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-rw-r--r--core/fpdfapi/render/cpdf_rendercontext.h67
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diff --git a/core/fpdfapi/render/cpdf_rendercontext.h b/core/fpdfapi/render/cpdf_rendercontext.h
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+// Copyright 2016 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
+
+#ifndef CORE_FPDFAPI_RENDER_CPDF_RENDERCONTEXT_H_
+#define CORE_FPDFAPI_RENDER_CPDF_RENDERCONTEXT_H_
+
+#include "core/fxcrt/fx_basic.h"
+#include "core/fxcrt/fx_coordinates.h"
+
+class CPDF_Dictionary;
+class CPDF_Document;
+class CPDF_Page;
+class CPDF_PageObject;
+class CPDF_PageObjectHolder;
+class CPDF_PageRenderCache;
+class CPDF_RenderOptions;
+class CFX_DIBitmap;
+class CFX_Matrix;
+class CFX_RenderDevice;
+
+class CPDF_RenderContext {
+ public:
+ class Layer {
+ public:
+ CPDF_PageObjectHolder* m_pObjectHolder;
+ CFX_Matrix m_Matrix;
+ };
+
+ explicit CPDF_RenderContext(CPDF_Page* pPage);
+ CPDF_RenderContext(CPDF_Document* pDoc, CPDF_PageRenderCache* pPageCache);
+ ~CPDF_RenderContext();
+
+ void AppendLayer(CPDF_PageObjectHolder* pObjectHolder,
+ const CFX_Matrix* pObject2Device);
+
+ void Render(CFX_RenderDevice* pDevice,
+ const CPDF_RenderOptions* pOptions,
+ const CFX_Matrix* pFinalMatrix);
+
+ void Render(CFX_RenderDevice* pDevice,
+ const CPDF_PageObject* pStopObj,
+ const CPDF_RenderOptions* pOptions,
+ const CFX_Matrix* pFinalMatrix);
+
+ void GetBackground(CFX_DIBitmap* pBuffer,
+ const CPDF_PageObject* pObj,
+ const CPDF_RenderOptions* pOptions,
+ CFX_Matrix* pFinalMatrix);
+
+ uint32_t CountLayers() const { return m_Layers.GetSize(); }
+ Layer* GetLayer(uint32_t index) { return m_Layers.GetDataPtr(index); }
+
+ CPDF_Document* GetDocument() const { return m_pDocument; }
+ CPDF_Dictionary* GetPageResources() const { return m_pPageResources; }
+ CPDF_PageRenderCache* GetPageCache() const { return m_pPageCache; }
+
+ protected:
+ CPDF_Document* const m_pDocument;
+ CPDF_Dictionary* m_pPageResources;
+ CPDF_PageRenderCache* m_pPageCache;
+ CFX_ArrayTemplate<Layer> m_Layers;
+};
+
+#endif // CORE_FPDFAPI_RENDER_CPDF_RENDERCONTEXT_H_