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authordan sinclair <dsinclair@chromium.org>2016-03-23 19:21:44 -0400
committerdan sinclair <dsinclair@chromium.org>2016-03-23 19:21:44 -0400
commit61b2fc718910a5ab2a75ec5026b239ff33bccfdc (patch)
tree4031f4cea10dac3d77969035e66fc17235cb1d3d /core/fpdfapi/fpdf_page
parent46a8a2041868c5df6883647226dab1482e2bf4c2 (diff)
downloadpdfium-61b2fc718910a5ab2a75ec5026b239ff33bccfdc.tar.xz
Split core/include/fpdfapi/fpdf_resource.h
This CL splits apart the core/include/fpdfapi/fpdf_resource.h file and places the classes into individual files. R=tsepez@chromium.org Review URL: https://codereview.chromium.org/1824033002 .
Diffstat (limited to 'core/fpdfapi/fpdf_page')
-rw-r--r--core/fpdfapi/fpdf_page/cpdf_allstates.cpp1
-rw-r--r--core/fpdfapi/fpdf_page/cpdf_color.cpp180
-rw-r--r--core/fpdfapi/fpdf_page/cpdf_colorspace.cpp1253
-rw-r--r--core/fpdfapi/fpdf_page/cpdf_colorstate.cpp4
-rw-r--r--core/fpdfapi/fpdf_page/cpdf_colorstatedata.h2
-rw-r--r--core/fpdfapi/fpdf_page/cpdf_countedobject.h45
-rw-r--r--core/fpdfapi/fpdf_page/cpdf_image.cpp461
-rw-r--r--core/fpdfapi/fpdf_page/cpdf_imageobject.cpp1
-rw-r--r--core/fpdfapi/fpdf_page/cpdf_meshstream.cpp119
-rw-r--r--core/fpdfapi/fpdf_page/cpdf_meshstream.h63
-rw-r--r--core/fpdfapi/fpdf_page/cpdf_page.cpp1
-rw-r--r--core/fpdfapi/fpdf_page/cpdf_pageobjectholder.cpp1
-rw-r--r--core/fpdfapi/fpdf_page/cpdf_pattern.cpp21
-rw-r--r--core/fpdfapi/fpdf_page/cpdf_pattern.h39
-rw-r--r--core/fpdfapi/fpdf_page/cpdf_shadingobject.cpp1
-rw-r--r--core/fpdfapi/fpdf_page/cpdf_shadingpattern.cpp101
-rw-r--r--core/fpdfapi/fpdf_page/cpdf_shadingpattern.h62
-rw-r--r--core/fpdfapi/fpdf_page/cpdf_textobject.cpp3
-rw-r--r--core/fpdfapi/fpdf_page/cpdf_textstate.cpp1
-rw-r--r--core/fpdfapi/fpdf_page/cpdf_textstatedata.cpp2
-rw-r--r--core/fpdfapi/fpdf_page/cpdf_tilingpattern.cpp51
-rw-r--r--core/fpdfapi/fpdf_page/cpdf_tilingpattern.h34
-rw-r--r--core/fpdfapi/fpdf_page/fpdf_page_colors.cpp1338
-rw-r--r--core/fpdfapi/fpdf_page/fpdf_page_doc.cpp9
-rw-r--r--core/fpdfapi/fpdf_page/fpdf_page_func.cpp2
-rw-r--r--core/fpdfapi/fpdf_page/fpdf_page_image.cpp66
-rw-r--r--core/fpdfapi/fpdf_page/fpdf_page_parser.cpp6
-rw-r--r--core/fpdfapi/fpdf_page/fpdf_page_parser_old.cpp3
-rw-r--r--core/fpdfapi/fpdf_page/fpdf_page_pattern.cpp239
-rw-r--r--core/fpdfapi/fpdf_page/include/cpdf_color.h47
-rw-r--r--core/fpdfapi/fpdf_page/include/cpdf_colorspace.h122
-rw-r--r--core/fpdfapi/fpdf_page/include/cpdf_formobject.h2
-rw-r--r--core/fpdfapi/fpdf_page/include/cpdf_image.h98
-rw-r--r--core/fpdfapi/fpdf_page/pageint.h16
34 files changed, 2756 insertions, 1638 deletions
diff --git a/core/fpdfapi/fpdf_page/cpdf_allstates.cpp b/core/fpdfapi/fpdf_page/cpdf_allstates.cpp
index 96ccc77f81..5d02381d2e 100644
--- a/core/fpdfapi/fpdf_page/cpdf_allstates.cpp
+++ b/core/fpdfapi/fpdf_page/cpdf_allstates.cpp
@@ -8,6 +8,7 @@
#include "core/fpdfapi/fpdf_page/pageint.h"
#include "core/fpdfapi/fpdf_parser/include/cpdf_array.h"
+#include "core/fpdfapi/fpdf_parser/include/cpdf_dictionary.h"
namespace {
diff --git a/core/fpdfapi/fpdf_page/cpdf_color.cpp b/core/fpdfapi/fpdf_page/cpdf_color.cpp
new file mode 100644
index 0000000000..d174660d4a
--- /dev/null
+++ b/core/fpdfapi/fpdf_page/cpdf_color.cpp
@@ -0,0 +1,180 @@
+// Copyright 2016 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/fpdfapi/fpdf_page/include/cpdf_color.h"
+
+#include "core/fpdfapi/fpdf_page/pageint.h"
+#include "core/fpdfapi/fpdf_parser/include/cpdf_array.h"
+#include "core/fpdfapi/fpdf_parser/include/cpdf_document.h"
+#include "core/fxcrt/include/fx_system.h"
+
+CPDF_Color::CPDF_Color(int family) {
+ m_pCS = CPDF_ColorSpace::GetStockCS(family);
+ int nComps = 3;
+ if (family == PDFCS_DEVICEGRAY)
+ nComps = 1;
+ else if (family == PDFCS_DEVICECMYK)
+ nComps = 4;
+
+ m_pBuffer = FX_Alloc(FX_FLOAT, nComps);
+ for (int i = 0; i < nComps; i++)
+ m_pBuffer[i] = 0;
+}
+
+CPDF_Color::~CPDF_Color() {
+ ReleaseBuffer();
+ ReleaseColorSpace();
+}
+
+void CPDF_Color::ReleaseBuffer() {
+ if (!m_pBuffer)
+ return;
+
+ if (m_pCS->GetFamily() == PDFCS_PATTERN) {
+ PatternValue* pvalue = (PatternValue*)m_pBuffer;
+ CPDF_Pattern* pPattern =
+ pvalue->m_pCountedPattern ? pvalue->m_pCountedPattern->get() : nullptr;
+ if (pPattern && pPattern->m_pDocument) {
+ CPDF_DocPageData* pPageData = pPattern->m_pDocument->GetPageData();
+ if (pPageData)
+ pPageData->ReleasePattern(pPattern->m_pPatternObj);
+ }
+ }
+ FX_Free(m_pBuffer);
+ m_pBuffer = nullptr;
+}
+
+void CPDF_Color::ReleaseColorSpace() {
+ if (m_pCS && m_pCS->m_pDocument && m_pCS->GetArray()) {
+ m_pCS->m_pDocument->GetPageData()->ReleaseColorSpace(m_pCS->GetArray());
+ m_pCS = nullptr;
+ }
+}
+
+void CPDF_Color::SetColorSpace(CPDF_ColorSpace* pCS) {
+ if (m_pCS == pCS) {
+ if (!m_pBuffer)
+ m_pBuffer = pCS->CreateBuf();
+
+ ReleaseColorSpace();
+ m_pCS = pCS;
+ return;
+ }
+ ReleaseBuffer();
+ ReleaseColorSpace();
+
+ m_pCS = pCS;
+ if (m_pCS) {
+ m_pBuffer = pCS->CreateBuf();
+ pCS->GetDefaultColor(m_pBuffer);
+ }
+}
+
+void CPDF_Color::SetValue(FX_FLOAT* comps) {
+ if (!m_pBuffer)
+ return;
+ if (m_pCS->GetFamily() != PDFCS_PATTERN)
+ FXSYS_memcpy(m_pBuffer, comps, m_pCS->CountComponents() * sizeof(FX_FLOAT));
+}
+
+void CPDF_Color::SetValue(CPDF_Pattern* pPattern, FX_FLOAT* comps, int ncomps) {
+ if (ncomps > MAX_PATTERN_COLORCOMPS)
+ return;
+
+ if (!m_pCS || m_pCS->GetFamily() != PDFCS_PATTERN) {
+ FX_Free(m_pBuffer);
+ m_pCS = CPDF_ColorSpace::GetStockCS(PDFCS_PATTERN);
+ m_pBuffer = m_pCS->CreateBuf();
+ }
+
+ CPDF_DocPageData* pDocPageData = nullptr;
+ PatternValue* pvalue = (PatternValue*)m_pBuffer;
+ if (pvalue->m_pPattern && pvalue->m_pPattern->m_pDocument) {
+ pDocPageData = pvalue->m_pPattern->m_pDocument->GetPageData();
+ if (pDocPageData)
+ pDocPageData->ReleasePattern(pvalue->m_pPattern->m_pPatternObj);
+ }
+ pvalue->m_nComps = ncomps;
+ pvalue->m_pPattern = pPattern;
+ if (ncomps)
+ FXSYS_memcpy(pvalue->m_Comps, comps, ncomps * sizeof(FX_FLOAT));
+
+ pvalue->m_pCountedPattern = nullptr;
+ if (pPattern && pPattern->m_pDocument) {
+ if (!pDocPageData)
+ pDocPageData = pPattern->m_pDocument->GetPageData();
+
+ pvalue->m_pCountedPattern =
+ pDocPageData->FindPatternPtr(pPattern->m_pPatternObj);
+ }
+}
+
+void CPDF_Color::Copy(const CPDF_Color* pSrc) {
+ ReleaseBuffer();
+ ReleaseColorSpace();
+
+ m_pCS = pSrc->m_pCS;
+ if (m_pCS && m_pCS->m_pDocument) {
+ CPDF_Array* pArray = m_pCS->GetArray();
+ if (pArray)
+ m_pCS = m_pCS->m_pDocument->GetPageData()->GetCopiedColorSpace(pArray);
+ }
+ if (!m_pCS)
+ return;
+
+ m_pBuffer = m_pCS->CreateBuf();
+ FXSYS_memcpy(m_pBuffer, pSrc->m_pBuffer, m_pCS->GetBufSize());
+ if (m_pCS->GetFamily() == PDFCS_PATTERN) {
+ PatternValue* pvalue = (PatternValue*)m_pBuffer;
+ if (pvalue->m_pPattern && pvalue->m_pPattern->m_pDocument) {
+ pvalue->m_pPattern =
+ pvalue->m_pPattern->m_pDocument->GetPageData()->GetPattern(
+ pvalue->m_pPattern->m_pPatternObj, FALSE,
+ &pvalue->m_pPattern->m_ParentMatrix);
+ }
+ }
+}
+
+FX_BOOL CPDF_Color::GetRGB(int& R, int& G, int& B) const {
+ if (!m_pCS || !m_pBuffer)
+ return FALSE;
+
+ FX_FLOAT r = 0.0f, g = 0.0f, b = 0.0f;
+ if (!m_pCS->GetRGB(m_pBuffer, r, g, b))
+ return FALSE;
+
+ R = (int32_t)(r * 255 + 0.5f);
+ G = (int32_t)(g * 255 + 0.5f);
+ B = (int32_t)(b * 255 + 0.5f);
+ return TRUE;
+}
+
+CPDF_Pattern* CPDF_Color::GetPattern() const {
+ if (!m_pBuffer || m_pCS->GetFamily() != PDFCS_PATTERN)
+ return nullptr;
+
+ PatternValue* pvalue = (PatternValue*)m_pBuffer;
+ return pvalue->m_pPattern;
+}
+
+CPDF_ColorSpace* CPDF_Color::GetPatternCS() const {
+ if (!m_pBuffer || m_pCS->GetFamily() != PDFCS_PATTERN)
+ return nullptr;
+ return m_pCS->GetBaseCS();
+}
+
+FX_FLOAT* CPDF_Color::GetPatternColor() const {
+ if (!m_pBuffer || m_pCS->GetFamily() != PDFCS_PATTERN)
+ return nullptr;
+
+ PatternValue* pvalue = (PatternValue*)m_pBuffer;
+ return pvalue->m_nComps ? pvalue->m_Comps : nullptr;
+}
+
+FX_BOOL CPDF_Color::IsEqual(const CPDF_Color& other) const {
+ return m_pCS && m_pCS == other.m_pCS &&
+ FXSYS_memcmp(m_pBuffer, other.m_pBuffer, m_pCS->GetBufSize()) == 0;
+}
diff --git a/core/fpdfapi/fpdf_page/cpdf_colorspace.cpp b/core/fpdfapi/fpdf_page/cpdf_colorspace.cpp
new file mode 100644
index 0000000000..b1b464471d
--- /dev/null
+++ b/core/fpdfapi/fpdf_page/cpdf_colorspace.cpp
@@ -0,0 +1,1253 @@
+// Copyright 2016 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/fpdfapi/fpdf_page/include/cpdf_colorspace.h"
+
+#include "core/fpdfapi/fpdf_page/pageint.h"
+#include "core/fpdfapi/fpdf_parser/include/cpdf_array.h"
+#include "core/fpdfapi/fpdf_parser/include/cpdf_dictionary.h"
+#include "core/fpdfapi/fpdf_parser/include/cpdf_document.h"
+#include "core/fpdfapi/fpdf_parser/include/cpdf_object.h"
+#include "core/fpdfapi/fpdf_parser/include/cpdf_stream.h"
+#include "core/fpdfapi/fpdf_parser/include/cpdf_stream_acc.h"
+#include "core/fpdfapi/fpdf_parser/include/cpdf_string.h"
+#include "core/fpdfapi/include/cpdf_modulemgr.h"
+#include "core/include/fxcodec/fx_codec.h"
+
+namespace {
+
+const uint8_t g_sRGBSamples1[] = {
+ 0, 3, 6, 10, 13, 15, 18, 20, 22, 23, 25, 27, 28, 30, 31,
+ 32, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47,
+ 48, 49, 49, 50, 51, 52, 53, 53, 54, 55, 56, 56, 57, 58, 58,
+ 59, 60, 61, 61, 62, 62, 63, 64, 64, 65, 66, 66, 67, 67, 68,
+ 68, 69, 70, 70, 71, 71, 72, 72, 73, 73, 74, 74, 75, 76, 76,
+ 77, 77, 78, 78, 79, 79, 79, 80, 80, 81, 81, 82, 82, 83, 83,
+ 84, 84, 85, 85, 85, 86, 86, 87, 87, 88, 88, 88, 89, 89, 90,
+ 90, 91, 91, 91, 92, 92, 93, 93, 93, 94, 94, 95, 95, 95, 96,
+ 96, 97, 97, 97, 98, 98, 98, 99, 99, 99, 100, 100, 101, 101, 101,
+ 102, 102, 102, 103, 103, 103, 104, 104, 104, 105, 105, 106, 106, 106, 107,
+ 107, 107, 108, 108, 108, 109, 109, 109, 110, 110, 110, 110, 111, 111, 111,
+ 112, 112, 112, 113, 113, 113, 114, 114, 114, 115, 115, 115, 115, 116, 116,
+ 116, 117, 117, 117, 118, 118, 118, 118, 119, 119, 119, 120,
+};
+
+const uint8_t g_sRGBSamples2[] = {
+ 120, 121, 122, 124, 125, 126, 127, 128, 129, 130, 131, 132, 133, 134, 135,
+ 136, 137, 138, 139, 140, 141, 142, 143, 144, 145, 146, 147, 148, 148, 149,
+ 150, 151, 152, 153, 154, 155, 155, 156, 157, 158, 159, 159, 160, 161, 162,
+ 163, 163, 164, 165, 166, 167, 167, 168, 169, 170, 170, 171, 172, 173, 173,
+ 174, 175, 175, 176, 177, 178, 178, 179, 180, 180, 181, 182, 182, 183, 184,
+ 185, 185, 186, 187, 187, 188, 189, 189, 190, 190, 191, 192, 192, 193, 194,
+ 194, 195, 196, 196, 197, 197, 198, 199, 199, 200, 200, 201, 202, 202, 203,
+ 203, 204, 205, 205, 206, 206, 207, 208, 208, 209, 209, 210, 210, 211, 212,
+ 212, 213, 213, 214, 214, 215, 215, 216, 216, 217, 218, 218, 219, 219, 220,
+ 220, 221, 221, 222, 222, 223, 223, 224, 224, 225, 226, 226, 227, 227, 228,
+ 228, 229, 229, 230, 230, 231, 231, 232, 232, 233, 233, 234, 234, 235, 235,
+ 236, 236, 237, 237, 238, 238, 238, 239, 239, 240, 240, 241, 241, 242, 242,
+ 243, 243, 244, 244, 245, 245, 246, 246, 246, 247, 247, 248, 248, 249, 249,
+ 250, 250, 251, 251, 251, 252, 252, 253, 253, 254, 254, 255, 255,
+};
+
+class CPDF_CalGray : public CPDF_ColorSpace {
+ public:
+ explicit CPDF_CalGray(CPDF_Document* pDoc);
+
+ FX_BOOL v_Load(CPDF_Document* pDoc, CPDF_Array* pArray) override;
+
+ FX_BOOL GetRGB(FX_FLOAT* pBuf,
+ FX_FLOAT& R,
+ FX_FLOAT& G,
+ FX_FLOAT& B) const override;
+ FX_BOOL SetRGB(FX_FLOAT* pBuf,
+ FX_FLOAT R,
+ FX_FLOAT G,
+ FX_FLOAT B) const override;
+
+ void TranslateImageLine(uint8_t* pDestBuf,
+ const uint8_t* pSrcBuf,
+ int pixels,
+ int image_width,
+ int image_height,
+ FX_BOOL bTransMask = FALSE) const override;
+
+ private:
+ FX_FLOAT m_WhitePoint[3];
+ FX_FLOAT m_BlackPoint[3];
+ FX_FLOAT m_Gamma;
+};
+
+class CPDF_CalRGB : public CPDF_ColorSpace {
+ public:
+ explicit CPDF_CalRGB(CPDF_Document* pDoc);
+
+ FX_BOOL v_Load(CPDF_Document* pDoc, CPDF_Array* pArray) override;
+
+ FX_BOOL GetRGB(FX_FLOAT* pBuf,
+ FX_FLOAT& R,
+ FX_FLOAT& G,
+ FX_FLOAT& B) const override;
+ FX_BOOL SetRGB(FX_FLOAT* pBuf,
+ FX_FLOAT R,
+ FX_FLOAT G,
+ FX_FLOAT B) const override;
+
+ void TranslateImageLine(uint8_t* pDestBuf,
+ const uint8_t* pSrcBuf,
+ int pixels,
+ int image_width,
+ int image_height,
+ FX_BOOL bTransMask = FALSE) const override;
+
+ FX_FLOAT m_WhitePoint[3];
+ FX_FLOAT m_BlackPoint[3];
+ FX_FLOAT m_Gamma[3];
+ FX_FLOAT m_Matrix[9];
+ FX_BOOL m_bGamma;
+ FX_BOOL m_bMatrix;
+};
+
+class CPDF_LabCS : public CPDF_ColorSpace {
+ public:
+ explicit CPDF_LabCS(CPDF_Document* pDoc);
+
+ FX_BOOL v_Load(CPDF_Document* pDoc, CPDF_Array* pArray) override;
+
+ void GetDefaultValue(int iComponent,
+ FX_FLOAT& value,
+ FX_FLOAT& min,
+ FX_FLOAT& max) const override;
+ FX_BOOL GetRGB(FX_FLOAT* pBuf,
+ FX_FLOAT& R,
+ FX_FLOAT& G,
+ FX_FLOAT& B) const override;
+ FX_BOOL SetRGB(FX_FLOAT* pBuf,
+ FX_FLOAT R,
+ FX_FLOAT G,
+ FX_FLOAT B) const override;
+
+ void TranslateImageLine(uint8_t* pDestBuf,
+ const uint8_t* pSrcBuf,
+ int pixels,
+ int image_width,
+ int image_height,
+ FX_BOOL bTransMask = FALSE) const override;
+
+ FX_FLOAT m_WhitePoint[3];
+ FX_FLOAT m_BlackPoint[3];
+ FX_FLOAT m_Ranges[4];
+};
+
+class CPDF_ICCBasedCS : public CPDF_ColorSpace {
+ public:
+ explicit CPDF_ICCBasedCS(CPDF_Document* pDoc);
+ ~CPDF_ICCBasedCS() override;
+
+ FX_BOOL v_Load(CPDF_Document* pDoc, CPDF_Array* pArray) override;
+
+ FX_BOOL GetRGB(FX_FLOAT* pBuf,
+ FX_FLOAT& R,
+ FX_FLOAT& G,
+ FX_FLOAT& B) const override;
+ FX_BOOL SetRGB(FX_FLOAT* pBuf,
+ FX_FLOAT R,
+ FX_FLOAT G,
+ FX_FLOAT B) const override;
+
+ FX_BOOL v_GetCMYK(FX_FLOAT* pBuf,
+ FX_FLOAT& c,
+ FX_FLOAT& m,
+ FX_FLOAT& y,
+ FX_FLOAT& k) const override;
+
+ void EnableStdConversion(FX_BOOL bEnabled) override;
+ void TranslateImageLine(uint8_t* pDestBuf,
+ const uint8_t* pSrcBuf,
+ int pixels,
+ int image_width,
+ int image_height,
+ FX_BOOL bTransMask = FALSE) const override;
+
+ CPDF_ColorSpace* m_pAlterCS;
+ CPDF_IccProfile* m_pProfile;
+ uint8_t* m_pCache;
+ FX_FLOAT* m_pRanges;
+ FX_BOOL m_bOwn;
+};
+
+class CPDF_IndexedCS : public CPDF_ColorSpace {
+ public:
+ explicit CPDF_IndexedCS(CPDF_Document* pDoc);
+ ~CPDF_IndexedCS() override;
+
+ FX_BOOL v_Load(CPDF_Document* pDoc, CPDF_Array* pArray) override;
+
+ FX_BOOL GetRGB(FX_FLOAT* pBuf,
+ FX_FLOAT& R,
+ FX_FLOAT& G,
+ FX_FLOAT& B) const override;
+ CPDF_ColorSpace* GetBaseCS() const override;
+
+ void EnableStdConversion(FX_BOOL bEnabled) override;
+
+ CPDF_ColorSpace* m_pBaseCS;
+ CPDF_CountedColorSpace* m_pCountedBaseCS;
+ int m_nBaseComponents;
+ int m_MaxIndex;
+ CFX_ByteString m_Table;
+ FX_FLOAT* m_pCompMinMax;
+};
+
+class CPDF_SeparationCS : public CPDF_ColorSpace {
+ public:
+ explicit CPDF_SeparationCS(CPDF_Document* pDoc);
+ ~CPDF_SeparationCS() override;
+
+ // CPDF_ColorSpace:
+ void GetDefaultValue(int iComponent,
+ FX_FLOAT& value,
+ FX_FLOAT& min,
+ FX_FLOAT& max) const override;
+ FX_BOOL v_Load(CPDF_Document* pDoc, CPDF_Array* pArray) override;
+ FX_BOOL GetRGB(FX_FLOAT* pBuf,
+ FX_FLOAT& R,
+ FX_FLOAT& G,
+ FX_FLOAT& B) const override;
+ void EnableStdConversion(FX_BOOL bEnabled) override;
+
+ CPDF_ColorSpace* m_pAltCS;
+ CPDF_Function* m_pFunc;
+ enum { None, All, Colorant } m_Type;
+};
+
+class CPDF_DeviceNCS : public CPDF_ColorSpace {
+ public:
+ explicit CPDF_DeviceNCS(CPDF_Document* pDoc);
+ ~CPDF_DeviceNCS() override;
+
+ // CPDF_ColorSpace:
+ void GetDefaultValue(int iComponent,
+ FX_FLOAT& value,
+ FX_FLOAT& min,
+ FX_FLOAT& max) const override;
+ FX_BOOL v_Load(CPDF_Document* pDoc, CPDF_Array* pArray) override;
+ FX_BOOL GetRGB(FX_FLOAT* pBuf,
+ FX_FLOAT& R,
+ FX_FLOAT& G,
+ FX_FLOAT& B) const override;
+ void EnableStdConversion(FX_BOOL bEnabled) override;
+
+ CPDF_ColorSpace* m_pAltCS;
+ CPDF_Function* m_pFunc;
+};
+
+FX_FLOAT RGB_Conversion(FX_FLOAT colorComponent) {
+ if (colorComponent > 1)
+ colorComponent = 1;
+ if (colorComponent < 0)
+ colorComponent = 0;
+
+ int scale = (int)(colorComponent * 1023);
+ if (scale < 0)
+ scale = 0;
+ if (scale < 192)
+ colorComponent = (g_sRGBSamples1[scale] / 255.0f);
+ else
+ colorComponent = (g_sRGBSamples2[scale / 4 - 48] / 255.0f);
+ return colorComponent;
+}
+
+void XYZ_to_sRGB(FX_FLOAT X,
+ FX_FLOAT Y,
+ FX_FLOAT Z,
+ FX_FLOAT& R,
+ FX_FLOAT& G,
+ FX_FLOAT& B) {
+ FX_FLOAT R1 = 3.2410f * X - 1.5374f * Y - 0.4986f * Z;
+ FX_FLOAT G1 = -0.9692f * X + 1.8760f * Y + 0.0416f * Z;
+ FX_FLOAT B1 = 0.0556f * X - 0.2040f * Y + 1.0570f * Z;
+
+ R = RGB_Conversion(R1);
+ G = RGB_Conversion(G1);
+ B = RGB_Conversion(B1);
+}
+
+void XYZ_to_sRGB_WhitePoint(FX_FLOAT X,
+ FX_FLOAT Y,
+ FX_FLOAT Z,
+ FX_FLOAT& R,
+ FX_FLOAT& G,
+ FX_FLOAT& B,
+ FX_FLOAT Xw,
+ FX_FLOAT Yw,
+ FX_FLOAT Zw) {
+ // The following RGB_xyz is based on
+ // sRGB value {Rx,Ry}={0.64, 0.33}, {Gx,Gy}={0.30, 0.60}, {Bx,By}={0.15, 0.06}
+
+ FX_FLOAT Rx = 0.64f, Ry = 0.33f;
+ FX_FLOAT Gx = 0.30f, Gy = 0.60f;
+ FX_FLOAT Bx = 0.15f, By = 0.06f;
+ CFX_Matrix_3by3 RGB_xyz(Rx, Gx, Bx, Ry, Gy, By, 1 - Rx - Ry, 1 - Gx - Gy,
+ 1 - Bx - By);
+ CFX_Vector_3by1 whitePoint(Xw, Yw, Zw);
+ CFX_Vector_3by1 XYZ(X, Y, Z);
+
+ CFX_Vector_3by1 RGB_Sum_XYZ = RGB_xyz.Inverse().TransformVector(whitePoint);
+ CFX_Matrix_3by3 RGB_SUM_XYZ_DIAG(RGB_Sum_XYZ.a, 0, 0, 0, RGB_Sum_XYZ.b, 0, 0,
+ 0, RGB_Sum_XYZ.c);
+ CFX_Matrix_3by3 M = RGB_xyz.Multiply(RGB_SUM_XYZ_DIAG);
+ CFX_Vector_3by1 RGB = M.Inverse().TransformVector(XYZ);
+
+ R = RGB_Conversion(RGB.a);
+ G = RGB_Conversion(RGB.b);
+ B = RGB_Conversion(RGB.c);
+}
+
+} // namespace
+
