diff options
Diffstat (limited to 'core/src/fpdfapi')
-rw-r--r-- | core/src/fpdfapi/fpdf_edit/fpdf_edit_content.cpp | 21 | ||||
-rw-r--r-- | core/src/fpdfapi/fpdf_font/fpdf_font.cpp | 2 | ||||
-rw-r--r-- | core/src/fpdfapi/fpdf_page/fpdf_page.cpp | 93 | ||||
-rw-r--r-- | core/src/fpdfapi/fpdf_page/fpdf_page_parser.cpp | 87 | ||||
-rw-r--r-- | core/src/fpdfapi/fpdf_page/fpdf_page_parser_old.cpp | 20 | ||||
-rw-r--r-- | core/src/fpdfapi/fpdf_page/pageint.h | 4 | ||||
-rw-r--r-- | core/src/fpdfapi/fpdf_render/fpdf_render.cpp | 51 | ||||
-rw-r--r-- | core/src/fpdfapi/fpdf_render/fpdf_render_text.cpp | 7 |
8 files changed, 133 insertions, 152 deletions
diff --git a/core/src/fpdfapi/fpdf_edit/fpdf_edit_content.cpp b/core/src/fpdfapi/fpdf_edit/fpdf_edit_content.cpp index 82ab370564..ef0344cda0 100644 --- a/core/src/fpdfapi/fpdf_edit/fpdf_edit_content.cpp +++ b/core/src/fpdfapi/fpdf_edit/fpdf_edit_content.cpp @@ -14,25 +14,18 @@ CFX_ByteTextBuf& operator<<(CFX_ByteTextBuf& ar, CFX_Matrix& matrix) { << matrix.e << " " << matrix.f; return ar; } + CPDF_PageContentGenerator::CPDF_PageContentGenerator(CPDF_Page* pPage) - : m_pPage(pPage) { - m_pDocument = NULL; - if (m_pPage) { - m_pDocument = m_pPage->m_pDocument; - } - FX_POSITION pos = pPage->GetPageObjectList()->GetHeadPosition(); - while (pos) { - InsertPageObject(pPage->GetPageObjectList()->GetNextObject(pos)); - } + : m_pPage(pPage), m_pDocument(m_pPage->m_pDocument) { + for (const auto& pObj : *pPage->GetPageObjectList()) + InsertPageObject(pObj.get()); } -CPDF_PageContentGenerator::~CPDF_PageContentGenerator() {} + FX_BOOL CPDF_PageContentGenerator::InsertPageObject( CPDF_PageObject* pPageObject) { - if (!pPageObject) { - return FALSE; - } - return m_pageObjects.Add(pPageObject); + return pPageObject && m_pageObjects.Add(pPageObject); } + void CPDF_PageContentGenerator::GenerateContent() { CFX_ByteTextBuf buf; CPDF_Dictionary* pPageDict = m_pPage->m_pFormDict; diff --git a/core/src/fpdfapi/fpdf_font/fpdf_font.cpp b/core/src/fpdfapi/fpdf_font/fpdf_font.cpp index 52b79b0c1a..540f9a0731 100644 --- a/core/src/fpdfapi/fpdf_font/fpdf_font.cpp +++ b/core/src/fpdfapi/fpdf_font/fpdf_font.cpp @@ -1706,7 +1706,7 @@ CPDF_Type3Char* CPDF_Type3Font::LoadChar(FX_DWORD charcode, int level) { ASSERT(!pdfium::ContainsKey(m_CacheMap, charcode)); CPDF_Type3Char* pCachedChar = pNewChar.release(); m_CacheMap[charcode] = pCachedChar; - if (pCachedChar->m_pForm->GetPageObjectList()->GetCount() == 0) { + if (pCachedChar->m_pForm->GetPageObjectList()->empty()) { delete pCachedChar->m_pForm; pCachedChar->m_pForm = nullptr; } diff --git a/core/src/fpdfapi/fpdf_page/fpdf_page.cpp b/core/src/fpdfapi/fpdf_page/fpdf_page.cpp index 4194ff75eb..b1de6d6de2 100644 --- a/core/src/fpdfapi/fpdf_page/fpdf_page.cpp +++ b/core/src/fpdfapi/fpdf_page/fpdf_page.cpp @@ -6,8 +6,11 @@ #include "core/src/fpdfapi/fpdf_page/pageint.h" +#include <algorithm> + #include "core/include/fpdfapi/fpdf_module.h" #include "core/include/fpdfapi/fpdf_page.h" +#include "third_party/base/stl_util.h" CPDF_PageObject* CPDF_PageObject::Create(int type) { switch (type) { @@ -670,6 +673,19 @@ void CPDF_FormObject::CalcBoundingBox() { m_Right = form_rect.right; m_Top = form_rect.top; } + +CPDF_PageObject* CPDF_PageObjectList::GetPageObjectByIndex(int index) { + if (index < 0 || index >= pdfium::CollectionSize<int>(*this)) + return nullptr; + int current = 0; + for (const auto& pObj : *this) { + if (index == current) + return pObj.get(); + ++current; + } + return nullptr; +} + CPDF_PageObjectHolder::CPDF_PageObjectHolder() : m_pFormDict(nullptr), m_pFormStream(nullptr), @@ -679,15 +695,8 @@ CPDF_PageObjectHolder::CPDF_PageObjectHolder() m_Transparency(0), m_bBackgroundAlphaNeeded(FALSE), m_bHasImageMask(FALSE), - m_ParseState(CONTENT_NOT_PARSED), - m_PageObjectList(128) {} + m_ParseState(CONTENT_NOT_PARSED) {} -CPDF_PageObjectHolder::~CPDF_PageObjectHolder() { - FX_POSITION pos = m_PageObjectList.GetHeadPosition(); - while (pos) { - delete m_PageObjectList.GetNextObject(pos); - } -} void CPDF_PageObjectHolder::ContinueParse(IFX_Pause* pPause) { if (!m_pParser) { return; @@ -698,48 +707,29 @@ void CPDF_PageObjectHolder::ContinueParse(IFX_Pause* pPause) { m_pParser.reset(); } } -FX_POSITION CPDF_PageObjectList::InsertObject(FX_POSITION posInsertAfter, - CPDF_PageObject* pNewObject) { - if (!posInsertAfter) { - return AddHead(pNewObject); - } - return InsertAfter(posInsertAfter, pNewObject); -} -CPDF_PageObject* CPDF_PageObjectList::GetObjectByIndex(int index) const { - FX_POSITION pos = FindIndex(index); - return pos ? GetObjectAt(pos) : nullptr; -} + void CPDF_PageObjectHolder::Transform(const CFX_Matrix& matrix) { - FX_POSITION pos = m_PageObjectList.GetHeadPosition(); - while (pos) { - m_PageObjectList.GetNextObject(pos)->Transform(matrix); - } + for (auto& pObj : m_PageObjectList) + pObj->Transform(matrix); } + CFX_FloatRect CPDF_PageObjectHolder::CalcBoundingBox() const { - if (m_PageObjectList.GetCount() == 0) { + if (m_PageObjectList.empty()) return CFX_FloatRect(0, 0, 0, 0); - } - FX_FLOAT left, right, top, bottom; - left = bottom = 1000000 * 1.0f; - right = top = -1000000 * 1.0f; - FX_POSITION pos = m_PageObjectList.GetHeadPosition(); - while (pos) { - CPDF_PageObject* pObj = (CPDF_PageObject*)m_PageObjectList.GetNext(pos); - if (left > pObj->m_Left) { - left = pObj->m_Left; - } - if (right < pObj->m_Right) { - right = pObj->m_Right; - } - if (top < pObj->m_Top) { - top = pObj->m_Top; - } - if (bottom > pObj->m_Bottom) { - bottom = pObj->m_Bottom; - } + + FX_FLOAT left = 1000000.0f; + FX_FLOAT right = -1000000.0f; + FX_FLOAT bottom = 1000000.0f; + FX_FLOAT top = -1000000.0f; + for (const auto& pObj : m_PageObjectList) { + left = std::min(left, pObj->m_Left); + right = std::max(right, pObj->m_Right); + bottom = std::min(bottom, pObj->m_Bottom); + top = std::max(top, pObj->m_Top); } return CFX_FloatRect(left, bottom, right, top); } + void CPDF_PageObjectHolder::LoadTransInfo() { if (!m_pFormDict) { return; @@ -889,7 +879,9 @@ CPDF_Form::CPDF_Form(CPDF_Document* pDoc, m_Transparency = 0; LoadTransInfo(); } + CPDF_Form::~CPDF_Form() {} + void CPDF_Form::StartParse(CPDF_AllStates* pGraphicStates, CFX_Matrix* pParentMatrix, CPDF_Type3Char* pType3Char, @@ -903,6 +895,7 @@ void CPDF_Form::StartParse(CPDF_AllStates* pGraphicStates, level); m_ParseState = CONTENT_PARSING; } + void CPDF_Form::ParseContent(CPDF_AllStates* pGraphicStates, CFX_Matrix* pParentMatrix, CPDF_Type3Char* pType3Char, @@ -911,16 +904,16 @@ void CPDF_Form::ParseContent(CPDF_AllStates* pGraphicStates, StartParse(pGraphicStates, pParentMatrix, pType3Char, pOptions, level); ContinueParse(NULL); } + CPDF_Form* CPDF_Form::Clone() const { - CPDF_Form* pClone = + CPDF_Form* pCloneForm = new CPDF_Form(m_pDocument, m_pPageResources, m_pFormStream, m_pResources); - FX_POSITION pos = m_PageObjectList.GetHeadPosition(); - while (pos) { - CPDF_PageObject* pObj = (CPDF_PageObject*)m_PageObjectList.GetNext(pos); - pClone->m_PageObjectList.AddTail(pObj->Clone()); - } - return pClone; + for (const auto& pObj : m_PageObjectList) + pCloneForm->m_PageObjectList.emplace_back(pObj->Clone()); + + return pCloneForm; } + void CPDF_Page::GetDisplayMatrix(CFX_Matrix& matrix, int xPos, int yPos, diff --git a/core/src/fpdfapi/fpdf_page/fpdf_page_parser.cpp b/core/src/fpdfapi/fpdf_page/fpdf_page_parser.cpp index 6e02cb11b4..d49186374f 100644 --- a/core/src/fpdfapi/fpdf_page/fpdf_page_parser.cpp +++ b/core/src/fpdfapi/fpdf_page/fpdf_page_parser.cpp @@ -780,7 +780,7 @@ void CPDF_StreamContentParser::AddForm(CPDF_Stream* pStream) { parser.Parse(stream.GetData(), stream.GetSize(), 0); return; } - CPDF_FormObject* pFormObj = new CPDF_FormObject; + std::unique_ptr<CPDF_FormObject> pFormObj(new CPDF_FormObject); pFormObj->m_pForm = new CPDF_Form(m_pDocument, m_pPageResources, pStream, m_pResources); pFormObj->m_FormMatrix = m_pCurStates->m_CTM; @@ -796,8 +796,8 @@ void CPDF_StreamContentParser::AddForm(CPDF_Stream* pStream) { m_pObjectHolder->SetBackgroundAlphaNeeded(TRUE); } pFormObj->CalcBoundingBox(); - SetGraphicStates(pFormObj, TRUE, TRUE, TRUE); - m_pObjectHolder->GetPageObjectList()->AddTail(pFormObj); + SetGraphicStates(pFormObj.get(), TRUE, TRUE, TRUE); + m_pObjectHolder->GetPageObjectList()->push_back(std::move(pFormObj)); } CPDF_ImageObject* CPDF_StreamContentParser::AddImage(CPDF_Stream* pStream, @@ -809,7 +809,8 @@ CPDF_ImageObject* CPDF_StreamContentParser::AddImage(CPDF_Stream* pStream, CFX_Matrix ImageMatrix; ImageMatrix.Copy(m_pCurStates->m_CTM); ImageMatrix.Concat(m_mtContentToUser); - CPDF_ImageObject* pImageObj = new CPDF_ImageObject; + + std::unique_ptr<CPDF_ImageObject> pImageObj(new CPDF_ImageObject); if (pImage) { pImageObj->m_pImage = m_pDocument->GetPageData()->GetImage(pImage->GetStream()); @@ -819,11 +820,13 @@ CPDF_ImageObject* CPDF_StreamContentParser::AddImage(CPDF_Stream* pStream, pImageObj->m_pImage = new CPDF_Image(m_pDocument); pImageObj->m_pImage->LoadImageF(pStream, bInline); } - SetGraphicStates(pImageObj, pImageObj->m_pImage->IsMask(), FALSE, FALSE); + SetGraphicStates(pImageObj.get(), pImageObj->m_pImage->IsMask(), FALSE, + FALSE); pImageObj->m_Matrix = ImageMatrix; pImageObj->CalcBoundingBox(); - m_pObjectHolder->GetPageObjectList()->AddTail(pImageObj); - return pImageObj; + CPDF_ImageObject* pRet = pImageObj.get(); + m_pObjectHolder->GetPageObjectList()->push_back(std::move(pImageObj)); + return pRet; } void CPDF_StreamContentParser::Handle_MarkPlace_Dictionary() {} @@ -1190,9 +1193,9 @@ void CPDF_StreamContentParser::Handle_ShadeFill() { if (!pShading->Load()) { return; } - CPDF_ShadingObject* pObj = new CPDF_ShadingObject; + std::unique_ptr<CPDF_ShadingObject> pObj(new CPDF_ShadingObject); pObj->m_pShading = pShading; - SetGraphicStates(pObj, FALSE, FALSE, FALSE); + SetGraphicStates(pObj.get(), FALSE, FALSE, FALSE); pObj->m_Matrix = m_pCurStates->m_CTM; pObj->m_Matrix.Concat(m_mtContentToUser); CFX_FloatRect bbox; @@ -1211,7 +1214,7 @@ void CPDF_StreamContentParser::Handle_ShadeFill() { pObj->m_Right = bbox.right; pObj->m_Top = bbox.top; pObj->m_Bottom = bbox.bottom; - m_pObjectHolder->GetPageObjectList()->AddTail(pObj); + m_pObjectHolder->GetPageObjectList()->push_back(std::move(pObj)); } void CPDF_StreamContentParser::Handle_SetCharSpace() { @@ -1365,31 +1368,34 @@ void CPDF_StreamContentParser::AddTextObject(CFX_ByteString* pStrs, } else { textmode = m_pCurStates->m_TextState.GetObject()->m_TextMode; } - CPDF_TextObject* pText = new CPDF_TextObject; - m_pLastTextObject = pText; - SetGraphicStates(pText, TRUE, TRUE, TRUE); - if (textmode && textmode != 3 && textmode != 4 && textmode != 7) { - FX_FLOAT* pCTM = pText->m_TextState.GetModify()->m_CTM; - pCTM[0] = m_pCurStates->m_CTM.a; - pCTM[1] = m_pCurStates->m_CTM.c; - pCTM[2] = m_pCurStates->m_CTM.b; - pCTM[3] = m_pCurStates->m_CTM.d; - } - pText->SetSegments(pStrs, pKerning, nsegs); - pText->m_PosX = m_pCurStates->m_TextX; - pText->m_PosY = m_pCurStates->m_TextY + m_pCurStates->m_TextRise; - ConvertTextSpace(pText->m_PosX, pText->m_PosY); - FX_FLOAT x_advance, y_advance; - pText->CalcPositionData(&x_advance, &y_advance, m_pCurStates->m_TextHorzScale, - m_Level); - m_pCurStates->m_TextX += x_advance; - m_pCurStates->m_TextY += y_advance; - if (textmode > 3) { - CPDF_TextObject* pCopy = new CPDF_TextObject; - pCopy->Copy(pText); - m_ClipTextList.Add(pCopy); - } - m_pObjectHolder->GetPageObjectList()->AddTail(pText); + { + std::unique_ptr<CPDF_TextObject> pText(new CPDF_TextObject); + m_pLastTextObject = pText.get(); + SetGraphicStates(m_pLastTextObject, TRUE, TRUE, TRUE); + if (textmode && textmode != 3 && textmode != 4 && textmode != 7) { + FX_FLOAT* pCTM = pText->m_TextState.GetModify()->m_CTM; + pCTM[0] = m_pCurStates->m_CTM.a; + pCTM[1] = m_pCurStates->m_CTM.c; + pCTM[2] = m_pCurStates->m_CTM.b; + pCTM[3] = m_pCurStates->m_CTM.d; + } + pText->SetSegments(pStrs, pKerning, nsegs); + pText->m_PosX = m_pCurStates->m_TextX; + pText->m_PosY = m_pCurStates->m_TextY + m_pCurStates->m_TextRise; + ConvertTextSpace(pText->m_PosX, pText->m_PosY); + FX_FLOAT x_advance; + FX_FLOAT y_advance; + pText->CalcPositionData(&x_advance, &y_advance, + m_pCurStates->m_TextHorzScale, m_Level); + m_pCurStates->m_TextX += x_advance; + m_pCurStates->m_TextY += y_advance; + if (textmode > 3) { + CPDF_TextObject* pCopy = new CPDF_TextObject; + pCopy->Copy(pText.get()); + m_ClipTextList.Add(pCopy); + } + m_pObjectHolder->GetPageObjectList()->push_back(std::move(pText)); + } if (pKerning && pKerning[nsegs - 1] != 0) { if (!pFont->IsVertWriting()) { m_pCurStates->m_TextX -= @@ -1617,14 +1623,14 @@ void CPDF_StreamContentParser::AddPathObject(int FillType, FX_BOOL bStroke) { CFX_Matrix matrix = m_pCurStates->m_CTM; matrix.Concat(m_mtContentToUser); if (bStroke || FillType) { - CPDF_PathObject* pPathObj = new CPDF_PathObject; + std::unique_ptr<CPDF_PathObject> pPathObj(new CPDF_PathObject); pPathObj->m_bStroke = bStroke; pPathObj->m_FillType = FillType; pPathObj->m_Path = Path; pPathObj->m_Matrix = matrix; - SetGraphicStates(pPathObj, TRUE, FALSE, TRUE); + SetGraphicStates(pPathObj.get(), TRUE, FALSE, TRUE); pPathObj->CalcBoundingBox(); - m_pObjectHolder->GetPageObjectList()->AddTail(pPathObj); + m_pObjectHolder->GetPageObjectList()->push_back(std::move(pPathObj)); } if (PathClipType) { if (!matrix.IsIdentity()) { @@ -1641,13 +1647,12 @@ FX_DWORD CPDF_StreamContentParser::Parse(const uint8_t* pData, if (m_Level > _FPDF_MAX_FORM_LEVEL_) { return dwSize; } - FX_DWORD InitObjCount = m_pObjectHolder->GetPageObjectList()->GetCount(); + FX_DWORD InitObjCount = m_pObjectHolder->GetPageObjectList()->size(); CPDF_StreamParser syntax(pData, dwSize); CPDF_StreamParserAutoClearer auto_clearer(&m_pSyntax, &syntax); m_CompatCount = 0; while (1) { - FX_DWORD cost = - m_pObjectHolder->GetPageObjectList()->GetCount() - InitObjCount; + FX_DWORD cost = m_pObjectHolder->GetPageObjectList()->size() - InitObjCount; if (max_cost && cost >= max_cost) { break; } diff --git a/core/src/fpdfapi/fpdf_page/fpdf_page_parser_old.cpp b/core/src/fpdfapi/fpdf_page/fpdf_page_parser_old.cpp index 7fa3286e11..20f0c39c25 100644 --- a/core/src/fpdfapi/fpdf_page/fpdf_page_parser_old.cpp +++ b/core/src/fpdfapi/fpdf_page/fpdf_page_parser_old.cpp @@ -666,7 +666,7 @@ bool CPDF_StreamParser::PositionIsInBounds() const { CPDF_ContentParser::CPDF_ContentParser() : m_Status(Ready), m_InternalStage(STAGE_GETCONTENT), - m_pObjects(nullptr), + m_pObjectHolder(nullptr), m_bForm(false), m_pType3Char(nullptr), m_pData(nullptr), @@ -684,7 +684,7 @@ void CPDF_ContentParser::Start(CPDF_Page* pPage, CPDF_ParseOptions* pOptions) { m_Status = Done; return; } - m_pObjects = pPage; + m_pObjectHolder = pPage; m_bForm = FALSE; if (pOptions) { m_Options = *pOptions; @@ -720,7 +720,7 @@ void CPDF_ContentParser::Start(CPDF_Form* pForm, CPDF_ParseOptions* pOptions, int level) { m_pType3Char = pType3Char; - m_pObjects = pForm; + m_pObjectHolder = pForm; m_bForm = TRUE; CFX_Matrix form_matrix = pForm->m_pFormDict->GetMatrixBy("Matrix"); if (pGraphicStates) { @@ -803,7 +803,8 @@ void CPDF_ContentParser::Continue(IFX_Pause* pPause) { m_InternalStage = STAGE_PARSE; m_CurrentOffset = 0; } else { - CPDF_Array* pContent = m_pObjects->m_pFormDict->GetArrayBy("Contents"); + CPDF_Array* pContent = + m_pObjectHolder->m_pFormDict->GetArrayBy("Contents"); m_StreamArray[m_CurrentOffset].reset(new CPDF_StreamAcc); CPDF_Stream* pStreamObj = ToStream( pContent ? pContent->GetElementValue(m_CurrentOffset) : nullptr); @@ -814,9 +815,9 @@ void CPDF_ContentParser::Continue(IFX_Pause* pPause) { if (m_InternalStage == STAGE_PARSE) { if (!m_pParser) { m_pParser.reset(new CPDF_StreamContentParser( - m_pObjects->m_pDocument, m_pObjects->m_pPageResources, nullptr, - nullptr, m_pObjects, m_pObjects->m_pResources, &m_pObjects->m_BBox, - &m_Options, nullptr, 0)); + m_pObjectHolder->m_pDocument, m_pObjectHolder->m_pPageResources, + nullptr, nullptr, m_pObjectHolder, m_pObjectHolder->m_pResources, + &m_pObjectHolder->m_BBox, &m_Options, nullptr, 0)); m_pParser->GetCurStates()->m_ColorState.GetModify()->Default(); } if (m_CurrentOffset >= m_Size) { @@ -841,10 +842,7 @@ void CPDF_ContentParser::Continue(IFX_Pause* pPause) { m_pType3Char->m_BBox.top = FXSYS_round(m_pParser->GetType3Data()[5] * 1000); } - FX_POSITION pos = m_pObjects->GetPageObjectList()->GetHeadPosition(); - while (pos) { - CPDF_PageObject* pObj = - m_pObjects->GetPageObjectList()->GetNextObject(pos); + for (auto& pObj : *m_pObjectHolder->GetPageObjectList()) { if (pObj->m_ClipPath.IsNull()) { continue; } diff --git a/core/src/fpdfapi/fpdf_page/pageint.h b/core/src/fpdfapi/fpdf_page/pageint.h index 4df8d6aa9f..fb95b6b30d 100644 --- a/core/src/fpdfapi/fpdf_page/pageint.h +++ b/core/src/fpdfapi/fpdf_page/pageint.h @@ -94,7 +94,7 @@ class CPDF_StreamContentParser { CPDF_Dictionary* pPageResources, CPDF_Dictionary* pParentResources, CFX_Matrix* pmtContentToUser, - CPDF_PageObjectHolder* pObjHolder, + CPDF_PageObjectHolder* pObjectHolder, CPDF_Dictionary* pResources, CFX_FloatRect* pBBox, CPDF_ParseOptions* pOptions, @@ -298,7 +298,7 @@ class CPDF_ContentParser { ParseStatus m_Status; InternalStage m_InternalStage; - CPDF_PageObjectHolder* m_pObjects; + CPDF_PageObjectHolder* m_pObjectHolder; FX_BOOL m_bForm; CPDF_ParseOptions m_Options; CPDF_Type3Char* m_pType3Char; diff --git a/core/src/fpdfapi/fpdf_render/fpdf_render.cpp b/core/src/fpdfapi/fpdf_render/fpdf_render.cpp index 0023ee92de..147de51f4d 100644 --- a/core/src/fpdfapi/fpdf_render/fpdf_render.cpp +++ b/core/src/fpdfapi/fpdf_render/fpdf_render.cpp @@ -244,29 +244,24 @@ void CPDF_RenderStatus::RenderObjectList( CFX_Matrix device2object; device2object.SetReverse(*pObj2Device); device2object.TransformRect(clip_rect); - int index = 0; - FX_POSITION pos = pObjectHolder->GetPageObjectList()->GetHeadPosition(); - while (pos) { - index++; - CPDF_PageObject* pCurObj = - pObjectHolder->GetPageObjectList()->GetNextObject(pos); - if (pCurObj == m_pStopObj) { + + for (const auto& pCurObj : *pObjectHolder->GetPageObjectList()) { + if (pCurObj.get() == m_pStopObj) { m_bStopped = TRUE; return; } - if (!pCurObj) { + if (!pCurObj) continue; - } - if (!pCurObj || pCurObj->m_Left > clip_rect.right || + + if (pCurObj->m_Left > clip_rect.right || pCurObj->m_Right < clip_rect.left || pCurObj->m_Bottom > clip_rect.top || pCurObj->m_Top < clip_rect.bottom) { continue; } - RenderSingleObject(pCurObj, pObj2Device); - if (m_bStopped) { + RenderSingleObject(pCurObj.get(), pObj2Device); + if (m_bStopped) return; - } } } void CPDF_RenderStatus::RenderSingleObject(const CPDF_PageObject* pObj, @@ -1037,8 +1032,7 @@ CPDF_ProgressiveRenderer::CPDF_ProgressiveRenderer( m_pDevice(pDevice), m_pOptions(pOptions), m_LayerIndex(0), - m_pCurrentLayer(nullptr), - m_LastObjectRendered(nullptr) {} + m_pCurrentLayer(nullptr) {} CPDF_ProgressiveRenderer::~CPDF_ProgressiveRenderer() { if (m_pRenderStatus) @@ -1062,7 +1056,8 @@ void CPDF_ProgressiveRenderer::Continue(IFX_Pause* pPause) { return; } m_pCurrentLayer = m_pContext->GetLayer(m_LayerIndex); - m_LastObjectRendered = nullptr; + m_LastObjectRendered = + m_pCurrentLayer->m_pObjectHolder->GetPageObjectList()->end(); m_pRenderStatus.reset(new