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112 lines
3.3 KiB
112 lines
3.3 KiB
/* |
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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 Viewer_DEFINED |
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#define Viewer_DEFINED |
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#include "sk_app/Application.h" |
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#include "sk_app/CommandSet.h" |
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#include "sk_app/Window.h" |
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#include "gm.h" |
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#include "SkAnimTimer.h" |
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#include "SkTouchGesture.h" |
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#include "Slide.h" |
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class SkCanvas; |
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class Viewer : public sk_app::Application { |
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public: |
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Viewer(int argc, char** argv, void* platformData); |
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~Viewer() override; |
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void onBackendCreated(); |
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void onPaint(SkCanvas* canvas); |
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void onIdle() override; |
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bool onTouch(intptr_t owner, sk_app::Window::InputState state, float x, float y); |
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bool onMouse(float x, float y, sk_app::Window::InputState state, uint32_t modifiers); |
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void onUIStateChanged(const SkString& stateName, const SkString& stateValue); |
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bool onKey(sk_app::Window::Key key, sk_app::Window::InputState state, uint32_t modifiers); |
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bool onChar(SkUnichar c, uint32_t modifiers); |
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private: |
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enum class ColorMode { |
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kLegacy, // N32, no color management |
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kColorManagedSRGB8888_NonLinearBlending, // N32, sRGB transfer function, nonlinear blending |
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kColorManagedSRGB8888, // N32, sRGB transfer function, linear blending |
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kColorManagedLinearF16, // F16, linear transfer function, linear blending |
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}; |
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void initSlides(); |
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void updateTitle(); |
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void setBackend(sk_app::Window::BackendType); |
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void setColorMode(ColorMode); |
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void setStartupSlide(); |
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void setupCurrentSlide(int previousSlide); |
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void listNames(); |
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void updateUIState(); |
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void drawSlide(SkCanvas* canvs); |
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void drawStats(SkCanvas* canvas); |
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void drawImGui(SkCanvas* canvas); |
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void changeZoomLevel(float delta); |
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SkMatrix computeMatrix(); |
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sk_app::Window* fWindow; |
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static const int kMeasurementCount = 64; // should be power of 2 for fast mod |
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double fPaintTimes[kMeasurementCount]; |
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double fFlushTimes[kMeasurementCount]; |
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double fAnimateTimes[kMeasurementCount]; |
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int fCurrentMeasurement; |
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SkAnimTimer fAnimTimer; |
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SkTArray<sk_sp<Slide>> fSlides; |
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int fCurrentSlide; |
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bool fDisplayStats; |
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bool fRefresh; // whether to continuously refresh for measuring render time |
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SkPaint fImGuiFontPaint; |
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SkPaint fImGuiGamutPaint; |
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bool fShowImGuiDebugWindow; |
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bool fShowImGuiTestWindow; |
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bool fShowZoomWindow; |
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sk_sp<SkImage> fLastImage; |
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sk_app::Window::BackendType fBackendType; |
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// Color properties for slide rendering |
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ColorMode fColorMode; |
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SkColorSpacePrimaries fColorSpacePrimaries; |
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// transform data |
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SkScalar fZoomLevel; |
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sk_app::CommandSet fCommands; |
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enum class GestureDevice { |
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kNone, |
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kTouch, |
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kMouse, |
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}; |
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SkTouchGesture fGesture; |
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GestureDevice fGestureDevice; |
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// identity unless the window initially scales the content to fit the screen. |
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SkMatrix fDefaultMatrix; |
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SkTArray<std::function<void(void)>> fDeferredActions; |
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Json::Value fAllSlideNames; // cache all slide names for fast updateUIState |
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}; |
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#endif
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