mirror of
https://github.com/zoriya/react-native-svg.git
synced 2025-12-20 14:05:09 +00:00
105 lines
5.1 KiB
Objective-C
105 lines
5.1 KiB
Objective-C
#import "RNSVGFontData.h"
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#import "RNSVGPropHelper.h"
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#import "RNSVGTextProperties.h"
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#import "RNSVGNode.h"
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#define RNSVG_DEFAULT_KERNING 0.0
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#define RNSVG_DEFAULT_WORD_SPACING 0.0
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#define RNSVG_DEFAULT_LETTER_SPACING 0.0
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static NSString *KERNING = @"kerning";
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static NSString *FONT_SIZE = @"fontSize";
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static NSString *FONT_DATA = @"fontData";
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static NSString *FONT_STYLE = @"fontStyle";
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static NSString *FONT_WEIGHT = @"fontWeight";
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static NSString *FONT_FAMILY = @"fontFamily";
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static NSString *TEXT_ANCHOR = @"textAnchor";
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static NSString *WORD_SPACING = @"wordSpacing";
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static NSString *LETTER_SPACING = @"letterSpacing";
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static NSString *TEXT_DECORATION = @"textDecoration";
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static NSString *FONT_FEATURE_SETTINGS = @"fontFeatureSettings";
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static NSString *FONT_VARIANT_LIGATURES = @"fontVariantLigatures";
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RNSVGFontData *RNSVGFontData_Defaults;
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@implementation RNSVGFontData
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+ (instancetype)Defaults {
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if (!RNSVGFontData_Defaults) {
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RNSVGFontData *self = [RNSVGFontData alloc];
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self->fontData = nil;
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self->fontFamily = @"";
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self->fontStyle = RNSVGFontStyleNormal;
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self->fontWeight = RNSVGFontWeightNormal;
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self->fontFeatureSettings = @"";
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self->fontVariantLigatures = RNSVGFontVariantLigaturesNormal;
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self->textAnchor = RNSVGTextAnchorStart;
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self->textDecoration = RNSVGTextDecorationNone;
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self->manualKerning = false;
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self->kerning = RNSVG_DEFAULT_KERNING;
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self->fontSize = RNSVG_DEFAULT_FONT_SIZE;
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self->wordSpacing = RNSVG_DEFAULT_WORD_SPACING;
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self->letterSpacing = RNSVG_DEFAULT_LETTER_SPACING;
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RNSVGFontData_Defaults = self;
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}
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return RNSVGFontData_Defaults;
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}
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+ (double)toAbsoluteWithNSString:(NSString *)string
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scale:(double)scale
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fontSize:(double)fontSize {
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return [RNSVGPropHelper fromRelativeWithNSString:string
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relative:0
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offset:0
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scale:scale
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fontSize:fontSize];
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}
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+ (instancetype)initWithNSDictionary:(NSDictionary *)font
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parent:(RNSVGFontData *)parent
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scale:(double)scale {
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RNSVGFontData *data = [RNSVGFontData alloc];
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double parentFontSize = parent->fontSize;
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if ([font objectForKey:FONT_SIZE]) {
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NSString *string = [font objectForKey:FONT_SIZE];
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data->fontSize = [RNSVGPropHelper fromRelativeWithNSString:string
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relative:parentFontSize
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offset:0
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scale:scale
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fontSize:parentFontSize];
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}
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else {
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data->fontSize = parentFontSize;
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}
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data->fontData = [font objectForKey:FONT_DATA] ? [font objectForKey:FONT_DATA] : parent->fontData;
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data->fontFamily = [font objectForKey:FONT_FAMILY] ? [font objectForKey:FONT_FAMILY] : parent->fontFamily;
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NSString* style = [font objectForKey:FONT_STYLE];
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data->fontStyle = style ? RNSVGFontStyleFromString(style) : parent->fontStyle;
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NSString* weight = [font objectForKey:FONT_WEIGHT];
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data->fontWeight = weight ? RNSVGFontWeightFromString(weight) : parent->fontWeight;
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NSString* feature = [font objectForKey:FONT_FEATURE_SETTINGS];
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data->fontFeatureSettings = feature ? [font objectForKey:FONT_FEATURE_SETTINGS] : parent->fontFeatureSettings;
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NSString* variant = [font objectForKey:FONT_VARIANT_LIGATURES];
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data->fontVariantLigatures = variant ? RNSVGFontVariantLigaturesFromString(variant) : parent->fontVariantLigatures;
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NSString* anchor = [font objectForKey:TEXT_ANCHOR];
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data->textAnchor = anchor ? RNSVGTextAnchorFromString(anchor) : parent->textAnchor;
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NSString* decoration = [font objectForKey:TEXT_DECORATION];
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data->textDecoration = decoration ? RNSVGTextDecorationFromString(decoration) : parent->textDecoration;
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NSString* kerning = [font objectForKey:KERNING];
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data->manualKerning = (kerning || parent->manualKerning );
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data->kerning = kerning ? [RNSVGFontData toAbsoluteWithNSString:kerning
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scale:scale
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fontSize:data->fontSize ] : parent->kerning;
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NSString* wordSpacing = [font objectForKey:WORD_SPACING];
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data->wordSpacing = wordSpacing ? [RNSVGFontData toAbsoluteWithNSString:wordSpacing
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scale:scale
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fontSize:data->fontSize ] : parent->wordSpacing;
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NSString* letterSpacing = [font objectForKey:LETTER_SPACING];
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data->letterSpacing = letterSpacing ? [RNSVGFontData toAbsoluteWithNSString:letterSpacing
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scale:scale
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fontSize:data->fontSize ] : parent->letterSpacing;
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return data;
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}
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@end
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