CPDF_RenderStatus()); m_pRenderStatus->Initialize( m_pContext, m_pDevice, NULL, NULL, NULL, NULL, m_pOptions, @@ -1073,19 +1068,18 @@ void CPDF_ProgressiveRenderer::Continue(IFX_Pause* pPause) { device2object.SetReverse(m_pCurrentLayer->m_Matrix); device2object.TransformRect(m_ClipRect); } - FX_POSITION pos; - if (m_LastObjectRendered) { - pos = m_LastObjectRendered; - m_pCurrentLayer->m_pObjectHolder->GetPageObjectList()->GetNextObject(pos); + CPDF_PageObjectList::iterator iter; + CPDF_PageObjectList::iterator iterEnd = + m_pCurrentLayer->m_pObjectHolder->GetPageObjectList()->end(); + if (m_LastObjectRendered != iterEnd) { + iter = m_LastObjectRendered; + ++iter; } else { - pos = m_pCurrentLayer->m_pObjectHolder->GetPageObjectList() - ->GetHeadPosition(); + iter = m_pCurrentLayer->m_pObjectHolder->GetPageObjectList()->begin(); } int nObjsToGo = kStepLimit; - while (pos) { - CPDF_PageObject* pCurObj = - m_pCurrentLayer->m_pObjectHolder->GetPageObjectList()->GetObjectAt( - pos); + while (iter != iterEnd) { + CPDF_PageObject* pCurObj = iter->get(); if (pCurObj && pCurObj->m_Left <= m_ClipRect.right && pCurObj->m_Right >= m_ClipRect.left && pCurObj->m_Bottom <= m_ClipRect.top && @@ -1106,19 +1100,18 @@ void CPDF_ProgressiveRenderer::Continue(IFX_Pause* pPause) { --nObjsToGo; } } - m_LastObjectRendered = pos; + m_LastObjectRendered = iter; if (nObjsToGo == 0) { if (pPause && pPause->NeedToPauseNow()) return; nObjsToGo = kStepLimit; } - m_pCurrentLayer->m_pObjectHolder->GetPageObjectList()->GetNextObject(pos); + ++iter; } if (m_pCurrentLayer->m_pObjectHolder->IsParsed()) { m_pRenderStatus.reset(); m_pDevice->RestoreState(); m_pCurrentLayer = nullptr; - m_LastObjectRendered = nullptr; m_LayerIndex++; if (pPause && pPause->NeedToPauseNow()) { return; diff --git a/core/src/fpdfapi/fpdf_render/fpdf_render_text.cpp b/core/src/fpdfapi/fpdf_render/fpdf_render_text.cpp index f19e6f8258..d2faac3b7e 100644 --- a/core/src/fpdfapi/fpdf_render/fpdf_render_text.cpp +++ b/core/src/fpdfapi/fpdf_render/fpdf_render_text.cpp @@ -316,11 +316,10 @@ FX_BOOL CPDF_Type3Char::LoadBitmap(CPDF_RenderContext* pContext) { if (m_pBitmap || !m_pForm) { return TRUE; } - if (m_pForm->GetPageObjectList()->GetCount() == 1 && !m_bColored) { - CPDF_PageObject* pPageObj = m_pForm->GetPageObjectList()->GetObjectAt( - m_pForm->GetPageObjectList()->GetHeadPosition()); + if (m_pForm->GetPageObjectList()->size() == 1 && !m_bColored) { + auto& pPageObj = m_pForm->GetPageObjectList()->front(); if (pPageObj->m_Type == CPDF_PageObject::IMAGE) { - CPDF_ImageObject* pImage = (CPDF_ImageObject*)pPageObj; + CPDF_ImageObject* pImage = static_cast<CPDF_ImageObject*>(pPageObj.get()); m_ImageMatrix = pImage->m_Matrix; const CFX_DIBSource* pSource = pImage->m_pImage->LoadDIBSource(); if (pSource) { |