14d3acf4ec42bf6e838f9060103aff98fbf170794Philip P. Moltmann// Copyright 2016 PDFium Authors. All rights reserved. 24d3acf4ec42bf6e838f9060103aff98fbf170794Philip P. Moltmann// Use of this source code is governed by a BSD-style license that can be 34d3acf4ec42bf6e838f9060103aff98fbf170794Philip P. Moltmann// found in the LICENSE file. 44d3acf4ec42bf6e838f9060103aff98fbf170794Philip P. Moltmann 54d3acf4ec42bf6e838f9060103aff98fbf170794Philip P. Moltmann// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com 64d3acf4ec42bf6e838f9060103aff98fbf170794Philip P. Moltmann 74d3acf4ec42bf6e838f9060103aff98fbf170794Philip P. Moltmann#include "core/fpdfapi/render/cpdf_rendercontext.h" 84d3acf4ec42bf6e838f9060103aff98fbf170794Philip P. Moltmann 94d3acf4ec42bf6e838f9060103aff98fbf170794Philip P. Moltmann#include "core/fpdfapi/page/cpdf_page.h" 104d3acf4ec42bf6e838f9060103aff98fbf170794Philip P. Moltmann#include "core/fpdfapi/page/cpdf_pageobject.h" 114d3acf4ec42bf6e838f9060103aff98fbf170794Philip P. Moltmann#include "core/fpdfapi/page/cpdf_pageobjectholder.h" 124d3acf4ec42bf6e838f9060103aff98fbf170794Philip P. Moltmann#include "core/fpdfapi/parser/cpdf_dictionary.h" 134d3acf4ec42bf6e838f9060103aff98fbf170794Philip P. Moltmann#include "core/fpdfapi/parser/cpdf_document.h" 144d3acf4ec42bf6e838f9060103aff98fbf170794Philip P. Moltmann#include "core/fpdfapi/render/cpdf_pagerendercache.h" 154d3acf4ec42bf6e838f9060103aff98fbf170794Philip P. Moltmann#include "core/fpdfapi/render/cpdf_progressiverenderer.h" 164d3acf4ec42bf6e838f9060103aff98fbf170794Philip P. Moltmann#include "core/fpdfapi/render/cpdf_renderoptions.h" 174d3acf4ec42bf6e838f9060103aff98fbf170794Philip P. Moltmann#include "core/fpdfapi/render/cpdf_renderstatus.h" 184d3acf4ec42bf6e838f9060103aff98fbf170794Philip P. Moltmann#include "core/fpdfapi/render/cpdf_textrenderer.h" 194d3acf4ec42bf6e838f9060103aff98fbf170794Philip P. Moltmann#include "core/fxge/cfx_renderdevice.h" 20d904c1ec7e8d1d86ed56f0dd252435d12cd345aePhilip P. Moltmann#include "core/fxge/dib/cfx_dibitmap.h" 214d3acf4ec42bf6e838f9060103aff98fbf170794Philip P. Moltmann#include "core/fxge/fx_dib.h" 224d3acf4ec42bf6e838f9060103aff98fbf170794Philip P. Moltmann 234d3acf4ec42bf6e838f9060103aff98fbf170794Philip P. MoltmannCPDF_RenderContext::CPDF_RenderContext(CPDF_Page* pPage) 24d904c1ec7e8d1d86ed56f0dd252435d12cd345aePhilip P. Moltmann : m_pDocument(pPage->m_pDocument.Get()), 25d904c1ec7e8d1d86ed56f0dd252435d12cd345aePhilip P. Moltmann m_pPageResources(pPage->m_pPageResources.Get()), 264d3acf4ec42bf6e838f9060103aff98fbf170794Philip P. Moltmann m_pPageCache(pPage->GetRenderCache()) {} 274d3acf4ec42bf6e838f9060103aff98fbf170794Philip P. Moltmann 284d3acf4ec42bf6e838f9060103aff98fbf170794Philip P. MoltmannCPDF_RenderContext::CPDF_RenderContext(CPDF_Document* pDoc, 294d3acf4ec42bf6e838f9060103aff98fbf170794Philip P. Moltmann CPDF_PageRenderCache* pPageCache) 304d3acf4ec42bf6e838f9060103aff98fbf170794Philip P. Moltmann : m_pDocument(pDoc), m_pPageResources(nullptr), m_pPageCache(pPageCache) {} 