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-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
11 files changed, 1486 insertions, 154 deletions
diff --git a/core/src/fpdfapi/fpdf_edit/fpdf_edit_create.cpp b/core/src/fpdfapi/fpdf_edit/fpdf_edit_create.cpp
index 1151c6390e..49ec0bae92 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();
- bool Initialize(CPDF_Stream* pStream, FX_BOOL bFlateEncode);
- bool Initialize(const uint8_t* pBuffer,
- FX_DWORD size,
- bool bFlateEncode,
- bool bXRefStream);
+ 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);
void CloneDict();
uint8_t* m_pData;
FX_DWORD m_dwSize;
@@ -334,7 +334,8 @@ void CPDF_FlateEncoder::CloneDict() {
m_bCloned = TRUE;
}
}
-bool CPDF_FlateEncoder::Initialize(CPDF_Stream* pStream, FX_BOOL bFlateEncode) {
+FX_BOOL CPDF_FlateEncoder::Initialize(CPDF_Stream* pStream,
+ FX_BOOL bFlateEncode) {
m_Acc.LoadAllData(pStream, TRUE);
if ((pStream && pStream->GetDict() &&
pStream->GetDict()->KeyExist("Filter")) ||
@@ -353,41 +354,36 @@ bool CPDF_FlateEncoder::Initialize(CPDF_Stream* pStream, FX_BOOL bFlateEncode) {
m_dwSize = m_Acc.GetSize();
m_pDict = pStream->GetDict();
}
- return true;
+ return TRUE;
}
- m_pData = nullptr;
+ m_pData = NULL;
m_dwSize = 0;
m_bNewData = TRUE;
m_bCloned = TRUE;
- if (!::FlateEncode(m_Acc.GetData(), m_Acc.GetSize(), &m_pData, &m_dwSize))
- return false;
-
+ ::FlateEncode(m_Acc.GetData(), m_Acc.GetSize(), m_pData, m_dwSize);
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;
}
-
-bool CPDF_FlateEncoder::Initialize(const uint8_t* pBuffer,
- FX_DWORD size,
- bool bFlateEncode,
- bool bXRefStream) {
+FX_BOOL CPDF_FlateEncoder::Initialize(const uint8_t* pBuffer,
+ FX_DWORD size,
+ FX_BOOL bFlateEncode,
+ FX_BOOL bXRefStream) {
if (!bFlateEncode) {
m_pData = (uint8_t*)pBuffer;
m_dwSize = size;
- return true;
+ return TRUE;
}
m_bNewData = TRUE;
- bool ret;
if (bXRefStream) {
- ret = ::PngEncode(pBuffer, size, &m_pData, &m_dwSize);
+ ::FlateEncode(pBuffer, size, 12, 1, 8, 7, m_pData, m_dwSize);
} else {
- ret = ::FlateEncode(pBuffer, size, &m_pData, &m_dwSize);
+ ::FlateEncode(pBuffer, size, m_pData, m_dwSize);
}
- return ret;
+ return TRUE;
}
-
CPDF_FlateEncoder::~CPDF_FlateEncoder() {
if (m_bCloned && m_pDict) {
m_pDict->Release();
@@ -522,15 +518,11 @@ FX_FILESIZE CPDF_ObjectStream::End(CPDF_Creator* pCreator) {
} else {
tempBuffer << m_Buffer;
CPDF_FlateEncoder encoder;
- if (!encoder.Initialize(tempBuffer.GetBuffer(), tempBuffer.GetLength(),
- pCreator->m_bCompress, false)) {
- return -1;
- }
+ encoder.Initialize(tempBuffer.GetBuffer(), tempBuffer.GetLength(),
+ pCreator->m_bCompress);
CPDF_Encryptor encryptor;
- if (!encryptor.Initialize(pHandler, m_dwObjNum, encoder.m_pData,
- encoder.m_dwSize)) {
- return -1;
- }
+ encryptor.Initialize(pHandler, m_dwObjNum, encoder.m_pData,
+ encoder.m_dwSize);
if ((len = pFile->AppendDWord(encryptor.m_dwSize)) < 0) {
return -1;
}
@@ -776,21 +768,22 @@ FX_BOOL CPDF_XRefStream::GenerateXRefStream(CPDF_Creator* pCreator,
}
offset += len + 6;
}
+ FX_BOOL bPredictor = TRUE;
CPDF_FlateEncoder encoder;
- if (!encoder.Initialize(m_Buffer.GetBuffer(), m_Buffer.GetLength(),
- pCreator->m_bCompress, true)) {
- return FALSE;
- }
+ encoder.Initialize(m_Buffer.GetBuffer(), m_Buffer.GetLength(),
+ pCreator->m_bCompress, bPredictor);
if (pCreator->m_bCompress) {