+CPDF_ColorSpace* CPDF_ColorSpace::ColorspaceFromName(
+ const CFX_ByteString& name) {
+ if (name == "DeviceRGB" || name == "RGB") {
+ return CPDF_ColorSpace::GetStockCS(PDFCS_DEVICERGB);
+ }
+ if (name == "DeviceGray" || name == "G") {
+ return CPDF_ColorSpace::GetStockCS(PDFCS_DEVICEGRAY);
+ }
+ if (name == "DeviceCMYK" || name == "CMYK") {
+ return CPDF_ColorSpace::GetStockCS(PDFCS_DEVICECMYK);
+ }
+ if (name == "Pattern") {
+ return CPDF_ColorSpace::GetStockCS(PDFCS_PATTERN);
+ }
+ return NULL;
+}
+
+CPDF_ColorSpace* CPDF_ColorSpace::GetStockCS(int family) {
+ return CPDF_ModuleMgr::Get()->GetPageModule()->GetStockCS(family);
+}
+
+CPDF_ColorSpace* CPDF_ColorSpace::Load(CPDF_Document* pDoc, CPDF_Object* pObj) {
+ if (!pObj)
+ return nullptr;
+ if (pObj->IsName())
+ return ColorspaceFromName(pObj->GetString());
+
+ if (CPDF_Stream* pStream = pObj->AsStream()) {
+ CPDF_Dictionary* pDict = pStream->GetDict();
+ if (!pDict)
+ return nullptr;
+
+ for (const auto& it : *pDict) {
+ CPDF_ColorSpace* pRet = nullptr;
+ CPDF_Object* pValue = it.second;
+ if (ToName(pValue))
+ pRet = ColorspaceFromName(pValue->GetString());
+ if (pRet)
+ return pRet;
+ }
+ return nullptr;
+ }
+
+ CPDF_Array* pArray = pObj->AsArray();
+ if (!pArray || pArray->GetCount() == 0)
+ return nullptr;
+
+ CPDF_Object* pFamilyObj = pArray->GetElementValue(0);
+ if (!pFamilyObj)
+ return nullptr;
+
+ CFX_ByteString familyname = pFamilyObj->GetString();
+ if (pArray->GetCount() == 1)
+ return ColorspaceFromName(familyname);
+
+ CPDF_ColorSpace* pCS = NULL;
+ FX_DWORD id = familyname.GetID();
+ if (id == FXBSTR_ID('C', 'a', 'l', 'G')) {
+ pCS = new CPDF_CalGray(pDoc);
+ } else if (id == FXBSTR_ID('C', 'a', 'l', 'R')) {
+ pCS = new CPDF_CalRGB(pDoc);
+ } else if (id == FXBSTR_ID('L', 'a', 'b', 0)) {
+ pCS = new CPDF_LabCS(pDoc);
+ } else if (id == FXBSTR_ID('I', 'C', 'C', 'B')) {
+ pCS = new CPDF_ICCBasedCS(pDoc);
+ } else if (id == FXBSTR_ID('I', 'n', 'd', 'e') ||
+ id == FXBSTR_ID('I', 0, 0, 0)) {
+ pCS = new CPDF_IndexedCS(pDoc);
+ } else if (id == FXBSTR_ID('S', 'e', 'p', 'a')) {
+ pCS = new CPDF_SeparationCS(pDoc);
+ } else if (id == FXBSTR_ID('D', 'e', 'v', 'i')) {
+ pCS = new CPDF_DeviceNCS(pDoc);
+ } else if (id == FXBSTR_ID('P', 'a', 't', 't')) {
+ pCS = new CPDF_PatternCS(pDoc);
+ } else {
+ return NULL;
+ }
+ pCS->m_pArray = pArray;
+ if (!pCS->v_Load(pDoc, pArray)) {
+ pCS->ReleaseCS();
+ return NULL;
+ }
+ return pCS;
+}
+
+void CPDF_ColorSpace::ReleaseCS() {
+ if (this == GetStockCS(PDFCS_DEVICERGB)) {
+ return;
+ }
+ if (this == GetStockCS(PDFCS_DEVICEGRAY)) {
+ return;
+ }
+ if (this == GetStockCS(PDFCS_DEVICECMYK)) {
+ return;
+ }
+ if (this == GetStockCS(PDFCS_PATTERN)) {
+ return;
+ }
+ delete this;
+}
+
+int CPDF_ColorSpace::GetBufSize() const {
+ if (m_Family == PDFCS_PATTERN) {
+ return sizeof(PatternValue);
+ }
+ return m_nComponents * sizeof(FX_FLOAT);
+}
+
+FX_FLOAT* CPDF_ColorSpace::CreateBuf() {
+ int size = GetBufSize();
+ uint8_t* pBuf = FX_Alloc(uint8_t, size);
+ return (FX_FLOAT*)pBuf;
+}
+
+FX_BOOL CPDF_ColorSpace::sRGB() const {
+ if (m_Family == PDFCS_DEVICERGB) {
+ return TRUE;
+ }
+ if (m_Family != PDFCS_ICCBASED) {
+ return FALSE;
+ }
+ CPDF_ICCBasedCS* pCS = (CPDF_ICCBasedCS*)this;
+ return pCS->m_pProfile->m_bsRGB;
+}
+
+FX_BOOL CPDF_ColorSpace::GetCMYK(FX_FLOAT* pBuf,
+ FX_FLOAT& c,
+ FX_FLOAT& m,
+ FX_FLOAT& y,
+ FX_FLOAT& k) const {
+ if (v_GetCMYK(pBuf, c, m, y, k)) {
+ return TRUE;
+ }
+ FX_FLOAT R, G, B;
+ if (!GetRGB(pBuf, R, G, B)) {
+ return FALSE;
+ }
+ sRGB_to_AdobeCMYK(R, G, B, c, m, y, k);
+ return TRUE;
+}
+
+FX_BOOL CPDF_ColorSpace::SetCMYK(FX_FLOAT* pBuf,
+ FX_FLOAT c,
+ FX_FLOAT m,
+ FX_FLOAT y,
+ FX_FLOAT k) const {
+ if (v_SetCMYK(pBuf, c, m, y, k)) {
+ return TRUE;
+ }
+ FX_FLOAT R, G, B;
+ AdobeCMYK_to_sRGB(c, m, y, k, R, G, B);
+ return SetRGB(pBuf, R, G, B);
+}
+
+void CPDF_ColorSpace::GetDefaultColor(FX_FLOAT* buf) const {
+ if (!buf || m_Family == PDFCS_PATTERN) {
+ return;
+ }
+ FX_FLOAT min, max;
+ for (int i = 0; i < m_nComponents; i++) {
+ GetDefaultValue(i, buf[i], min, max);
+ }
+}
+
+int CPDF_ColorSpace::GetMaxIndex() const {
+ if (m_Family != PDFCS_INDEXED) {
+ return 0;
+ }
+ CPDF_IndexedCS* pCS = (CPDF_IndexedCS*)this;
+ return pCS->m_MaxIndex;
+}
+
+void CPDF_ColorSpace::TranslateImageLine(uint8_t* dest_buf,
+ const uint8_t* src_buf,
+ int pixels,
+ int image_width,
+ int image_height,
+ FX_BOOL bTransMask) const {
+ CFX_FixedBufGrow<FX_FLOAT, 16> srcbuf(m_nComponents);
+ FX_FLOAT* src = srcbuf;
+ FX_FLOAT R, G, B;
+ for (int i = 0; i < pixels; i++) {
+ for (int j = 0; j < m_nComponents; j++)
+ if (m_Family == PDFCS_INDEXED) {
+ src[j] = (FX_FLOAT)(*src_buf++);
+ } else {
+ src[j] = (FX_FLOAT)(*src_buf++) / 255;
+ }
+ GetRGB(src, R, G, B);
+ *dest_buf++ = (int32_t)(B * 255);
+ *dest_buf++ = (int32_t)(G * 255);
+ *dest_buf++ = (int32_t)(R * 255);
+ }
+}
+
+void CPDF_ColorSpace::EnableStdConversion(FX_BOOL bEnabled) {
+ if (bEnabled)
+ m_dwStdConversion++;
+ else if (m_dwStdConversion)
+ m_dwStdConversion--;
+}
+
+CPDF_CalGray::CPDF_CalGray(CPDF_Document* pDoc)
+ : CPDF_ColorSpace(pDoc, PDFCS_CALGRAY, 1) {}
+
+FX_BOOL CPDF_CalGray::v_Load(CPDF_Document* pDoc, CPDF_Array* pArray) {
+ CPDF_Dictionary* pDict = pArray->GetDictAt(1);
+ if (!pDict)
+ return FALSE;
+
+ CPDF_Array* pParam = pDict->GetArrayBy("WhitePoint");
+ int i;
+ for (i = 0; i < 3; i++)
+ m_WhitePoint[i] = pParam ? pParam->GetNumberAt(i) : 0;
+
+ pParam = pDict->GetArrayBy("BlackPoint");
+ for (i = 0; i < 3; i++)
+ m_BlackPoint[i] = pParam ? pParam->GetNumberAt(i) : 0;
+
+ m_Gamma = pDict->GetNumberBy("Gamma");
+ if (m_Gamma == 0)
+ m_Gamma = 1.0f;
+ return TRUE;
+}
+
+FX_BOOL CPDF_CalGray::GetRGB(FX_FLOAT* pBuf,
+ FX_FLOAT& R,
+ FX_FLOAT& G,
+ FX_FLOAT& B) const {
+ R = G = B = *pBuf;
+ return TRUE;
+}
+
+FX_BOOL CPDF_CalGray::SetRGB(FX_FLOAT* pBuf,
+ FX_FLOAT R,
+ FX_FLOAT G,
+ FX_FLOAT B) const {
+ if (R == G && R == B) {
+ *pBuf = R;
+ return TRUE;
+ }
+ return FALSE;
+}
+
+void CPDF_CalGray::TranslateImageLine(uint8_t* pDestBuf,
+ const uint8_t* pSrcBuf,
+ int pixels,
+ int image_width,
+ int image_height,
+ FX_BOOL bTransMask) const {
+ for (int i = 0; i < pixels; i++) {
+ *pDestBuf++ = pSrcBuf[i];
+ *pDestBuf++ = pSrcBuf[i];
+ *pDestBuf++ = pSrcBuf[i];
+ }
+}
+
+CPDF_CalRGB::CPDF_CalRGB(CPDF_Document* pDoc)
+ : CPDF_ColorSpace(pDoc, PDFCS_CALRGB, 3) {}
+
+FX_BOOL CPDF_CalRGB::v_Load(CPDF_Document* pDoc, CPDF_Array* pArray) {
+ CPDF_Dictionary* pDict = pArray->GetDictAt(1);
+ if (!pDict)
+ return FALSE;
+
+ CPDF_Array* pParam = pDict->GetArrayBy("WhitePoint");
+ int i;
+ for (i = 0; i < 3; i++)
+ m_WhitePoint[i] = pParam ? pParam->GetNumberAt(i) : 0;
+
+ pParam = pDict->GetArrayBy("BlackPoint");
+ for (i = 0; i < 3; i++)
+ m_BlackPoint[i] = pParam ? pParam->GetNumberAt(i) : 0;
+
+ pParam = pDict->GetArrayBy("Gamma");
+ if (pParam) {
+ m_bGamma = TRUE;
+ for (i = 0; i < 3; i++)
+ m_Gamma[i] = pParam->GetNumberAt(i);
+ } else {
+ m_bGamma = FALSE;
+ }
+
+ pParam = pDict->GetArrayBy("Matrix");
+ if (pParam) {
+ m_bMatrix = TRUE;
+ for (i = 0; i < 9; i++)
+ m_Matrix[i] = pParam->GetNumberAt(i);
+ } else {
+ m_bMatrix = FALSE;
+ }
+ return TRUE;
+}
+
+FX_BOOL CPDF_CalRGB::GetRGB(FX_FLOAT* pBuf,
+ FX_FLOAT& R,
+ FX_FLOAT& G,
+ FX_FLOAT& B) const {
+ FX_FLOAT A_ = pBuf[0];
+ FX_FLOAT B_ = pBuf[1];
+ FX_FLOAT C_ = pBuf[2];
+ if (m_bGamma) {
+ A_ = (FX_FLOAT)FXSYS_pow(A_, m_Gamma[0]);
+ B_ = (FX_FLOAT)FXSYS_pow(B_, m_Gamma[1]);
+ C_ = (FX_FLOAT)FXSYS_pow(C_, m_Gamma[2]);
+ }
+
+ FX_FLOAT X;
+ FX_FLOAT Y;
+ FX_FLOAT Z;
+ if (m_bMatrix) {
+ X = m_Matrix[0] * A_ + m_Matrix[3] * B_ + m_Matrix[6] * C_;
+ Y = m_Matrix[1] * A_ + m_Matrix[4] * B_ + m_Matrix[7] * C_;
+ Z = m_Matrix[2] * A_ + m_Matrix[5] * B_ + m_Matrix[8] * C_;
+ } else {
+ X = A_;
+ Y = B_;
+ Z = C_;
+ }
+ XYZ_to_sRGB_WhitePoint(X, Y, Z, R, G, B, m_WhitePoint[0], m_WhitePoint[1],
+ m_WhitePoint[2]);
+ return TRUE;
+}
+
+FX_BOOL CPDF_CalRGB::SetRGB(FX_FLOAT* pBuf,
+ FX_FLOAT R,
+ FX_FLOAT G,
+ FX_FLOAT B) const {
+ pBuf[0] = R;
+ pBuf[1] = G;
+ pBuf[2] = B;
+ return TRUE;
+}
+
+void CPDF_CalRGB::TranslateImageLine(uint8_t* pDestBuf,
+ const uint8_t* pSrcBuf,
+ int pixels,
+ int image_width,
+ int image_height,
+ FX_BOOL bTransMask) const {
+ if (bTransMask) {
+ FX_FLOAT Cal[3];
+ FX_FLOAT R;
+ FX_FLOAT G;
+ FX_FLOAT B;
+ for (int i = 0; i < pixels; i++) {
+ Cal[0] = ((FX_FLOAT)pSrcBuf[2]) / 255;
+ Cal[1] = ((FX_FLOAT)pSrcBuf[1]) / 255;
+ Cal[2] = ((FX_FLOAT)pSrcBuf[0]) / 255;
+ GetRGB(Cal, R, G, B);
+ pDestBuf[0] = FXSYS_round(B * 255);
+ pDestBuf[1] = FXSYS_round(G * 255);
+ pDestBuf[2] = FXSYS_round(R * 255);
+ pSrcBuf += 3;
+ pDestBuf += 3;
+ }
+ }
+ ReverseRGB(pDestBuf, pSrcBuf, pixels);
+}
+
+CPDF_LabCS::CPDF_LabCS(CPDF_Document* pDoc)
+ : CPDF_ColorSpace(pDoc, PDFCS_LAB, 3) {}
+
+void CPDF_LabCS::GetDefaultValue(int iComponent,
+ FX_FLOAT& value,
+ FX_FLOAT& min,
+ FX_FLOAT& max) const {
+ assert(iComponent < 3);
+ value = 0;
+ if (iComponent == 0) {
+ min = 0;
+ max = 100 * 1.0f;
+ } else {
+ min = m_Ranges[iComponent * 2 - 2];
+ max = m_Ranges[iComponent * 2 - 1];
+ if (value < min)
+ value = min;
+ else if (value > max)
+ value = max;
+ }
+}
+
+FX_BOOL CPDF_LabCS::v_Load(CPDF_Document* pDoc, CPDF_Array* pArray) {
+ CPDF_Dictionary* pDict = pArray->GetDictAt(1);
+ if (!pDict)
+ return FALSE;
+
+ CPDF_Array* pParam = pDict->GetArrayBy("WhitePoint");
+ int i;
+ for (i = 0; i < 3; i++)
+ m_WhitePoint[i] = pParam ? pParam->GetNumberAt(i) : 0;
+
+ pParam = pDict->GetArrayBy("BlackPoint");
+ for (i = 0; i < 3; i++)
+ m_BlackPoint[i] = pParam ? pParam->GetNumberAt(i) : 0;
+
+ pParam = pDict->GetArrayBy("Range");
+ const FX_FLOAT def_ranges[4] = {-100 * 1.0f, 100 * 1.0f, -100 * 1.0f,
+ 100 * 1.0f};
+ for (i = 0; i < 4; i++)
+ m_Ranges[i] = pParam ? pParam->GetNumberAt(i) : def_ranges[i];
+ return TRUE;
+}
+
+FX_BOOL CPDF_LabCS::GetRGB(FX_FLOAT* pBuf,
+ FX_FLOAT& R,
+ FX_FLOAT& G,
+ FX_FLOAT& B) const {
+ FX_FLOAT Lstar = pBuf[0];
+ FX_FLOAT astar = pBuf[1];
+ FX_FLOAT bstar = pBuf[2];
+ FX_FLOAT M = (Lstar + 16.0f) / 116.0f;
+ FX_FLOAT L = M + astar / 500.0f;
+ FX_FLOAT N = M - bstar / 200.0f;
+ FX_FLOAT X, Y, Z;
+ if (L < 0.2069f)
+ X = 0.957f * 0.12842f * (L - 0.1379f);
+ else
+ X = 0.957f * L * L * L;
+
+ if (M < 0.2069f)
+ Y = 0.12842f * (M - 0.1379f);
+ else
+ Y = M * M * M;
+
+ if (N < 0.2069f)
+ Z = 1.0889f * 0.12842f * (N - 0.1379f);
+ else
+ Z = 1.0889f * N * N * N;
+
+ XYZ_to_sRGB(X, Y, Z, R, G, B);
+ return TRUE;
+}
+
+FX_BOOL CPDF_LabCS::SetRGB(FX_FLOAT* pBuf,
+ FX_FLOAT R,
+ FX_FLOAT G,
+ FX_FLOAT B) const {
+ return FALSE;
+}
+
+void CPDF_LabCS::TranslateImageLine(uint8_t* pDestBuf,
+ const uint8_t* pSrcBuf,
+ int pixels,
+ int image_width,
+ int image_height,
+ FX_BOOL bTransMask) const {
+ for (int i = 0; i < pixels; i++) {
+ FX_FLOAT lab[3];
+ FX_FLOAT R, G, B;
+ lab[0] = (pSrcBuf[0] * 100 / 255.0f);
+ lab[1] = (FX_FLOAT)(pSrcBuf[1] - 128);
+ lab[2] = (FX_FLOAT)(pSrcBuf[2] - 128);
+ GetRGB(lab, R, G, B);
+ pDestBuf[0] = (int32_t)(B * 255);
+ pDestBuf[1] = (int32_t)(G * 255);
+ pDestBuf[2] = (int32_t)(R * 255);
+ pDestBuf += 3;
+ pSrcBuf += 3;
+ }
+}
+
+CPDF_ICCBasedCS::CPDF_ICCBasedCS(CPDF_Document* pDoc)
+ : CPDF_ColorSpace(pDoc, PDFCS_ICCBASED, 0),
+ m_pAlterCS(nullptr),
+ m_pProfile(nullptr),
+ m_pCache(nullptr),
+ m_pRanges(nullptr),
+ m_bOwn(FALSE) {}
+
+CPDF_ICCBasedCS::~CPDF_ICCBasedCS() {
+ FX_Free(m_pCache);
+ FX_Free(m_pRanges);
+ if (m_pAlterCS && m_bOwn)
+ m_pAlterCS->ReleaseCS();
+ if (m_pProfile && m_pDocument)
+ m_pDocument->GetPageData()->ReleaseIccProfile(m_pProfile);
+}
+
+FX_BOOL CPDF_ICCBasedCS::v_Load(CPDF_Document* pDoc, CPDF_Array* pArray) {
+ CPDF_Stream* pStream = pArray->GetStreamAt(1);
+ if (!pStream)
+ return FALSE;
+
+ m_pProfile = pDoc->LoadIccProfile(pStream);
+ if (!m_pProfile)
+ return FALSE;
+
+ m_nComponents =
+ m_pProfile
+ ->GetComponents(); // Try using the nComponents from ICC profile
+ CPDF_Dictionary* pDict = pStream->GetDict();
+ if (!m_pProfile->m_pTransform) { // No valid ICC profile or using sRGB
+ CPDF_Object* pAlterCSObj =
+ pDict ? pDict->GetElementValue("Alternate") : nullptr;
+ if (pAlterCSObj) {
+ CPDF_ColorSpace* pAlterCS = CPDF_ColorSpace::Load(pDoc, pAlterCSObj);
+ if (pAlterCS) {
+ if (m_nComponents == 0) { // NO valid ICC profile
+ if (pAlterCS->CountComponents() > 0) { // Use Alternative colorspace
+ m_nComponents = pAlterCS->CountComponents();
+ m_pAlterCS = pAlterCS;
+ m_bOwn = TRUE;
+ } else { // No valid alternative colorspace
+ pAlterCS->ReleaseCS();
+ int32_t nDictComponents = pDict ? pDict->GetIntegerBy("N") : 0;
+ if (nDictComponents != 1 && nDictComponents != 3 &&
+ nDictComponents != 4) {
+ return FALSE;
+ }
+ m_nComponents = nDictComponents;
+ }
+
+ } else { // Using sRGB
+ if (pAlterCS->CountComponents() != m_nComponents) {
+ pAlterCS->ReleaseCS();
+ } else {
+ m_pAlterCS = pAlterCS;
+ m_bOwn = TRUE;
+ }
+ }
+ }
+ }
+ if (!m_pAlterCS) {
+ if (m_nComponents == 1)
+ m_pAlterCS = GetStockCS(PDFCS_DEVICEGRAY);
+ else if (m_nComponents == 3)
+ m_pAlterCS = GetStockCS(PDFCS_DEVICERGB);
+ else if (m_nComponents == 4)
+ m_pAlterCS = GetStockCS(PDFCS_DEVICECMYK);
+ }
+ }
+ CPDF_Array* pRanges = pDict->GetArrayBy("Range");
+ m_pRanges = FX_Alloc2D(FX_FLOAT, m_nComponents, 2);
+ for (int i = 0; i < m_nComponents * 2; i++) {
+ if (pRanges)
+ m_pRanges[i] = pRanges->GetNumberAt(i);
+ else if (i % 2)
+ m_pRanges[i] = 1.0f;
+ else
+ m_pRanges[i] = 0;
+ }
+ return TRUE;
+}
+
+FX_BOOL CPDF_ICCBasedCS::GetRGB(FX_FLOAT* pBuf,
+ FX_FLOAT& R,
+ FX_FLOAT& G,
+ FX_FLOAT& B) const {
+ if (m_pProfile && m_pProfile->m_bsRGB) {
+ R = pBuf[0];
+ G = pBuf[1];
+ B = pBuf[2];
+ return TRUE;
+ }
+ ICodec_IccModule* pIccModule = CPDF_ModuleMgr::Get()->GetIccModule();
+ if (!m_pProfile->m_pTransform || !pIccModule) {
+ if (m_pAlterCS) {
+ return m_pAlterCS->GetRGB(pBuf, R, G, B);
+ }
+ R = G = B = 0.0f;
+ return TRUE;
+ }
+ FX_FLOAT rgb[3];
+ pIccModule->SetComponents(m_nComponents);
+ pIccModule->Translate(m_pProfile->m_pTransform, pBuf, rgb);
+ R = rgb[0];
+ G = rgb[1];
+ B = rgb[2];
+ return TRUE;
+}
+
+FX_BOOL CPDF_ICCBasedCS::SetRGB(FX_FLOAT* pBuf,
+ FX_FLOAT R,
+ FX_FLOAT G,
+ FX_FLOAT B) const {
+ return FALSE;
+}
+
+FX_BOOL CPDF_ICCBasedCS::v_GetCMYK(FX_FLOAT* pBuf,
+ FX_FLOAT& c,
+ FX_FLOAT& m,
+ FX_FLOAT& y,
+ FX_FLOAT& k) const {
+ if (m_nComponents != 4)
+ return FALSE;
+
+ c = pBuf[0];
+ m = pBuf[1];
+ y = pBuf[2];
+ k = pBuf[3];
+ return TRUE;
+}
+
+void CPDF_ICCBasedCS::EnableStdConversion(FX_BOOL bEnabled) {
+ CPDF_ColorSpace::EnableStdConversion(bEnabled);
+ if (m_pAlterCS)
+ m_pAlterCS->EnableStdConversion(bEnabled);
+}
+
+void CPDF_ICCBasedCS::TranslateImageLine(uint8_t* pDestBuf,
+ const uint8_t* pSrcBuf,
+ int pixels,
+ int image_width,
+ int image_height,
+ FX_BOOL bTransMask) const {
+ if (m_pProfile->m_bsRGB) {
+ ReverseRGB(pDestBuf, pSrcBuf, pixels);
+ } else if (m_pProfile->m_pTransform) {
+ int nMaxColors = 1;
+ for (int i = 0; i < m_nComponents; i++) {
+ nMaxColors *= 52;
+ }
+ if (m_nComponents > 3 || image_width * image_height < nMaxColors * 3 / 2) {
+ CPDF_ModuleMgr::Get()->GetIccModule()->TranslateScanline(
+ m_pProfile->m_pTransform, pDestBuf, pSrcBuf, pixels);
+ } else {
+ if (!m_pCache) {
+ ((CPDF_ICCBasedCS*)this)->m_pCache = FX_Alloc2D(uint8_t, nMaxColors, 3);
+ uint8_t* temp_src = FX_Alloc2D(uint8_t, nMaxColors, m_nComponents);
+ uint8_t* pSrc = temp_src;
+ for (int i = 0; i < nMaxColors; i++) {
+ FX_DWORD color = i;
+ FX_DWORD order = nMaxColors / 52;
+ for (int c = 0; c < m_nComponents; c++) {
+ *pSrc++ = (uint8_t)(color / order * 5);
+ color %= order;
+ order /= 52;
+ }
+ }
+ CPDF_ModuleMgr::Get()->GetIccModule()->TranslateScanline(
+ m_pProfile->m_pTransform, m_pCache, temp_src, nMaxColors);
+ FX_Free(temp_src);
+ }
+ for (int i = 0; i < pixels; i++) {
+ int index = 0;
+ for (int c = 0; c < m_nComponents; c++) {
+ index = index * 52 + (*pSrcBuf) / 5;
+ pSrcBuf++;
+ }
+ index *= 3;
+ *pDestBuf++ = m_pCache[index];
+ *pDestBuf++ = m_pCache[index + 1];
+ *pDestBuf++ = m_pCache[index + 2];
+ }
+ }
+ } else if (m_pAlterCS) {
+ m_pAlterCS->TranslateImageLine(pDestBuf, pSrcBuf, pixels, image_width,
+ image_height);
+ }
+}
+
+CPDF_IndexedCS::CPDF_IndexedCS(CPDF_Document* pDoc)
+ : CPDF_ColorSpace(pDoc, PDFCS_INDEXED, 1),
+ m_pBaseCS(nullptr),
+ m_pCountedBaseCS(nullptr),
+ m_pCompMinMax(nullptr) {}
+
+CPDF_IndexedCS::~CPDF_IndexedCS() {
+ FX_Free(m_pCompMinMax);
+ CPDF_ColorSpace* pCS = m_pCountedBaseCS ? m_pCountedBaseCS->get() : NULL;
+ if (pCS && m_pDocument) {
+ m_pDocument->GetPageData()->ReleaseColorSpace(pCS->GetArray());
+ }
+}
+
+FX_BOOL CPDF_IndexedCS::v_Load(CPDF_Document* pDoc, CPDF_Array* pArray) {
+ if (pArray->GetCount() < 4) {
+ return FALSE;
+ }
+ CPDF_Object* pBaseObj = pArray->GetElementValue(1);
+ if (pBaseObj == m_pArray) {
+ return FALSE;
+ }
+ CPDF_DocPageData* pDocPageData = pDoc->GetPageData();
+ m_pBaseCS = pDocPageData->GetColorSpace(pBaseObj, NULL);
+ if (!m_pBaseCS) {
+ return FALSE;
+ }
+ m_pCountedBaseCS = pDocPageData->FindColorSpacePtr(m_pBaseCS->GetArray());
+ m_nBaseComponents = m_pBaseCS->CountComponents();
+ m_pCompMinMax = FX_Alloc2D(FX_FLOAT, m_nBaseComponents, 2);
+ FX_FLOAT defvalue;
+ for (int i = 0; i < m_nBaseComponents; i++) {
+ m_pBaseCS->GetDefaultValue(i, defvalue, m_pCompMinMax[i * 2],
+ m_pCompMinMax[i * 2 + 1]);
+ m_pCompMinMax[i * 2 + 1] -= m_pCompMinMax[i * 2];
+ }
+ m_MaxIndex = pArray->GetIntegerAt(2);
