84d884ab50
This reverts commit ad8ce4dbb2.
Change-Id: I26077c56fa69e60a003359fa9da758bbfd6a3425
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/363777
Reviewed-by: Brian Osman <brianosman@google.com>
Commit-Queue: Brian Osman <brianosman@google.com>
79 lines
2.9 KiB
C++
79 lines
2.9 KiB
C++
/*
|
|
* Copyright 2021 Google LLC
|
|
*
|
|
* Use of this source code is governed by a BSD-style license that can be
|
|
* found in the LICENSE file.
|
|
*/
|
|
|
|
#include "gm/gm.h"
|
|
|
|
#if !defined(SK_BUILD_FOR_GOOGLE3) // Google3 doesn't build particles module
|
|
|
|
#include "include/core/SkCanvas.h"
|
|
#include "include/core/SkColor.h"
|
|
#include "modules/particles/include/SkParticleEffect.h"
|
|
#include "modules/particles/include/SkParticleSerialization.h"
|
|
#include "modules/skresources/include/SkResources.h"
|
|
#include "tools/Resources.h"
|
|
|
|
class ParticlesGM : public skiagm::GM {
|
|
public:
|
|
ParticlesGM(const char* name, double startTime, SkISize size, SkPoint origin)
|
|
: GM(SK_ColorBLACK), fName(name), fStartTime(startTime), fSize(size), fOrigin(origin) {}
|
|
|
|
SkString onShortName() override { return SkStringPrintf("particles_%s", fName); }
|
|
SkISize onISize() override { return fSize; }
|
|
|
|
void onOnceBeforeDraw() override {
|
|
SkParticleEffect::RegisterParticleTypes();
|
|
|
|
auto jsonData = GetResourceAsData(SkStringPrintf("particles/%s.json", fName).c_str());
|
|
skjson::DOM dom(static_cast<const char*>(jsonData->data()), jsonData->size());
|
|
SkFromJsonVisitor fromJson(dom.root());
|
|
|
|
auto resourceProvider = skresources::FileResourceProvider::Make(GetResourcePath());
|
|
auto effectParams = sk_make_sp<SkParticleEffectParams>();
|
|
effectParams->visitFields(&fromJson);
|
|
effectParams->prepare(resourceProvider.get());
|
|
|
|
fEffect = sk_make_sp<SkParticleEffect>(effectParams);
|
|
fEffect->start(/*now=*/0.0, /*looping=*/true);
|
|
|
|
// Fast-forward (in 30 fps time-slices) to the requested time
|
|
for (double time = 0; time < fStartTime; time += 1.0 / 30) {
|
|
fEffect->update(/*now=*/std::min(time, fStartTime));
|
|
}
|
|
}
|
|
|
|
bool onAnimate(double nanos) override {
|
|
if (fEffect) {
|
|
fEffect->update(fStartTime + (nanos * 1E-9));
|
|
}
|
|
return true;
|
|
}
|
|
|
|
void onDraw(SkCanvas* canvas) override {
|
|
canvas->save();
|
|
canvas->translate(fOrigin.fX, fOrigin.fY);
|
|
fEffect->draw(canvas);
|
|
canvas->restore();
|
|
}
|
|
|
|
protected:
|
|
const char* fName;
|
|
const double fStartTime;
|
|
const SkISize fSize;
|
|
const SkPoint fOrigin;
|
|
sk_sp<SkParticleEffect> fEffect;
|
|
};
|
|
|
|
DEF_GM(return new ParticlesGM("confetti", 1.0, {400, 400}, {200, 200});)
|
|
DEF_GM(return new ParticlesGM("cube", 1.0, {400, 400}, {200, 200});)
|
|
DEF_GM(return new ParticlesGM("curves", 4.0, {100, 200}, { 50, 190});)
|
|
DEF_GM(return new ParticlesGM("mandrill", 1.0, {250, 250}, { 25, 25});)
|
|
DEF_GM(return new ParticlesGM("spiral", 2.0, {250, 250}, {125, 125});)
|
|
DEF_GM(return new ParticlesGM("sprite_frame", 1.0, {200, 200}, {100, 100});)
|
|
DEF_GM(return new ParticlesGM("text", 1.0, {250, 110}, { 10, 100});)
|
|
|
|
#endif // SK_BUILD_FOR_GOOGLE3
|