Merge to XFA: Create top-level public/ header directory.
[pdfium.git] / fpdfsdk / src / fpdf_progressive.cpp
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 #include "../include/fpdfxfa/fpdfxfa_doc.h"
12 #include "../include/fpdfxfa/fpdfxfa_page.h"
13
14 extern void (*Func_RenderPage)( CRenderContext*, FPDF_PAGE page, int start_x, int start_y, int size_x, int size_y,
15                                                 int rotate, int flags,FX_BOOL bNeedToRestore, IFSDK_PAUSE_Adapter * pause );
16
17 extern void DropContext(void* data);
18
19 DLLEXPORT int STDCALL FPDF_RenderPageBitmap_Start( FPDF_BITMAP bitmap, FPDF_PAGE page, 
20                                                                                                         int start_x, int start_y, int size_x,
21                                                                                                     int size_y, int rotate, int flags,
22                                                                                                         IFSDK_PAUSE * pause )
23 {
24         if (bitmap == NULL || page == NULL)
25                 return FPDF_RENDER_FAILED;
26
27         if (!pause)
28                 return FPDF_RENDER_FAILED;
29
30         if (pause->version !=1)
31                 return FPDF_RENDER_FAILED;
32
33         CPDF_Page* pPage = ((CPDFXFA_Page*)page)->GetPDFPage();
34         if (!pPage)
35                 return FPDF_RENDER_FAILED;
36         
37 //      FXMT_CSLOCK_OBJ(&pPage->m_PageLock);
38         
39         CRenderContext* pContext = FX_NEW CRenderContext;
40         pPage->SetPrivateData((void*)1, pContext, DropContext );
41 #ifdef _SKIA_SUPPORT_
42         pContext->m_pDevice = FX_NEW CFX_SkiaDevice;
43         if (flags & FPDF_REVERSE_BYTE_ORDER)
44                 ((CFX_SkiaDevice*)pContext->m_pDevice)->Attach((CFX_DIBitmap*)bitmap,0,TRUE);
45         else
46                 ((CFX_SkiaDevice*)pContext->m_pDevice)->Attach((CFX_DIBitmap*)bitmap);
47 #else
48         pContext->m_pDevice = FX_NEW CFX_FxgeDevice;
49         if (flags & FPDF_REVERSE_BYTE_ORDER)
50                 ((CFX_FxgeDevice*)pContext->m_pDevice)->Attach((CFX_DIBitmap*)bitmap,0,TRUE);
51         else
52                 ((CFX_FxgeDevice*)pContext->m_pDevice)->Attach((CFX_DIBitmap*)bitmap);
53 #endif
54         IFSDK_PAUSE_Adapter IPauseAdapter(pause);
55         
56         Func_RenderPage(pContext, page, start_x, start_y, size_x, size_y, rotate, flags,FALSE, &IPauseAdapter);
57
58         if ( pContext->m_pRenderer )
59         {
60                 CPDF_ProgressiveRenderer::RenderStatus status = CPDF_ProgressiveRenderer::Failed;
61                 status = pContext->m_pRenderer->GetStatus();
62                 return status;
63         }
64         return FPDF_RENDER_FAILED;
65 }
66
67 DLLEXPORT int STDCALL FPDF_RenderPage_Continue(FPDF_PAGE page,IFSDK_PAUSE * pause)
68 {
69         if (page == NULL)
70                 return FPDF_RENDER_FAILED;
71
72         if (!pause)
73                 return FPDF_RENDER_FAILED;
74         
75         if (pause->version !=1)
76                 return FPDF_RENDER_FAILED;
77
78         CPDF_Page* pPage = ((CPDFXFA_Page*)page)->GetPDFPage();
79         if (!pPage)
80                 return FPDF_RENDER_FAILED;
81
82 //      FXMT_CSLOCK_OBJ(&pPage->m_PageLock);
83
84         CRenderContext * pContext = (CRenderContext*)pPage->GetPrivateData((void*)1);
85         if (pContext && pContext->m_pRenderer)
86         {
87                 IFSDK_PAUSE_Adapter IPauseAdapter(pause);
88                 pContext->m_pRenderer->Continue(&IPauseAdapter);
89
90                 CPDF_ProgressiveRenderer::RenderStatus status = CPDF_ProgressiveRenderer::Failed;
91                 status = pContext->m_pRenderer->GetStatus();
92                 return status;
93         }
94         return FPDF_RENDER_FAILED;
95 }
96
97
98 DLLEXPORT void STDCALL FPDF_RenderPage_Close(FPDF_PAGE page)
99 {
100         if (page == NULL) return;
101         CPDF_Page* pPage = ((CPDFXFA_Page*)page)->GetPDFPage();
102         if (!pPage) return;
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