if (pFile->AppendString("/Filter /FlateDecode") < 0) {
return FALSE;
}
offset += 20;
- if ((len = pFile->AppendString("/DecodeParms<</Columns 7/Predictor 12>>")) <
- 0) {
- return FALSE;
+ if (bPredictor) {
+ if ((len = pFile->AppendString(
+ "/DecodeParms<</Columns 7/Predictor 12>>")) < 0) {
+ return FALSE;
+ }
+ offset += len;
}
- offset += len;
}
if (pFile->AppendString("/Length ") < 0) {
return FALSE;
@@ -1009,10 +1002,8 @@ int32_t CPDF_Creator::WriteStream(const CPDF_Object* pStream,
FX_DWORD objnum,
CPDF_CryptoHandler* pCrypto) {
CPDF_FlateEncoder encoder;
- if (!encoder.Initialize(const_cast<CPDF_Stream*>(pStream->AsStream()),
- pStream == m_pMetadata ? FALSE : m_bCompress)) {
- return -1;
- }
+ encoder.Initialize(const_cast<CPDF_Stream*>(pStream->AsStream()),
+ pStream == m_pMetadata ? FALSE : m_bCompress);
CPDF_Encryptor encryptor;
if (!encryptor.Initialize(pCrypto, objnum, encoder.m_pData,
encoder.m_dwSize)) {
@@ -1116,10 +1107,8 @@ int32_t CPDF_Creator::WriteDirectObj(FX_DWORD objnum,
break;
}
CPDF_Encryptor encryptor;
- if (!encryptor.Initialize(m_pCryptoHandler, objnum, (uint8_t*)str.c_str(),
- str.GetLength())) {
- return -1;
- }
+ encryptor.Initialize(m_pCryptoHandler, objnum, (uint8_t*)str.c_str(),
+ str.GetLength());
CFX_ByteString content = PDF_EncodeString(
CFX_ByteString((const FX_CHAR*)encryptor.m_pData, encryptor.m_dwSize),
bHex);
@@ -1131,17 +1120,11 @@ int32_t CPDF_Creator::WriteDirectObj(FX_DWORD objnum,
}
case PDFOBJ_STREAM: {
CPDF_FlateEncoder encoder;
- if (!encoder.Initialize(const_cast<CPDF_Stream*>(pObj->AsStream()),
- m_bCompress)) {
- return -1;
- }
-
+ encoder.Initialize(const_cast<CPDF_Stream*>(pObj->AsStream()),
+ m_bCompress);
CPDF_Encryptor encryptor;
CPDF_CryptoHandler* pHandler = m_pCryptoHandler;
- if (!encryptor.Initialize(pHandler, objnum, encoder.m_pData,
- encoder.m_dwSize)) {
- return -1;
- }
+ encryptor.Initialize(pHandler, objnum, encoder.m_pData, encoder.m_dwSize);
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 386c49d005..2b68a0403f 100644
--- a/core/src/fpdfapi/fpdf_edit/fpdf_edit_image.cpp
+++ b/core/src/fpdfapi/fpdf_edit/fpdf_edit_image.cpp
@@ -16,12 +16,11 @@ CPDF_Dictionary* CPDF_Image::InitJPEG(uint8_t* pData, FX_DWORD size) {
int32_t height;
int32_t num_comps;
int32_t bits;
- bool color_trans;
+ FX_BOOL color_trans;
if (!CPDF_ModuleMgr::Get()->GetJpegModule()->LoadInfo(
- pData, size, &width, &height, &num_comps, &bits, &color_trans)) {
- return nullptr;
+ pData, size, width, height, num_comps, bits, color_trans)) {
+ return NULL;
}
-
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 8832940f80..c855a7c5c2 100644
--- a/core/src/fpdfapi/fpdf_parser/fpdf_parser_decode.cpp
+++ b/core/src/fpdfapi/fpdf_parser/fpdf_parser_decode.cpp
@@ -540,27 +540,30 @@ CFX_ByteString PDF_EncodeString(const CFX_ByteString& src, FX_BOOL bHex) {
result.AppendChar(')');
return result.GetByteString();
}
-
-bool FlateEncode(const uint8_t* src_buf,
+void 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();
- return pEncoders &&
- pEncoders->GetFlateModule()->Encode(src_buf, src_size, dest_buf,
- dest_size);
+ if (pEncoders) {
+ pEncoders->GetFlateModule()->Encode(src_buf, src_size, dest_buf, dest_size);
+ }
}
-
-bool PngEncode(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) {
CCodec_ModuleMgr* pEncoders = CPDF_ModuleMgr::Get()->GetCodecModule();
