diff options
Diffstat (limited to 'fpdfsdk/src/fpdf_progressive.cpp')
| -rw-r--r-- | fpdfsdk/src/fpdf_progressive.cpp | 114 |
1 files changed, 114 insertions, 0 deletions
diff --git a/fpdfsdk/src/fpdf_progressive.cpp b/fpdfsdk/src/fpdf_progressive.cpp new file mode 100644 index 0000000000..29496e05dc --- /dev/null +++ b/fpdfsdk/src/fpdf_progressive.cpp @@ -0,0 +1,114 @@ +// 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;
+
+// FXMT_CSLOCK_OBJ(&pPage->m_PageLock);
+
+ CRenderContext* pContext = FX_NEW CRenderContext;
+ pPage->SetPrivateData((void*)1, pContext, DropContext );
+#ifdef _SKIA_SUPPORT_
+ pContext->m_pDevice = FX_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 = FX_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);
+
+ if (flags & FPDF_NO_CATCH)
+ Func_RenderPage(pContext, page, start_x, start_y, size_x, size_y, rotate, flags,FALSE, &IPauseAdapter);
+ else {
+ try {
+ Func_RenderPage(pContext, page, start_x, start_y, size_x, size_y, rotate, flags,FALSE, &IPauseAdapter);
+ }
+ catch (...){}
+ }
+
+ 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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