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* Copyright 2019 Google LLC
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
#ifndef ParticlesSlide_DEFINED
#define ParticlesSlide_DEFINED
#include "tools/viewer/Slide.h"
#include "include/core/SkPath.h"
#include "include/private/base/SkTArray.h"
#include "include/utils/SkRandom.h"
class SkParticleEffect;
class SkParticleEffectParams;
namespace skresources { class ResourceProvider; }
class ParticlesSlide : public Slide {
void load(SkScalar winWidth, SkScalar winHeight) override;
void draw(SkCanvas* canvas) override;
bool animate(double) override;
bool onMouse(SkScalar x, SkScalar y, skui::InputState state,
skui::ModifierKey modifiers) override;
class TestingResourceProvider;
void loadEffects(const char* dirname);
SkRandom fRandom;
bool fAnimated = false;
double fAnimationTime = 0;
SkPoint fMousePos = { 0, 0 };
struct LoadedEffect {
SkString fName;
sk_sp<SkParticleEffectParams> fParams;
SkTArray<LoadedEffect> fLoaded;
struct RunningEffect {
SkString fName;
sk_sp<SkParticleEffect> fEffect;
bool fTrackMouse;
SkTArray<RunningEffect> fRunning;
sk_sp<TestingResourceProvider> fResourceProvider;
DEF_SLIDE(return new ParticlesSlide;)