Index: core/fpdfapi/fpdf_page/fpdf_page_doc.cpp |
diff --git a/core/fpdfapi/fpdf_page/fpdf_page_doc.cpp b/core/fpdfapi/fpdf_page/fpdf_page_doc.cpp |
deleted file mode 100644 |
index 4b1eaa30647404d82f0d0b4888fe9338c18a2a21..0000000000000000000000000000000000000000 |
--- a/core/fpdfapi/fpdf_page/fpdf_page_doc.cpp |
+++ /dev/null |
@@ -1,554 +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 <algorithm> |
-#include <set> |
- |
-#include "core/fdrm/crypto/fx_crypt.h" |
-#include "core/fpdfapi/cpdf_modulemgr.h" |
-#include "core/fpdfapi/font/cpdf_type1font.h" |
-#include "core/fpdfapi/font/font_int.h" |
-#include "core/fpdfapi/fpdf_page/cpdf_image.h" |
-#include "core/fpdfapi/fpdf_page/cpdf_pagemodule.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_parser/cpdf_array.h" |
-#include "core/fpdfapi/fpdf_parser/cpdf_dictionary.h" |
-#include "core/fpdfapi/fpdf_parser/cpdf_document.h" |
-#include "core/fpdfapi/fpdf_parser/cpdf_stream_acc.h" |
-#include "third_party/base/stl_util.h" |
- |
-void CPDF_ModuleMgr::InitPageModule() { |
- m_pPageModule.reset(new CPDF_PageModule); |
-} |
- |
-CPDF_DocPageData::CPDF_DocPageData(CPDF_Document* pPDFDoc) |
- : m_pPDFDoc(pPDFDoc), m_bForceClear(FALSE) {} |
- |
-CPDF_DocPageData::~CPDF_DocPageData() { |
- Clear(FALSE); |
- Clear(TRUE); |
- |
- for (auto& it : m_PatternMap) |
- delete it.second; |
- m_PatternMap.clear(); |
- |
- for (auto& it : m_FontMap) |
- delete it.second; |
- m_FontMap.clear(); |
- |
- for (auto& it : m_ColorSpaceMap) |
- delete it.second; |
- m_ColorSpaceMap.clear(); |
-} |
- |
-void CPDF_DocPageData::Clear(FX_BOOL bForceRelease) { |
- m_bForceClear = bForceRelease; |
- |
- for (auto& it : m_PatternMap) { |
- CPDF_CountedPattern* ptData = it.second; |
- if (!ptData->get()) |
- continue; |
- |
- if (bForceRelease || ptData->use_count() < 2) |
- ptData->clear(); |
- } |
- |
- for (auto& it : m_FontMap) { |
- CPDF_CountedFont* fontData = it.second; |
- if (!fontData->get()) |
- continue; |
- |
- if (bForceRelease || fontData->use_count() < 2) { |
- fontData->clear(); |
- } |
- } |
- |
- for (auto& it : m_ColorSpaceMap) { |
- CPDF_CountedColorSpace* csData = it.second; |
- if (!csData->get()) |
- continue; |
- |
- if (bForceRelease || csData->use_count() < 2) { |
- csData->get()->Release(); |
- csData->reset(nullptr); |
- } |
- } |
- |
- for (auto it = m_IccProfileMap.begin(); it != m_IccProfileMap.end();) { |
- auto curr_it = it++; |
- CPDF_CountedIccProfile* ipData = curr_it->second; |
- if (!ipData->get()) |
- continue; |
- |
- if (bForceRelease || ipData->use_count() < 2) { |
- for (auto hash_it = m_HashProfileMap.begin(); |
- hash_it != m_HashProfileMap.end(); ++hash_it) { |
- if (curr_it->first == hash_it->second) { |
- m_HashProfileMap.erase(hash_it); |
- break; |
- } |
- } |
- delete ipData->get(); |
- delete ipData; |
- m_IccProfileMap.erase(curr_it); |
- } |
- } |
- |
- for (auto it = m_FontFileMap.begin(); it != m_FontFileMap.end();) { |
- auto curr_it = it++; |
- CPDF_CountedStreamAcc* pCountedFont = curr_it->second; |
- if (!pCountedFont->get()) |
- continue; |
- |
- if (bForceRelease || pCountedFont->use_count() < 2) { |
