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-rw-r--r--core/include/fpdfapi/fpdf_parser.h23
-rw-r--r--core/include/fxcodec/fx_codec.h63
-rw-r--r--core/include/fxge/fx_ge.h119
-rw-r--r--core/src/fpdfapi/fpdf_edit/fpdf_edit_create.cpp95
-rw-r--r--core/src/fpdfapi/fpdf_edit/fpdf_edit_image.cpp7
-rw-r--r--core/src/fpdfapi/fpdf_parser/fpdf_parser_decode.cpp35
-rw-r--r--core/src/fpdfapi/fpdf_parser/fpdf_parser_decode_embeddertest.cpp12
-rw-r--r--core/src/fpdfapi/fpdf_render/fpdf_render_loadimage.cpp6
-rw-r--r--core/src/fxcodec/codec/codec_int.h54
-rw-r--r--core/src/fxcodec/codec/fx_codec.cpp115
-rw-r--r--core/src/fxcodec/codec/fx_codec_fax.cpp187
-rw-r--r--core/src/fxcodec/codec/fx_codec_flate.cpp201
-rw-r--r--core/src/fxcodec/codec/fx_codec_jpeg.cpp229
-rw-r--r--core/src/fxge/ge/fx_ge_ps.cpp699
14 files changed, 182 insertions, 1663 deletions
diff --git a/core/include/fpdfapi/fpdf_parser.h b/core/include/fpdfapi/fpdf_parser.h
index 752df789da..1e2706ddcf 100644
--- a/core/include/fpdfapi/fpdf_parser.h
+++ b/core/include/fpdfapi/fpdf_parser.h
@@ -826,18 +826,19 @@ CFX_WideString FPDF_FileSpec_GetWin32Path(const CPDF_Object* pFileSpec);
void FPDF_FileSpec_SetWin32Path(CPDF_Object* pFileSpec,
const CFX_WideString& fullpath);
-void FlateEncode(const uint8_t* src_buf,
+bool FlateEncode(const uint8_t* src_buf,
FX_DWORD src_size,
- uint8_t*& dest_buf,
- FX_DWORD& dest_size);
-void FlateEncode(const uint8_t* src_buf,
- FX_DWORD src_size,
- int predictor,
- int Colors,
- int BitsPerComponent,
- int Columns,
- uint8_t*& dest_buf,
- FX_DWORD& dest_size);
+ uint8_t** dest_buf,
+ FX_DWORD* dest_size);
+
+// This used to have more parameters like the predictor and bpc, but there was
+// only one callers, so the interface has been simplified, the values are hard
+// coded, and dead code has been removed.
+bool PngEncode(const uint8_t* src_buf,
+ FX_DWORD src_size,
+ uint8_t** dest_buf,
+ FX_DWORD* dest_size);
+
FX_DWORD FlateDecode(const uint8_t* src_buf,
FX_DWORD src_size,
uint8_t*& dest_buf,
diff --git a/core/include/fxcodec/fx_codec.h b/core/include/fxcodec/fx_codec.h
index c068a08025..593940df84 100644
--- a/core/include/fxcodec/fx_codec.h
+++ b/core/include/fxcodec/fx_codec.h
@@ -25,7 +25,6 @@ class ICodec_JpxModule;
class ICodec_Jbig2Module;
class ICodec_IccModule;
class ICodec_FlateModule;
-class ICodec_Jbig2Encoder;
class ICodec_ScanlineDecoder;
class CCodec_ModuleMgr {
@@ -52,14 +51,6 @@ class CCodec_ModuleMgr {
class ICodec_BasicModule {
public:
virtual ~ICodec_BasicModule() {}
- virtual FX_BOOL RunLengthEncode(const uint8_t* src_buf,
- FX_DWORD src_size,
- uint8_t*& dest_buf,
- FX_DWORD& dest_size) = 0;
- virtual FX_BOOL A85Encode(const uint8_t* src_buf,
- FX_DWORD src_size,
- uint8_t*& dest_buf,
- FX_DWORD& dest_size) = 0;
virtual ICodec_ScanlineDecoder* CreateRunLengthDecoder(const uint8_t* src_buf,
FX_DWORD src_size,
int width,
@@ -117,18 +108,14 @@ class ICodec_FlateModule {
FX_DWORD estimated_size,
uint8_t*& dest_buf,
FX_DWORD& dest_size) = 0;
- virtual FX_BOOL Encode(const uint8_t* src_buf,
+ virtual bool Encode(const uint8_t* src_buf,
+ FX_DWORD src_size,
+ uint8_t** dest_buf,
+ FX_DWORD* dest_size) = 0;
+ virtual bool PngEncode(const uint8_t* src_buf,
FX_DWORD src_size,
- int predictor,
- int Colors,
- int BitsPerComponent,
- int Columns,
- uint8_t*& dest_buf,
- FX_DWORD& dest_size) = 0;
- virtual FX_BOOL Encode(const uint8_t* src_buf,
- FX_DWORD src_size,
- uint8_t*& dest_buf,
- FX_DWORD& dest_size) = 0;
+ uint8_t** dest_buf,
+ FX_DWORD* dest_size) = 0;
};
class ICodec_FaxModule {
public:
@@ -144,14 +131,8 @@ class ICodec_FaxModule {
FX_BOOL BlackIs1,
int Columns,
int Rows) = 0;
-
- virtual FX_BOOL Encode(const uint8_t* src_buf,
- int width,
- int height,
- int pitch,
- uint8_t*& dest_buf,
- FX_DWORD& dest_size) = 0;
};
+
class ICodec_JpegModule {
public:
virtual ~ICodec_JpegModule() {}
@@ -163,22 +144,13 @@ class ICodec_JpegModule {
int nComps,
FX_BOOL ColorTransform) = 0;
- virtual FX_BOOL LoadInfo(const uint8_t* src_buf,
- FX_DWORD src_size,
- int& width,
- int& height,
- int& num_components,
- int& bits_per_components,
- FX_BOOL& color_transform,
- uint8_t** icc_buf_ptr = NULL,
- FX_DWORD* icc_length = NULL) = 0;
-
- virtual FX_BOOL Encode(const class CFX_DIBSource* pSource,
- uint8_t*& dest_buf,
- FX_STRSIZE& dest_size,
- int quality = 75,
- const uint8_t* icc_buf = NULL,
- FX_DWORD icc_length = 0) = 0;
+ virtual bool LoadInfo(const uint8_t* src_buf,
+ FX_DWORD src_size,
+ int* width,
+ int* height,
+ int* num_components,
+ int* bits_per_components,
+ bool* color_transform) = 0;
virtual void* Start() = 0;
@@ -242,10 +214,7 @@ class ICodec_Jbig2Module {
IFX_Pause* pPause) = 0;
virtual void DestroyJbig2Context(void* pJbig2Content) = 0;
};
-class ICodec_Jbig2Encoder {
- public:
- virtual ~ICodec_Jbig2Encoder() {}
-};
+
class ICodec_IccModule {
public:
typedef enum {
diff --git a/core/include/fxge/fx_ge.h b/core/include/fxge/fx_ge.h
index 01a1c72a8f..e2a400e83d 100644
--- a/core/include/fxge/fx_ge.h
+++ b/core/include/fxge/fx_ge.h
@@ -608,123 +608,4 @@ class IFX_RenderDeviceDriver {
virtual void ClearDriver() {}
};
-class IFX_PSOutput {
- public:
- virtual void Release() = 0;
- virtual void OutputPS(const FX_CHAR* string, int len) = 0;
-
- protected:
- virtual ~IFX_PSOutput() {}
-};
-
-class CPSFont;
-class CFX_PSRenderer {
- public:
- CFX_PSRenderer();
-
- ~CFX_PSRenderer();
-
- void Init(IFX_PSOutput* pOutput,
- int ps_level,
- int width,
- int height,
- FX_BOOL bCmykOutput);
- FX_BOOL StartRendering();
- void EndRendering();
-
- void SaveState();
-
- void RestoreState(FX_BOOL bKeepSaved = FALSE);
-
- void SetClip_PathFill(const CFX_PathData* pPathData,
- const CFX_Matrix* pObject2Device,
- int fill_mode);
-
- void SetClip_PathStroke(const CFX_PathData* pPathData,
- const CFX_Matrix* pObject2Device,
- const CFX_GraphStateData* pGraphState);
-
- FX_RECT GetClipBox() { return m_ClipBox; }
-
- FX_BOOL DrawPath(const CFX_PathData* pPathData,
- const CFX_Matrix* pObject2Device,
- const CFX_GraphStateData* pGraphState,
- FX_DWORD fill_color,
- FX_DWORD stroke_color,
- int fill_mode,
- int alpha_flag = 0,
- void* pIccTransform = NULL);
-
- FX_BOOL SetDIBits(const CFX_DIBSource* pBitmap,
- FX_DWORD color,
- int dest_left,
- int dest_top,
- int alpha_flag = 0,
- void* pIccTransform = NULL);
-
- FX_BOOL StretchDIBits(const CFX_DIBSource* pBitmap,
- FX_DWORD color,
- int dest_left,
- int dest_top,
- int dest_width,
- int dest_height,
- FX_DWORD flags,
- int alpha_flag = 0,
- void* pIccTransform = NULL);
-
- FX_BOOL DrawDIBits(const CFX_DIBSource* pBitmap,
- FX_DWORD color,
- const CFX_Matrix* pMatrix,
- FX_DWORD flags,
- int alpha_flag = 0,
- void* pIccTransform = NULL);
-
- FX_BOOL DrawText(int nChars,
- const FXTEXT_CHARPOS* pCharPos,
- CFX_Font* pFont,
- CFX_FontCache* pCache,
- const CFX_Matrix* pObject2Device,
- FX_FLOAT font_size,
- FX_DWORD color,
- int alpha_flag = 0,
- void* pIccTransform = NULL);
-
- private:
- IFX_PSOutput* m_pOutput;
-
- int m_PSLevel;
-
- CFX_GraphStateData m_CurGraphState;
-
- FX_BOOL m_bGraphStateSet;
-
- FX_BOOL m_bCmykOutput;
-
- FX_BOOL m_bColorSet;
-
- FX_DWORD m_LastColor;
-
- FX_RECT m_ClipBox;
-
- CFX_ArrayTemplate<CPSFont*> m_PSFontList;
-
- CFX_ArrayTemplate<FX_RECT> m_ClipBoxStack;
- FX_BOOL m_bInited;
-
- void OutputPath(const CFX_PathData* pPathData,
- const CFX_Matrix* pObject2Device);
-
- void SetGraphState(const CFX_GraphStateData* pGraphState);
-
- void SetColor(FX_DWORD color, int alpha_flag, void* pIccTransform);
-
- void FindPSFontGlyph(CFX_FaceCache* pFaceCache,
- CFX_Font* pFont,
- const FXTEXT_CHARPOS& charpos,
- int& ps_fontnum,
- int& ps_glyphindex);
-
- void WritePSBinary(const uint8_t* data, int len);
-};
-
#endif // CORE_INCLUDE_FXGE_FX_GE_H_
diff --git a/core/src/fpdfapi/fpdf_edit/fpdf_edit_create.cpp b/core/src/fpdfapi/fpdf_edit/fpdf_edit_create.cpp
index 49ec0bae92..1151c6390e 100644
--- a/core/src/fpdfapi/fpdf_edit/fpdf_edit_create.cpp
+++ b/core/src/fpdfapi/fpdf_edit/fpdf_edit_create.cpp
@@ -307,11 +307,11 @@ class CPDF_FlateEncoder {
public:
CPDF_FlateEncoder();
~CPDF_FlateEncoder();
- FX_BOOL Initialize(CPDF_Stream* pStream, FX_BOOL bFlateEncode);
- FX_BOOL Initialize(const uint8_t* pBuffer,
- FX_DWORD size,
- FX_BOOL bFlateEncode,
- FX_BOOL bXRefStream = FALSE);
+ bool Initialize(CPDF_Stream* pStream, FX_BOOL bFlateEncode);
+ bool Initialize(const uint8_t* pBuffer,
+ FX_DWORD size,
+ bool bFlateEncode,
+ bool bXRefStream);
void CloneDict();
uint8_t* m_pData;
FX_DWORD m_dwSize;
