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// Copyright 2014 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.
#ifndef _FX_SKIABLITTER_H_
#define _FX_SKIABLITTER_H_
//#define _SKIA_SUPPORT_
#if defined(_SKIA_SUPPORT_)
class CFX_SkiaRenderer : public SkBlitter
{
protected:
int m_Alpha,
m_Red, // Or the complementary-color, Cyan
m_Green, // Magenta
m_Blue, // Yellow
m_Gray; // Black
FX_DWORD m_Color; // FX_ARGB or FX_CMYK
FX_BOOL m_bFullCover;
int m_ProcessFilter;
FX_BOOL m_bRgbByteOrder;
FX_RECT m_ClipBox;
CFX_DIBitmap* m_pDevice;
CFX_DIBitmap* m_pOriDevice;
const CFX_ClipRgn* m_pClipRgn;
const CFX_DIBitmap* m_pClipMask;
FX_LPBYTE m_pDestScan;
FX_LPBYTE m_pDestExtraAlphaScan;
FX_LPBYTE m_pOriScan;
FX_LPBYTE m_pClipScan;
void (CFX_SkiaRenderer::*composite_span)(FX_LPBYTE,FX_LPBYTE,int,int,int,int,FX_BYTE,int,int,int,FX_LPBYTE,FX_LPBYTE);
public:
//--------------------------------------------------------------------
virtual void blitAntiH(int x, int y, const SkAlpha antialias[], const int16_t runs[]);
virtual void blitH(int x, int y, int width);
virtual void blitV(int x, int y, int height, SkAlpha alpha);
virtual void blitRect(int x, int y, int width, int height);
virtual void blitAntiRect(int x, int y, int width, int height, SkAlpha leftAlpha, SkAlpha rightAlpha);
/*------------------------------------------------------------------------------------------------------*/
// A general alpha merge function (with clipping mask). Gray device.
void CompositeSpan1bpp_0(FX_LPBYTE dest_scan, FX_LPBYTE ori_scan,int Bpp,
int span_left, int span_len, int span_top, FX_BYTE cover_scan,
int clip_top, int clip_left, int clip_right, FX_LPBYTE clip_scan,
FX_LPBYTE dest_extra_alpha_scan);
void CompositeSpan1bpp_1(FX_LPBYTE dest_scan, FX_LPBYTE ori_scan,int Bpp,
int span_left, int span_len, int span_top, FX_BYTE cover_scan,
int clip_top, int clip_left, int clip_right, FX_LPBYTE clip_scan,
FX_LPBYTE dest_extra_alpha_scan);
void CompositeSpan1bpp_4(FX_LPBYTE dest_scan, FX_LPBYTE ori_scan,int Bpp,
int span_left, int span_len, int span_top, FX_BYTE cover_scan,
int clip_top, int clip_left, int clip_right, FX_LPBYTE clip_scan,
FX_LPBYTE dest_extra_alpha_scan);
void CompositeSpan1bpp_5(FX_LPBYTE dest_scan, FX_LPBYTE ori_scan,int Bpp,
int span_left, int span_len, int span_top, FX_BYTE cover_scan,
int clip_top, int clip_left, int clip_right, FX_LPBYTE clip_scan,
FX_LPBYTE dest_extra_alpha_scan);
void CompositeSpan1bpp_8(FX_LPBYTE dest_scan, FX_LPBYTE ori_scan,int Bpp,
int span_left, int span_len, int span_top, FX_BYTE cover_scan,
int clip_top, int clip_left, int clip_right, FX_LPBYTE clip_scan,
FX_LPBYTE dest_extra_alpha_scan);
void CompositeSpan1bpp_9(FX_LPBYTE dest_scan, FX_LPBYTE ori_scan,int Bpp,
int span_left, int span_len, int span_top, FX_BYTE cover_scan,
int clip_top, int clip_left, int clip_right, FX_LPBYTE clip_scan,
FX_LPBYTE dest_extra_alpha_scan);
void CompositeSpan1bpp_12(FX_LPBYTE dest_scan, FX_LPBYTE ori_scan,int Bpp,
int span_left, int span_len, int span_top, FX_BYTE cover_scan,
int clip_top, int clip_left, int clip_right, FX_LPBYTE clip_scan,
FX_LPBYTE dest_extra_alpha_scan);
void CompositeSpan1bpp_13(FX_LPBYTE dest_scan, FX_LPBYTE ori_scan,int Bpp,
int span_left, int span_len, int span_top, FX_BYTE cover_scan,
int clip_top, int clip_left, int clip_right, FX_LPBYTE clip_scan,
FX_LPBYTE dest_extra_alpha_scan);
/*--------------------------------------------------------------------------------------------------------*/
// A general alpha merge function (with clipping mask). Gray device.
