Sprite_D32_S32 Class Reference

Inheritance diagram for Sprite_D32_S32:

Public Member Functions
	Sprite_D32_S32 (const SkPixmap &src, U8CPU alpha)
void	blitRect (int x, int y, int width, int height) override
	Blit a solid rectangle one or more pixels wide.
Public Member Functions inherited from SkSpriteBlitter
	SkSpriteBlitter (const SkPixmap &source)
virtual bool	setup (const SkPixmap &dst, int left, int top, const SkPaint &)
void	blitH (int x, int y, int width) override
	Blit a horizontal run of one or more pixels.
void	blitAntiH (int x, int y, const SkAlpha antialias[], const int16_t runs[]) override
void	blitV (int x, int y, int height, SkAlpha alpha) override
	Blit a vertical run of pixels with a constant alpha value.
void	blitMask (const SkMask &, const SkIRect &clip) override
Public Member Functions inherited from SkBlitter
virtual	~SkBlitter ()
virtual void	blitAntiRect (int x, int y, int width, int height, SkAlpha leftAlpha, SkAlpha rightAlpha)
void	blitFatAntiRect (const SkRect &rect)
virtual void	blitAntiH2 (int x, int y, U8CPU a0, U8CPU a1)
virtual void	blitAntiV2 (int x, int y, U8CPU a0, U8CPU a1)
virtual bool	isNullBlitter () const
virtual int	requestRowsPreserved () const
virtual void *	allocBlitMemory (size_t sz)
void	blitRectRegion (const SkIRect &rect, const SkRegion &clip)
void	blitRegion (const SkRegion &clip)

Additional Inherited Members
Static Public Member Functions inherited from SkSpriteBlitter
static SkSpriteBlitter *	ChooseL32 (const SkPixmap &source, const SkPaint &, SkArenaAlloc *)
Static Public Member Functions inherited from SkBlitter
static bool	UseLegacyBlitter (const SkPixmap &, const SkPaint &, const SkMatrix &)
static SkBlitter *	Choose (const SkPixmap &dst, const SkMatrix &ctm, const SkPaint &paint, SkArenaAlloc *, bool drawCoverage, sk_sp< SkShader > clipShader, const SkSurfaceProps &props)
static SkBlitter *	ChooseSprite (const SkPixmap &dst, const SkPaint &, const SkPixmap &src, int left, int top, SkArenaAlloc *, sk_sp< SkShader > clipShader)
Protected Attributes inherited from SkSpriteBlitter
SkPixmap	fDst
const SkPixmap	fSource
int	fLeft
int	fTop
const SkPaint *	fPaint
Protected Attributes inherited from SkBlitter
SkAutoMalloc	fBlitMemory

Detailed Description

Definition at line 22 of file SkSpriteBlitter_ARGB32.cpp.

Constructor & Destructor Documentation

Sprite_D32_S32()

Sprite_D32_S32::Sprite_D32_S32 ( const SkPixmap &  src, U8CPU  alpha  )

inline

Definition at line 24 of file SkSpriteBlitter_ARGB32.cpp.

                                                      : INHERITED(src) {
        SkASSERT(src.colorType() == kN32_SkColorType);
 
        unsigned flags32 = 0;
        if (255 != alpha) {
            flags32 |= SkBlitRow::kGlobalAlpha_Flag32;
        }
        if (!src.isOpaque()) {
            flags32 |= SkBlitRow::kSrcPixelAlpha_Flag32;
        }
 
        fProc32 = SkBlitRow::Factory32(flags32);
        fAlpha = alpha;
    }

Member Function Documentation

blitRect()

void Sprite_D32_S32::blitRect ( int  x, int  y, int  width, int  height  )

inlineoverridevirtual

Blit a solid rectangle one or more pixels wide.

Implements SkSpriteBlitter.

Definition at line 39 of file SkSpriteBlitter_ARGB32.cpp.

                                                                {
        SkASSERT(width > 0 && height > 0);
        uint32_t* SK_RESTRICT dst = fDst.writable_addr32(x, y);
        const uint32_t* SK_RESTRICT src = fSource.addr32(x - fLeft, y - fTop);
        size_t dstRB = fDst.rowBytes();
        size_t srcRB = fSource.rowBytes();
        SkBlitRow::Proc32 proc = fProc32;
        U8CPU             alpha = fAlpha;
 
        do {
            proc(dst, src, width, alpha);
            dst = (uint32_t* SK_RESTRICT)((char*)dst + dstRB);
            src = (const uint32_t* SK_RESTRICT)((const char*)src + srcRB);
        } while (--height != 0);
    }

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The documentation for this class was generated from the following file:

• third_party/skia/src/core/SkSpriteBlitter_ARGB32.cpp