@@ -334,8 +334,7 @@ void CPDF_FlateEncoder::CloneDict() {
m_bCloned = TRUE;
}
}
-FX_BOOL CPDF_FlateEncoder::Initialize(CPDF_Stream* pStream,
- FX_BOOL bFlateEncode) {
+bool CPDF_FlateEncoder::Initialize(CPDF_Stream* pStream, FX_BOOL bFlateEncode) {
m_Acc.LoadAllData(pStream, TRUE);
if ((pStream && pStream->GetDict() &&
pStream->GetDict()->KeyExist("Filter")) ||
@@ -354,36 +353,41 @@ FX_BOOL CPDF_FlateEncoder::Initialize(CPDF_Stream* pStream,
m_dwSize = m_Acc.GetSize();
m_pDict = pStream->GetDict();
}
- return TRUE;
+ return true;
}
- m_pData = NULL;
+ m_pData = nullptr;
m_dwSize = 0;
m_bNewData = TRUE;
m_bCloned = TRUE;
- ::FlateEncode(m_Acc.GetData(), m_Acc.GetSize(), m_pData, m_dwSize);
+ if (!::FlateEncode(m_Acc.GetData(), m_Acc.GetSize(), &m_pData, &m_dwSize))
+ return false;
+
m_pDict = ToDictionary(pStream->GetDict()->Clone());
m_pDict->SetAtInteger("Length", m_dwSize);
m_pDict->SetAtName("Filter", "FlateDecode");
m_pDict->RemoveAt("DecodeParms");
- return TRUE;
+ return true;
}
-FX_BOOL CPDF_FlateEncoder::Initialize(const uint8_t* pBuffer,
- FX_DWORD size,
- FX_BOOL bFlateEncode,
- FX_BOOL bXRefStream) {
+
+bool CPDF_FlateEncoder::Initialize(const uint8_t* pBuffer,
+ FX_DWORD size,
+ bool bFlateEncode,
+ bool bXRefStream) {
if (!bFlateEncode) {
m_pData = (uint8_t*)pBuffer;
m_dwSize = size;
- return TRUE;
+ return true;
}
m_bNewData = TRUE;
+ bool ret;
if (bXRefStream) {
- ::FlateEncode(pBuffer, size, 12, 1, 8, 7, m_pData, m_dwSize);
+ ret = ::PngEncode(pBuffer, size, &m_pData, &m_dwSize);
} else {
- ::FlateEncode(pBuffer, size, m_pData, m_dwSize);
+ ret = ::FlateEncode(pBuffer, size, &m_pData, &m_dwSize);
}
- return TRUE;
+ return ret;
}
+
CPDF_FlateEncoder::~CPDF_FlateEncoder() {
if (m_bCloned && m_pDict) {
m_pDict->Release();
@@ -518,11 +522,15 @@ FX_FILESIZE CPDF_ObjectStream::End(CPDF_Creator* pCreator) {
} else {
tempBuffer << m_Buffer;
CPDF_FlateEncoder encoder;
- encoder.Initialize(tempBuffer.GetBuffer(), tempBuffer.GetLength(),
- pCreator->m_bCompress);
+ if (!encoder.Initialize(tempBuffer.GetBuffer(), tempBuffer.GetLength(),
+ pCreator->m_bCompress, false)) {
+ return -1;
+ }
CPDF_Encryptor encryptor;
- encryptor.Initialize(pHandler, m_dwObjNum, encoder.m_pData,
- encoder.m_dwSize);
+ if (!encryptor.Initialize(pHandler, m_dwObjNum, encoder.m_pData,
+ encoder.m_dwSize)) {
+ return -1;
+ }
if ((len = pFile->AppendDWord(encryptor.m_dwSize)) < 0) {
return -1;
}
@@ -768,22 +776,21 @@ FX_BOOL CPDF_XRefStream::GenerateXRefStream(CPDF_Creator* pCreator,
}
offset += len + 6;
}
- FX_BOOL bPredictor = TRUE;
CPDF_FlateEncoder encoder;
- encoder.Initialize(m_Buffer.GetBuffer(), m_Buffer.GetLength(),
- pCreator->m_bCompress, bPredictor);
+ if (!encoder.Initialize(m_Buffer.GetBuffer(), m_Buffer.GetLength(),
+ pCreator->m_bCompress, true)) {
+ return FALSE;
+ }
if (pCreator->m_bCompress) {
if (pFile->AppendString("/Filter /FlateDecode") < 0) {
return FALSE;
}
offset += 20;
- if (bPredictor) {
- if ((len = pFile->AppendString(
- "/DecodeParms<</Columns 7/Predictor 12>>")) < 0) {
- return FALSE;
- }
- offset += len;
+ if ((len = pFile->AppendString("/DecodeParms<</Columns 7/Predictor 12>>")) <
+ 0) {
+ return FALSE;
}
+ offset += len;
}
if (pFile->AppendString("/Length ") < 0) {
return FALSE;
@@ -1002,8 +1009,10 @@ int32_t CPDF_Creator::WriteStream(const CPDF_Object* pStream,
FX_DWORD objnum,
CPDF_CryptoHandler* pCrypto) {
CPDF_FlateEncoder encoder;
- encoder.Initialize(const_cast<CPDF_Stream*>(pStream->AsStream()),
- pStream == m_pMetadata ? FALSE : m_bCompress);
+ if (!encoder.Initialize(const_cast<CPDF_Stream*>(pStream->AsStream()),
+ pStream == m_pMetadata ? FALSE : m_bCompress)) {
+ return -1;
+ }
CPDF_Encryptor encryptor;
if (!encryptor.Initialize(pCrypto, objnum, encoder.m_pData,
encoder.m_dwSize)) {
@@ -1107,8 +1116,10 @@ int32_t CPDF_Creator::WriteDirectObj(FX_DWORD objnum,
break;
}
CPDF_Encryptor encryptor;
- encryptor.Initialize(m_pCryptoHandler, objnum, (uint8_t*)str.c_str(),
- str.GetLength());
+ if (!encryptor.Initialize(m_pCryptoHandler, objnum, (uint8_t*)str.c_str(),
+ str.GetLength())) {
+ return -1;
+ }
CFX_ByteString content = PDF_EncodeString(
CFX_ByteString((const FX_CHAR*)encryptor.m_pData, encryptor.m_dwSize),
bHex);
@@ -1120,11 +1131,17 @@ int32_t CPDF_Creator::WriteDirectObj(FX_DWORD objnum,
}
case PDFOBJ_STREAM: {
CPDF_FlateEncoder encoder;
- encoder.Initialize(const_cast<CPDF_Stream*>(pObj->AsStream()),
- m_bCompress);
+ if (!encoder.Initialize(const_cast<CPDF_Stream*>(pObj->AsStream()),
+ m_bCompress)) {
+ return -1;
+ }
+
CPDF_Encryptor encryptor;
CPDF_CryptoHandler* pHandler = m_pCryptoHandler;
- encryptor.Initialize(pHandler, objnum, encoder.m_pData, encoder.m_dwSize);
+ if (!encryptor.Initialize(pHandler, objnum, encoder.m_pData,
+ encoder.m_dwSize)) {
+ return -1;
+ }
if ((FX_DWORD)encoder.m_pDict->GetInteger("Length") !=
encryptor.m_dwSize) {
encoder.CloneDict();
diff --git a/core/src/fpdfapi/fpdf_edit/fpdf_edit_image.cpp b/core/src/fpdfapi/fpdf_edit/fpdf_edit_image.cpp
index 2b68a0403f..386c49d005 100644
--- a/core/src/fpdfapi/fpdf_edit/fpdf_edit_image.cpp
+++ b/core/src/fpdfapi/fpdf_edit/fpdf_edit_image.cpp
@@ -16,11 +16,12 @@ CPDF_Dictionary* CPDF_Image::InitJPEG(uint8_t* pData, FX_DWORD size) {
int32_t height;
int32_t num_comps;
int32_t bits;
- FX_BOOL color_trans;
+ bool color_trans;
if (!CPDF_ModuleMgr::Get()->GetJpegModule()->LoadInfo(
- pData, size, width, height, num_comps, bits, color_trans)) {
- return NULL;
+ pData, size, &width, &height, &num_comps, &bits, &color_trans)) {
+ return nullptr;
}
+
CPDF_Dictionary* pDict = new CPDF_Dictionary;
pDict->SetAtName("Type", "XObject");
pDict->SetAtName("Subtype", "Image");
diff --git a/core/src/fpdfapi/fpdf_parser/fpdf_parser_decode.cpp b/core/src/fpdfapi/fpdf_parser/fpdf_parser_decode.cpp
index c855a7c5c2..8832940f80 100644
--- a/core/src/fpdfapi/fpdf_parser/fpdf_parser_decode.cpp
+++ b/core/src/fpdfapi/fpdf_parser/fpdf_parser_decode.cpp
@@ -540,30 +540,27 @@ CFX_ByteString PDF_EncodeString(const CFX_ByteString& src, FX_BOOL bHex) {
result.AppendChar(')');
return result.GetByteString();
}
-void FlateEncode(const uint8_t* src_buf,
+
+bool FlateEncode(const uint8_t* src_buf,
FX_DWORD src_size,
- uint8_t*& dest_buf,
- FX_DWORD& dest_size) {
+ uint8_t** dest_buf,
+ FX_DWORD* dest_size) {
CCodec_ModuleMgr* pEncoders = CPDF_ModuleMgr::Get()->GetCodecModule();
- if (pEncoders) {
- pEncoders->GetFlateModule()->Encode(src_buf, src_size, dest_buf, dest_size);
- }
+ return pEncoders &&
+ pEncoders->GetFlateModule()->Encode(src_buf, src_size, dest_buf,
+ dest_size);
}
-void FlateEncode(const uint8_t* src_buf,
- FX_DWORD src_size,
- int predictor,
- int Colors,
- int BitsPerComponent,
- int Columns,
- uint8_t*& dest_buf,
- FX_DWORD& dest_size) {
+
+bool PngEncode(const uint8_t* src_buf,
+ FX_DWORD src_size,
+ uint8_t** dest_buf,
+ FX_DWORD* dest_size) {
CCodec_ModuleMgr* pEncoders = CPDF_ModuleMgr::Get()->GetCodecModule();
- if (pEncoders) {
- pEncoders->GetFlateModule()->Encode(src_buf, src_size, predictor, Colors,
- BitsPerComponent, Columns, dest_buf,
- dest_size);
- }
+ return pEncoders &&
+ pEncoders->GetFlateModule()->Encode(src_buf, src_size, dest_buf,
+ dest_size);
}
+
FX_DWORD FlateDecode(const uint8_t* src_buf,
FX_DWORD src_size,
uint8_t*& dest_buf,
diff --git a/core/src/fpdfapi/fpdf_parser/fpdf_parser_decode_embeddertest.cpp b/core/src/fpdfapi/fpdf_parser/fpdf_parser_decode_embeddertest.cpp
index c80770366b..810a633c83 100644
--- a/core/src/fpdfapi/fpdf_parser/fpdf_parser_decode_embeddertest.cpp
+++ b/core/src/fpdfapi/fpdf_parser/fpdf_parser_decode_embeddertest.cpp
@@ -47,14 +47,14 @@ TEST_F(FPDFParserDecodeEmbeddertest, FlateEncode) {
for (size_t i = 0; i < FX_ArraySize(flate_encode_cases); ++i) {
FlateEncodeCase* ptr = &flate_encode_cases[i];
- unsigned char* result;
- unsigned int result_size;
- FlateEncode(ptr->input, ptr->input_size, result, result_size);
- ASSERT_TRUE(result);
+ unsigned char* buf;
+ unsigned int buf_size;
+ EXPECT_TRUE(FlateEncode(ptr->input, ptr->input_size, &buf, &buf_size));
+ ASSERT_TRUE(buf);
EXPECT_EQ(std::string((const char*)ptr->expected, ptr->expected_size),
- std::string((const char*)result, result_size))
+ std::string((const char*)buf, buf_size))
<< " for case " << i;
- FX_Free(result);
+ FX_Free(buf);
}
}
diff --git a/core/src/fpdfapi/fpdf_render/fpdf_render_loadimage.cpp b/core/src/fpdfapi/fpdf_render/fpdf_render_loadimage.cpp
index 0306ff0227..c107c002c2 100644
--- a/core/src/fpdfapi/fpdf_render/fpdf_render_loadimage.cpp
