blob: ca6ad1ade47f6aac9a39ea3d44fbd9cbdec51bf1 [file] [log] [blame]
* Copyright 2014 Google Inc.
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
#ifndef SkPicturePlayback_DEFINED
#define SkPicturePlayback_DEFINED
#include "SkPictureFlat.h" // for DrawType
class SkBitmap;
class SkCanvas;
class SkPaint;
class SkPictureData;
// The basic picture playback class replays the provided picture into a canvas.
class SkPicturePlayback : SkNoncopyable {
SkPicturePlayback(const SkPictureData* data)
: fPictureData(data)
, fCurOffset(0) {
virtual ~SkPicturePlayback() { }
virtual void draw(SkCanvas* canvas, SkPicture::AbortCallback*);
// TODO: remove the curOp calls after cleaning up GrGatherDevice
// Return the ID of the operation currently being executed when playing
// back. 0 indicates no call is active.
size_t curOpID() const { return fCurOffset; }
void resetOpID() { fCurOffset = 0; }
const SkPictureData* fPictureData;
// The offset of the current operation when within the draw method
size_t fCurOffset;
void handleOp(SkReader32* reader,
DrawType op,
uint32_t size,
SkCanvas* canvas,
const SkMatrix& initialMatrix);
static DrawType ReadOpAndSize(SkReader32* reader, uint32_t* size);
class AutoResetOpID {
AutoResetOpID(SkPicturePlayback* playback) : fPlayback(playback) { }
~AutoResetOpID() {
if (fPlayback) {
SkPicturePlayback* fPlayback;
typedef SkNoncopyable INHERITED;