1 // Copyright 2014 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_FXGE_AGG_FX_AGG_DRIVER_H_ 8 #define CORE_FXGE_AGG_FX_AGG_DRIVER_H_ 9 10 #include <memory> 11 #include <vector> 12 13 #include "core/fxge/ifx_renderdevicedriver.h" 14 #include "third_party/agg23/agg_clip_liang_barsky.h" 15 #include "third_party/agg23/agg_path_storage.h" 16 #include "third_party/agg23/agg_rasterizer_scanline_aa.h" 17 18 class CFX_ClipRgn; 19 class CFX_GraphStateData; 20 class CFX_Matrix; 21 class CFX_PathData; 22 23 class CAgg_PathData { 24 public: 25 CAgg_PathData() {} 26 ~CAgg_PathData() {} 27 void BuildPath(const CFX_PathData* pPathData, 28 const CFX_Matrix* pObject2Device); 29 30 agg::path_storage m_PathData; 31 }; 32 33 class CFX_AggDeviceDriver : public IFX_RenderDeviceDriver { 34 public: 35 CFX_AggDeviceDriver(const RetainPtr<CFX_DIBitmap>& pBitmap, 36 bool bRgbByteOrder, 37 const RetainPtr<CFX_DIBitmap>& pOriDevice, 38 bool bGroupKnockout); 39 ~CFX_AggDeviceDriver() override; 40 41 void InitPlatform(); 42 void DestroyPlatform(); 43 44 // IFX_RenderDeviceDriver 45 int GetDeviceCaps(int caps_id) const override; 46 void SaveState() override; 47 void RestoreState(bool bKeepSaved) override; 48 bool SetClip_PathFill(const CFX_PathData* pPathData, 49 const CFX_Matrix* pObject2Device, 50 int fill_mode) override; 51 bool SetClip_PathStroke(const CFX_PathData* pPathData, 52 const CFX_Matrix* pObject2Device, 53 const CFX_GraphStateData* pGraphState) override; 54 bool DrawPath(const CFX_PathData* pPathData, 55 const CFX_Matrix* pObject2Device, 56 const CFX_GraphStateData* pGraphState, 57 uint32_t fill_color, 58 uint32_t stroke_color, 59 int fill_mode, 60 int blend_type) override; 61 bool SetPixel(int x, int y, uint32_t color) override; 62 bool FillRectWithBlend(const FX_RECT* pRect, 63 uint32_t fill_color, 64 int blend_type) override; 65 bool GetClipBox(FX_RECT* pRect) override; 66 bool GetDIBits(const RetainPtr<CFX_DIBitmap>& pBitmap, 67 int left, 68 int top) override; 69 RetainPtr<CFX_DIBitmap> GetBackDrop() override; 70 bool SetDIBits(const RetainPtr<CFX_DIBSource>& pBitmap, 71 uint32_t color, 72 const FX_RECT* pSrcRect, 73 int left, 74 int top, 75 int blend_type) override; 76 bool StretchDIBits(const RetainPtr<CFX_DIBSource>& pBitmap, 77 uint32_t color, 78 int dest_left, 79 int dest_top, 80 int dest_width, 81 int dest_height, 82 const FX_RECT* pClipRect, 83 uint32_t flags, 84 int blend_type) override; 85 bool StartDIBits(const RetainPtr<CFX_DIBSource>& pBitmap, 86 int bitmap_alpha, 87 uint32_t color, 88 const CFX_Matrix* pMatrix, 89 uint32_t flags, 90 std::unique_ptr<CFX_ImageRenderer>* handle, 91 int blend_type) override; 92 bool ContinueDIBits(CFX_ImageRenderer* handle, 93 IFX_PauseIndicator* pPause) override; 94 bool DrawDeviceText(int nChars, 95 const FXTEXT_CHARPOS* pCharPos, 96 CFX_Font* pFont, 97 const CFX_Matrix* pObject2Device, 98 float font_size, 99 uint32_t color) override; 100 int GetDriverType() const override; 101 102 bool RenderRasterizer(agg::rasterizer_scanline_aa& rasterizer, 103 uint32_t color, 104 bool bFullCover, 105 bool bGroupKnockout); 106 107 void SetClipMask(agg::rasterizer_scanline_aa& rasterizer); 108 109 virtual uint8_t* GetBuffer() const; 110 111 private: 112 RetainPtr<CFX_DIBitmap> m_pBitmap; 113 std::unique_ptr<CFX_ClipRgn> m_pClipRgn; 114 std::vector<std::unique_ptr<CFX_ClipRgn>> m_StateStack; 115 #if _FX_PLATFORM_ == _FX_PLATFORM_APPLE_ 116 void* m_pPlatformGraphics; 117 #endif 118 int m_FillFlags; 119 bool m_bRgbByteOrder; 120 RetainPtr<CFX_DIBitmap> m_pOriDevice; 121 bool m_bGroupKnockout; 122 }; 123 124 #endif // CORE_FXGE_AGG_FX_AGG_DRIVER_H_ 125
