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path: root/core/fxcodec/codec/ccodec_tiffmodule.cpp
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Diffstat (limited to 'core/fxcodec/codec/ccodec_tiffmodule.cpp')
-rw-r--r--core/fxcodec/codec/ccodec_tiffmodule.cpp91
1 files changed, 41 insertions, 50 deletions
diff --git a/core/fxcodec/codec/ccodec_tiffmodule.cpp b/core/fxcodec/codec/ccodec_tiffmodule.cpp
index 6ead576ce8..1f101061b4 100644
--- a/core/fxcodec/codec/ccodec_tiffmodule.cpp
+++ b/core/fxcodec/codec/ccodec_tiffmodule.cpp
@@ -21,10 +21,10 @@ extern "C" {
#include "third_party/libtiff/tiffiop.h"
}
-class CCodec_TiffContext {
+class CTiffContext : public CCodec_TiffModule::Context {
public:
- CCodec_TiffContext();
- ~CCodec_TiffContext();
+ CTiffContext();
+ ~CTiffContext() override;
bool InitDecoder(const CFX_RetainPtr<IFX_SeekableReadStream>& file_ptr);
bool LoadFrameInfo(int32_t frame,
@@ -101,8 +101,7 @@ TIFFErrorHandler _TIFFerrorHandler = nullptr;
namespace {
tsize_t tiff_read(thandle_t context, tdata_t buf, tsize_t length) {
- CCodec_TiffContext* pTiffContext =
- reinterpret_cast<CCodec_TiffContext*>(context);
+ CTiffContext* pTiffContext = reinterpret_cast<CTiffContext*>(context);
FX_SAFE_UINT32 increment = pTiffContext->offset();
increment += length;
if (!increment.IsValid())
@@ -125,8 +124,7 @@ tsize_t tiff_write(thandle_t context, tdata_t buf, tsize_t length) {
}
toff_t tiff_seek(thandle_t context, toff_t offset, int whence) {
- CCodec_TiffContext* pTiffContext =
- reinterpret_cast<CCodec_TiffContext*>(context);
+ CTiffContext* pTiffContext = reinterpret_cast<CTiffContext*>(context);
FX_SAFE_FILESIZE safe_offset = offset;
if (!safe_offset.IsValid())
return static_cast<toff_t>(-1);
@@ -163,8 +161,7 @@ int tiff_close(thandle_t context) {
}
toff_t tiff_get_size(thandle_t context) {
- CCodec_TiffContext* pTiffContext =
- reinterpret_cast<CCodec_TiffContext*>(context);
+ CTiffContext* pTiffContext = reinterpret_cast<CTiffContext*>(context);
return static_cast<toff_t>(pTiffContext->io_in()->GetSize());
}
@@ -221,27 +218,27 @@ void TiffBGRA2RGBA(uint8_t* pBuf, int32_t pixel, int32_t spp) {
} // namespace
-CCodec_TiffContext::CCodec_TiffContext()
+CTiffContext::CTiffContext()
: m_io_in(nullptr), m_offset(0), m_tif_ctx(nullptr) {}
-CCodec_TiffContext::~CCodec_TiffContext() {
+CTiffContext::~CTiffContext() {
if (m_tif_ctx)
TIFFClose(m_tif_ctx);
}
-bool CCodec_TiffContext::InitDecoder(
+bool CTiffContext::InitDecoder(
const CFX_RetainPtr<IFX_SeekableReadStream>& file_ptr) {
m_io_in = file_ptr;
m_tif_ctx = tiff_open(this, "r");
return !!m_tif_ctx;
}
-bool CCodec_TiffContext::LoadFrameInfo(int32_t frame,
- int32_t* width,
- int32_t* height,
- int32_t* comps,
- int32_t* bpc,
- CFX_DIBAttribute* pAttribute) {
+bool CTiffContext::LoadFrameInfo(int32_t frame,
+ int32_t* width,
+ int32_t* height,
+ int32_t* comps,
+ int32_t* bpc,
+ CFX_DIBAttribute* pAttribute) {
if (!TIFFSetDirectory(m_tif_ctx, (uint16)frame))
return false;
@@ -293,7 +290,7 @@ bool CCodec_TiffContext::LoadFrameInfo(int32_t frame,
return true;
}
-bool CCodec_TiffContext::IsSupport(
+bool CTiffContext::IsSupport(
const CFX_RetainPtr<CFX_DIBitmap>& pDIBitmap) const {
if (TIFFIsTiled(m_tif_ctx))
return false;
@@ -324,9 +321,8 @@ bool CCodec_TiffContext::IsSupport(
return planarconfig != PLANARCONFIG_SEPARATE;
