From 22f429fc4875027b10ab071102c9ac8a88abf825 Mon Sep 17 00:00:00 2001 From: Lei Zhang Date: Wed, 10 Jun 2015 11:32:54 -0700 Subject: Convert CPDF_ColorSpaceMap to std::map. R=tsepez@chromium.org Review URL: https://codereview.chromium.org/1154963003. --- core/src/fpdfapi/fpdf_page/fpdf_page_doc.cpp | 121 +++++++++++++-------------- core/src/fpdfapi/fpdf_page/pageint.h | 4 +- 2 files changed, 59 insertions(+), 66 deletions(-) (limited to 'core/src/fpdfapi/fpdf_page') diff --git a/core/src/fpdfapi/fpdf_page/fpdf_page_doc.cpp b/core/src/fpdfapi/fpdf_page/fpdf_page_doc.cpp index be54747285..81cfd00fe3 100644 --- a/core/src/fpdfapi/fpdf_page/fpdf_page_doc.cpp +++ b/core/src/fpdfapi/fpdf_page/fpdf_page_doc.cpp @@ -126,14 +126,12 @@ void CPDF_Document::RemoveColorSpaceFromPageData(CPDF_Object* pCSObj) } CPDF_DocPageData::CPDF_DocPageData(CPDF_Document *pPDFDoc) : m_pPDFDoc(pPDFDoc), - m_ColorSpaceMap(), m_PatternMap(), m_ImageMap(), m_IccProfileMap(), m_FontFileMap(), m_bForceClear(FALSE) { - m_ColorSpaceMap.InitHashTable(32); m_PatternMap.InitHashTable(16); m_ImageMap.InitHashTable(64); m_IccProfileMap.InitHashTable(16); @@ -158,15 +156,9 @@ CPDF_DocPageData::~CPDF_DocPageData() delete it.second; m_FontMap.clear(); - pos = m_ColorSpaceMap.GetStartPosition(); - while (pos) - { - CPDF_Object* csKey; - CPDF_CountedObject* csData; - m_ColorSpaceMap.GetNextAssoc(pos, csKey, csData); - delete csData; - } - m_ColorSpaceMap.RemoveAll(); + for (auto& it : m_ColorSpaceMap) + delete it.second; + m_ColorSpaceMap.clear(); } void CPDF_DocPageData::Clear(FX_BOOL bForceRelease) @@ -199,20 +191,17 @@ void CPDF_DocPageData::Clear(FX_BOOL bForceRelease) } } - pos = m_ColorSpaceMap.GetStartPosition(); - while (pos) { - CPDF_Object* csKey; - CPDF_CountedObject* csData; - m_ColorSpaceMap.GetNextAssoc(pos, csKey, csData); - if (!csData->m_Obj) { + for (auto& it : m_ColorSpaceMap) { + CPDF_CountedColorSpace* csData = it.second; + if (!csData->m_Obj) continue; - } + if (bForceRelease || csData->m_nCount < 2) { - // csData->m_Obj is deleted in the function of ReleaseCS(). csData->m_Obj->ReleaseCS(); - csData->m_Obj = NULL; + csData->m_Obj = nullptr; } } + pos = m_IccProfileMap.GetStartPosition(); while (pos) { CPDF_Stream* ipKey; @@ -415,69 +404,71 @@ CPDF_ColorSpace* CPDF_DocPageData::GetColorSpace(CPDF_Object* pCSObj, CPDF_Dicti } return GetColorSpace(pDefaultCS, NULL); } - if (pCSObj->GetType() != PDFOBJ_ARRAY) { - return NULL; - } + + if (pCSObj->GetType() != PDFOBJ_ARRAY) + return nullptr; CPDF_Array* pArray = (CPDF_Array*)pCSObj; - if (pArray->GetCount() == 0) { - return NULL; - } - if (pArray->GetCount() == 1) { + if (pArray->GetCount() == 0) + return nullptr; + if (pArray->GetCount() == 1) return GetColorSpace(pArray->GetElementValue(0), pResources); - } - CPDF_CountedObject* csData = NULL; - if (m_ColorSpaceMap.Lookup(pCSObj, csData)) { + + CPDF_CountedColorSpace* csData = nullptr; + auto it = m_ColorSpaceMap.find(pCSObj); + if (it != m_ColorSpaceMap.end()) { + csData = it->second; if (csData->m_Obj) { csData->m_nCount++; return csData->m_Obj; } } - FX_BOOL bNew = FALSE; - if (!csData) { - csData = new CPDF_CountedObject; - bNew = TRUE; - } + CPDF_ColorSpace* pCS = CPDF_ColorSpace::Load(m_pPDFDoc, pArray); - if (!pCS) { - if (bNew) { - delete csData; - } - return NULL; + if (!pCS) + return nullptr; + + if (!csData) { + csData = new CPDF_CountedColorSpace; + m_ColorSpaceMap[pCSObj] = csData; } csData->m_nCount = 2; csData->m_Obj = pCS; - m_ColorSpaceMap.SetAt(pCSObj, csData); return pCS; } + CPDF_ColorSpace* CPDF_DocPageData::GetCopiedColorSpace(CPDF_Object* pCSObj) { - if (!pCSObj) { - return NULL; - } - CPDF_CountedObject* csData; - if (!m_ColorSpaceMap.Lookup(pCSObj, csData)) { - return NULL; - } - if (!csData->m_Obj) { - return NULL; - } - csData->m_nCount ++; + if (!pCSObj) + return nullptr; + + auto it = m_ColorSpaceMap.find(pCSObj); + if (it == m_ColorSpaceMap.end()) + return nullptr; + + CPDF_CountedColorSpace* csData = it->second; + if (!csData->m_Obj) + return nullptr; + + csData->m_nCount++; return csData->m_Obj; } + void CPDF_DocPageData::ReleaseColorSpace(CPDF_Object* pColorSpace) { - if (!pColorSpace) { + if (!pColorSpace) return; - } - CPDF_CountedObject* csData; - if (!m_ColorSpaceMap.Lookup(pColorSpace, csData)) { + + auto it = m_ColorSpaceMap.find(pColorSpace); + if (it == m_ColorSpaceMap.end()) return; - } + + CPDF_CountedColorSpace* csData = it->second; if (csData->m_Obj && --csData->m_nCount == 0) { csData->m_Obj->ReleaseCS(); - csData->m_Obj = NULL; + csData->m_Obj = nullptr; } } + CPDF_Pattern* CPDF_DocPageData::GetPattern(CPDF_Object* pPatternObj, FX_BOOL bShading, const CFX_AffineMatrix* matrix) { if (!pPatternObj) { @@ -638,16 +629,16 @@ void CPDF_DocPageData::ReleaseFontFileStreamAcc(CPDF_Stream* pFontStream, FX_BOO } PDF_DocPageData_Release(m_FontFileMap, pFontStream, NULL, bForce); } + CPDF_CountedColorSpace* CPDF_DocPageData::FindColorSpacePtr(CPDF_Object* pCSObj) const { - if (!pCSObj) return NULL; - CPDF_CountedObject* csData; - if (m_ColorSpaceMap.Lookup(pCSObj, csData)) - { - return csData; - } - return NULL; + 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 NULL; diff --git a/core/src/fpdfapi/fpdf_page/pageint.h b/core/src/fpdfapi/fpdf_page/pageint.h index 815e146ef8..e994576da5 100644 --- a/core/src/fpdfapi/fpdf_page/pageint.h +++ b/core/src/fpdfapi/fpdf_page/pageint.h @@ -388,7 +388,6 @@ class CPDF_DocPageData CPDF_CountedPattern* FindPatternPtr(CPDF_Object* pPatternObj) const; CPDF_Document* m_pPDFDoc; - CPDF_ColorSpaceMap m_ColorSpaceMap; CPDF_PatternMap m_PatternMap; CPDF_ImageMap m_ImageMap; CPDF_IccProfileMap m_IccProfileMap; @@ -398,8 +397,11 @@ class CPDF_DocPageData private: using CPDF_CountedFont = CPDF_CountedObject; + + using CPDF_ColorSpaceMap = std::map; using CPDF_FontMap = std::map; + CPDF_ColorSpaceMap m_ColorSpaceMap; CPDF_FontMap m_FontMap; }; -- cgit v1.2.3