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// 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;
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);
Func_RenderPage(pContext, page, start_x, start_y, size_x, size_y, rotate, flags,FALSE, &IPauseAdapter);
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);
}
}
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