+
+ CPDF_Object* pTableObj = pArray->GetElementValue(3);
+ if (!pTableObj)
+ return FALSE;
+
+ if (CPDF_String* pString = pTableObj->AsString()) {
+ m_Table = pString->GetString();
+ } else if (CPDF_Stream* pStream = pTableObj->AsStream()) {
+ CPDF_StreamAcc acc;
+ acc.LoadAllData(pStream, FALSE);
+ m_Table = CFX_ByteStringC(acc.GetData(), acc.GetSize());
+ }
+ return TRUE;
+}
+
+FX_BOOL CPDF_IndexedCS::GetRGB(FX_FLOAT* pBuf,
+ FX_FLOAT& R,
+ FX_FLOAT& G,
+ FX_FLOAT& B) const {
+ int index = (int32_t)(*pBuf);
+ if (index < 0 || index > m_MaxIndex) {
+ return FALSE;
+ }
+ if (m_nBaseComponents) {
+ if (index == INT_MAX || (index + 1) > INT_MAX / m_nBaseComponents ||
+ (index + 1) * m_nBaseComponents > (int)m_Table.GetLength()) {
+ R = G = B = 0;
+ return FALSE;
+ }
+ }
+ CFX_FixedBufGrow<FX_FLOAT, 16> Comps(m_nBaseComponents);
+ FX_FLOAT* comps = Comps;
+ const uint8_t* pTable = m_Table;
+ for (int i = 0; i < m_nBaseComponents; i++) {
+ comps[i] =
+ m_pCompMinMax[i * 2] +
+ m_pCompMinMax[i * 2 + 1] * pTable[index * m_nBaseComponents + i] / 255;
+ }
+ return m_pBaseCS->GetRGB(comps, R, G, B);
+}
+
+CPDF_ColorSpace* CPDF_IndexedCS::GetBaseCS() const {
+ return m_pBaseCS;
+}
+
+void CPDF_IndexedCS::EnableStdConversion(FX_BOOL bEnabled) {
+ CPDF_ColorSpace::EnableStdConversion(bEnabled);
+ if (m_pBaseCS) {
+ m_pBaseCS->EnableStdConversion(bEnabled);
+ }
+}
+
+CPDF_PatternCS::CPDF_PatternCS(CPDF_Document* pDoc)
+ : CPDF_ColorSpace(pDoc, PDFCS_PATTERN, 1),
+ m_pBaseCS(nullptr),
+ m_pCountedBaseCS(nullptr) {}
+
+CPDF_PatternCS::~CPDF_PatternCS() {
+ CPDF_ColorSpace* pCS = m_pCountedBaseCS ? m_pCountedBaseCS->get() : NULL;
+ if (pCS && m_pDocument) {
+ m_pDocument->GetPageData()->ReleaseColorSpace(pCS->GetArray());
+ }
+}
+
+FX_BOOL CPDF_PatternCS::v_Load(CPDF_Document* pDoc, CPDF_Array* pArray) {
+ CPDF_Object* pBaseCS = pArray->GetElementValue(1);
+ if (pBaseCS == m_pArray) {
+ return FALSE;
+ }
+ CPDF_DocPageData* pDocPageData = pDoc->GetPageData();
+ m_pBaseCS = pDocPageData->GetColorSpace(pBaseCS, NULL);
+ if (m_pBaseCS) {
+ if (m_pBaseCS->GetFamily() == PDFCS_PATTERN) {
+ return FALSE;
+ }
+ m_pCountedBaseCS = pDocPageData->FindColorSpacePtr(m_pBaseCS->GetArray());
+ m_nComponents = m_pBaseCS->CountComponents() + 1;
+ if (m_pBaseCS->CountComponents() > MAX_PATTERN_COLORCOMPS) {
+ return FALSE;
+ }
+ } else {
+ m_nComponents = 1;
+ }
+ return TRUE;
+}
+
+FX_BOOL CPDF_PatternCS::GetRGB(FX_FLOAT* pBuf,
+ FX_FLOAT& R,
+ FX_FLOAT& G,
+ FX_FLOAT& B) const {
+ if (m_pBaseCS) {
+ ASSERT(m_pBaseCS->GetFamily() != PDFCS_PATTERN);
+ PatternValue* pvalue = (PatternValue*)pBuf;
+ if (m_pBaseCS->GetRGB(pvalue->m_Comps, R, G, B)) {
+ return TRUE;
+ }
+ }
+ R = G = B = 0.75f;
+ return FALSE;
+}
+
+CPDF_ColorSpace* CPDF_PatternCS::GetBaseCS() const {
+ return m_pBaseCS;
+}
+
+CPDF_SeparationCS::CPDF_SeparationCS(CPDF_Document* pDoc)
+ : CPDF_ColorSpace(pDoc, PDFCS_SEPARATION, 1),
+ m_pAltCS(nullptr),
+ m_pFunc(nullptr) {}
+
+CPDF_SeparationCS::~CPDF_SeparationCS() {
+ if (m_pAltCS) {
+ m_pAltCS->ReleaseCS();
+ }
+ delete m_pFunc;
+}
+
+void CPDF_SeparationCS::GetDefaultValue(int iComponent,
+ FX_FLOAT& value,
+ FX_FLOAT& min,
+ FX_FLOAT& max) const {
+ value = 1.0f;
+ min = 0;
+ max = 1.0f;
+}
+
+FX_BOOL CPDF_SeparationCS::v_Load(CPDF_Document* pDoc, CPDF_Array* pArray) {
+ CFX_ByteString name = pArray->GetStringAt(1);
+ if (name == "None") {
+ m_Type = None;
+ } else {
+ m_Type = Colorant;
+ CPDF_Object* pAltCS = pArray->GetElementValue(2);
+ if (pAltCS == m_pArray) {
+ return FALSE;
+ }
+ m_pAltCS = Load(pDoc, pAltCS);
+ if (!m_pAltCS) {
+ return FALSE;
+ }
+ CPDF_Object* pFuncObj = pArray->GetElementValue(3);
+ if (pFuncObj && !pFuncObj->IsName())
+ m_pFunc = CPDF_Function::Load(pFuncObj);
+
+ if (m_pFunc && m_pFunc->CountOutputs() < m_pAltCS->CountComponents()) {
+ delete m_pFunc;
+ m_pFunc = NULL;
+ }
+ }
+ return TRUE;
+}
+
+FX_BOOL CPDF_SeparationCS::GetRGB(FX_FLOAT* pBuf,
+ FX_FLOAT& R,
+ FX_FLOAT& G,
+ FX_FLOAT& B) const {
+ if (m_Type == None) {
+ return FALSE;
+ }
+ if (!m_pFunc) {
+ if (!m_pAltCS) {
+ return FALSE;
+ }
+ int nComps = m_pAltCS->CountComponents();
+ CFX_FixedBufGrow<FX_FLOAT, 16> results(nComps);
+ for (int i = 0; i < nComps; i++) {
+ results[i] = *pBuf;
+ }
+ return m_pAltCS->GetRGB(results, R, G, B);
+ }
+ CFX_FixedBufGrow<FX_FLOAT, 16> results(m_pFunc->CountOutputs());
+ int nresults = 0;
+ m_pFunc->Call(pBuf, 1, results, nresults);
+ if (nresults == 0) {
+ return FALSE;
+ }
+ if (m_pAltCS) {
+ return m_pAltCS->GetRGB(results, R, G, B);
+ }
+ R = G = B = 0;
+ return FALSE;
+}
+
+void CPDF_SeparationCS::EnableStdConversion(FX_BOOL bEnabled) {
+ CPDF_ColorSpace::EnableStdConversion(bEnabled);
+ if (m_pAltCS) {
+ m_pAltCS->EnableStdConversion(bEnabled);
+ }
+}
+
+CPDF_DeviceNCS::CPDF_DeviceNCS(CPDF_Document* pDoc)
+ : CPDF_ColorSpace(pDoc, PDFCS_DEVICEN, 0),
+ m_pAltCS(nullptr),
+ m_pFunc(nullptr) {}
+
+CPDF_DeviceNCS::~CPDF_DeviceNCS() {
+ delete m_pFunc;
+ if (m_pAltCS) {
+ m_pAltCS->ReleaseCS();
+ }
+}
+
+void CPDF_DeviceNCS::GetDefaultValue(int iComponent,
+ FX_FLOAT& value,
+ FX_FLOAT& min,
+ FX_FLOAT& max) const {
+ value = 1.0f;
+ min = 0;
+ max = 1.0f;
+}
+
+FX_BOOL CPDF_DeviceNCS::v_Load(CPDF_Document* pDoc, CPDF_Array* pArray) {
+ CPDF_Array* pObj = ToArray(pArray->GetElementValue(1));
+ if (!pObj)
+ return FALSE;
+
+ m_nComponents = pObj->GetCount();
+ CPDF_Object* pAltCS = pArray->GetElementValue(2);
+ if (!pAltCS || pAltCS == m_pArray) {
+ return FALSE;
+ }
+ m_pAltCS = Load(pDoc, pAltCS);
+ m_pFunc = CPDF_Function::Load(pArray->GetElementValue(3));
+ if (!m_pAltCS || !m_pFunc) {
+ return FALSE;
+ }
+ if (m_pFunc->CountOutputs() < m_pAltCS->CountComponents()) {
+ return FALSE;
+ }
+ return TRUE;
+}
+
+FX_BOOL CPDF_DeviceNCS::GetRGB(FX_FLOAT* pBuf,
+ FX_FLOAT& R,
+ FX_FLOAT& G,
+ FX_FLOAT& B) const {
+ if (!m_pFunc) {
+ return FALSE;
+ }
+ CFX_FixedBufGrow<FX_FLOAT, 16> results(m_pFunc->CountOutputs());
+ int nresults = 0;
+ m_pFunc->Call(pBuf, m_nComponents, results, nresults);
+ if (nresults == 0) {
+ return FALSE;
+ }
+ return m_pAltCS->GetRGB(results, R, G, B);
+}
+
+void CPDF_DeviceNCS::EnableStdConversion(FX_BOOL bEnabled) {
+ CPDF_ColorSpace::EnableStdConversion(bEnabled);
+ if (m_pAltCS) {
+ m_pAltCS->EnableStdConversion(bEnabled);
+ }
+}
diff --git a/core/fpdfapi/fpdf_page/cpdf_colorstate.cpp b/core/fpdfapi/fpdf_page/cpdf_colorstate.cpp
index 02999c9d13..81e5e41d60 100644
--- a/core/fpdfapi/fpdf_page/cpdf_colorstate.cpp
+++ b/core/fpdfapi/fpdf_page/cpdf_colorstate.cpp
@@ -6,6 +6,10 @@
#include "core/fpdfapi/fpdf_page/cpdf_colorstate.h"
+#include "core/fpdfapi/fpdf_page/cpdf_pattern.h"
+#include "core/fpdfapi/fpdf_page/cpdf_tilingpattern.h"
+#include "core/include/fxge/fx_dib.h"
+
void CPDF_ColorState::SetFillColor(CPDF_ColorSpace* pCS,
FX_FLOAT* pValue,
int nValues) {
diff --git a/core/fpdfapi/fpdf_page/cpdf_colorstatedata.h b/core/fpdfapi/fpdf_page/cpdf_colorstatedata.h
index 319fea51ae..96e43bd9f3 100644
--- a/core/fpdfapi/fpdf_page/cpdf_colorstatedata.h
+++ b/core/fpdfapi/fpdf_page/cpdf_colorstatedata.h
@@ -7,8 +7,8 @@
#ifndef CORE_FPDFAPI_FPDF_PAGE_CPDF_COLORSTATEDATA_H_
#define CORE_FPDFAPI_FPDF_PAGE_CPDF_COLORSTATEDATA_H_
+#include "core/fpdfapi/fpdf_page/include/cpdf_color.h"
#include "core/fxcrt/include/fx_system.h"
-#include "core/include/fpdfapi/fpdf_resource.h"
class CPDF_ColorStateData {
public:
diff --git a/core/fpdfapi/fpdf_page/cpdf_countedobject.h b/core/fpdfapi/fpdf_page/cpdf_countedobject.h
new file mode 100644
index 0000000000..da840bec60
--- /dev/null
+++ b/core/fpdfapi/fpdf_page/cpdf_countedobject.h
@@ -0,0 +1,45 @@
+// Copyright 2016 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
+
+#ifndef CORE_FPDFAPI_FPDF_PAGE_CPDF_COUNTEDOBJECT_H_
+#define CORE_FPDFAPI_FPDF_PAGE_CPDF_COUNTEDOBJECT_H_
+
+#include "core/fpdfapi/fpdf_page/cpdf_pattern.h"
+#include "core/fpdfapi/fpdf_page/include/cpdf_colorspace.h"
+#include "core/fxcrt/include/fx_system.h"
+
+template <class T>
+class CPDF_CountedObject {
+ public:
+ explicit CPDF_CountedObject(T* ptr) : m_nCount(1), m_pObj(ptr) {}
+ void reset(T* ptr) { // CAUTION: tosses prior ref counts.
+ m_nCount = 1;
+ m_pObj = ptr;
+ }
+ void clear() { // Now you're all weak ptrs ...
+ delete m_pObj;
+ m_pObj = nullptr;
+ }
+ T* get() const { return m_pObj; }
+ T* AddRef() {
+ FXSYS_assert(m_pObj);
+ ++m_nCount;
+ return m_pObj;
+ }
+ void RemoveRef() {
+ if (m_nCount)
+ --m_nCount;
+ }
+ size_t use_count() const { return m_nCount; }
+
+ protected:
+ size_t m_nCount;
+ T* m_pObj;
+};
+using CPDF_CountedColorSpace = CPDF_CountedObject<CPDF_ColorSpace>;
+using CPDF_CountedPattern = CPDF_CountedObject<CPDF_Pattern>;
+
+#endif // CORE_FPDFAPI_FPDF_PAGE_CPDF_COUNTEDOBJECT_H_
diff --git a/core/fpdfapi/fpdf_page/cpdf_image.cpp b/core/fpdfapi/fpdf_page/cpdf_image.cpp
new file mode 100644
index 0000000000..d9e7d774be
--- /dev/null
+++ b/core/fpdfapi/fpdf_page/cpdf_image.cpp
@@ -0,0 +1,461 @@
+// Copyright 2016 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/fpdfapi/fpdf_page/include/cpdf_image.h"
+
+#include "core/fpdfapi/fpdf_parser/include/cpdf_document.h"
+#include "core/fpdfapi/include/cpdf_modulemgr.h"
+#include "core/fpdfapi/fpdf_parser/include/cpdf_array.h"
+#include "core/include/fxge/fx_dib.h"
+#include "core/fpdfapi/fpdf_page/pageint.h"
+#include "core/include/fxcodec/fx_codec.h"
+#include "core/fpdfapi/fpdf_parser/cpdf_boolean.h"
+#include "core/fpdfapi/fpdf_parser/include/cpdf_string.h"
+#include "core/fpdfapi/fpdf_page/include/cpdf_page.h"
+#include "core/fpdfapi/fpdf_render/cpdf_pagerendercache.h"
+#include "core/fpdfapi/fpdf_render/render_int.h"
+
+CPDF_Image::CPDF_Image(CPDF_Document* pDoc)
+ : m_pDIBSource(nullptr),
+ m_pMask(nullptr),
+ m_MatteColor(0),
+ m_pStream(nullptr),
+ m_bInline(FALSE),
+ m_pInlineDict(nullptr),
+ m_pDocument(pDoc),
+ m_pOC(nullptr) {}
+
+CPDF_Image::~CPDF_Image() {
+ if (m_bInline) {
+ if (m_pStream)
+ m_pStream->Release();
+ if (m_pInlineDict)
+ m_pInlineDict->Release();
+ }
+}
+
+void CPDF_Image::Release() {
+ if (m_bInline || (m_pStream && m_pStream->GetObjNum() == 0))
+ delete this;
+}
+
+CPDF_Image* CPDF_Image::Clone() {
+ if (m_pStream->GetObjNum())
+ return m_pDocument->GetPageData()->GetImage(m_pStream);
+
+ CPDF_Image* pImage = new CPDF_Image(m_pDocument);
+ pImage->LoadImageF(ToStream(m_pStream->Clone()), m_bInline);
+ if (m_bInline)
+ pImage->SetInlineDict(ToDictionary(m_pInlineDict->Clone(TRUE)));
+
+ return pImage;
+}
+
+FX_BOOL CPDF_Image::LoadImageF(CPDF_Stream* pStream, FX_BOOL bInline) {
+ m_pStream = pStream;
+ if (m_bInline && m_pInlineDict) {
+ m_pInlineDict->Release();
+ m_pInlineDict = NULL;
+ }
+ m_bInline = bInline;
+ CPDF_Dictionary* pDict = pStream->GetDict();
+ if (m_bInline) {
+ m_pInlineDict = ToDictionary(pDict->Clone());
+ }
+ m_pOC = pDict->GetDictBy("OC");
+ m_bIsMask =
+ !pDict->KeyExist("ColorSpace") || pDict->GetIntegerBy("ImageMask");
+ m_bInterpolate = pDict->GetIntegerBy("Interpolate");
+ m_Height = pDict->GetIntegerBy("Height");
+ m_Width = pDict->GetIntegerBy("Width");
+ return TRUE;
+}
+
+CPDF_Dictionary* CPDF_Image::InitJPEG(uint8_t* pData, FX_DWORD size) {
+ int32_t width;
+ int32_t height;
+ int32_t num_comps;
+ int32_t bits;
+ FX_BOOL color_trans;
+ if (!CPDF_ModuleMgr::Get()->GetJpegModule()->LoadInfo(
+ 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");
+ pDict->SetAtInteger("Width", width);
+ pDict->SetAtInteger("Height", height);
+ const FX_CHAR* csname = NULL;
+ if (num_comps == 1) {
+ csname = "DeviceGray";
+ } else if (num_comps == 3) {
+ csname = "DeviceRGB";
+ } else if (num_comps == 4) {
+ csname = "DeviceCMYK";
+ CPDF_Array* pDecode = new CPDF_Array;
+ for (int n = 0; n < 4; n++) {
+ pDecode->AddInteger(1);
+ pDecode->AddInteger(0);
+ }
+ pDict->SetAt("Decode", pDecode);
+ }
+ pDict->SetAtName("ColorSpace", csname);
+ pDict->SetAtInteger("BitsPerComponent", bits);
+ pDict->SetAtName("Filter", "DCTDecode");
+ if (!color_trans) {
+ CPDF_Dictionary* pParms = new CPDF_Dictionary;
+ pDict->SetAt("DecodeParms", pParms);
+ pParms->SetAtInteger("ColorTransform", 0);
+ }
+ m_bIsMask = FALSE;
+ m_Width = width;
+ m_Height = height;
+ if (!m_pStream) {
+ m_pStream = new CPDF_Stream(NULL, 0, NULL);
+ }
+ return pDict;
+}
+
+void CPDF_Image::SetJpegImage(uint8_t* pData, FX_DWORD size) {
+ CPDF_Dictionary* pDict = InitJPEG(pData, size);
+ if (!pDict) {
+ return;
+ }
+ m_pStream->InitStream(pData, size, pDict);
+}
+
+void CPDF_Image::SetJpegImage(IFX_FileRead* pFile) {
+ FX_DWORD size = (FX_DWORD)pFile->GetSize();
+ if (!size) {
+ return;
+ }
+ FX_DWORD dwEstimateSize = size;
+ if (dwEstimateSize > 8192) {
+ dwEstimateSize = 8192;
+ }
+ uint8_t* pData = FX_Alloc(uint8_t, dwEstimateSize);
+ pFile->ReadBlock(pData, 0, dwEstimateSize);
+ CPDF_Dictionary* pDict = InitJPEG(pData, dwEstimateSize);
+ FX_Free(pData);
+ if (!pDict && size > dwEstimateSize) {
+ pData = FX_Alloc(uint8_t, size);
+ pFile->ReadBlock(pData, 0, size);
+ pDict = InitJPEG(pData, size);
+ FX_Free(pData);
+ }
+ if (!pDict) {
+ return;
+ }
+ m_pStream->InitStreamFromFile(pFile, pDict);
+}
+
+void CPDF_Image::SetImage(const CFX_DIBitmap* pBitmap,
+ int32_t iCompress,
+ IFX_FileWrite* pFileWrite,
+ IFX_FileRead* pFileRead,
+ const CFX_DIBitmap* pMask) {
+ int32_t BitmapWidth = pBitmap->GetWidth();
+ int32_t BitmapHeight = pBitmap->GetHeight();
+ if (BitmapWidth < 1 || BitmapHeight < 1) {
+ return;
+ }
+ uint8_t* src_buf = pBitmap->GetBuffer();
+ int32_t src_pitch = pBitmap->GetPitch();
+ int32_t bpp = pBitmap->GetBPP();
+
+ CPDF_Dictionary* pDict = new CPDF_Dictionary;
+ pDict->SetAtName("Type", "XObject");
+ pDict->SetAtName("Subtype", "Image");
+ pDict->SetAtInteger("Width", BitmapWidth);
+ pDict->SetAtInteger("Height", BitmapHeight);
+ uint8_t* dest_buf = NULL;
+ FX_STRSIZE dest_pitch = 0, dest_size = 0, opType = -1;
+ if (bpp == 1) {
+ int32_t reset_a = 0, reset_r = 0, reset_g = 0, reset_b = 0;
+ int32_t set_a = 0, set_r = 0, set_g = 0, set_b = 0;
+ if (!pBitmap->IsAlphaMask()) {
+ ArgbDecode(pBitmap->GetPaletteArgb(0), reset_a, reset_r, reset_g,
+ reset_b);
+ ArgbDecode(pBitmap->GetPaletteArgb(1), set_a, set_r, set_g, set_b);
+ }
+ if (set_a == 0 || reset_a == 0) {
+ pDict->SetAt("ImageMask", new CPDF_Boolean(TRUE));
+ if (reset_a == 0) {
+ CPDF_Array* pArray = new CPDF_Array;
+ pArray->AddInteger(1);
+ pArray->AddInteger(0);
+ pDict->SetAt("Decode", pArray);
+ }
+ } else {
+ CPDF_Array* pCS = new CPDF_Array;
+ pCS->AddName("Indexed");
+ pCS->AddName("DeviceRGB");
+ pCS->AddInteger(1);
+ CFX_ByteString ct;
+ FX_CHAR* pBuf = ct.GetBuffer(6);
+ pBuf[0] = (FX_CHAR)reset_r;
+ pBuf[1] = (FX_CHAR)reset_g;
+ pBuf[2] = (FX_CHAR)reset_b;
+ pBuf[3] = (FX_CHAR)set_r;
+ pBuf[4] = (FX_CHAR)set_g;
+ pBuf[5] = (FX_CHAR)set_b;
+ ct.ReleaseBuffer(6);
+ pCS->Add(new CPDF_String(ct, TRUE));
+ pDict->SetAt("ColorSpace", pCS);
+ }
+ pDict->SetAtInteger("BitsPerComponent", 1);
+ dest_pitch = (BitmapWidth + 7) / 8;
+ if ((iCompress & 0x03) == PDF_IMAGE_NO_COMPRESS) {
+ opType = 1;
+ } else {
+ opType = 0;
+ }
+ } else if (bpp == 8) {
+ int32_t iPalette = pBitmap->GetPaletteSize();
+ if (iPalette > 0) {
+ CPDF_Array* pCS = new CPDF_Array;
+ m_pDocument->AddIndirectObject(pCS);
+ pCS->AddName("Indexed");
+ pCS->AddName("DeviceRGB");
+ pCS->AddInteger(iPalette - 1);
+ uint8_t* pColorTable = FX_Alloc2D(uint8_t, iPalette, 3);
+ uint8_t* ptr = pColorTable;
+ for (int32_t i = 0; i < iPalette; i++) {
+ FX_DWORD argb = pBitmap->GetPaletteArgb(i);
+ ptr[0] = (uint8_t)(argb >> 16);
+ ptr[1] = (uint8_t)(argb >> 8);
+ ptr[2] = (uint8_t)argb;
+ ptr += 3;
+ }
+ CPDF_Stream* pCTS =
+ new CPDF_Stream(pColorTable, iPalette * 3, new CPDF_Dictionary);
+ m_pDocument->AddIndirectObject(pCTS);
+ pCS->AddReference(m_pDocument, pCTS);
+ pDict->SetAtReference("ColorSpace", m_pDocument, pCS);
+ } else {
+ pDict->SetAtName("ColorSpace", "DeviceGray");
+ }
+ pDict->SetAtInteger("BitsPerComponent", 8);
+ if ((iCompress & 0x03) == PDF_IMAGE_NO_COMPRESS) {
+ dest_pitch = BitmapWidth;
+ opType = 1;
+ } else {
+ opType = 0;
+ }
+ } else {
+ pDict->SetAtName("ColorSpace", "DeviceRGB");
+ pDict->SetAtInteger("BitsPerComponent", 8);
+ if ((iCompress & 0x03) == PDF_IMAGE_NO_COMPRESS) {
+ dest_pitch = BitmapWidth * 3;
+ opType = 2;
+ } else {
+ opType = 0;
+ }
+ }
+ const CFX_DIBitmap* pMaskBitmap = NULL;
+ FX_BOOL bDeleteMask = FALSE;
+ if (pBitmap->HasAlpha()) {
+ pMaskBitmap = pBitmap->GetAlphaMask();
+ bDeleteMask = TRUE;
+ }
+ if (!pMaskBitmap && pMask) {
+ FXDIB_Format maskFormat = pMask->GetFormat();
+ if (maskFormat == FXDIB_1bppMask || maskFormat == FXDIB_8bppMask) {
+ pMaskBitmap = pMask;
+ }
+ }
+ if (pMaskBitmap) {
+ int32_t maskWidth = pMaskBitmap->GetWidth();
+ int32_t maskHeight = pMaskBitmap->GetHeight();
+ uint8_t* mask_buf = NULL;
+ FX_STRSIZE mask_size = 0;
+ CPDF_Dictionary* pMaskDict = new CPDF_Dictionary;
+ pMaskDict->SetAtName("Type", "XObject");
+ pMaskDict->SetAtName("Subtype", "Image");
+ pMaskDict->SetAtInteger("Width", maskWidth);
+ pMaskDict->SetAtInteger("Height", maskHeight);
+ pMaskDict->SetAtName("ColorSpace", "DeviceGray");
+ pMaskDict->SetAtInteger("BitsPerComponent", 8);
+ if (pMaskBitmap->GetBPP() == 8 &&
+ (iCompress & PDF_IMAGE_MASK_LOSSY_COMPRESS) != 0) {
+ } else if (pMaskBitmap->GetFormat() == FXDIB_1bppMask) {
+ } else {
+ mask_buf = FX_Alloc2D(uint8_t, maskHeight, maskWidth);
+ mask_size = maskHeight * maskWidth; // Safe since checked alloc returned.