314d3acf4ec42bf6e838f9060103aff98fbf170794Philip P. Moltmann 324d3acf4ec42bf6e838f9060103aff98fbf170794Philip P. MoltmannCPDF_RenderContext::~CPDF_RenderContext() {} 334d3acf4ec42bf6e838f9060103aff98fbf170794Philip P. Moltmann 34d904c1ec7e8d1d86ed56f0dd252435d12cd345aePhilip P. Moltmannvoid CPDF_RenderContext::GetBackground(const RetainPtr<CFX_DIBitmap>& pBuffer, 354d3acf4ec42bf6e838f9060103aff98fbf170794Philip P. Moltmann const CPDF_PageObject* pObj, 364d3acf4ec42bf6e838f9060103aff98fbf170794Philip P. Moltmann const CPDF_RenderOptions* pOptions, 374d3acf4ec42bf6e838f9060103aff98fbf170794Philip P. Moltmann CFX_Matrix* pFinalMatrix) { 38d904c1ec7e8d1d86ed56f0dd252435d12cd345aePhilip P. Moltmann CFX_DefaultRenderDevice device; 394d3acf4ec42bf6e838f9060103aff98fbf170794Philip P. Moltmann device.Attach(pBuffer, false, nullptr, false); 404d3acf4ec42bf6e838f9060103aff98fbf170794Philip P. Moltmann 414d3acf4ec42bf6e838f9060103aff98fbf170794Philip P. Moltmann FX_RECT rect(0, 0, device.GetWidth(), device.GetHeight()); 424d3acf4ec42bf6e838f9060103aff98fbf170794Philip P. Moltmann device.FillRect(&rect, 0xffffffff); 434d3acf4ec42bf6e838f9060103aff98fbf170794Philip P. Moltmann Render(&device, pObj, pOptions, pFinalMatrix); 444d3acf4ec42bf6e838f9060103aff98fbf170794Philip P. Moltmann} 454d3acf4ec42bf6e838f9060103aff98fbf170794Philip P. Moltmann 464d3acf4ec42bf6e838f9060103aff98fbf170794Philip P. Moltmannvoid CPDF_RenderContext::AppendLayer(CPDF_PageObjectHolder* pObjectHolder, 474d3acf4ec42bf6e838f9060103aff98fbf170794Philip P. Moltmann const CFX_Matrix* pObject2Device) { 484d3acf4ec42bf6e838f9060103aff98fbf170794Philip P. Moltmann m_Layers.emplace_back(); 494d3acf4ec42bf6e838f9060103aff98fbf170794Philip P. Moltmann m_Layers.back().m_pObjectHolder = pObjectHolder; 504d3acf4ec42bf6e838f9060103aff98fbf170794Philip P. Moltmann if (pObject2Device) 514d3acf4ec42bf6e838f9060103aff98fbf170794Philip P. Moltmann m_Layers.back().m_Matrix = *pObject2Device; 524d3acf4ec42bf6e838f9060103aff98fbf170794Philip P. Moltmann else 534d3acf4ec42bf6e838f9060103aff98fbf170794Philip P. Moltmann m_Layers.back().m_Matrix.SetIdentity(); 544d3acf4ec42bf6e838f9060103aff98fbf170794Philip P. Moltmann} 554d3acf4ec42bf6e838f9060103aff98fbf170794Philip P. Moltmann 564d3acf4ec42bf6e838f9060103aff98fbf170794Philip P. Moltmannvoid CPDF_RenderContext::Render(CFX_RenderDevice* pDevice, 574d3acf4ec42bf6e838f9060103aff98fbf170794Philip P. Moltmann const CPDF_RenderOptions* pOptions, 584d3acf4ec42bf6e838f9060103aff98fbf170794Philip P. Moltmann const CFX_Matrix* pLastMatrix) { 594d3acf4ec42bf6e838f9060103aff98fbf170794Philip P. Moltmann Render(pDevice, nullptr, pOptions, pLastMatrix); 604d3acf4ec42bf6e838f9060103aff98fbf170794Philip P. Moltmann} 614d3acf4ec42bf6e838f9060103aff98fbf170794Philip P. Moltmann 624d3acf4ec42bf6e838f9060103aff98fbf170794Philip P. Moltmannvoid CPDF_RenderContext::Render(CFX_RenderDevice* pDevice, 634d3acf4ec42bf6e838f9060103aff98fbf170794Philip P. Moltmann