core/src/fxge/skia/fx_skia_blitter_new.h

// 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 CORE_SRC_FXGE_SKIA_FX_SKIA_BLITTER_NEW_H_
#define CORE_SRC_FXGE_SKIA_FX_SKIA_BLITTER_NEW_H_

#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
	bool		m_bFullCover;
	int			m_ProcessFilter;
	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;

	uint8_t* m_pDestScan;
	uint8_t* m_pDestExtraAlphaScan;
	uint8_t* m_pOriScan;
	uint8_t* m_pClipScan;

	void (CFX_SkiaRenderer::*composite_span)(uint8_t*,uint8_t*,int,int,int,int,uint8_t,int,int,int,uint8_t*,uint8_t*);
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(uint8_t* dest_scan, uint8_t* ori_scan,int Bpp,
			int span_left, int span_len, int span_top, uint8_t cover_scan,
			int clip_top, int clip_left, int clip_right, uint8_t* clip_scan,
			uint8_t* dest_extra_alpha_scan);
	void CompositeSpan1bpp_1(uint8_t* dest_scan, uint8_t* ori_scan,int Bpp,
			int span_left, int span_len, int span_top, uint8_t cover_scan,
			int clip_top, int clip_left, int clip_right, uint8_t* clip_scan,
			uint8_t* dest_extra_alpha_scan);
	void CompositeSpan1bpp_4(uint8_t* dest_scan, uint8_t* ori_scan,int Bpp,
			int span_left, int span_len, int span_top, uint8_t cover_scan,
			int clip_top, int clip_left, int clip_right, uint8_t* clip_scan,
			uint8_t* dest_extra_alpha_scan);
	void CompositeSpan1bpp_5(uint8_t* dest_scan, uint8_t* ori_scan,int Bpp,
			int span_left, int span_len, int span_top, uint8_t cover_scan,
			int clip_top, int clip_left, int clip_right, uint8_t* clip_scan,
			uint8_t* dest_extra_alpha_scan);
	void CompositeSpan1bpp_8(uint8_t* dest_scan, uint8_t* ori_scan,int Bpp,
			int span_left, int span_len, int span_top, uint8_t cover_scan,
			int clip_top, int clip_left, int clip_right, uint8_t* clip_scan,
			uint8_t* dest_extra_alpha_scan);
	void CompositeSpan1bpp_9(uint8_t* dest_scan, uint8_t* ori_scan,int Bpp,
			int span_left, int span_len, int span_top, uint8_t cover_scan,
			int clip_top, int clip_left, int clip_right, uint8_t* clip_scan,
			uint8_t* dest_extra_alpha_scan);
	void CompositeSpan1bpp_12(uint8_t* dest_scan, uint8_t* ori_scan,int Bpp,
			int span_left, int span_len, int span_top, uint8_t cover_scan,
			int clip_top, int clip_left, int clip_right, uint8_t* clip_scan,
			uint8_t* dest_extra_alpha_scan);
	void CompositeSpan1bpp_13(uint8_t* dest_scan, uint8_t* ori_scan,int Bpp,
			int span_left, int span_len, int span_top, uint8_t cover_scan,
			int clip_top, int clip_left, int clip_right, uint8_t* clip_scan,
			uint8_t* dest_extra_alpha_scan);

	/*--------------------------------------------------------------------------------------------------------*/

	// A general alpha merge function (with clipping mask). Gray device.
	void CompositeSpanGray_2(uint8_t* dest_scan, uint8_t* ori_scan,int Bpp,
			int span_left, int span_len, int span_top, uint8_t cover_scan,
			int clip_top, int clip_left, int clip_right, uint8_t* clip_scan,
			uint8_t* dest_extra_alpha_scan);

	void CompositeSpanGray_3(uint8_t* dest_scan, uint8_t* ori_scan,int Bpp,
			int span_left, int span_len, int span_top, uint8_t cover_scan,
			int clip_top, int clip_left, int clip_right, uint8_t* clip_scan,
			uint8_t* dest_extra_alpha_scan);

