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.
5 #ifndef CORE_SRC_FXGE_SKIA_FX_SKIA_DEVICE_H_
6 #define CORE_SRC_FXGE_SKIA_FX_SKIA_DEVICE_H_
8 #if defined(_SKIA_SUPPORT_)
9 class CFX_SkiaDeviceDriver : public IFX_RenderDeviceDriver
12 CFX_SkiaDeviceDriver(CFX_DIBitmap* pBitmap, int dither_bits, FX_BOOL bRgbByteOrder, CFX_DIBitmap* pOriDevice, FX_BOOL bGroupKnockout);
13 virtual ~CFX_SkiaDeviceDriver();
16 virtual int GetDeviceCaps(int caps_id);
18 /** Save and restore all graphic states */
19 virtual void SaveState();
20 virtual void RestoreState(FX_BOOL bKeepSaved);
22 /** Set clipping path using filled region */
23 virtual FX_BOOL SetClip_PathFill(const CFX_PathData* pPathData, // path info
24 const CFX_AffineMatrix* pObject2Device, // optional transformation
25 int fill_mode // fill mode, WINDING or ALTERNATE
28 /** Set clipping path using stroked region */
29 virtual FX_BOOL SetClip_PathStroke(const CFX_PathData* pPathData, // path info
30 const CFX_AffineMatrix* pObject2Device, // optional transformation
31 const CFX_GraphStateData* pGraphState // graphic state, for pen attributes
35 virtual FX_BOOL DrawPath(const CFX_PathData* pPathData,
36 const CFX_AffineMatrix* pObject2Device,
37 const CFX_GraphStateData* pGraphState,
39 FX_DWORD stroke_color,
42 void* pIccTransform = NULL
45 virtual FX_BOOL SetPixel(int x, int y, FX_DWORD color,
46 int alpha_flag = 0, void* pIccTransform = NULL);
48 virtual FX_BOOL FillRect(const FX_RECT* pRect, FX_DWORD fill_color,
49 int alpha_flag = 0, void* pIccTransform = NULL);
51 /** Draw a single pixel (device dependant) line */
52 virtual FX_BOOL DrawCosmeticLine(FX_FIXFLOAT x1, FX_FIXFLOAT y1, FX_FIXFLOAT x2, FX_FIXFLOAT y2, FX_DWORD color,
53 int alpha_flag, void* pIccTransform, int blend_type) { return FALSE; }
55 virtual FX_BOOL GetClipBox(FX_RECT* pRect);
57 /** Load device buffer into a DIB */
58 virtual FX_BOOL GetDIBits(CFX_DIBitmap* pBitmap, int left, int top, void* pIccTransform = NULL, FX_BOOL bDEdge = FALSE);
60 virtual CFX_DIBitmap* GetBackDrop() { return m_pAggDriver->GetBackDrop(); }
62 virtual FX_BOOL SetDIBits(const CFX_DIBSource* pBitmap, FX_DWORD color, const FX_RECT* pSrcRect,
63 int dest_left, int dest_top, int blend_type,
64 int alpha_flag = 0, void* pIccTransform = NULL);
65 virtual FX_BOOL StretchDIBits(const CFX_DIBSource* pBitmap, FX_DWORD color, int dest_left, int dest_top,
66 int dest_width, int dest_height, const FX_RECT* pClipRect, FX_DWORD flags,
67 int alpha_flag = 0, void* pIccTransform = NULL);
69 virtual FX_BOOL StartDIBits(const CFX_DIBSource* pBitmap, int bitmap_alpha, FX_DWORD color,
70 const CFX_AffineMatrix* pMatrix, FX_DWORD flags, void*& handle,
71 int alpha_flag = 0, void* pIccTransform = NULL);
72 virtual FX_BOOL ContinueDIBits(void* handle, IFX_Pause* pPause);
73 virtual void CancelDIBits(void* handle);
75 virtual FX_BOOL DrawDeviceText(int nChars, const FXTEXT_CHARPOS* pCharPos, CFX_Font* pFont,
76 CFX_FontCache* pCache, const CFX_AffineMatrix* pObject2Device, FX_FIXFLOAT font_size, FX_DWORD color,
77 int alpha_flag = 0, void* pIccTransform = NULL);
79 virtual FX_BOOL RenderRasterizer(rasterizer_scanline_aa& rasterizer, FX_DWORD color, FX_BOOL bFullCover, FX_BOOL bGroupKnockout,
80 int alpha_flag, void* pIccTransform);
81 virtual FX_BOOL RenderRasterizerSkia(SkPath& skPath, const SkPaint& origPaint, SkIRect& rect, FX_DWORD color, FX_BOOL bFullCover, FX_BOOL bGroupKnockout,
82 int alpha_flag, void* pIccTransform, FX_BOOL bFill = TRUE);
83 void SetClipMask(rasterizer_scanline_aa& rasterizer);
84 void SetClipMask(SkPath& skPath, SkPaint* spaint);
85 virtual uint8_t* GetBuffer() const {return m_pAggDriver->GetBuffer();}
87 CFX_AggDeviceDriver* m_pAggDriver;
89 #endif // defined(_SKIA_SUPPORT_)
91 #endif // CORE_SRC_FXGE_SKIA_FX_SKIA_DEVICE_H_