+ for (int32_t a = 0; a < maskHeight; a++) {
+ FXSYS_memcpy(mask_buf + a * maskWidth, pMaskBitmap->GetScanline(a),
+ maskWidth);
+ }
+ }
+ pMaskDict->SetAtInteger("Length", mask_size);
+
+ CPDF_Stream* pMaskStream = new CPDF_Stream(mask_buf, mask_size, pMaskDict);
+ m_pDocument->AddIndirectObject(pMaskStream);
+ pDict->SetAtReference("SMask", m_pDocument, pMaskStream);
+ if (bDeleteMask) {
+ delete pMaskBitmap;
+ }
+ }
+ FX_BOOL bStream = pFileWrite && pFileRead;
+ if (opType == 0) {
+ if (iCompress & PDF_IMAGE_LOSSLESS_COMPRESS) {
+ } else {
+ if (pBitmap->GetBPP() == 1) {
+ } else if (pBitmap->GetBPP() >= 8 && pBitmap->GetPalette()) {
+ CFX_DIBitmap* pNewBitmap = new CFX_DIBitmap();
+ pNewBitmap->Copy(pBitmap);
+ pNewBitmap->ConvertFormat(FXDIB_Rgb);
+ SetImage(pNewBitmap, iCompress, pFileWrite, pFileRead);
+ if (pDict) {
+ pDict->Release();
+ pDict = NULL;
+ }
+ FX_Free(dest_buf);
+ dest_buf = NULL;
+ dest_size = 0;
+ delete pNewBitmap;
+ return;
+ }
+ }
+ if (bStream) {
+ pFileWrite->WriteBlock(dest_buf, dest_size);
+ FX_Free(dest_buf);
+ dest_buf = NULL;
+ }
+ } else if (opType == 1) {
+ if (!bStream) {
+ dest_buf = FX_Alloc2D(uint8_t, dest_pitch, BitmapHeight);
+ dest_size =
+ dest_pitch * BitmapHeight; // Safe since checked alloc returned.
+ }
+ uint8_t* pDest = dest_buf;
+ for (int32_t i = 0; i < BitmapHeight; i++) {
+ if (!bStream) {
+ FXSYS_memcpy(pDest, src_buf, dest_pitch);
+ pDest += dest_pitch;
+ } else {
+ pFileWrite->WriteBlock(src_buf, dest_pitch);
+ }
+ src_buf += src_pitch;
+ }
+ } else if (opType == 2) {
+ if (!bStream) {
+ dest_buf = FX_Alloc2D(uint8_t, dest_pitch, BitmapHeight);
+ dest_size =
+ dest_pitch * BitmapHeight; // Safe since checked alloc returned.
+ } else {
+ dest_buf = FX_Alloc(uint8_t, dest_pitch);
+ }
+ uint8_t* pDest = dest_buf;
+ int32_t src_offset = 0;
+ int32_t dest_offset = 0;
+ for (int32_t row = 0; row < BitmapHeight; row++) {
+ src_offset = row * src_pitch;
+ for (int32_t column = 0; column < BitmapWidth; column++) {
+ FX_FLOAT alpha = 1;
+ pDest[dest_offset] = (uint8_t)(src_buf[src_offset + 2] * alpha);
+ pDest[dest_offset + 1] = (uint8_t)(src_buf[src_offset + 1] * alpha);
+ pDest[dest_offset + 2] = (uint8_t)(src_buf[src_offset] * alpha);
+ dest_offset += 3;
+ src_offset += bpp == 24 ? 3 : 4;
+ }
+ if (bStream) {
+ pFileWrite->WriteBlock(pDest, dest_pitch);
+ pDest = dest_buf;
+ } else {
+ pDest += dest_pitch;
+ }
+ dest_offset = 0;
+ }
+ if (bStream) {
+ FX_Free(dest_buf);
+ dest_buf = NULL;
+ }
+ }
+ if (!m_pStream) {
+ m_pStream = new CPDF_Stream(NULL, 0, NULL);
+ }
+ if (!bStream) {
+ m_pStream->InitStream(dest_buf, dest_size, pDict);
+ } else {
+ pFileWrite->Flush();
+ m_pStream->InitStreamFromFile(pFileRead, pDict);
+ }
+ m_bIsMask = pBitmap->IsAlphaMask();
+ m_Width = BitmapWidth;
+ m_Height = BitmapHeight;
+ FX_Free(dest_buf);
+}
+
+void CPDF_Image::ResetCache(CPDF_Page* pPage, const CFX_DIBitmap* pBitmap) {
+ pPage->GetRenderCache()->ResetBitmap(m_pStream, pBitmap);
+}
+
+CFX_DIBSource* CPDF_Image::LoadDIBSource(CFX_DIBSource** ppMask,
+ FX_DWORD* pMatteColor,
+ FX_BOOL bStdCS,
+ FX_DWORD GroupFamily,
+ FX_BOOL bLoadMask) const {
+ std::unique_ptr<CPDF_DIBSource> source(new CPDF_DIBSource);
+ if (source->Load(m_pDocument, m_pStream,
+ reinterpret_cast<CPDF_DIBSource**>(ppMask), pMatteColor,
+ nullptr, nullptr, bStdCS, GroupFamily, bLoadMask)) {
+ return source.release();
+ }
+ return nullptr;
+}
+
+CFX_DIBSource* CPDF_Image::DetachBitmap() {
+ CFX_DIBSource* pBitmap = m_pDIBSource;
+ m_pDIBSource = nullptr;
+ return pBitmap;
+}
+
+CFX_DIBSource* CPDF_Image::DetachMask() {
+ CFX_DIBSource* pBitmap = m_pMask;
+ m_pMask = nullptr;
+ return pBitmap;
+}
+
+FX_BOOL CPDF_Image::StartLoadDIBSource(CPDF_Dictionary* pFormResource,
+ CPDF_Dictionary* pPageResource,
+ FX_BOOL bStdCS,
+ FX_DWORD GroupFamily,
+ FX_BOOL bLoadMask) {
+ std::unique_ptr<CPDF_DIBSource> source(new CPDF_DIBSource);
+ int ret =
+ source->StartLoadDIBSource(m_pDocument, m_pStream, TRUE, pFormResource,
+ pPageResource, bStdCS, GroupFamily, bLoadMask);
+ if (ret == 2) {
+ m_pDIBSource = source.release();
+ return TRUE;
+ }
+ if (!ret) {
+ m_pDIBSource = nullptr;
+ return FALSE;
+ }
+ m_pMask = source->DetachMask();
+ m_MatteColor = source->GetMatteColor();
+ m_pDIBSource = source.release();
+ return FALSE;
+}
+
+FX_BOOL CPDF_Image::Continue(IFX_Pause* pPause) {
+ CPDF_DIBSource* pSource = static_cast<CPDF_DIBSource*>(m_pDIBSource);
+ int ret = pSource->ContinueLoadDIBSource(pPause);
+ if (ret == 2) {
+ return TRUE;
+ }
+ if (!ret) {
+ delete m_pDIBSource;
+ m_pDIBSource = nullptr;
+ return FALSE;
+ }
+ m_pMask = pSource->DetachMask();
+ m_MatteColor = pSource->GetMatteColor();
+ return FALSE;
+}
diff --git a/core/fpdfapi/fpdf_page/cpdf_imageobject.cpp b/core/fpdfapi/fpdf_page/cpdf_imageobject.cpp
index f339935ecb..6203d56273 100644
--- a/core/fpdfapi/fpdf_page/cpdf_imageobject.cpp
+++ b/core/fpdfapi/fpdf_page/cpdf_imageobject.cpp
@@ -6,6 +6,7 @@
#include "core/fpdfapi/fpdf_page/include/cpdf_imageobject.h"
+#include "core/fpdfapi/fpdf_page/include/cpdf_image.h"
#include "core/fpdfapi/fpdf_page/pageint.h"
#include "core/fpdfapi/fpdf_parser/include/cpdf_document.h"
diff --git a/core/fpdfapi/fpdf_page/cpdf_meshstream.cpp b/core/fpdfapi/fpdf_page/cpdf_meshstream.cpp
new file mode 100644
index 0000000000..1d983d2b25
--- /dev/null
+++ b/core/fpdfapi/fpdf_page/cpdf_meshstream.cpp
@@ -0,0 +1,119 @@
+// Copyright 2016 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/fpdfapi/fpdf_page/cpdf_meshstream.h"
+
+#include "core/fpdfapi/fpdf_page/include/cpdf_colorspace.h"
+#include "core/fpdfapi/fpdf_page/pageint.h"
+#include "core/fpdfapi/fpdf_parser/include/cpdf_array.h"
+
+FX_BOOL CPDF_MeshStream::Load(CPDF_Stream* pShadingStream,
+ CPDF_Function** pFuncs,
+ int nFuncs,
+ CPDF_ColorSpace* pCS) {
+ m_Stream.LoadAllData(pShadingStream);
+ m_BitStream.Init(m_Stream.GetData(), m_Stream.GetSize());
+ m_pFuncs = pFuncs;
+ m_nFuncs = nFuncs;
+ m_pCS = pCS;
+ CPDF_Dictionary* pDict = pShadingStream->GetDict();
+ m_nCoordBits = pDict->GetIntegerBy("BitsPerCoordinate");
+ m_nCompBits = pDict->GetIntegerBy("BitsPerComponent");
+ m_nFlagBits = pDict->GetIntegerBy("BitsPerFlag");
+ if (!m_nCoordBits || !m_nCompBits)
+ return FALSE;
+
+ FX_DWORD nComps = pCS->CountComponents();
+ if (nComps > 8)
+ return FALSE;
+
+ m_nComps = nFuncs ? 1 : nComps;
+ if (((int)m_nComps < 0) || m_nComps > 8)
+ return FALSE;
+
+ m_CoordMax = m_nCoordBits == 32 ? -1 : (1 << m_nCoordBits) - 1;
+ m_CompMax = (1 << m_nCompBits) - 1;
+ CPDF_Array* pDecode = pDict->GetArrayBy("Decode");
+ if (!pDecode || pDecode->GetCount() != 4 + m_nComps * 2)
+ return FALSE;
+
+ m_xmin = pDecode->GetNumberAt(0);
+ m_xmax = pDecode->GetNumberAt(1);
+ m_ymin = pDecode->GetNumberAt(2);
+ m_ymax = pDecode->GetNumberAt(3);
+ for (FX_DWORD i = 0; i < m_nComps; i++) {
+ m_ColorMin[i] = pDecode->GetNumberAt(i * 2 + 4);
+ m_ColorMax[i] = pDecode->GetNumberAt(i * 2 + 5);
+ }
+ return TRUE;
+}
+
+FX_DWORD CPDF_MeshStream::GetFlag() {
+ return m_BitStream.GetBits(m_nFlagBits) & 0x03;
+}
+
+void CPDF_MeshStream::GetCoords(FX_FLOAT& x, FX_FLOAT& y) {
+ if (m_nCoordBits == 32) {
+ x = m_xmin + (FX_FLOAT)(m_BitStream.GetBits(m_nCoordBits) *
+ (m_xmax - m_xmin) / (double)m_CoordMax);
+ y = m_ymin + (FX_FLOAT)(m_BitStream.GetBits(m_nCoordBits) *
+ (m_ymax - m_ymin) / (double)m_CoordMax);
+ } else {
+ x = m_xmin +
+ m_BitStream.GetBits(m_nCoordBits) * (m_xmax - m_xmin) / m_CoordMax;
+ y = m_ymin +
+ m_BitStream.GetBits(m_nCoordBits) * (m_ymax - m_ymin) / m_CoordMax;
+ }
+}
+
+void CPDF_MeshStream::GetColor(FX_FLOAT& r, FX_FLOAT& g, FX_FLOAT& b) {
+ FX_DWORD i;
+ FX_FLOAT color_value[8];
+ for (i = 0; i < m_nComps; i++) {
+ color_value[i] = m_ColorMin[i] +
+ m_BitStream.GetBits(m_nCompBits) *
+ (m_ColorMax[i] - m_ColorMin[i]) / m_CompMax;
+ }
+ if (m_nFuncs) {
+ static const int kMaxResults = 8;
+ FX_FLOAT result[kMaxResults];
+ int nResults;
+ FXSYS_memset(result, 0, sizeof(result));
+ for (FX_DWORD i = 0; i < m_nFuncs; i++) {
+ if (m_pFuncs[i] && m_pFuncs[i]->CountOutputs() <= kMaxResults) {
+ m_pFuncs[i]->Call(color_value, 1, result, nResults);
+ }
+ }
+ m_pCS->GetRGB(result, r, g, b);
+ } else {
+ m_pCS->GetRGB(color_value, r, g, b);
+ }
+}
+
+FX_DWORD CPDF_MeshStream::GetVertex(CPDF_MeshVertex& vertex,
+ CFX_Matrix* pObject2Bitmap) {
+ FX_DWORD flag = GetFlag();
+ GetCoords(vertex.x, vertex.y);
+ pObject2Bitmap->Transform(vertex.x, vertex.y);
+ GetColor(vertex.r, vertex.g, vertex.b);
+ m_BitStream.ByteAlign();
+ return flag;
+}
+
+FX_BOOL CPDF_MeshStream::GetVertexRow(CPDF_MeshVertex* vertex,
+ int count,
+ CFX_Matrix* pObject2Bitmap) {
+ for (int i = 0; i < count; i++) {
+ if (m_BitStream.IsEOF())
+ return FALSE;
+
+ GetCoords(vertex[i].x, vertex[i].y);
+ pObject2Bitmap->Transform(vertex[i].x, vertex[i].y);
+ GetColor(vertex[i].r, vertex[i].g, vertex[i].b);
+ m_BitStream.ByteAlign();
+ }
+ return TRUE;
+}
diff --git a/core/fpdfapi/fpdf_page/cpdf_meshstream.h b/core/fpdfapi/fpdf_page/cpdf_meshstream.h
new file mode 100644
index 0000000000..4934c0b133
--- /dev/null
+++ b/core/fpdfapi/fpdf_page/cpdf_meshstream.h
@@ -0,0 +1,63 @@
+// Copyright 2016 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
+
+#ifndef CORE_FPDFAPI_FPDF_PAGE_CPDF_MESHSTREAM_H_
+#define CORE_FPDFAPI_FPDF_PAGE_CPDF_MESHSTREAM_H_
+
+#include "core/fpdfapi/fpdf_parser/include/cpdf_stream_acc.h"
+#include "core/fxcrt/include/fx_basic.h"
+#include "core/fxcrt/include/fx_system.h"
+
+struct CPDF_MeshVertex {
+ FX_FLOAT x;
+ FX_FLOAT y;
+ FX_FLOAT r;
+ FX_FLOAT g;
+ FX_FLOAT b;
+};
+
+class CFX_Matrix;
+class CPDF_ColorSpace;
+class CPDF_Function;
+class CPDF_Stream;
+
+class CPDF_MeshStream {
+ public:
+ FX_BOOL Load(CPDF_Stream* pShadingStream,
+ CPDF_Function** pFuncs,
+ int nFuncs,
+ CPDF_ColorSpace* pCS);
+
+ FX_DWORD GetFlag();
+
+ void GetCoords(FX_FLOAT& x, FX_FLOAT& y);
+ void GetColor(FX_FLOAT& r, FX_FLOAT& g, FX_FLOAT& b);
+
+ FX_DWORD GetVertex(CPDF_MeshVertex& vertex, CFX_Matrix* pObject2Bitmap);
+ FX_BOOL GetVertexRow(CPDF_MeshVertex* vertex,
+ int count,
+ CFX_Matrix* pObject2Bitmap);
+
+ CPDF_Function** m_pFuncs;
+ CPDF_ColorSpace* m_pCS;
+ FX_DWORD m_nFuncs;
+ FX_DWORD m_nCoordBits;
+ FX_DWORD m_nCompBits;
+ FX_DWORD m_nFlagBits;
+ FX_DWORD m_nComps;
+ FX_DWORD m_CoordMax;
+ FX_DWORD m_CompMax;
+ FX_FLOAT m_xmin;
+ FX_FLOAT m_xmax;
+ FX_FLOAT m_ymin;
+ FX_FLOAT m_ymax;
+ FX_FLOAT m_ColorMin[8];
+ FX_FLOAT m_ColorMax[8];
+ CPDF_StreamAcc m_Stream;
+ CFX_BitStream m_BitStream;
+};
+
+#endif // CORE_FPDFAPI_FPDF_PAGE_CPDF_MESHSTREAM_H_
diff --git a/core/fpdfapi/fpdf_page/cpdf_page.cpp b/core/fpdfapi/fpdf_page/cpdf_page.cpp
index 2c01cd5573..6fd9b0a9b3 100644
--- a/core/fpdfapi/fpdf_page/cpdf_page.cpp
+++ b/core/fpdfapi/fpdf_page/cpdf_page.cpp
@@ -9,6 +9,7 @@
#include "core/fpdfapi/fpdf_page/include/cpdf_pageobject.h"
#include "core/fpdfapi/fpdf_page/pageint.h"
#include "core/fpdfapi/fpdf_parser/include/cpdf_array.h"
+#include "core/fpdfapi/fpdf_parser/include/cpdf_dictionary.h"
#include "core/fpdfapi/fpdf_parser/include/cpdf_object.h"
#include "core/fpdfapi/include/cpdf_modulemgr.h"
#include "core/fpdfapi/ipdf_rendermodule.h"
diff --git a/core/fpdfapi/fpdf_page/cpdf_pageobjectholder.cpp b/core/fpdfapi/fpdf_page/cpdf_pageobjectholder.cpp
index fa6347e5bc..cd6eca5adc 100644
--- a/core/fpdfapi/fpdf_page/cpdf_pageobjectholder.cpp
+++ b/core/fpdfapi/fpdf_page/cpdf_pageobjectholder.cpp
@@ -8,6 +8,7 @@
#include "core/fpdfapi/fpdf_page/include/cpdf_pageobject.h"
#include "core/fpdfapi/fpdf_page/pageint.h"
+#include "core/fpdfapi/fpdf_parser/include/cpdf_dictionary.h"
CPDF_PageObjectHolder::CPDF_PageObjectHolder()
: m_pFormDict(nullptr),
diff --git a/core/fpdfapi/fpdf_page/cpdf_pattern.cpp b/core/fpdfapi/fpdf_page/cpdf_pattern.cpp
new file mode 100644
index 0000000000..fc9d10e7ab
--- /dev/null
+++ b/core/fpdfapi/fpdf_page/cpdf_pattern.cpp
@@ -0,0 +1,21 @@
+// Copyright 2016 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/fpdfapi/fpdf_page/cpdf_pattern.h"
+
+CPDF_Pattern::CPDF_Pattern(PatternType type,
+ CPDF_Document* pDoc,
+ CPDF_Object* pObj,
+ const CFX_Matrix* pParentMatrix)
+ : m_PatternType(type),
+ m_pDocument(pDoc),
+ m_pPatternObj(pObj),
+ m_bForceClear(FALSE) {
+ if (pParentMatrix)
+ m_ParentMatrix = *pParentMatrix;
+}
+
+CPDF_Pattern::~CPDF_Pattern() {}
diff --git a/core/fpdfapi/fpdf_page/cpdf_pattern.h b/core/fpdfapi/fpdf_page/cpdf_pattern.h
new file mode 100644
index 0000000000..7f9a33bac9
--- /dev/null
+++ b/core/fpdfapi/fpdf_page/cpdf_pattern.h
@@ -0,0 +1,39 @@
+// Copyright 2016 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
+
+#ifndef CORE_FPDFAPI_FPDF_PAGE_CPDF_PATTERN_H_
+#define CORE_FPDFAPI_FPDF_PAGE_CPDF_PATTERN_H_
+
+#include "core/fxcrt/include/fx_coordinates.h"
+#include "core/fxcrt/include/fx_system.h"
+
+class CPDF_Document;
+class CPDF_Object;
+
+class CPDF_Pattern {
+ public:
+ enum PatternType { TILING = 1, SHADING };
+
+ virtual ~CPDF_Pattern();
+
+ void SetForceClear(FX_BOOL bForceClear) { m_bForceClear = bForceClear; }
+
+ const PatternType m_PatternType;
+ CPDF_Document* const m_pDocument;
+ CPDF_Object* const m_pPatternObj;
+ CFX_Matrix m_Pattern2Form;
+ CFX_Matrix m_ParentMatrix;
+
+ protected:
+ CPDF_Pattern(PatternType type,
+ CPDF_Document* pDoc,
+ CPDF_Object* pObj,
+ const CFX_Matrix* pParentMatrix);
+
+ FX_BOOL m_bForceClear;
+};
+
+#endif // CORE_FPDFAPI_FPDF_PAGE_CPDF_PATTERN_H_
diff --git a/core/fpdfapi/fpdf_page/cpdf_shadingobject.cpp b/core/fpdfapi/fpdf_page/cpdf_shadingobject.cpp
index 16287fe692..56dd6d4af4 100644
--- a/core/fpdfapi/fpdf_page/cpdf_shadingobject.cpp
+++ b/core/fpdfapi/fpdf_page/cpdf_shadingobject.cpp
@@ -6,6 +6,7 @@
#include "core/fpdfapi/fpdf_page/include/cpdf_shadingobject.h"
+#include "core/fpdfapi/fpdf_page/cpdf_shadingpattern.h"
#include "core/fpdfapi/fpdf_page/pageint.h"
#include "core/fpdfapi/fpdf_parser/include/cpdf_document.h"
diff --git a/core/fpdfapi/fpdf_page/cpdf_shadingpattern.cpp b/core/fpdfapi/fpdf_page/cpdf_shadingpattern.cpp
new file mode 100644
index 0000000000..6ccf1403f9
--- /dev/null
+++ b/core/fpdfapi/fpdf_page/cpdf_shadingpattern.cpp
@@ -0,0 +1,101 @@
+// Copyright 2016 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/fpdfapi/fpdf_page/cpdf_shadingpattern.h"
+
+#include "core/fpdfapi/fpdf_parser/include/cpdf_array.h"
+#include "core/fpdfapi/fpdf_parser/include/cpdf_dictionary.h"
+#include "core/fpdfapi/fpdf_parser/include/cpdf_document.h"
+#include "core/fpdfapi/fpdf_parser/include/cpdf_object.h"
+
+namespace {
+
+ShadingType ToShadingType(int type) {
+ return (type > static_cast<int>(kInvalidShading) &&
+ type < static_cast<int>(kMaxShading))
+ ? static_cast<ShadingType>(type)
+ : kInvalidShading;
+}
+
+} // namespace
+
+CPDF_ShadingPattern::CPDF_ShadingPattern(CPDF_Document* pDoc,
+ CPDF_Object* pPatternObj,
+ FX_BOOL bShading,
+ const CFX_Matrix* parentMatrix)
+ : CPDF_Pattern(SHADING,
+ pDoc,
+ bShading ? nullptr : pPatternObj,
+ parentMatrix),
+ m_ShadingType(kInvalidShading),
+ m_bShadingObj(bShading),
+ m_pShadingObj(pPatternObj),
+ m_pCS(nullptr),
+ m_pCountedCS(nullptr),
+ m_nFuncs(0) {
+ if (!bShading) {
+ CPDF_Dictionary* pDict = m_pPatternObj->GetDict();
+ m_Pattern2Form = pDict->GetMatrixBy("Matrix");
+ m_pShadingObj = pDict->GetElementValue("Shading");
+ if (parentMatrix)
+ m_Pattern2Form.Concat(*parentMatrix);
+ }
+ for (int i = 0; i < FX_ArraySize(m_pFunctions); ++i)
+ m_pFunctions[i] = nullptr;
+}
+
+CPDF_ShadingPattern::~CPDF_ShadingPattern() {
+ for (int i = 0; i < m_nFuncs; ++i)
+ delete m_pFunctions[i];
+
+ CPDF_ColorSpace* pCS = m_pCountedCS ? m_pCountedCS->get() : nullptr;
+ if (pCS && m_pDocument)
+ m_pDocument->GetPageData()->ReleaseColorSpace(pCS->GetArray());
+}
+
+FX_BOOL CPDF_ShadingPattern::Load() {
+ if (m_ShadingType != kInvalidShading)
+ return TRUE;
+
+ CPDF_Dictionary* pShadingDict =
+ m_pShadingObj ? m_pShadingObj->GetDict() : nullptr;
+ if (!pShadingDict)
+ return FALSE;
+
+ if (m_nFuncs) {
+ for (int i = 0; i < m_nFuncs; i++)
+ delete m_pFunctions[i];
+ m_nFuncs = 0;
+ }
+ CPDF_Object* pFunc = pShadingDict->GetElementValue("Function");
+ if (pFunc) {
+ if (CPDF_Array* pArray = pFunc->AsArray()) {
+ m_nFuncs = std::min<int>(pArray->GetCount(), 4);
+
+ for (int i = 0; i < m_nFuncs; i++)
+ m_pFunctions[i] = CPDF_Function::Load(pArray->GetElementValue(i));
+ } else {
+ m_pFunctions[0] = CPDF_Function::Load(pFunc);
+ m_nFuncs = 1;
+ }
+ }
+ CPDF_Object* pCSObj = pShadingDict->GetElementValue("ColorSpace");
+ if (!pCSObj)
+ return FALSE;
+
+ CPDF_DocPageData* pDocPageData = m_pDocument->GetPageData();
+ m_pCS = pDocPageData->GetColorSpace(pCSObj, nullptr);
+ if (m_pCS)
+ m_pCountedCS = pDocPageData->FindColorSpacePtr(m_pCS->GetArray());
+
+ m_ShadingType = ToShadingType(pShadingDict->GetIntegerBy("ShadingType"));
+
+ // We expect to have a stream if our shading type is a mesh.
