1 files changed, 77 insertions, 0 deletions
diff --git a/tools/viewer/SkottieSlide.cpp b/tools/viewer/SkottieSlide.cpp
new file mode 100644
index 0000000000..8880916a16
--- /dev/null
+++ b/tools/viewer/SkottieSlide.cpp
@@ -0,0 +1,77 @@
+/*
+ * 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 "SkottieSlide.h"
+
+#include "SkAnimTimer.h"
+#include "SkCanvas.h"
+#include "Skottie.h"
+
+SkottieSlide::SkottieSlide(const SkString& name, const SkString& path)
+    : fPath(path) {
+    fName = name;
+}
+
+void SkottieSlide::load(SkScalar, SkScalar) {
+    fAnimation  = skottie::Animation::MakeFromFile(fPath.c_str());
+    fTimeBase   = 0; // force a time reset
+
+    if (fAnimation) {
+        fAnimation->setShowInval(fShowAnimationInval);
+        SkDebugf("loaded Bodymovin animation v: %s, size: [%f %f], fr: %f\n",
+                 fAnimation->version().c_str(),
+                 fAnimation->size().width(),
+                 fAnimation->size().height(),
+                 fAnimation->frameRate());
+    } else {
+        SkDebugf("failed to load Bodymovin animation: %s\n", fPath.c_str());
+    }
+}
+
+void SkottieSlide::unload() {
+    fAnimation.reset();
+}
+
+SkISize SkottieSlide::getDimensions() const {
+    return fAnimation? fAnimation->size().toCeil() : SkISize::Make(0, 0);
+}
+
+void SkottieSlide::draw(SkCanvas* canvas) {
+    if (fAnimation) {
+        SkAutoCanvasRestore acr(canvas, true);
+        const SkRect dstR = SkRect::Make(canvas->imageInfo().bounds());
+        fAnimation->render(canvas, &dstR);
+    }
+}
+
+bool SkottieSlide::animate(const SkAnimTimer& timer) {
+    if (fTimeBase == 0) {
+        // Reset the animation time.
+        fTimeBase = timer.msec();
+    }
+
+    if (fAnimation) {
+        auto t = timer.msec() - fTimeBase;
+        fAnimation->animationTick(t);
+    }
+    return true;
+}
+
+bool SkottieSlide::onChar(SkUnichar c) {
+    switch (c) {
+    case 'I':
+        if (fAnimation) {
+            fShowAnimationInval = !fShowAnimationInval;
+            fAnimation->setShowInval(fShowAnimationInval);
+        }
+        break;
+    default:
+        break;
+    }
+
+    return INHERITED::onChar(c);
+}