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gerrit-public.fairphone.software / platform / external / pdfium / e9b38fa38de2c95d8260be31c57d9272c4d127ed / . / fpdfsdk / src / fpdf_progressive.cpp
blob: 2490df8c2f3dbe94bb6832dd9133443fb80b1228 [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
Bo Xud4e406e2014-08-13 11:03:19 -0700[diff] [blame]52 Func_RenderPage(pContext, page, start_x, start_y, size_x, size_y, rotate, flags,FALSE, &IPauseAdapter);
John Abd-El-Malek3f3b45c2014-05-23 17:28:10 -0700[diff] [blame]53
54 if ( pContext->m_pRenderer )
55 {
56 CPDF_ProgressiveRenderer::RenderStatus status = CPDF_ProgressiveRenderer::Failed;
57 status = pContext->m_pRenderer->GetStatus();
58 return status;
59 }
60 return FPDF_RENDER_FAILED;
61}
62
63DLLEXPORT int STDCALL FPDF_RenderPage_Continue(FPDF_PAGE page,IFSDK_PAUSE * pause)
64{
65 if (page == NULL)
66 return FPDF_RENDER_FAILED;
67
68 if (!pause)
69 return FPDF_RENDER_FAILED;
70
71 if (pause->version !=1)
72 return FPDF_RENDER_FAILED;
73
74 CPDF_Page* pPage = (CPDF_Page*)page;
75
76// FXMT_CSLOCK_OBJ(&pPage->m_PageLock);
77
78 CRenderContext * pContext = (CRenderContext*)pPage->GetPrivateData((void*)1);
79 if (pContext && pContext->m_pRenderer)
80 {
81 IFSDK_PAUSE_Adapter IPauseAdapter(pause);
82 pContext->m_pRenderer->Continue(&IPauseAdapter);
83
84 CPDF_ProgressiveRenderer::RenderStatus status = CPDF_ProgressiveRenderer::Failed;
85 status = pContext->m_pRenderer->GetStatus();
86 return status;
87 }
88 return FPDF_RENDER_FAILED;
89}
90
91
92DLLEXPORT void STDCALL FPDF_RenderPage_Close(FPDF_PAGE page)
93{
94 if (page == NULL) return;
95 CPDF_Page* pPage = (CPDF_Page*)page;
96
97// FXMT_CSLOCK_OBJ(&pPage->m_PageLock);
98
99 CRenderContext * pContext = (CRenderContext*)pPage->GetPrivateData((void*)1);
100 if (pContext)
101 {
102 pContext->m_pDevice->RestoreState();
103 delete pContext;
104 pPage->RemovePrivateData((void*)1);
105 }
106}
107