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Unified Diff: core/fpdfapi/fpdf_page/fpdf_page_doc.cpp

Issue 2386423004: Move core/fpdfapi/fpdf_page to core/fpdfapi/page (Closed)
Patch Set: Rebase to master Created 4 years, 2 months ago
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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;
-}
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