| /* |
| * 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/Registry.h" |
| #include "tools/sk_app/Window.h" |
| |
| class SkCanvas; |
| class SkMetaData; |
| class Slide; |
| |
| using SlideFactory = Slide* (*)(); |
| using SlideRegistry = sk_tools::Registry<SlideFactory>; |
| |
| #define DEF_SLIDE(code) \ |
| static Slide* SK_MACRO_APPEND_LINE(F_)() { code } \ |
| static SlideRegistry SK_MACRO_APPEND_LINE(R_)(SK_MACRO_APPEND_LINE(F_)); |
| |
| namespace skgpu::graphite { |
| class Context; |
| } |
| |
| class Slide : public SkRefCnt { |
| public: |
| /** |
| * A slide may have a content dimensions that is independent of the current window size. An |
| * empty size indicates that the Slide's dimensions are equal to the window's dimensions. |
| */ |
| virtual SkISize getDimensions() const { return SkISize::MakeEmpty(); } |
| |
| virtual void gpuTeardown() { } |
| virtual void draw(SkCanvas*) { SK_ABORT("Not implemented."); } |
| virtual void draw(skgpu::graphite::Context*, SkCanvas* canvas) { this->draw(canvas); } |
| 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 |