DrawImageCommand Class Reference

#include <DrawCommand.h>

Inheritance diagram for DrawImageCommand:

Public Member Functions
	DrawImageCommand (const SkImage *image, SkScalar left, SkScalar top, const SkSamplingOptions &, const SkPaint *paint)
void	execute (SkCanvas *canvas) const override
bool	render (SkCanvas *canvas) const override
void	toJSON (SkJSONWriter &writer, UrlDataManager &urlDataManager) const override
uint64_t	imageId (UrlDataManager &udb) const
Public Member Functions inherited from DrawCommand
	DrawCommand (OpType opType)
virtual	~DrawCommand ()
bool	isVisible () const
void	setVisible (bool toggle)
OpType	getOpType () const

Additional Inherited Members
Public Types inherited from DrawCommand
enum	OpType {   kBeginDrawPicture_OpType , kClear_OpType , kClipPath_OpType , kClipRegion_OpType ,   kClipRect_OpType , kClipRRect_OpType , kClipShader_OpType , kResetClip_OpType ,   kConcat_OpType , kConcat44_OpType , kDrawAnnotation_OpType , kDrawBitmap_OpType ,   kDrawBitmapRect_OpType , kDrawDRRect_OpType , kDrawImage_OpType , kDrawImageLattice_OpType ,   kDrawImageRect_OpType , kDrawImageRectLayer_OpType , kDrawOval_OpType , kDrawArc_OpType ,   kDrawPaint_OpType , kDrawPatch_OpType , kDrawPath_OpType , kDrawPoints_OpType ,   kDrawRect_OpType , kDrawRRect_OpType , kDrawRegion_OpType , kDrawShadow_OpType ,   kDrawTextBlob_OpType , kDrawVertices_OpType , kDrawAtlas_OpType , kDrawDrawable_OpType ,   kDrawEdgeAAQuad_OpType , kDrawEdgeAAImageSet_OpType , kEndDrawPicture_OpType , kRestore_OpType ,   kSave_OpType , kSaveLayer_OpType , kSetMatrix_OpType , kSetM44_OpType ,   kLast_OpType = kSetM44_OpType }
Static Public Member Functions inherited from DrawCommand
static void	WritePNG (const SkBitmap &bitmap, SkWStream &out)
static const char *	GetCommandString (OpType type)
static void	MakeJsonColor (SkJSONWriter &, const SkColor color)
static void	MakeJsonColor4f (SkJSONWriter &, const SkColor4f &color)
static void	MakeJsonPoint (SkJSONWriter &, const SkPoint &point)
static void	MakeJsonPoint (SkJSONWriter &, SkScalar x, SkScalar y)
static void	MakeJsonPoint3 (SkJSONWriter &, const SkPoint3 &point)
static void	MakeJsonRect (SkJSONWriter &, const SkRect &rect)
static void	MakeJsonIRect (SkJSONWriter &, const SkIRect &)
static void	MakeJsonMatrix (SkJSONWriter &, const SkMatrix &)
static void	MakeJsonMatrix44 (SkJSONWriter &, const SkM44 &)
static void	MakeJsonPath (SkJSONWriter &, const SkPath &path)
static void	MakeJsonRegion (SkJSONWriter &, const SkRegion &region)
static void	MakeJsonSampling (SkJSONWriter &, const SkSamplingOptions &sampling)
static void	MakeJsonPaint (SkJSONWriter &, const SkPaint &paint, UrlDataManager &urlDataManager)
static void	MakeJsonLattice (SkJSONWriter &, const SkCanvas::Lattice &lattice)
static void	flatten (const SkFlattenable *flattenable, SkJSONWriter &writer, UrlDataManager &urlDataManager)
static bool	flatten (const SkImage &image, SkJSONWriter &writer, UrlDataManager &urlDataManager)
static bool	flatten (const SkBitmap &bitmap, SkJSONWriter &writer, UrlDataManager &urlDataManager)
Static Public Attributes inherited from DrawCommand
static const int	kOpTypeCount = kLast_OpType + 1

Detailed Description

Definition at line 289 of file DrawCommand.h.