+++ b/core/src/fpdfapi/fpdf_render/fpdf_render_loadimage.cpp
@@ -615,11 +615,11 @@ int CPDF_DIBSource::CreateDecoder() {
src_data, src_size, m_Width, m_Height, m_nComponents,
pParams ? pParams->GetInteger("ColorTransform", 1) : 1);
if (!m_pDecoder) {
- FX_BOOL bTransform = FALSE;
+ 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 (pJpegModule->LoadInfo(src_data, src_size, &m_Width, &m_Height, &comps,
+ &bpc, &bTransform)) {
if (m_nComponents != comps) {
FX_Free(m_pCompData);
m_nComponents = comps;
diff --git a/core/src/fxcodec/codec/codec_int.h b/core/src/fxcodec/codec/codec_int.h
index 1495f9e680..c3daf3bdf2 100644
--- a/core/src/fxcodec/codec/codec_int.h
+++ b/core/src/fxcodec/codec/codec_int.h
@@ -22,14 +22,6 @@ class CFX_IccTransformCache;
class CCodec_BasicModule : public ICodec_BasicModule {
public:
// ICodec_BasicModule:
- FX_BOOL RunLengthEncode(const uint8_t* src_buf,
- FX_DWORD src_size,
- uint8_t*& dest_buf,
- FX_DWORD& dest_size) override;
- FX_BOOL A85Encode(const uint8_t* src_buf,
- FX_DWORD src_size,
- uint8_t*& dest_buf,
- FX_DWORD& dest_size) override;
ICodec_ScanlineDecoder* CreateRunLengthDecoder(const uint8_t* src_buf,
FX_DWORD src_size,
int width,
@@ -113,12 +105,6 @@ class CCodec_FaxModule : public ICodec_FaxModule {
FX_BOOL BlackIs1,
int Columns,
int Rows) override;
- FX_BOOL Encode(const uint8_t* src_buf,
- int width,
- int height,
- int pitch,
- uint8_t*& dest_buf,
- FX_DWORD& dest_size) override;
};
class CCodec_FlateModule : public ICodec_FlateModule {
@@ -144,18 +130,14 @@ class CCodec_FlateModule : public ICodec_FlateModule {
FX_DWORD estimated_size,
uint8_t*& dest_buf,
FX_DWORD& dest_size);
- virtual FX_BOOL Encode(const uint8_t* src_buf,
+ virtual bool Encode(const uint8_t* src_buf,
+ FX_DWORD src_size,
+ uint8_t** dest_buf,
+ FX_DWORD* dest_size);
+ virtual bool PngEncode(const uint8_t* src_buf,
FX_DWORD src_size,
- int predictor,
- int Colors,
- int BitsPerComponent,
- int Columns,
- uint8_t*& dest_buf,
- FX_DWORD& dest_size);
- virtual FX_BOOL Encode(const uint8_t* src_buf,
- FX_DWORD src_size,
- uint8_t*& dest_buf,
- FX_DWORD& dest_size);
+ uint8_t** dest_buf,
+ FX_DWORD* dest_size);
};
class CCodec_JpegModule : public ICodec_JpegModule {
@@ -167,21 +149,13 @@ class CCodec_JpegModule : public ICodec_JpegModule {
int height,
int nComps,
FX_BOOL ColorTransform) override;
- FX_BOOL LoadInfo(const uint8_t* src_buf,
- FX_DWORD src_size,
- int& width,
- int& height,
- int& num_components,
- int& bits_per_components,
- FX_BOOL& color_transform,
- uint8_t** icc_buf_ptr,
- FX_DWORD* icc_length) override;
- FX_BOOL Encode(const CFX_DIBSource* pSource,
- uint8_t*& dest_buf,
- FX_STRSIZE& dest_size,
- int quality,
- const uint8_t* icc_buf,
- FX_DWORD icc_length) override;
+ bool LoadInfo(const uint8_t* src_buf,
+ FX_DWORD src_size,
+ int* width,
+ int* height,
+ int* num_components,
+ int* bits_per_components,
+ bool* color_transform) override;
void* Start() override;
void Finish(void* pContext) override;
void Input(void* pContext,
diff --git a/core/src/fxcodec/codec/fx_codec.cpp b/core/src/fxcodec/codec/fx_codec.cpp
index 6998114f83..d7c7c4eeb4 100644
--- a/core/src/fxcodec/codec/fx_codec.cpp
+++ b/core/src/fxcodec/codec/fx_codec.cpp
@@ -142,121 +142,6 @@ void CCodec_ScanlineDecoder::DownScale(int dest_width, int dest_height) {
m_pDataCache = nonstd::move(cache);
}
-FX_BOOL CCodec_BasicModule::RunLengthEncode(const uint8_t* src_buf,
- FX_DWORD src_size,
- uint8_t*& dest_buf,
- FX_DWORD& dest_size) {
- return FALSE;
-}
-
-#define EXPONENT_DETECT(ptr) \
- for (;; ptr++) { \
- if (!std::isdigit(*ptr)) { \
- if (endptr) \
- *endptr = (char*)ptr; \
- break; \
- } else { \
- exp_ret *= 10; \
- exp_ret += FXSYS_toDecimalDigit(*ptr); \
- continue; \
- } \
- }
-
-extern "C" double FXstrtod(const char* nptr, char** endptr) {
- double ret = 0.0;
- const char* ptr = nptr;
- const char* exp_ptr = NULL;
- int e_number = 0, e_signal = 0, e_point = 0, is_negative = 0;
- int exp_ret = 0, exp_sig = 1, fra_ret = 0, fra_count = 0, fra_base = 1;
- if (!nptr) {
- return 0.0;
- }
- for (;; ptr++) {
- if (!e_number && !e_point && (*ptr == '\t' || *ptr == ' '))
- continue;
-
- if (std::isdigit(*ptr)) {
- if (!e_number)
- e_number = 1;
-
- if (!e_point) {
- ret *= 10;
- ret += FXSYS_toDecimalDigit(*ptr);
- } else {
- fra_count++;
- fra_ret *= 10;
- fra_ret += FXSYS_toDecimalDigit(*ptr);
- }
- continue;
- }
- if (!e_point && *ptr == '.') {
- e_point = 1;
- continue;
- }
- if (!e_number && !e_point && !e_signal) {
- switch (*ptr) {
- case '-':
- is_negative = 1;
- case '+':
- e_signal = 1;
- continue;
- }
- }
- if (e_number && (*ptr == 'e' || *ptr == 'E')) {
- exp_ptr = ptr++;
- if (*ptr == '+' || *ptr == '-') {
- exp_sig = (*ptr++ == '+') ? 1 : -1;
- if (!std::isdigit(*ptr)) {
- if (endptr) {
- *endptr = (char*)exp_ptr;
- }
- break;
- }
- EXPONENT_DETECT(ptr);
- } else if (std::isdigit(*ptr)) {
- EXPONENT_DETECT(ptr);
- } else {
- if (endptr) {
- *endptr = (char*)exp_ptr;
- }
- break;
- }
- break;
- }
- if (ptr != nptr && !e_number) {
- if (endptr) {
- *endptr = (char*)nptr;
- }
- break;
- }
- if (endptr) {
- *endptr = (char*)ptr;
- }
- break;
- }
- while (fra_count--) {
- fra_base *= 10;
- }
- ret += (double)fra_ret / (double)fra_base;
- if (exp_sig == 1) {
- while (exp_ret--) {
- ret *= 10.0;
- }
- } else {
- while (exp_ret--) {
- ret /= 10.0;
- }
- }
- return is_negative ? -ret : ret;
-}
-#undef EXPONENT_DETECT
-
-FX_BOOL CCodec_BasicModule::A85Encode(const uint8_t* src_buf,
- FX_DWORD src_size,
- uint8_t*& dest_buf,
- FX_DWORD& dest_size) {
- return FALSE;
-}
class CCodec_RLScanlineDecoder : public CCodec_ScanlineDecoder {
public:
CCodec_RLScanlineDecoder();
diff --git a/core/src/fxcodec/codec/fx_codec_fax.cpp b/core/src/fxcodec/codec/fx_codec_fax.cpp
index b198e74784..686fc08b61 100644
--- a/core/src/fxcodec/codec/fx_codec_fax.cpp
+++ b/core/src/fxcodec/codec/fx_codec_fax.cpp
@@ -466,134 +466,6 @@ FX_BOOL FaxGet1DLine(const uint8_t* src_buf,
return TRUE;
}
-const uint8_t BlackRunTerminator[128] = {
- 0x37, 10, 0x02, 3, 0x03, 2, 0x02, 2, 0x03, 3, 0x03, 4, 0x02, 4,
- 0x03, 5, 0x05, 6, 0x04, 6, 0x04, 7, 0x05, 7, 0x07, 7, 0x04, 8,
- 0x07, 8, 0x18, 9, 0x17, 10, 0x18, 10, 0x08, 10, 0x67, 11, 0x68, 11,
- 0x6c, 11, 0x37, 11, 0x28, 11, 0x17, 11, 0x18, 11, 0xca, 12, 0xcb, 12,
- 0xcc, 12, 0xcd, 12, 0x68, 12, 0x69, 12, 0x6a, 12, 0x6b, 12, 0xd2, 12,
- 0xd3, 12, 0xd4, 12, 0xd5, 12, 0xd6, 12, 0xd7, 12, 0x6c, 12, 0x6d, 12,
- 0xda, 12, 0xdb, 12, 0x54, 12, 0x55, 12, 0x56, 12, 0x57, 12, 0x64, 12,
- 0x65, 12, 0x52, 12, 0x53, 12, 0x24, 12, 0x37, 12, 0x38, 12, 0x27, 12,
- 0x28, 12, 0x58, 12, 0x59, 12, 0x2b, 12, 0x2c, 12, 0x5a, 12, 0x66, 12,
- 0x67, 12,
-};
-
-const uint8_t BlackRunMarkup[80] = {
- 0x0f, 10, 0xc8, 12, 0xc9, 12, 0x5b, 12, 0x33, 12, 0x34, 12, 0x35, 12,
- 0x6c, 13, 0x6d, 13, 0x4a, 13, 0x4b, 13, 0x4c, 13, 0x4d, 13, 0x72, 13,
- 0x73, 13, 0x74, 13, 0x75, 13, 0x76, 13, 0x77, 13, 0x52, 13, 0x53, 13,
- 0x54, 13, 0x55, 13, 0x5a, 13, 0x5b, 13, 0x64, 13, 0x65, 13, 0x08, 11,
- 0x0c, 11, 0x0d, 11, 0x12, 12, 0x13, 12, 0x14, 12, 0x15, 12, 0x16, 12,
- 0x17, 12, 0x1c, 12, 0x1d, 12, 0x1e, 12, 0x1f, 12,
-};
-
-const uint8_t WhiteRunTerminator[128] = {
- 0x35, 8, 0x07, 6, 0x07, 4, 0x08, 4, 0x0B, 4, 0x0C, 4, 0x0E, 4, 0x0F, 4,
- 0x13, 5, 0x14, 5, 0x07, 5, 0x08, 5, 0x08, 6, 0x03, 6, 0x34, 6, 0x35, 6,
- 0x2a, 6, 0x2B, 6, 0x27, 7, 0x0c, 7, 0x08, 7, 0x17, 7, 0x03, 7, 0x04, 7,
- 0x28, 7, 0x2B, 7, 0x13, 7, 0x24, 7, 0x18, 7, 0x02, 8, 0x03, 8, 0x1a, 8,
- 0x1b, 8, 0x12, 8, 0x13, 8, 0x14, 8, 0x15, 8, 0x16, 8, 0x17, 8, 0x28, 8,
- 0x29, 8, 0x2a, 8, 0x2b, 8, 0x2c, 8, 0x2d, 8, 0x04, 8, 0x05, 8, 0x0a, 8,
- 0x0b, 8, 0x52, 8, 0x53, 8, 0x54, 8, 0x55, 8, 0x24, 8, 0x25, 8, 0x58, 8,
- 0x59, 8, 0x5a, 8, 0x5b, 8, 0x4a, 8, 0x4b, 8, 0x32, 8, 0x33, 8, 0x34, 8,
-};
-
-const uint8_t WhiteRunMarkup[80] = {
- 0x1b, 5, 0x12, 5, 0x17, 6, 0x37, 7, 0x36, 8, 0x37, 8, 0x64, 8,
- 0x65, 8, 0x68, 8, 0x67, 8, 0xcc, 9, 0xcd, 9, 0xd2, 9, 0xd3, 9,
- 0xd4, 9, 0xd5, 9, 0xd6, 9, 0xd7, 9, 0xd8, 9, 0xd9, 9, 0xda, 9,
- 0xdb, 9, 0x98, 9, 0x99, 9, 0x9a, 9, 0x18, 6, 0x9b, 9, 0x08, 11,
- 0x0c, 11, 0x0d, 11, 0x12, 12, 0x13, 12, 0x14, 12, 0x15, 12, 0x16, 12,
- 0x17, 12, 0x1c, 12, 0x1d, 12, 0x1e, 12, 0x1f, 12,
-};
-
-void AddBitStream(uint8_t* dest_buf, int& dest_bitpos, int data, int bitlen) {
- for (int i = bitlen - 1; i >= 0; i--) {
- if (data & (1 << i)) {
- dest_buf[dest_bitpos / 8] |= 1 << (7 - dest_bitpos % 8);
- }
- dest_bitpos++;
- }
-}
-
-void FaxEncodeRun(uint8_t* dest_buf, int& dest_bitpos, int run, bool bWhite) {
- while (run >= 2560) {