+ if (IsMeshShading() && !ToStream(m_pShadingObj))
+ return FALSE;
+
+ return TRUE;
+}
diff --git a/core/fpdfapi/fpdf_page/cpdf_shadingpattern.h b/core/fpdfapi/fpdf_page/cpdf_shadingpattern.h
new file mode 100644
index 0000000000..55a249a1bc
--- /dev/null
+++ b/core/fpdfapi/fpdf_page/cpdf_shadingpattern.h
@@ -0,0 +1,62 @@
+// Copyright 2016 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
+
+#ifndef CORE_FPDFAPI_FPDF_PAGE_CPDF_SHADINGPATTERN_H_
+#define CORE_FPDFAPI_FPDF_PAGE_CPDF_SHADINGPATTERN_H_
+
+#include "core/fpdfapi/fpdf_page/cpdf_countedobject.h"
+#include "core/fpdfapi/fpdf_page/cpdf_pattern.h"
+#include "core/fpdfapi/fpdf_page/pageint.h"
+#include "core/fxcrt/include/fx_system.h"
+
+typedef enum {
+ kInvalidShading = 0,
+ kFunctionBasedShading = 1,
+ kAxialShading = 2,
+ kRadialShading = 3,
+ kFreeFormGouraudTriangleMeshShading = 4,
+ kLatticeFormGouraudTriangleMeshShading = 5,
+ kCoonsPatchMeshShading = 6,
+ kTensorProductPatchMeshShading = 7,
+ kMaxShading = 8
+} ShadingType;
+
+class CFX_Matrix;
+class CPDF_ColorSpace;
+class CPDF_Document;
+class CPDF_Object;
+
+class CPDF_ShadingPattern : public CPDF_Pattern {
+ public:
+ CPDF_ShadingPattern(CPDF_Document* pDoc,
+ CPDF_Object* pPatternObj,
+ FX_BOOL bShading,
+ const CFX_Matrix* parentMatrix);
+
+ ~CPDF_ShadingPattern() override;
+
+ bool IsMeshShading() const {
+ return m_ShadingType == kFreeFormGouraudTriangleMeshShading ||
+ m_ShadingType == kLatticeFormGouraudTriangleMeshShading ||
+ m_ShadingType == kCoonsPatchMeshShading ||
+ m_ShadingType == kTensorProductPatchMeshShading;
+ }
+ FX_BOOL Load();
+
+ ShadingType m_ShadingType;
+ FX_BOOL m_bShadingObj;
+ CPDF_Object* m_pShadingObj;
+
+ // Still keep |m_pCS| as some CPDF_ColorSpace (name object) are not managed
+ // as counted objects. Refer to CPDF_DocPageData::GetColorSpace.
+ CPDF_ColorSpace* m_pCS;
+
+ CPDF_CountedColorSpace* m_pCountedCS;
+ CPDF_Function* m_pFunctions[4];
+ int m_nFuncs;
+};
+
+#endif // CORE_FPDFAPI_FPDF_PAGE_CPDF_SHADINGPATTERN_H_
diff --git a/core/fpdfapi/fpdf_page/cpdf_textobject.cpp b/core/fpdfapi/fpdf_page/cpdf_textobject.cpp
index ef37b30631..cf588dcf3d 100644
--- a/core/fpdfapi/fpdf_page/cpdf_textobject.cpp
+++ b/core/fpdfapi/fpdf_page/cpdf_textobject.cpp
@@ -6,6 +6,9 @@
#include "core/fpdfapi/fpdf_page/include/cpdf_textobject.h"
+#include "core/fpdfapi/fpdf_font/cpdf_cidfont.h"
+#include "core/fpdfapi/fpdf_font/include/cpdf_font.h"
+
CPDF_TextObject::CPDF_TextObject()
: m_PosX(0),
m_PosY(0),
diff --git a/core/fpdfapi/fpdf_page/cpdf_textstate.cpp b/core/fpdfapi/fpdf_page/cpdf_textstate.cpp
index f56d58ed0a..5269cae44b 100644
--- a/core/fpdfapi/fpdf_page/cpdf_textstate.cpp
+++ b/core/fpdfapi/fpdf_page/cpdf_textstate.cpp
@@ -4,6 +4,7 @@
// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+#include "core/fpdfapi/fpdf_font/include/cpdf_font.h"
#include "core/fpdfapi/fpdf_page/cpdf_textstate.h"
#include "core/fpdfapi/fpdf_page/pageint.h"
#include "core/fpdfapi/fpdf_parser/include/cpdf_document.h"
diff --git a/core/fpdfapi/fpdf_page/cpdf_textstatedata.cpp b/core/fpdfapi/fpdf_page/cpdf_textstatedata.cpp
index af65fb530a..5cd6061542 100644
--- a/core/fpdfapi/fpdf_page/cpdf_textstatedata.cpp
+++ b/core/fpdfapi/fpdf_page/cpdf_textstatedata.cpp
@@ -6,9 +6,9 @@
#include "core/fpdfapi/fpdf_page/include/cpdf_textstatedata.h"
+#include "core/fpdfapi/fpdf_font/include/cpdf_font.h"
#include "core/fpdfapi/fpdf_page/pageint.h"
#include "core/fpdfapi/fpdf_parser/include/cpdf_document.h"
-#include "core/include/fpdfapi/fpdf_resource.h"
CPDF_TextStateData::CPDF_TextStateData()
: m_pFont(nullptr),
diff --git a/core/fpdfapi/fpdf_page/cpdf_tilingpattern.cpp b/core/fpdfapi/fpdf_page/cpdf_tilingpattern.cpp
new file mode 100644
index 0000000000..f49ad2b8fb
--- /dev/null
+++ b/core/fpdfapi/fpdf_page/cpdf_tilingpattern.cpp
@@ -0,0 +1,51 @@
+// Copyright 2016 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/fpdfapi/fpdf_page/cpdf_tilingpattern.h"
+
+#include "core/fpdfapi/fpdf_page/include/cpdf_form.h"
+#include "core/fpdfapi/fpdf_parser/include/cpdf_dictionary.h"
+#include "core/fpdfapi/fpdf_parser/include/cpdf_object.h"
+#include "core/fpdfapi/fpdf_parser/include/cpdf_stream.h"
+
+CPDF_TilingPattern::CPDF_TilingPattern(CPDF_Document* pDoc,
+ CPDF_Object* pPatternObj,
+ const CFX_Matrix* parentMatrix)
+ : CPDF_Pattern(TILING, pDoc, pPatternObj, parentMatrix) {
+ CPDF_Dictionary* pDict = m_pPatternObj->GetDict();
+ m_Pattern2Form = pDict->GetMatrixBy("Matrix");
+ m_bColored = pDict->GetIntegerBy("PaintType") == 1;
+ if (parentMatrix)
+ m_Pattern2Form.Concat(*parentMatrix);
+
+ m_pForm = nullptr;
+}
+
+CPDF_TilingPattern::~CPDF_TilingPattern() {
+ delete m_pForm;
+}
+
+FX_BOOL CPDF_TilingPattern::Load() {
+ if (m_pForm)
+ return TRUE;
+
+ CPDF_Dictionary* pDict = m_pPatternObj->GetDict();
+ if (!pDict)
+ return FALSE;
+
+ m_bColored = pDict->GetIntegerBy("PaintType") == 1;
+ m_XStep = (FX_FLOAT)FXSYS_fabs(pDict->GetNumberBy("XStep"));
+ m_YStep = (FX_FLOAT)FXSYS_fabs(pDict->GetNumberBy("YStep"));
+
+ CPDF_Stream* pStream = m_pPatternObj->AsStream();
+ if (!pStream)
+ return FALSE;
+
+ m_pForm = new CPDF_Form(m_pDocument, NULL, pStream);
+ m_pForm->ParseContent(NULL, &m_ParentMatrix, NULL, NULL);
+ m_BBox = pDict->GetRectBy("BBox");
+ return TRUE;
+}
diff --git a/core/fpdfapi/fpdf_page/cpdf_tilingpattern.h b/core/fpdfapi/fpdf_page/cpdf_tilingpattern.h
new file mode 100644
index 0000000000..44446eac91
--- /dev/null
+++ b/core/fpdfapi/fpdf_page/cpdf_tilingpattern.h
@@ -0,0 +1,34 @@
+// Copyright 2016 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
+
+#ifndef CORE_FPDFAPI_FPDF_PAGE_CPDF_TILINGPATTERN_H_
+#define CORE_FPDFAPI_FPDF_PAGE_CPDF_TILINGPATTERN_H_
+
+#include "core/fpdfapi/fpdf_page/cpdf_pattern.h"
+#include "core/fxcrt/include/fx_coordinates.h"
+#include "core/fxcrt/include/fx_system.h"
+
+class CPDF_Document;
+class CPDF_Form;
+class CPDF_Object;
+
+class CPDF_TilingPattern : public CPDF_Pattern {
+ public:
+ CPDF_TilingPattern(CPDF_Document* pDoc,
+ CPDF_Object* pPatternObj,
+ const CFX_Matrix* parentMatrix);
+ ~CPDF_TilingPattern() override;
+
+ FX_BOOL Load();
+
+ FX_BOOL m_bColored;
+ CFX_FloatRect m_BBox;
+ FX_FLOAT m_XStep;
+ FX_FLOAT m_YStep;
+ CPDF_Form* m_pForm;
+};
+
+#endif // CORE_FPDFAPI_FPDF_PAGE_CPDF_TILINGPATTERN_H_
diff --git a/core/fpdfapi/fpdf_page/fpdf_page_colors.cpp b/core/fpdfapi/fpdf_page/fpdf_page_colors.cpp
index d4b69f2d3f..cc40976f29 100644
--- a/core/fpdfapi/fpdf_page/fpdf_page_colors.cpp
+++ b/core/fpdfapi/fpdf_page/fpdf_page_colors.cpp
@@ -13,12 +13,24 @@
#include "core/fpdfapi/fpdf_parser/include/cpdf_array.h"
#include "core/fpdfapi/fpdf_parser/include/cpdf_dictionary.h"
#include "core/fpdfapi/fpdf_parser/include/cpdf_document.h"
+#include "core/fpdfapi/fpdf_parser/include/cpdf_stream.h"
+#include "core/fpdfapi/fpdf_parser/include/cpdf_stream_acc.h"
#include "core/fpdfapi/fpdf_parser/include/cpdf_string.h"
#include "core/fpdfapi/include/cpdf_modulemgr.h"
#include "core/include/fxcodec/fx_codec.h"
namespace {
+FX_DWORD ComponentsForFamily(int family) {
+ if (family == PDFCS_DEVICERGB)
+ return 3;
+ if (family == PDFCS_DEVICEGRAY)
+ return 1;
+ return 4;
+}
+
+} // namespace
+
void sRGB_to_AdobeCMYK(FX_FLOAT R,
FX_FLOAT G,
FX_FLOAT B,
@@ -38,14 +50,6 @@ void sRGB_to_AdobeCMYK(FX_FLOAT R,
}
}
-FX_DWORD ComponentsForFamily(int family) {
- if (family == PDFCS_DEVICERGB)
- return 3;
- if (family == PDFCS_DEVICEGRAY)
- return 1;
- return 4;
-}
-
void ReverseRGB(uint8_t* pDestBuf, const uint8_t* pSrcBuf, int pixels) {
if (pDestBuf == pSrcBuf) {
for (int i = 0; i < pixels; i++) {
@@ -64,8 +68,6 @@ void ReverseRGB(uint8_t* pDestBuf, const uint8_t* pSrcBuf, int pixels) {
}
}
-} // namespace
-
CPDF_DeviceCS::CPDF_DeviceCS(CPDF_Document* pDoc, int family)
: CPDF_ColorSpace(pDoc, family, ComponentsForFamily(family)) {}
@@ -213,420 +215,7 @@ void CPDF_DeviceCS::TranslateImageLine(uint8_t* pDestBuf,
}
}
}
-const uint8_t g_sRGBSamples1[] = {
- 0, 3, 6, 10, 13, 15, 18, 20, 22, 23, 25, 27, 28, 30, 31,
- 32, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47,
- 48, 49, 49, 50, 51, 52, 53, 53, 54, 55, 56, 56, 57, 58, 58,
- 59, 60, 61, 61, 62, 62, 63, 64, 64, 65, 66, 66, 67, 67, 68,
- 68, 69, 70, 70, 71, 71, 72, 72, 73, 73, 74, 74, 75, 76, 76,
- 77, 77, 78, 78, 79, 79, 79, 80, 80, 81, 81, 82, 82, 83, 83,
- 84, 84, 85, 85, 85, 86, 86, 87, 87, 88, 88, 88, 89, 89, 90,
- 90, 91, 91, 91, 92, 92, 93, 93, 93, 94, 94, 95, 95, 95, 96,
- 96, 97, 97, 97, 98, 98, 98, 99, 99, 99, 100, 100, 101, 101, 101,
- 102, 102, 102, 103, 103, 103, 104, 104, 104, 105, 105, 106, 106, 106, 107,
- 107, 107, 108, 108, 108, 109, 109, 109, 110, 110, 110, 110, 111, 111, 111,
- 112, 112, 112, 113, 113, 113, 114, 114, 114, 115, 115, 115, 115, 116, 116,
- 116, 117, 117, 117, 118, 118, 118, 118, 119, 119, 119, 120,
-};
-const uint8_t g_sRGBSamples2[] = {
- 120, 121, 122, 124, 125, 126, 127, 128, 129, 130, 131, 132, 133, 134, 135,
- 136, 137, 138, 139, 140, 141, 142, 143, 144, 145, 146, 147, 148, 148, 149,
- 150, 151, 152, 153, 154, 155, 155, 156, 157, 158, 159, 159, 160, 161, 162,
- 163, 163, 164, 165, 166, 167, 167, 168, 169, 170, 170, 171, 172, 173, 173,
- 174, 175, 175, 176, 177, 178, 178, 179, 180, 180, 181, 182, 182, 183, 184,
- 185, 185, 186, 187, 187, 188, 189, 189, 190, 190, 191, 192, 192, 193, 194,
- 194, 195, 196, 196, 197, 197, 198, 199, 199, 200, 200, 201, 202, 202, 203,
- 203, 204, 205, 205, 206, 206, 207, 208, 208, 209, 209, 210, 210, 211, 212,
- 212, 213, 213, 214, 214, 215, 215, 216, 216, 217, 218, 218, 219, 219, 220,
- 220, 221, 221, 222, 222, 223, 223, 224, 224, 225, 226, 226, 227, 227, 228,
- 228, 229, 229, 230, 230, 231, 231, 232, 232, 233, 233, 234, 234, 235, 235,
- 236, 236, 237, 237, 238, 238, 238, 239, 239, 240, 240, 241, 241, 242, 242,
- 243, 243, 244, 244, 245, 245, 246, 246, 246, 247, 247, 248, 248, 249, 249,
- 250, 250, 251, 251, 251, 252, 252, 253, 253, 254, 254, 255, 255,
-};
-
-static FX_FLOAT RGB_Conversion(FX_FLOAT colorComponent) {
- if (colorComponent > 1) {
- colorComponent = 1;
- }
- if (colorComponent < 0) {
- colorComponent = 0;
- }
- int scale = (int)(colorComponent * 1023);
- if (scale < 0) {
- scale = 0;
- }
- if (scale < 192) {
- colorComponent = (g_sRGBSamples1[scale] / 255.0f);
- } else {
- colorComponent = (g_sRGBSamples2[scale / 4 - 48] / 255.0f);
- }
- return colorComponent;
-}
-
-static void XYZ_to_sRGB(FX_FLOAT X,
- FX_FLOAT Y,
- FX_FLOAT Z,
- FX_FLOAT& R,
- FX_FLOAT& G,
- FX_FLOAT& B) {
- FX_FLOAT R1 = 3.2410f * X - 1.5374f * Y - 0.4986f * Z;
- FX_FLOAT G1 = -0.9692f * X + 1.8760f * Y + 0.0416f * Z;
- FX_FLOAT B1 = 0.0556f * X - 0.2040f * Y + 1.0570f * Z;
-
- R = RGB_Conversion(R1);
- G = RGB_Conversion(G1);
- B = RGB_Conversion(B1);
-}
-
-static void XYZ_to_sRGB_WhitePoint(FX_FLOAT X,
- FX_FLOAT Y,
- FX_FLOAT Z,
- FX_FLOAT& R,
- FX_FLOAT& G,
- FX_FLOAT& B,
- FX_FLOAT Xw,
- FX_FLOAT Yw,
- FX_FLOAT Zw) {
- // The following RGB_xyz is based on
- // sRGB value {Rx,Ry}={0.64, 0.33}, {Gx,Gy}={0.30, 0.60}, {Bx,By}={0.15, 0.06}
-
- FX_FLOAT Rx = 0.64f, Ry = 0.33f;
- FX_FLOAT Gx = 0.30f, Gy = 0.60f;
- FX_FLOAT Bx = 0.15f, By = 0.06f;
- CFX_Matrix_3by3 RGB_xyz(Rx, Gx, Bx, Ry, Gy, By, 1 - Rx - Ry, 1 - Gx - Gy,
- 1 - Bx - By);
- CFX_Vector_3by1 whitePoint(Xw, Yw, Zw);
- CFX_Vector_3by1 XYZ(X, Y, Z);
-
- CFX_Vector_3by1 RGB_Sum_XYZ = RGB_xyz.Inverse().TransformVector(whitePoint);
- CFX_Matrix_3by3 RGB_SUM_XYZ_DIAG(RGB_Sum_XYZ.a, 0, 0, 0, RGB_Sum_XYZ.b, 0, 0,
- 0, RGB_Sum_XYZ.c);
- CFX_Matrix_3by3 M = RGB_xyz.Multiply(RGB_SUM_XYZ_DIAG);
- CFX_Vector_3by1 RGB = M.Inverse().TransformVector(XYZ);
-
- R = RGB_Conversion(RGB.a);
- G = RGB_Conversion(RGB.b);
- B = RGB_Conversion(RGB.c);
-}
-class CPDF_CalGray : public CPDF_ColorSpace {
- public:
- explicit CPDF_CalGray(CPDF_Document* pDoc)
- : CPDF_ColorSpace(pDoc, PDFCS_CALGRAY, 1) {}
- FX_BOOL v_Load(CPDF_Document* pDoc, CPDF_Array* pArray) override;
- FX_BOOL GetRGB(FX_FLOAT* pBuf,
- FX_FLOAT& R,
- FX_FLOAT& G,
- FX_FLOAT& B) const override;
- FX_BOOL SetRGB(FX_FLOAT* pBuf,
- FX_FLOAT R,
- FX_FLOAT G,
- FX_FLOAT B) const override;
- void TranslateImageLine(uint8_t* pDestBuf,
- const uint8_t* pSrcBuf,
- int pixels,
- int image_width,
- int image_height,
- FX_BOOL bTransMask = FALSE) const override;
- private:
- FX_FLOAT m_WhitePoint[3];
- FX_FLOAT m_BlackPoint[3];
- FX_FLOAT m_Gamma;
-};
-
-FX_BOOL CPDF_CalGray::v_Load(CPDF_Document* pDoc, CPDF_Array* pArray) {
- CPDF_Dictionary* pDict = pArray->GetDictAt(1);
- if (!pDict)
- return FALSE;
-
- CPDF_Array* pParam = pDict->GetArrayBy("WhitePoint");
- int i;
- for (i = 0; i < 3; i++) {
- m_WhitePoint[i] = pParam ? pParam->GetNumberAt(i) : 0;
- }
- pParam = pDict->GetArrayBy("BlackPoint");
- for (i = 0; i < 3; i++) {
- m_BlackPoint[i] = pParam ? pParam->GetNumberAt(i) : 0;
- }
- m_Gamma = pDict->GetNumberBy("Gamma");
- if (m_Gamma == 0) {
- m_Gamma = 1.0f;
- }
- return TRUE;
-}
-FX_BOOL CPDF_CalGray::GetRGB(FX_FLOAT* pBuf,
- FX_FLOAT& R,
- FX_FLOAT& G,
- FX_FLOAT& B) const {
- R = G = B = *pBuf;
- return TRUE;
-}
-FX_BOOL CPDF_CalGray::SetRGB(FX_FLOAT* pBuf,
- FX_FLOAT R,
- FX_FLOAT G,
- FX_FLOAT B) const {
- if (R == G && R == B) {
- *pBuf = R;
- return TRUE;
- }
- return FALSE;
-}
-void CPDF_CalGray::TranslateImageLine(uint8_t* pDestBuf,
- const uint8_t* pSrcBuf,
- int pixels,
- int image_width,
- int image_height,
- FX_BOOL bTransMask) const {
- for (int i = 0; i < pixels; i++) {
- *pDestBuf++ = pSrcBuf[i];
- *pDestBuf++ = pSrcBuf[i];
- *pDestBuf++ = pSrcBuf[i];
- }
-}
-class CPDF_CalRGB : public CPDF_ColorSpace {
- public:
- explicit CPDF_CalRGB(CPDF_Document* pDoc)
- : CPDF_ColorSpace(pDoc, PDFCS_CALRGB, 3) {}
- FX_BOOL v_Load(CPDF_Document* pDoc, CPDF_Array* pArray) override;
- FX_BOOL GetRGB(FX_FLOAT* pBuf,
- FX_FLOAT& R,
- FX_FLOAT& G,
- FX_FLOAT& B) const override;
- FX_BOOL SetRGB(FX_FLOAT* pBuf,
- FX_FLOAT R,
- FX_FLOAT G,
- FX_FLOAT B) const override;
- void TranslateImageLine(uint8_t* pDestBuf,
- const uint8_t* pSrcBuf,
- int pixels,
- int image_width,
- int image_height,
- FX_BOOL bTransMask = FALSE) const override;
-
- FX_FLOAT m_WhitePoint[3];
- FX_FLOAT m_BlackPoint[3];
- FX_FLOAT m_Gamma[3];
- FX_FLOAT m_Matrix[9];
- FX_BOOL m_bGamma;
- FX_BOOL m_bMatrix;
-};
-FX_BOOL CPDF_CalRGB::v_Load(CPDF_Document* pDoc, CPDF_Array* pArray) {
- CPDF_Dictionary* pDict = pArray->GetDictAt(1);
- if (!pDict)
- return FALSE;
-
- CPDF_Array* pParam = pDict->GetArrayBy("WhitePoint");
- int i;
- for (i = 0; i < 3; i++) {
- m_WhitePoint[i] = pParam ? pParam->GetNumberAt(i) : 0;
- }
- pParam = pDict->GetArrayBy("BlackPoint");
- for (i = 0; i < 3; i++) {
- m_BlackPoint[i] = pParam ? pParam->GetNumberAt(i) : 0;
- }
- pParam = pDict->GetArrayBy("Gamma");
- if (pParam) {
- m_bGamma = TRUE;
- for (i = 0; i < 3; i++) {
- m_Gamma[i] = pParam->GetNumberAt(i);
- }
- } else {
- m_bGamma = FALSE;
- }
- pParam = pDict->GetArrayBy("Matrix");
- if (pParam) {
- m_bMatrix = TRUE;
- for (i = 0; i < 9; i++) {
- m_Matrix[i] = pParam->GetNumberAt(i);
- }
- } else {
- m_bMatrix = FALSE;
- }
- return TRUE;
-}
-FX_BOOL CPDF_CalRGB::GetRGB(FX_FLOAT* pBuf,
- FX_FLOAT& R,
- FX_FLOAT& G,
- FX_FLOAT& B) const {
- FX_FLOAT A_ = pBuf[0];
- FX_FLOAT B_ = pBuf[1];
- FX_FLOAT C_ = pBuf[2];
- if (m_bGamma) {
- A_ = (FX_FLOAT)FXSYS_pow(A_, m_Gamma[0]);
- B_ = (FX_FLOAT)FXSYS_pow(B_, m_Gamma[1]);
- C_ = (FX_FLOAT)FXSYS_pow(C_, m_Gamma[2]);
- }
- FX_FLOAT X, Y, Z;
- if (m_bMatrix) {
- X = m_Matrix[0] * A_ + m_Matrix[3] * B_ + m_Matrix[6] * C_;
- Y = m_Matrix[1] * A_ + m_Matrix[4] * B_ + m_Matrix[7] * C_;
- Z = m_Matrix[2] * A_ + m_Matrix[5] * B_ + m_Matrix[8] * C_;
- } else {
- X = A_;
- Y = B_;
- Z = C_;
- }
- XYZ_to_sRGB_WhitePoint(X, Y, Z, R, G, B, m_WhitePoint[0], m_WhitePoint[1],
- m_WhitePoint[2]);
- return TRUE;
-}
-FX_BOOL CPDF_CalRGB::SetRGB(FX_FLOAT* pBuf,
- FX_FLOAT R,
- FX_FLOAT G,
- FX_FLOAT B) const {
- pBuf[0] = R;
- pBuf[1] = G;
- pBuf[2] = B;
- return TRUE;
-}
-void CPDF_CalRGB::TranslateImageLine(uint8_t* pDestBuf,
- const uint8_t* pSrcBuf,
- int pixels,
- int image_width,
- int image_height,
- FX_BOOL bTransMask) const {
- if (bTransMask) {
- FX_FLOAT Cal[3];
- FX_FLOAT R, G, B;
- for (int i = 0; i < pixels; i++) {
- Cal[0] = ((FX_FLOAT)pSrcBuf[2]) / 255;
- Cal[1] = ((FX_FLOAT)pSrcBuf[1]) / 255;
- Cal[2] = ((FX_FLOAT)pSrcBuf[0]) / 255;
- GetRGB(Cal, R, G, B);
- pDestBuf[0] = FXSYS_round(B * 255);
- pDestBuf[1] = FXSYS_round(G * 255);
- pDestBuf[2] = FXSYS_round(R * 255);
- pSrcBuf += 3;
- pDestBuf += 3;
- }
- }
- ReverseRGB(pDestBuf, pSrcBuf, pixels);
-}
-class CPDF_LabCS : public CPDF_ColorSpace {
- public:
- explicit CPDF_LabCS(CPDF_Document* pDoc)
- : CPDF_ColorSpace(pDoc, PDFCS_LAB, 3) {}
- void GetDefaultValue(int iComponent,
- FX_FLOAT& value,
- FX_FLOAT& min,
- FX_FLOAT& max) const override;
- FX_BOOL v_Load(CPDF_Document* pDoc, CPDF_Array* pArray) override;
- FX_BOOL GetRGB(FX_FLOAT* pBuf,
- FX_FLOAT& R,
- FX_FLOAT& G,
- FX_FLOAT& B) const override;
- FX_BOOL SetRGB(FX_FLOAT* pBuf,
- FX_FLOAT R,
- FX_FLOAT G,
- FX_FLOAT B) const override;
- void TranslateImageLine(uint8_t* pDestBuf,
- const uint8_t* pSrcBuf,
- int pixels,
- int image_width,
- int image_height,
- FX_BOOL bTransMask = FALSE) const override;
-
- FX_FLOAT m_WhitePoint[3];
- FX_FLOAT m_BlackPoint[3];
- FX_FLOAT m_Ranges[4];
-};
-FX_BOOL CPDF_LabCS::v_Load(CPDF_Document* pDoc, CPDF_Array* pArray) {
- CPDF_Dictionary* pDict = pArray->GetDictAt(1);
- if (!pDict) {
- return FALSE;
- }
- CPDF_Array* pParam = pDict->GetArrayBy("WhitePoint");
- int i;
- for (i = 0; i < 3; i++) {
- m_WhitePoint[i] = pParam ? pParam->GetNumberAt(i) : 0;
- }
- pParam = pDict->GetArrayBy("BlackPoint");
- for (i = 0; i < 3; i++) {
- m_BlackPoint[i] = pParam ? pParam->GetNumberAt(i) : 0;
- }
- pParam = pDict->GetArrayBy("Range");
- const FX_FLOAT def_ranges[4] = {-100 * 1.0f, 100 * 1.0f, -100 * 1.0f,
- 100 * 1.0f};
- for (i = 0; i < 4; i++) {
- m_Ranges[i] = pParam ? pParam->GetNumberAt(i) : def_ranges[i];
- }
- return TRUE;
-}
-void CPDF_LabCS::GetDefaultValue(int iComponent,
- FX_FLOAT& value,
- FX_FLOAT& min,
- FX_FLOAT& max) const {
- assert(iComponent < 3);
- value = 0;
- if (iComponent == 0) {
- min = 0;
- max = 100 * 1.0f;
- } else {
- min = m_Ranges[iComponent * 2 - 2];
- max = m_Ranges[iComponent * 2 - 1];
- if (value < min) {
- value = min;
- } else if (value > max) {
- value = max;
- }
- }
-}
-FX_BOOL CPDF_LabCS::GetRGB(FX_FLOAT* pBuf,
- FX_FLOAT& R,
- FX_FLOAT& G,
- FX_FLOAT& B) const {
- FX_FLOAT Lstar = pBuf[0];
- FX_FLOAT astar = pBuf[1];
- FX_FLOAT bstar = pBuf[2];
