36352bf5e3
NOPRESUBMIT=true BUG=skia: DOCS_PREVIEW= https://skia.org/?cl=1037793002 Review URL: https://codereview.chromium.org/1037793002
35 lines
1.0 KiB
C++
35 lines
1.0 KiB
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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#ifdef SK_LEGACY_DRAWPICTURECALLBACK
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#include "SkPicture.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 : public SkPicture::AbortCallback {
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public:
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virtual bool abortDrawing() = 0;
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bool abort() override { return this->abortDrawing(); }
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};
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#endif
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#endif // SkDrawPictureCallback_DEFINED
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