- delete pCountedFont->get(); |
- delete pCountedFont; |
- m_FontFileMap.erase(curr_it); |
- } |
- } |
- |
- for (auto it = m_ImageMap.begin(); it != m_ImageMap.end();) { |
- auto curr_it = it++; |
- CPDF_CountedImage* pCountedImage = curr_it->second; |
- if (!pCountedImage->get()) |
- continue; |
- |
- if (bForceRelease || pCountedImage->use_count() < 2) { |
- delete pCountedImage->get(); |
- delete pCountedImage; |
- m_ImageMap.erase(curr_it); |
- } |
- } |
-} |
- |
-CPDF_Font* CPDF_DocPageData::GetFont(CPDF_Dictionary* pFontDict, |
- FX_BOOL findOnly) { |
- if (!pFontDict) |
- return nullptr; |
- |
- CPDF_CountedFont* pFontData = nullptr; |
- auto it = m_FontMap.find(pFontDict); |
- if (it != m_FontMap.end()) { |
- pFontData = it->second; |
- if (pFontData->get()) { |
- return pFontData->AddRef(); |
- } |
- } |
- |
- if (findOnly) |
- return nullptr; |
- |
- std::unique_ptr<CPDF_Font> pFont = CPDF_Font::Create(m_pPDFDoc, pFontDict); |
- if (!pFont) |
- return nullptr; |
- |
- if (pFontData) { |
- pFontData->reset(pFont.release()); |
- } else { |
- pFontData = new CPDF_CountedFont(pFont.release()); |
- m_FontMap[pFontDict] = pFontData; |
- } |
- return pFontData->AddRef(); |
-} |
- |
-CPDF_Font* CPDF_DocPageData::GetStandardFont(const CFX_ByteString& fontName, |
- CPDF_FontEncoding* pEncoding) { |
- if (fontName.IsEmpty()) |
- return nullptr; |
- |
- for (auto& it : m_FontMap) { |
- CPDF_CountedFont* fontData = it.second; |
- CPDF_Font* pFont = fontData->get(); |
- if (!pFont) |
- continue; |
- if (pFont->GetBaseFont() != fontName) |
- continue; |
- if (pFont->IsEmbedded()) |
- continue; |
- if (!pFont->IsType1Font()) |
- continue; |
- if (pFont->GetFontDict()->KeyExist("Widths")) |
- continue; |
- |
- CPDF_Type1Font* pT1Font = pFont->AsType1Font(); |
- if (pEncoding && !pT1Font->GetEncoding()->IsIdentical(pEncoding)) |
- continue; |
- |
- return fontData->AddRef(); |
- } |
- |
- CPDF_Dictionary* pDict = new CPDF_Dictionary(m_pPDFDoc->GetByteStringPool()); |
- pDict->SetNameFor("Type", "Font"); |
- pDict->SetNameFor("Subtype", "Type1"); |
- pDict->SetNameFor("BaseFont", fontName); |
- if (pEncoding) { |
- pDict->SetFor("Encoding", |
- pEncoding->Realize(m_pPDFDoc->GetByteStringPool())); |
- } |
- m_pPDFDoc->AddIndirectObject(pDict); |
- std::unique_ptr<CPDF_Font> pFont = CPDF_Font::Create(m_pPDFDoc, pDict); |
- if (!pFont) |
- return nullptr; |
- |
- CPDF_CountedFont* fontData = new CPDF_CountedFont(pFont.release()); |
- m_FontMap[pDict] = fontData; |
- return fontData->AddRef(); |
-} |
- |
-void CPDF_DocPageData::ReleaseFont(const CPDF_Dictionary* pFontDict) { |
- if (!pFontDict) |
- return; |
- |
- auto it = m_FontMap.find(pFontDict); |
- if (it == m_FontMap.end()) |
- return; |
- |
- CPDF_CountedFont* pFontData = it->second; |
- if (!pFontData->get()) |
- return; |
- |
- pFontData->RemoveRef(); |
- if (pFontData->use_count() > 1) |
- return; |
- |
- // We have font data only in m_FontMap cache. Clean it. |
- pFontData->clear(); |
-} |
- |
-CPDF_ColorSpace* CPDF_DocPageData::GetColorSpace( |
- CPDF_Object* pCSObj, |
- const CPDF_Dictionary* pResources) { |
- std::set<CPDF_Object*> visited; |