- AddBitStream(dest_buf, dest_bitpos, 0x1f, 12);
- run -= 2560;
- }
- if (run >= 64) {
- int markup = run - run % 64;
- const uint8_t* p = bWhite ? WhiteRunMarkup : BlackRunMarkup;
- p += (markup / 64 - 1) * 2;
- AddBitStream(dest_buf, dest_bitpos, *p, p[1]);
- }
- run %= 64;
- const uint8_t* p = bWhite ? WhiteRunTerminator : BlackRunTerminator;
- p += run * 2;
- AddBitStream(dest_buf, dest_bitpos, *p, p[1]);
-}
-
-void FaxEncode2DLine(uint8_t* dest_buf,
- int& dest_bitpos,
- const uint8_t* src_buf,
- const uint8_t* ref_buf,
- int cols) {
- int a0 = -1;
- bool a0color = true;
- while (1) {
- int a1 = FindBit(src_buf, cols, a0 + 1, !a0color);
- int b1, b2;
- FaxG4FindB1B2(ref_buf, cols, a0, a0color, b1, b2);
- if (b2 < a1) {
- dest_bitpos += 3;
- dest_buf[dest_bitpos / 8] |= 1 << (7 - dest_bitpos % 8);
- dest_bitpos++;
- a0 = b2;
- } else if (a1 - b1 <= 3 && b1 - a1 <= 3) {
- int delta = a1 - b1;
- switch (delta) {
- case 0:
- dest_buf[dest_bitpos / 8] |= 1 << (7 - dest_bitpos % 8);
- break;
- case 1:
- case 2:
- case 3:
- dest_bitpos += delta == 1 ? 1 : delta + 2;
- dest_buf[dest_bitpos / 8] |= 1 << (7 - dest_bitpos % 8);
- dest_bitpos++;
- dest_buf[dest_bitpos / 8] |= 1 << (7 - dest_bitpos % 8);
- break;
- case -1:
- case -2:
- case -3:
- dest_bitpos += delta == -1 ? 1 : -delta + 2;
- dest_buf[dest_bitpos / 8] |= 1 << (7 - dest_bitpos % 8);
- dest_bitpos++;
- break;
- }
- dest_bitpos++;
- a0 = a1;
- a0color = !a0color;
- } else {
- int a2 = FindBit(src_buf, cols, a1 + 1, a0color);
- dest_bitpos++;
- dest_bitpos++;
- dest_buf[dest_bitpos / 8] |= 1 << (7 - dest_bitpos % 8);
- dest_bitpos++;
- if (a0 < 0) {
- a0 = 0;
- }
- FaxEncodeRun(dest_buf, dest_bitpos, a1 - a0, a0color);
- FaxEncodeRun(dest_buf, dest_bitpos, a2 - a1, !a0color);
- a0 = a2;
- }
- if (a0 >= cols) {
- return;
- }
- }
-}
-
} // namespace
class CCodec_FaxDecoder : public CCodec_ScanlineDecoder {
@@ -754,65 +626,6 @@ void FaxG4Decode(const uint8_t* src_buf,
*pbitpos = bitpos;
}
-class CCodec_FaxEncoder {
- public:
- CCodec_FaxEncoder(const uint8_t* src_buf, int width, int height, int pitch);
- ~CCodec_FaxEncoder();
- void Encode(uint8_t*& dest_buf, FX_DWORD& dest_size);
- void Encode2DLine(const uint8_t* scan_line);
- CFX_BinaryBuf m_DestBuf;
- uint8_t* m_pRefLine;
- uint8_t* m_pLineBuf;
- int m_Cols, m_Rows, m_Pitch;
- const uint8_t* m_pSrcBuf;
-};
-CCodec_FaxEncoder::CCodec_FaxEncoder(const uint8_t* src_buf,
- int width,
- int height,
- int pitch) {
- m_pSrcBuf = src_buf;
- m_Cols = width;
- m_Rows = height;
- m_Pitch = pitch;
- m_pRefLine = FX_Alloc(uint8_t, m_Pitch);
- FXSYS_memset(m_pRefLine, 0xff, m_Pitch);
- m_pLineBuf = FX_Alloc2D(uint8_t, m_Pitch, 8);
- m_DestBuf.EstimateSize(0, 10240);
-}
-CCodec_FaxEncoder::~CCodec_FaxEncoder() {
- FX_Free(m_pRefLine);
- FX_Free(m_pLineBuf);
-}
-void CCodec_FaxEncoder::Encode(uint8_t*& dest_buf, FX_DWORD& dest_size) {
- int dest_bitpos = 0;
- uint8_t last_byte = 0;
- for (int i = 0; i < m_Rows; i++) {
- const uint8_t* scan_line = m_pSrcBuf + i * m_Pitch;
- FXSYS_memset(m_pLineBuf, 0, m_Pitch * 8);
- m_pLineBuf[0] = last_byte;
- FaxEncode2DLine(m_pLineBuf, dest_bitpos, scan_line, m_pRefLine, m_Cols);
- m_DestBuf.AppendBlock(m_pLineBuf, dest_bitpos / 8);
- last_byte = m_pLineBuf[dest_bitpos / 8];
- dest_bitpos %= 8;
- FXSYS_memcpy(m_pRefLine, scan_line, m_Pitch);
- }
- if (dest_bitpos) {
- m_DestBuf.AppendByte(last_byte);
- }
- dest_buf = m_DestBuf.GetBuffer();
- dest_size = m_DestBuf.GetSize();
- m_DestBuf.DetachBuffer();
-}
-FX_BOOL CCodec_FaxModule::Encode(const uint8_t* src_buf,
- int width,
- int height,
- int pitch,
- uint8_t*& dest_buf,
- FX_DWORD& dest_size) {
- CCodec_FaxEncoder encoder(src_buf, width, height, pitch);
- encoder.Encode(dest_buf, dest_size);
- return TRUE;
-}
ICodec_ScanlineDecoder* CCodec_FaxModule::CreateDecoder(
const uint8_t* src_buf,
FX_DWORD src_size,
diff --git a/core/src/fxcodec/codec/fx_codec_flate.cpp b/core/src/fxcodec/codec/fx_codec_flate.cpp
index b293781318..844a17e282 100644
--- a/core/src/fxcodec/codec/fx_codec_flate.cpp
+++ b/core/src/fxcodec/codec/fx_codec_flate.cpp
@@ -25,11 +25,11 @@ static int FPDFAPI_FlateGetTotalOut(void* context) {
static int FPDFAPI_FlateGetTotalIn(void* context) {
return ((z_stream*)context)->total_in;
}
-static void FPDFAPI_FlateCompress(unsigned char* dest_buf,
+static bool FPDFAPI_FlateCompress(unsigned char* dest_buf,
unsigned long* dest_size,
const unsigned char* src_buf,
unsigned long src_size) {
- compress(dest_buf, dest_size, src_buf, src_size);
+ return compress(dest_buf, dest_size, src_buf, src_size) == Z_OK;
}
void* FPDFAPI_FlateInit(void* (*alloc_func)(void*, unsigned int, unsigned int),
void (*free_func)(void*, void*)) {
@@ -225,7 +225,7 @@ int CLZWDecoder::Decode(uint8_t* dest_buf,
return 0;
}
-uint8_t PaethPredictor(int a, int b, int c) {
+uint8_t PathPredictor(int a, int b, int c) {
int p = a + b - c;
int pa = FXSYS_abs(p - a);
int pb = FXSYS_abs(p - b);
@@ -239,16 +239,8 @@ uint8_t PaethPredictor(int a, int b, int c) {
return (uint8_t)c;
}
-FX_BOOL PNG_PredictorEncode(uint8_t*& data_buf,
- FX_DWORD& data_size,
- int predictor,
- int Colors,
- int BitsPerComponent,
- int Columns) {
- const int BytesPerPixel = (Colors * BitsPerComponent + 7) / 8;
- const int row_size = (Colors * BitsPerComponent * Columns + 7) / 8;
- if (row_size <= 0)
- return FALSE;
+void PNG_PredictorEncode(uint8_t*& data_buf, FX_DWORD& data_size) {
+ const int row_size = 7;
const int row_count = (data_size + row_size - 1) / row_size;
const int last_row_size = data_size % row_size;
uint8_t* dest_buf = FX_Alloc2D(uint8_t, row_size + 1, row_count);
@@ -256,67 +248,12 @@ FX_BOOL PNG_PredictorEncode(uint8_t*& data_buf,
uint8_t* pSrcData = data_buf;
uint8_t* pDestData = dest_buf;
for (int row = 0; row < row_count; row++) {
- if (predictor == 10) {
- pDestData[0] = 0;
- int move_size = row_size;
- if (move_size * (row + 1) > (int)data_size) {
- move_size = data_size - (move_size * row);
- }
- FXSYS_memmove(pDestData + 1, pSrcData, move_size);
- pDestData += (move_size + 1);
- pSrcData += move_size;
- byte_cnt += move_size;
- continue;
- }
for (int byte = 0; byte < row_size && byte_cnt < (int)data_size; byte++) {
- switch (predictor) {
- case 11: {
- pDestData[0] = 1;
- uint8_t left = 0;
- if (byte >= BytesPerPixel) {
- left = pSrcData[byte - BytesPerPixel];
- }
- pDestData[byte + 1] = pSrcData[byte] - left;
- } break;
- case 12: {
pDestData[0] = 2;
uint8_t up = 0;
- if (row) {
+ if (row)
up = pSrcData[byte - row_size];
- }
pDestData[byte + 1] = pSrcData[byte] - up;
- } break;
- case 13: {
- pDestData[0] = 3;
- uint8_t left = 0;
- if (byte >= BytesPerPixel) {
- left = pSrcData[byte - BytesPerPixel];
- }
- uint8_t up = 0;
- if (row) {
- up = pSrcData[byte - row_size];
- }
- pDestData[byte + 1] = pSrcData[byte] - (left + up) / 2;
- } break;
- case 14: {
- pDestData[0] = 4;
- uint8_t left = 0;
- if (byte >= BytesPerPixel) {
- left = pSrcData[byte - BytesPerPixel];
- }
- uint8_t up = 0;
- if (row) {
- up = pSrcData[byte - row_size];
- }
- uint8_t upper_left = 0;
- if (byte >= BytesPerPixel && row) {
- upper_left = pSrcData[byte - row_size - BytesPerPixel];
- }
- pDestData[byte + 1] =
- pSrcData[byte] - PaethPredictor(left, up, upper_left);
- } break;
- default: { pDestData[byte + 1] = pSrcData[byte]; } break;
- }
byte_cnt++;
}
pDestData += (row_size + 1);
@@ -326,7 +263,6 @@ FX_BOOL PNG_PredictorEncode(uint8_t*& data_buf,
data_buf = dest_buf;
data_size = (row_size + 1) * row_count -
(last_row_size > 0 ? (row_size - last_row_size) : 0);
- return TRUE;
}
void PNG_PredictLine(uint8_t* pDestData,
@@ -386,7 +322,7 @@ void PNG_PredictLine(uint8_t* pDestData,
if (byte >= BytesPerPixel && pLastLine) {
upper_left = pLastLine[byte - BytesPerPixel];
}
- pDestData[byte] = raw_byte + PaethPredictor(left, up, upper_left);
+ pDestData[byte] = raw_byte + PathPredictor(left, up, upper_left);
break;
}
default:
@@ -471,7 +407,7 @@ FX_BOOL PNG_Predictor(uint8_t*& data_buf,
if (byte >= BytesPerPixel && row) {
upper_left = pDestData[byte - row_size - BytesPerPixel];
}
- pDestData[byte] = raw_byte + PaethPredictor(left, up, upper_left);
+ pDestData[byte] = raw_byte + PathPredictor(left, up, upper_left);
break;
}
default:
@@ -490,73 +426,6 @@ FX_BOOL PNG_Predictor(uint8_t*& data_buf,
return TRUE;
}
-void TIFF_PredictorEncodeLine(uint8_t* dest_buf,
- int row_size,
- int BitsPerComponent,
- int Colors,
- int Columns) {
- int BytesPerPixel = BitsPerComponent * Colors / 8;
- if (BitsPerComponent < 8) {
- uint8_t mask = 0x01;
- if (BitsPerComponent == 2) {
