| // Copyright 2017 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_FXGE_DIB_CFX_BITMAPCOMPOSER_H_ |
| #define CORE_FXGE_DIB_CFX_BITMAPCOMPOSER_H_ |
| |
| #include <vector> |
| |
| #include "core/fxcrt/fx_coordinates.h" |
| #include "core/fxcrt/retain_ptr.h" |
| #include "core/fxcrt/unowned_ptr.h" |
| #include "core/fxge/dib/cfx_scanlinecompositor.h" |
| #include "core/fxge/dib/scanlinecomposer_iface.h" |
| |
| class CFX_ClipRgn; |
| class CFX_DIBitmap; |
| |
| class CFX_BitmapComposer : public ScanlineComposerIface { |
| public: |
| CFX_BitmapComposer(); |
| ~CFX_BitmapComposer() override; |
| |
| void Compose(const RetainPtr<CFX_DIBitmap>& pDest, |
| const CFX_ClipRgn* pClipRgn, |
| int bitmap_alpha, |
| uint32_t mask_color, |
| const FX_RECT& dest_rect, |
| bool bVertical, |
| bool bFlipX, |
| bool bFlipY, |
| bool bRgbByteOrder, |
| int alpha_flag, |
| int blend_type); |
| |
| // ScanlineComposerIface |
| bool SetInfo(int width, |
| int height, |
| FXDIB_Format src_format, |
| uint32_t* pSrcPalette) override; |
| |
| void ComposeScanline(int line, |
| const uint8_t* scanline, |
| const uint8_t* scan_extra_alpha) override; |
| |
| private: |
| void DoCompose(uint8_t* dest_scan, |
| const uint8_t* src_scan, |
| int dest_width, |
| const uint8_t* clip_scan, |
| const uint8_t* src_extra_alpha, |
| uint8_t* dst_extra_alpha); |
| void ComposeScanlineV(int line, |
| const uint8_t* scanline, |
| const uint8_t* scan_extra_alpha); |
| |
| RetainPtr<CFX_DIBitmap> m_pBitmap; |
| UnownedPtr<const CFX_ClipRgn> m_pClipRgn; |
| FXDIB_Format m_SrcFormat; |
| int m_DestLeft; |
| int m_DestTop; |
| int m_DestWidth; |
| int m_DestHeight; |
| int m_BitmapAlpha; |
| uint32_t m_MaskColor; |
| RetainPtr<CFX_DIBitmap> m_pClipMask; |
| CFX_ScanlineCompositor m_Compositor; |
| bool m_bVertical; |
| bool m_bFlipX; |
| bool m_bFlipY; |
| int m_AlphaFlag; |
| bool m_bRgbByteOrder; |
| int m_BlendType; |
| std::vector<uint8_t> m_pScanlineV; |
| std::vector<uint8_t> m_pClipScanV; |
| std::vector<uint8_t> m_pAddClipScan; |
| std::vector<uint8_t> m_pScanlineAlphaV; |
| }; |
| |
| #endif // CORE_FXGE_DIB_CFX_BITMAPCOMPOSER_H_ |