diff options
author | dsinclair <dsinclair@chromium.org> | 2016-10-04 12:18:35 -0700 |
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committer | Commit bot <commit-bot@chromium.org> | 2016-10-04 12:18:35 -0700 |
commit | 69d9c68e705afa7a4008feb9bbeb19cea887ed47 (patch) | |
tree | b5509c51aeeb89c99c7a4e0a60f8e5f29af5245c /core/fpdfapi/fpdf_render/fpdf_render.cpp | |
parent | 488b7ad845d6de212d89cd957303b294ecfa5922 (diff) | |
download | pdfium-69d9c68e705afa7a4008feb9bbeb19cea887ed47.tar.xz |
Move core/fpdfapi/fpdf_render to core/fpdfapi/render
BUG=pdfium:603
Review-Url: https://codereview.chromium.org/2393593002
Diffstat (limited to 'core/fpdfapi/fpdf_render/fpdf_render.cpp')
-rw-r--r-- | core/fpdfapi/fpdf_render/fpdf_render.cpp | 1289 |
1 files changed, 0 insertions, 1289 deletions
diff --git a/core/fpdfapi/fpdf_render/fpdf_render.cpp b/core/fpdfapi/fpdf_render/fpdf_render.cpp deleted file mode 100644 index ff300f6090..0000000000 --- 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 |