	void CompositeSpanGray_6(uint8_t* dest_scan, uint8_t* ori_scan,int Bpp,
			int span_left, int span_len, int span_top, uint8_t cover_scan,
			int clip_top, int clip_left, int clip_right, uint8_t* clip_scan,
			uint8_t* dest_extra_alpha_scan);

	void CompositeSpanGray_7(uint8_t* dest_scan, uint8_t* ori_scan,int Bpp,
			int span_left, int span_len, int span_top, uint8_t cover_scan,
			int clip_top, int clip_left, int clip_right, uint8_t* clip_scan,
			uint8_t* dest_extra_alpha_scan);

	void CompositeSpanGray_10(uint8_t* dest_scan, uint8_t* ori_scan,int Bpp,
			int span_left, int span_len, int span_top, uint8_t cover_scan,
			int clip_top, int clip_left, int clip_right, uint8_t* clip_scan,
			uint8_t* dest_extra_alpha_scan);


	void CompositeSpanGray_11(uint8_t* dest_scan, uint8_t* ori_scan,int Bpp,
			int span_left, int span_len, int span_top, uint8_t cover_scan,
			int clip_top, int clip_left, int clip_right, uint8_t* clip_scan,
			uint8_t* dest_extra_alpha_scan);

	void CompositeSpanGray_14(uint8_t* dest_scan, uint8_t* ori_scan,int Bpp,
			int span_left, int span_len, int span_top, uint8_t cover_scan,
			int clip_top, int clip_left, int clip_right, uint8_t* clip_scan,
			uint8_t* dest_extra_alpha_scan);

	void CompositeSpanGray_15(uint8_t* dest_scan, uint8_t* ori_scan,int Bpp,
			int span_left, int span_len, int span_top, uint8_t cover_scan,
			int clip_top, int clip_left, int clip_right, uint8_t* clip_scan,
			uint8_t* dest_extra_alpha_scan);

	/*--------------------------------------------------------------------------------------------------------*/
	void CompositeSpanARGB_2(uint8_t* dest_scan, uint8_t* ori_scan,int Bpp,
			int span_left, int span_len, int span_top, uint8_t cover_scan,
			int clip_top, int clip_left, int clip_right, uint8_t* clip_scan,
			uint8_t* dest_extra_alpha_scan);

	void CompositeSpanARGB_3(uint8_t* dest_scan, uint8_t* ori_scan,int Bpp,
			int span_left, int span_len, int span_top, uint8_t cover_scan,
			int clip_top, int clip_left, int clip_right, uint8_t* clip_scan,
			uint8_t* dest_extra_alpha_scan);


	void CompositeSpanARGB_6(uint8_t* dest_scan, uint8_t* ori_scan,int Bpp,
			int span_left, int span_len, int span_top, uint8_t cover_scan,
			int clip_top, int clip_left, int clip_right, uint8_t* clip_scan,
			uint8_t* dest_extra_alpha_scan);


	void CompositeSpanARGB_7(uint8_t* dest_scan, uint8_t* ori_scan,int Bpp,
			int span_left, int span_len, int span_top, uint8_t cover_scan,
			int clip_top, int clip_left, int clip_right, uint8_t* clip_scan,
			uint8_t* dest_extra_alpha_scan);
	// ...
	/*--------------------------------------------------------------------------------------------------------*/
	void CompositeSpanRGB32_2(uint8_t* dest_scan, uint8_t* ori_scan,int Bpp,
			int span_left, int span_len, int span_top, uint8_t cover_scan,
			int clip_top, int clip_left, int clip_right, uint8_t* clip_scan,
			uint8_t* dest_extra_alpha_scan);
	void CompositeSpanRGB32_3(uint8_t* dest_scan, uint8_t* ori_scan,int Bpp,
			int span_left, int span_len, int span_top, uint8_t cover_scan,
			int clip_top, int clip_left, int clip_right, uint8_t* clip_scan,
			uint8_t* dest_extra_alpha_scan);
	void CompositeSpanRGB32_6(uint8_t* dest_scan, uint8_t* ori_scan,int Bpp,
			int span_left, int span_len, int span_top, uint8_t cover_scan,
			int clip_top, int clip_left, int clip_right, uint8_t* clip_scan,
			uint8_t* dest_extra_alpha_scan);
	void CompositeSpanRGB32_7(uint8_t* dest_scan, uint8_t* ori_scan,int Bpp,
			int span_left, int span_len, int span_top, uint8_t cover_scan,
			int clip_top, int clip_left, int clip_right, uint8_t* clip_scan,
			uint8_t* dest_extra_alpha_scan);

