Index: core/fpdfapi/fpdf_render/fpdf_render.cpp |
diff --git a/core/fpdfapi/fpdf_render/fpdf_render.cpp b/core/fpdfapi/fpdf_render/fpdf_render.cpp |
deleted file mode 100644 |
index ff300f60906dbd6fa3fa0846802031905f743d18..0000000000000000000000000000000000000000 |
--- a/core/fpdfapi/fpdf_render/fpdf_render.cpp |
+++ /dev/null |
@@ -1,1289 +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_render/render_int.h" |
- |
-#include <memory> |
- |
-#include "core/fpdfapi/cpdf_modulemgr.h" |
-#include "core/fpdfapi/font/cpdf_type3char.h" |
-#include "core/fpdfapi/font/cpdf_type3font.h" |
-#include "core/fpdfapi/fpdf_render/cpdf_pagerendercache.h" |
-#include "core/fpdfapi/fpdf_render/cpdf_progressiverenderer.h" |
-#include "core/fpdfapi/fpdf_render/cpdf_renderoptions.h" |
-#include "core/fpdfapi/fpdf_render/cpdf_textrenderer.h" |
-#include "core/fpdfapi/fpdf_render/cpdf_type3cache.h" |
-#include "core/fpdfapi/page/cpdf_form.h" |
-#include "core/fpdfapi/page/cpdf_formobject.h" |
-#include "core/fpdfapi/page/cpdf_graphicstates.h" |
-#include "core/fpdfapi/page/cpdf_image.h" |
-#include "core/fpdfapi/page/cpdf_imageobject.h" |
-#include "core/fpdfapi/page/cpdf_page.h" |
-#include "core/fpdfapi/page/cpdf_pageobject.h" |
-#include "core/fpdfapi/page/cpdf_pathobject.h" |
-#include "core/fpdfapi/page/cpdf_textobject.h" |
-#include "core/fpdfapi/page/pageint.h" |
-#include "core/fpdfapi/parser/cpdf_array.h" |
-#include "core/fpdfapi/parser/cpdf_dictionary.h" |
-#include "core/fpdfapi/parser/cpdf_document.h" |
-#include "core/fpdfdoc/cpdf_occontext.h" |
-#include "core/fxge/cfx_fxgedevice.h" |
-#include "core/fxge/cfx_graphstatedata.h" |
-#include "core/fxge/cfx_pathdata.h" |
-#include "core/fxge/cfx_renderdevice.h" |
- |
-CPDF_DocRenderData::CPDF_DocRenderData(CPDF_Document* pPDFDoc) |
- : m_pPDFDoc(pPDFDoc) {} |
- |
-CPDF_DocRenderData::~CPDF_DocRenderData() { |
- Clear(TRUE); |
-} |
- |
-void CPDF_DocRenderData::Clear(FX_BOOL bRelease) { |
- for (auto it = m_Type3FaceMap.begin(); it != m_Type3FaceMap.end();) { |
- auto curr_it = it++; |
- CPDF_CountedObject<CPDF_Type3Cache>* cache = curr_it->second; |
- if (bRelease || cache->use_count() < 2) { |
- delete cache->get(); |
- delete cache; |
- m_Type3FaceMap.erase(curr_it); |
- } |
- } |
- |
- for (auto it = m_TransferFuncMap.begin(); it != m_TransferFuncMap.end();) { |
- auto curr_it = it++; |
- CPDF_CountedObject<CPDF_TransferFunc>* value = curr_it->second; |
- if (bRelease || value->use_count() < 2) { |
- delete value->get(); |
- delete value; |
- m_TransferFuncMap.erase(curr_it); |
- } |
- } |
-} |
- |
-CPDF_Type3Cache* CPDF_DocRenderData::GetCachedType3(CPDF_Type3Font* pFont) { |
- CPDF_CountedObject<CPDF_Type3Cache>* pCache; |
- auto it = m_Type3FaceMap.find(pFont); |
- if (it == m_Type3FaceMap.end()) { |
- CPDF_Type3Cache* pType3 = new CPDF_Type3Cache(pFont); |
- pCache = new CPDF_CountedObject<CPDF_Type3Cache>(pType3); |
- m_Type3FaceMap[pFont] = pCache; |
- } else { |
- pCache = it->second; |
- } |
- return pCache->AddRef(); |
-} |
- |
-void CPDF_DocRenderData::ReleaseCachedType3(CPDF_Type3Font* pFont) { |
- auto it = m_Type3FaceMap.find(pFont); |
- if (it != m_Type3FaceMap.end()) |
- it->second->RemoveRef(); |
-} |
- |
-CPDF_RenderOptions::CPDF_RenderOptions() |
- : m_ColorMode(RENDER_COLOR_NORMAL), |
- m_Flags(RENDER_CLEARTYPE), |
- m_Interpolation(0), |
- m_AddFlags(0), |
- m_pOCContext(nullptr), |
- m_dwLimitCacheSize(1024 * 1024 * 100), |
- m_HalftoneLimit(-1), |
- m_bDrawAnnots(false) {} |
- |
-CPDF_RenderOptions::CPDF_RenderOptions(const CPDF_RenderOptions& rhs) |
- : m_ColorMode(rhs.m_ColorMode), |
- m_BackColor(rhs.m_BackColor), |
- m_ForeColor(rhs.m_ForeColor), |
- m_Flags(rhs.m_Flags), |
- m_Interpolation(rhs.m_Interpolation), |
- m_AddFlags(rhs.m_AddFlags), |
- m_pOCContext(rhs.m_pOCContext), |
- m_dwLimitCacheSize(rhs.m_dwLimitCacheSize), |
- m_HalftoneLimit(rhs.m_HalftoneLimit), |
- m_bDrawAnnots(rhs.m_bDrawAnnots) {} |
- |
-FX_ARGB CPDF_RenderOptions::TranslateColor(FX_ARGB argb) const { |
- if (m_ColorMode == RENDER_COLOR_NORMAL) { |
- return argb; |
- } |
- if (m_ColorMode == RENDER_COLOR_ALPHA) { |
- return argb; |
- } |
- int a, r, g, b; |
- ArgbDecode(argb, a, r, g, b); |
- int gray = FXRGB2GRAY(r, g, b); |
- if (m_ColorMode == RENDER_COLOR_TWOCOLOR) { |
- int color = (r - gray) * (r - gray) + (g - gray) * (g - gray) + |
- (b - gray) * (b - gray); |
- if (gray < 35 && color < 20) { |
- return ArgbEncode(a, m_ForeColor); |
- } |
- if (gray > 221 && color < 20) { |
- return ArgbEncode(a, m_BackColor); |
- } |
- return argb; |
- } |
- int fr = FXSYS_GetRValue(m_ForeColor); |
- int fg = FXSYS_GetGValue(m_ForeColor); |
- int fb = FXSYS_GetBValue(m_ForeColor); |
- int br = FXSYS_GetRValue(m_BackColor); |
- int bg = FXSYS_GetGValue(m_BackColor); |
- int bb = FXSYS_GetBValue(m_BackColor); |
- r = (br - fr) * gray / 255 + fr; |
- g = (bg - fg) * gray / 255 + fg; |
- b = (bb - fb) * gray / 255 + fb; |
- return ArgbEncode(a, r, g, b); |
-} |
- |
-// static |
-int CPDF_RenderStatus::s_CurrentRecursionDepth = 0; |
- |
-CPDF_RenderStatus::CPDF_RenderStatus() |
- : m_pFormResource(nullptr), |
- m_pPageResource(nullptr), |
- m_pContext(nullptr), |
- m_bStopped(FALSE), |
- m_pDevice(nullptr), |
- m_pCurObj(nullptr), |
- m_pStopObj(nullptr), |
- m_HalftoneLimit(0), |
- m_bPrint(FALSE), |
- m_Transparency(0), |
- m_bDropObjects(FALSE), |
