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