}
-void CCodec_TiffContext::SetPalette(
- const CFX_RetainPtr<CFX_DIBitmap>& pDIBitmap,
- uint16_t bps) {
+void CTiffContext::SetPalette(const CFX_RetainPtr<CFX_DIBitmap>& pDIBitmap,
+ uint16_t bps) {
uint16_t* red_orig = nullptr;
uint16_t* green_orig = nullptr;
uint16_t* blue_orig = nullptr;
@@ -349,12 +345,11 @@ void CCodec_TiffContext::SetPalette(
}
}
-bool CCodec_TiffContext::Decode1bppRGB(
- const CFX_RetainPtr<CFX_DIBitmap>& pDIBitmap,
- int32_t height,
- int32_t width,
- uint16_t bps,
- uint16_t spp) {
+bool CTiffContext::Decode1bppRGB(const CFX_RetainPtr<CFX_DIBitmap>& pDIBitmap,
+ int32_t height,
+ int32_t width,
+ uint16_t bps,
+ uint16_t spp) {
if (pDIBitmap->GetBPP() != 1 || spp != 1 || bps != 1 ||
!IsSupport(pDIBitmap)) {
return false;
@@ -378,12 +373,11 @@ bool CCodec_TiffContext::Decode1bppRGB(
return true;
}
-bool CCodec_TiffContext::Decode8bppRGB(
- const CFX_RetainPtr<CFX_DIBitmap>& pDIBitmap,
- int32_t height,
- int32_t width,
- uint16_t bps,
- uint16_t spp) {
+bool CTiffContext::Decode8bppRGB(const CFX_RetainPtr<CFX_DIBitmap>& pDIBitmap,
+ int32_t height,
+ int32_t width,
+ uint16_t bps,
+ uint16_t spp) {
if (pDIBitmap->GetBPP() != 8 || spp != 1 || (bps != 4 && bps != 8) ||
!IsSupport(pDIBitmap)) {
return false;
@@ -415,12 +409,11 @@ bool CCodec_TiffContext::Decode8bppRGB(
return true;
}
-bool CCodec_TiffContext::Decode24bppRGB(
- const CFX_RetainPtr<CFX_DIBitmap>& pDIBitmap,
- int32_t height,
- int32_t width,
- uint16_t bps,
- uint16_t spp) {
+bool CTiffContext::Decode24bppRGB(const CFX_RetainPtr<CFX_DIBitmap>& pDIBitmap,
+ int32_t height,
+ int32_t width,
+ uint16_t bps,
+ uint16_t spp) {
if (pDIBitmap->GetBPP() != 24 || !IsSupport(pDIBitmap))
return false;
@@ -444,7 +437,7 @@ bool CCodec_TiffContext::Decode24bppRGB(
return true;
}
-bool CCodec_TiffContext::Decode(const CFX_RetainPtr<CFX_DIBitmap>& pDIBitmap) {
+bool CTiffContext::Decode(const CFX_RetainPtr<CFX_DIBitmap>& pDIBitmap) {
uint32_t img_wid = pDIBitmap->GetWidth();
uint32_t img_hei = pDIBitmap->GetHeight();
uint32_t width = 0;
@@ -485,30 +478,28 @@ bool CCodec_TiffContext::Decode(const CFX_RetainPtr<CFX_DIBitmap>& pDIBitmap) {
return false;
}
-CCodec_TiffContext* CCodec_TiffModule::CreateDecoder(
+std::unique_ptr<CCodec_TiffModule::Context> CCodec_TiffModule::CreateDecoder(
const CFX_RetainPtr<IFX_SeekableReadStream>& file_ptr) {
- auto pDecoder = pdfium::MakeUnique<CCodec_TiffContext>();
+ auto pDecoder = pdfium::MakeUnique<CTiffContext>();
if (!pDecoder->InitDecoder(file_ptr))
return nullptr;
- return pDecoder.release();
+ return pDecoder;
}
-bool CCodec_TiffModule::LoadFrameInfo(CCodec_TiffContext* ctx,
+bool CCodec_TiffModule::LoadFrameInfo(Context* pContext,
int32_t frame,
int32_t* width,
int32_t* height,
int32_t* comps,
int32_t* bpc,
CFX_DIBAttribute* pAttribute) {
+ auto* ctx = static_cast<CTiffContext*>(pContext);
return ctx->LoadFrameInfo(frame, width, height, comps, bpc, pAttribute);
}
-bool CCodec_TiffModule::Decode(CCodec_TiffContext* ctx,
+bool CCodec_TiffModule::Decode(Context* pContext,
const CFX_RetainPtr<CFX_DIBitmap>& pDIBitmap) {
+ auto* ctx = static_cast<CTiffContext*>(pContext);
return ctx->Decode(pDIBitmap);
}
-
-void CCodec_TiffModule::DestroyDecoder(CCodec_TiffContext* ctx) {
- delete ctx;
-}
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-07 06:44:06 +0000