType() == PDFOBJ_NAME) { - CFX_ByteString filter = pFilter->GetString(); - if (filter == FX_BSTRC("CCITTFaxDecode") || filter == FX_BSTRC("JBIG2Decode")) { - m_bpc = 1; - m_nComponents = 1; - } - if (filter == FX_BSTRC("RunLengthDecode") || filter == FX_BSTRC("DCTDecode")) { - m_bpc = 8; - } - } else if (pFilter->GetType() == PDFOBJ_ARRAY) { - CPDF_Array *pArray = (CPDF_Array *)pFilter; - if (pArray->GetString(pArray->GetCount() - 1) == FX_BSTRC("CCITTFaxDecode") || - pArray->GetString(pArray->GetCount() - 1) == FX_BSTRC("JBIG2Decode")) { - m_bpc = 1; - m_nComponents = 1; - } - if (pArray->GetString(pArray->GetCount() - 1) == FX_BSTRC("DCTDecode")) { - // Previously, pArray->GetString(pArray->GetCount() - 1) == FX_BSTRC("RunLengthDecode") was checked in the "if" statement as well, - // but too many documents don't conform to it. - m_bpc = 8; - } - } - } - if (m_bpc != 1 && m_bpc != 2 && m_bpc != 4 && m_bpc != 8 && m_bpc != 16) { - m_bpc = 0; - } +void CPDF_DIBSource::ValidateDictParam() { + m_bpc = m_bpc_orig; + CPDF_Object* pFilter = m_pDict->GetElementValue(FX_BSTRC("Filter")); + if (pFilter) { + if (pFilter->GetType() == PDFOBJ_NAME) { + CFX_ByteString filter = pFilter->GetString(); + if (filter == FX_BSTRC("CCITTFaxDecode") || + filter == FX_BSTRC("JBIG2Decode")) { + m_bpc = 1; + m_nComponents = 1; + } + if (filter == FX_BSTRC("RunLengthDecode") || + filter == FX_BSTRC("DCTDecode")) { + m_bpc = 8; + } + } else if (pFilter->GetType() == PDFOBJ_ARRAY) { + CPDF_Array* pArray = (CPDF_Array*)pFilter; + if (pArray->GetString(pArray->GetCount() - 1) == + FX_BSTRC("CCITTFaxDecode") || + pArray->GetString(pArray->GetCount() - 1) == + FX_BSTRC("JBIG2Decode")) { + m_bpc = 1; + m_nComponents = 1; + } + if (pArray->GetString(pArray->GetCount() - 1) == FX_BSTRC("DCTDecode")) { + // Previously, pArray->GetString(pArray->GetCount() - 1) == + // FX_BSTRC("RunLengthDecode") was checked in the "if" statement as + // well, + // but too many documents don't conform to it. + m_bpc = 8; + } + } + } + if (m_bpc != 1 && m_bpc != 2 && m_bpc != 4 && m_bpc != 8 && m_bpc != 16) { + m_bpc = 0; + } } -#define NORMALCOLOR_MAX(color, max) (color) > (max) ? (max) : (color) < 0 ? 0 : (color); -void CPDF_DIBSource::TranslateScanline24bpp(uint8_t* dest_scan, const uint8_t* src_scan) const -{ - if (m_bpc == 0) { - return; - } - int max_data = (1 << m_bpc) - 1; - if (m_bDefaultDecode) { - if (m_Family == PDFCS_DEVICERGB || m_Family == PDFCS_CALRGB) { - const uint8_t* src_pos = src_scan; - switch (m_bpc) { - case 16: - for (int col = 0; col < m_Width; col ++) { - *dest_scan++ = src_pos[4]; - *dest_scan++ = src_pos[2]; - *dest_scan++ = *src_pos; - src_pos += 6; - } - break; - case 8: - for (int column = 0; column < m_Width; column ++) { - *dest_scan++ = src_pos[2]; - *dest_scan++ = src_pos[1]; - *dest_scan++ = *src_pos; - src_pos += 3; - } - break; - default: - int src_bit_pos = 0; - int dest_byte_pos = 0; - for (int column = 0; column < m_Width; column ++) { - int R = _GetBits8(src_scan, src_bit_pos, m_bpc); - src_bit_pos += m_bpc; - int G = _GetBits8(src_scan, src_bit_pos, m_bpc); - src_bit_pos += m_bpc; - int B = _GetBits8(src_scan, src_bit_pos, m_bpc); - src_bit_pos += m_bpc; - R = NORMALCOLOR_MAX(R, max_data); - G = NORMALCOLOR_MAX(G, max_data); - B = NORMALCOLOR_MAX(B, max_data); - dest_scan[dest_byte_pos] = B * 255 / max_data; - dest_scan[dest_byte_pos + 1] = G * 255 / max_data; - dest_scan[dest_byte_pos + 2] = R * 255 / max_data; - dest_byte_pos += 3; - } - break; - } - return; - } - if (m_bpc == 8) { - if (m_nComponents == m_pColorSpace->CountComponents()) - m_pColorSpace->TranslateImageLine(dest_scan, src_scan, m_Width, m_Width, m_Height, - m_bLoadMask && m_GroupFamily == PDFCS_DEVICECMYK && m_Family == PDFCS_DEVICECMYK); - return; - } - } - CFX_FixedBufGrow color_values1(m_nComponents); - FX_FLOAT* color_values = color_values1; - FX_FLOAT R = 0.0f, G = 0.0f, B = 0.0f; - if (m_bpc == 8) { - int src_byte_pos = 0; - int dest_byte_pos = 0; - for (int column = 0; column < m_Width; column ++) { - for (FX_DWORD color = 0; color < m_nComponents; color ++) { - int data = src_scan[src_byte_pos ++]; - color_values[color] = m_pCompData[color].m_DecodeMin + - m_pCompData[color].m_DecodeStep * data; - } - if (m_bLoadMask && m_GroupFamily == PDFCS_DEVICECMYK && m_Family == PDFCS_DEVICECMYK) { - FX_FLOAT k = 1.0f - color_values[3]; - R = (1.0f - color_values[0]) * k; - G = (1.0f - color_values[1]) * k; - B = (1.0f - color_values[2]) * k; - } else { - m_pColorSpace->GetRGB(color_values, R, G, B); - } - R = NORMALCOLOR_MAX(R, 1); - G = NORMALCOLOR_MAX(G, 1); - B = NORMALCOLOR_MAX(B, 1); - dest_scan[dest_byte_pos] = (int32_t)(B * 255); - dest_scan[dest_byte_pos + 1] = (int32_t)(G * 255); - dest_scan[dest_byte_pos + 2] = (int32_t)(R * 255); - dest_byte_pos += 3; - } - } else { - int src_bit_pos = 0; - int dest_byte_pos = 0; - for (int column = 0; column < m_Width; column ++) { - for (FX_DWORD color = 0; color < m_nComponents; color ++) { - int data = _GetBits8(src_scan, src_bit_pos, m_bpc); - color_values[color] = m_pCompData[color].m_DecodeMin + - m_pCompData[color].m_DecodeStep * data; - src_bit_pos += m_bpc; - } - if (m_bLoadMask && m_GroupFamily == PDFCS_DEVICECMYK && m_Family == PDFCS_DEVICECMYK) { - FX_FLOAT k = 1.0f - color_values[3]; - R = (1.0f - color_values[0]) * k; - G = (1.0f - color_values[1]) * k; - B = (1.0f - color_values[2]) * k; - } else { - m_pColorSpace->GetRGB(color_values, R, G, B); - } - R = NORMALCOLOR_MAX(R, 1); - G = NORMALCOLOR_MAX(G, 1); - B = NORMALCOLOR_MAX(B, 1); - dest_scan[dest_byte_pos] = (int32_t)(B * 255); - dest_scan[dest_byte_pos + 1] = (int32_t)(G * 255); - dest_scan[dest_byte_pos + 2] = (int32_t)(R * 255); +#define NORMALCOLOR_MAX(color, max) \ + (color) > (max) ? (max) : (color) < 0 ? 0 : (color); +void CPDF_DIBSource::TranslateScanline24bpp(uint8_t* dest_scan, + const uint8_t* src_scan) const { + if (m_bpc == 0) { + return; + } + int max_data = (1 << m_bpc) - 1; + if (m_bDefaultDecode) { + if (m_Family == PDFCS_DEVICERGB || m_Family == PDFCS_CALRGB) { + const uint8_t* src_pos = src_scan; + switch (m_bpc) { + case 16: + for (int col = 0; col < m_Width; col++) { + *dest_scan++ = src_pos[4]; + *dest_scan++ = src_pos[2]; + *dest_scan++ = *src_pos; + src_pos += 6; + } + break; + case 8: + for (int column = 0; column < m_Width; column++) { + *dest_scan++ = src_pos[2]; + *dest_scan++ = src_pos[1]; + *dest_scan++ = *src_pos; + src_pos += 3; + } + break; + default: + int src_bit_pos = 0; + int dest_byte_pos = 0; + for (int column = 0; column < m_Width; column++) { + int R = _GetBits8(src_scan, src_bit_pos, m_bpc); + src_bit_pos += m_bpc; + int G = _GetBits8(src_scan, src_bit_pos, m_bpc); + src_bit_pos += m_bpc; + int B = _GetBits8(src_scan, src_bit_pos, m_bpc); + src_bit_pos += m_bpc; + R = NORMALCOLOR_MAX(R, max_data); + G = NORMALCOLOR_MAX(G, max_data); + B = NORMALCOLOR_MAX(B, max_data); + dest_scan[dest_byte_pos] = B * 255 / max_data; + dest_scan[dest_byte_pos + 1] = G * 255 / max_data; + dest_scan[dest_byte_pos + 2] = R * 255 / max_data; dest_byte_pos += 3; - } + } + break; + } + return; } + if (m_bpc == 8) { + if (m_nComponents == m_pColorSpace->CountComponents()) + m_pColorSpace->TranslateImageLine( + dest_scan, src_scan, m_Width, m_Width, m_Height, + m_bLoadMask && m_GroupFamily == PDFCS_DEVICECMYK && + m_Family == PDFCS_DEVICECMYK); + return; + } + } + CFX_FixedBufGrow color_values1(m_nComponents); + FX_FLOAT* color_values = color_values1; + FX_FLOAT R = 0.0f, G = 0.0f, B = 0.0f; + if (m_bpc == 8) { + int src_byte_pos = 0; + int dest_byte_pos = 0; + for (int column = 0; column < m_Width; column++) { + for (FX_DWORD color = 0; color < m_nComponents; color++) { + int data = src_scan[src_byte_pos++]; + color_values[color] = m_pCompData[color].m_DecodeMin + + m_pCompData[color].m_DecodeStep * data; + } + if (m_bLoadMask && m_GroupFamily == PDFCS_DEVICECMYK && + m_Family == PDFCS_DEVICECMYK) { + FX_FLOAT k = 1.0f - color_values[3]; + R = (1.0f - color_values[0]) * k; + G = (1.0f - color_values[1]) * k; + B = (1.0f - color_values[2]) * k; + } else { + m_pColorSpace->GetRGB(color_values, R, G, B); + } + R = NORMALCOLOR_MAX(R, 1); + G = NORMALCOLOR_MAX(G, 1); + B = NORMALCOLOR_MAX(B, 1); + dest_scan[dest_byte_pos] = (int32_t)(B * 255); + dest_scan[dest_byte_pos + 1] = (int32_t)(G * 255); + dest_scan[dest_byte_pos + 2] = (int32_t)(R * 255); + dest_byte_pos += 3; + } + } else { + int src_bit_pos = 0; + int dest_byte_pos = 0; + for (int column = 0; column < m_Width; column++) { + for (FX_DWORD color = 0; color < m_nComponents; color++) { + int data = _GetBits8(src_scan, src_bit_pos, m_bpc); + color_values[color] = m_pCompData[color].m_DecodeMin + + m_pCompData[color].m_DecodeStep * data; + src_bit_pos += m_bpc; + } + if (m_bLoadMask && m_GroupFamily == PDFCS_DEVICECMYK && + m_Family == PDFCS_DEVICECMYK) { + FX_FLOAT k = 1.0f - color_values[3]; + R = (1.0f - color_values[0]) * k; + G = (1.0f - color_values[1]) * k; + B = (1.0f - color_values[2]) * k; + } else { + m_pColorSpace->GetRGB(color_values, R, G, B); + } + R = NORMALCOLOR_MAX(R, 1); + G = NORMALCOLOR_MAX(G, 1); + B = NORMALCOLOR_MAX(B, 1); + dest_scan[dest_byte_pos] = (int32_t)(B * 255); + dest_scan[dest_byte_pos + 1] = (int32_t)(G * 255); + dest_scan[dest_byte_pos + 2] = (int32_t)(R * 255); + dest_byte_pos += 3; + } + } } -uint8_t* CPDF_DIBSource::GetBuffer() const -{ - if (m_pCachedBitmap) { - return m_pCachedBitmap->GetBuffer(); - } - return NULL; +uint8_t* CPDF_DIBSource::GetBuffer() const { + if (m_pCachedBitmap) { + return m_pCachedBitmap->GetBuffer(); + } + return NULL; } -const uint8_t* CPDF_DIBSource::GetScanline(int line) const -{ - if (m_bpc == 0) { - return NULL; - } - FX_SAFE_DWORD src_pitch = CalculatePitch8(m_bpc, m_nComponents, m_Width, 1); - if (!src_pitch.IsValid()) - return NULL; - FX_DWORD src_pitch_value = src_pitch.ValueOrDie(); - const uint8_t* pSrcLine = NULL; - if (m_pCachedBitmap) { - if (line >= m_pCachedBitmap->GetHeight()) { - line = m_pCachedBitmap->GetHeight() - 1; - } - pSrcLine = m_pCachedBitmap->GetScanline(line); - } else if (m_pDecoder) { - pSrcLine = m_pDecoder->GetScanline(line); - } else { - if (m_pStreamAcc->GetSize() >= (line + 1) * src_pitch_value) { - pSrcLine = m_pStreamAcc->GetData() + line * src_pitch_value; - } - } - if (pSrcLine == NULL) { - uint8_t* pLineBuf = m_pMaskedLine ? m_pMaskedLine : m_pLineBuf; - FXSYS_memset(pLineBuf, 0xff, m_Pitch); - return pLineBuf; - } - if (m_bpc * m_nComponents == 1) { - if (m_bImageMask && m_bDefaultDecode) { - for (FX_DWORD i = 0; i < src_pitch_value; i++) { - m_pLineBuf[i] = ~pSrcLine[i]; - } - } else if (m_bColorKey) { - FX_DWORD reset_argb, set_argb; - reset_argb = m_pPalette ? m_pPalette[0] : 0xff000000; - set_argb = m_pPalette ? m_pPalette[1] : 0xffffffff; - if (m_pCompData[0].m_ColorKeyMin == 0) { - reset_argb = 0; - } - if (m_pCompData[0].m_ColorKeyMax == 1) { - set_argb = 0; - } - set_argb = FXARGB_TODIB(set_argb); - reset_argb = FXARGB_TODIB(reset_argb); - FX_DWORD* dest_scan = (FX_DWORD*)m_pMaskedLine; - for (int col = 0; col < m_Width; col ++) { - if (pSrcLine[col / 8] & (1 << (7 - col % 8))) { - *dest_scan = set_argb; - } else { - *dest_scan = reset_argb; - } - dest_scan ++; - } - return m_pMaskedLine; +const uint8_t* CPDF_DIBSource::GetScanline(int line) const { + if (m_bpc == 0) { + return NULL; + } + FX_SAFE_DWORD src_pitch = CalculatePitch8(m_bpc, m_nComponents, m_Width, 1); + if (!src_pitch.IsValid()) + return NULL; + FX_DWORD src_pitch_value = src_pitch.ValueOrDie(); + const uint8_t* pSrcLine = NULL; + if (m_pCachedBitmap) { + if (line >= m_pCachedBitmap->GetHeight()) { + line = m_pCachedBitmap->GetHeight() - 1; + } + pSrcLine = m_pCachedBitmap->GetScanline(line); + } else if (m_pDecoder) { + pSrcLine = m_pDecoder->GetScanline(line); + } else { + if (m_pStreamAcc->GetSize() >= (line + 1) * src_pitch_value) { + pSrcLine = m_pStreamAcc->GetData() + line * src_pitch_value; + } + } + if (pSrcLine == NULL) { + uint8_t* pLineBuf = m_pMaskedLine ? m_pMaskedLine : m_pLineBuf; + FXSYS_memset(pLineBuf, 0xff, m_Pitch); + return pLineBuf; + } + if (m_bpc * m_nComponents == 1) { + if (m_bImageMask && m_bDefaultDecode) { + for (FX_DWORD i = 0; i < src_pitch_value; i++) { + m_pLineBuf[i] = ~pSrcLine[i]; + } + } else if (m_bColorKey) { + FX_DWORD reset_argb, set_argb; + reset_argb = m_pPalette ? m_pPalette[0] : 0xff000000; + set_argb = m_pPalette ? m_pPalette[1] : 0xffffffff; + if (m_pCompData[0].m_ColorKeyMin == 0) { + reset_argb = 0; + } + if (m_pCompData[0].m_ColorKeyMax == 1) { + set_argb = 0; + } + set_argb = FXARGB_TODIB(set_argb); + reset_argb = FXARGB_TODIB(reset_argb); + FX_DWORD* dest_scan = (FX_DWORD*)m_pMaskedLine; + for (int col = 0; col < m_Width; col++) { + if (pSrcLine[col / 8] & (1 << (7 - col % 8))) { + *dest_scan = set_argb; } else { - FXSYS_memcpy(m_pLineBuf, pSrcLine, src_pitch_value); + *dest_scan = reset_argb; } - return m_pLineBuf; + dest_scan++; + } + return m_pMaskedLine; + } else { + FXSYS_memcpy(m_pLineBuf, pSrcLine, src_pitch_value); } - if (m_bpc * m_nComponents <= 8) { - if (m_bpc == 8) { - FXSYS_memcpy(m_pLineBuf, pSrcLine, src_pitch_value); - } else { - int src_bit_pos = 0; - for (int col = 0; col < m_Width; col ++) { - int color_index = 0; - for (FX_DWORD color = 0; color < m_nComponents; color ++) { - int data = _GetBits8(pSrcLine, src_bit_pos, m_bpc); - color_index |= data << (color * m_bpc); - src_bit_pos += m_bpc; - } - m_pLineBuf[col] = color_index; - } - } - if (m_bColorKey) { - uint8_t* pDestPixel = m_pMaskedLine; - const uint8_t* pSrcPixel = m_pLineBuf; - for (int col = 0; col < m_Width; col ++) { - uint8_t index = *pSrcPixel++; - if (m_pPalette) { - *pDestPixel++ = FXARGB_B(m_pPalette[index]); - *pDestPixel++ = FXARGB_G(m_pPalette[index]); - *pDestPixel++ = FXARGB_R(m_pPalette[index]); - } else { - *pDestPixel++ = index; - *pDestPixel++ = index; - *pDestPixel++ = index; - } - *pDestPixel = (index < m_pCompData[0].m_ColorKeyMin || index > m_pCompData[0].m_ColorKeyMax) ? 0xff : 0; - pDestPixel ++ ; - } - return m_pMaskedLine; + return m_pLineBuf; + } + if (m_bpc * m_nComponents <= 8) { + if (m_bpc == 8) { + FXSYS_memcpy(m_pLineBuf, pSrcLine, src_pitch_value); + } else { + int src_bit_pos = 0; + for (int col = 0; col < m_Width; col++) { + int color_index = 0; + for (FX_DWORD color = 0; color < m_nComponents; color++) { + int data = _GetBits8(pSrcLine, src_bit_pos, m_bpc); + color_index |= data << (color * m_bpc); + src_bit_pos += m_bpc; } - return m_pLineBuf; + m_pLineBuf[col] = color_index; + } } if (m_bColorKey) { - if (m_nComponents == 3 && m_bpc == 8) { - uint8_t* alpha_channel = m_pMaskedLine + 3; - for (int col = 0; col < m_Width; col ++) { - const uint8_t* pPixel = pSrcLine + col * 3; - alpha_channel[col * 4] = (pPixel[0] < m_pCompData[0].m_ColorKeyMin || pPixel[0] > m_pCompData[0].m_ColorKeyMax || - pPixel[1] < m_pCompData[1].m_ColorKeyMin || pPixel[1] > m_pCompData[1].m_ColorKeyMax || - pPixel[2] < m_pCompData[2].m_ColorKeyMin || pPixel[2] > m_pCompData[2].m_ColorKeyMax) ? 