57 lines
1.7 KiB
C
57 lines
1.7 KiB
C
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/*
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* Copyright 2016 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 Slide_DEFINED
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#define Slide_DEFINED
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#include "include/core/SkRefCnt.h"
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#include "include/core/SkSize.h"
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#include "include/core/SkString.h"
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#include "tools/Registry.h"
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#include "tools/sk_app/Window.h"
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class SkCanvas;
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class SkMetaData;
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class Slide;
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using SlideFactory = Slide* (*)();
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using SlideRegistry = sk_tools::Registry<SlideFactory>;
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#define DEF_SLIDE(code) \
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static Slide* SK_MACRO_APPEND_LINE(F_)() { code } \
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static SlideRegistry SK_MACRO_APPEND_LINE(R_)(SK_MACRO_APPEND_LINE(F_));
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class Slide : public SkRefCnt {
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public:
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/**
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* A slide may have a content dimensions that is independent of the current window size. An
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* empty size indicates that the Slide's dimensions are equal to the window's dimensions.
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*/
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virtual SkISize getDimensions() const { return SkISize::MakeEmpty(); }
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virtual void gpuTeardown() { }
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virtual void draw(SkCanvas* canvas) = 0;
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virtual bool animate(double nanos) { return false; }
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virtual void load(SkScalar winWidth, SkScalar winHeight) {}
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virtual void resize(SkScalar winWidth, SkScalar winHeight) {}
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virtual void unload() {}
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virtual bool onChar(SkUnichar c) { return false; }
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virtual bool onMouse(SkScalar x, SkScalar y, skui::InputState state,
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skui::ModifierKey modifiers) { return false; }
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virtual bool onGetControls(SkMetaData*) { return false; }
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virtual void onSetControls(const SkMetaData&) {}
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const SkString& getName() { return fName; }
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protected:
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SkString fName;
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};
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#endif
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