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gerrit-public.fairphone.software / platform / external / pdfium / d38a35ec7416a884de964014691777110093a931 / . / fpdfsdk / src / fpdf_progressive.cpp
blob: b6691af82d5b55b8ac1ccbfd2ce5b5cbe689f099 [file] [log] [blame]
John Abd-El-Malek3f3b45c2014-05-23 17:28:10 -0700[diff] [blame]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 "../include/fpdf_progressive.h"
8#include "../include/fsdk_define.h"
9#include "../include/fpdfview.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
33// FXMT_CSLOCK_OBJ(&pPage->m_PageLock);
34
35 CRenderContext* pContext = FX_NEW CRenderContext;
36 pPage->SetPrivateData((void*)1, pContext, DropContext );
37#ifdef _SKIA_SUPPORT_
38 pContext->m_pDevice = FX_NEW CFX_SkiaDevice;
39 if (flags & FPDF_REVERSE_BYTE_ORDER)
40 ((CFX_SkiaDevice*)pContext->m_pDevice)->Attach((CFX_DIBitmap*)bitmap,0,TRUE);
41 else
42 ((CFX_SkiaDevice*)pContext->m_pDevice)->Attach((CFX_DIBitmap*)bitmap);
43#else
44 pContext->m_pDevice = FX_NEW CFX_FxgeDevice;
45 if (flags & FPDF_REVERSE_BYTE_ORDER)
46 ((CFX_FxgeDevice*)pContext->m_pDevice)->Attach((CFX_DIBitmap*)bitmap,0,TRUE);
47 else
48 ((CFX_FxgeDevice*)pContext->m_pDevice)->Attach((CFX_DIBitmap*)bitmap);
49#endif
50 IFSDK_PAUSE_Adapter IPauseAdapter(pause);
51
52 if (flags & FPDF_NO_CATCH)
53 Func_RenderPage(pContext, page, start_x, start_y, size_x, size_y, rotate, flags,FALSE, &IPauseAdapter);
54 else {
55 try {
56 Func_RenderPage(pContext, page, start_x, start_y, size_x, size_y, rotate, flags,FALSE, &IPauseAdapter);
57 }
58 catch (...){}
59 }
60
61 if ( pContext->m_pRenderer )
62 {
63 CPDF_ProgressiveRenderer::RenderStatus status = CPDF_ProgressiveRenderer::Failed;
64 status = pContext->m_pRenderer->GetStatus();
65 return status;
66 }
67 return FPDF_RENDER_FAILED;
68}
69
70DLLEXPORT int STDCALL FPDF_RenderPage_Continue(FPDF_PAGE page,IFSDK_PAUSE * pause)
71{
72 if (page == NULL)
73 return FPDF_RENDER_FAILED;
74
75 if (!pause)
76 return FPDF_RENDER_FAILED;
77
78 if (pause->version !=1)
79 return FPDF_RENDER_FAILED;
80
81 CPDF_Page* pPage = (CPDF_Page*)page;
82
83// FXMT_CSLOCK_OBJ(&pPage->m_PageLock);
84
85 CRenderContext * pContext = (CRenderContext*)pPage->GetPrivateData((void*)1);
86 if (pContext && pContext->m_pRenderer)
87 {
88 IFSDK_PAUSE_Adapter IPauseAdapter(pause);
89 pContext->m_pRenderer->Continue(&IPauseAdapter);
90
91 CPDF_ProgressiveRenderer::RenderStatus status = CPDF_ProgressiveRenderer::Failed;
92 status = pContext->m_pRenderer->GetStatus();
93 return status;
94 }
95 return FPDF_RENDER_FAILED;
96}
97
98
99DLLEXPORT void STDCALL FPDF_RenderPage_Close(FPDF_PAGE page)
100{
101 if (page == NULL) return;
102 CPDF_Page* pPage = (CPDF_Page*)page;
103
104// FXMT_CSLOCK_OBJ(&pPage->m_PageLock);
105
106 CRenderContext * pContext = (CRenderContext*)pPage->GetPrivateData((void*)1);
107 if (pContext)
108 {
109 pContext->m_pDevice->RestoreState();
110 delete pContext;
111 pPage->RemovePrivateData((void*)1);
112 }
113}
114