react-native/ReactKit/Views/RCTStaticImage.m

52 lines
1.1 KiB
Objective-C

// Copyright 2004-present Facebook. All Rights Reserved.
#import "RCTStaticImage.h"
@implementation RCTStaticImage
- (void)_updateImage
{
UIImage *image = self.image;
if (!image) {
return;
}
// Apply rendering mode
if (_renderingMode != image.renderingMode) {
image = [image imageWithRenderingMode:_renderingMode];
}
// Applying capInsets of 0 will switch the "resizingMode" of the image to "tile" which is undesired
if (!UIEdgeInsetsEqualToEdgeInsets(UIEdgeInsetsZero, _capInsets)) {
image = [image resizableImageWithCapInsets:_capInsets resizingMode:UIImageResizingModeStretch];
}
super.image = image;
}
- (void)setImage:(UIImage *)image
{
if (image != super.image) {
super.image = image;
[self _updateImage];
}
}
- (void)setCapInsets:(UIEdgeInsets)capInsets
{
if (!UIEdgeInsetsEqualToEdgeInsets(_capInsets, capInsets)) {
_capInsets = capInsets;
[self _updateImage];
}
}
- (void)setRenderingMode:(UIImageRenderingMode)renderingMode
{
if (_renderingMode != renderingMode) {
_renderingMode = renderingMode;
[self _updateImage];
}
}
@end