- return GetColorSpaceImpl(pCSObj, pResources, &visited); |
-} |
- |
-CPDF_ColorSpace* CPDF_DocPageData::GetColorSpaceImpl( |
- CPDF_Object* pCSObj, |
- const CPDF_Dictionary* pResources, |
- std::set<CPDF_Object*>* pVisited) { |
- if (!pCSObj) |
- return nullptr; |
- |
- if (pdfium::ContainsKey(*pVisited, pCSObj)) |
- return nullptr; |
- |
- if (pCSObj->IsName()) { |
- CFX_ByteString name = pCSObj->GetString(); |
- CPDF_ColorSpace* pCS = CPDF_ColorSpace::ColorspaceFromName(name); |
- if (!pCS && pResources) { |
- CPDF_Dictionary* pList = pResources->GetDictFor("ColorSpace"); |
- if (pList) { |
- pdfium::ScopedSetInsertion<CPDF_Object*> insertion(pVisited, pCSObj); |
- return GetColorSpaceImpl(pList->GetDirectObjectFor(name), nullptr, |
- pVisited); |
- } |
- } |
- if (!pCS || !pResources) |
- return pCS; |
- |
- CPDF_Dictionary* pColorSpaces = pResources->GetDictFor("ColorSpace"); |
- if (!pColorSpaces) |
- return pCS; |
- |
- CPDF_Object* pDefaultCS = nullptr; |
- switch (pCS->GetFamily()) { |
- case PDFCS_DEVICERGB: |
- pDefaultCS = pColorSpaces->GetDirectObjectFor("DefaultRGB"); |
- break; |
- case PDFCS_DEVICEGRAY: |
- pDefaultCS = pColorSpaces->GetDirectObjectFor("DefaultGray"); |
- break; |
- case PDFCS_DEVICECMYK: |
- pDefaultCS = pColorSpaces->GetDirectObjectFor("DefaultCMYK"); |
- break; |
- } |
- if (!pDefaultCS) |
- return pCS; |
- |
- pdfium::ScopedSetInsertion<CPDF_Object*> insertion(pVisited, pCSObj); |
- return GetColorSpaceImpl(pDefaultCS, nullptr, pVisited); |
- } |
- |
- CPDF_Array* pArray = pCSObj->AsArray(); |
- if (!pArray || pArray->IsEmpty()) |
- return nullptr; |
- |
- if (pArray->GetCount() == 1) { |
- pdfium::ScopedSetInsertion<CPDF_Object*> insertion(pVisited, pCSObj); |
- return GetColorSpaceImpl(pArray->GetDirectObjectAt(0), pResources, |
- pVisited); |
- } |
- |
- CPDF_CountedColorSpace* csData = nullptr; |
- auto it = m_ColorSpaceMap.find(pCSObj); |
- if (it != m_ColorSpaceMap.end()) { |
- csData = it->second; |
- if (csData->get()) { |
- return csData->AddRef(); |
- } |
- } |
- |
- std::unique_ptr<CPDF_ColorSpace> pCS = |
- CPDF_ColorSpace::Load(m_pPDFDoc, pArray); |
- if (!pCS) |
- return nullptr; |
- |
- if (!csData) { |
- csData = new CPDF_CountedColorSpace(pCS.release()); |
- m_ColorSpaceMap[pCSObj] = csData; |
- } else { |
- csData->reset(pCS.release()); |
- } |
- return csData->AddRef(); |
-} |
- |
-CPDF_ColorSpace* CPDF_DocPageData::GetCopiedColorSpace(CPDF_Object* pCSObj) { |
- if (!pCSObj) |
- return nullptr; |
- |
- auto it = m_ColorSpaceMap.find(pCSObj); |
- if (it != m_ColorSpaceMap.end()) |
- return it->second->AddRef(); |
- |
- return nullptr; |
-} |
- |
-void CPDF_DocPageData::ReleaseColorSpace(const CPDF_Object* pColorSpace) { |
- if (!pColorSpace) |
- return; |
- |
- auto it = m_ColorSpaceMap.find(pColorSpace); |
- if (it == m_ColorSpaceMap.end()) |
- return; |
- |
- CPDF_CountedColorSpace* pCountedColorSpace = it->second; |
- if (!pCountedColorSpace->get()) |
- return; |
- |
- pCountedColorSpace->RemoveRef(); |
- if (pCountedColorSpace->use_count() > 1) |
- return; |
- |
- // We have item only in m_ColorSpaceMap cache. Clean it. |
