efb4ed86cf
Also: mv experimental/skottie_ios tools/skottie_ios_app Motivation: make using SkMetalViewBridge that much easier for clients. Change-Id: I985930ae0751d218e89c48c57b69d85ad7a1e703 Reviewed-on: https://skia-review.googlesource.com/c/skia/+/259279 Reviewed-by: Hal Canary <halcanary@google.com> Commit-Queue: Hal Canary <halcanary@google.com>
76 lines
2.1 KiB
Plaintext
76 lines
2.1 KiB
Plaintext
//Copyright 2019 Google LLC.
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//Use of this source code is governed by a BSD-style license that can be found in the LICENSE file.
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#include "tools/skottie_ios_app/SkottieMtkView.h"
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#include "tools/skottie_ios_app/SkAnimationDraw.h"
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#include "tools/skottie_ios_app/SkTimeKeeper.h"
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#include "include/core/SkCanvas.h"
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#include "include/core/SkPaint.h"
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#include "include/core/SkSurface.h"
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#include "include/core/SkTime.h"
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#include "modules/skottie/include/Skottie.h"
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#include "tools/skottie_ios_app/SkMetalViewBridge.h"
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@implementation SkottieMtkView {
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SkAnimationDraw fDraw;
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SkTimeKeeper fClock;
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}
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- (void)drawRect:(CGRect)rect {
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[super drawRect:rect];
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// TODO(halcanary): Use the rect and the InvalidationController to speed up rendering.
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if (!fDraw || ![[self currentDrawable] texture] || ![self grContext]) {
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return;
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}
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CGSize size = [self drawableSize];
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if (!fClock.paused()) {
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fDraw.seek(fClock.currentTime());
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}
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sk_sp<SkSurface> surface = SkMtkViewToSurface(self, [self grContext]);
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if (!surface) {
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NSLog(@"error: no sksurface");
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return;
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}
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fDraw.draw(SkSize{(float)size.width, (float)size.height}, surface->getCanvas());
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surface->flush();
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surface = nullptr;
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id<MTLCommandBuffer> commandBuffer = [[self queue] commandBuffer];
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[commandBuffer presentDrawable:[self currentDrawable]];
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[commandBuffer commit];
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}
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- (BOOL)loadAnimation:(NSData*) data {
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fDraw.load((const void*)[data bytes], (size_t)[data length]);
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fClock.setDuration(fDraw.duration());
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return (BOOL)fDraw;
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}
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- (void)setStopAtEnd:stop{ fClock.setStopAtEnd(stop); }
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- (float)animationDurationSeconds { return fClock.duration(); }
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- (float)currentTime { return fDraw ? fClock.currentTime() : 0; }
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- (void)seek:(float)seconds {
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if (fDraw) {
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fClock.seek(seconds);
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[self setNeedsDisplay];
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}
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}
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- (CGSize)size { return {(CGFloat)fDraw.size().width(), (CGFloat)fDraw.size().height()}; }
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- (BOOL)togglePaused {
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fClock.togglePaused();
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[self setNeedsDisplay];
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return fClock.paused();
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}
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- (BOOL)isPaused { return fClock.paused(); }
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@end
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