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iOS: add gradient background for view node

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王劲鹏 2020-03-13 19:07:40 +08:00 committed by osborn
parent 5728b852cd
commit c1f4805444
1 changed files with 44 additions and 1 deletions
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43
doric-iOS/Pod/Classes/Shader/DoricViewNode.m
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@ -103,6 +103,8 @@ @interface DoricViewNode ()
@property(nonatomic, copy) NSNumber *rotation;
@property(nonatomic, copy) NSNumber *pivotX;
@property(nonatomic, copy) NSNumber *pivotY;
@property(nonatomic, strong) CAGradientLayer *gradientLayer;
@end
@implementation DoricViewNode
@ -168,18 +170,59 @@ - (void)blendView:(UIView *)view forPropName:(NSString *)name propValue:(id)prop
NSNumber *width = (NSNumber *) prop;
if ([width floatValue] >= 0) {
view.width = [width floatValue];
self.gradientLayer.frame = view.bounds;
}
} else if ([name isEqualToString:@"height"]) {
NSNumber *height = (NSNumber *) prop;
if ([height floatValue] >= 0) {
view.height = [height floatValue];
self.gradientLayer.frame = view.bounds;
}
} else if ([name isEqualToString:@"x"]) {
view.x = [(NSNumber *) prop floatValue];
} else if ([name isEqualToString:@"y"]) {
view.y = [(NSNumber *) prop floatValue];
} else if ([name isEqualToString:@"backgroundColor"]) {
if ([prop isKindOfClass:[NSNumber class]]) {
view.backgroundColor = DoricColor(prop);
} else if ([prop isKindOfClass:[NSDictionary class]]) {
if (_gradientLayer == nil) {
_gradientLayer = [[CAGradientLayer alloc] init];
[view.layer addSublayer:self.gradientLayer];
}
NSDictionary *dict = prop;
UIColor *start = DoricColor(dict[@"start"]);
UIColor *end = DoricColor(dict[@"end"]);
int orientation = [dict[@"orientation"] intValue];
if (orientation == 0) {
self.gradientLayer.startPoint = CGPointMake(0, 0);
self.gradientLayer.endPoint = CGPointMake(0, 1);
} else if (orientation == 1) {
self.gradientLayer.startPoint = CGPointMake(1, 0);
self.gradientLayer.endPoint = CGPointMake(0, 1);
} else if (orientation == 2) {
self.gradientLayer.startPoint = CGPointMake(1, 0);
self.gradientLayer.endPoint = CGPointMake(0, 0);
} else if (orientation == 3) {
self.gradientLayer.startPoint = CGPointMake(1, 1);
self.gradientLayer.endPoint = CGPointMake(0, 0);
} else if (orientation == 4) {
self.gradientLayer.startPoint = CGPointMake(0, 1);
self.gradientLayer.endPoint = CGPointMake(0, 0);
} else if (orientation == 5) {
self.gradientLayer.startPoint = CGPointMake(0, 1);
self.gradientLayer.endPoint = CGPointMake(1, 0);
} else if (orientation == 6) {
self.gradientLayer.startPoint = CGPointMake(0, 0);
self.gradientLayer.endPoint = CGPointMake(1, 0);
} else if (orientation == 7) {
self.gradientLayer.startPoint = CGPointMake(0, 0);
self.gradientLayer.endPoint = CGPointMake(1, 1);
}
self.gradientLayer.colors = @[(__bridge id)start.CGColor, (__bridge id)end.CGColor];
}
} else if ([name isEqualToString:@"alpha"]) {
view.alpha = [prop floatValue];
} else if ([name isEqualToString:@"layoutConfig"]) {