63 lines
1.5 KiB
Objective-C
63 lines
1.5 KiB
Objective-C
/**
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* Copyright (c) 2015-present, Facebook, Inc.
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* All rights reserved.
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*
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* This source code is licensed under the BSD-style license found in the
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* LICENSE file in the root directory of this source tree. An additional grant
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* of patent rights can be found in the PATENTS file in the same directory.
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*/
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#import "RCTStaticImage.h"
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@implementation RCTStaticImage
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- (void)_updateImage
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{
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UIImage *image = self.image;
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if (!image) {
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return;
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}
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// Apply rendering mode
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if (_renderingMode != image.renderingMode) {
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image = [image imageWithRenderingMode:_renderingMode];
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}
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// Applying capInsets of 0 will switch the "resizingMode" of the image to "tile" which is undesired
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if (!UIEdgeInsetsEqualToEdgeInsets(UIEdgeInsetsZero, _capInsets)) {
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image = [image resizableImageWithCapInsets:_capInsets resizingMode:UIImageResizingModeStretch];
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}
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// Apply trilinear filtering to smooth out mis-sized images
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self.layer.minificationFilter = kCAFilterTrilinear;
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self.layer.magnificationFilter = kCAFilterTrilinear;
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super.image = image;
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}
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- (void)setImage:(UIImage *)image
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{
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if (image != super.image) {
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super.image = image;
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[self _updateImage];
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}
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}
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- (void)setCapInsets:(UIEdgeInsets)capInsets
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{
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if (!UIEdgeInsetsEqualToEdgeInsets(_capInsets, capInsets)) {
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_capInsets = capInsets;
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[self _updateImage];
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}
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}
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- (void)setRenderingMode:(UIImageRenderingMode)renderingMode
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{
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if (_renderingMode != renderingMode) {
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_renderingMode = renderingMode;
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[self _updateImage];
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}
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}
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@end
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