- m_bStdCS(FALSE), |
- m_GroupFamily(0), |
- m_bLoadMask(FALSE), |
- m_pType3Char(nullptr), |
- m_T3FillColor(0), |
- m_curBlend(FXDIB_BLEND_NORMAL) {} |
- |
-CPDF_RenderStatus::~CPDF_RenderStatus() {} |
- |
-FX_BOOL CPDF_RenderStatus::Initialize(CPDF_RenderContext* pContext, |
- CFX_RenderDevice* pDevice, |
- const CFX_Matrix* pDeviceMatrix, |
- const CPDF_PageObject* pStopObj, |
- const CPDF_RenderStatus* pParentState, |
- const CPDF_GraphicStates* pInitialStates, |
- const CPDF_RenderOptions* pOptions, |
- int transparency, |
- FX_BOOL bDropObjects, |
- CPDF_Dictionary* pFormResource, |
- FX_BOOL bStdCS, |
- CPDF_Type3Char* pType3Char, |
- FX_ARGB fill_color, |
- uint32_t GroupFamily, |
- FX_BOOL bLoadMask) { |
- m_pContext = pContext; |
- m_pDevice = pDevice; |
- m_bPrint = m_pDevice->GetDeviceClass() != FXDC_DISPLAY; |
- if (pDeviceMatrix) { |
- m_DeviceMatrix = *pDeviceMatrix; |
- } |
- m_pStopObj = pStopObj; |
- if (pOptions) { |
- m_Options = *pOptions; |
- } |
- m_bDropObjects = bDropObjects; |
- m_bStdCS = bStdCS; |
- m_T3FillColor = fill_color; |
- m_pType3Char = pType3Char; |
- m_GroupFamily = GroupFamily; |
- m_bLoadMask = bLoadMask; |
- m_pFormResource = pFormResource; |
- m_pPageResource = m_pContext->GetPageResources(); |
- if (pInitialStates && !m_pType3Char) { |
- m_InitialStates.CopyStates(*pInitialStates); |
- if (pParentState) { |
- if (!m_InitialStates.m_ColorState.HasFillColor()) { |
- m_InitialStates.m_ColorState.SetFillRGB( |
- pParentState->m_InitialStates.m_ColorState.GetFillRGB()); |
- m_InitialStates.m_ColorState.GetMutableFillColor()->Copy( |
- pParentState->m_InitialStates.m_ColorState.GetFillColor()); |
- } |
- if (!m_InitialStates.m_ColorState.HasStrokeColor()) { |
- m_InitialStates.m_ColorState.SetStrokeRGB( |
- pParentState->m_InitialStates.m_ColorState.GetFillRGB()); |
- m_InitialStates.m_ColorState.GetMutableStrokeColor()->Copy( |
- pParentState->m_InitialStates.m_ColorState.GetStrokeColor()); |
- } |
- } |
- } else { |
- m_InitialStates.DefaultStates(); |
- } |
- m_pImageRenderer.reset(); |
- m_Transparency = transparency; |
- return TRUE; |
-} |
-void CPDF_RenderStatus::RenderObjectList( |
- const CPDF_PageObjectHolder* pObjectHolder, |
- const CFX_Matrix* pObj2Device) { |
-#if defined _SKIA_SUPPORT_ |
- DebugVerifyDeviceIsPreMultiplied(); |
-#endif |
- CFX_FloatRect clip_rect(m_pDevice->GetClipBox()); |
- CFX_Matrix device2object; |
- device2object.SetReverse(*pObj2Device); |
- device2object.TransformRect(clip_rect); |
- |
- for (const auto& pCurObj : *pObjectHolder->GetPageObjectList()) { |
- if (pCurObj.get() == m_pStopObj) { |
- m_bStopped = TRUE; |
- return; |
- } |
- if (!pCurObj) |
- continue; |
- |
- 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.get(), pObj2Device); |
- if (m_bStopped) |
- return; |
- } |
-#if defined _SKIA_SUPPORT_ |
- DebugVerifyDeviceIsPreMultiplied(); |
-#endif |
-} |
- |
-void CPDF_RenderStatus::RenderSingleObject(CPDF_PageObject* pObj, |
- const CFX_Matrix* pObj2Device) { |
-#if defined _SKIA_SUPPORT_ |
- DebugVerifyDeviceIsPreMultiplied(); |
-#endif |
- CFX_AutoRestorer<int> restorer(&s_CurrentRecursionDepth); |
- if (++s_CurrentRecursionDepth > kRenderMaxRecursionDepth) { |
- return; |
- } |
- m_pCurObj = pObj; |
- if (m_Options.m_pOCContext && pObj->m_ContentMark) { |
- if (!m_Options.m_pOCContext->CheckObjectVisible(pObj)) { |
- return; |
- } |
- } |
- ProcessClipPath(pObj->m_ClipPath, pObj2Device); |
- if (ProcessTransparency(pObj, pObj2Device)) { |
- return; |
- } |
- ProcessObjectNoClip(pObj, pObj2Device); |
-#if defined _SKIA_SUPPORT_ |
- DebugVerifyDeviceIsPreMultiplied(); |
-#endif |
-} |
- |
-FX_BOOL CPDF_RenderStatus::ContinueSingleObject(CPDF_PageObject* pObj, |
- const CFX_Matrix* pObj2Device, |
- IFX_Pause* pPause) { |
- if (m_pImageRenderer) { |
- if (m_pImageRenderer->Continue(pPause)) |
- return TRUE; |
- |
- if (!m_pImageRenderer->m_Result) |
- DrawObjWithBackground(pObj, pObj2Device); |
- m_pImageRenderer.reset(); |
- return FALSE; |
- } |
- |
- m_pCurObj = pObj; |
- if (m_Options.m_pOCContext && pObj->m_ContentMark && |
- !m_Options.m_pOCContext->CheckObjectVisible(pObj)) { |
- return FALSE; |
- } |
- |
- ProcessClipPath(pObj->m_ClipPath, pObj2Device); |
- if (ProcessTransparency(pObj, pObj2Device)) |
- return FALSE; |
- |
- if (pObj->IsImage()) { |
- m_pImageRenderer.reset(new CPDF_ImageRenderer); |
- if (!m_pImageRenderer->Start(this, pObj, pObj2Device, FALSE)) { |
- if (!m_pImageRenderer->m_Result) |
- DrawObjWithBackground(pObj, pObj2Device); |
- m_pImageRenderer.reset(); |
- return FALSE; |
- } |
- return ContinueSingleObject(pObj, pObj2Device, pPause); |
- } |
- |
- ProcessObjectNoClip(pObj, pObj2Device); |
- return FALSE; |
-} |
- |
-FX_BOOL CPDF_RenderStatus::GetObjectClippedRect(const CPDF_PageObject* pObj, |
- const CFX_Matrix* pObj2Device, |
- FX_BOOL bLogical, |
- FX_RECT& rect) const { |
- rect = pObj->GetBBox(pObj2Device); |
- FX_RECT rtClip = m_pDevice->GetClipBox(); |
- if (!bLogical) { |
- CFX_Matrix dCTM = m_pDevice->GetCTM(); |
- FX_FLOAT a = FXSYS_fabs(dCTM.a); |
- FX_FLOAT d = FXSYS_fabs(dCTM.d); |
- if (a != 1.0f || d != 1.0f) { |
- rect.right = rect.left + (int32_t)FXSYS_ceil((FX_FLOAT)rect.Width() * a); |
- rect.bottom = rect.top + (int32_t)FXSYS_ceil((FX_FLOAT)rect.Height() * d); |
- rtClip.right = |
- rtClip.left + (int32_t)FXSYS_ceil((FX_FLOAT)rtClip.Width() * a); |
