| // 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 "../../public/fpdf_progressive.h" |
| #include "../../public/fpdfview.h" |
| #include "../include/fsdk_define.h" |
| #include "../include/fsdk_rendercontext.h" |
| |
| DLLEXPORT int STDCALL FPDF_RenderPageBitmap_Start(FPDF_BITMAP bitmap, |
| FPDF_PAGE page, |
| int start_x, |
| int start_y, |
| int size_x, |
| int size_y, |
| int rotate, |
| int flags, |
| IFSDK_PAUSE* pause) { |
| if (bitmap == NULL || page == NULL) |
| return FPDF_RENDER_FAILED; |
| |
| if (!pause) |
| return FPDF_RENDER_FAILED; |
| |
| if (pause->version != 1) |
| return FPDF_RENDER_FAILED; |
| |
| CPDF_Page* pPage = (CPDF_Page*)page; |
| CRenderContext* pContext = new CRenderContext; |
| pPage->SetPrivateData((void*)1, pContext, DropContext); |
| #ifdef _SKIA_SUPPORT_ |
| pContext->m_pDevice = new CFX_SkiaDevice; |
| if (flags & FPDF_REVERSE_BYTE_ORDER) |
| ((CFX_SkiaDevice*)pContext->m_pDevice) |
| ->Attach((CFX_DIBitmap*)bitmap, 0, TRUE); |
| else |
| ((CFX_SkiaDevice*)pContext->m_pDevice)->Attach((CFX_DIBitmap*)bitmap); |
| #else |
| pContext->m_pDevice = new CFX_FxgeDevice; |
| if (flags & FPDF_REVERSE_BYTE_ORDER) |
| ((CFX_FxgeDevice*)pContext->m_pDevice) |
| ->Attach((CFX_DIBitmap*)bitmap, 0, TRUE); |
| else |
| ((CFX_FxgeDevice*)pContext->m_pDevice)->Attach((CFX_DIBitmap*)bitmap); |
| #endif |
| IFSDK_PAUSE_Adapter IPauseAdapter(pause); |
| |
| FPDF_RenderPage_Retail(pContext, page, start_x, start_y, size_x, size_y, |
| rotate, flags, FALSE, &IPauseAdapter); |
| |
| if (pContext->m_pRenderer) |
| return CPDF_ProgressiveRenderer::ToFPDFStatus( |
| pContext->m_pRenderer->GetStatus()); |
| |
| return FPDF_RENDER_FAILED; |
| } |
| |
| DLLEXPORT int STDCALL FPDF_RenderPage_Continue(FPDF_PAGE page, |
| IFSDK_PAUSE* pause) { |
| if (page == NULL) |
| return FPDF_RENDER_FAILED; |
| |
| if (!pause) |
| return FPDF_RENDER_FAILED; |
| |
| if (pause->version != 1) |
| return FPDF_RENDER_FAILED; |
| |
| CPDF_Page* pPage = (CPDF_Page*)page; |
| CRenderContext* pContext = (CRenderContext*)pPage->GetPrivateData((void*)1); |
| if (pContext && pContext->m_pRenderer) { |
| IFSDK_PAUSE_Adapter IPauseAdapter(pause); |
| pContext->m_pRenderer->Continue(&IPauseAdapter); |
| return CPDF_ProgressiveRenderer::ToFPDFStatus( |
| pContext->m_pRenderer->GetStatus()); |
| } |
| return FPDF_RENDER_FAILED; |
| } |
| |
| DLLEXPORT void STDCALL FPDF_RenderPage_Close(FPDF_PAGE page) { |
| if (!page) |
| return; |
| |
| CPDF_Page* pPage = (CPDF_Page*)page; |
| CRenderContext* pContext = (CRenderContext*)pPage->GetPrivateData((void*)1); |
| if (!pContext) |
| return; |
| |
| pContext->m_pDevice->RestoreState(); |
| delete pContext; |
| pPage->RemovePrivateData((void*)1); |
| } |