| // Copyright 2016 The PDFium Authors |
| // 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_DEVICEBUFFER_H_ |
| #define CORE_FPDFAPI_RENDER_CPDF_DEVICEBUFFER_H_ |
| |
| #include "build/build_config.h" |
| #include "core/fxcrt/fx_coordinates.h" |
| #include "core/fxcrt/retain_ptr.h" |
| #include "core/fxcrt/unowned_ptr.h" |
| |
| class CFX_DIBitmap; |
| class CFX_RenderDevice; |
| class CPDF_PageObject; |
| class CPDF_RenderContext; |
| |
| class CPDF_DeviceBuffer { |
| public: |
| static CFX_Matrix CalculateMatrix(CFX_RenderDevice* pDevice, |
| const FX_RECT& rect, |
| int max_dpi, |
| bool scale); |
| |
| CPDF_DeviceBuffer(CPDF_RenderContext* pContext, |
| CFX_RenderDevice* pDevice, |
| const FX_RECT& rect, |
| const CPDF_PageObject* pObj, |
| int max_dpi); |
| ~CPDF_DeviceBuffer(); |
| |
| // On success, the returned bitmap will already have its buffer allocated. |
| // On failure, the returned result is null. |
| [[nodiscard]] RetainPtr<CFX_DIBitmap> Initialize(); |
| void OutputToDevice(); |
| const CFX_Matrix& GetMatrix() const { return m_Matrix; } |
| |
| private: |
| UnownedPtr<CFX_RenderDevice> const m_pDevice; |
| #if BUILDFLAG(IS_WIN) |
| UnownedPtr<CPDF_RenderContext> const m_pContext; |
| #endif |
| UnownedPtr<const CPDF_PageObject> const m_pObject; |
| RetainPtr<CFX_DIBitmap> const m_pBitmap; |
| const FX_RECT m_Rect; |
| const CFX_Matrix m_Matrix; |
| }; |
| |
| #endif // CORE_FPDFAPI_RENDER_CPDF_DEVICEBUFFER_H_ |