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iOS text font support from custom loader.

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吴尚昆
2022-03-02 17:09:26 +08:00
committed by osborn
parent 92bbe90165
commit 93e949ef41
11 changed files with 3163 additions and 1697 deletions
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38
doric-iOS/Pod/Classes/Shader/DoricTextNode.m
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@@ -24,6 +24,7 @@
#import "DoricUtil.h"
#import "DoricGroupNode.h"
#import "Doric.h"
#import <CoreText/CoreText.h>
@interface DoricTextView : UILabel
@property(nonatomic, assign) DoricGravity gravity;
@@ -60,6 +61,7 @@ @interface DoricTextNode ()
@property(nonatomic, copy) NSNumber *strikethrough;
@property(nonatomic, strong) NSDictionary *textGradientProps;
@property(nonatomic, assign) CGSize textGradientSize;
@property(nonatomic, assign) CGFloat textSize;
@end
@implementation DoricTextNode
@@ -82,6 +84,7 @@ - (void)blendView:(UILabel *)view forPropName:(NSString *)name propValue:(id)pro
} else {
view.font = [UIFont systemFontOfSize:[(NSNumber *) prop floatValue]];
}
self.textSize = [(NSNumber *) prop floatValue];
} else if ([name isEqualToString:@"textColor"]) {
if ([prop isKindOfClass:[NSNumber class]]) {
view.textColor = DoricColor(prop);
@@ -134,10 +137,24 @@ - (void)blendView:(UILabel *)view forPropName:(NSString *)name propValue:(id)pro
} else if ([name isEqualToString:@"maxHeight"]) {
view.doricLayout.maxHeight = [prop floatValue];
} else if ([name isEqualToString:@"font"]) {
NSString *iconfont = prop;
UIFont *font = [UIFont fontWithName:[iconfont stringByReplacingOccurrencesOfString:@".ttf" withString:@""]
size:view.font.pointSize];
view.font = font;
if ([prop isKindOfClass:[NSString class]]) {
NSString *iconfont = prop;
UIFont *font = [UIFont fontWithName:[iconfont stringByReplacingOccurrencesOfString:@".ttf" withString:@""]
size:view.font.pointSize];
view.font = font;
} else if ([prop isKindOfClass:[NSDictionary class]]) {
DoricAsyncResult <NSData *> *asyncResult = [[self.doricContext.driver.registry.loaderManager
load:prop
withContext:self.doricContext] fetch];
[asyncResult setResultCallback:^(NSData *fontData) {
[self.doricContext dispatchToMainQueue:^{
view.font = [self registerFontWithFontData:fontData fontSize:self.textSize > 0 ? self.textSize : 12];
}];
}];
[asyncResult setExceptionCallback:^(NSException *e) {
DoricLog(@"Cannot load resource %@, %@", prop, e.reason);
}];
}
} else if ([name isEqualToString:@"lineSpacing"]) {
[[self ensureParagraphStyle] also:^(NSMutableParagraphStyle *it) {
[it setLineSpacing:[prop floatValue]];
@@ -306,6 +323,19 @@ - (void)requestLayout {
}];
}
- (UIFont *)registerFontWithFontData:(NSData *)fontData fontSize:(CGFloat)fontSize{
CGDataProviderRef fontDataProvider = CGDataProviderCreateWithCFData((__bridge CFDataRef)fontData);
CGFontRef fontRef = CGFontCreateWithDataProvider(fontDataProvider);
[UIFont familyNames];
CGDataProviderRelease(fontDataProvider);
CTFontManagerRegisterGraphicsFont(fontRef, NULL);
NSString *fontName = CFBridgingRelease(CGFontCopyPostScriptName(fontRef));
UIFont *font = [UIFont fontWithName:fontName size:fontSize];
CGFontRelease(fontRef);
return font;
}
- (UIImage *)gradientImageFromColors:(NSArray *)colors
locations:(CGFloat *)locations
startPoint:(CGPoint)startPoint