1// Copyright 2014 PDFium Authors. All rights reserved. 2// Use of this source code is governed by a BSD-style license that can be 3// found in the LICENSE file. 4 5// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com 6 7#include "../../public/fpdf_progressive.h" 8#include "../../public/fpdfview.h" 9#include "../include/fsdk_define.h" 10#include "../include/fsdk_rendercontext.h" 11 12extern void (*Func_RenderPage)( CRenderContext*, FPDF_PAGE page, int start_x, int start_y, int size_x, int size_y, 13 int rotate, int flags,FX_BOOL bNeedToRestore, IFSDK_PAUSE_Adapter * pause ); 14 15extern void DropContext(void* data); 16 17DLLEXPORT int STDCALL FPDF_RenderPageBitmap_Start( FPDF_BITMAP bitmap, FPDF_PAGE page, 18 int start_x, int start_y, int size_x, 19 int size_y, int rotate, int flags, 20 IFSDK_PAUSE * pause ) 21{ 22 if (bitmap == NULL || page == NULL) 23 return FPDF_RENDER_FAILED; 24 25 if (!pause) 26 return FPDF_RENDER_FAILED; 27 28 if (pause->version !=1) 29 return FPDF_RENDER_FAILED; 30 31 CPDF_Page* pPage = (CPDF_Page*)page; 32 CRenderContext* pContext = new CRenderContext; 33 pPage->SetPrivateData((void*)1, pContext, DropContext); 34#ifdef _SKIA_SUPPORT_ 35 pContext->m_pDevice = new CFX_SkiaDevice; 36 if (flags & FPDF_REVERSE_BYTE_ORDER) 37 ((CFX_SkiaDevice*)pContext->m_pDevice)->Attach((CFX_DIBitmap*)bitmap,0,TRUE); 38 else 39 ((CFX_SkiaDevice*)pContext->m_pDevice)->Attach((CFX_DIBitmap*)bitmap); 40#else 41 pContext->m_pDevice = new CFX_FxgeDevice; 42 if (flags & FPDF_REVERSE_BYTE_ORDER) 43 ((CFX_FxgeDevice*)pContext->m_pDevice)->Attach((CFX_DIBitmap*)bitmap,0,TRUE); 44 else 45 ((CFX_FxgeDevice*)pContext->m_pDevice)->Attach((CFX_DIBitmap*)bitmap); 46#endif 47 IFSDK_PAUSE_Adapter IPauseAdapter(pause); 48 49 Func_RenderPage(pContext, page, start_x, start_y, size_x, size_y, rotate, flags,FALSE, &IPauseAdapter); 50 51 if ( pContext->m_pRenderer ) 52 { 53 CPDF_ProgressiveRenderer::RenderStatus status = CPDF_ProgressiveRenderer::Failed; 54 status = pContext->m_pRenderer->GetStatus(); 55 return status; 56 } 57 return FPDF_RENDER_FAILED; 58} 59 60DLLEXPORT int STDCALL FPDF_RenderPage_Continue(FPDF_PAGE page,IFSDK_PAUSE * pause) 61{ 62 if (page == NULL) 63 return FPDF_RENDER_FAILED; 64 65 if (!pause) 66 return FPDF_RENDER_FAILED; 67 68 if (pause->version !=1) 69 return FPDF_RENDER_FAILED; 70 71 CPDF_Page* pPage = (CPDF_Page*)page; 72 73// FXMT_CSLOCK_OBJ(&pPage->m_PageLock); 74 75 CRenderContext * pContext = (CRenderContext*)pPage->GetPrivateData((void*)1); 76 if (pContext && pContext->m_pRenderer) 77 { 78 IFSDK_PAUSE_Adapter IPauseAdapter(pause); 79 pContext->m_pRenderer->Continue(&IPauseAdapter); 80 81 CPDF_ProgressiveRenderer::RenderStatus status = CPDF_ProgressiveRenderer::Failed; 82 status = pContext->m_pRenderer->GetStatus(); 83 return status; 84 } 85 return FPDF_RENDER_FAILED; 86} 87 88 89DLLEXPORT void STDCALL FPDF_RenderPage_Close(FPDF_PAGE page) 90{ 91 if (page == NULL) return; 92 CPDF_Page* pPage = (CPDF_Page*)page; 93 94// FXMT_CSLOCK_OBJ(&pPage->m_PageLock); 95 96 CRenderContext * pContext = (CRenderContext*)pPage->GetPrivateData((void*)1); 97 if (pContext) 98 { 99 pContext->m_pDevice->RestoreState(); 100 delete pContext; 101 pPage->RemovePrivateData((void*)1); 102 } 103} 104 105