1 // Copyright 2016 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 #ifndef CORE_FPDFAPI_RENDER_CPDF_SCALEDRENDERBUFFER_H_ 8 #define CORE_FPDFAPI_RENDER_CPDF_SCALEDRENDERBUFFER_H_ 9 10 #include <memory> 11 12 #include "core/fxcrt/fx_coordinates.h" 13 #include "core/fxcrt/unowned_ptr.h" 14 #include "core/fxge/cfx_defaultrenderdevice.h" 15 16 class CFX_RenderDevice; 17 class CPDF_PageObject; 18 class CPDF_RenderContext; 19 class CPDF_RenderOptions; 20 21 class CPDF_ScaledRenderBuffer { 22 public: 23 CPDF_ScaledRenderBuffer(); 24 ~CPDF_ScaledRenderBuffer(); 25 26 bool Initialize(CPDF_RenderContext* pContext, 27 CFX_RenderDevice* pDevice, 28 const FX_RECT& pRect, 29 const CPDF_PageObject* pObj, 30 const CPDF_RenderOptions* pOptions, 31 int max_dpi); 32 GetDevice()33 CFX_RenderDevice* GetDevice() const { 34 return m_pBitmapDevice ? m_pBitmapDevice.get() : m_pDevice.Get(); 35 } GetMatrix()36 CFX_Matrix* GetMatrix() { return &m_Matrix; } 37 void OutputToDevice(); 38 39 private: 40 UnownedPtr<CFX_RenderDevice> m_pDevice; 41 UnownedPtr<CPDF_RenderContext> m_pContext; 42 FX_RECT m_Rect; 43 UnownedPtr<const CPDF_PageObject> m_pObject; 44 std::unique_ptr<CFX_DefaultRenderDevice> m_pBitmapDevice; 45 CFX_Matrix m_Matrix; 46 }; 47 48 #endif // CORE_FPDFAPI_RENDER_CPDF_SCALEDRENDERBUFFER_H_ 49