This app provides monitoring and information features for the common freifunk user and the technical stuff of a freifunk community.
Code base is taken from a TUM Practical Course project and added here to see if Freifunk Altdorf can use it.
https://www.freifunk-altdorf.de
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81 lines
1.7 KiB
81 lines
1.7 KiB
6 years ago
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/**
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* Copyright (c) 2015-present, Facebook, Inc.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*/
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#import "ARTNode.h"
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#import "ARTContainer.h"
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@implementation ARTNode
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- (void)insertReactSubview:(UIView *)subview atIndex:(NSInteger)atIndex
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{
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[super insertReactSubview:subview atIndex:atIndex];
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[self insertSubview:subview atIndex:atIndex];
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[self invalidate];
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}
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- (void)removeReactSubview:(UIView *)subview
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{
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[super removeReactSubview:subview];
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[self invalidate];
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}
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- (void)didUpdateReactSubviews
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{
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// Do nothing, as subviews are inserted by insertReactSubview:
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}
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- (void)setOpacity:(CGFloat)opacity
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{
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[self invalidate];
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_opacity = opacity;
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}
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- (void)setTransform:(CGAffineTransform)transform
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{
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[self invalidate];
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super.transform = transform;
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}
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- (void)invalidate
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{
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id<ARTContainer> container = (id<ARTContainer>)self.superview;
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[container invalidate];
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}
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- (void)renderTo:(CGContextRef)context
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{
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if (self.opacity <= 0) {
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// Nothing to paint
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return;
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}
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if (self.opacity >= 1) {
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// Just paint at full opacity
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CGContextSaveGState(context);
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CGContextConcatCTM(context, self.transform);
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CGContextSetAlpha(context, 1);
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[self renderLayerTo:context];
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CGContextRestoreGState(context);
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return;
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}
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// This needs to be painted on a layer before being composited.
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CGContextSaveGState(context);
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CGContextConcatCTM(context, self.transform);
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CGContextSetAlpha(context, self.opacity);
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CGContextBeginTransparencyLayer(context, NULL);
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[self renderLayerTo:context];
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CGContextEndTransparencyLayer(context);
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CGContextRestoreGState(context);
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}
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- (void)renderLayerTo:(CGContextRef)context
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{
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// abstract
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}
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@end
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