/*
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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 "ImGuiLayer.h"
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#include "SkAnimTimer.h"
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#include "SkExecutor.h"
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#include "SkScan.h"
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#include "Slide.h"
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#include "StatsLayer.h"
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#include "TouchGesture.h"
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class SkCanvas;
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class Viewer : public sk_app::Application, sk_app::Window::Layer {
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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 onIdle() override;
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void onBackendCreated() override;
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void onPaint(SkSurface*) override;
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void onResize(int width, int height) override;
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bool onTouch(intptr_t owner, sk_app::Window::InputState state, float x, float y) override;
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bool onMouse(int x, int y, sk_app::Window::InputState state, uint32_t modifiers) override;
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void onUIStateChanged(const SkString& stateName, const SkString& stateValue) override;
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bool onKey(sk_app::Window::Key key, sk_app::Window::InputState state, uint32_t modifiers) override;
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bool onChar(SkUnichar c, uint32_t modifiers) override;
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struct SkFontFields {
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bool fTypeface = false;
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bool fTextSize = false;
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SkScalar fTextSizeRange[2] = { 0, 20 };
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bool fTextScaleX = false;
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bool fTextSkewX = false;
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bool fHinting = false;
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bool fEdging = false;
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bool fSubpixel = false;
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bool fForceAutoHinting = false;
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bool fEmbeddedBitmaps = false;
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bool fLinearMetrics = false;
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bool fEmbolden = false;
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};
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struct SkPaintFields {
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bool fPathEffect = false;
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bool fShader = false;
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bool fMaskFilter = false;
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bool fColorFilter = false;
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bool fDrawLooper = false;
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bool fImageFilter = false;
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bool fColor = false;
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bool fWidth = false;
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bool fMiterLimit = false;
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bool fBlendMode = false;
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bool fAntiAlias = false;
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bool fDither = false;
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enum class AntiAliasState {
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Alias,
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Normal,
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AnalyticAAEnabled,
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AnalyticAAForced,
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DeltaAAEnabled,
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DeltaAAForced,
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} fAntiAliasState = AntiAliasState::Alias;
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const bool fOriginalSkUseAnalyticAA = gSkUseAnalyticAA;
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const bool fOriginalSkForceAnalyticAA = gSkForceAnalyticAA;
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const bool fOriginalSkUseDeltaAA = gSkUseDeltaAA;
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const bool fOriginalSkForceDeltaAA = gSkForceDeltaAA;
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bool fCapType = false;
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bool fJoinType = false;
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bool fStyle = false;
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bool fFilterQuality = false;
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};
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private:
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enum class ColorMode {
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kLegacy, // 8888, no color management
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kColorManaged8888, // 8888 with color management
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kColorManagedF16, // F16 with color management
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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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int startupSlide() const;
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void setCurrentSlide(int);
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void setupCurrentSlide();
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void listNames() const;
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void updateUIState();
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void drawSlide(SkSurface* surface);
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void drawImGui();
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void changeZoomLevel(float delta);
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void preTouchMatrixChanged();
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SkMatrix computePreTouchMatrix();
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SkMatrix computePerspectiveMatrix();
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SkMatrix computeMatrix();
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SkPoint mapEvent(float x, float y);
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sk_app::Window* fWindow;
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StatsLayer fStatsLayer;
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StatsLayer::Timer fPaintTimer;
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StatsLayer::Timer fFlushTimer;
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StatsLayer::Timer fAnimateTimer;
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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 fRefresh; // whether to continuously refresh for measuring render time
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bool fSaveToSKP;
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ImGuiLayer fImGuiLayer;
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SkPaint fImGuiGamutPaint;
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bool fShowImGuiDebugWindow;
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bool fShowSlidePicker;
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bool fShowImGuiTestWindow;
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bool fShowZoomWindow;
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bool fZoomWindowFixed;
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SkPoint fZoomWindowLocation;
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sk_sp<SkImage> fLastImage;
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bool fZoomUI;
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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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skcms_TransferFunction fColorSpaceTransferFn;
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// transform data
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SkScalar fZoomLevel;
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SkScalar fRotation;
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SkVector fOffset;
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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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TouchGesture 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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bool fTiled;
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bool fDrawTileBoundaries;
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SkSize fTileScale;
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enum PerspectiveMode {
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kPerspective_Off,
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kPerspective_Real,
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kPerspective_Fake,
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};
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PerspectiveMode fPerspectiveMode;
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SkPoint fPerspectivePoints[4];
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SkTArray<std::function<void(void)>> fDeferredActions;
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SkPaint fPaint;
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SkPaintFields fPaintOverrides;
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SkFont fFont;
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SkFontFields fFontOverrides;
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bool fPixelGeometryOverrides = false;
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};
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#endif
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