- mask = 0x03;
- } else if (BitsPerComponent == 4) {
- mask = 0x0F;
- }
- int row_bits = Colors * BitsPerComponent * Columns;
- for (int i = row_bits - BitsPerComponent; i >= BitsPerComponent;
- i -= BitsPerComponent) {
- int col = i % 8;
- int index = i / 8;
- int col_pre =
- (col == 0) ? (8 - BitsPerComponent) : (col - BitsPerComponent);
- int index_pre = (col == 0) ? (index - 1) : index;
- uint8_t cur = (dest_buf[index] >> (8 - col - BitsPerComponent)) & mask;
- uint8_t left =
- (dest_buf[index_pre] >> (8 - col_pre - BitsPerComponent)) & mask;
- cur -= left;
- cur &= mask;
- cur <<= (8 - col - BitsPerComponent);
- dest_buf[index] &= ~(mask << ((8 - col - BitsPerComponent)));
- dest_buf[index] |= cur;
- }
- } else if (BitsPerComponent == 8) {
- for (int i = row_size - 1; i >= BytesPerPixel; i--) {
- dest_buf[i] -= dest_buf[i - BytesPerPixel];
- }
- } else {
- for (int i = row_size - BytesPerPixel; i >= BytesPerPixel;
- i -= BytesPerPixel) {
- FX_WORD pixel = (dest_buf[i] << 8) | dest_buf[i + 1];
- pixel -=
- (dest_buf[i - BytesPerPixel] << 8) | dest_buf[i - BytesPerPixel + 1];
- dest_buf[i] = pixel >> 8;
- dest_buf[i + 1] = (uint8_t)pixel;
- }
- }
-}
-
-FX_BOOL TIFF_PredictorEncode(uint8_t*& data_buf,
- FX_DWORD& data_size,
- int Colors,
- int BitsPerComponent,
- int Columns) {
- int row_size = (Colors * BitsPerComponent * Columns + 7) / 8;
- if (row_size == 0)
- return FALSE;
- const int row_count = (data_size + row_size - 1) / row_size;
- const int last_row_size = data_size % row_size;
- for (int row = 0; row < row_count; row++) {
- uint8_t* scan_line = data_buf + row * row_size;
- if ((row + 1) * row_size > (int)data_size) {
- row_size = last_row_size;
- }
- TIFF_PredictorEncodeLine(scan_line, row_size, BitsPerComponent, Colors,
- Columns);
- }
- return TRUE;
-}
-
void TIFF_PredictLine(uint8_t* dest_buf,
FX_DWORD row_size,
int BitsPerComponent,
@@ -963,41 +832,29 @@ FX_DWORD CCodec_FlateModule::FlateOrLZWDecode(FX_BOOL bLZW,
}
return ret ? offset : -1;
}
-FX_BOOL CCodec_FlateModule::Encode(const uint8_t* src_buf,
+
+bool CCodec_FlateModule::Encode(const uint8_t* src_buf,
+ FX_DWORD src_size,
+ uint8_t** dest_buf,
+ FX_DWORD* dest_size) {
+ *dest_size = src_size + src_size / 1000 + 12;
+ *dest_buf = FX_Alloc(uint8_t, *dest_size);
+ unsigned long temp_size = *dest_size;
+ if (!FPDFAPI_FlateCompress(*dest_buf, &temp_size, src_buf, src_size))
+ return false;
+
+ *dest_size = (FX_DWORD)temp_size;
+ return true;
+}
+
+bool CCodec_FlateModule::PngEncode(const uint8_t* src_buf,
FX_DWORD src_size,
- int predictor,
- int Colors,
- int BitsPerComponent,
- int Columns,
- uint8_t*& dest_buf,
- FX_DWORD& dest_size) {
- if (predictor != 2 && predictor < 10) {
- return Encode(src_buf, src_size, dest_buf, dest_size);
- }
- uint8_t* pSrcBuf = NULL;
- pSrcBuf = FX_Alloc(uint8_t, src_size);
+ uint8_t** dest_buf,
+ FX_DWORD* dest_size) {
+ uint8_t* pSrcBuf = FX_Alloc(uint8_t, src_size);
FXSYS_memcpy(pSrcBuf, src_buf, src_size);
- FX_BOOL ret = TRUE;
- if (predictor == 2) {
- ret = TIFF_PredictorEncode(pSrcBuf, src_size, Colors, BitsPerComponent,
- Columns);
- } else if (predictor >= 10) {
- ret = PNG_PredictorEncode(pSrcBuf, src_size, predictor, Colors,
- BitsPerComponent, Columns);
- }
- if (ret)
- ret = Encode(pSrcBuf, src_size, dest_buf, dest_size);
+ PNG_PredictorEncode(pSrcBuf, src_size);
+ FX_BOOL ret = Encode(pSrcBuf, src_size, dest_buf, dest_size);
FX_Free(pSrcBuf);
return ret;
}
-FX_BOOL CCodec_FlateModule::Encode(const uint8_t* src_buf,
- FX_DWORD src_size,
- uint8_t*& dest_buf,
- FX_DWORD& dest_size) {
- dest_size = src_size + src_size / 1000 + 12;
- dest_buf = FX_Alloc(uint8_t, dest_size);
- unsigned long temp_size = dest_size;
- FPDFAPI_FlateCompress(dest_buf, &temp_size, src_buf, src_size);
- dest_size = (FX_DWORD)temp_size;
- return TRUE;
-}
diff --git a/core/src/fxcodec/codec/fx_codec_jpeg.cpp b/core/src/fxcodec/codec/fx_codec_jpeg.cpp
index 043964f254..820a5c7004 100644
--- a/core/src/fxcodec/codec/fx_codec_jpeg.cpp
+++ b/core/src/fxcodec/codec/fx_codec_jpeg.cpp
@@ -74,171 +74,17 @@ static void _error_do_nothing1(j_common_ptr cinfo, int) {}
extern "C" {
static void _error_do_nothing2(j_common_ptr cinfo, char*) {}
};
-#define JPEG_MARKER_EXIF (JPEG_APP0 + 1)
+
#define JPEG_MARKER_ICC (JPEG_APP0 + 2)
-#define JPEG_MARKER_AUTHORTIME (JPEG_APP0 + 3)
#define JPEG_MARKER_MAXSIZE 0xFFFF
-#define JPEG_OVERHEAD_LEN 14
-static FX_BOOL _JpegEmbedIccProfile(j_compress_ptr cinfo,
- const uint8_t* icc_buf_ptr,
- FX_DWORD icc_length) {
- if (!icc_buf_ptr || icc_length == 0) {
- return FALSE;
- }
- FX_DWORD icc_segment_size = (JPEG_MARKER_MAXSIZE - 2 - JPEG_OVERHEAD_LEN);
- FX_DWORD icc_segment_num = (icc_length / icc_segment_size) + 1;
- if (icc_segment_num > 255) {
- return FALSE;
- }
- FX_DWORD icc_data_length =
- JPEG_OVERHEAD_LEN + (icc_segment_num > 1 ? icc_segment_size : icc_length);
- uint8_t* icc_data = FX_Alloc(uint8_t, icc_data_length);
- FXSYS_memcpy(icc_data, "\x49\x43\x43\x5f\x50\x52\x4f\x46\x49\x4c\x45\x00",
- 12);
- icc_data[13] = (uint8_t)icc_segment_num;
- for (uint8_t i = 0; i < (icc_segment_num - 1); i++) {
- icc_data[12] = i + 1;
- FXSYS_memcpy(icc_data + JPEG_OVERHEAD_LEN,
- icc_buf_ptr + i * icc_segment_size, icc_segment_size);
- jpeg_write_marker(cinfo, JPEG_MARKER_ICC, icc_data, icc_data_length);
- }
- icc_data[12] = (uint8_t)icc_segment_num;
- FX_DWORD icc_size = (icc_segment_num - 1) * icc_segment_size;
- FXSYS_memcpy(icc_data + JPEG_OVERHEAD_LEN, icc_buf_ptr + icc_size,
- icc_length - icc_size);
- jpeg_write_marker(cinfo, JPEG_MARKER_ICC, icc_data,
- JPEG_OVERHEAD_LEN + icc_length - icc_size);
- FX_Free(icc_data);
- return TRUE;
-}
-extern "C" {
-static void _dest_do_nothing(j_compress_ptr cinfo) {}
-};
-extern "C" {
-static boolean _dest_empty(j_compress_ptr cinfo) {
- return FALSE;
-}
-};
-#define JPEG_BLOCK_SIZE 1048576
-static void _JpegEncode(const CFX_DIBSource* pSource,
- uint8_t*& dest_buf,
- FX_STRSIZE& dest_size,
- int quality,
- const uint8_t* icc_buf,
- FX_DWORD icc_length) {
- struct jpeg_error_mgr jerr;
- jerr.error_exit = _error_do_nothing;
- jerr.emit_message = _error_do_nothing1;
- jerr.output_message = _error_do_nothing;
- jerr.format_message = _error_do_nothing2;
- jerr.reset_error_mgr = _error_do_nothing;
- struct jpeg_compress_struct cinfo;
- memset(&cinfo, 0, sizeof(cinfo));
- cinfo.err = &jerr;
- jpeg_create_compress(&cinfo);
- int Bpp = pSource->GetBPP() / 8;
- FX_DWORD nComponents = Bpp >= 3 ? (pSource->IsCmykImage() ? 4 : 3) : 1;
- FX_DWORD pitch = pSource->GetPitch();
- FX_DWORD width = pdfium::base::checked_cast<FX_DWORD>(pSource->GetWidth());
- FX_DWORD height = pdfium::base::checked_cast<FX_DWORD>(pSource->GetHeight());
- FX_SAFE_DWORD safe_buf_len = width;
- safe_buf_len *= height;
- safe_buf_len *= nComponents;
- safe_buf_len += 1024;
- if (icc_length) {
- safe_buf_len += 255 * 18;
- safe_buf_len += icc_length;
- }
- FX_DWORD dest_buf_length = 0;
- if (!safe_buf_len.IsValid()) {
- dest_buf = nullptr;
- } else {
- dest_buf_length = safe_buf_len.ValueOrDie();
- dest_buf = FX_TryAlloc(uint8_t, dest_buf_length);
- const int MIN_TRY_BUF_LEN = 1024;
- while (!dest_buf && dest_buf_length > MIN_TRY_BUF_LEN) {
- dest_buf_length >>= 1;
- dest_buf = FX_TryAlloc(uint8_t, dest_buf_length);
- }
- }
- if (!dest_buf) {
- FX_OutOfMemoryTerminate();
- }
- struct jpeg_destination_mgr dest;
- dest.init_destination = _dest_do_nothing;
- dest.term_destination = _dest_do_nothing;
- dest.empty_output_buffer = _dest_empty;
- dest.next_output_byte = dest_buf;
- dest.free_in_buffer = dest_buf_length;
- cinfo.dest = &dest;
- cinfo.image_width = width;
- cinfo.image_height = height;
- cinfo.input_components = nComponents;
- if (nComponents == 1) {
- cinfo.in_color_space = JCS_GRAYSCALE;
- } else if (nComponents == 3) {
- cinfo.in_color_space = JCS_RGB;
- } else {
- cinfo.in_color_space = JCS_CMYK;
- }
- uint8_t* line_buf = NULL;
- if (nComponents > 1) {
- line_buf = FX_Alloc2D(uint8_t, width, nComponents);
- }
- jpeg_set_defaults(&cinfo);
- if (quality != 75) {
- jpeg_set_quality(&cinfo, quality, TRUE);
- }
- jpeg_start_compress(&cinfo, TRUE);
- _JpegEmbedIccProfile(&cinfo, icc_buf, icc_length);
- JSAMPROW row_pointer[1];
- JDIMENSION row;
- while (cinfo.next_scanline < cinfo.image_height) {
- const uint8_t* src_scan = pSource->GetScanline(cinfo.next_scanline);
- if (nComponents > 1) {
- uint8_t* dest_scan = line_buf;
- if (nComponents == 3) {
- for (FX_DWORD i = 0; i < width; i++) {
- dest_scan[0] = src_scan[2];
- dest_scan[1] = src_scan[1];