- FX_FLOAT M = (Lstar + 16.0f) / 116.0f;
- FX_FLOAT L = M + astar / 500.0f;
- FX_FLOAT N = M - bstar / 200.0f;
- FX_FLOAT X, Y, Z;
- if (L < 0.2069f) {
- X = 0.957f * 0.12842f * (L - 0.1379f);
- } else {
- X = 0.957f * L * L * L;
- }
- if (M < 0.2069f) {
- Y = 0.12842f * (M - 0.1379f);
- } else {
- Y = M * M * M;
- }
- if (N < 0.2069f) {
- Z = 1.0889f * 0.12842f * (N - 0.1379f);
- } else {
- Z = 1.0889f * N * N * N;
- }
- XYZ_to_sRGB(X, Y, Z, R, G, B);
- return TRUE;
-}
-FX_BOOL CPDF_LabCS::SetRGB(FX_FLOAT* pBuf,
- FX_FLOAT R,
- FX_FLOAT G,
- FX_FLOAT B) const {
- return FALSE;
-}
-void CPDF_LabCS::TranslateImageLine(uint8_t* pDestBuf,
- const uint8_t* pSrcBuf,
- int pixels,
- int image_width,
- int image_height,
- FX_BOOL bTransMask) const {
- for (int i = 0; i < pixels; i++) {
- FX_FLOAT lab[3];
- FX_FLOAT R, G, B;
- lab[0] = (pSrcBuf[0] * 100 / 255.0f);
- lab[1] = (FX_FLOAT)(pSrcBuf[1] - 128);
- lab[2] = (FX_FLOAT)(pSrcBuf[2] - 128);
- GetRGB(lab, R, G, B);
- pDestBuf[0] = (int32_t)(B * 255);
- pDestBuf[1] = (int32_t)(G * 255);
- pDestBuf[2] = (int32_t)(R * 255);
- pDestBuf += 3;
- pSrcBuf += 3;
- }
-}
CPDF_IccProfile::CPDF_IccProfile(const uint8_t* pData, FX_DWORD dwSize)
: m_bsRGB(FALSE), m_pTransform(NULL), m_nSrcComponents(0) {
if (dwSize == 3144 &&
@@ -643,907 +232,4 @@ CPDF_IccProfile::~CPDF_IccProfile() {
CPDF_ModuleMgr::Get()->GetIccModule()->DestroyTransform(m_pTransform);
}
}
-class CPDF_ICCBasedCS : public CPDF_ColorSpace {
- public:
- explicit CPDF_ICCBasedCS(CPDF_Document* pDoc)
- : CPDF_ColorSpace(pDoc, PDFCS_ICCBASED, 0),
- m_pAlterCS(nullptr),
- m_pProfile(nullptr),
- m_pCache(nullptr),
- m_pRanges(nullptr),
- m_bOwn(FALSE) {}
- ~CPDF_ICCBasedCS() override;
-
- FX_BOOL v_Load(CPDF_Document* pDoc, CPDF_Array* pArray) override;
- FX_BOOL GetRGB(FX_FLOAT* pBuf,
- FX_FLOAT& R,
- FX_FLOAT& G,
- FX_FLOAT& B) const override;
- FX_BOOL SetRGB(FX_FLOAT* pBuf,
- FX_FLOAT R,
- FX_FLOAT G,
- FX_FLOAT B) const override;
- FX_BOOL v_GetCMYK(FX_FLOAT* pBuf,
- FX_FLOAT& c,
- FX_FLOAT& m,
- FX_FLOAT& y,
- FX_FLOAT& k) const override;
- void EnableStdConversion(FX_BOOL bEnabled) override;
- void TranslateImageLine(uint8_t* pDestBuf,
- const uint8_t* pSrcBuf,
- int pixels,
- int image_width,
- int image_height,
- FX_BOOL bTransMask = FALSE) const override;
-
- CPDF_ColorSpace* m_pAlterCS;
- CPDF_IccProfile* m_pProfile;
- uint8_t* m_pCache;
- FX_FLOAT* m_pRanges;
- FX_BOOL m_bOwn;
-};
-
-CPDF_ICCBasedCS::~CPDF_ICCBasedCS() {
- FX_Free(m_pCache);
- FX_Free(m_pRanges);
- if (m_pAlterCS && m_bOwn) {
- m_pAlterCS->ReleaseCS();
- }
- if (m_pProfile && m_pDocument) {
- m_pDocument->GetPageData()->ReleaseIccProfile(m_pProfile);
- }
-}
-
-FX_BOOL CPDF_ICCBasedCS::v_Load(CPDF_Document* pDoc, CPDF_Array* pArray) {
- CPDF_Stream* pStream = pArray->GetStreamAt(1);
- if (!pStream) {
- return FALSE;
- }
- m_pProfile = pDoc->LoadIccProfile(pStream);
- if (!m_pProfile) {
- return FALSE;
- }
- m_nComponents =
- m_pProfile
- ->GetComponents(); // Try using the nComponents from ICC profile
- CPDF_Dictionary* pDict = pStream->GetDict();
- if (!m_pProfile->m_pTransform) { // No valid ICC profile or using sRGB
- CPDF_Object* pAlterCSObj =
- pDict ? pDict->GetElementValue("Alternate") : NULL;
- if (pAlterCSObj) {
- CPDF_ColorSpace* pAlterCS = CPDF_ColorSpace::Load(pDoc, pAlterCSObj);
- if (pAlterCS) {
- if (m_nComponents == 0) { // NO valid ICC profile
- if (pAlterCS->CountComponents() > 0) { // Use Alternative colorspace
- m_nComponents = pAlterCS->CountComponents();
- m_pAlterCS = pAlterCS;
- m_bOwn = TRUE;
- } else { // No valid alternative colorspace
- pAlterCS->ReleaseCS();
- int32_t nDictComponents = pDict ? pDict->GetIntegerBy("N") : 0;
- if (nDictComponents != 1 && nDictComponents != 3 &&
- nDictComponents != 4) {
- return FALSE;
- }
- m_nComponents = nDictComponents;
- }
-
- } else { // Using sRGB
- if (pAlterCS->CountComponents() != m_nComponents) {
- pAlterCS->ReleaseCS();
- } else {
- m_pAlterCS = pAlterCS;
- m_bOwn = TRUE;
- }
- }
- }
- }
- if (!m_pAlterCS) {
- if (m_nComponents == 1) {
- m_pAlterCS = GetStockCS(PDFCS_DEVICEGRAY);
- } else if (m_nComponents == 3) {
- m_pAlterCS = GetStockCS(PDFCS_DEVICERGB);
- } else if (m_nComponents == 4) {
- m_pAlterCS = GetStockCS(PDFCS_DEVICECMYK);
- }
- }
- }
- CPDF_Array* pRanges = pDict->GetArrayBy("Range");
- m_pRanges = FX_Alloc2D(FX_FLOAT, m_nComponents, 2);
- for (int i = 0; i < m_nComponents * 2; i++) {
- if (pRanges) {
- m_pRanges[i] = pRanges->GetNumberAt(i);
- } else if (i % 2) {
- m_pRanges[i] = 1.0f;
- } else {
- m_pRanges[i] = 0;
- }
- }
- return TRUE;
-}
-FX_BOOL CPDF_ICCBasedCS::GetRGB(FX_FLOAT* pBuf,
- FX_FLOAT& R,
- FX_FLOAT& G,
- FX_FLOAT& B) const {
- if (m_pProfile && m_pProfile->m_bsRGB) {
- R = pBuf[0];
- G = pBuf[1];
- B = pBuf[2];
- return TRUE;
- }
- ICodec_IccModule* pIccModule = CPDF_ModuleMgr::Get()->GetIccModule();
- if (!m_pProfile->m_pTransform || !pIccModule) {
- if (m_pAlterCS) {
- return m_pAlterCS->GetRGB(pBuf, R, G, B);
- }
- R = G = B = 0.0f;
- return TRUE;
- }
- FX_FLOAT rgb[3];
- pIccModule->SetComponents(m_nComponents);
- pIccModule->Translate(m_pProfile->m_pTransform, pBuf, rgb);
- R = rgb[0];
- G = rgb[1];
- B = rgb[2];
- return TRUE;
-}
-FX_BOOL CPDF_ICCBasedCS::v_GetCMYK(FX_FLOAT* pBuf,
- FX_FLOAT& c,
- FX_FLOAT& m,
- FX_FLOAT& y,
- FX_FLOAT& k) const {
- if (m_nComponents != 4) {
- return FALSE;
- }
- c = pBuf[0];
- m = pBuf[1];
- y = pBuf[2];
- k = pBuf[3];
- return TRUE;
-}
-FX_BOOL CPDF_ICCBasedCS::SetRGB(FX_FLOAT* pBuf,
- FX_FLOAT R,
- FX_FLOAT G,
- FX_FLOAT B) const {
- return FALSE;
-}
-void CPDF_ICCBasedCS::EnableStdConversion(FX_BOOL bEnabled) {
- CPDF_ColorSpace::EnableStdConversion(bEnabled);
- if (m_pAlterCS) {
- m_pAlterCS->EnableStdConversion(bEnabled);
- }
-}
-void CPDF_ICCBasedCS::TranslateImageLine(uint8_t* pDestBuf,
- const uint8_t* pSrcBuf,
- int pixels,
- int image_width,
- int image_height,
- FX_BOOL bTransMask) const {
- if (m_pProfile->m_bsRGB) {
- ReverseRGB(pDestBuf, pSrcBuf, pixels);
- } else if (m_pProfile->m_pTransform) {
- int nMaxColors = 1;
- for (int i = 0; i < m_nComponents; i++) {
- nMaxColors *= 52;
- }
- if (m_nComponents > 3 || image_width * image_height < nMaxColors * 3 / 2) {
- CPDF_ModuleMgr::Get()->GetIccModule()->TranslateScanline(
- m_pProfile->m_pTransform, pDestBuf, pSrcBuf, pixels);
- } else {
- if (!m_pCache) {
- ((CPDF_ICCBasedCS*)this)->m_pCache = FX_Alloc2D(uint8_t, nMaxColors, 3);
- uint8_t* temp_src = FX_Alloc2D(uint8_t, nMaxColors, m_nComponents);
- uint8_t* pSrc = temp_src;
- for (int i = 0; i < nMaxColors; i++) {
- FX_DWORD color = i;
- FX_DWORD order = nMaxColors / 52;
- for (int c = 0; c < m_nComponents; c++) {
- *pSrc++ = (uint8_t)(color / order * 5);
- color %= order;
- order /= 52;
- }
- }
- CPDF_ModuleMgr::Get()->GetIccModule()->TranslateScanline(
- m_pProfile->m_pTransform, m_pCache, temp_src, nMaxColors);
- FX_Free(temp_src);
- }
- for (int i = 0; i < pixels; i++) {
- int index = 0;
- for (int c = 0; c < m_nComponents; c++) {
- index = index * 52 + (*pSrcBuf) / 5;
- pSrcBuf++;
- }
- index *= 3;
- *pDestBuf++ = m_pCache[index];
- *pDestBuf++ = m_pCache[index + 1];
- *pDestBuf++ = m_pCache[index + 2];
- }
- }
- } else if (m_pAlterCS) {
- m_pAlterCS->TranslateImageLine(pDestBuf, pSrcBuf, pixels, image_width,
- image_height);
- }
-}
-class CPDF_IndexedCS : public CPDF_ColorSpace {
- public:
- explicit CPDF_IndexedCS(CPDF_Document* pDoc)
- : CPDF_ColorSpace(pDoc, PDFCS_INDEXED, 1),
- m_pBaseCS(nullptr),
- m_pCountedBaseCS(nullptr),
- m_pCompMinMax(nullptr) {}
- ~CPDF_IndexedCS() override;
-
- FX_BOOL v_Load(CPDF_Document* pDoc, CPDF_Array* pArray) override;
- FX_BOOL GetRGB(FX_FLOAT* pBuf,
- FX_FLOAT& R,
- FX_FLOAT& G,
- FX_FLOAT& B) const override;
- CPDF_ColorSpace* GetBaseCS() const override;
- void EnableStdConversion(FX_BOOL bEnabled) override;
-
- CPDF_ColorSpace* m_pBaseCS;
- CPDF_CountedColorSpace* m_pCountedBaseCS;
- int m_nBaseComponents;
- int m_MaxIndex;
- CFX_ByteString m_Table;
- FX_FLOAT* m_pCompMinMax;
-};
-CPDF_IndexedCS::~CPDF_IndexedCS() {
- FX_Free(m_pCompMinMax);
- CPDF_ColorSpace* pCS = m_pCountedBaseCS ? m_pCountedBaseCS->get() : NULL;
- if (pCS && m_pDocument) {
- m_pDocument->GetPageData()->ReleaseColorSpace(pCS->GetArray());
- }
-}
-FX_BOOL CPDF_IndexedCS::v_Load(CPDF_Document* pDoc, CPDF_Array* pArray) {
- if (pArray->GetCount() < 4) {
- return FALSE;
- }
- CPDF_Object* pBaseObj = pArray->GetElementValue(1);
- if (pBaseObj == m_pArray) {
- return FALSE;
- }
- CPDF_DocPageData* pDocPageData = pDoc->GetPageData();
- m_pBaseCS = pDocPageData->GetColorSpace(pBaseObj, NULL);
- if (!m_pBaseCS) {
- return FALSE;
- }
- m_pCountedBaseCS = pDocPageData->FindColorSpacePtr(m_pBaseCS->GetArray());
- m_nBaseComponents = m_pBaseCS->CountComponents();
- m_pCompMinMax = FX_Alloc2D(FX_FLOAT, m_nBaseComponents, 2);
- FX_FLOAT defvalue;
- for (int i = 0; i < m_nBaseComponents; i++) {
- m_pBaseCS->GetDefaultValue(i, defvalue, m_pCompMinMax[i * 2],
- m_pCompMinMax[i * 2 + 1]);
- m_pCompMinMax[i * 2 + 1] -= m_pCompMinMax[i * 2];
- }
- m_MaxIndex = pArray->GetIntegerAt(2);
-
- CPDF_Object* pTableObj = pArray->GetElementValue(3);
- if (!pTableObj)
- return FALSE;
-
- if (CPDF_String* pString = pTableObj->AsString()) {
- m_Table = pString->GetString();
- } else if (CPDF_Stream* pStream = pTableObj->AsStream()) {
- CPDF_StreamAcc acc;
- acc.LoadAllData(pStream, FALSE);
- m_Table = CFX_ByteStringC(acc.GetData(), acc.GetSize());
- }
- return TRUE;
-}
-
-FX_BOOL CPDF_IndexedCS::GetRGB(FX_FLOAT* pBuf,
- FX_FLOAT& R,
- FX_FLOAT& G,
- FX_FLOAT& B) const {
- int index = (int32_t)(*pBuf);
- if (index < 0 || index > m_MaxIndex) {
- return FALSE;
- }
- if (m_nBaseComponents) {
- if (index == INT_MAX || (index + 1) > INT_MAX / m_nBaseComponents ||
- (index + 1) * m_nBaseComponents > (int)m_Table.GetLength()) {
- R = G = B = 0;
- return FALSE;
- }
- }
- CFX_FixedBufGrow<FX_FLOAT, 16> Comps(m_nBaseComponents);
- FX_FLOAT* comps = Comps;
- const uint8_t* pTable = m_Table;
- for (int i = 0; i < m_nBaseComponents; i++) {
- comps[i] =
- m_pCompMinMax[i * 2] +
- m_pCompMinMax[i * 2 + 1] * pTable[index * m_nBaseComponents + i] / 255;
- }
- return m_pBaseCS->GetRGB(comps, R, G, B);
-}
-CPDF_ColorSpace* CPDF_IndexedCS::GetBaseCS() const {
- return m_pBaseCS;
-}
-void CPDF_IndexedCS::EnableStdConversion(FX_BOOL bEnabled) {
- CPDF_ColorSpace::EnableStdConversion(bEnabled);
- if (m_pBaseCS) {
- m_pBaseCS->EnableStdConversion(bEnabled);
- }
-}
-
-#define MAX_PATTERN_COLORCOMPS 16
-struct PatternValue {
- CPDF_Pattern* m_pPattern;
- CPDF_CountedPattern* m_pCountedPattern;
- int m_nComps;
- FX_FLOAT m_Comps[MAX_PATTERN_COLORCOMPS];
-};
-CPDF_PatternCS::~CPDF_PatternCS() {
- CPDF_ColorSpace* pCS = m_pCountedBaseCS ? m_pCountedBaseCS->get() : NULL;
- if (pCS && m_pDocument) {
- m_pDocument->GetPageData()->ReleaseColorSpace(pCS->GetArray());
- }
-}
-FX_BOOL CPDF_PatternCS::v_Load(CPDF_Document* pDoc, CPDF_Array* pArray) {
- CPDF_Object* pBaseCS = pArray->GetElementValue(1);
- if (pBaseCS == m_pArray) {
- return FALSE;
- }
- CPDF_DocPageData* pDocPageData = pDoc->GetPageData();
- m_pBaseCS = pDocPageData->GetColorSpace(pBaseCS, NULL);
- if (m_pBaseCS) {
- if (m_pBaseCS->GetFamily() == PDFCS_PATTERN) {
- return FALSE;
- }
- m_pCountedBaseCS = pDocPageData->FindColorSpacePtr(m_pBaseCS->GetArray());
- m_nComponents = m_pBaseCS->CountComponents() + 1;
- if (m_pBaseCS->CountComponents() > MAX_PATTERN_COLORCOMPS) {
- return FALSE;
- }
- } else {
- m_nComponents = 1;
- }
- return TRUE;
-}
-FX_BOOL CPDF_PatternCS::GetRGB(FX_FLOAT* pBuf,
- FX_FLOAT& R,
- FX_FLOAT& G,
- FX_FLOAT& B) const {
- if (m_pBaseCS) {
- ASSERT(m_pBaseCS->GetFamily() != PDFCS_PATTERN);
- PatternValue* pvalue = (PatternValue*)pBuf;
- if (m_pBaseCS->GetRGB(pvalue->m_Comps, R, G, B)) {
- return TRUE;
- }
- }
- R = G = B = 0.75f;
- return FALSE;
-}
-CPDF_ColorSpace* CPDF_PatternCS::GetBaseCS() const {
- return m_pBaseCS;
-}
-class CPDF_SeparationCS : public CPDF_ColorSpace {
- public:
- explicit CPDF_SeparationCS(CPDF_Document* pDoc)
- : CPDF_ColorSpace(pDoc, PDFCS_SEPARATION, 1),
- m_pAltCS(nullptr),
- m_pFunc(nullptr) {}
- ~CPDF_SeparationCS() override;
-
- // CPDF_ColorSpace:
- void GetDefaultValue(int iComponent,
- FX_FLOAT& value,
- FX_FLOAT& min,
- FX_FLOAT& max) const override;
- FX_BOOL v_Load(CPDF_Document* pDoc, CPDF_Array* pArray) override;
- FX_BOOL GetRGB(FX_FLOAT* pBuf,
- FX_FLOAT& R,
- FX_FLOAT& G,
- FX_FLOAT& B) const override;
- void EnableStdConversion(FX_BOOL bEnabled) override;
-
- CPDF_ColorSpace* m_pAltCS;
- CPDF_Function* m_pFunc;
- enum { None, All, Colorant } m_Type;
-};
-CPDF_SeparationCS::~CPDF_SeparationCS() {
- if (m_pAltCS) {
- m_pAltCS->ReleaseCS();
- }
- delete m_pFunc;
-}
-void CPDF_SeparationCS::GetDefaultValue(int iComponent,
- FX_FLOAT& value,
- FX_FLOAT& min,
- FX_FLOAT& max) const {
- value = 1.0f;
- min = 0;
- max = 1.0f;
-}
-FX_BOOL CPDF_SeparationCS::v_Load(CPDF_Document* pDoc, CPDF_Array* pArray) {
- CFX_ByteString name = pArray->GetStringAt(1);
- if (name == "None") {
- m_Type = None;
- } else {
- m_Type = Colorant;
- CPDF_Object* pAltCS = pArray->GetElementValue(2);
- if (pAltCS == m_pArray) {
- return FALSE;
- }
- m_pAltCS = Load(pDoc, pAltCS);
- if (!m_pAltCS) {
- return FALSE;
- }
- CPDF_Object* pFuncObj = pArray->GetElementValue(3);
- if (pFuncObj && !pFuncObj->IsName())
- m_pFunc = CPDF_Function::Load(pFuncObj);
-
- if (m_pFunc && m_pFunc->CountOutputs() < m_pAltCS->CountComponents()) {
- delete m_pFunc;
- m_pFunc = NULL;
- }
- }
- return TRUE;
-}
-FX_BOOL CPDF_SeparationCS::GetRGB(FX_FLOAT* pBuf,
- FX_FLOAT& R,
- FX_FLOAT& G,
- FX_FLOAT& B) const {
- if (m_Type == None) {
- return FALSE;
- }
- if (!m_pFunc) {
- if (!m_pAltCS) {
- return FALSE;
- }
- int nComps = m_pAltCS->CountComponents();
- CFX_FixedBufGrow<FX_FLOAT, 16> results(nComps);
- for (int i = 0; i < nComps; i++) {
- results[i] = *pBuf;
- }
- return m_pAltCS->GetRGB(results, R, G, B);
- }
- CFX_FixedBufGrow<FX_FLOAT, 16> results(m_pFunc->CountOutputs());
- int nresults = 0;
- m_pFunc->Call(pBuf, 1, results, nresults);
- if (nresults == 0) {
- return FALSE;
- }
- if (m_pAltCS) {
- return m_pAltCS->GetRGB(results, R, G, B);
- }
- R = G = B = 0;
- return FALSE;
-}
-void CPDF_SeparationCS::EnableStdConversion(FX_BOOL bEnabled) {
- CPDF_ColorSpace::EnableStdConversion(bEnabled);
- if (m_pAltCS) {
- m_pAltCS->EnableStdConversion(bEnabled);
- }
-}
-class CPDF_DeviceNCS : public CPDF_ColorSpace {
- public:
- explicit CPDF_DeviceNCS(CPDF_Document* pDoc)
- : CPDF_ColorSpace(pDoc, PDFCS_DEVICEN, 0),
- m_pAltCS(nullptr),
- m_pFunc(nullptr) {}
- ~CPDF_DeviceNCS() override;
-
- // CPDF_ColorSpace:
- void GetDefaultValue(int iComponent,
- FX_FLOAT& value,
- FX_FLOAT& min,
- FX_FLOAT& max) const override;
- FX_BOOL v_Load(CPDF_Document* pDoc, CPDF_Array* pArray) override;
- FX_BOOL GetRGB(FX_FLOAT* pBuf,
- FX_FLOAT& R,
- FX_FLOAT& G,
- FX_FLOAT& B) const override;
- void EnableStdConversion(FX_BOOL bEnabled) override;
-
- CPDF_ColorSpace* m_pAltCS;
- CPDF_Function* m_pFunc;
-};
-CPDF_DeviceNCS::~CPDF_DeviceNCS() {
- delete m_pFunc;
- if (m_pAltCS) {
- m_pAltCS->ReleaseCS();
- }
-}
-void CPDF_DeviceNCS::GetDefaultValue(int iComponent,
- FX_FLOAT& value,
- FX_FLOAT& min,
- FX_FLOAT& max) const {
- value = 1.0f;
- min = 0;
- max = 1.0f;
-}
-FX_BOOL CPDF_DeviceNCS::v_Load(CPDF_Document* pDoc, CPDF_Array* pArray) {
- CPDF_Array* pObj = ToArray(pArray->GetElementValue(1));
- if (!pObj)
- return FALSE;
-
- m_nComponents = pObj->GetCount();
- CPDF_Object* pAltCS = pArray->GetElementValue(2);
- if (!pAltCS || pAltCS == m_pArray) {
- return FALSE;
- }
- m_pAltCS = Load(pDoc, pAltCS);
- m_pFunc = CPDF_Function::Load(pArray->GetElementValue(3));
- if (!m_pAltCS || !m_pFunc) {
- return FALSE;
- }
- if (m_pFunc->CountOutputs() < m_pAltCS->CountComponents()) {
- return FALSE;
- }
- return TRUE;
-}
-FX_BOOL CPDF_DeviceNCS::GetRGB(FX_FLOAT* pBuf,
- FX_FLOAT& R,
- FX_FLOAT& G,
- FX_FLOAT& B) const {
- if (!m_pFunc) {
- return FALSE;
- }
- CFX_FixedBufGrow<FX_FLOAT, 16> results(m_pFunc->CountOutputs());
- int nresults = 0;
- m_pFunc->Call(pBuf, m_nComponents, results, nresults);
- if (nresults == 0) {
- return FALSE;
- }
- return m_pAltCS->GetRGB(results, R, G, B);
-}
-void CPDF_DeviceNCS::EnableStdConversion(FX_BOOL bEnabled) {
- CPDF_ColorSpace::EnableStdConversion(bEnabled);
- if (m_pAltCS) {
- m_pAltCS->EnableStdConversion(bEnabled);
- }
-}
-
-CPDF_ColorSpace* CPDF_ColorSpace::GetStockCS(int family) {
- return CPDF_ModuleMgr::Get()->GetPageModule()->GetStockCS(family);
-}
-
-CPDF_ColorSpace* _CSFromName(const CFX_ByteString& name) {
- if (name == "DeviceRGB" || name == "RGB") {
- return CPDF_ColorSpace::GetStockCS(PDFCS_DEVICERGB);
- }
- if (name == "DeviceGray" || name == "G") {
- return CPDF_ColorSpace::GetStockCS(PDFCS_DEVICEGRAY);
- }
- if (name == "DeviceCMYK" || name == "CMYK") {
- return CPDF_ColorSpace::GetStockCS(PDFCS_DEVICECMYK);
- }
- if (name == "Pattern") {
- return CPDF_ColorSpace::GetStockCS(PDFCS_PATTERN);
- }
- return NULL;
-}
-CPDF_ColorSpace* CPDF_ColorSpace::Load(CPDF_Document* pDoc, CPDF_Object* pObj) {
- if (!pObj)
- return nullptr;
- if (pObj->IsName())
- return _CSFromName(pObj->GetString());
-
- if (CPDF_Stream* pStream = pObj->AsStream()) {
- CPDF_Dictionary* pDict = pStream->GetDict();
- if (!pDict)
- return nullptr;
-
- for (const auto& it : *pDict) {
- CPDF_ColorSpace* pRet = nullptr;
- CPDF_Object* pValue = it.second;
- if (ToName(pValue))
- pRet = _CSFromName(pValue->GetString());
- if (pRet)
- return pRet;
- }
- return nullptr;
- }
-
- CPDF_Array* pArray = pObj->AsArray();
- if (!pArray || pArray->GetCount() == 0)
- return nullptr;
-
- CPDF_Object* pFamilyObj = pArray->GetElementValue(0);
- if (!pFamilyObj)
- return nullptr;
-
- CFX_ByteString familyname = pFamilyObj->GetString();
- if (pArray->GetCount() == 1)
- return _CSFromName(familyname);
-
- CPDF_ColorSpace* pCS = NULL;
- FX_DWORD id = familyname.GetID();
- if (id == FXBSTR_ID('C', 'a', 'l', 'G')) {
- pCS = new CPDF_CalGray(pDoc);
- } else if (id == FXBSTR_ID('C', 'a', 'l', 'R')) {
- pCS = new CPDF_CalRGB(pDoc);
- } else if (id == FXBSTR_ID('L', 'a', 'b', 0)) {
- pCS = new CPDF_LabCS(pDoc);
- } else if (id == FXBSTR_ID('I', 'C', 'C', 'B')) {
- pCS = new CPDF_ICCBasedCS(pDoc);
- } else if (id == FXBSTR_ID('I', 'n', 'd', 'e') ||
- id == FXBSTR_ID('I', 0, 0, 0)) {
- pCS = new CPDF_IndexedCS(pDoc);
- } else if (id == FXBSTR_ID('S', 'e', 'p', 'a')) {
- pCS = new CPDF_SeparationCS(pDoc);
- } else if (id == FXBSTR_ID('D', 'e', 'v', 'i')) {