- rtClip.bottom = |
- rtClip.top + (int32_t)FXSYS_ceil((FX_FLOAT)rtClip.Height() * d); |
- } |
- } |
- rect.Intersect(rtClip); |
- return rect.IsEmpty(); |
-} |
- |
-void CPDF_RenderStatus::ProcessObjectNoClip(CPDF_PageObject* pObj, |
- const CFX_Matrix* pObj2Device) { |
-#if defined _SKIA_SUPPORT_ |
- DebugVerifyDeviceIsPreMultiplied(); |
-#endif |
- FX_BOOL bRet = FALSE; |
- switch (pObj->GetType()) { |
- case CPDF_PageObject::TEXT: |
- bRet = ProcessText(pObj->AsText(), pObj2Device, nullptr); |
- break; |
- case CPDF_PageObject::PATH: |
- bRet = ProcessPath(pObj->AsPath(), pObj2Device); |
- break; |
- case CPDF_PageObject::IMAGE: |
- bRet = ProcessImage(pObj->AsImage(), pObj2Device); |
- break; |
- case CPDF_PageObject::SHADING: |
- ProcessShading(pObj->AsShading(), pObj2Device); |
- return; |
- case CPDF_PageObject::FORM: |
- bRet = ProcessForm(pObj->AsForm(), pObj2Device); |
- break; |
- } |
- if (!bRet) |
- DrawObjWithBackground(pObj, pObj2Device); |
-#if defined _SKIA_SUPPORT_ |
- DebugVerifyDeviceIsPreMultiplied(); |
-#endif |
-} |
- |
-FX_BOOL CPDF_RenderStatus::DrawObjWithBlend(CPDF_PageObject* pObj, |
- const CFX_Matrix* pObj2Device) { |
- FX_BOOL bRet = FALSE; |
- switch (pObj->GetType()) { |
- case CPDF_PageObject::PATH: |
- bRet = ProcessPath(pObj->AsPath(), pObj2Device); |
- break; |
- case CPDF_PageObject::IMAGE: |
- bRet = ProcessImage(pObj->AsImage(), pObj2Device); |
- break; |
- case CPDF_PageObject::FORM: |
- bRet = ProcessForm(pObj->AsForm(), pObj2Device); |
- break; |
- default: |
- break; |
- } |
- return bRet; |
-} |
-void CPDF_RenderStatus::GetScaledMatrix(CFX_Matrix& matrix) const { |
- CFX_Matrix dCTM = m_pDevice->GetCTM(); |
- matrix.a *= FXSYS_fabs(dCTM.a); |
- matrix.d *= FXSYS_fabs(dCTM.d); |
-} |
- |
-void CPDF_RenderStatus::DrawObjWithBackground(CPDF_PageObject* pObj, |
- const CFX_Matrix* pObj2Device) { |
- FX_RECT rect; |
- if (GetObjectClippedRect(pObj, pObj2Device, FALSE, rect)) { |
- return; |
- } |
- int res = 300; |
- if (pObj->IsImage() && |
- m_pDevice->GetDeviceCaps(FXDC_DEVICE_CLASS) == FXDC_PRINTER) { |
- res = 0; |
- } |
- CPDF_ScaledRenderBuffer buffer; |
- if (!buffer.Initialize(m_pContext, m_pDevice, rect, pObj, &m_Options, res)) { |
- return; |
- } |
- CFX_Matrix matrix = *pObj2Device; |
- matrix.Concat(*buffer.GetMatrix()); |
- GetScaledMatrix(matrix); |
- CPDF_Dictionary* pFormResource = nullptr; |
- if (pObj->IsForm()) { |
- const CPDF_FormObject* pFormObj = pObj->AsForm(); |
- if (pFormObj->m_pForm && pFormObj->m_pForm->m_pFormDict) { |
- pFormResource = pFormObj->m_pForm->m_pFormDict->GetDictFor("Resources"); |
- } |
- } |
- CPDF_RenderStatus status; |
- status.Initialize(m_pContext, buffer.GetDevice(), buffer.GetMatrix(), nullptr, |
- nullptr, nullptr, &m_Options, m_Transparency, |
- m_bDropObjects, pFormResource); |
- status.RenderSingleObject(pObj, &matrix); |
- buffer.OutputToDevice(); |
-} |
- |
-FX_BOOL CPDF_RenderStatus::ProcessForm(const CPDF_FormObject* pFormObj, |
- const CFX_Matrix* pObj2Device) { |
-#if defined _SKIA_SUPPORT_ |
- DebugVerifyDeviceIsPreMultiplied(); |
-#endif |
- CPDF_Dictionary* pOC = pFormObj->m_pForm->m_pFormDict->GetDictFor("OC"); |
- if (pOC && m_Options.m_pOCContext && |
- !m_Options.m_pOCContext->CheckOCGVisible(pOC)) { |
- return TRUE; |
- } |
- CFX_Matrix matrix = pFormObj->m_FormMatrix; |
- matrix.Concat(*pObj2Device); |
- CPDF_Dictionary* pResources = nullptr; |
- if (pFormObj->m_pForm && pFormObj->m_pForm->m_pFormDict) { |
- pResources = pFormObj->m_pForm->m_pFormDict->GetDictFor("Resources"); |
- } |
- CPDF_RenderStatus status; |
- status.Initialize(m_pContext, m_pDevice, nullptr, m_pStopObj, this, pFormObj, |
- &m_Options, m_Transparency, m_bDropObjects, pResources, |
- FALSE); |
- status.m_curBlend = m_curBlend; |
- m_pDevice->SaveState(); |
- status.RenderObjectList(pFormObj->m_pForm.get(), &matrix); |
- m_bStopped = status.m_bStopped; |
- m_pDevice->RestoreState(false); |
-#if defined _SKIA_SUPPORT_ |
- DebugVerifyDeviceIsPreMultiplied(); |
-#endif |
- return TRUE; |
-} |
- |
-FX_BOOL IsAvailableMatrix(const CFX_Matrix& matrix) { |
- if (matrix.a == 0 || matrix.d == 0) { |
- return matrix.b != 0 && matrix.c != 0; |
- } |
- if (matrix.b == 0 || matrix.c == 0) { |
- return matrix.a != 0 && matrix.d != 0; |
- } |
- return TRUE; |
-} |
- |
-FX_BOOL CPDF_RenderStatus::ProcessPath(CPDF_PathObject* pPathObj, |
- const CFX_Matrix* pObj2Device) { |
- int FillType = pPathObj->m_FillType; |
- FX_BOOL bStroke = pPathObj->m_bStroke; |
- ProcessPathPattern(pPathObj, pObj2Device, FillType, bStroke); |
- if (FillType == 0 && !bStroke) |
- return TRUE; |
- |
- uint32_t fill_argb = FillType ? GetFillArgb(pPathObj) : 0; |
- uint32_t stroke_argb = bStroke ? GetStrokeArgb(pPathObj) : 0; |
- CFX_Matrix path_matrix = pPathObj->m_Matrix; |
- path_matrix.Concat(*pObj2Device); |
- if (!IsAvailableMatrix(path_matrix)) |
- return TRUE; |
- |
- if (FillType && (m_Options.m_Flags & RENDER_RECT_AA)) |
- FillType |= FXFILL_RECT_AA; |
- if (m_Options.m_Flags & RENDER_FILL_FULLCOVER) |
- FillType |= FXFILL_FULLCOVER; |
- if (m_Options.m_Flags & RENDER_NOPATHSMOOTH) |
- FillType |= FXFILL_NOPATHSMOOTH; |
- if (bStroke) |
- FillType |= FX_FILL_STROKE; |
- |
- const CPDF_PageObject* pPageObj = |
- static_cast<const CPDF_PageObject*>(pPathObj); |
- if (pPageObj->m_GeneralState.GetStrokeAdjust()) |
- FillType |= FX_STROKE_ADJUST; |