0xff : 0; - } + uint8_t* pDestPixel = m_pMaskedLine; + const uint8_t* pSrcPixel = m_pLineBuf; + for (int col = 0; col < m_Width; col++) { + uint8_t index = *pSrcPixel++; + if (m_pPalette) { + *pDestPixel++ = FXARGB_B(m_pPalette[index]); + *pDestPixel++ = FXARGB_G(m_pPalette[index]); + *pDestPixel++ = FXARGB_R(m_pPalette[index]); } else { - FXSYS_memset(m_pMaskedLine, 0xff, m_Pitch); - } - } - if (m_pColorSpace) { - TranslateScanline24bpp(m_pLineBuf, pSrcLine); - pSrcLine = m_pLineBuf; - } - if (m_bColorKey) { - const uint8_t* pSrcPixel = pSrcLine; - uint8_t* pDestPixel = m_pMaskedLine; - for (int col = 0; col < m_Width; col ++) { - *pDestPixel++ = *pSrcPixel++; - *pDestPixel++ = *pSrcPixel++; - *pDestPixel++ = *pSrcPixel++; - pDestPixel ++; + *pDestPixel++ = index; + *pDestPixel++ = index; + *pDestPixel++ = index; } - return m_pMaskedLine; - } - return pSrcLine; + *pDestPixel = (index < m_pCompData[0].m_ColorKeyMin || + index > m_pCompData[0].m_ColorKeyMax) + ? 0xff + : 0; + pDestPixel++; + } + return m_pMaskedLine; + } + return m_pLineBuf; + } + if (m_bColorKey) { + if (m_nComponents == 3 && m_bpc == 8) { + uint8_t* alpha_channel = m_pMaskedLine + 3; + for (int col = 0; col < m_Width; col++) { + const uint8_t* pPixel = pSrcLine + col * 3; + alpha_channel[col * 4] = (pPixel[0] < m_pCompData[0].m_ColorKeyMin || + pPixel[0] > m_pCompData[0].m_ColorKeyMax || + pPixel[1] < m_pCompData[1].m_ColorKeyMin || + pPixel[1] > m_pCompData[1].m_ColorKeyMax || + pPixel[2] < m_pCompData[2].m_ColorKeyMin || + pPixel[2] > m_pCompData[2].m_ColorKeyMax) + ? 0xff + : 0; + } + } else { + FXSYS_memset(m_pMaskedLine, 0xff, m_Pitch); + } + } + if (m_pColorSpace) { + TranslateScanline24bpp(m_pLineBuf, pSrcLine); + pSrcLine = m_pLineBuf; + } + if (m_bColorKey) { + const uint8_t* pSrcPixel = pSrcLine; + uint8_t* pDestPixel = m_pMaskedLine; + for (int col = 0; col < m_Width; col++) { + *pDestPixel++ = *pSrcPixel++; + *pDestPixel++ = *pSrcPixel++; + *pDestPixel++ = *pSrcPixel++; + pDestPixel++; + } + return m_pMaskedLine; + } + return pSrcLine; } -FX_BOOL CPDF_DIBSource::SkipToScanline(int line, IFX_Pause* pPause) const -{ - if (m_pDecoder) { - return m_pDecoder->SkipToScanline(line, pPause); - } - return FALSE; +FX_BOOL CPDF_DIBSource::SkipToScanline(int line, IFX_Pause* pPause) const { + if (m_pDecoder) { + return m_pDecoder->SkipToScanline(line, pPause); + } + return FALSE; } -void CPDF_DIBSource::DownSampleScanline(int line, uint8_t* dest_scan, int dest_bpp, - int dest_width, FX_BOOL bFlipX, int clip_left, int clip_width) const -{ - if (line < 0 || dest_scan == NULL || dest_bpp <= 0 || - dest_width <= 0 || clip_left < 0 || clip_width <= 0) { - return; - } +void CPDF_DIBSource::DownSampleScanline(int line, + uint8_t* dest_scan, + int dest_bpp, + int dest_width, + FX_BOOL bFlipX, + int clip_left, + int clip_width) const { + if (line < 0 || dest_scan == NULL || dest_bpp <= 0 || dest_width <= 0 || + clip_left < 0 || clip_width <= 0) { + return; + } - FX_DWORD src_width = m_Width; - FX_SAFE_DWORD pitch = CalculatePitch8(m_bpc, m_nComponents, m_Width, 1); + FX_DWORD src_width = m_Width; + FX_SAFE_DWORD pitch = CalculatePitch8(m_bpc, m_nComponents, m_Width, 1); + if (!pitch.IsValid()) { + return; + } + + const uint8_t* pSrcLine = NULL; + if (m_pCachedBitmap) { + pSrcLine = m_pCachedBitmap->GetScanline(line); + } else if (m_pDecoder) { + pSrcLine = m_pDecoder->GetScanline(line); + } else { + FX_DWORD src_pitch = pitch.ValueOrDie(); + pitch *= (line + 1); if (!pitch.IsValid()) { - return; + return; } - const uint8_t* pSrcLine = NULL; - if (m_pCachedBitmap) { - pSrcLine = m_pCachedBitmap->GetScanline(line); - } else if (m_pDecoder) { - pSrcLine = m_pDecoder->GetScanline(line); - } else { - FX_DWORD src_pitch = pitch.ValueOrDie(); - pitch *= (line+1); - if (!pitch.IsValid()) { - return; - } + if (m_pStreamAcc->GetSize() >= pitch.ValueOrDie()) { + pSrcLine = m_pStreamAcc->GetData() + line * src_pitch; + } + } + int orig_Bpp = m_bpc * m_nComponents / 8; + int dest_Bpp = dest_bpp / 8; + if (pSrcLine == NULL) { + FXSYS_memset(dest_scan, 0xff, dest_Bpp * clip_width); + return; + } - if (m_pStreamAcc->GetSize() >= pitch.ValueOrDie()) { - pSrcLine = m_pStreamAcc->GetData() + line * src_pitch; - } - } - int orig_Bpp = m_bpc * m_nComponents / 8; - int dest_Bpp = dest_bpp / 8; - if (pSrcLine == NULL) { - FXSYS_memset(dest_scan, 0xff, dest_Bpp * clip_width); - return; - } + FX_SAFE_INT32 max_src_x = clip_left; + max_src_x += clip_width - 1; + max_src_x *= src_width; + max_src_x /= dest_width; + if (!max_src_x.IsValid()) { + return; + } - FX_SAFE_INT32 max_src_x = clip_left; - max_src_x += clip_width - 1; - max_src_x *= src_width; - max_src_x /= dest_width; - if (!max_src_x.IsValid()) { - return; - } - - CFX_FixedBufGrow temp(orig_Bpp); - if (m_bpc * m_nComponents == 1) { - FX_DWORD set_argb = (FX_DWORD) - 1, reset_argb = 0; - if (m_bImageMask) { - if (m_bDefaultDecode) { - set_argb = 0; - reset_argb = (FX_DWORD) - 1; - } - } else if (m_bColorKey) { - reset_argb = m_pPalette ? m_pPalette[0] : 0xff000000; - set_argb = m_pPalette ? m_pPalette[1] : 