- pCS = new CPDF_DeviceNCS(pDoc);
- } else if (id == FXBSTR_ID('P', 'a', 't', 't')) {
- pCS = new CPDF_PatternCS(pDoc);
- } else {
- return NULL;
- }
- pCS->m_pArray = pArray;
- if (!pCS->v_Load(pDoc, pArray)) {
- pCS->ReleaseCS();
- return NULL;
- }
- return pCS;
-}
-void CPDF_ColorSpace::ReleaseCS() {
- if (this == GetStockCS(PDFCS_DEVICERGB)) {
- return;
- }
- if (this == GetStockCS(PDFCS_DEVICEGRAY)) {
- return;
- }
- if (this == GetStockCS(PDFCS_DEVICECMYK)) {
- return;
- }
- if (this == GetStockCS(PDFCS_PATTERN)) {
- return;
- }
- delete this;
-}
-int CPDF_ColorSpace::GetBufSize() const {
- if (m_Family == PDFCS_PATTERN) {
- return sizeof(PatternValue);
- }
- return m_nComponents * sizeof(FX_FLOAT);
-}
-FX_FLOAT* CPDF_ColorSpace::CreateBuf() {
- int size = GetBufSize();
- uint8_t* pBuf = FX_Alloc(uint8_t, size);
- return (FX_FLOAT*)pBuf;
-}
-FX_BOOL CPDF_ColorSpace::sRGB() const {
- if (m_Family == PDFCS_DEVICERGB) {
- return TRUE;
- }
- if (m_Family != PDFCS_ICCBASED) {
- return FALSE;
- }
- CPDF_ICCBasedCS* pCS = (CPDF_ICCBasedCS*)this;
- return pCS->m_pProfile->m_bsRGB;
-}
-FX_BOOL CPDF_ColorSpace::GetCMYK(FX_FLOAT* pBuf,
- FX_FLOAT& c,
- FX_FLOAT& m,
- FX_FLOAT& y,
- FX_FLOAT& k) const {
- if (v_GetCMYK(pBuf, c, m, y, k)) {
- return TRUE;
- }
- FX_FLOAT R, G, B;
- if (!GetRGB(pBuf, R, G, B)) {
- return FALSE;
- }
- sRGB_to_AdobeCMYK(R, G, B, c, m, y, k);
- return TRUE;
-}
-FX_BOOL CPDF_ColorSpace::SetCMYK(FX_FLOAT* pBuf,
- FX_FLOAT c,
- FX_FLOAT m,
- FX_FLOAT y,
- FX_FLOAT k) const {
- if (v_SetCMYK(pBuf, c, m, y, k)) {
- return TRUE;
- }
- FX_FLOAT R, G, B;
- AdobeCMYK_to_sRGB(c, m, y, k, R, G, B);
- return SetRGB(pBuf, R, G, B);
-}
-void CPDF_ColorSpace::GetDefaultColor(FX_FLOAT* buf) const {
- if (!buf || m_Family == PDFCS_PATTERN) {
- return;
- }
- FX_FLOAT min, max;
- for (int i = 0; i < m_nComponents; i++) {
- GetDefaultValue(i, buf[i], min, max);
- }
-}
-int CPDF_ColorSpace::GetMaxIndex() const {
- if (m_Family != PDFCS_INDEXED) {
- return 0;
- }
- CPDF_IndexedCS* pCS = (CPDF_IndexedCS*)this;
- return pCS->m_MaxIndex;
-}
-void CPDF_ColorSpace::TranslateImageLine(uint8_t* dest_buf,
- const uint8_t* src_buf,
- int pixels,
- int image_width,
- int image_height,
- FX_BOOL bTransMask) const {
- CFX_FixedBufGrow<FX_FLOAT, 16> srcbuf(m_nComponents);
- FX_FLOAT* src = srcbuf;
- FX_FLOAT R, G, B;
- for (int i = 0; i < pixels; i++) {
- for (int j = 0; j < m_nComponents; j++)
- if (m_Family == PDFCS_INDEXED) {
- src[j] = (FX_FLOAT)(*src_buf++);
- } else {
- src[j] = (FX_FLOAT)(*src_buf++) / 255;
- }
- GetRGB(src, R, G, B);
- *dest_buf++ = (int32_t)(B * 255);
- *dest_buf++ = (int32_t)(G * 255);
- *dest_buf++ = (int32_t)(R * 255);
- }
-}
-void CPDF_ColorSpace::EnableStdConversion(FX_BOOL bEnabled) {
- if (bEnabled) {
- m_dwStdConversion++;
- } else if (m_dwStdConversion) {
- m_dwStdConversion--;
- }
-}
-CPDF_Color::CPDF_Color(int family) {
- m_pCS = CPDF_ColorSpace::GetStockCS(family);
- int nComps = 3;
- if (family == PDFCS_DEVICEGRAY) {
- nComps = 1;
- } else if (family == PDFCS_DEVICECMYK) {
- nComps = 4;
- }
- m_pBuffer = FX_Alloc(FX_FLOAT, nComps);
- for (int i = 0; i < nComps; i++) {
- m_pBuffer[i] = 0;
- }
-}
-CPDF_Color::~CPDF_Color() {
- ReleaseBuffer();
- ReleaseColorSpace();
-}
-void CPDF_Color::ReleaseBuffer() {
- if (!m_pBuffer) {
- return;
- }
- if (m_pCS->GetFamily() == PDFCS_PATTERN) {
- PatternValue* pvalue = (PatternValue*)m_pBuffer;
- CPDF_Pattern* pPattern =
- pvalue->m_pCountedPattern ? pvalue->m_pCountedPattern->get() : NULL;
- if (pPattern && pPattern->m_pDocument) {
- CPDF_DocPageData* pPageData = pPattern->m_pDocument->GetPageData();
- if (pPageData) {
- pPageData->ReleasePattern(pPattern->m_pPatternObj);
- }
- }
- }
- FX_Free(m_pBuffer);
- m_pBuffer = NULL;
-}
-void CPDF_Color::ReleaseColorSpace() {
- if (m_pCS && m_pCS->m_pDocument && m_pCS->GetArray()) {
- m_pCS->m_pDocument->GetPageData()->ReleaseColorSpace(m_pCS->GetArray());
- m_pCS = NULL;
- }
-}
-void CPDF_Color::SetColorSpace(CPDF_ColorSpace* pCS) {
- if (m_pCS == pCS) {
- if (!m_pBuffer) {
- m_pBuffer = pCS->CreateBuf();
- }
- ReleaseColorSpace();
- m_pCS = pCS;
- return;
- }
- ReleaseBuffer();
- ReleaseColorSpace();
- m_pCS = pCS;
- if (m_pCS) {
- m_pBuffer = pCS->CreateBuf();
- pCS->GetDefaultColor(m_pBuffer);
- }
-}
-void CPDF_Color::SetValue(FX_FLOAT* comps) {
- if (!m_pBuffer) {
- return;
- }
- if (m_pCS->GetFamily() != PDFCS_PATTERN) {
- FXSYS_memcpy(m_pBuffer, comps, m_pCS->CountComponents() * sizeof(FX_FLOAT));
- }
-}
-void CPDF_Color::SetValue(CPDF_Pattern* pPattern, FX_FLOAT* comps, int ncomps) {
- if (ncomps > MAX_PATTERN_COLORCOMPS) {
- return;
- }
- if (!m_pCS || m_pCS->GetFamily() != PDFCS_PATTERN) {
- FX_Free(m_pBuffer);
- m_pCS = CPDF_ColorSpace::GetStockCS(PDFCS_PATTERN);
- m_pBuffer = m_pCS->CreateBuf();
- }
- CPDF_DocPageData* pDocPageData = NULL;
- PatternValue* pvalue = (PatternValue*)m_pBuffer;
- if (pvalue->m_pPattern && pvalue->m_pPattern->m_pDocument) {
- pDocPageData = pvalue->m_pPattern->m_pDocument->GetPageData();
- if (pDocPageData) {
- pDocPageData->ReleasePattern(pvalue->m_pPattern->m_pPatternObj);
- }
- }
- pvalue->m_nComps = ncomps;
- pvalue->m_pPattern = pPattern;
- if (ncomps) {
- FXSYS_memcpy(pvalue->m_Comps, comps, ncomps * sizeof(FX_FLOAT));
- }
- pvalue->m_pCountedPattern = NULL;
- if (pPattern && pPattern->m_pDocument) {
- if (!pDocPageData) {
- pDocPageData = pPattern->m_pDocument->GetPageData();
- }
- pvalue->m_pCountedPattern =
- pDocPageData->FindPatternPtr(pPattern->m_pPatternObj);
- }
-}
-void CPDF_Color::Copy(const CPDF_Color* pSrc) {
- ReleaseBuffer();
- ReleaseColorSpace();
- m_pCS = pSrc->m_pCS;
- if (m_pCS && m_pCS->m_pDocument) {
- CPDF_Array* pArray = m_pCS->GetArray();
- if (pArray) {
- m_pCS = m_pCS->m_pDocument->GetPageData()->GetCopiedColorSpace(pArray);
- }
- }
- if (!m_pCS) {
- return;
- }
- m_pBuffer = m_pCS->CreateBuf();
- FXSYS_memcpy(m_pBuffer, pSrc->m_pBuffer, m_pCS->GetBufSize());
- if (m_pCS->GetFamily() == PDFCS_PATTERN) {
- PatternValue* pvalue = (PatternValue*)m_pBuffer;
- if (pvalue->m_pPattern && pvalue->m_pPattern->m_pDocument) {
- pvalue->m_pPattern =
- pvalue->m_pPattern->m_pDocument->GetPageData()->GetPattern(
- pvalue->m_pPattern->m_pPatternObj, FALSE,
- &pvalue->m_pPattern->m_ParentMatrix);
- }
- }
-}
-FX_BOOL CPDF_Color::GetRGB(int& R, int& G, int& B) const {
- if (!m_pCS || !m_pBuffer) {
- return FALSE;
- }
- FX_FLOAT r = 0.0f, g = 0.0f, b = 0.0f;
- if (!m_pCS->GetRGB(m_pBuffer, r, g, b)) {
- return FALSE;
- }
- R = (int32_t)(r * 255 + 0.5f);
- G = (int32_t)(g * 255 + 0.5f);
- B = (int32_t)(b * 255 + 0.5f);
- return TRUE;
-}
-CPDF_Pattern* CPDF_Color::GetPattern() const {
- if (!m_pBuffer || m_pCS->GetFamily() != PDFCS_PATTERN) {
- return NULL;
- }
- PatternValue* pvalue = (PatternValue*)m_pBuffer;
- return pvalue->m_pPattern;
-}
-CPDF_ColorSpace* CPDF_Color::GetPatternCS() const {
- if (!m_pBuffer || m_pCS->GetFamily() != PDFCS_PATTERN) {
- return NULL;
- }
- return m_pCS->GetBaseCS();
-}
-FX_FLOAT* CPDF_Color::GetPatternColor() const {
- if (!m_pBuffer || m_pCS->GetFamily() != PDFCS_PATTERN) {
- return NULL;
- }
- PatternValue* pvalue = (PatternValue*)m_pBuffer;
- return pvalue->m_nComps ? pvalue->m_Comps : NULL;
-}
-FX_BOOL CPDF_Color::IsEqual(const CPDF_Color& other) const {
- return m_pCS && m_pCS == other.m_pCS &&
- FXSYS_memcmp(m_pBuffer, other.m_pBuffer, m_pCS->GetBufSize()) == 0;
-}
diff --git a/core/fpdfapi/fpdf_page/fpdf_page_doc.cpp b/core/fpdfapi/fpdf_page/fpdf_page_doc.cpp
index 0d0c373c56..2e68702127 100644
--- a/core/fpdfapi/fpdf_page/fpdf_page_doc.cpp
+++ b/core/fpdfapi/fpdf_page/fpdf_page_doc.cpp
@@ -7,10 +7,16 @@
#include "core/fpdfapi/fpdf_page/pageint.h"
#include "core/fdrm/crypto/include/fx_crypt.h"
+#include "core/fpdfapi/fpdf_font/cpdf_type1font.h"
#include "core/fpdfapi/fpdf_font/font_int.h"
+#include "core/fpdfapi/fpdf_page/cpdf_pattern.h"
+#include "core/fpdfapi/fpdf_page/cpdf_shadingpattern.h"
+#include "core/fpdfapi/fpdf_page/cpdf_tilingpattern.h"
+#include "core/fpdfapi/fpdf_page/include/cpdf_image.h"
#include "core/fpdfapi/fpdf_parser/include/cpdf_array.h"
#include "core/fpdfapi/fpdf_parser/include/cpdf_dictionary.h"
#include "core/fpdfapi/fpdf_parser/include/cpdf_document.h"
+#include "core/fpdfapi/fpdf_parser/include/cpdf_stream_acc.h"
#include "core/fpdfapi/include/cpdf_modulemgr.h"
#include "core/fpdfapi/ipdf_pagemodule.h"
@@ -91,7 +97,6 @@ CPDF_StreamAcc* CPDF_Document::LoadFontFile(CPDF_Stream* pStream) {
return GetValidatePageData()->GetFontFileStreamAcc(pStream);
}
-CPDF_ColorSpace* _CSFromName(const CFX_ByteString& name);
CPDF_ColorSpace* CPDF_Document::LoadColorSpace(CPDF_Object* pCSObj,
CPDF_Dictionary* pResources) {
return GetValidatePageData()->GetColorSpace(pCSObj, pResources);
@@ -322,7 +327,7 @@ CPDF_ColorSpace* CPDF_DocPageData::GetColorSpace(
if (pCSObj->IsName()) {
CFX_ByteString name = pCSObj->GetConstString();
- CPDF_ColorSpace* pCS = _CSFromName(name);
+ CPDF_ColorSpace* pCS = CPDF_ColorSpace::ColorspaceFromName(name);
if (!pCS && pResources) {
CPDF_Dictionary* pList = pResources->GetDictBy("ColorSpace");
if (pList) {
diff --git a/core/fpdfapi/fpdf_page/fpdf_page_func.cpp b/core/fpdfapi/fpdf_page/fpdf_page_func.cpp
index cea7d6b8e7..96aad6d87f 100644
--- a/core/fpdfapi/fpdf_page/fpdf_page_func.cpp
+++ b/core/fpdfapi/fpdf_page/fpdf_page_func.cpp
@@ -15,6 +15,8 @@
#include "core/fpdfapi/fpdf_parser/include/cpdf_array.h"
#include "core/fpdfapi/fpdf_parser/include/cpdf_dictionary.h"
#include "core/fpdfapi/fpdf_parser/include/cpdf_simple_parser.h"
+#include "core/fpdfapi/fpdf_parser/include/cpdf_stream.h"
+#include "core/fpdfapi/fpdf_parser/include/cpdf_stream_acc.h"
#include "core/fxcrt/include/fx_safe_types.h"
#include "third_party/base/numerics/safe_conversions_impl.h"
diff --git a/core/fpdfapi/fpdf_page/fpdf_page_image.cpp b/core/fpdfapi/fpdf_page/fpdf_page_image.cpp
deleted file mode 100644
index f66823657f..0000000000
--- a/core/fpdfapi/fpdf_page/fpdf_page_image.cpp
+++ /dev/null
@@ -1,66 +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/fpdfapi/fpdf_page/pageint.h"
-
-#include "core/fpdfapi/fpdf_parser/include/cpdf_dictionary.h"
-#include "core/fpdfapi/fpdf_parser/include/cpdf_document.h"
-
-void CPDF_Image::Release() {
- if (m_bInline || (m_pStream && m_pStream->GetObjNum() == 0)) {
- delete this;
- }
-}
-CPDF_Image* CPDF_Image::Clone() {
- if (m_pStream->GetObjNum())
- return m_pDocument->GetPageData()->GetImage(m_pStream);
-
- CPDF_Image* pImage = new CPDF_Image(m_pDocument);
- pImage->LoadImageF(ToStream(m_pStream->Clone()), m_bInline);
- if (m_bInline)
- pImage->SetInlineDict(ToDictionary(m_pInlineDict->Clone(TRUE)));
-
- return pImage;
-}
-CPDF_Image::CPDF_Image(CPDF_Document* pDoc) {
- m_pDocument = pDoc;
- m_pStream = NULL;
- m_pOC = NULL;
- m_bInline = FALSE;
- m_pInlineDict = NULL;
- m_pDIBSource = NULL;
- m_pMask = NULL;
- m_MatteColor = 0;
-}
-CPDF_Image::~CPDF_Image() {
- if (m_bInline) {
- if (m_pStream) {
- m_pStream->Release();
- }
- if (m_pInlineDict) {
- m_pInlineDict->Release();
- }
- }
-}
-FX_BOOL CPDF_Image::LoadImageF(CPDF_Stream* pStream, FX_BOOL bInline) {
- m_pStream = pStream;
- if (m_bInline && m_pInlineDict) {
- m_pInlineDict->Release();
- m_pInlineDict = NULL;
- }
- m_bInline = bInline;
- CPDF_Dictionary* pDict = pStream->GetDict();
- if (m_bInline) {
- m_pInlineDict = ToDictionary(pDict->Clone());
- }
- m_pOC = pDict->GetDictBy("OC");
- m_bIsMask =
- !pDict->KeyExist("ColorSpace") || pDict->GetIntegerBy("ImageMask");
- m_bInterpolate = pDict->GetIntegerBy("Interpolate");
- m_Height = pDict->GetIntegerBy("Height");
- m_Width = pDict->GetIntegerBy("Width");
- return TRUE;
-}
diff --git a/core/fpdfapi/fpdf_page/fpdf_page_parser.cpp b/core/fpdfapi/fpdf_page/fpdf_page_parser.cpp
index 700103ed41..63c84bbd22 100644
--- a/core/fpdfapi/fpdf_page/fpdf_page_parser.cpp
+++ b/core/fpdfapi/fpdf_page/fpdf_page_parser.cpp
@@ -9,9 +9,13 @@
#include <vector>
#include "core/fpdfapi/fpdf_edit/include/cpdf_creator.h"
+#include "core/fpdfapi/fpdf_font/cpdf_type3font.h"
+#include "core/fpdfapi/fpdf_font/include/cpdf_font.h"
#include "core/fpdfapi/fpdf_page/cpdf_allstates.h"
+#include "core/fpdfapi/fpdf_page/cpdf_shadingpattern.h"
#include "core/fpdfapi/fpdf_page/include/cpdf_form.h"
#include "core/fpdfapi/fpdf_page/include/cpdf_formobject.h"
+#include "core/fpdfapi/fpdf_page/include/cpdf_image.h"
#include "core/fpdfapi/fpdf_page/include/cpdf_imageobject.h"
#include "core/fpdfapi/fpdf_page/include/cpdf_pageobject.h"
#include "core/fpdfapi/fpdf_page/include/cpdf_pathobject.h"
@@ -23,6 +27,8 @@
#include "core/fpdfapi/fpdf_parser/include/cpdf_name.h"
#include "core/fpdfapi/fpdf_parser/include/cpdf_number.h"
#include "core/fpdfapi/fpdf_parser/include/cpdf_reference.h"
+#include "core/fpdfapi/fpdf_parser/include/cpdf_stream.h"
+#include "core/fpdfapi/fpdf_parser/include/cpdf_stream_acc.h"
#include "core/fpdfapi/fpdf_parser/include/fpdf_parser_decode.h"
namespace {
diff --git a/core/fpdfapi/fpdf_page/fpdf_page_parser_old.cpp b/core/fpdfapi/fpdf_page/fpdf_page_parser_old.cpp
index c0d7c08ee1..04211041fe 100644
--- a/core/fpdfapi/fpdf_page/fpdf_page_parser_old.cpp
+++ b/core/fpdfapi/fpdf_page/fpdf_page_parser_old.cpp
@@ -8,6 +8,7 @@
#include <limits.h>
+#include "core/fpdfapi/fpdf_font/cpdf_type3char.h"
#include "core/fpdfapi/fpdf_page/cpdf_allstates.h"
#include "core/fpdfapi/fpdf_page/include/cpdf_form.h"
#include "core/fpdfapi/fpdf_page/include/cpdf_page.h"
@@ -21,6 +22,8 @@
#include "core/fpdfapi/fpdf_parser/include/cpdf_document.h"
#include "core/fpdfapi/fpdf_parser/include/cpdf_name.h"
#include "core/fpdfapi/fpdf_parser/include/cpdf_number.h"
+#include "core/fpdfapi/fpdf_parser/include/cpdf_stream.h"
+#include "core/fpdfapi/fpdf_parser/include/cpdf_stream_acc.h"
#include "core/fpdfapi/fpdf_parser/include/cpdf_string.h"
#include "core/fpdfapi/fpdf_parser/include/fpdf_parser_decode.h"
#include "core/fpdfapi/include/cpdf_modulemgr.h"
diff --git a/core/fpdfapi/fpdf_page/fpdf_page_pattern.cpp b/core/fpdfapi/fpdf_page/fpdf_page_pattern.cpp
index fbb2c28373..822d06d84c 100644
--- a/core/fpdfapi/fpdf_page/fpdf_page_pattern.cpp
+++ b/core/fpdfapi/fpdf_page/fpdf_page_pattern.cpp
@@ -8,10 +8,13 @@
#include <algorithm>
+#include "core/fpdfapi/fpdf_page/cpdf_meshstream.h"
+#include "core/fpdfapi/fpdf_page/cpdf_shadingpattern.h"
#include "core/fpdfapi/fpdf_page/include/cpdf_form.h"
#include "core/fpdfapi/fpdf_parser/include/cpdf_array.h"
#include "core/fpdfapi/fpdf_parser/include/cpdf_dictionary.h"
#include "core/fpdfapi/fpdf_parser/include/cpdf_document.h"
+#include "core/fpdfapi/fpdf_parser/include/cpdf_stream.h"
namespace {
@@ -22,245 +25,9 @@ const int kCoonsCoordinatePairs = 12;
const int kSingleColorPerPatch = 1;
const int kQuadColorsPerPatch = 4;
-ShadingType ToShadingType(int type) {
- return (type > static_cast<int>(kInvalidShading) &&
- type < static_cast<int>(kMaxShading))
- ? static_cast<ShadingType>(type)
- : kInvalidShading;
-}
-
} // namespace
-CPDF_Pattern::CPDF_Pattern(PatternType type,
- CPDF_Document* pDoc,
- CPDF_Object* pObj,
- const CFX_Matrix* pParentMatrix)
- : m_PatternType(type),
- m_pDocument(pDoc),
- m_pPatternObj(pObj),
- m_bForceClear(FALSE) {
- if (pParentMatrix)
- m_ParentMatrix = *pParentMatrix;
-}
-CPDF_Pattern::~CPDF_Pattern() {}
-CPDF_TilingPattern::CPDF_TilingPattern(CPDF_Document* pDoc,
- CPDF_Object* pPatternObj,
- const CFX_Matrix* parentMatrix)
- : CPDF_Pattern(TILING, pDoc, pPatternObj, parentMatrix) {
- CPDF_Dictionary* pDict = m_pPatternObj->GetDict();
- m_Pattern2Form = pDict->GetMatrixBy("Matrix");
- m_bColored = pDict->GetIntegerBy("PaintType") == 1;
- if (parentMatrix) {
- m_Pattern2Form.Concat(*parentMatrix);
- }
- m_pForm = NULL;
-}
-CPDF_TilingPattern::~CPDF_TilingPattern() {
- delete m_pForm;
- m_pForm = NULL;
-}
-FX_BOOL CPDF_TilingPattern::Load() {
- if (m_pForm)
- return TRUE;
-
- CPDF_Dictionary* pDict = m_pPatternObj->GetDict();
- if (!pDict)
- return FALSE;
-
- m_bColored = pDict->GetIntegerBy("PaintType") == 1;
- m_XStep = (FX_FLOAT)FXSYS_fabs(pDict->GetNumberBy("XStep"));
- m_YStep = (FX_FLOAT)FXSYS_fabs(pDict->GetNumberBy("YStep"));
-
- CPDF_Stream* pStream = m_pPatternObj->AsStream();
- if (!pStream)
- return FALSE;
-
- m_pForm = new CPDF_Form(m_pDocument, NULL, pStream);
- m_pForm->ParseContent(NULL, &m_ParentMatrix, NULL, NULL);
- m_BBox = pDict->GetRectBy("BBox");
- return TRUE;
-}
-CPDF_ShadingPattern::CPDF_ShadingPattern(CPDF_Document* pDoc,
- CPDF_Object* pPatternObj,
- FX_BOOL bShading,
- const CFX_Matrix* parentMatrix)
- : CPDF_Pattern(SHADING,
- pDoc,
- bShading ? nullptr : pPatternObj,
- parentMatrix),
- m_ShadingType(kInvalidShading),
- m_bShadingObj(bShading),
- m_pShadingObj(pPatternObj),
- m_pCS(nullptr),
- m_pCountedCS(nullptr),
- m_nFuncs(0) {
- if (!bShading) {
- CPDF_Dictionary* pDict = m_pPatternObj->GetDict();
- m_Pattern2Form = pDict->GetMatrixBy("Matrix");
- m_pShadingObj = pDict->GetElementValue("Shading");
- if (parentMatrix)
- m_Pattern2Form.Concat(*parentMatrix);
- }
- for (int i = 0; i < FX_ArraySize(m_pFunctions); ++i)
- m_pFunctions[i] = nullptr;
-}
-
-CPDF_ShadingPattern::~CPDF_ShadingPattern() {
- for (int i = 0; i < m_nFuncs; ++i)
- delete m_pFunctions[i];
-
- CPDF_ColorSpace* pCS = m_pCountedCS ? m_pCountedCS->get() : NULL;
- if (pCS && m_pDocument)
- m_pDocument->GetPageData()->ReleaseColorSpace(pCS->GetArray());
-}
-
-FX_BOOL CPDF_ShadingPattern::Load() {
- if (m_ShadingType != kInvalidShading)
- return TRUE;
-
- CPDF_Dictionary* pShadingDict =
- m_pShadingObj ? m_pShadingObj->GetDict() : NULL;
- if (!pShadingDict) {
- return FALSE;
- }
- if (m_nFuncs) {
- for (int i = 0; i < m_nFuncs; i++)
- delete m_pFunctions[i];
- m_nFuncs = 0;
- }
- CPDF_Object* pFunc = pShadingDict->GetElementValue("Function");
- if (pFunc) {
- if (CPDF_Array* pArray = pFunc->AsArray()) {
- m_nFuncs = std::min<int>(pArray->GetCount(), 4);
- for (int i = 0; i < m_nFuncs; i++) {
- m_pFunctions[i] = CPDF_Function::Load(pArray->GetElementValue(i));
- }
- } else {
- m_pFunctions[0] = CPDF_Function::Load(pFunc);
- m_nFuncs = 1;
- }
- }
- CPDF_Object* pCSObj = pShadingDict->GetElementValue("ColorSpace");
- if (!pCSObj) {
- return FALSE;
- }
- CPDF_DocPageData* pDocPageData = m_pDocument->GetPageData();
- m_pCS = pDocPageData->GetColorSpace(pCSObj, NULL);
- if (m_pCS) {
- m_pCountedCS = pDocPageData->FindColorSpacePtr(m_pCS->GetArray());
- }
-
- m_ShadingType = ToShadingType(pShadingDict->GetIntegerBy("ShadingType"));
-
- // We expect to have a stream if our shading type is a mesh.