- return pEncoders &&
- pEncoders->GetFlateModule()->Encode(src_buf, src_size, dest_buf,
- dest_size);
+ if (pEncoders) {
+ pEncoders->GetFlateModule()->Encode(src_buf, src_size, predictor, Colors,
+ BitsPerComponent, Columns, 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 810a633c83..c80770366b 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* buf;
- unsigned int buf_size;
- EXPECT_TRUE(FlateEncode(ptr->input, ptr->input_size, &buf, &buf_size));
- ASSERT_TRUE(buf);
+ unsigned char* result;
+ unsigned int result_size;
+ FlateEncode(ptr->input, ptr->input_size, result, result_size);
+ ASSERT_TRUE(result);
EXPECT_EQ(std::string((const char*)ptr->expected, ptr->expected_size),
- std::string((const char*)buf, buf_size))
+ std::string((const char*)result, result_size))
<< " for case " << i;
- FX_Free(buf);
+ FX_Free(result);
}
}
diff --git a/core/src/fpdfapi/fpdf_render/fpdf_render_loadimage.cpp b/core/src/fpdfapi/fpdf_render/fpdf_render_loadimage.cpp
index c107c002c2..0306ff0227 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) {
- bool bTransform = false;
+ 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 (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 c3daf3bdf2..1495f9e680 100644
--- a/core/src/fxcodec/codec/codec_int.h
+++ b/core/src/fxcodec/codec/codec_int.h
@@ -22,6 +22,14 @@ 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,
@@ -105,6 +113,12 @@ 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 {
@@ -130,14 +144,18 @@ class CCodec_FlateModule : public ICodec_FlateModule {
FX_DWORD estimated_size,
uint8_t*& dest_buf,
FX_DWORD& dest_size);
- 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,
+ virtual FX_BOOL Encode(const uint8_t* src_buf,
FX_DWORD src_size,
- uint8_t** dest_buf,
- FX_DWORD* dest_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);
};
class CCodec_JpegModule : public ICodec_JpegModule {
@@ -149,13 +167,21 @@ class CCodec_JpegModule : public ICodec_JpegModule {
int height,
int nComps,
FX_BOOL ColorTransform) 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;
+ 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;
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 d7c7c4eeb4..6998114f83 100644
--- a/core/src/fxcodec/codec/fx_codec.cpp
+++ b/core/src/fxcodec/codec/fx_codec.cpp
@@ -142,6 +142,121 @@ 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 686fc08b61..b198e74784 100644
--- a/core/src/fxcodec/codec/fx_codec_fax.cpp
+++ b/core/src/fxcodec/codec/fx_codec_fax.cpp
@@ -466,6 +466,134 @@ 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 {
@@ -626,6 +754,65 @@ 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 844a17e282..b293781318 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 bool FPDFAPI_FlateCompress(unsigned char* dest_buf,
+static void FPDFAPI_FlateCompress(unsigned char* dest_buf,
unsigned long* dest_size,
const unsigned char* src_buf,
unsigned long src_size) {
- return compress(dest_buf, dest_size, src_buf, src_size) == Z_OK;
+ compress(dest_buf, dest_size, src_buf, src_size);
}
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 PathPredictor(int a, int b, int c) {
+uint8_t PaethPredictor(int a, int b, int c) {
int p = a + b - c;
int pa = FXSYS_abs(p - a);
int pb = FXSYS_abs(p - b);
@@ -239,8 +239,16 @@ uint8_t PathPredictor(int a, int b, int c) {
return (uint8_t)c;
}
-void PNG_PredictorEncode(uint8_t*& data_buf, FX_DWORD& data_size) {
