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65 lines
1.8 KiB
Objective-C
65 lines
1.8 KiB
Objective-C
//
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// LOTScene.m
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// LottieAnimator
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//
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// Created by Brandon Withrow on 12/14/15.
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// Copyright © 2015 Brandon Withrow. All rights reserved.
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//
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#import "LOTComposition.h"
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#import "LOTLayer.h"
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#import "LOTAssetGroup.h"
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#import "LOTLayerGroup.h"
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@implementation LOTComposition
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- (instancetype)initWithJSON:(NSDictionary *)jsonDictionary
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withAssetBundle:(NSBundle *)bundle {
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self = [super init];
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if (self) {
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[self _mapFromJSON:jsonDictionary withAssetBundle:bundle];
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}
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return self;
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}
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- (void)_mapFromJSON:(NSDictionary *)jsonDictionary
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withAssetBundle:(NSBundle *)bundle {
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NSNumber *width = jsonDictionary[@"w"];
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NSNumber *height = jsonDictionary[@"h"];
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if (width && height) {
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CGRect bounds = CGRectMake(0, 0, width.floatValue, height.floatValue);
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_compBounds = bounds;
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}
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_startFrame = [jsonDictionary[@"ip"] copy];
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_endFrame = [jsonDictionary[@"op"] copy];
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_framerate = [jsonDictionary[@"fr"] copy];
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if (_startFrame && _endFrame && _framerate) {
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NSInteger frameDuration = (_endFrame.integerValue - _startFrame.integerValue) - 1;
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NSTimeInterval timeDuration = frameDuration / _framerate.floatValue;
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_timeDuration = timeDuration;
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}
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NSArray *assetArray = jsonDictionary[@"assets"];
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if (assetArray.count) {
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_assetGroup = [[LOTAssetGroup alloc] initWithJSON:assetArray withAssetBundle:bundle];
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}
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NSArray *layersJSON = jsonDictionary[@"layers"];
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if (layersJSON) {
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_layerGroup = [[LOTLayerGroup alloc] initWithLayerJSON:layersJSON
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withAssetGroup:_assetGroup];
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}
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[_assetGroup finalizeInitialization];
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}
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- (void)setRootDirectory:(NSString *)rootDirectory {
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_rootDirectory = rootDirectory;
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self.assetGroup.rootDirectory = rootDirectory;
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}
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@end
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