- if (IsMeshShading() && !ToStream(m_pShadingObj))
- return FALSE;
-
- return TRUE;
-}
-FX_BOOL CPDF_MeshStream::Load(CPDF_Stream* pShadingStream,
- CPDF_Function** pFuncs,
- int nFuncs,
- CPDF_ColorSpace* pCS) {
- m_Stream.LoadAllData(pShadingStream);
- m_BitStream.Init(m_Stream.GetData(), m_Stream.GetSize());
- m_pFuncs = pFuncs;
- m_nFuncs = nFuncs;
- m_pCS = pCS;
- CPDF_Dictionary* pDict = pShadingStream->GetDict();
- m_nCoordBits = pDict->GetIntegerBy("BitsPerCoordinate");
- m_nCompBits = pDict->GetIntegerBy("BitsPerComponent");
- m_nFlagBits = pDict->GetIntegerBy("BitsPerFlag");
- if (!m_nCoordBits || !m_nCompBits) {
- return FALSE;
- }
- FX_DWORD nComps = pCS->CountComponents();
- if (nComps > 8) {
- return FALSE;
- }
- m_nComps = nFuncs ? 1 : nComps;
- if (((int)m_nComps < 0) || m_nComps > 8) {
- return FALSE;
- }
- m_CoordMax = m_nCoordBits == 32 ? -1 : (1 << m_nCoordBits) - 1;
- m_CompMax = (1 << m_nCompBits) - 1;
- CPDF_Array* pDecode = pDict->GetArrayBy("Decode");
- if (!pDecode || pDecode->GetCount() != 4 + m_nComps * 2) {
- return FALSE;
- }
- m_xmin = pDecode->GetNumberAt(0);
- m_xmax = pDecode->GetNumberAt(1);
- m_ymin = pDecode->GetNumberAt(2);
- m_ymax = pDecode->GetNumberAt(3);
- for (FX_DWORD i = 0; i < m_nComps; i++) {
- m_ColorMin[i] = pDecode->GetNumberAt(i * 2 + 4);
- m_ColorMax[i] = pDecode->GetNumberAt(i * 2 + 5);
- }
- return TRUE;
-}
-FX_DWORD CPDF_MeshStream::GetFlag() {
- return m_BitStream.GetBits(m_nFlagBits) & 0x03;
-}
-void CPDF_MeshStream::GetCoords(FX_FLOAT& x, FX_FLOAT& y) {
- if (m_nCoordBits == 32) {
- x = m_xmin + (FX_FLOAT)(m_BitStream.GetBits(m_nCoordBits) *
- (m_xmax - m_xmin) / (double)m_CoordMax);
- y = m_ymin + (FX_FLOAT)(m_BitStream.GetBits(m_nCoordBits) *
- (m_ymax - m_ymin) / (double)m_CoordMax);
- } else {
- x = m_xmin +
- m_BitStream.GetBits(m_nCoordBits) * (m_xmax - m_xmin) / m_CoordMax;
- y = m_ymin +
- m_BitStream.GetBits(m_nCoordBits) * (m_ymax - m_ymin) / m_CoordMax;
- }
-}
-void CPDF_MeshStream::GetColor(FX_FLOAT& r, FX_FLOAT& g, FX_FLOAT& b) {
- FX_DWORD i;
- FX_FLOAT color_value[8];
- for (i = 0; i < m_nComps; i++) {
- color_value[i] = m_ColorMin[i] +
- m_BitStream.GetBits(m_nCompBits) *
- (m_ColorMax[i] - m_ColorMin[i]) / m_CompMax;
- }
- if (m_nFuncs) {
- static const int kMaxResults = 8;
- FX_FLOAT result[kMaxResults];
- int nResults;
- FXSYS_memset(result, 0, sizeof(result));
- for (FX_DWORD i = 0; i < m_nFuncs; i++) {
- if (m_pFuncs[i] && m_pFuncs[i]->CountOutputs() <= kMaxResults) {
- m_pFuncs[i]->Call(color_value, 1, result, nResults);
- }
- }
- m_pCS->GetRGB(result, r, g, b);
- } else {
- m_pCS->GetRGB(color_value, r, g, b);
- }
-}
-FX_DWORD CPDF_MeshStream::GetVertex(CPDF_MeshVertex& vertex,
- CFX_Matrix* pObject2Bitmap) {
- FX_DWORD flag = GetFlag();
- GetCoords(vertex.x, vertex.y);
- pObject2Bitmap->Transform(vertex.x, vertex.y);
- GetColor(vertex.r, vertex.g, vertex.b);
- m_BitStream.ByteAlign();
- return flag;
-}
-FX_BOOL CPDF_MeshStream::GetVertexRow(CPDF_MeshVertex* vertex,
- int count,
- CFX_Matrix* pObject2Bitmap) {
- for (int i = 0; i < count; i++) {
- if (m_BitStream.IsEOF()) {
- return FALSE;
- }
- GetCoords(vertex[i].x, vertex[i].y);
- pObject2Bitmap->Transform(vertex[i].x, vertex[i].y);
- GetColor(vertex[i].r, vertex[i].g, vertex[i].b);
- m_BitStream.ByteAlign();
- }
- return TRUE;
-}
CFX_FloatRect GetShadingBBox(CPDF_Stream* pStream,
ShadingType type,
diff --git a/core/fpdfapi/fpdf_page/include/cpdf_color.h b/core/fpdfapi/fpdf_page/include/cpdf_color.h
new file mode 100644
index 0000000000..9e20684d83
--- /dev/null
+++ b/core/fpdfapi/fpdf_page/include/cpdf_color.h
@@ -0,0 +1,47 @@
+// Copyright 2016 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
+
+#ifndef CORE_FPDFAPI_FPDF_PAGE_INCLUDE_CPDF_COLOR_H_
+#define CORE_FPDFAPI_FPDF_PAGE_INCLUDE_CPDF_COLOR_H_
+
+#include "core/fpdfapi/fpdf_page/include/cpdf_colorspace.h"
+#include "core/fxcrt/include/fx_system.h"
+
+class CPDF_Pattern;
+
+class CPDF_Color {
+ public:
+ CPDF_Color() : m_pCS(nullptr), m_pBuffer(nullptr) {}
+ explicit CPDF_Color(int family);
+ ~CPDF_Color();
+
+ FX_BOOL IsNull() const { return !m_pBuffer; }
+ FX_BOOL IsEqual(const CPDF_Color& other) const;
+ FX_BOOL IsPattern() const {
+ return m_pCS && m_pCS->GetFamily() == PDFCS_PATTERN;
+ }
+
+ void Copy(const CPDF_Color* pSrc);
+
+ void SetColorSpace(CPDF_ColorSpace* pCS);
+ void SetValue(FX_FLOAT* comp);
+ void SetValue(CPDF_Pattern* pPattern, FX_FLOAT* comp, int ncomps);
+
+ FX_BOOL GetRGB(int& R, int& G, int& B) const;
+ CPDF_Pattern* GetPattern() const;
+ CPDF_ColorSpace* GetPatternCS() const;
+ FX_FLOAT* GetPatternColor() const;
+
+ CPDF_ColorSpace* m_pCS;
+
+ protected:
+ void ReleaseBuffer();
+ void ReleaseColorSpace();
+
+ FX_FLOAT* m_pBuffer;
+};
+
+#endif // CORE_FPDFAPI_FPDF_PAGE_INCLUDE_CPDF_COLOR_H_
diff --git a/core/fpdfapi/fpdf_page/include/cpdf_colorspace.h b/core/fpdfapi/fpdf_page/include/cpdf_colorspace.h
new file mode 100644
index 0000000000..afdd71dc4d
--- /dev/null
+++ b/core/fpdfapi/fpdf_page/include/cpdf_colorspace.h
@@ -0,0 +1,122 @@
+// Copyright 2016 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
+
+#ifndef CORE_FPDFAPI_FPDF_PAGE_INCLUDE_CPDF_COLORSPACE_H_
+#define CORE_FPDFAPI_FPDF_PAGE_INCLUDE_CPDF_COLORSPACE_H_
+
+#include "core/fxcrt/include/fx_string.h"
+#include "core/fxcrt/include/fx_system.h"
+
+#define PDFCS_DEVICEGRAY 1
+#define PDFCS_DEVICERGB 2
+#define PDFCS_DEVICECMYK 3
+#define PDFCS_CALGRAY 4
+#define PDFCS_CALRGB 5
+#define PDFCS_LAB 6
+#define PDFCS_ICCBASED 7
+#define PDFCS_SEPARATION 8
+#define PDFCS_DEVICEN 9
+#define PDFCS_INDEXED 10
+#define PDFCS_PATTERN 11
+
+class CPDF_Array;
+class CPDF_Document;
+class CPDF_Object;
+
+class CPDF_ColorSpace {
+ public:
+ static CPDF_ColorSpace* GetStockCS(int Family);
+ static CPDF_ColorSpace* Load(CPDF_Document* pDoc, CPDF_Object* pCSObj);
+ static CPDF_ColorSpace* ColorspaceFromName(const CFX_ByteString& name);
+
+ void ReleaseCS();
+
+ int GetBufSize() const;
+ FX_FLOAT* CreateBuf();
+ void GetDefaultColor(FX_FLOAT* buf) const;
+ FX_DWORD CountComponents() const { return m_nComponents; }
+ int GetFamily() const { return m_Family; }
+ virtual void GetDefaultValue(int iComponent,
+ FX_FLOAT& value,
+ FX_FLOAT& min,
+ FX_FLOAT& max) const {
+ value = 0;
+ min = 0;
+ max = 1.0f;
+ }
+
+ FX_BOOL sRGB() const;
+ virtual FX_BOOL GetRGB(FX_FLOAT* pBuf,
+ FX_FLOAT& R,
+ FX_FLOAT& G,
+ FX_FLOAT& B) const = 0;
+ virtual FX_BOOL SetRGB(FX_FLOAT* pBuf,
+ FX_FLOAT R,
+ FX_FLOAT G,
+ FX_FLOAT B) const {
+ return FALSE;
+ }
+
+ FX_BOOL GetCMYK(FX_FLOAT* pBuf,
+ FX_FLOAT& c,
+ FX_FLOAT& m,
+ FX_FLOAT& y,
+ FX_FLOAT& k) const;
+ FX_BOOL SetCMYK(FX_FLOAT* pBuf,
+ FX_FLOAT c,
+ FX_FLOAT m,
+ FX_FLOAT y,
+ FX_FLOAT k) const;
+
+ virtual void TranslateImageLine(uint8_t* dest_buf,
+ const uint8_t* src_buf,
+ int pixels,
+ int image_width,
+ int image_height,
+ FX_BOOL bTransMask = FALSE) const;
+
+ CPDF_Array*& GetArray() { return m_pArray; }
+ int GetMaxIndex() const;
+ virtual CPDF_ColorSpace* GetBaseCS() const { return NULL; }
+
+ virtual void EnableStdConversion(FX_BOOL bEnabled);
+
+ CPDF_Document* const m_pDocument;
+
+ protected:
+ CPDF_ColorSpace(CPDF_Document* pDoc, int family, FX_DWORD nComponents)
+ : m_pDocument(pDoc),
+ m_Family(family),
+ m_nComponents(nComponents),
+ m_pArray(nullptr),
+ m_dwStdConversion(0) {}
+ virtual ~CPDF_ColorSpace() {}
+
+ virtual FX_BOOL v_Load(CPDF_Document* pDoc, CPDF_Array* pArray) {
+ return TRUE;
+ }
+ virtual FX_BOOL v_GetCMYK(FX_FLOAT* pBuf,
+ FX_FLOAT& c,
+ FX_FLOAT& m,
+ FX_FLOAT& y,
+ FX_FLOAT& k) const {
+ return FALSE;
+ }
+ virtual FX_BOOL v_SetCMYK(FX_FLOAT* pBuf,
+ FX_FLOAT c,
+ FX_FLOAT m,
+ FX_FLOAT y,
+ FX_FLOAT k) const {
+ return FALSE;
+ }
+
+ int m_Family;
+ FX_DWORD m_nComponents;
+ CPDF_Array* m_pArray;
+ FX_DWORD m_dwStdConversion;
+};
+
+#endif // CORE_FPDFAPI_FPDF_PAGE_INCLUDE_CPDF_COLORSPACE_H_
diff --git a/core/fpdfapi/fpdf_page/include/cpdf_formobject.h b/core/fpdfapi/fpdf_page/include/cpdf_formobject.h
index 234cd73328..b12d68c312 100644
--- a/core/fpdfapi/fpdf_page/include/cpdf_formobject.h
+++ b/core/fpdfapi/fpdf_page/include/cpdf_formobject.h
@@ -10,7 +10,7 @@
#include "core/fpdfapi/fpdf_page/include/cpdf_pageobject.h"
#include "core/fxcrt/include/fx_coordinates.h"
-class Form;
+class CPDF_Form;
class CPDF_FormObject : public CPDF_PageObject {
public:
diff --git a/core/fpdfapi/fpdf_page/include/cpdf_image.h b/core/fpdfapi/fpdf_page/include/cpdf_image.h
new file mode 100644
index 0000000000..048b86d171
--- /dev/null
+++ b/core/fpdfapi/fpdf_page/include/cpdf_image.h
@@ -0,0 +1,98 @@
+// Copyright 2016 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
+
+#ifndef CORE_FPDFAPI_FPDF_PAGE_INCLUDE_CPDF_IMAGE_H_
+#define CORE_FPDFAPI_FPDF_PAGE_INCLUDE_CPDF_IMAGE_H_
+
+#include "core/fpdfapi/fpdf_parser/include/cpdf_stream.h"
+#include "core/fxcrt/include/fx_system.h"
+
+#define PDF_IMAGE_NO_COMPRESS 0x0000
+#define PDF_IMAGE_LOSSY_COMPRESS 0x0001
+#define PDF_IMAGE_LOSSLESS_COMPRESS 0x0002
+#define PDF_IMAGE_MASK_LOSSY_COMPRESS 0x0004
+#define PDF_IMAGE_MASK_LOSSLESS_COMPRESS 0x0008
+
+class CFX_DIBitmap;
+class CFX_DIBSource;
+class CPDF_Dictionay;
+class CPDF_Document;
+class CPDF_Page;
+class IFX_FileRead;
+class IFX_FileWrite;
+class IFX_Pause;
+
+class CPDF_Image {
+ public:
+ explicit CPDF_Image(CPDF_Document* pDoc);
+ ~CPDF_Image();
+
+ FX_BOOL LoadImageF(CPDF_Stream* pImageStream, FX_BOOL bInline);
+
+ void Release();
+
+ CPDF_Image* Clone();
+
+ CPDF_Dictionary* GetInlineDict() const { return m_pInlineDict; }
+ CPDF_Stream* GetStream() const { return m_pStream; }
+ CPDF_Dictionary* GetDict() const {
+ return m_pStream ? m_pStream->GetDict() : NULL;
+ }
+ CPDF_Dictionary* GetOC() const { return m_pOC; }
+ CPDF_Document* GetDocument() const { return m_pDocument; }
+
+ int32_t GetPixelHeight() const { return m_Height; }
+ int32_t GetPixelWidth() const { return m_Width; }
+
+ FX_BOOL IsInline() { return m_bInline; }
+ FX_BOOL IsMask() const { return m_bIsMask; }
+ FX_BOOL IsInterpol() const { return m_bInterpolate; }
+
+ CFX_DIBSource* LoadDIBSource(CFX_DIBSource** ppMask = NULL,
+ FX_DWORD* pMatteColor = NULL,
+ FX_BOOL bStdCS = FALSE,
+ FX_DWORD GroupFamily = 0,
+ FX_BOOL bLoadMask = FALSE) const;
+
+ void SetInlineDict(CPDF_Dictionary* pDict) { m_pInlineDict = pDict; }
+ void SetImage(const CFX_DIBitmap* pDIBitmap,
+ int32_t iCompress,
+ IFX_FileWrite* pFileWrite = NULL,
+ IFX_FileRead* pFileRead = NULL,
+ const CFX_DIBitmap* pMask = NULL);
+ void SetJpegImage(uint8_t* pImageData, FX_DWORD size);
+ void SetJpegImage(IFX_FileRead* pFile);
+
+ void ResetCache(CPDF_Page* pPage, const CFX_DIBitmap* pDIBitmap);
+
+ FX_BOOL StartLoadDIBSource(CPDF_Dictionary* pFormResource,
+ CPDF_Dictionary* pPageResource,
+ FX_BOOL bStdCS = FALSE,
+ FX_DWORD GroupFamily = 0,
+ FX_BOOL bLoadMask = FALSE);
+ FX_BOOL Continue(IFX_Pause* pPause);
+ CFX_DIBSource* DetachBitmap();
+ CFX_DIBSource* DetachMask();
+
+ CFX_DIBSource* m_pDIBSource;
+ CFX_DIBSource* m_pMask;
+ FX_DWORD m_MatteColor;
+
+ private:
+ CPDF_Dictionary* InitJPEG(uint8_t* pData, FX_DWORD size);
+
+ CPDF_Stream* m_pStream;
+ FX_BOOL m_bInline;
+ CPDF_Dictionary* m_pInlineDict;
+ int32_t m_Height;
+ int32_t m_Width;
+ FX_BOOL m_bIsMask;
+ FX_BOOL m_bInterpolate;
+ CPDF_Document* m_pDocument;
+ CPDF_Dictionary* m_pOC;
+};
+
+#endif // CORE_FPDFAPI_FPDF_PAGE_INCLUDE_CPDF_IMAGE_H_
diff --git a/core/fpdfapi/fpdf_page/pageint.h b/core/fpdfapi/fpdf_page/pageint.h
index e6a150072e..d254477dc3 100644
--- a/core/fpdfapi/fpdf_page/pageint.h
+++ b/core/fpdfapi/fpdf_page/pageint.h
@@ -13,9 +13,9 @@
#include <vector>
#include "core/fpdfapi/fpdf_page/cpdf_contentmark.h"
+#include "core/fpdfapi/fpdf_page/cpdf_countedobject.h"
#include "core/fpdfapi/fpdf_page/cpdf_parseoptions.h"
#include "core/fpdfapi/fpdf_page/include/cpdf_pageobjectholder.h"
-#include "core/include/fpdfapi/fpdf_resource.h"
#include "core/include/fxge/fx_ge.h"
class CPDF_AllStates;
@@ -26,6 +26,7 @@ class CPDF_Form;
class CPDF_IccProfile;
class CPDF_Image;
class CPDF_ImageObject;
+class CPDF_Page;
class CPDF_ParseOptions;
class CPDF_Pattern;
class CPDF_StreamAcc;
@@ -438,10 +439,7 @@ class CPDF_DeviceCS : public CPDF_ColorSpace {
class CPDF_PatternCS : public CPDF_ColorSpace {
public:
- explicit CPDF_PatternCS(CPDF_Document* pDoc)
- : CPDF_ColorSpace(pDoc, PDFCS_PATTERN, 1),
- m_pBaseCS(nullptr),
- m_pCountedBaseCS(nullptr) {}
+ explicit CPDF_PatternCS(CPDF_Document* pDoc);
~CPDF_PatternCS() override;
FX_BOOL v_Load(CPDF_Document* pDoc, CPDF_Array* pArray) override;
FX_BOOL GetRGB(FX_FLOAT* pBuf,
@@ -455,6 +453,14 @@ class CPDF_PatternCS : public CPDF_ColorSpace {
CPDF_CountedColorSpace* m_pCountedBaseCS;
};
+#define MAX_PATTERN_COLORCOMPS 16
+struct PatternValue {
+ CPDF_Pattern* m_pPattern;
+ CPDF_CountedPattern* m_pCountedPattern;
+ int m_nComps;
+ FX_FLOAT m_Comps[MAX_PATTERN_COLORCOMPS];
+};
+
void PDF_ReplaceAbbr(CPDF_Object* pObj);
bool IsPathOperator(const uint8_t* buf, size_t len);