0xffffffff; - if (m_pCompData[0].m_ColorKeyMin == 0) { - reset_argb = 0; - } - if (m_pCompData[0].m_ColorKeyMax == 1) { - set_argb = 0; - } - set_argb = FXARGB_TODIB(set_argb); - reset_argb = FXARGB_TODIB(reset_argb); - for (int i = 0; i < clip_width; i ++) { - FX_DWORD src_x = (clip_left + i) * src_width / dest_width; - if (bFlipX) { - src_x = src_width - src_x - 1; - } - src_x %= src_width; - if (pSrcLine[src_x / 8] & (1 << (7 - src_x % 8))) { - ((FX_DWORD*)dest_scan)[i] = set_argb; - } else { - ((FX_DWORD*)dest_scan)[i] = reset_argb; - } - } - return; + CFX_FixedBufGrow temp(orig_Bpp); + if (m_bpc * m_nComponents == 1) { + FX_DWORD set_argb = (FX_DWORD)-1, reset_argb = 0; + if (m_bImageMask) { + if (m_bDefaultDecode) { + set_argb = 0; + reset_argb = (FX_DWORD)-1; + } + } else if (m_bColorKey) { + reset_argb = m_pPalette ? m_pPalette[0] : 0xff000000; + set_argb = m_pPalette ? m_pPalette[1] : 0xffffffff; + if (m_pCompData[0].m_ColorKeyMin == 0) { + reset_argb = 0; + } + if (m_pCompData[0].m_ColorKeyMax == 1) { + set_argb = 0; + } + set_argb = FXARGB_TODIB(set_argb); + reset_argb = FXARGB_TODIB(reset_argb); + for (int i = 0; i < clip_width; i++) { + FX_DWORD src_x = (clip_left + i) * src_width / dest_width; + if (bFlipX) { + src_x = src_width - src_x - 1; + } + src_x %= src_width; + if (pSrcLine[src_x / 8] & (1 << (7 - src_x % 8))) { + ((FX_DWORD*)dest_scan)[i] = set_argb; } else { - if (dest_Bpp == 1) { - } else if (m_pPalette) { - reset_argb = m_pPalette[0]; - set_argb = m_pPalette[1]; - } + ((FX_DWORD*)dest_scan)[i] = reset_argb; } - for (int i = 0; i < clip_width; i ++) { - FX_DWORD src_x = (clip_left + i) * src_width / dest_width; - if (bFlipX) { - src_x = src_width - src_x - 1; - } - src_x %= src_width; - int dest_pos = i * dest_Bpp; - if (pSrcLine[src_x / 8] & (1 << (7 - src_x % 8))) { - if (dest_Bpp == 1) { - dest_scan[dest_pos] = (uint8_t)set_argb; - } else if (dest_Bpp == 3) { - dest_scan[dest_pos] = FXARGB_B(set_argb); - dest_scan[dest_pos + 1] = FXARGB_G(set_argb); - dest_scan[dest_pos + 2] = FXARGB_R(set_argb); - } else { - *(FX_DWORD*)(dest_scan + dest_pos) = set_argb; - } - } else { - if (dest_Bpp == 1) { - dest_scan[dest_pos] = (uint8_t)reset_argb; - } else if (dest_Bpp == 3) { - dest_scan[dest_pos] = FXARGB_B(reset_argb); - dest_scan[dest_pos + 1] = FXARGB_G(reset_argb); - dest_scan[dest_pos + 2] = FXARGB_R(reset_argb); - } else { - *(FX_DWORD*)(dest_scan + dest_pos) = reset_argb; - } - } + } + return; + } else { + if (dest_Bpp == 1) { + } else if (m_pPalette) { + reset_argb = m_pPalette[0]; + set_argb = m_pPalette[1]; + } + } + for (int i = 0; i < clip_width; i++) { + FX_DWORD src_x = (clip_left + i) * src_width / dest_width; + if (bFlipX) { + src_x = src_width - src_x - 1; + } + src_x %= src_width; + int dest_pos = i * dest_Bpp; + if (pSrcLine[src_x / 8] & (1 << (7 - src_x % 8))) { + if (dest_Bpp == 1) { + dest_scan[dest_pos] = (uint8_t)set_argb; + } else if (dest_Bpp == 3) { + dest_scan[dest_pos] = FXARGB_B(set_argb); + dest_scan[dest_pos + 1] = FXARGB_G(set_argb); + dest_scan[dest_pos + 2] = FXARGB_R(set_argb); + } else { + *(FX_DWORD*)(dest_scan + dest_pos) = set_argb; } - return; - } else if (m_bpc * m_nComponents <= 8) { - if (m_bpc < 8) { - int src_bit_pos = 0; - for (FX_DWORD col = 0; col < src_width; col ++) { - int color_index = 0; - for (FX_DWORD color = 0; color < m_nComponents; color ++) { - int data = _GetBits8(pSrcLine, src_bit_pos, m_bpc); - color_index |= data << (color * m_bpc); - src_bit_pos += m_bpc; - } - m_pLineBuf[col] = color_index; - } - pSrcLine = m_pLineBuf; + } else { + if (dest_Bpp == 1) { + dest_scan[dest_pos] = (uint8_t)reset_argb; + } else if (dest_Bpp == 3) { + dest_scan[dest_pos] = FXARGB_B(reset_argb); + dest_scan[dest_pos + 1] = FXARGB_G(reset_argb); + dest_scan[dest_pos + 2] = FXARGB_R(reset_argb); + } else { + *(FX_DWORD*)(dest_scan + dest_pos) = reset_argb; } - if (m_bColorKey) { - for (int i = 0; i < clip_width; i ++) { - FX_DWORD src_x = (clip_left + i) * src_width / dest_width; - if (bFlipX) { - src_x = src_width - src_x - 1; - } - src_x %= src_width; - uint8_t* pDestPixel = dest_scan + i * 4; - uint8_t index = pSrcLine[src_x]; - if (m_pPalette) { - *pDestPixel++ = FXARGB_B(m_pPalette[index]); - *pDestPixel++ = FXARGB_G(m_pPalette[index]); - *pDestPixel++ = FXARGB_R(m_pPalette[index]); - } else { - *pDestPixel++ = index; - *pDestPixel++ = index; - *pDestPixel++ = index; - } - *pDestPixel = (index < m_pCompData[0].m_ColorKeyMin || index > m_pCompData[0].m_ColorKeyMax) ? 