- dest_scan[2] = src_scan[0];
- dest_scan += 3;
- src_scan += Bpp;
- }
- } else {
- for (FX_DWORD i = 0; i < pitch; i++) {
- *dest_scan++ = ~*src_scan++;
- }
- }
- row_pointer[0] = line_buf;
- } else {
- row_pointer[0] = (uint8_t*)src_scan;
- }
- row = cinfo.next_scanline;
- jpeg_write_scanlines(&cinfo, row_pointer, 1);
- if (cinfo.next_scanline == row) {
- dest_buf =
- FX_Realloc(uint8_t, dest_buf, dest_buf_length + JPEG_BLOCK_SIZE);
- dest.next_output_byte = dest_buf + dest_buf_length - dest.free_in_buffer;
- dest_buf_length += JPEG_BLOCK_SIZE;
- dest.free_in_buffer += JPEG_BLOCK_SIZE;
- }
- }
- jpeg_finish_compress(&cinfo);
- jpeg_destroy_compress(&cinfo);
- FX_Free(line_buf);
- dest_size = dest_buf_length - (FX_STRSIZE)dest.free_in_buffer;
-}
-static FX_BOOL _JpegLoadInfo(const uint8_t* src_buf,
- FX_DWORD src_size,
- int& width,
- int& height,
- int& num_components,
- int& bits_per_components,
- FX_BOOL& color_transform,
- uint8_t** icc_buf_ptr,
- FX_DWORD* icc_length) {
+static bool JpegLoadInfo(const uint8_t* src_buf,
+ FX_DWORD src_size,
+ int* width,
+ int* height,
+ int* num_components,
+ int* bits_per_components,
+ bool* color_transform) {
_JpegScanSOI(src_buf, src_size);
struct jpeg_decompress_struct cinfo;
struct jpeg_error_mgr jerr;
@@ -252,7 +98,7 @@ static FX_BOOL _JpegLoadInfo(const uint8_t* src_buf,
jmp_buf mark;
cinfo.client_data = &mark;
if (setjmp(mark) == -1) {
- return FALSE;
+ return false;
}
jpeg_create_decompress(&cinfo);
struct jpeg_source_mgr src;
@@ -266,30 +112,21 @@ static FX_BOOL _JpegLoadInfo(const uint8_t* src_buf,
cinfo.src = &src;
if (setjmp(mark) == -1) {
jpeg_destroy_decompress(&cinfo);
- return FALSE;
- }
- if (icc_buf_ptr && icc_length) {
- jpeg_save_markers(&cinfo, JPEG_MARKER_ICC, JPEG_MARKER_MAXSIZE);
+ return false;
}
int ret = jpeg_read_header(&cinfo, TRUE);
if (ret != JPEG_HEADER_OK) {
jpeg_destroy_decompress(&cinfo);
- return FALSE;
+ return false;
}
- width = cinfo.image_width;
- height = cinfo.image_height;
- num_components = cinfo.num_components;
- color_transform =
+ *width = cinfo.image_width;
+ *height = cinfo.image_height;
+ *num_components = cinfo.num_components;
+ *color_transform =
cinfo.jpeg_color_space == JCS_YCbCr || cinfo.jpeg_color_space == JCS_YCCK;
- bits_per_components = cinfo.data_precision;
- if (icc_buf_ptr) {
- *icc_buf_ptr = NULL;
- }
- if (icc_length) {
- *icc_length = 0;
- }
+ *bits_per_components = cinfo.data_precision;
jpeg_destroy_decompress(&cinfo);
- return TRUE;
+ return true;
}
class CCodec_JpegDecoder : public CCodec_ScanlineDecoder {
@@ -512,31 +349,17 @@ ICodec_ScanlineDecoder* CCodec_JpegModule::CreateDecoder(
}
return pDecoder;
}
-FX_BOOL CCodec_JpegModule::LoadInfo(const uint8_t* src_buf,
- FX_DWORD src_size,
- int& width,
- int& height,
- int& num_components,
- int& bits_per_components,
- FX_BOOL& color_transform,
- uint8_t** icc_buf_ptr,
- FX_DWORD* icc_length) {
- return _JpegLoadInfo(src_buf, src_size, width, height, num_components,
- bits_per_components, color_transform, icc_buf_ptr,
- icc_length);
+bool CCodec_JpegModule::LoadInfo(const uint8_t* src_buf,
+ FX_DWORD src_size,
+ int* width,
+ int* height,
+ int* num_components,
+ int* bits_per_components,
+ bool* color_transform) {
+ return JpegLoadInfo(src_buf, src_size, width, height, num_components,
+ bits_per_components, color_transform);
}
-FX_BOOL CCodec_JpegModule::Encode(const CFX_DIBSource* pSource,
- uint8_t*& dest_buf,
- FX_STRSIZE& dest_size,
- int quality,
- const uint8_t* icc_buf,
- FX_DWORD icc_length) {
- if (pSource->GetBPP() < 8 || pSource->GetPalette())
- return FALSE;
- _JpegEncode(pSource, dest_buf, dest_size, quality, icc_buf, icc_length);
- return TRUE;
-}
struct FXJPEG_Context {
jmp_buf m_JumpMark;
jpeg_decompress_struct m_Info;
diff --git a/core/src/fxge/ge/fx_ge_ps.cpp b/core/src/fxge/ge/fx_ge_ps.cpp
deleted file mode 100644
index f9fd8dea30..0000000000
--- a/core/src/fxge/ge/fx_ge_ps.cpp
+++ /dev/null
@@ -1,699 +0,0 @@
-// Copyright 2014 PDFium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
-
-#include "core/include/fxge/fx_ge.h"
-#include "core/include/fxcodec/fx_codec.h"
-#include "text_int.h"
-
-struct PSGlyph {
- CFX_Font* m_pFont;
- FX_DWORD m_GlyphIndex;
- FX_BOOL m_bGlyphAdjust;
- FX_FLOAT m_AdjustMatrix[4];
-};
-class CPSFont {
- public:
- PSGlyph m_Glyphs[256];
- int m_nGlyphs;
-};
-CFX_PSRenderer::CFX_PSRenderer() {
- m_pOutput = NULL;
- m_bColorSet = m_bGraphStateSet = FALSE;
- m_bInited = FALSE;
-}
-CFX_PSRenderer::~CFX_PSRenderer() {
- for (int i = 0; i < (int)m_PSFontList.GetSize(); i++) {
- CPSFont* pFont = m_PSFontList[i];
- delete pFont;
- }
-}
-#define OUTPUT_PS(str) m_pOutput->OutputPS(str, sizeof str - 1)
-void CFX_PSRenderer::Init(IFX_PSOutput* pOutput,
- int pslevel,
- int width,
- int height,
- FX_BOOL bCmykOutput) {
- m_PSLevel = pslevel;
- m_pOutput = pOutput;
- m_ClipBox.left = m_ClipBox.top = 0;
- m_ClipBox.right = width;
- m_ClipBox.bottom = height;
- m_bCmykOutput = bCmykOutput;
-}
-FX_BOOL CFX_PSRenderer::StartRendering() {
- if (m_bInited) {
- return TRUE;
- }
- static const char init_str[] =
- "\nsave\n/im/initmatrix load def\n"
- "/n/newpath load def/m/moveto load def/l/lineto load def/c/curveto load "
- "def/h/closepath load def\n"
- "/f/fill load def/F/eofill load def/s/stroke load def/W/clip load "
- "def/W*/eoclip load def\n"
- "/rg/setrgbcolor load def/k/setcmykcolor load def\n"
- "/J/setlinecap load def/j/setlinejoin load def/w/setlinewidth load "
- "def/M/setmiterlimit load def/d/setdash load def\n"
- "/q/gsave load def/Q/grestore load def/iM/imagemask load def\n"
- "/Tj/show load def/Ff/findfont load def/Fs/scalefont load def/Sf/setfont "
- "load def\n"
- "/cm/concat load def/Cm/currentmatrix load def/mx/matrix load "
- "def/sm/setmatrix load def\n";
- OUTPUT_PS(init_str);
- m_bInited = TRUE;
- return TRUE;
-}
-void CFX_PSRenderer::EndRendering() {
- if (m_bInited) {
- OUTPUT_PS("\nrestore\n");
- }
- m_bInited = FALSE;
-}
-void CFX_PSRenderer::SaveState() {
- StartRendering();
- OUTPUT_PS("q\n");
- m_ClipBoxStack.Add(m_ClipBox);
-}
-void CFX_PSRenderer::RestoreState(FX_BOOL bKeepSaved) {
- StartRendering();
- if (bKeepSaved) {
- OUTPUT_PS("Q\nq\n");
- } else {
- OUTPUT_PS("Q\n");
- }
- m_bColorSet = m_bGraphStateSet = FALSE;
- m_ClipBox = m_ClipBoxStack.GetAt(m_ClipBoxStack.GetSize() - 1);
- if (!bKeepSaved) {
- m_ClipBoxStack.RemoveAt(m_ClipBoxStack.GetSize() - 1);
- }
-}
-void CFX_PSRenderer::OutputPath(const CFX_PathData* pPathData,
- const CFX_Matrix* pObject2Device) {
- int nPoints = pPathData->GetPointCount();
- CFX_ByteTextBuf buf;
- buf.EstimateSize(nPoints * 10);
- for (int i = 0; i < nPoints; i++) {
- uint8_t flag = pPathData->GetFlag(i);
- FX_FLOAT x = pPathData->GetPointX(i);
- FX_FLOAT y = pPathData->GetPointY(i);
- if (pObject2Device) {
- pObject2Device->Transform(x, y);
- }
- buf << x << " " << y;
- switch (flag & FXPT_TYPE) {
- case FXPT_MOVETO:
- buf << " m ";
- break;
- case FXPT_LINETO:
- if (flag & FXPT_CLOSEFIGURE) {
- buf << " l h ";
- } else {
- buf << " l ";
- }
- break;
- case FXPT_BEZIERTO: {
- FX_FLOAT x1 = pPathData->GetPointX(i + 1);
- FX_FLOAT x2 = pPathData->GetPointX(i + 2);
- FX_FLOAT y1 = pPathData->GetPointY(i + 1);
- FX_FLOAT y2 = pPathData->GetPointY(i + 2);
- if (pObject2Device) {
- pObject2Device->Transform(x1, y1);
- pObject2Device->Transform(x2, y2);
- }
- buf << " " << x1 << " " << y1 << " " << x2 << " " << y2;
- if (flag & FXPT_CLOSEFIGURE) {
- buf << " c h\n";
- } else {
- buf << " c\n";
- }
- i += 2;
- break;
- }
- }
- }
- m_pOutput->OutputPS((const FX_CHAR*)buf.GetBuffer(), buf.GetSize());
-}
-void CFX_PSRenderer::SetClip_PathFill(const CFX_PathData* pPathData,
- const CFX_Matrix* pObject2Device,
- int fill_mode) {
- StartRendering();
- OutputPath(pPathData, pObject2Device);
- CFX_FloatRect rect = pPathData->GetBoundingBox();
- if (pObject2Device) {
- rect.Transform(pObject2Device);
- }
- m_ClipBox.Intersect(rect.GetOutterRect());
- if ((fill_mode & 3) == FXFILL_WINDING) {
- OUTPUT_PS("W n\n");
- } else {
- OUTPUT_PS("W* n\n");
- }
-}
-void CFX_PSRenderer::SetClip_PathStroke(const CFX_PathData* pPathData,
- const CFX_Matrix* pObject2Device,
- const CFX_GraphStateData* pGraphState) {
- StartRendering();
- SetGraphState(pGraphState);
- if (pObject2Device) {
- CFX_ByteTextBuf buf;
- buf << "mx Cm [" << pObject2Device->a << " " << pObject2Device->b << " "
- << pObject2Device->c << " " << pObject2Device->d << " "
- << pObject2Device->e << " " << pObject2Device->f << "]cm ";