- pCountedColorSpace->get()->Release(); |
- pCountedColorSpace->reset(nullptr); |
-} |
- |
-CPDF_Pattern* CPDF_DocPageData::GetPattern(CPDF_Object* pPatternObj, |
- FX_BOOL bShading, |
- const CFX_Matrix& matrix) { |
- if (!pPatternObj) |
- return nullptr; |
- |
- CPDF_CountedPattern* ptData = nullptr; |
- auto it = m_PatternMap.find(pPatternObj); |
- if (it != m_PatternMap.end()) { |
- ptData = it->second; |
- if (ptData->get()) { |
- return ptData->AddRef(); |
- } |
- } |
- CPDF_Pattern* pPattern = nullptr; |
- if (bShading) { |
- pPattern = new CPDF_ShadingPattern(m_pPDFDoc, pPatternObj, TRUE, matrix); |
- } else { |
- CPDF_Dictionary* pDict = pPatternObj ? pPatternObj->GetDict() : nullptr; |
- if (pDict) { |
- int type = pDict->GetIntegerFor("PatternType"); |
- if (type == CPDF_Pattern::TILING) { |
- pPattern = new CPDF_TilingPattern(m_pPDFDoc, pPatternObj, matrix); |
- } else if (type == CPDF_Pattern::SHADING) { |
- pPattern = |
- new CPDF_ShadingPattern(m_pPDFDoc, pPatternObj, FALSE, matrix); |
- } |
- } |
- } |
- if (!pPattern) |
- return nullptr; |
- |
- if (!ptData) { |
- ptData = new CPDF_CountedPattern(pPattern); |
- m_PatternMap[pPatternObj] = ptData; |
- } else { |
- ptData->reset(pPattern); |
- } |
- return ptData->AddRef(); |
-} |
- |
-void CPDF_DocPageData::ReleasePattern(const CPDF_Object* pPatternObj) { |
- if (!pPatternObj) |
- return; |
- |
- auto it = m_PatternMap.find(pPatternObj); |
- if (it == m_PatternMap.end()) |
- return; |
- |
- CPDF_CountedPattern* pPattern = it->second; |
- if (!pPattern->get()) |
- return; |
- |
- pPattern->RemoveRef(); |
- if (pPattern->use_count() > 1) |
- return; |
- |
- // We have item only in m_PatternMap cache. Clean it. |
- pPattern->clear(); |
-} |
- |
-CPDF_Image* CPDF_DocPageData::GetImage(CPDF_Object* pImageStream) { |
- if (!pImageStream) |
- return nullptr; |
- |
- const uint32_t dwImageObjNum = pImageStream->GetObjNum(); |
- auto it = m_ImageMap.find(dwImageObjNum); |
- if (it != m_ImageMap.end()) |
- return it->second->AddRef(); |
- |
- CPDF_CountedImage* pCountedImage = new CPDF_CountedImage( |
- new CPDF_Image(m_pPDFDoc, pImageStream->AsStream(), false)); |
- m_ImageMap[dwImageObjNum] = pCountedImage; |
- return pCountedImage->AddRef(); |
-} |
- |
-void CPDF_DocPageData::ReleaseImage(const CPDF_Object* pImageStream) { |
- if (!pImageStream) |
- return; |
- |
- uint32_t dwObjNum = pImageStream->GetObjNum(); |
- if (!dwObjNum) |
- return; |
- |
- auto it = m_ImageMap.find(dwObjNum); |
- if (it == m_ImageMap.end()) |
- return; |
- |
- CPDF_CountedImage* pCountedImage = it->second; |
- if (!pCountedImage) |
- return; |
- |
- pCountedImage->RemoveRef(); |
- if (pCountedImage->use_count() > 1) |
- return; |
- |
- // We have item only in m_ImageMap cache. Clean it. |
- delete pCountedImage->get(); |
- delete pCountedImage; |
- m_ImageMap.erase(it); |
-} |
- |
-CPDF_IccProfile* CPDF_DocPageData::GetIccProfile( |
- CPDF_Stream* pIccProfileStream) { |
- if (!pIccProfileStream) |
- return nullptr; |
- |
- auto it = m_IccProfileMap.find(pIccProfileStream); |
- if (it != m_IccProfileMap.end()) |
- return it->second->AddRef(); |
- |
- CPDF_StreamAcc stream; |
