SkPicturePlayback Class Reference

#include <SkPicturePlayback.h>

Inheritance diagram for SkPicturePlayback:

Public Member Functions
	SkPicturePlayback (const SkPictureData *data)
void	draw (SkCanvas *canvas, SkPicture::AbortCallback *, SkReadBuffer *buffer)
size_t	curOpID () const
void	resetOpID ()

Detailed Description

Definition at line 24 of file SkPicturePlayback.h.

Constructor & Destructor Documentation

SkPicturePlayback()

SkPicturePlayback::SkPicturePlayback ( const SkPictureData *  data )

inline

Definition at line 26 of file SkPicturePlayback.h.

        : fPictureData(data)
        , fCurOffset(0) {
    }

Member Function Documentation

curOpID()

size_t SkPicturePlayback::curOpID ( ) const

inline

Definition at line 36 of file SkPicturePlayback.h.

{ return fCurOffset; }

draw()

void SkPicturePlayback::draw	(	SkCanvas *	canvas,
		SkPicture::AbortCallback *	callback,
		SkReadBuffer *	buffer
	)

Definition at line 60 of file SkPicturePlayback.cpp.

                                                   {
    AutoResetOpID aroi(this);
    SkASSERT(0 == fCurOffset);
 
    SkReadBuffer reader(fPictureData->opData()->bytes(),
                        fPictureData->opData()->size());
    reader.setVersion(fPictureData->info().getVersion());
 
    // Record this, so we can concat w/ it if we encounter a setMatrix()
    SkM44 initialMatrix = canvas->getLocalToDevice();
 
    SkAutoCanvasRestore acr(canvas, false);
 
    while (!reader.eof() && reader.isValid()) {
        if (callback && callback->abort()) {
            return;
        }
 
        fCurOffset = reader.offset();
 
        uint32_t bits = reader.readInt();
        uint32_t op   = bits >> 24,
                 size = bits & 0xffffff;
        if (size == 0xffffff) {
            size = reader.readInt();
        }
 
        if (!reader.validate(size > 0 && op > UNUSED && op <= LAST_DRAWTYPE_ENUM)) {
            return;
        }
 
        this->handleOp(&reader, (DrawType)op, size, canvas, initialMatrix);
    }
 
    // need to propagate invalid state to the parent reader
    if (buffer) {
        buffer->validate(reader.isValid());
    }
}

resetOpID()

void SkPicturePlayback::resetOpID ( )

inline

Definition at line 37 of file SkPicturePlayback.h.

{ fCurOffset = 0; }

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

• third_party/skia/src/core/SkPicturePlayback.h
• third_party/skia/src/core/SkPicturePlayback.cpp