0xff : 0; - } - return; + } + } + return; + } else if (m_bpc * m_nComponents <= 8) { + if (m_bpc < 8) { + int src_bit_pos = 0; + for (FX_DWORD col = 0; col < src_width; col++) { + int color_index = 0; + for (FX_DWORD color = 0; color < m_nComponents; color++) { + int data = _GetBits8(pSrcLine, src_bit_pos, m_bpc); + color_index |= data << (color * m_bpc); + src_bit_pos += m_bpc; } - for (int i = 0; i < clip_width; i ++) { - FX_DWORD src_x = (clip_left + i) * src_width / dest_width; - if (bFlipX) { - src_x = src_width - src_x - 1; - } - src_x %= src_width; - uint8_t index = pSrcLine[src_x]; - if (dest_Bpp == 1) { - dest_scan[i] = index; - } else { - int dest_pos = i * dest_Bpp; - FX_ARGB argb = m_pPalette[index]; - dest_scan[dest_pos] = FXARGB_B(argb); - dest_scan[dest_pos + 1] = FXARGB_G(argb); - dest_scan[dest_pos + 2] = FXARGB_R(argb); - } + m_pLineBuf[col] = color_index; + } + pSrcLine = m_pLineBuf; + } + if (m_bColorKey) { + for (int i = 0; i < clip_width; i++) { + FX_DWORD src_x = (clip_left + i) * src_width / dest_width; + if (bFlipX) { + src_x = src_width - src_x - 1; } - return; - } else { - int last_src_x = -1; - FX_ARGB last_argb; - FX_FLOAT orig_Not8Bpp = (FX_FLOAT)m_bpc * (FX_FLOAT)m_nComponents / 8.0f; - FX_FLOAT unit_To8Bpc = 255.0f / ((1 << m_bpc) - 1); - for (int i = 0; i < clip_width; i ++) { - int dest_x = clip_left + i; - FX_DWORD src_x = (bFlipX ? (dest_width - dest_x - 1) : dest_x) * (int64_t)src_width / dest_width; - src_x %= src_width; - const uint8_t* pSrcPixel = NULL; - if (m_bpc % 8 == 0) { - pSrcPixel = pSrcLine + src_x * orig_Bpp; - } else { - pSrcPixel = pSrcLine + (int)(src_x * orig_Not8Bpp); - } - uint8_t* pDestPixel = dest_scan + i * dest_Bpp; - FX_ARGB argb; - if (src_x == last_src_x) { - argb = last_argb; - } else { - if (m_pColorSpace) { - uint8_t color[4]; - if (!m_bDefaultDecode) { - for (int i = 0; i < m_nComponents; i ++) { - int color_value = (int)((m_pCompData[i].m_DecodeMin + m_pCompData[i].m_DecodeStep * (FX_FLOAT)pSrcPixel[i]) * 255.0f + 0.5f); - temp[i] = color_value > 255 ? 255 : (color_value < 0 ? 0 : color_value); - } - m_pColorSpace->TranslateImageLine(color, temp, 1, 0, 0, m_bLoadMask && m_GroupFamily == PDFCS_DEVICECMYK && m_Family == PDFCS_DEVICECMYK); - } else { - if (m_bpc < 8) { - int src_bit_pos = 0; - if (src_x % 2) { - src_bit_pos = 4; - } - for (FX_DWORD i = 0; i < m_nComponents; i ++) { - temp[i] = (uint8_t)(_GetBits8(pSrcPixel, src_bit_pos, m_bpc) * unit_To8Bpc); - src_bit_pos += m_bpc; - } - m_pColorSpace->TranslateImageLine(color, temp, 1, 0, 0, m_bLoadMask && m_GroupFamily == PDFCS_DEVICECMYK && m_Family == PDFCS_DEVICECMYK); - } else { - m_pColorSpace->TranslateImageLine(color, pSrcPixel, 1, 0, 0, m_bLoadMask && m_GroupFamily == PDFCS_DEVICECMYK && m_Family == PDFCS_DEVICECMYK); - } - } - argb = FXARGB_MAKE(0xff, color[2], color[1], color[0]); - } else { - argb = FXARGB_MAKE(0xff, pSrcPixel[2], pSrcPixel[1], pSrcPixel[0]); - } - if (m_bColorKey) { - int alpha = 0xff; - if (m_nComponents == 3 && m_bpc == 8) { - alpha = (pSrcPixel[0] < m_pCompData[0].m_ColorKeyMin || - pSrcPixel[0] > m_pCompData[0].m_ColorKeyMax || - pSrcPixel[1] < m_pCompData[1].m_ColorKeyMin || - pSrcPixel[1] > m_pCompData[1].m_ColorKeyMax || - pSrcPixel[2] < m_pCompData[2].m_ColorKeyMin || - pSrcPixel[2] > m_pCompData[2].m_ColorKeyMax) ? 0xff : 0; - } - argb &= 0xffffff; - argb |= alpha << 24; - } - last_src_x = src_x; - last_argb = argb; + src_x %= src_width; + uint8_t* pDestPixel = dest_scan + i * 4; + uint8_t index = pSrcLine[src_x]; + if (m_pPalette) { + *pDestPixel++ = FXARGB_B(m_pPalette[index]); + *pDestPixel++ = FXARGB_G(m_pPalette[index]); + *pDestPixel++ = FXARGB_R(m_pPalette[index]); + } else { + *pDestPixel++ = index; + *pDestPixel++ = index; + *pDestPixel++ = index; + } + *pDestPixel = (index < m_pCompData[0].m_ColorKeyMin || + index > m_pCompData[0].m_ColorKeyMax) + ? 0xff + : 0; + } + return; + } + for (int i = 0; i < clip_width; i++) { + FX_DWORD src_x = (clip_left + i) * src_width / dest_width; + if (bFlipX) { + src_x = src_width - src_x - 1; + } + src_x %= src_width; + uint8_t index = pSrcLine[src_x]; + if (dest_Bpp == 1) { + dest_scan[i] = index; + } else { + int dest_pos = i * dest_Bpp; + FX_ARGB argb = m_pPalette[index]; + dest_scan[dest_pos] = FXARGB_B(argb); + dest_scan[dest_pos + 1] = FXARGB_G(argb); + dest_scan[dest_pos + 2] = FXARGB_R(argb); + } + } + return; + } else { + int last_src_x = -1; + FX_ARGB last_argb; + FX_FLOAT orig_Not8Bpp = (FX_FLOAT)m_bpc * (FX_FLOAT)m_nComponents / 8.0f; + FX_FLOAT unit_To8Bpc = 255.0f / ((1 << m_bpc) - 1); + for (int i = 0; i < clip_width; i++) { + int dest_x = clip_left + i; + FX_DWORD src_x = (bFlipX ? (dest_width - dest_x - 1) : dest_x) * + (int64_t)src_width / dest_width; + src_x %= src_width; + const uint8_t* pSrcPixel = NULL; + if (m_bpc % 8 == 0) { + pSrcPixel = pSrcLine + src_x * orig_Bpp; + } else { + pSrcPixel = pSrcLine + (int)(src_x * orig_Not8Bpp); + } + uint8_t* pDestPixel = dest_scan + i * dest_Bpp; + FX_ARGB argb; + if (src_x == last_src_x) { + argb = last_argb; + } else { + if (m_pColorSpace) { + uint8_t color[4]; + if (!m_bDefaultDecode) { + for (int i = 0; i < m_nComponents; i++) { + int color_value = + (int)((m_pCompData[i].m_DecodeMin + + m_pCompData[i].m_DecodeStep * (FX_FLOAT)pSrcPixel[i]) * + 255.0f + + 0.5f); + temp[i] = + color_value > 255 ? 255 : (color_value < 0 ? 