- stream.LoadAllData(pIccProfileStream, FALSE); |
- uint8_t digest[20]; |
- CRYPT_SHA1Generate(stream.GetData(), stream.GetSize(), digest); |
- CFX_ByteString bsDigest(digest, 20); |
- auto hash_it = m_HashProfileMap.find(bsDigest); |
- if (hash_it != m_HashProfileMap.end()) { |
- auto it_copied_stream = m_IccProfileMap.find(hash_it->second); |
- if (it_copied_stream != m_IccProfileMap.end()) |
- return it_copied_stream->second->AddRef(); |
- } |
- CPDF_IccProfile* pProfile = |
- new CPDF_IccProfile(stream.GetData(), stream.GetSize()); |
- CPDF_CountedIccProfile* ipData = new CPDF_CountedIccProfile(pProfile); |
- m_IccProfileMap[pIccProfileStream] = ipData; |
- m_HashProfileMap[bsDigest] = pIccProfileStream; |
- return ipData->AddRef(); |
-} |
- |
-void CPDF_DocPageData::ReleaseIccProfile(const CPDF_IccProfile* pIccProfile) { |
- ASSERT(pIccProfile); |
- |
- for (auto it = m_IccProfileMap.begin(); it != m_IccProfileMap.end(); ++it) { |
- CPDF_CountedIccProfile* profile = it->second; |
- if (profile->get() != pIccProfile) |
- continue; |
- |
- profile->RemoveRef(); |
- if (profile->use_count() > 1) |
- continue; |
- // We have item only in m_IccProfileMap cache. Clean it. |
- delete profile->get(); |
- delete profile; |
- m_IccProfileMap.erase(it); |
- return; |
- } |
-} |
- |
-CPDF_StreamAcc* CPDF_DocPageData::GetFontFileStreamAcc( |
- CPDF_Stream* pFontStream) { |
- ASSERT(pFontStream); |
- |
- auto it = m_FontFileMap.find(pFontStream); |
- if (it != m_FontFileMap.end()) |
- return it->second->AddRef(); |
- |
- CPDF_Dictionary* pFontDict = pFontStream->GetDict(); |
- int32_t org_size = pFontDict->GetIntegerFor("Length1") + |
- pFontDict->GetIntegerFor("Length2") + |
- pFontDict->GetIntegerFor("Length3"); |
- org_size = std::max(org_size, 0); |
- |
- CPDF_StreamAcc* pFontFile = new CPDF_StreamAcc; |
- pFontFile->LoadAllData(pFontStream, FALSE, org_size); |
- |
- CPDF_CountedStreamAcc* pCountedFont = new CPDF_CountedStreamAcc(pFontFile); |
- m_FontFileMap[pFontStream] = pCountedFont; |
- return pCountedFont->AddRef(); |
-} |
- |
-void CPDF_DocPageData::ReleaseFontFileStreamAcc( |
- const CPDF_Stream* pFontStream) { |
- if (!pFontStream) |
- return; |
- |
- auto it = m_FontFileMap.find(pFontStream); |
- if (it == m_FontFileMap.end()) |
- return; |
- |
- CPDF_CountedStreamAcc* pCountedStream = it->second; |
- if (!pCountedStream) |
- return; |
- |
- pCountedStream->RemoveRef(); |
- if (pCountedStream->use_count() > 1) |
- return; |
- |
- // We have item only in m_FontFileMap cache. Clean it. |
- delete pCountedStream->get(); |
- delete pCountedStream; |
- m_FontFileMap.erase(it); |
-} |
- |
-CPDF_CountedColorSpace* CPDF_DocPageData::FindColorSpacePtr( |
- CPDF_Object* pCSObj) const { |
- if (!pCSObj) |
- return nullptr; |
- |
- auto it = m_ColorSpaceMap.find(pCSObj); |
- return it != m_ColorSpaceMap.end() ? it->second : nullptr; |
-} |
- |
-CPDF_CountedPattern* CPDF_DocPageData::FindPatternPtr( |
- CPDF_Object* pPatternObj) const { |
- if (!pPatternObj) |
- return nullptr; |
- |
- auto it = m_PatternMap.find(pPatternObj); |
- return it != m_PatternMap.end() ? it->second : nullptr; |
-} |