blob: d5a360ee8ee08029d44705912051b3906240be64 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
|
/*
* 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 SkDrawPictureCallback_DEFINED
#define SkDrawPictureCallback_DEFINED
#include "SkTypes.h"
/**
* Subclasses of this can be passed to canvas.drawPicture(). During the drawing
* of the picture, this callback will periodically be invoked. If its
* abortDrawing() returns true, then picture playback will be interrupted.
*
* The resulting drawing is undefined, as there is no guarantee how often the
* callback will be invoked. If the abort happens inside some level of nested
* calls to save(), restore will automatically be called to return the state
* to the same level it was before the drawPicture call was made.
*/
class SK_API SkDrawPictureCallback {
public:
SkDrawPictureCallback() {}
virtual ~SkDrawPictureCallback() {}
virtual bool abortDrawing() = 0;
};
#endif//SkDrawPictureCallback_DEFINED
|