- if (m_pType3Char) |
- FillType |= FX_FILL_TEXT_MODE; |
- |
- CFX_GraphState graphState = pPathObj->m_GraphState; |
- if (m_Options.m_Flags & RENDER_THINLINE) |
- graphState.SetLineWidth(0); |
- return m_pDevice->DrawPathWithBlend( |
- pPathObj->m_Path.GetObject(), &path_matrix, graphState.GetObject(), |
- fill_argb, stroke_argb, FillType, m_curBlend); |
-} |
- |
-CPDF_TransferFunc* CPDF_RenderStatus::GetTransferFunc(CPDF_Object* pObj) const { |
- ASSERT(pObj); |
- CPDF_DocRenderData* pDocCache = m_pContext->GetDocument()->GetRenderData(); |
- return pDocCache ? pDocCache->GetTransferFunc(pObj) : nullptr; |
-} |
- |
-FX_ARGB CPDF_RenderStatus::GetFillArgb(CPDF_PageObject* pObj, |
- FX_BOOL bType3) const { |
- const CPDF_ColorState* pColorState = &pObj->m_ColorState; |
- if (m_pType3Char && !bType3 && |
- (!m_pType3Char->m_bColored || |
- (m_pType3Char->m_bColored && |
- (!*pColorState || pColorState->GetFillColor()->IsNull())))) { |
- return m_T3FillColor; |
- } |
- if (!*pColorState || pColorState->GetFillColor()->IsNull()) |
- pColorState = &m_InitialStates.m_ColorState; |
- |
- FX_COLORREF rgb = pColorState->GetFillRGB(); |
- if (rgb == (uint32_t)-1) |
- return 0; |
- |
- int32_t alpha = |
- static_cast<int32_t>((pObj->m_GeneralState.GetFillAlpha() * 255)); |
- if (pObj->m_GeneralState.GetTR()) { |
- if (!pObj->m_GeneralState.GetTransferFunc()) { |
- pObj->m_GeneralState.SetTransferFunc( |
- GetTransferFunc(pObj->m_GeneralState.GetTR())); |
- } |
- if (pObj->m_GeneralState.GetTransferFunc()) |
- rgb = pObj->m_GeneralState.GetTransferFunc()->TranslateColor(rgb); |
- } |
- return m_Options.TranslateColor(ArgbEncode(alpha, rgb)); |
-} |
- |
-FX_ARGB CPDF_RenderStatus::GetStrokeArgb(CPDF_PageObject* pObj) const { |
- const CPDF_ColorState* pColorState = &pObj->m_ColorState; |
- if (m_pType3Char && |
- (!m_pType3Char->m_bColored || |
- (m_pType3Char->m_bColored && |
- (!*pColorState || pColorState->GetStrokeColor()->IsNull())))) { |
- return m_T3FillColor; |
- } |
- if (!*pColorState || pColorState->GetStrokeColor()->IsNull()) |
- pColorState = &m_InitialStates.m_ColorState; |
- |
- FX_COLORREF rgb = pColorState->GetStrokeRGB(); |
- if (rgb == (uint32_t)-1) |
- return 0; |
- |
- int32_t alpha = static_cast<int32_t>(pObj->m_GeneralState.GetStrokeAlpha() * |
- 255); // not rounded. |
- if (pObj->m_GeneralState.GetTR()) { |
- if (!pObj->m_GeneralState.GetTransferFunc()) { |
- pObj->m_GeneralState.SetTransferFunc( |
- GetTransferFunc(pObj->m_GeneralState.GetTR())); |
- } |
- if (pObj->m_GeneralState.GetTransferFunc()) |
- rgb = pObj->m_GeneralState.GetTransferFunc()->TranslateColor(rgb); |
- } |
- return m_Options.TranslateColor(ArgbEncode(alpha, rgb)); |
-} |
-void CPDF_RenderStatus::ProcessClipPath(CPDF_ClipPath ClipPath, |
- const CFX_Matrix* pObj2Device) { |
- if (!ClipPath) { |
- if (m_LastClipPath) { |
- m_pDevice->RestoreState(true); |
- m_LastClipPath.SetNull(); |
- } |
- return; |
- } |
- if (m_LastClipPath == ClipPath) |
- return; |
- |
- m_LastClipPath = ClipPath; |
- m_pDevice->RestoreState(true); |
- int nClipPath = ClipPath.GetPathCount(); |
- for (int i = 0; i < nClipPath; ++i) { |
- const CFX_PathData* pPathData = ClipPath.GetPath(i).GetObject(); |
- if (!pPathData) |
- continue; |
- |
- if (pPathData->GetPointCount() == 0) { |
- CFX_PathData EmptyPath; |
- EmptyPath.AppendRect(-1, -1, 0, 0); |
- int fill_mode = FXFILL_WINDING; |
- m_pDevice->SetClip_PathFill(&EmptyPath, nullptr, fill_mode); |
- } else { |
- int ClipType = ClipPath.GetClipType(i); |
- m_pDevice->SetClip_PathFill(pPathData, pObj2Device, ClipType); |
- } |
- } |
- int textcount = ClipPath.GetTextCount(); |
- if (textcount == 0) |
- return; |
- |
- if (m_pDevice->GetDeviceClass() == FXDC_DISPLAY && |
- !(m_pDevice->GetDeviceCaps(FXDC_RENDER_CAPS) & FXRC_SOFT_CLIP)) { |
- return; |
- } |
- |
- std::unique_ptr<CFX_PathData> pTextClippingPath; |
- for (int i = 0; i < textcount; ++i) { |
- CPDF_TextObject* pText = ClipPath.GetText(i); |
- if (pText) { |
- if (!pTextClippingPath) |
- pTextClippingPath.reset(new CFX_PathData); |
- ProcessText(pText, pObj2Device, pTextClippingPath.get()); |
- continue; |
- } |
- |
- if (!pTextClippingPath) |
- continue; |
- |
- int fill_mode = FXFILL_WINDING; |
- if (m_Options.m_Flags & RENDER_NOTEXTSMOOTH) |
- fill_mode |= FXFILL_NOPATHSMOOTH; |
- m_pDevice->SetClip_PathFill(pTextClippingPath.get(), nullptr, fill_mode); |
- pTextClippingPath.reset(); |
- } |
-} |
- |
-void CPDF_RenderStatus::DrawClipPath(CPDF_ClipPath ClipPath, |
- const CFX_Matrix* pObj2Device) { |
- if (!ClipPath) |
- return; |
- |
- int fill_mode = 0; |
- if (m_Options.m_Flags & RENDER_NOPATHSMOOTH) { |
- fill_mode |= FXFILL_NOPATHSMOOTH; |
- } |
- int nClipPath = ClipPath.GetPathCount(); |
- int i; |
- for (i = 0; i < nClipPath; i++) { |
- const CFX_PathData* pPathData = ClipPath.GetPath(i).GetObject(); |
- if (!pPathData) { |
- continue; |
- } |
- CFX_GraphStateData stroke_state; |
- if (m_Options.m_Flags & RENDER_THINLINE) { |
- stroke_state.m_LineWidth = 0; |
- } |
- m_pDevice->DrawPath(pPathData, pObj2Device, &stroke_state, 0, 0xffff0000, |
- fill_mode); |
- } |
-} |
-FX_BOOL CPDF_RenderStatus::SelectClipPath(const CPDF_PathObject* pPathObj, |
- const CFX_Matrix* pObj2Device, |
- FX_BOOL bStroke) { |
- CFX_Matrix path_matrix = pPathObj->m_Matrix; |
- path_matrix.Concat(*pObj2Device); |
- if (bStroke) { |