0 : color_value); } - if (dest_Bpp == 4) { - *(FX_DWORD*)pDestPixel = FXARGB_TODIB(argb); + m_pColorSpace->TranslateImageLine( + color, temp, 1, 0, 0, m_bLoadMask && + m_GroupFamily == PDFCS_DEVICECMYK && + m_Family == PDFCS_DEVICECMYK); + } else { + if (m_bpc < 8) { + int src_bit_pos = 0; + if (src_x % 2) { + src_bit_pos = 4; + } + for (FX_DWORD i = 0; i < m_nComponents; i++) { + temp[i] = (uint8_t)(_GetBits8(pSrcPixel, src_bit_pos, m_bpc) * + unit_To8Bpc); + src_bit_pos += m_bpc; + } + m_pColorSpace->TranslateImageLine( + color, temp, 1, 0, 0, m_bLoadMask && + m_GroupFamily == PDFCS_DEVICECMYK && + m_Family == PDFCS_DEVICECMYK); } else { - *pDestPixel++ = FXARGB_B(argb); - *pDestPixel++ = FXARGB_G(argb); - *pDestPixel = FXARGB_R(argb); + m_pColorSpace->TranslateImageLine( + color, pSrcPixel, 1, 0, 0, + m_bLoadMask && m_GroupFamily == PDFCS_DEVICECMYK && + m_Family == PDFCS_DEVICECMYK); } + } + argb = FXARGB_MAKE(0xff, color[2], color[1], color[0]); + } else { + argb = FXARGB_MAKE(0xff, pSrcPixel[2], pSrcPixel[1], pSrcPixel[0]); } - } + if (m_bColorKey) { + int alpha = 0xff; + if (m_nComponents == 3 && m_bpc == 8) { + alpha = (pSrcPixel[0] < m_pCompData[0].m_ColorKeyMin || + pSrcPixel[0] > m_pCompData[0].m_ColorKeyMax || + pSrcPixel[1] < m_pCompData[1].m_ColorKeyMin || + pSrcPixel[1] > m_pCompData[1].m_ColorKeyMax || + pSrcPixel[2] < m_pCompData[2].m_ColorKeyMin || + pSrcPixel[2] > m_pCompData[2].m_ColorKeyMax) + ? 0xff + : 0; + } + argb &= 0xffffff; + argb |= alpha << 24; + } + last_src_x = src_x; + last_argb = argb; + } + if (dest_Bpp == 4) { + *(FX_DWORD*)pDestPixel = FXARGB_TODIB(argb); + } else { + *pDestPixel++ = FXARGB_B(argb); + *pDestPixel++ = FXARGB_G(argb); + *pDestPixel = FXARGB_R(argb); + } + } + } } -void CPDF_DIBSource::SetDownSampleSize(int dest_width, int dest_height) const -{ - if (m_pDecoder) { - m_pDecoder->DownScale(dest_width, dest_height); - ((CPDF_DIBSource*)this)->m_Width = m_pDecoder->GetWidth(); - ((CPDF_DIBSource*)this)->m_Height = m_pDecoder->GetHeight(); - } +void CPDF_DIBSource::SetDownSampleSize(int dest_width, int dest_height) const { + if (m_pDecoder) { + m_pDecoder->DownScale(dest_width, dest_height); + ((CPDF_DIBSource*)this)->m_Width = m_pDecoder->GetWidth(); + ((CPDF_DIBSource*)this)->m_Height = m_pDecoder->GetHeight(); + } } -void CPDF_DIBSource::ClearImageData() -{ - if (m_pDecoder) { - m_pDecoder->ClearImageData(); - } +void CPDF_DIBSource::ClearImageData() { + if (m_pDecoder) { + m_pDecoder->ClearImageData(); + } } -CPDF_ProgressiveImageLoaderHandle::CPDF_ProgressiveImageLoaderHandle() -{ - m_pImageLoader = NULL; - m_pCache = NULL; - m_pImage = NULL; +CPDF_ProgressiveImageLoaderHandle::CPDF_ProgressiveImageLoaderHandle() { + m_pImageLoader = NULL; + m_pCache = NULL; + m_pImage = NULL; } -CPDF_ProgressiveImageLoaderHandle::~CPDF_ProgressiveImageLoaderHandle() -{ +CPDF_ProgressiveImageLoaderHandle::~CPDF_ProgressiveImageLoaderHandle() {} +FX_BOOL CPDF_ProgressiveImageLoaderHandle::Start( + CPDF_ImageLoader* pImageLoader, + const CPDF_ImageObject* pImage, + CPDF_PageRenderCache* pCache, + FX_BOOL bStdCS, + FX_DWORD GroupFamily, + FX_BOOL bLoadMask, + CPDF_RenderStatus* pRenderStatus, + int32_t nDownsampleWidth, + int32_t nDownsampleHeight) { + m_pImageLoader = pImageLoader; + m_pCache = pCache; + m_pImage = (CPDF_ImageObject*)pImage; + m_nDownsampleWidth = nDownsampleWidth; + m_nDownsampleHeight = nDownsampleHeight; + FX_BOOL ret; + if (pCache) { + ret = pCache->StartGetCachedBitmap(pImage->m_pImage->GetStream(), bStdCS, + GroupFamily, bLoadMask, pRenderStatus, + m_nDownsampleWidth, m_nDownsampleHeight); + if (ret == FALSE) { + m_pImageLoader->m_bCached = TRUE; + m_pImageLoader->m_pBitmap = pCache->m_pCurImageCache->DetachBitmap(); + m_pImageLoader->m_pMask = pCache->m_pCurImageCache->DetachMask(); + m_pImageLoader->m_MatteColor = pCache->m_pCurImageCache->m_MatteColor; + } + } else { + ret = pImage->m_pImage->StartLoadDIBSource(pRenderStatus->m_pFormResource, + pRenderStatus->m_pPageResource, + bStdCS, GroupFamily, bLoadMask); + if (ret == FALSE) { + m_pImageLoader->m_bCached = FALSE; + m_pImageLoader->m_pBitmap = m_pImage->m_pImage->DetachBitmap(); + m_pImageLoader->m_pMask = m_pImage->m_pImage->DetachMask(); + m_pImageLoader->m_MatteColor = m_pImage->m_pImage->m_MatteColor; + } + } + return ret; } -FX_BOOL CPDF_ProgressiveImageLoaderHandle::Start(CPDF_ImageLoader* pImageLoader, const CPDF_ImageObject* pImage, CPDF_PageRenderCache* pCache, FX_BOOL bStdCS, FX_DWORD GroupFamily, FX_BOOL bLoadMask, CPDF_RenderStatus* pRenderStatus, int32_t nDownsampleWidth, int32_t nDownsampleHeight) -{ - m_pImageLoader = pImageLoader; - m_pCache = pCache; - m_pImage = (CPDF_ImageObject*)pImage; - m_nDownsampleWidth = nDownsampleWidth; - m_nDownsampleHeight = nDownsampleHeight; - FX_BOOL ret; - if (pCache) { - ret = pCache->StartGetCachedBitmap(pImage->m_pImage->GetStream(), bStdCS, GroupFamily, bLoadMask, pRenderStatus, m_nDownsampleWidth, m_nDownsampleHeight); - if (ret == FALSE) { - m_pImageLoader->m_bCached = TRUE; - m_pImageLoader->m_pBitmap = pCache->m_pCurImageCache->DetachBitmap(); - m_pImageLoader->m_pMask = pCache->m_pCurImageCache->DetachMask(); - m_pImageLoader->m_MatteColor = pCache->m_pCurImageCache->m_MatteColor; - } - } else { - ret = pImage->m_pImage->StartLoadDIBSource(pRenderStatus->m_pFormResource, pRenderStatus->m_pPageResource, bStdCS, GroupFamily, bLoadMask); - if (ret == FALSE) { - m_pImageLoader->m_bCached = FALSE; - m_pImageLoader->m_pBitmap = m_pImage->m_pImage->DetachBitmap(); - m_pImageLoader->m_pMask = m_pImage->m_pImage->DetachMask(); - m_pImageLoader->m_MatteColor = m_pImage->m_pImage->m_MatteColor; - } - } - return ret; +FX_BOOL CPDF_ProgressiveImageLoaderHandle::Continue(IFX_Pause* pPause) { + FX_BOOL ret; + if (m_pCache) { + ret = m_pCache->Continue(pPause); + if (ret == FALSE) { + m_pImageLoader->m_bCached = TRUE; + m_pImageLoader->m_pBitmap = m_pCache->m_pCurImageCache->DetachBitmap(); + m_pImageLoader->m_pMask = m_pCache->m_pCurImageCache->DetachMask(); + m_pImageLoader->m_MatteColor = m_pCache->m_pCurImageCache->m_MatteColor; + } + } else { + ret = m_pImage->m_pImage->Continue(pPause); + if (ret == FALSE) { + m_pImageLoader->m_bCached = FALSE; + m_pImageLoader->m_pBitmap = m_pImage->m_pImage->DetachBitmap(); + m_pImageLoader->m_pMask = m_pImage->m_pImage->DetachMask(); + m_pImageLoader->m_MatteColor = m_pImage->m_pImage->m_MatteColor; + } + } + return ret; } -FX_BOOL CPDF_ProgressiveImageLoaderHandle::Continue(IFX_Pause* pPause) -{ - FX_BOOL ret; - if (m_pCache) { - ret = m_pCache->Continue(pPause); - if (ret == FALSE) { - m_pImageLoader->m_bCached = TRUE; - m_pImageLoader->m_pBitmap = m_pCache->m_pCurImageCache->DetachBitmap(); - m_pImageLoader->m_pMask = m_pCache->m_pCurImageCache->DetachMask(); - m_pImageLoader->m_MatteColor = m_pCache->m_pCurImageCache->m_MatteColor; - } - } else { - ret = m_pImage->m_pImage->Continue(pPause); - if (ret == FALSE) { - m_pImageLoader->m_bCached = FALSE; - m_pImageLoader->m_pBitmap = m_pImage->m_pImage->DetachBitmap(); - m_pImageLoader->m_pMask = m_pImage->m_pImage->DetachMask(); - m_pImageLoader->m_MatteColor = m_pImage->m_pImage->m_MatteColor; - } - } - return ret; -} -FX_BOOL CPDF_ImageLoader::Load(const CPDF_ImageObject* pImage, CPDF_PageRenderCache* pCache, FX_BOOL bStdCS, FX_DWORD GroupFamily, FX_BOOL bLoadMask, CPDF_RenderStatus* pRenderStatus) -{ - if (pImage == NULL) { - return FALSE; - } - if (pCache) { - pCache->GetCachedBitmap(pImage->m_pImage->GetStream(), m_pBitmap, m_pMask, m_MatteColor, bStdCS, GroupFamily, bLoadMask, pRenderStatus, m_nDownsampleWidth, m_nDownsampleHeight); - m_bCached = TRUE; - } else { - m_pBitmap = pImage->m_pImage->LoadDIBSource(&m_pMask, &m_MatteColor, bStdCS, GroupFamily, bLoadMask); - m_bCached = FALSE; - } +FX_BOOL CPDF_ImageLoader::Load(const CPDF_ImageObject* pImage, + CPDF_PageRenderCache* pCache, + FX_BOOL bStdCS, + FX_DWORD GroupFamily, + FX_BOOL bLoadMask, + CPDF_RenderStatus* pRenderStatus) { + if (pImage == NULL) { return FALSE; + } + if (pCache) { + pCache->GetCachedBitmap(pImage->m_pImage->GetStream(), m_pBitmap, m_pMask, + m_MatteColor, bStdCS, GroupFamily, bLoadMask, + pRenderStatus, m_nDownsampleWidth, + m_nDownsampleHeight); + m_bCached = TRUE; + } else { + m_pBitmap = pImage->m_pImage->LoadDIBSource(&m_pMask, &m_MatteColor, bStdCS, + GroupFamily, bLoadMask); + m_bCached = FALSE; + } + return FALSE; } -FX_BOOL CPDF_ImageLoader::StartLoadImage(const CPDF_ImageObject* pImage, CPDF_PageRenderCache* pCache, void*& LoadHandle, FX_BOOL bStdCS, FX_DWORD GroupFamily, FX_BOOL bLoadMask, CPDF_RenderStatus* pRenderStatus, int32_t nDownsampleWidth, int32_t nDownsampleHeight) -{ - m_nDownsampleWidth = nDownsampleWidth; - m_nDownsampleHeight = nDownsampleHeight; - CPDF_ProgressiveImageLoaderHandle* pLoaderHandle = new CPDF_ProgressiveImageLoaderHandle; - FX_BOOL ret = pLoaderHandle->Start(this, pImage, pCache, bStdCS, GroupFamily, bLoadMask, pRenderStatus, m_nDownsampleWidth, m_nDownsampleHeight); - LoadHandle = pLoaderHandle; - return ret; +FX_BOOL CPDF_ImageLoader::StartLoadImage(const CPDF_ImageObject* pImage, + CPDF_PageRenderCache* pCache, + void*& LoadHandle, + FX_BOOL bStdCS, + FX_DWORD GroupFamily, + FX_BOOL bLoadMask, + CPDF_RenderStatus* pRenderStatus, + int32_t nDownsampleWidth, + int32_t nDownsampleHeight) { + m_nDownsampleWidth = nDownsampleWidth; + m_nDownsampleHeight = nDownsampleHeight; + CPDF_ProgressiveImageLoaderHandle* pLoaderHandle = + new CPDF_ProgressiveImageLoaderHandle; + FX_BOOL ret = pLoaderHandle->Start(this, pImage, pCache, bStdCS, GroupFamily, + bLoadMask, pRenderStatus, + m_nDownsampleWidth, m_nDownsampleHeight); + LoadHandle = pLoaderHandle; + return ret; } -FX_BOOL CPDF_ImageLoader::Continue(void* LoadHandle, IFX_Pause* pPause) -{ - return ((CPDF_ProgressiveImageLoaderHandle*)LoadHandle)->Continue(pPause); +FX_BOOL CPDF_ImageLoader::Continue(void* LoadHandle, IFX_Pause* pPause) { + return ((CPDF_ProgressiveImageLoaderHandle*)LoadHandle)->Continue(pPause); } -CPDF_ImageLoader::~CPDF_ImageLoader() -{ - if (!m_bCached) { - delete m_pBitmap; - delete m_pMask; - } +CPDF_ImageLoader::~CPDF_ImageLoader() { + if (!m_bCached) { + delete m_pBitmap; + delete m_pMask; + } } -- cgit v1.2.3