void CompositeSpanGray_2(FX_LPBYTE dest_scan, FX_LPBYTE ori_scan,int Bpp,
int span_left, int span_len, int span_top, FX_BYTE cover_scan,
int clip_top, int clip_left, int clip_right, FX_LPBYTE clip_scan,
FX_LPBYTE dest_extra_alpha_scan);
void CompositeSpanGray_3(FX_LPBYTE dest_scan, FX_LPBYTE ori_scan,int Bpp,
int span_left, int span_len, int span_top, FX_BYTE cover_scan,
int clip_top, int clip_left, int clip_right, FX_LPBYTE clip_scan,
FX_LPBYTE dest_extra_alpha_scan);
void CompositeSpanGray_6(FX_LPBYTE dest_scan, FX_LPBYTE ori_scan,int Bpp,
int span_left, int span_len, int span_top, FX_BYTE cover_scan,
int clip_top, int clip_left, int clip_right, FX_LPBYTE clip_scan,
FX_LPBYTE dest_extra_alpha_scan);
void CompositeSpanGray_7(FX_LPBYTE dest_scan, FX_LPBYTE ori_scan,int Bpp,
int span_left, int span_len, int span_top, FX_BYTE cover_scan,
int clip_top, int clip_left, int clip_right, FX_LPBYTE clip_scan,
FX_LPBYTE dest_extra_alpha_scan);
void CompositeSpanGray_10(FX_LPBYTE dest_scan, FX_LPBYTE ori_scan,int Bpp,
int span_left, int span_len, int span_top, FX_BYTE cover_scan,
int clip_top, int clip_left, int clip_right, FX_LPBYTE clip_scan,
FX_LPBYTE dest_extra_alpha_scan);
void CompositeSpanGray_11(FX_LPBYTE dest_scan, FX_LPBYTE ori_scan,int Bpp,
int span_left, int span_len, int span_top, FX_BYTE cover_scan,
int clip_top, int clip_left, int clip_right, FX_LPBYTE clip_scan,
FX_LPBYTE dest_extra_alpha_scan);
void CompositeSpanGray_14(FX_LPBYTE dest_scan, FX_LPBYTE ori_scan,int Bpp,
int span_left, int span_len, int span_top, FX_BYTE cover_scan,
int clip_top, int clip_left, int clip_right, FX_LPBYTE clip_scan,
FX_LPBYTE dest_extra_alpha_scan);
void CompositeSpanGray_15(FX_LPBYTE dest_scan, FX_LPBYTE ori_scan,int Bpp,
int span_left, int span_len, int span_top, FX_BYTE cover_scan,
int clip_top, int clip_left, int clip_right, FX_LPBYTE clip_scan,
FX_LPBYTE dest_extra_alpha_scan);
/*--------------------------------------------------------------------------------------------------------*/
void CompositeSpanARGB_2(FX_LPBYTE dest_scan, FX_LPBYTE ori_scan,int Bpp,
int span_left, int span_len, int span_top, FX_BYTE cover_scan,
int clip_top, int clip_left, int clip_right, FX_LPBYTE clip_scan,
FX_LPBYTE dest_extra_alpha_scan);
void CompositeSpanARGB_3(FX_LPBYTE dest_scan, FX_LPBYTE ori_scan,int Bpp,
int span_left, int span_len, int span_top, FX_BYTE cover_scan,
int clip_top, int clip_left, int clip_right, FX_LPBYTE clip_scan,
FX_LPBYTE dest_extra_alpha_scan);
void CompositeSpanARGB_6(FX_LPBYTE dest_scan, FX_LPBYTE ori_scan,int Bpp,
int span_left, int span_len, int span_top, FX_BYTE cover_scan,
int clip_top, int clip_left, int clip_right, FX_LPBYTE clip_scan,
FX_LPBYTE dest_extra_alpha_scan);
void CompositeSpanARGB_7(FX_LPBYTE dest_scan, FX_LPBYTE ori_scan,int Bpp,
int span_left, int span_len, int span_top, FX_BYTE cover_scan,
int clip_top, int clip_left, int clip_right, FX_LPBYTE clip_scan,
FX_LPBYTE dest_extra_alpha_scan);
// ...
