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authorLei Zhang <thestig@chromium.org>2015-09-03 14:38:55 -0700
committerLei Zhang <thestig@chromium.org>2015-09-03 14:38:55 -0700
commit662816e763bbefe21c8c1b154328e131321f56b6 (patch)
tree99054dd12374b3c584d61f2f928de12cc4d31a58 /core/src/fpdfapi/fpdf_render
parent3b5f124fb6e0995c2f3a98433083ae02239b3115 (diff)
downloadpdfium-662816e763bbefe21c8c1b154328e131321f56b6.tar.xz
Merge to XFA: Cleanup dead code in CPDF_DIBSource::LoadJpxBitmap() and friends.
TBR=tsepez@chromium.org Review URL: https://codereview.chromium.org/1310603006 . (cherry picked from commit 097297325e0d3d00556d67885547750a2e9d4b32) Review URL: https://codereview.chromium.org/1305223010 .
Diffstat (limited to 'core/src/fpdfapi/fpdf_render')
-rw-r--r--core/src/fpdfapi/fpdf_render/fpdf_render_loadimage.cpp60
1 files changed, 25 insertions, 35 deletions
diff --git a/core/src/fpdfapi/fpdf_render/fpdf_render_loadimage.cpp b/core/src/fpdfapi/fpdf_render/fpdf_render_loadimage.cpp
index 977abe1b7b..f75453557d 100644
--- a/core/src/fpdfapi/fpdf_render/fpdf_render_loadimage.cpp
+++ b/core/src/fpdfapi/fpdf_render/fpdf_render_loadimage.cpp
@@ -62,17 +62,17 @@ FX_SAFE_DWORD CalculatePitch32(int bpp, int width) {
class JpxBitMapContext {
public:
explicit JpxBitMapContext(ICodec_JpxModule* jpx_module)
- : jpx_module_(jpx_module), ctx_(nullptr), output_offsets_(nullptr) {}
+ : jpx_module_(jpx_module), decoder_(nullptr), output_offsets_(nullptr) {}
~JpxBitMapContext() {
FX_Free(output_offsets_);
- jpx_module_->DestroyDecoder(ctx_);
+ jpx_module_->DestroyDecoder(decoder_);
}
- // Takes ownership of |ctx|.
- void set_context(void* ctx) { ctx_ = ctx; }
+ // Takes ownership of |decoder|.
+ void set_decoder(CJPX_Decoder* decoder) { decoder_ = decoder; }
- void* context() { return ctx_; }
+ CJPX_Decoder* decoder() { return decoder_; }
// Takes ownership of |output_offsets|.
void set_output_offsets(unsigned char* output_offsets) {
@@ -83,7 +83,7 @@ class JpxBitMapContext {
private:
ICodec_JpxModule* jpx_module_; // Weak pointer.
- void* ctx_; // Decoder context, owned.
+ CJPX_Decoder* decoder_; // Decoder, owned.
unsigned char* output_offsets_; // Output offsets for decoding, owned.
// Disallow evil constructors
@@ -698,74 +698,64 @@ void CPDF_DIBSource::LoadJpxBitmap() {
nonstd::unique_ptr<JpxBitMapContext> context(
new JpxBitMapContext(pJpxModule));
- context->set_context(pJpxModule->CreateDecoder(m_pStreamAcc->GetData(),
+ context->set_decoder(pJpxModule->CreateDecoder(m_pStreamAcc->GetData(),
m_pStreamAcc->GetSize(),
m_pColorSpace != nullptr));
- if (!context->context())
+ if (!context->decoder())
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);
+ FX_DWORD components = 0;
+ pJpxModule->GetImageInfo(context->decoder(), &width, &height, &components);
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())
+ if (components != (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 {
- output_nComps = codestream_nComps;
- }
- if (output_nComps == 3) {
+ if (components == 3) {
bSwapRGB = TRUE;
- } else if (output_nComps == 4) {
+ } else if (components == 4) {
m_pColorSpace = CPDF_ColorSpace::GetStockCS(PDFCS_DEVICECMYK);
- bTranslateColor = FALSE;
}
- m_nComponents = output_nComps;
+ m_nComponents = components;
}
+
FXDIB_Format format;
- if (output_nComps == 1) {
+ if (components == 1) {
format = FXDIB_8bppRgb;
- } else if (output_nComps <= 3) {
+ } else if (components <= 3) {
format = FXDIB_Rgb;
- } else if (output_nComps == 4) {
+ } else if (components == 4) {
format = FXDIB_Rgb32;
} else {
- width = (width * output_nComps + 2) / 3;
+ width = (width * components + 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->set_output_offsets(FX_Alloc(uint8_t, components));
+ for (int i = 0; i < components; ++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,
+ if (!pJpxModule->Decode(context->decoder(), m_pCachedBitmap->GetBuffer(),
+ m_pCachedBitmap->GetPitch(),
context->output_offsets())) {
m_pCachedBitmap.reset();
return;