skia2/tools/viewer/Slide.h

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/*
* Copyright 2016 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef Slide_DEFINED
#define Slide_DEFINED
#include "include/core/SkRefCnt.h"
#include "include/core/SkSize.h"
#include "include/core/SkString.h"
#include "tools/sk_app/Window.h"
class SkCanvas;
class SkMetaData;
class Slide : public SkRefCnt {
public:
virtual SkISize getDimensions() const = 0;
virtual void gpuTeardown() { }
virtual void draw(SkCanvas* canvas) = 0;
virtual bool animate(double nanos) { return false; }
virtual void load(SkScalar winWidth, SkScalar winHeight) {}
virtual void resize(SkScalar winWidth, SkScalar winHeight) {}
virtual void unload() {}
virtual bool onChar(SkUnichar c) { return false; }
virtual bool onMouse(SkScalar x, SkScalar y, skui::InputState state,
skui::ModifierKey modifiers) { return false; }
virtual bool onGetControls(SkMetaData*) { return false; }
virtual void onSetControls(const SkMetaData&) {}
const SkString& getName() { return fName; }
protected:
SkString fName;
};
#endif