- m_pOutput->OutputPS((const FX_CHAR*)buf.GetBuffer(), buf.GetSize());
- }
- OutputPath(pPathData, NULL);
- CFX_FloatRect rect = pPathData->GetBoundingBox(pGraphState->m_LineWidth,
- pGraphState->m_MiterLimit);
- rect.Transform(pObject2Device);
- m_ClipBox.Intersect(rect.GetOutterRect());
- if (pObject2Device) {
- OUTPUT_PS("strokepath W n sm\n");
- } else {
- OUTPUT_PS("strokepath W n\n");
- }
-}
-FX_BOOL CFX_PSRenderer::DrawPath(const CFX_PathData* pPathData,
- const CFX_Matrix* pObject2Device,
- const CFX_GraphStateData* pGraphState,
- FX_DWORD fill_color,
- FX_DWORD stroke_color,
- int fill_mode,
- int alpha_flag,
- void* pIccTransform) {
- StartRendering();
- int fill_alpha = FXGETFLAG_COLORTYPE(alpha_flag)
- ? FXGETFLAG_ALPHA_FILL(alpha_flag)
- : FXARGB_A(fill_color);
- int stroke_alpha = FXGETFLAG_COLORTYPE(alpha_flag)
- ? FXGETFLAG_ALPHA_STROKE(alpha_flag)
- : FXARGB_A(stroke_color);
- if (fill_alpha && fill_alpha < 255) {
- return FALSE;
- }
- if (stroke_alpha && stroke_alpha < 255) {
- return FALSE;
- }
- if (fill_alpha == 0 && stroke_alpha == 0) {
- return FALSE;
- }
- if (stroke_alpha) {
- SetGraphState(pGraphState);
- if (pObject2Device) {
- CFX_ByteTextBuf buf;
- buf << "mx Cm [" << pObject2Device->a << " " << pObject2Device->b << " "
- << pObject2Device->c << " " << pObject2Device->d << " "
- << pObject2Device->e << " " << pObject2Device->f << "]cm ";
- m_pOutput->OutputPS((const FX_CHAR*)buf.GetBuffer(), buf.GetSize());
- }
- }
- OutputPath(pPathData, stroke_alpha ? NULL : pObject2Device);
- if (fill_mode && fill_alpha) {
- SetColor(fill_color, alpha_flag, pIccTransform);
- if ((fill_mode & 3) == FXFILL_WINDING) {
- if (stroke_alpha) {
- OUTPUT_PS("q f Q ");
- } else {
- OUTPUT_PS("f");
- }
- } else if ((fill_mode & 3) == FXFILL_ALTERNATE) {
- if (stroke_alpha) {
- OUTPUT_PS("q F Q ");
- } else {
- OUTPUT_PS("F");
- }
- }
- }
- if (stroke_alpha) {
- SetColor(stroke_color, alpha_flag, pIccTransform);
- if (pObject2Device) {
- OUTPUT_PS("s sm");
- } else {
- OUTPUT_PS("s");
- }
- }
- OUTPUT_PS("\n");
- return TRUE;
-}
-void CFX_PSRenderer::SetGraphState(const CFX_GraphStateData* pGraphState) {
- CFX_ByteTextBuf buf;
- if (!m_bGraphStateSet ||
- m_CurGraphState.m_LineCap != pGraphState->m_LineCap) {
- buf << pGraphState->m_LineCap << " J\n";
- }
- if (!m_bGraphStateSet ||
- m_CurGraphState.m_DashCount != pGraphState->m_DashCount ||
- FXSYS_memcmp(m_CurGraphState.m_DashArray, pGraphState->m_DashArray,
- sizeof(FX_FLOAT) * m_CurGraphState.m_DashCount)) {
- buf << "[";
- for (int i = 0; i < pGraphState->m_DashCount; i++) {
- buf << pGraphState->m_DashArray[i] << " ";
- }
- buf << "]" << pGraphState->m_DashPhase << " d\n";
- }
- if (!m_bGraphStateSet ||
- m_CurGraphState.m_LineJoin != pGraphState->m_LineJoin) {
- buf << pGraphState->m_LineJoin << " j\n";
- }
- if (!m_bGraphStateSet ||
- m_CurGraphState.m_LineWidth != pGraphState->m_LineWidth) {
- buf << pGraphState->m_LineWidth << " w\n";
- }
- if (!m_bGraphStateSet ||
- m_CurGraphState.m_MiterLimit != pGraphState->m_MiterLimit) {
- buf << pGraphState->m_MiterLimit << " M\n";
- }
- m_CurGraphState.Copy(*pGraphState);
- m_bGraphStateSet = TRUE;
- if (buf.GetSize()) {
- m_pOutput->OutputPS((const FX_CHAR*)buf.GetBuffer(), buf.GetSize());
- }
-}
-static void FaxCompressData(uint8_t* src_buf,
- int width,
- int height,
- uint8_t*& dest_buf,
- FX_DWORD& dest_size) {
- CCodec_ModuleMgr* pEncoders = CFX_GEModule::Get()->GetCodecModule();
- if (width * height > 128 && pEncoders &&
- pEncoders->GetFaxModule()->Encode(src_buf, width, height, (width + 7) / 8,
- dest_buf, dest_size)) {
- FX_Free(src_buf);
- } else {
- dest_buf = src_buf;
- dest_size = (width + 7) / 8 * height;
- }
-}
-static void PSCompressData(int PSLevel,
- uint8_t* src_buf,
- FX_DWORD src_size,
- uint8_t*& output_buf,
- FX_DWORD& output_size,
- const FX_CHAR*& filter) {
- output_buf = src_buf;
- output_size = src_size;
- filter = "";
- if (src_size < 1024) {
- return;
- }
- CCodec_ModuleMgr* pEncoders = CFX_GEModule::Get()->GetCodecModule();
- uint8_t* dest_buf = NULL;
- FX_DWORD dest_size = src_size;
- if (PSLevel >= 3) {
- if (pEncoders &&
- pEncoders->GetFlateModule()->Encode(src_buf, src_size, dest_buf,
- dest_size)) {
- filter = "/FlateDecode filter ";
- }
- } else {
- if (pEncoders &&
- pEncoders->GetBasicModule()->RunLengthEncode(src_buf, src_size,
- dest_buf, dest_size)) {
- filter = "/RunLengthDecode filter ";
- }
- }
- if (dest_size < src_size) {
- output_buf = dest_buf;
- output_size = dest_size;
- } else {
- filter = NULL;
- FX_Free(dest_buf);
- }
-}
-FX_BOOL CFX_PSRenderer::SetDIBits(const CFX_DIBSource* pSource,
- FX_DWORD color,
- int left,
- int top,
- int alpha_flag,
- void* pIccTransform) {
- StartRendering();
- CFX_Matrix matrix((FX_FLOAT)(pSource->GetWidth()), 0.0f, 0.0f,
- -(FX_FLOAT)(pSource->GetHeight()), (FX_FLOAT)(left),
- (FX_FLOAT)(top + pSource->GetHeight()));
- return DrawDIBits(pSource, color, &matrix, 0, alpha_flag, pIccTransform);
-}
-FX_BOOL CFX_PSRenderer::StretchDIBits(const CFX_DIBSource* pSource,
- FX_DWORD color,
- int dest_left,
- int dest_top,
- int dest_width,
- int dest_height,
- FX_DWORD flags,
- int alpha_flag,
- void* pIccTransform) {
- StartRendering();
- CFX_Matrix matrix((FX_FLOAT)(dest_width), 0.0f, 0.0f,
- (FX_FLOAT)(-dest_height), (FX_FLOAT)(dest_left),
- (FX_FLOAT)(dest_top + dest_height));
- return DrawDIBits(pSource, color, &matrix, flags, alpha_flag, pIccTransform);
-}
-FX_BOOL CFX_PSRenderer::DrawDIBits(const CFX_DIBSource* pSource,
- FX_DWORD color,
- const CFX_Matrix* pMatrix,
- FX_DWORD flags,
- int alpha_flag,
- void* pIccTransform) {
- StartRendering();
- if ((pMatrix->a == 0 && pMatrix->b == 0) ||
- (pMatrix->c == 0 && pMatrix->d == 0)) {
- return TRUE;
- }
- if (pSource->HasAlpha()) {
- return FALSE;
- }
- int alpha = FXGETFLAG_COLORTYPE(alpha_flag) ? FXGETFLAG_ALPHA_FILL(color)
- : FXARGB_A(color);
- if (pSource->IsAlphaMask() && (alpha < 255 || pSource->GetBPP() != 1)) {
- return FALSE;
- }
- OUTPUT_PS("q\n");
- CFX_ByteTextBuf buf;
- buf << "[" << pMatrix->a << " " << pMatrix->b << " " << pMatrix->c << " "
- << pMatrix->d << " " << pMatrix->e << " " << pMatrix->f << "]cm ";
- int width = pSource->GetWidth();
- int height = pSource->GetHeight();
- buf << width << " " << height;
- if (pSource->GetBPP() == 1 && !pSource->GetPalette()) {
- int pitch = (width + 7) / 8;
- FX_DWORD src_size = height * pitch;
- uint8_t* src_buf = FX_Alloc(uint8_t, src_size);
- for (int row = 0; row < height; row++) {
- const uint8_t* src_scan = pSource->GetScanline(row);
- FXSYS_memcpy(src_buf + row * pitch, src_scan, pitch);
- }
- uint8_t* output_buf;
- FX_DWORD output_size;
- FaxCompressData(src_buf, width, height, output_buf, output_size);
- if (pSource->IsAlphaMask()) {
- SetColor(color, alpha_flag, pIccTransform);
- m_bColorSet = FALSE;
- buf << " true[";
- } else {
- buf << " 1[";
- }
- buf << width << " 0 0 -" << height << " 0 " << height
- << "]currentfile/ASCII85Decode filter ";
- if (output_buf != src_buf)
- buf << "<</K -1/EndOfBlock false/Columns " << width << "/Rows " << height
- << ">>/CCITTFaxDecode filter ";
- if (pSource->IsAlphaMask()) {
- buf << "iM\n";
- } else {
- buf << "false 1 colorimage\n";
- }
- m_pOutput->OutputPS((const FX_CHAR*)buf.GetBuffer(), buf.GetSize());
- WritePSBinary(output_buf, output_size);
- FX_Free(output_buf);
- } else {
- CFX_DIBSource* pConverted = (CFX_DIBSource*)pSource;
- if (pIccTransform) {
- FXDIB_Format format = m_bCmykOutput ? FXDIB_Cmyk : FXDIB_Rgb;
- pConverted = pSource->CloneConvert(format, NULL, pIccTransform);
- } else {
- switch (pSource->GetFormat()) {
- case FXDIB_1bppRgb:
- case FXDIB_Rgb32:
- pConverted = pSource->CloneConvert(FXDIB_Rgb);
- break;
- case FXDIB_8bppRgb:
- if (pSource->GetPalette()) {
- pConverted = pSource->CloneConvert(FXDIB_Rgb);
- }
- break;
- case FXDIB_1bppCmyk:
- pConverted = pSource->CloneConvert(FXDIB_Cmyk);
- break;
- case FXDIB_8bppCmyk:
- if (pSource->GetPalette()) {
- pConverted = pSource->CloneConvert(FXDIB_Cmyk);
- }
- break;
- default:
- break;
- }
- }
- if (!pConverted) {
- OUTPUT_PS("\nQ\n");
- return FALSE;
- }
- int Bpp = pConverted->GetBPP() / 8;
- uint8_t* output_buf = NULL;
- FX_STRSIZE output_size = 0;
- const FX_CHAR* filter = NULL;
- if (flags & FXRENDER_IMAGE_LOSSY) {
- CCodec_ModuleMgr* pEncoders = CFX_GEModule::Get()->GetCodecModule();
- if (pEncoders &&
- pEncoders->GetJpegModule()->Encode(pConverted, output_buf,
- output_size)) {
- filter = "/DCTDecode filter ";
- }
- }
- if (!filter) {
- int src_pitch = width * Bpp;
