d982eb22d7
I think this is sufficiently specialized to keep it in Ganesh for the time being. R=bsalomon@google.com, mtklein@google.com Author: robertphillips@google.com Review URL: https://codereview.chromium.org/535953002
32 lines
982 B
C++
32 lines
982 B
C++
/*
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* Copyright 2014 Google Inc.
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#ifndef SkDrawPictureCallback_DEFINED
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#define SkDrawPictureCallback_DEFINED
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#include "SkTypes.h"
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/**
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* Subclasses of this can be passed to canvas.drawPicture(). During the drawing
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* of the picture, this callback will periodically be invoked. If its
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* abortDrawing() returns true, then picture playback will be interrupted.
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*
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* The resulting drawing is undefined, as there is no guarantee how often the
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* callback will be invoked. If the abort happens inside some level of nested
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* calls to save(), restore will automatically be called to return the state
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* to the same level it was before the drawPicture call was made.
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*/
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class SK_API SkDrawPictureCallback {
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public:
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SkDrawPictureCallback() {}
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virtual ~SkDrawPictureCallback() {}
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virtual bool abortDrawing() = 0;
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};
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#endif//SkDrawPictureCallback_DEFINED
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