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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 <vector>
#include "core/fxcrt/cfx_unowned_ptr.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:
Layer();
Layer(const Layer& that);
~Layer();
CFX_UnownedPtr<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(const CFX_RetainPtr<CFX_DIBitmap>& pBuffer,
const CPDF_PageObject* pObj,
const CPDF_RenderOptions* pOptions,
CFX_Matrix* pFinalMatrix);
size_t CountLayers() const { return m_Layers.size(); }
Layer* GetLayer(uint32_t index) { return &m_Layers[index]; }
CPDF_Document* GetDocument() const { return m_pDocument.Get(); }
CPDF_Dictionary* GetPageResources() const { return m_pPageResources.Get(); }
CPDF_PageRenderCache* GetPageCache() const { return m_pPageCache.Get(); }
protected:
CFX_UnownedPtr<CPDF_Document> const m_pDocument;
CFX_UnownedPtr<CPDF_Dictionary> m_pPageResources;
CFX_UnownedPtr<CPDF_PageRenderCache> m_pPageCache;
std::vector<Layer> m_Layers;
};
#endif // CORE_FPDFAPI_RENDER_CPDF_RENDERCONTEXT_H_