const CPDF_PageObject* pStopObj, 644d3acf4ec42bf6e838f9060103aff98fbf170794Philip P. Moltmann const CPDF_RenderOptions* pOptions, 654d3acf4ec42bf6e838f9060103aff98fbf170794Philip P. Moltmann const CFX_Matrix* pLastMatrix) { 664d3acf4ec42bf6e838f9060103aff98fbf170794Philip P. Moltmann for (auto& layer : m_Layers) { 67d904c1ec7e8d1d86ed56f0dd252435d12cd345aePhilip P. Moltmann CFX_RenderDevice::StateRestorer restorer(pDevice); 68d904c1ec7e8d1d86ed56f0dd252435d12cd345aePhilip P. Moltmann CPDF_RenderStatus status; 694d3acf4ec42bf6e838f9060103aff98fbf170794Philip P. Moltmann if (pLastMatrix) { 704d3acf4ec42bf6e838f9060103aff98fbf170794Philip P. Moltmann CFX_Matrix FinalMatrix = layer.m_Matrix; 714d3acf4ec42bf6e838f9060103aff98fbf170794Philip P. Moltmann FinalMatrix.Concat(*pLastMatrix); 724d3acf4ec42bf6e838f9060103aff98fbf170794Philip P. Moltmann status.Initialize(this, pDevice, pLastMatrix, pStopObj, nullptr, nullptr, 73d904c1ec7e8d1d86ed56f0dd252435d12cd345aePhilip P. Moltmann pOptions, layer.m_pObjectHolder->m_iTransparency, false, 744d3acf4ec42bf6e838f9060103aff98fbf170794Philip P. Moltmann nullptr); 75d904c1ec7e8d1d86ed56f0dd252435d12cd345aePhilip P. Moltmann status.RenderObjectList(layer.m_pObjectHolder.Get(), &FinalMatrix); 764d3acf4ec42bf6e838f9060103aff98fbf170794Philip P. Moltmann } else { 774d3acf4ec42bf6e838f9060103aff98fbf170794Philip P. Moltmann status.Initialize(this, pDevice, nullptr, pStopObj, nullptr, nullptr, 78d904c1ec7e8d1d86ed56f0dd252435d12cd345aePhilip P. Moltmann pOptions, layer.m_pObjectHolder->m_iTransparency, false, 794d3acf4ec42bf6e838f9060103aff98fbf170794Philip P. Moltmann nullptr); 80d904c1ec7e8d1d86ed56f0dd252435d12cd345aePhilip P. Moltmann status.RenderObjectList(layer.m_pObjectHolder.Get(), &layer.m_Matrix); 814d3acf4ec42bf6e838f9060103aff98fbf170794Philip P. Moltmann } 82d904c1ec7e8d1d86ed56f0dd252435d12cd345aePhilip P. Moltmann if (status.GetRenderOptions()->HasFlag(RENDER_LIMITEDIMAGECACHE)) { 83d904c1ec7e8d1d86ed56f0dd252435d12cd345aePhilip P. Moltmann m_pPageCache->CacheOptimization( 84d904c1ec7e8d1d86ed56f0dd252435d12cd345aePhilip P. Moltmann status.GetRenderOptions()->GetCacheSizeLimit()); 85d904c1ec7e8d1d86ed56f0dd252435d12cd345aePhilip P. Moltmann } 86d904c1ec7e8d1d86ed56f0dd252435d12cd345aePhilip P. Moltmann if (status.IsStopped()) 87d904c1ec7e8d1d86ed56f0dd252435d12cd345aePhilip P. Moltmann break; 884d3acf4ec42bf6e838f9060103aff98fbf170794Philip P. Moltmann } 894d3acf4ec42bf6e838f9060103aff98fbf170794Philip P. Moltmann} 90d904c1ec7e8d1d86ed56f0dd252435d12cd345aePhilip P. Moltmann 91d904c1ec7e8d1d86ed56f0dd252435d12cd345aePhilip P. MoltmannCPDF_RenderContext::Layer::Layer() {} 92d904c1ec7e8d1d86ed56f0dd252435d12cd345aePhilip P. Moltmann 93d904c1ec7e8d1d86ed56f0dd252435d12cd345aePhilip P. MoltmannCPDF_RenderContext::Layer::Layer(const Layer& that) = default; 94d904c1ec7e8d1d86ed56f0dd252435d12cd345aePhilip P. Moltmann 95d904c1ec7e8d1d86ed56f0dd252435d12cd345aePhilip P. MoltmannCPDF_RenderContext::Layer::~Layer() {} 96