	/*---------------------------------------------------------------------------------------------------------*/

	void CompositeSpanRGB24_2(uint8_t* dest_scan, uint8_t* ori_scan,int Bpp,
			int span_left, int span_len, int span_top, uint8_t cover_scan,
			int clip_top, int clip_left, int clip_right, uint8_t* clip_scan,
			uint8_t* dest_extra_alpha_scan);
	void CompositeSpanRGB24_3(uint8_t* dest_scan, uint8_t* ori_scan,int Bpp,
			int span_left, int span_len, int span_top, uint8_t cover_scan,
			int clip_top, int clip_left, int clip_right, uint8_t* clip_scan,
			uint8_t* dest_extra_alpha_scan);
	void CompositeSpanRGB24_6(uint8_t* dest_scan, uint8_t* ori_scan,int Bpp,
			int span_left, int span_len, int span_top, uint8_t cover_scan,
			int clip_top, int clip_left, int clip_right, uint8_t* clip_scan,
			uint8_t* dest_extra_alpha_scan);
	void CompositeSpanRGB24_7(uint8_t* dest_scan, uint8_t* ori_scan,int Bpp,
			int span_left, int span_len, int span_top, uint8_t cover_scan,
			int clip_top, int clip_left, int clip_right, uint8_t* clip_scan,
			uint8_t* dest_extra_alpha_scan);
	void CompositeSpanRGB24_10(uint8_t* dest_scan, uint8_t* ori_scan,int Bpp,
			int span_left, int span_len, int span_top, uint8_t cover_scan,
			int clip_top, int clip_left, int clip_right, uint8_t* clip_scan,
			uint8_t* dest_extra_alpha_scan);
	void CompositeSpanRGB24_11(uint8_t* dest_scan, uint8_t* ori_scan,int Bpp,
			int span_left, int span_len, int span_top, uint8_t cover_scan,
			int clip_top, int clip_left, int clip_right, uint8_t* clip_scan,
			uint8_t* dest_extra_alpha_scan);
	void CompositeSpanRGB24_14(uint8_t* dest_scan, uint8_t* ori_scan,int Bpp,
			int span_left, int span_len, int span_top, uint8_t cover_scan,
			int clip_top, int clip_left, int clip_right, uint8_t* clip_scan,
			uint8_t* dest_extra_alpha_scan);
	void CompositeSpanRGB24_15(uint8_t* dest_scan, uint8_t* ori_scan,int Bpp,
			int span_left, int span_len, int span_top, uint8_t cover_scan,
			int clip_top, int clip_left, int clip_right, uint8_t* clip_scan,
			uint8_t* dest_extra_alpha_scan);

	/*----------------------------------------------------------------------------------------------------------*/

	// A general alpha merge function (with clipping mask). Cmyka/Cmyk device.
	void CompositeSpanCMYK(uint8_t* dest_scan, uint8_t* ori_scan,int Bpp,
			int span_left, int span_len, int span_top, uint8_t cover_scan,
			int clip_top, int clip_left, int clip_right, uint8_t* clip_scan,
			uint8_t* dest_extra_alpha_scan);


	//--------------------------------------------------------------------
	bool Init(CFX_DIBitmap* pDevice, CFX_DIBitmap* pOriDevice, const CFX_ClipRgn* pClipRgn, FX_DWORD color, bool bFullCover, 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);
	//--------------------------------------------------------------------
	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  // CORE_SRC_FXGE_SKIA_FX_SKIA_BLITTER_NEW_H_