| // Copyright 2018 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 XFA_FXFA_CXFA_IMAGERENDERER_H_ |
| #define XFA_FXFA_CXFA_IMAGERENDERER_H_ |
| |
| #include <memory> |
| |
| #include "core/fxcrt/fx_coordinates.h" |
| #include "core/fxcrt/retain_ptr.h" |
| #include "core/fxcrt/unowned_ptr.h" |
| |
| class CFX_RenderDevice; |
| class CFX_DIBBase; |
| class CFX_DIBitmap; |
| class CFX_ImageTransformer; |
| class CFX_ImageRenderer; |
| |
| class CXFA_ImageRenderer { |
| public: |
| CXFA_ImageRenderer(CFX_RenderDevice* pDevice, |
| const RetainPtr<CFX_DIBBase>& pDIBBase, |
| const CFX_Matrix& mtImage2Device); |
| ~CXFA_ImageRenderer(); |
| |
| bool Start(); |
| bool Continue(); |
| |
| private: |
| enum class State : uint8_t { kInitial = 0, kTransforming, kStarted }; |
| |
| void CompositeDIBitmap(RetainPtr<CFX_DIBitmap> bitmap, int left, int top); |
| |
| State m_State = State::kInitial; |
| CFX_Matrix m_ImageMatrix; |
| UnownedPtr<CFX_RenderDevice> m_pDevice; |
| RetainPtr<CFX_DIBBase> m_pDIBBase; |
| RetainPtr<CFX_DIBitmap> m_pCloneConvert; |
| std::unique_ptr<CFX_ImageTransformer> m_pTransformer; |
| std::unique_ptr<CFX_ImageRenderer> m_DeviceHandle; |
| }; |
| |
| #endif // XFA_FXFA_CXFA_IMAGERENDERER_H_ |