- const int row_size = 7;
+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;
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);
@@ -248,12 +256,67 @@ void PNG_PredictorEncode(uint8_t*& data_buf, FX_DWORD& data_size) {
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);
@@ -263,6 +326,7 @@ void PNG_PredictorEncode(uint8_t*& data_buf, FX_DWORD& data_size) {
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,
@@ -322,7 +386,7 @@ void PNG_PredictLine(uint8_t* pDestData,
if (byte >= BytesPerPixel && pLastLine) {
upper_left = pLastLine[byte - BytesPerPixel];
}
- pDestData[byte] = raw_byte + PathPredictor(left, up, upper_left);
+ pDestData[byte] = raw_byte + PaethPredictor(left, up, upper_left);
break;
}
default:
@@ -407,7 +471,7 @@ FX_BOOL PNG_Predictor(uint8_t*& data_buf,
if (byte >= BytesPerPixel && row) {
upper_left = pDestData[byte - row_size - BytesPerPixel];
}
- pDestData[byte] = raw_byte + PathPredictor(left, up, upper_left);
+ pDestData[byte] = raw_byte + PaethPredictor(left, up, upper_left);
break;
}
default:
@@ -426,6 +490,73 @@ 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,
@@ -832,29 +963,41 @@ FX_DWORD CCodec_FlateModule::FlateOrLZWDecode(FX_BOOL bLZW,
}
return ret ? offset : -1;
}
-
-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_BOOL CCodec_FlateModule::Encode(const uint8_t* src_buf,
FX_DWORD src_size,
- uint8_t** dest_buf,
- FX_DWORD* dest_size) {
- uint8_t* pSrcBuf = FX_Alloc(uint8_t, 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);
FXSYS_memcpy(pSrcBuf, src_buf, src_size);
- PNG_PredictorEncode(pSrcBuf, src_size);
- FX_BOOL ret = Encode(pSrcBuf, src_size, dest_buf, dest_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);
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 820a5c7004..043964f254 100644
--- a/core/src/fxcodec/codec/fx_codec_jpeg.cpp
+++ b/core/src/fxcodec/codec/fx_codec_jpeg.cpp
@@ -74,17 +74,171 @@ 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;
-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) {
+ 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) {
_JpegScanSOI(src_buf, src_size);
struct jpeg_decompress_struct cinfo;
struct jpeg_error_mgr jerr;
@@ -98,7 +252,7 @@ static 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;
@@ -112,21 +266,30 @@ static bool JpegLoadInfo(const uint8_t* src_buf,
cinfo.src = &src;
if (setjmp(mark) == -1) {
jpeg_destroy_decompress(&cinfo);
- return false;
+ return FALSE;
+ }
+ if (icc_buf_ptr && icc_length) {
+ jpeg_save_markers(&cinfo, JPEG_MARKER_ICC, JPEG_MARKER_MAXSIZE);
}
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;
+ bits_per_components = cinfo.data_precision;
+ if (icc_buf_ptr) {
+ *icc_buf_ptr = NULL;
+ }
+ if (icc_length) {
+ *icc_length = 0;
+ }
jpeg_destroy_decompress(&cinfo);
- return true;
+ return TRUE;
}
class CCodec_JpegDecoder : public CCodec_ScanlineDecoder {
@@ -349,17 +512,31 @@ ICodec_ScanlineDecoder* CCodec_JpegModule::CreateDecoder(
}
return pDecoder;
}
-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::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);
}
+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
new file mode 100644
index 0000000000..f9fd8dea30
--- /dev/null
+++ b/core/src/fxge/ge/fx_ge_ps.cpp
@@ -0,0 +1,699 @@
+// 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 2024-10-31 17:09:23 +0000