- CFX_GraphState graphState = pPathObj->m_GraphState; |
- if (m_Options.m_Flags & RENDER_THINLINE) |
- graphState.SetLineWidth(0); |
- return m_pDevice->SetClip_PathStroke(pPathObj->m_Path.GetObject(), |
- &path_matrix, graphState.GetObject()); |
- } |
- int fill_mode = pPathObj->m_FillType; |
- if (m_Options.m_Flags & RENDER_NOPATHSMOOTH) { |
- fill_mode |= FXFILL_NOPATHSMOOTH; |
- } |
- return m_pDevice->SetClip_PathFill(pPathObj->m_Path.GetObject(), &path_matrix, |
- fill_mode); |
-} |
-FX_BOOL CPDF_RenderStatus::ProcessTransparency(CPDF_PageObject* pPageObj, |
- const CFX_Matrix* pObj2Device) { |
-#if defined _SKIA_SUPPORT_ |
- DebugVerifyDeviceIsPreMultiplied(); |
-#endif |
- int blend_type = pPageObj->m_GeneralState.GetBlendType(); |
- if (blend_type == FXDIB_BLEND_UNSUPPORTED) |
- return TRUE; |
- |
- CPDF_Dictionary* pSMaskDict = |
- ToDictionary(pPageObj->m_GeneralState.GetSoftMask()); |
- if (pSMaskDict) { |
- if (pPageObj->IsImage() && |
- pPageObj->AsImage()->GetImage()->GetDict()->KeyExist("SMask")) { |
- pSMaskDict = nullptr; |
- } |
- } |
- CPDF_Dictionary* pFormResource = nullptr; |
- FX_FLOAT group_alpha = 1.0f; |
- int Transparency = m_Transparency; |
- FX_BOOL bGroupTransparent = FALSE; |
- if (pPageObj->IsForm()) { |
- const CPDF_FormObject* pFormObj = pPageObj->AsForm(); |
- group_alpha = pFormObj->m_GeneralState.GetFillAlpha(); |
- Transparency = pFormObj->m_pForm->m_Transparency; |
- bGroupTransparent = !!(Transparency & PDFTRANS_ISOLATED); |
- if (pFormObj->m_pForm->m_pFormDict) { |
- pFormResource = pFormObj->m_pForm->m_pFormDict->GetDictFor("Resources"); |
- } |
- } |
- bool bTextClip = |
- (pPageObj->m_ClipPath && pPageObj->m_ClipPath.GetTextCount() && |
- m_pDevice->GetDeviceClass() == FXDC_DISPLAY && |
- !(m_pDevice->GetDeviceCaps(FXDC_RENDER_CAPS) & FXRC_SOFT_CLIP)); |
- if ((m_Options.m_Flags & RENDER_OVERPRINT) && pPageObj->IsImage() && |
- pPageObj->m_GeneralState.GetFillOP() && |
- pPageObj->m_GeneralState.GetStrokeOP()) { |
- CPDF_Document* pDocument = nullptr; |
- CPDF_Page* pPage = nullptr; |
- if (m_pContext->GetPageCache()) { |
- pPage = m_pContext->GetPageCache()->GetPage(); |
- pDocument = pPage->m_pDocument; |
- } else { |
- pDocument = pPageObj->AsImage()->GetImage()->GetDocument(); |
- } |
- CPDF_Dictionary* pPageResources = pPage ? pPage->m_pPageResources : nullptr; |
- CPDF_Object* pCSObj = pPageObj->AsImage() |
- ->GetImage() |
- ->GetStream() |
- ->GetDict() |
- ->GetDirectObjectFor("ColorSpace"); |
- CPDF_ColorSpace* pColorSpace = |
- pDocument->LoadColorSpace(pCSObj, pPageResources); |
- if (pColorSpace) { |
- int format = pColorSpace->GetFamily(); |
- if (format == PDFCS_DEVICECMYK || format == PDFCS_SEPARATION || |
- format == PDFCS_DEVICEN) { |
- blend_type = FXDIB_BLEND_DARKEN; |
- } |
- pDocument->GetPageData()->ReleaseColorSpace(pCSObj); |
- } |
- } |
- if (!pSMaskDict && group_alpha == 1.0f && blend_type == FXDIB_BLEND_NORMAL && |
- !bTextClip && !bGroupTransparent) { |
- return FALSE; |
- } |
- bool isolated = !!(Transparency & PDFTRANS_ISOLATED); |
- if (m_bPrint) { |
- FX_BOOL bRet = FALSE; |
- int rendCaps = m_pDevice->GetRenderCaps(); |
- if (!((Transparency & PDFTRANS_ISOLATED) || pSMaskDict || bTextClip) && |
- (rendCaps & FXRC_BLEND_MODE)) { |
- int oldBlend = m_curBlend; |
- m_curBlend = blend_type; |
- bRet = DrawObjWithBlend(pPageObj, pObj2Device); |
- m_curBlend = oldBlend; |
- } |
- if (!bRet) { |
- DrawObjWithBackground(pPageObj, pObj2Device); |
- } |
- return TRUE; |
- } |
- FX_RECT rect = pPageObj->GetBBox(pObj2Device); |
- rect.Intersect(m_pDevice->GetClipBox()); |
- if (rect.IsEmpty()) { |
- return TRUE; |
- } |
- CFX_Matrix deviceCTM = m_pDevice->GetCTM(); |
- FX_FLOAT scaleX = FXSYS_fabs(deviceCTM.a); |
- FX_FLOAT scaleY = FXSYS_fabs(deviceCTM.d); |
- int width = FXSYS_round((FX_FLOAT)rect.Width() * scaleX); |
- int height = FXSYS_round((FX_FLOAT)rect.Height() * scaleY); |
- CFX_FxgeDevice bitmap_device; |
- std::unique_ptr<CFX_DIBitmap> oriDevice; |
- if (!isolated && (m_pDevice->GetRenderCaps() & FXRC_GET_BITS)) { |
- oriDevice.reset(new CFX_DIBitmap); |
- if (!m_pDevice->CreateCompatibleBitmap(oriDevice.get(), width, height)) |
- return TRUE; |
- m_pDevice->GetDIBits(oriDevice.get(), rect.left, rect.top); |
- } |
- if (!bitmap_device.Create(width, height, FXDIB_Argb, oriDevice.get())) |
- return TRUE; |
- CFX_DIBitmap* bitmap = bitmap_device.GetBitmap(); |
- bitmap->Clear(0); |
- CFX_Matrix new_matrix = *pObj2Device; |
- new_matrix.TranslateI(-rect.left, -rect.top); |
- new_matrix.Scale(scaleX, scaleY); |
- std::unique_ptr<CFX_DIBitmap> pTextMask; |
- if (bTextClip) { |
- pTextMask.reset(new CFX_DIBitmap); |
- if (!pTextMask->Create(width, height, FXDIB_8bppMask)) |
- return TRUE; |
- |
- pTextMask->Clear(0); |
- CFX_FxgeDevice text_device; |
- text_device.Attach(pTextMask.get(), false, nullptr, false); |
- for (uint32_t i = 0; i < pPageObj->m_ClipPath.GetTextCount(); i++) { |
- CPDF_TextObject* textobj = pPageObj->m_ClipPath.GetText(i); |
- if (!textobj) { |
- break; |
- } |
- CFX_Matrix text_matrix; |
- textobj->GetTextMatrix(&text_matrix); |
- CPDF_TextRenderer::DrawTextPath( |
- &text_device, textobj->m_nChars, textobj->m_pCharCodes, |
- textobj->m_pCharPos, textobj->m_TextState.GetFont(), |
- textobj->m_TextState.GetFontSize(), &text_matrix, &new_matrix, |
- textobj->m_GraphState.GetObject(), (FX_ARGB)-1, 0, nullptr, 0); |
