// 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 "../include/fpdf_progressive.h" | |
#include "../include/fsdk_define.h" | |
#include "../include/fpdfview.h" | |
#include "../include/fsdk_rendercontext.h" | |
extern void (*Func_RenderPage)( CRenderContext*, FPDF_PAGE page, int start_x, int start_y, int size_x, int size_y, | |
int rotate, int flags,FX_BOOL bNeedToRestore, IFSDK_PAUSE_Adapter * pause ); | |
extern void DropContext(void* data); | |
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; | |
// FXMT_CSLOCK_OBJ(&pPage->m_PageLock); | |
CRenderContext* pContext = FX_NEW CRenderContext; | |
pPage->SetPrivateData((void*)1, pContext, DropContext ); | |
#ifdef _SKIA_SUPPORT_ | |
pContext->m_pDevice = FX_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 = FX_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); | |
if (flags & FPDF_NO_CATCH) | |
Func_RenderPage(pContext, page, start_x, start_y, size_x, size_y, rotate, flags,FALSE, &IPauseAdapter); | |
else { | |
try { | |
Func_RenderPage(pContext, page, start_x, start_y, size_x, size_y, rotate, flags,FALSE, &IPauseAdapter); | |
} | |
catch (...){} | |
} | |
if ( pContext->m_pRenderer ) | |
{ | |
CPDF_ProgressiveRenderer::RenderStatus status = CPDF_ProgressiveRenderer::Failed; | |
status = pContext->m_pRenderer->GetStatus(); | |
return status; | |
} | |
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; | |
// FXMT_CSLOCK_OBJ(&pPage->m_PageLock); | |
CRenderContext * pContext = (CRenderContext*)pPage->GetPrivateData((void*)1); | |
if (pContext && pContext->m_pRenderer) | |
{ | |
IFSDK_PAUSE_Adapter IPauseAdapter(pause); | |
pContext->m_pRenderer->Continue(&IPauseAdapter); | |
CPDF_ProgressiveRenderer::RenderStatus status = CPDF_ProgressiveRenderer::Failed; | |
status = pContext->m_pRenderer->GetStatus(); | |
return status; | |
} | |
return FPDF_RENDER_FAILED; | |
} | |
DLLEXPORT void STDCALL FPDF_RenderPage_Close(FPDF_PAGE page) | |
{ | |
if (page == NULL) return; | |
CPDF_Page* pPage = (CPDF_Page*)page; | |
// FXMT_CSLOCK_OBJ(&pPage->m_PageLock); | |
CRenderContext * pContext = (CRenderContext*)pPage->GetPrivateData((void*)1); | |
if (pContext) | |
{ | |
pContext->m_pDevice->RestoreState(); | |
delete pContext; | |
pPage->RemovePrivateData((void*)1); | |
} | |
} | |