Constructor & Destructor Documentation

DrawImageCommand()

DrawImageCommand::DrawImageCommand	(	const SkImage *	image,
		SkScalar	left,
		SkScalar	top,
		const SkSamplingOptions &	sampling,
		const SkPaint *	paint
	)

Definition at line 1193 of file DrawCommand.cpp.

        : INHERITED(kDrawImage_OpType)
        , fImage(SkRef(image))
        , fLeft(left)
        , fTop(top)
        , fSampling(sampling)
        , fPaint(paint) {}

Member Function Documentation

execute()

void DrawImageCommand::execute ( SkCanvas *  canvas ) const

overridevirtual

Implements DrawCommand.

Definition at line 1205 of file DrawCommand.cpp.

                                                     {
    canvas->drawImage(fImage.get(), fLeft, fTop, fSampling, fPaint.getMaybeNull());
}

imageId()

uint64_t DrawImageCommand::imageId

(

UrlDataManager &

udb

)

const

Definition at line 1221 of file DrawCommand.cpp.

                                                            {
    return udm.lookupImage(fImage.get());
}

render()

bool DrawImageCommand::render ( SkCanvas *  canvas ) const

overridevirtual

Reimplemented from DrawCommand.

Definition at line 1209 of file DrawCommand.cpp.

                                                    {
    SkAutoCanvasRestore acr(canvas, true);
    canvas->clear(0xFFFFFFFF);
 
    xlate_and_scale_to_bounds(
            canvas,
            SkRect::MakeXYWH(
                    fLeft, fTop, SkIntToScalar(fImage->width()), SkIntToScalar(fImage->height())));
    this->execute(canvas);
    return true;
}

toJSON()

void DrawImageCommand::toJSON ( SkJSONWriter &  writer, UrlDataManager &  urlDataManager  ) const

overridevirtual

Reimplemented from DrawCommand.

Definition at line 1225 of file DrawCommand.cpp.

                                                                                        {
    INHERITED::toJSON(writer, urlDataManager);
    flatten(*fImage, writer, urlDataManager);
    writer.appendName(DEBUGCANVAS_ATTRIBUTE_COORDS);
    MakeJsonPoint(writer, fLeft, fTop);
    if (fPaint.isValid()) {
        writer.appendName(DEBUGCANVAS_ATTRIBUTE_PAINT);
        MakeJsonPaint(writer, *fPaint, urlDataManager);
    }
    writer.appendName(DEBUGCANVAS_ATTRIBUTE_SAMPLING);
    MakeJsonSampling(writer, fSampling);
 
    writer.appendU32(DEBUGCANVAS_ATTRIBUTE_UNIQUE_ID, fImage->uniqueID());
    writer.appendS32(DEBUGCANVAS_ATTRIBUTE_WIDTH, fImage->width());
    writer.appendS32(DEBUGCANVAS_ATTRIBUTE_HEIGHT, fImage->height());
    switch (fImage->alphaType()) {
        case kOpaque_SkAlphaType:
            writer.appendNString(DEBUGCANVAS_ATTRIBUTE_ALPHA, DEBUGCANVAS_ALPHATYPE_OPAQUE);
            break;
        case kPremul_SkAlphaType:
            writer.appendNString(DEBUGCANVAS_ATTRIBUTE_ALPHA, DEBUGCANVAS_ALPHATYPE_PREMUL);
            break;
        case kUnpremul_SkAlphaType:
            writer.appendNString(DEBUGCANVAS_ATTRIBUTE_ALPHA, DEBUGCANVAS_ALPHATYPE_UNPREMUL);
            break;
        default:
            writer.appendNString(DEBUGCANVAS_ATTRIBUTE_ALPHA, DEBUGCANVAS_ALPHATYPE_UNKNOWN);
            break;
    }
}

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

• third_party/skia/tools/debugger/DrawCommand.h
• third_party/skia/tools/debugger/DrawCommand.cpp