| /* |
| * Copyright 2017 Google Inc. |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| #include "gm.h" |
| #include "Resources.h" |
| #include "SkAnimTimer.h" |
| #include "Skottie.h" |
| |
| #include <cmath> |
| |
| namespace { |
| |
| static constexpr char kWebFontResource[] = "fonts/Roboto-Regular.ttf"; |
| static constexpr char kSkottieResource[] = "skottie/skottie_sample_webfont.json"; |
| |
| // Dummy web font loader which serves a single local font (checked in under resources/). |
| class FakeWebFontProvider final : public skottie::ResourceProvider { |
| public: |
| FakeWebFontProvider() : fFontData(GetResourceAsData(kWebFontResource)) {} |
| |
| sk_sp<SkData> loadWebFont(const char[]) const { |
| return fFontData; |
| } |
| |
| private: |
| sk_sp<SkData> fFontData; |
| |
| using INHERITED = skottie::ResourceProvider; |
| }; |
| |
| } // namespace |
| |
| class SkottieWebFontGM : public skiagm::GM { |
| public: |
| protected: |
| SkString onShortName() override { |
| return SkString("skottie_webfont"); |
| } |
| |
| SkISize onISize() override { |
| return SkISize::Make(kSize, kSize); |
| } |
| |
| void onOnceBeforeDraw() override { |
| if (auto stream = GetResourceAsStream(kSkottieResource)) { |
| fAnimation = skottie::Animation::Builder() |
| .setResourceProvider(sk_make_sp<FakeWebFontProvider>()) |
| .make(stream.get()); |
| } |
| } |
| |
| void onDraw(SkCanvas* canvas) override { |
| if (!fAnimation) { |
| return; |
| } |
| |
| auto dest = SkRect::MakeWH(kSize, kSize); |
| fAnimation->render(canvas, &dest); |
| } |
| |
| bool onAnimate(const SkAnimTimer& timer) override { |
| if (!fAnimation) { |
| return false; |
| } |
| |
| const auto duration = fAnimation->duration(); |
| fAnimation->seek(std::fmod(timer.secs(), duration) / duration); |
| return true; |
| } |
| |
| private: |
| static constexpr SkScalar kSize = 800; |
| |
| sk_sp<skottie::Animation> fAnimation; |
| |
| using INHERITED = skiagm::GM; |
| }; |
| |
| DEF_GM(return new SkottieWebFontGM;) |