803227e0445496ea2dd08ae2972b1ddf1a6f7e12
[pdfium.git] / core / src / fxge / agg / include / fx_agg_driver.h
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 FX_AGG_DRIVER_H_
8 #define FX_AGG_DRIVER_H_
9
10 #include "fxfx_agg_path_storage.h"
11 #include "fxfx_agg_rasterizer_scanline_aa.h"
12
13 class CAgg_PathData 
14 {
15 public:
16     CAgg_PathData() {}
17     ~CAgg_PathData() {}
18     FX_NAMESPACE_DECLARE(agg, path_storage)     m_PathData;
19     void                        BuildPath(const CFX_PathData* pPathData, const CFX_AffineMatrix* pObject2Device);
20 };
21 class CFX_AggDeviceDriver : public IFX_RenderDeviceDriver
22 {
23 public:
24     CFX_AggDeviceDriver(CFX_DIBitmap* pBitmap, int dither_bits, FX_BOOL bRgbByteOrder, CFX_DIBitmap* pOriDevice, FX_BOOL bGroupKnockout);
25     virtual ~CFX_AggDeviceDriver();
26     void                                InitPlatform();
27     void                                DestroyPlatform();
28
29
30     virtual int                 GetDeviceCaps(int caps_id);
31
32
33     virtual void                SaveState();
34     virtual void                RestoreState(FX_BOOL bKeepSaved);
35
36
37     virtual FX_BOOL             SetClip_PathFill(const CFX_PathData* pPathData,
38                                          const CFX_AffineMatrix* pObject2Device,
39                                          int fill_mode
40                                      );
41
42
43     virtual FX_BOOL             SetClip_PathStroke(const CFX_PathData* pPathData,
44                                            const CFX_AffineMatrix* pObject2Device,
45                                            const CFX_GraphStateData* pGraphState
46                                        );
47
48
49     virtual FX_BOOL             DrawPath(const CFX_PathData* pPathData,
50                                  const CFX_AffineMatrix* pObject2Device,
51                                  const CFX_GraphStateData* pGraphState,
52                                  FX_DWORD fill_color,
53                                  FX_DWORD stroke_color,
54                                  int fill_mode,
55                                  int alpha_flag,
56                                  void* pIccTransform,
57                                  int blend_type
58                              );
59
60     virtual FX_BOOL             SetPixel(int x, int y, FX_DWORD color,
61                                  int alpha_flag, void* pIccTransform);
62
63     virtual FX_BOOL             FillRect(const FX_RECT* pRect,
64                                  FX_DWORD fill_color, int alpha_flag, void* pIccTransform, int blend_type);
65
66
67     virtual FX_BOOL             DrawCosmeticLine(FX_FLOAT x1, FX_FLOAT y1, FX_FLOAT x2, FX_FLOAT y2, FX_DWORD color,
68                                          int alpha_flag, void* pIccTransform, int blend_type)
69     {
70         return FALSE;
71     }
72
73     virtual FX_BOOL             GetClipBox(FX_RECT* pRect);
74
75
76     virtual FX_BOOL             GetDIBits(CFX_DIBitmap* pBitmap, int left, int top, void* pIccTransform = NULL, FX_BOOL bDEdge = FALSE);
77     virtual CFX_DIBitmap*   GetBackDrop()
78     {
79         return m_pOriDevice;
80     }
81
82     virtual FX_BOOL             SetDIBits(const CFX_DIBSource* pBitmap, FX_DWORD color, const FX_RECT* pSrcRect, int left, int top, int blend_type,
83                                   int alpha_flag, void* pIccTransform);
84     virtual FX_BOOL             StretchDIBits(const CFX_DIBSource* pBitmap, FX_DWORD color, int dest_left, int dest_top,
85                                       int dest_width, int dest_height, const FX_RECT* pClipRect, FX_DWORD flags,
86                                       int alpha_flag, void* pIccTransform, int blend_type);
87
88     virtual FX_BOOL             StartDIBits(const CFX_DIBSource* pBitmap, int bitmap_alpha, FX_DWORD color,
89                                     const CFX_AffineMatrix* pMatrix, FX_DWORD flags, void*& handle,
90                                     int alpha_flag, void* pIccTransform, int blend_type);
91     virtual FX_BOOL             ContinueDIBits(void* handle, IFX_Pause* pPause);
92     virtual void                CancelDIBits(void* handle);
93
94     virtual FX_BOOL     DrawDeviceText(int nChars, const FXTEXT_CHARPOS* pCharPos, CFX_Font* pFont,
95                                        CFX_FontCache* pCache, const CFX_AffineMatrix* pObject2Device, FX_FLOAT font_size, FX_DWORD color,
96                                        int alpha_flag, void* pIccTransform);
97     virtual FX_BOOL             RenderRasterizer(FX_NAMESPACE_DECLARE(agg, rasterizer_scanline_aa)& rasterizer, FX_DWORD color, FX_BOOL bFullCover, FX_BOOL bGroupKnockout,
98                                          int alpha_flag, void* pIccTransform);
99
100     void                                SetClipMask(FX_NAMESPACE_DECLARE(agg, rasterizer_scanline_aa)& rasterizer);
101
102     virtual     uint8_t*        GetBuffer() const
103     {
104         return m_pBitmap->GetBuffer();
105     }
106     virtual int                 GetDriverType()
107     {
108         return 1;
109     }
110
111     CFX_DIBitmap*               m_pBitmap;
112     CFX_ClipRgn*                m_pClipRgn;
113     CFX_PtrArray                m_StateStack;
114     void*                               m_pPlatformGraphics;
115     void*                               m_pPlatformBitmap;
116     void*                               m_pDwRenderTartget;
117     int                                 m_FillFlags;
118     int                                 m_DitherBits;
119     FX_BOOL                             m_bRgbByteOrder;
120     CFX_DIBitmap*       m_pOriDevice;
121     FX_BOOL             m_bGroupKnockout;
122 };
123
124 #endif  // FX_AGG_DRIVER_H_