- } |
- } |
- CPDF_RenderStatus bitmap_render; |
- bitmap_render.Initialize(m_pContext, &bitmap_device, nullptr, m_pStopObj, |
- nullptr, nullptr, &m_Options, 0, m_bDropObjects, |
- pFormResource, TRUE); |
- bitmap_render.ProcessObjectNoClip(pPageObj, &new_matrix); |
- m_bStopped = bitmap_render.m_bStopped; |
- if (pSMaskDict) { |
- CFX_Matrix smask_matrix = *pPageObj->m_GeneralState.GetSMaskMatrix(); |
- smask_matrix.Concat(*pObj2Device); |
- std::unique_ptr<CFX_DIBSource> pSMaskSource( |
- LoadSMask(pSMaskDict, &rect, &smask_matrix)); |
- if (pSMaskSource) |
- bitmap->MultiplyAlpha(pSMaskSource.get()); |
- } |
- if (pTextMask) { |
- bitmap->MultiplyAlpha(pTextMask.get()); |
- pTextMask.reset(); |
- } |
- int32_t blitAlpha = 255; |
- if (Transparency & PDFTRANS_GROUP && group_alpha != 1.0f) { |
- blitAlpha = (int32_t)(group_alpha * 255); |
-#ifndef _SKIA_SUPPORT_ |
- bitmap->MultiplyAlpha(blitAlpha); |
- blitAlpha = 255; |
-#endif |
- } |
- Transparency = m_Transparency; |
- if (pPageObj->IsForm()) { |
- Transparency |= PDFTRANS_GROUP; |
- } |
- CompositeDIBitmap(bitmap, rect.left, rect.top, 0, blitAlpha, blend_type, |
- Transparency); |
-#if defined _SKIA_SUPPORT_ |
- DebugVerifyDeviceIsPreMultiplied(); |
-#endif |
- return TRUE; |
-} |
- |
-CFX_DIBitmap* CPDF_RenderStatus::GetBackdrop(const CPDF_PageObject* pObj, |
- const FX_RECT& rect, |
- int& left, |
- int& top, |
- FX_BOOL bBackAlphaRequired) { |
- FX_RECT bbox = rect; |
- bbox.Intersect(m_pDevice->GetClipBox()); |
- left = bbox.left; |
- top = bbox.top; |
- CFX_Matrix deviceCTM = m_pDevice->GetCTM(); |
- FX_FLOAT scaleX = FXSYS_fabs(deviceCTM.a); |
- FX_FLOAT scaleY = FXSYS_fabs(deviceCTM.d); |
- int width = FXSYS_round(bbox.Width() * scaleX); |
- int height = FXSYS_round(bbox.Height() * scaleY); |
- std::unique_ptr<CFX_DIBitmap> pBackdrop(new CFX_DIBitmap); |
- if (bBackAlphaRequired && !m_bDropObjects) |
- pBackdrop->Create(width, height, FXDIB_Argb); |
- else |
- m_pDevice->CreateCompatibleBitmap(pBackdrop.get(), width, height); |
- |
- if (!pBackdrop->GetBuffer()) |
- return nullptr; |
- |
- FX_BOOL bNeedDraw; |
- if (pBackdrop->HasAlpha()) |
- bNeedDraw = !(m_pDevice->GetRenderCaps() & FXRC_ALPHA_OUTPUT); |
- else |
- bNeedDraw = !(m_pDevice->GetRenderCaps() & FXRC_GET_BITS); |
- |
- if (!bNeedDraw) { |
- m_pDevice->GetDIBits(pBackdrop.get(), left, top); |
- return pBackdrop.release(); |
- } |
- |
- CFX_Matrix FinalMatrix = m_DeviceMatrix; |
- FinalMatrix.TranslateI(-left, -top); |
- FinalMatrix.Scale(scaleX, scaleY); |
- pBackdrop->Clear(pBackdrop->HasAlpha() ? 0 : 0xffffffff); |
- CFX_FxgeDevice device; |
- device.Attach(pBackdrop.get(), false, nullptr, false); |
- m_pContext->Render(&device, pObj, &m_Options, &FinalMatrix); |
- return pBackdrop.release(); |
-} |
- |
-void CPDF_RenderContext::GetBackground(CFX_DIBitmap* pBuffer, |
- const CPDF_PageObject* pObj, |
- const CPDF_RenderOptions* pOptions, |
- CFX_Matrix* pFinalMatrix) { |
- CFX_FxgeDevice device; |
- device.Attach(pBuffer, false, nullptr, false); |
- |
- FX_RECT rect(0, 0, device.GetWidth(), device.GetHeight()); |
- device.FillRect(&rect, 0xffffffff); |
- Render(&device, pObj, pOptions, pFinalMatrix); |
-} |
-CPDF_GraphicStates* CPDF_RenderStatus::CloneObjStates( |
- const CPDF_GraphicStates* pSrcStates, |
- FX_BOOL bStroke) { |
- if (!pSrcStates) |
- return nullptr; |
- |
- CPDF_GraphicStates* pStates = new CPDF_GraphicStates; |
- pStates->CopyStates(*pSrcStates); |
- const CPDF_Color* pObjColor = bStroke |
- ? pSrcStates->m_ColorState.GetStrokeColor() |
- : pSrcStates->m_ColorState.GetFillColor(); |
- if (!pObjColor->IsNull()) { |
- pStates->m_ColorState.SetFillRGB( |
- bStroke ? pSrcStates->m_ColorState.GetStrokeRGB() |
- : pSrcStates->m_ColorState.GetFillRGB()); |
- pStates->m_ColorState.SetStrokeRGB(pStates->m_ColorState.GetFillRGB()); |
- } |
- return pStates; |
-} |
- |
-CPDF_RenderContext::CPDF_RenderContext(CPDF_Page* pPage) |
- : m_pDocument(pPage->m_pDocument), |
- m_pPageResources(pPage->m_pPageResources), |
- m_pPageCache(pPage->GetRenderCache()) {} |
- |
-CPDF_RenderContext::CPDF_RenderContext(CPDF_Document* pDoc, |
- CPDF_PageRenderCache* pPageCache) |
- : m_pDocument(pDoc), m_pPageResources(nullptr), m_pPageCache(pPageCache) {} |
- |
-CPDF_RenderContext::~CPDF_RenderContext() {} |
- |
-void CPDF_RenderContext::AppendLayer(CPDF_PageObjectHolder* pObjectHolder, |
- const CFX_Matrix* pObject2Device) { |
- Layer* pLayer = m_Layers.AddSpace(); |
- pLayer->m_pObjectHolder = pObjectHolder; |
- if (pObject2Device) { |
- pLayer->m_Matrix = *pObject2Device; |
- } else { |
- pLayer->m_Matrix.SetIdentity(); |
- } |
-} |
-void CPDF_RenderContext::Render(CFX_RenderDevice* pDevice, |
- const CPDF_RenderOptions* pOptions, |
- const CFX_Matrix* pLastMatrix) { |
- Render(pDevice, nullptr, pOptions, pLastMatrix); |
-} |
-void CPDF_RenderContext::Render(CFX_RenderDevice* pDevice, |
- const CPDF_PageObject* pStopObj, |
- const CPDF_RenderOptions* pOptions, |
- const CFX_Matrix* pLastMatrix) { |
- int count = m_Layers.GetSize(); |
- for (int j = 0; j < count; j++) { |
- pDevice->SaveState(); |
- Layer* pLayer = m_Layers.GetDataPtr(j); |
- if (pLastMatrix) { |
- CFX_Matrix FinalMatrix = pLayer->m_Matrix; |
- FinalMatrix.Concat(*pLastMatrix); |
- CPDF_RenderStatus status; |
- status.Initialize(this, pDevice, pLastMatrix, pStopObj, nullptr, nullptr, |