- output_size = height * src_pitch;
- output_buf = FX_Alloc(uint8_t, output_size);
- for (int row = 0; row < height; row++) {
- const uint8_t* src_scan = pConverted->GetScanline(row);
- uint8_t* dest_scan = output_buf + row * src_pitch;
- if (Bpp == 3) {
- for (int col = 0; col < width; col++) {
- *dest_scan++ = src_scan[2];
- *dest_scan++ = src_scan[1];
- *dest_scan++ = *src_scan;
- src_scan += 3;
- }
- } else {
- FXSYS_memcpy(dest_scan, src_scan, src_pitch);
- }
- }
- uint8_t* compressed_buf;
- FX_DWORD compressed_size;
- PSCompressData(m_PSLevel, output_buf, output_size, compressed_buf,
- compressed_size, filter);
- if (output_buf != compressed_buf) {
- FX_Free(output_buf);
- }
- output_buf = compressed_buf;
- output_size = compressed_size;
- }
- if (pConverted != pSource) {
- delete pConverted;
- pConverted = NULL;
- }
- buf << " 8[";
- buf << width << " 0 0 -" << height << " 0 " << height << "]";
- buf << "currentfile/ASCII85Decode filter ";
- if (filter) {
- buf << filter;
- }
- buf << "false " << Bpp;
- buf << " colorimage\n";
- m_pOutput->OutputPS((const FX_CHAR*)buf.GetBuffer(), buf.GetSize());
- WritePSBinary(output_buf, output_size);
- FX_Free(output_buf);
- }
- OUTPUT_PS("\nQ\n");
- return TRUE;
-}
-void CFX_PSRenderer::SetColor(FX_DWORD color,
- int alpha_flag,
- void* pIccTransform) {
- if (!CFX_GEModule::Get()->GetCodecModule() ||
- !CFX_GEModule::Get()->GetCodecModule()->GetIccModule()) {
- pIccTransform = NULL;
- }
- FX_BOOL bCMYK = FALSE;
- if (pIccTransform) {
- ICodec_IccModule* pIccModule =
- CFX_GEModule::Get()->GetCodecModule()->GetIccModule();
- color = FXGETFLAG_COLORTYPE(alpha_flag) ? FXCMYK_TODIB(color)
- : FXARGB_TODIB(color);
- uint8_t* pColor = (uint8_t*)&color;
- pIccModule->TranslateScanline(pIccTransform, pColor, pColor, 1);
- color = m_bCmykOutput ? FXCMYK_TODIB(color) : FXARGB_TODIB(color);
- bCMYK = m_bCmykOutput;
- } else {
- bCMYK = FXGETFLAG_COLORTYPE(alpha_flag);
- }
- if (bCMYK != m_bCmykOutput || !m_bColorSet || m_LastColor != color) {
- CFX_ByteTextBuf buf;
- if (bCMYK) {
- buf << FXSYS_GetCValue(color) / 255.0 << " "
- << FXSYS_GetMValue(color) / 255.0 << " "
- << FXSYS_GetYValue(color) / 255.0 << " "
- << FXSYS_GetKValue(color) / 255.0 << " k\n";
- } else {
- buf << FXARGB_R(color) / 255.0 << " " << FXARGB_G(color) / 255.0 << " "
- << FXARGB_B(color) / 255.0 << " rg\n";
- }
- if (bCMYK == m_bCmykOutput) {
- m_bColorSet = TRUE;
- m_LastColor = color;
- }
- m_pOutput->OutputPS((const FX_CHAR*)buf.GetBuffer(), buf.GetSize());
- }
-}
-void CFX_PSRenderer::FindPSFontGlyph(CFX_FaceCache* pFaceCache,
- CFX_Font* pFont,
- const FXTEXT_CHARPOS& charpos,
- int& ps_fontnum,
- int& ps_glyphindex) {
- for (int i = 0; i < (int)m_PSFontList.GetSize(); i++) {
- CPSFont* pPSFont = m_PSFontList[i];
- for (int j = 0; j < pPSFont->m_nGlyphs; j++)
- if (pPSFont->m_Glyphs[j].m_pFont == pFont &&
- pPSFont->m_Glyphs[j].m_GlyphIndex == charpos.m_GlyphIndex) {
- if ((!pPSFont->m_Glyphs[j].m_bGlyphAdjust && !charpos.m_bGlyphAdjust) ||
- (pPSFont->m_Glyphs[j].m_bGlyphAdjust && charpos.m_bGlyphAdjust &&
- (FXSYS_fabs(pPSFont->m_Glyphs[j].m_AdjustMatrix[0] -
- charpos.m_AdjustMatrix[0]) < 0.01 &&
- FXSYS_fabs(pPSFont->m_Glyphs[j].m_AdjustMatrix[1] -
- charpos.m_AdjustMatrix[1]) < 0.01 &&
- FXSYS_fabs(pPSFont->m_Glyphs[j].m_AdjustMatrix[2] -
- charpos.m_AdjustMatrix[2]) < 0.01 &&
- FXSYS_fabs(pPSFont->m_Glyphs[j].m_AdjustMatrix[3] -
- charpos.m_AdjustMatrix[3]) < 0.01))) {
- ps_fontnum = i;
- ps_glyphindex = j;
- return;
- }
- }
- }
- if (m_PSFontList.GetSize() == 0 ||
- m_PSFontList[m_PSFontList.GetSize() - 1]->m_nGlyphs == 256) {
- CPSFont* pPSFont = new CPSFont;
- pPSFont->m_nGlyphs = 0;
- m_PSFontList.Add(pPSFont);
- CFX_ByteTextBuf buf;
- buf << "8 dict begin/FontType 3 def/FontMatrix[1 0 0 1 0 0]def\n"
- "/FontBBox[0 0 0 0]def/Encoding 256 array def 0 1 255{Encoding "
- "exch/.notdef put}for\n"
- "/CharProcs 1 dict def CharProcs begin/.notdef {} def end\n"
- "/BuildGlyph{1 0 -10 -10 10 10 setcachedevice exch/CharProcs get "
- "exch 2 copy known not{pop/.notdef}if get exec}bind def\n"
- "/BuildChar{1 index/Encoding get exch get 1 index/BuildGlyph get "
- "exec}bind def\n"
- "currentdict end\n";
- buf << "/X" << m_PSFontList.GetSize() - 1 << " exch definefont pop\n";
- m_pOutput->OutputPS((const FX_CHAR*)buf.GetBuffer(), buf.GetSize());
- buf.Clear();
- }
- ps_fontnum = m_PSFontList.GetSize() - 1;
- CPSFont* pPSFont = m_PSFontList[ps_fontnum];
- ps_glyphindex = pPSFont->m_nGlyphs;
- pPSFont->m_Glyphs[ps_glyphindex].m_GlyphIndex = charpos.m_GlyphIndex;
- pPSFont->m_Glyphs[ps_glyphindex].m_pFont = pFont;
- pPSFont->m_Glyphs[ps_glyphindex].m_bGlyphAdjust = charpos.m_bGlyphAdjust;
- if (charpos.m_bGlyphAdjust) {
- pPSFont->m_Glyphs[ps_glyphindex].m_AdjustMatrix[0] =
- charpos.m_AdjustMatrix[0];
- pPSFont->m_Glyphs[ps_glyphindex].m_AdjustMatrix[1] =
- charpos.m_AdjustMatrix[1];
- pPSFont->m_Glyphs[ps_glyphindex].m_AdjustMatrix[2] =
- charpos.m_AdjustMatrix[2];
- pPSFont->m_Glyphs[ps_glyphindex].m_AdjustMatrix[3] =
- charpos.m_AdjustMatrix[3];
- }
- pPSFont->m_nGlyphs++;
- CFX_Matrix matrix;
- if (charpos.m_bGlyphAdjust)
- matrix.Set(charpos.m_AdjustMatrix[0], charpos.m_AdjustMatrix[1],
- charpos.m_AdjustMatrix[2], charpos.m_AdjustMatrix[3], 0, 0);
- matrix.Concat(1.0f, 0, 0, 1.0f, 0, 0);
- const CFX_PathData* pPathData = pFaceCache->LoadGlyphPath(
- pFont, charpos.m_GlyphIndex, charpos.m_FontCharWidth);
- if (!pPathData) {
- return;
- }
- CFX_PathData TransformedPath(*pPathData);
- if (charpos.m_bGlyphAdjust) {
- TransformedPath.Transform(&matrix);
- }
- CFX_ByteTextBuf buf;
- buf << "/X" << ps_fontnum << " Ff/CharProcs get begin/" << ps_glyphindex
- << "{n ";
- for (int p = 0; p < TransformedPath.GetPointCount(); p++) {
- FX_FLOAT x = TransformedPath.GetPointX(p), y = TransformedPath.GetPointY(p);
- switch (TransformedPath.GetFlag(p) & FXPT_TYPE) {
- case FXPT_MOVETO: {
- buf << x << " " << y << " m\n";
- break;
- }
- case FXPT_LINETO: {
- buf << x << " " << y << " l\n";
- break;
- }
- case FXPT_BEZIERTO: {
- buf << x << " " << y << " " << TransformedPath.GetPointX(p + 1) << " "
- << TransformedPath.GetPointY(p + 1) << " "
- << TransformedPath.GetPointX(p + 2) << " "
- << TransformedPath.GetPointY(p + 2) << " c\n";
- p += 2;
- break;
- }
- }
- }
- buf << "f}bind def end\n";
- buf << "/X" << ps_fontnum << " Ff/Encoding get " << ps_glyphindex << "/"
- << ps_glyphindex << " put\n";
- m_pOutput->OutputPS((const FX_CHAR*)buf.GetBuffer(), buf.GetSize());
-}
-FX_BOOL CFX_PSRenderer::DrawText(int nChars,
- const FXTEXT_CHARPOS* pCharPos,
- CFX_Font* pFont,
- CFX_FontCache* pCache,
- const CFX_Matrix* pObject2Device,
- FX_FLOAT font_size,
- FX_DWORD color,
- int alpha_flag,
- void* pIccTransform) {
- StartRendering();
- int alpha = FXGETFLAG_COLORTYPE(alpha_flag) ? FXGETFLAG_ALPHA_FILL(alpha_flag)
- : FXARGB_A(color);
- if (alpha < 255) {
- return FALSE;
- }
- if ((pObject2Device->a == 0 && pObject2Device->b == 0) ||
- (pObject2Device->c == 0 && pObject2Device->d == 0)) {
- return TRUE;
- }
- SetColor(color, alpha_flag, pIccTransform);
- CFX_ByteTextBuf buf;
- buf << "q[" << pObject2Device->a << " " << pObject2Device->b << " "
- << pObject2Device->c << " " << pObject2Device->d << " "
- << pObject2Device->e << " " << pObject2Device->f << "]cm\n";
- if (!pCache) {
- pCache = CFX_GEModule::Get()->GetFontCache();
- }
- CFX_FaceCache* pFaceCache = pCache->GetCachedFace(pFont);
- FX_FONTCACHE_DEFINE(pCache, pFont);
- int last_fontnum = -1;
- for (int i = 0; i < nChars; i++) {
- int ps_fontnum, ps_glyphindex;
- FindPSFontGlyph(pFaceCache, pFont, pCharPos[i], ps_fontnum, ps_glyphindex);
- if (last_fontnum != ps_fontnum) {
- buf << "/X" << ps_fontnum << " Ff " << font_size << " Fs Sf ";
- last_fontnum = ps_fontnum;
- }
- buf << pCharPos[i].m_OriginX << " " << pCharPos[i].m_OriginY << " m";
- CFX_ByteString hex;
- hex.Format("<%02X>", ps_glyphindex);
- buf << hex << "Tj\n";
- }
- buf << "Q\n";
- m_pOutput->OutputPS((const FX_CHAR*)buf.GetBuffer(), buf.GetSize());
- return TRUE;
-}
-void CFX_PSRenderer::WritePSBinary(const uint8_t* data, int len) {
- uint8_t* dest_buf;
- FX_DWORD dest_size;
- CCodec_ModuleMgr* pEncoders = CFX_GEModule::Get()->GetCodecModule();
- if (pEncoders &&
- pEncoders->GetBasicModule()->A85Encode(data, len, dest_buf, dest_size)) {
- m_pOutput->OutputPS((const FX_CHAR*)dest_buf, dest_size);
- FX_Free(dest_buf);
- } else {
- m_pOutput->OutputPS((const FX_CHAR*)data, len);
- }
-}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-05 07:14:26 +0000