/*--------------------------------------------------------------------------------------------------------*/
void CompositeSpanRGB32_2(FX_LPBYTE dest_scan, FX_LPBYTE ori_scan,int Bpp,
int span_left, int span_len, int span_top, FX_BYTE cover_scan,
int clip_top, int clip_left, int clip_right, FX_LPBYTE clip_scan,
FX_LPBYTE dest_extra_alpha_scan);
void CompositeSpanRGB32_3(FX_LPBYTE dest_scan, FX_LPBYTE ori_scan,int Bpp,
int span_left, int span_len, int span_top, FX_BYTE cover_scan,
int clip_top, int clip_left, int clip_right, FX_LPBYTE clip_scan,
FX_LPBYTE dest_extra_alpha_scan);
void CompositeSpanRGB32_6(FX_LPBYTE dest_scan, FX_LPBYTE ori_scan,int Bpp,
int span_left, int span_len, int span_top, FX_BYTE cover_scan,
int clip_top, int clip_left, int clip_right, FX_LPBYTE clip_scan,
FX_LPBYTE dest_extra_alpha_scan);
void CompositeSpanRGB32_7(FX_LPBYTE dest_scan, FX_LPBYTE ori_scan,int Bpp,
int span_left, int span_len, int span_top, FX_BYTE cover_scan,
int clip_top, int clip_left, int clip_right, FX_LPBYTE clip_scan,
FX_LPBYTE dest_extra_alpha_scan);
/*---------------------------------------------------------------------------------------------------------*/
void CompositeSpanRGB24_2(FX_LPBYTE dest_scan, FX_LPBYTE ori_scan,int Bpp,
int span_left, int span_len, int span_top, FX_BYTE cover_scan,
int clip_top, int clip_left, int clip_right, FX_LPBYTE clip_scan,
FX_LPBYTE dest_extra_alpha_scan);
void CompositeSpanRGB24_3(FX_LPBYTE dest_scan, FX_LPBYTE ori_scan,int Bpp,
int span_left, int span_len, int span_top, FX_BYTE cover_scan,
int clip_top, int clip_left, int clip_right, FX_LPBYTE clip_scan,
FX_LPBYTE dest_extra_alpha_scan);
void CompositeSpanRGB24_6(FX_LPBYTE dest_scan, FX_LPBYTE ori_scan,int Bpp,
int span_left, int span_len, int span_top, FX_BYTE cover_scan,
int clip_top, int clip_left, int clip_right, FX_LPBYTE clip_scan,
FX_LPBYTE dest_extra_alpha_scan);
void CompositeSpanRGB24_7(FX_LPBYTE dest_scan, FX_LPBYTE ori_scan,int Bpp,
int span_left, int span_len, int span_top, FX_BYTE cover_scan,
int clip_top, int clip_left, int clip_right, FX_LPBYTE clip_scan,
FX_LPBYTE dest_extra_alpha_scan);
void CompositeSpanRGB24_10(FX_LPBYTE dest_scan, FX_LPBYTE ori_scan,int Bpp,
int span_left, int span_len, int span_top, FX_BYTE cover_scan,
int clip_top, int clip_left, int clip_right, FX_LPBYTE clip_scan,
FX_LPBYTE dest_extra_alpha_scan);
void CompositeSpanRGB24_11(FX_LPBYTE dest_scan, FX_LPBYTE ori_scan,int Bpp,
int span_left, int span_len, int span_top, FX_BYTE cover_scan,
int clip_top, int clip_left, int clip_right, FX_LPBYTE clip_scan,
FX_LPBYTE dest_extra_alpha_scan);
void CompositeSpanRGB24_14(FX_LPBYTE dest_scan, FX_LPBYTE ori_scan,int Bpp,
int span_left, int span_len, int span_top, FX_BYTE cover_scan,
int clip_top, int clip_left, int clip_right, FX_LPBYTE clip_scan,
FX_LPBYTE dest_extra_alpha_scan);
void CompositeSpanRGB24_15(FX_LPBYTE dest_scan, FX_LPBYTE ori_scan,int Bpp,
int span_left, int span_len, int span_top, FX_BYTE cover_scan,
int clip_top, int clip_left, int clip_right, FX_LPBYTE clip_scan,
FX_LPBYTE dest_extra_alpha_scan);
/*----------------------------------------------------------------------------------------------------------*/
// A general alpha merge function (with clipping mask). Cmyka/Cmyk device.
void CompositeSpanCMYK(FX_LPBYTE dest_scan, FX_LPBYTE ori_scan,int Bpp,
int span_left, int span_len, int span_top, FX_BYTE cover_scan,
int clip_top, int clip_left, int clip_right, FX_LPBYTE clip_scan,
FX_LPBYTE dest_extra_alpha_scan);
//--------------------------------------------------------------------
FX_BOOL Init(CFX_DIBitmap* pDevice, CFX_DIBitmap* pOriDevice, const CFX_ClipRgn* pClipRgn, FX_DWORD color, FX_BOOL bFullCover, FX_BOOL bRgbByteOrder,
int alpha_flag = 0, void* pIccTransform = NULL); //The alpha flag must be fill_flag if exist.
};
class CFX_SkiaA8Renderer : public SkBlitter
{
public:
//--------------------------------------------------------------------
virtual void blitAntiH(int x, int y, const SkAlpha antialias[], const int16_t runs[]);
virtual void blitH(int x, int y, int width);
virtual void blitV(int x, int y, int height, SkAlpha alpha);
virtual void blitRect(int x, int y, int width, int height);
virtual void blitAntiRect(int x, int y, int width, int height, SkAlpha leftAlpha, SkAlpha rightAlpha);
//--------------------------------------------------------------------
FX_BOOL Init(CFX_DIBitmap* pDevice, int Left, int Top);
CFX_DIBitmap* m_pDevice;
int m_Left;
int m_Top;
int m_dstWidth;
int m_dstHeight;
};
#endif
#endif
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