- pOptions, pLayer->m_pObjectHolder->m_Transparency, |
- FALSE, nullptr); |
- status.RenderObjectList(pLayer->m_pObjectHolder, &FinalMatrix); |
- if (status.m_Options.m_Flags & RENDER_LIMITEDIMAGECACHE) { |
- m_pPageCache->CacheOptimization(status.m_Options.m_dwLimitCacheSize); |
- } |
- if (status.m_bStopped) { |
- pDevice->RestoreState(false); |
- break; |
- } |
- } else { |
- CPDF_RenderStatus status; |
- status.Initialize(this, pDevice, nullptr, pStopObj, nullptr, nullptr, |
- pOptions, pLayer->m_pObjectHolder->m_Transparency, |
- FALSE, nullptr); |
- status.RenderObjectList(pLayer->m_pObjectHolder, &pLayer->m_Matrix); |
- if (status.m_Options.m_Flags & RENDER_LIMITEDIMAGECACHE) { |
- m_pPageCache->CacheOptimization(status.m_Options.m_dwLimitCacheSize); |
- } |
- if (status.m_bStopped) { |
- pDevice->RestoreState(false); |
- break; |
- } |
- } |
- pDevice->RestoreState(false); |
- } |
-} |
- |
-CPDF_ProgressiveRenderer::CPDF_ProgressiveRenderer( |
- CPDF_RenderContext* pContext, |
- CFX_RenderDevice* pDevice, |
- const CPDF_RenderOptions* pOptions) |
- : m_Status(Ready), |
- m_pContext(pContext), |
- m_pDevice(pDevice), |
- m_pOptions(pOptions), |
- m_LayerIndex(0), |
- m_pCurrentLayer(nullptr) {} |
- |
-CPDF_ProgressiveRenderer::~CPDF_ProgressiveRenderer() { |
- if (m_pRenderStatus) |
- m_pDevice->RestoreState(false); |
-} |
- |
-void CPDF_ProgressiveRenderer::Start(IFX_Pause* pPause) { |
- if (!m_pContext || !m_pDevice || m_Status != Ready) { |
- m_Status = Failed; |
- return; |
- } |
- m_Status = ToBeContinued; |
- Continue(pPause); |
-} |
- |
-void CPDF_ProgressiveRenderer::Continue(IFX_Pause* pPause) { |
- while (m_Status == ToBeContinued) { |
- if (!m_pCurrentLayer) { |
- if (m_LayerIndex >= m_pContext->CountLayers()) { |
- m_Status = Done; |
- return; |
- } |
- m_pCurrentLayer = m_pContext->GetLayer(m_LayerIndex); |
- m_LastObjectRendered = |
- m_pCurrentLayer->m_pObjectHolder->GetPageObjectList()->end(); |
- m_pRenderStatus.reset(new CPDF_RenderStatus()); |
- m_pRenderStatus->Initialize( |
- m_pContext, m_pDevice, nullptr, nullptr, nullptr, nullptr, m_pOptions, |
- m_pCurrentLayer->m_pObjectHolder->m_Transparency, FALSE, nullptr); |
- m_pDevice->SaveState(); |
- m_ClipRect = CFX_FloatRect(m_pDevice->GetClipBox()); |
- CFX_Matrix device2object; |
- device2object.SetReverse(m_pCurrentLayer->m_Matrix); |
- device2object.TransformRect(m_ClipRect); |
- } |
- CPDF_PageObjectList::iterator iter; |
- CPDF_PageObjectList::iterator iterEnd = |
- m_pCurrentLayer->m_pObjectHolder->GetPageObjectList()->end(); |
- if (m_LastObjectRendered != iterEnd) { |
- iter = m_LastObjectRendered; |
- ++iter; |
- } else { |
- iter = m_pCurrentLayer->m_pObjectHolder->GetPageObjectList()->begin(); |
- } |
- int nObjsToGo = kStepLimit; |
- 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 && |
- pCurObj->m_Top >= m_ClipRect.bottom) { |
- if (m_pRenderStatus->ContinueSingleObject( |
- pCurObj, &m_pCurrentLayer->m_Matrix, pPause)) { |
- return; |
- } |
- if (pCurObj->IsImage() && |
- m_pRenderStatus->m_Options.m_Flags & RENDER_LIMITEDIMAGECACHE) { |
- m_pContext->GetPageCache()->CacheOptimization( |
- m_pRenderStatus->m_Options.m_dwLimitCacheSize); |
- } |
- if (pCurObj->IsForm() || pCurObj->IsShading()) { |
- nObjsToGo = 0; |
- } else { |
- --nObjsToGo; |
- } |
- } |
- m_LastObjectRendered = iter; |
- if (nObjsToGo == 0) { |
- if (pPause && pPause->NeedToPauseNow()) |
- return; |
- nObjsToGo = kStepLimit; |
- } |
- ++iter; |
- } |
- if (m_pCurrentLayer->m_pObjectHolder->IsParsed()) { |
- m_pRenderStatus.reset(); |
- m_pDevice->RestoreState(false); |
- m_pCurrentLayer = nullptr; |
- m_LayerIndex++; |
- if (pPause && pPause->NeedToPauseNow()) { |
- return; |
- } |
- } else { |
- m_pCurrentLayer->m_pObjectHolder->ContinueParse(pPause); |
- if (!m_pCurrentLayer->m_pObjectHolder->IsParsed()) |
- return; |
- } |
- } |
-} |
- |
-CPDF_TransferFunc* CPDF_DocRenderData::GetTransferFunc(CPDF_Object* pObj) { |
- if (!pObj) |
- return nullptr; |
- |
- auto it = m_TransferFuncMap.find(pObj); |
- if (it != m_TransferFuncMap.end()) { |
- CPDF_CountedObject<CPDF_TransferFunc>* pTransferCounter = it->second; |
- return pTransferCounter->AddRef(); |
- } |
- |
- std::unique_ptr<CPDF_Function> pFuncs[3]; |
- FX_BOOL bUniTransfer = TRUE; |
- FX_BOOL bIdentity = TRUE; |
- if (CPDF_Array* pArray = pObj->AsArray()) { |
- bUniTransfer = FALSE; |
- if (pArray->GetCount() < 3) |
- return nullptr; |
- |
- for (uint32_t i = 0; i < 3; ++i) { |
- pFuncs[2 - i] = CPDF_Function::Load(pArray->GetDirectObjectAt(i)); |
- if (!pFuncs[2 - i]) |
- return nullptr; |
- } |
- } else { |
- pFuncs[0] = CPDF_Function::Load(pObj); |
- if (!pFuncs[0]) |
- return nullptr; |
- } |
- CPDF_TransferFunc* pTransfer = new CPDF_TransferFunc(m_pPDFDoc); |
- CPDF_CountedObject<CPDF_TransferFunc>* pTransferCounter = |
- new CPDF_CountedObject<CPDF_TransferFunc>(pTransfer); |
- m_TransferFuncMap[pObj] = pTransferCounter; |
- static const int kMaxOutputs = 16; |
- FX_FLOAT output[kMaxOutputs]; |
- FXSYS_memset(output, 0, sizeof(output)); |
- FX_FLOAT input; |
- int noutput; |
- for (int v = 0; v < 256; ++v) { |
- input = (FX_FLOAT)v / 255.0f; |
- if (bUniTransfer) { |
- if (pFuncs[0] && pFuncs[0]->CountOutputs() <= kMaxOutputs) |
- pFuncs[0]->Call(&input, 1, output, noutput); |
- int o = FXSYS_round(output[0] * 255); |
- if (o != v) |
- bIdentity = FALSE; |
- for (int i = 0; i < 3; ++i) { |
- pTransfer->m_Samples[i * 256 + v] = o; |
- } |
- } else { |
- for (int i = 0; i < 3; ++i) { |
- if (pFuncs[i] && pFuncs[i]->CountOutputs() <= kMaxOutputs) { |
- pFuncs[i]->Call(&input, 1, output, noutput); |
- int o = FXSYS_round(output[0] * 255); |
- if (o != v) |
- bIdentity = FALSE; |
- pTransfer->m_Samples[i * 256 + v] = o; |
- } else { |
- pTransfer->m_Samples[i * 256 + v] = v; |
- } |
- } |
- } |
- } |
- |
- pTransfer->m_bIdentity = bIdentity; |
- return pTransferCounter->AddRef(); |
-} |
- |
-void CPDF_DocRenderData::ReleaseTransferFunc(CPDF_Object* pObj) { |
- auto it = m_TransferFuncMap.find(pObj); |
- if (it != m_TransferFuncMap.end()) |
- it->second->RemoveRef(); |
-} |
- |
-CPDF_DeviceBuffer::CPDF_DeviceBuffer() |
- : m_pDevice(nullptr), m_pContext(nullptr), m_pObject(nullptr) {} |
- |
-CPDF_DeviceBuffer::~CPDF_DeviceBuffer() {} |
- |
-FX_BOOL CPDF_DeviceBuffer::Initialize(CPDF_RenderContext* pContext, |
- CFX_RenderDevice* pDevice, |
- FX_RECT* pRect, |
- const CPDF_PageObject* pObj, |
- int max_dpi) { |
- m_pDevice = pDevice; |
- m_pContext = pContext; |
- m_Rect = *pRect; |
- m_pObject = pObj; |
- m_Matrix.TranslateI(-pRect->left, -pRect->top); |
-#if _FXM_PLATFORM_ != _FXM_PLATFORM_APPLE_ |
- int horz_size = pDevice->GetDeviceCaps(FXDC_HORZ_SIZE); |
- int vert_size = pDevice->GetDeviceCaps(FXDC_VERT_SIZE); |
- if (horz_size && vert_size && max_dpi) { |
- int dpih = |
- pDevice->GetDeviceCaps(FXDC_PIXEL_WIDTH) * 254 / (horz_size * 10); |
- int dpiv = |
- pDevice->GetDeviceCaps(FXDC_PIXEL_HEIGHT) * 254 / (vert_size * 10); |
- if (dpih > max_dpi) { |
- m_Matrix.Scale((FX_FLOAT)(max_dpi) / dpih, 1.0f); |
- } |
- if (dpiv > max_dpi) { |
- m_Matrix.Scale(1.0f, (FX_FLOAT)(max_dpi) / (FX_FLOAT)dpiv); |
- } |
- } |
-#endif |
- CFX_Matrix ctm = m_pDevice->GetCTM(); |
- FX_FLOAT fScaleX = FXSYS_fabs(ctm.a); |
- FX_FLOAT fScaleY = FXSYS_fabs(ctm.d); |
- m_Matrix.Concat(fScaleX, 0, 0, fScaleY, 0, 0); |
- CFX_FloatRect rect(*pRect); |
- m_Matrix.TransformRect(rect); |
- FX_RECT bitmap_rect = rect.GetOuterRect(); |
- m_pBitmap.reset(new CFX_DIBitmap); |
- m_pBitmap->Create(bitmap_rect.Width(), bitmap_rect.Height(), FXDIB_Argb); |
- return TRUE; |
-} |
-void CPDF_DeviceBuffer::OutputToDevice() { |
- if (m_pDevice->GetDeviceCaps(FXDC_RENDER_CAPS) & FXRC_GET_BITS) { |
- if (m_Matrix.a == 1.0f && m_Matrix.d == 1.0f) { |
- m_pDevice->SetDIBits(m_pBitmap.get(), m_Rect.left, m_Rect.top); |
- } else { |
- m_pDevice->StretchDIBits(m_pBitmap.get(), m_Rect.left, m_Rect.top, |
- m_Rect.Width(), m_Rect.Height()); |
- } |
- } else { |
- CFX_DIBitmap buffer; |
- m_pDevice->CreateCompatibleBitmap(&buffer, m_pBitmap->GetWidth(), |
- m_pBitmap->GetHeight()); |
- m_pContext->GetBackground(&buffer, m_pObject, nullptr, &m_Matrix); |
- buffer.CompositeBitmap(0, 0, buffer.GetWidth(), buffer.GetHeight(), |
- m_pBitmap.get(), 0, 0); |
- m_pDevice->StretchDIBits(&buffer, m_Rect.left, m_Rect.top, m_Rect.Width(), |
- m_Rect.Height()); |
- } |
-} |
- |
-CPDF_ScaledRenderBuffer::CPDF_ScaledRenderBuffer() {} |
- |
-CPDF_ScaledRenderBuffer::~CPDF_ScaledRenderBuffer() {} |
- |
-#define _FPDFAPI_IMAGESIZE_LIMIT_ (30 * 1024 * 1024) |
-FX_BOOL CPDF_ScaledRenderBuffer::Initialize(CPDF_RenderContext* pContext, |
- CFX_RenderDevice* pDevice, |
- const FX_RECT& pRect, |
- const CPDF_PageObject* pObj, |
- const CPDF_RenderOptions* pOptions, |
- int max_dpi) { |
- m_pDevice = pDevice; |
- if (m_pDevice->GetDeviceCaps(FXDC_RENDER_CAPS) & FXRC_GET_BITS) { |
- return TRUE; |
- } |
- m_pContext = pContext; |
- m_Rect = pRect; |
- m_pObject = pObj; |
- m_Matrix.TranslateI(-pRect.left, -pRect.top); |
- int horz_size = pDevice->GetDeviceCaps(FXDC_HORZ_SIZE); |
- int vert_size = pDevice->GetDeviceCaps(FXDC_VERT_SIZE); |
- if (horz_size && vert_size && max_dpi) { |
- int dpih = |
- pDevice->GetDeviceCaps(FXDC_PIXEL_WIDTH) * 254 / (horz_size * 10); |
- int dpiv = |
- pDevice->GetDeviceCaps(FXDC_PIXEL_HEIGHT) * 254 / (vert_size * 10); |
- if (dpih > max_dpi) { |
- m_Matrix.Scale((FX_FLOAT)(max_dpi) / dpih, 1.0f); |
- } |
- if (dpiv > max_dpi) { |
- m_Matrix.Scale(1.0f, (FX_FLOAT)(max_dpi) / (FX_FLOAT)dpiv); |
- } |
- } |
- m_pBitmapDevice.reset(new CFX_FxgeDevice); |
- FXDIB_Format dibFormat = FXDIB_Rgb; |
- int32_t bpp = 24; |
- if (m_pDevice->GetDeviceCaps(FXDC_RENDER_CAPS) & FXRC_ALPHA_OUTPUT) { |
- dibFormat = FXDIB_Argb; |
- bpp = 32; |
- } |
- while (1) { |
- CFX_FloatRect rect(pRect); |
- m_Matrix.TransformRect(rect); |
- FX_RECT bitmap_rect = rect.GetOuterRect(); |
- int32_t iWidth = bitmap_rect.Width(); |
- int32_t iHeight = bitmap_rect.Height(); |
- int32_t iPitch = (iWidth * bpp + 31) / 32 * 4; |
- if (iWidth * iHeight < 1) |
- return FALSE; |
- |
- if (iPitch * iHeight <= _FPDFAPI_IMAGESIZE_LIMIT_ && |
- m_pBitmapDevice->Create(iWidth, iHeight, dibFormat, nullptr)) { |
- break; |
- } |
- m_Matrix.Scale(0.5f, 0.5f); |
- } |
- m_pContext->GetBackground(m_pBitmapDevice->GetBitmap(), m_pObject, pOptions, |
- &m_Matrix); |
- return TRUE; |
-} |
-void CPDF_ScaledRenderBuffer::OutputToDevice() { |
- if (m_pBitmapDevice) { |
- m_pDevice->StretchDIBits(m_pBitmapDevice->GetBitmap(), m_Rect.left, |
- m_Rect.top, m_Rect.Width(), m_Rect.Height()); |
- } |
-} |
- |
-#if defined _SKIA_SUPPORT_ |
-void CPDF_RenderStatus::DebugVerifyDeviceIsPreMultiplied() const { |
- m_pDevice->DebugVerifyBitmapIsPreMultiplied(); |
-} |
-#endif |