Cleanup APPPrinterRenderer by introducing APPPrinterStyle
This commit is contained in:
Sebastián Katzer
parent
69541fb13e
commit
e1405e914b
@ -78,6 +78,9 @@
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<header-file src="src/ios/APPPrinterRenderer.h" />
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<source-file src="src/ios/APPPrinterRenderer.m" />
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<header-file src="src/ios/APPPrinterStyle.h" />
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<source-file src="src/ios/APPPrinterStyle.m" />
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<header-file src="src/ios/APPPrinterUnit.h" />
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<source-file src="src/ios/APPPrinterUnit.m" />
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@ -21,6 +21,7 @@
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#include "APPPrinterLayout.h"
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#include "APPPrinterRenderer.h"
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#include "APPPrinterStyle.h"
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#include "APPPrinterUnit.h"
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@interface APPPrinterRenderer ()
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@ -117,7 +118,6 @@
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inRect:(CGRect)rect
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{
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NSString *label = spec[@"text"];
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NSString *align = spec[@"align"];
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BOOL showIndex = [spec[@"showPageIndex"] boolValue];
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if (showIndex)
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@ -129,82 +129,10 @@
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if ([self strIsNullOrEmpty:label])
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return;
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NSMutableParagraphStyle *style = [[NSParagraphStyle defaultParagraphStyle]
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mutableCopy];
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APPPrinterStyle *style = [[APPPrinterStyle alloc]
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initWithDictionary:spec];
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if ([align isEqualToString:@"left"])
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{
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style.alignment = NSTextAlignmentLeft;
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}
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else if ([align isEqualToString:@"right"])
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{
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style.alignment = NSTextAlignmentRight;
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}
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else if ([align isEqualToString:@"center"])
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{
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style.alignment = NSTextAlignmentCenter;
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}
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else if ([align isEqualToString:@"justified"])
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{
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style.alignment = NSTextAlignmentJustified;
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}
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NSString *hex = spec[@"color"];
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UIColor *color;
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if ([self strIsNullOrEmpty:hex])
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{
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color = UIColor.darkTextColor;
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}
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else
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{
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if ([hex characterAtIndex:0] == '#')
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{
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hex = [hex substringFromIndex:1];
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}
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color = [self colorFromHexString:hex];
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}
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if (!color)
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{
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color = UIColor.darkTextColor;
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}
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double size = [spec[@"size"] doubleValue];
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if (size <= 0.0)
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{
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size = UIFont.smallSystemFontSize;
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}
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UIFont *font = [UIFont fontWithName:spec[@"font"] size:size];
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if (!font)
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{
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font = [UIFont systemFontOfSize:size];
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}
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UIFontDescriptorSymbolicTraits traits = 0;
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if ([spec[@"bold"] boolValue])
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{
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traits = traits | UIFontDescriptorTraitBold;
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}
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if ([spec[@"italic"] boolValue])
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{
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traits = traits | UIFontDescriptorTraitItalic;
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}
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font = [UIFont fontWithDescriptor:[font.fontDescriptor fontDescriptorWithSymbolicTraits:traits]
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size:size];
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NSDictionary *attrs = @{ NSFontAttributeName: font,
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NSParagraphStyleAttributeName: style,
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NSForegroundColorAttributeName: color };
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[label drawInRect:rect withAttributes:attrs];
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[label drawInRect:rect withAttributes:style.attributes];
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}
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- (BOOL) strIsNullOrEmpty:(NSString *)string
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@ -212,20 +140,4 @@
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return [string isEqual:[NSNull null]] || string.length == 0;
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}
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- (UIColor *)colorFromHexString:(NSString *)hex
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{
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unsigned rgb = 0;
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NSScanner *scanner = [NSScanner scannerWithString:hex];
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[scanner setCharactersToBeSkipped:
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[NSCharacterSet characterSetWithCharactersInString:@"#"]];
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[scanner scanHexInt:&rgb];
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return [UIColor colorWithRed:((rgb & 0xFF0000) >> 16)/255.0
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green:((rgb & 0xFF00) >> 8)/255.0
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blue:(rgb & 0xFF)/255.0 alpha:1.0];
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}
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@end
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35
src/ios/APPPrinterStyle.h
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35
src/ios/APPPrinterStyle.h
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@ -0,0 +1,35 @@
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/*
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Copyright 2013 appPlant GmbH
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Licensed to the Apache Software Foundation (ASF) under one
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or more contributor license agreements. See the NOTICE file
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distributed with this work for additional information
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regarding copyright ownership. The ASF licenses this file
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to you under the Apache License, Version 2.0 (the
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"License"); you may not use this file except in compliance
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with the License. You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing,
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software distributed under the License is distributed on an
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"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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KIND, either express or implied. See the License for the
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specific language governing permissions and limitations
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under the License.
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*/
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@interface APPPrinterStyle : NSObject
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- (instancetype) initWithDictionary:(NSDictionary *)spec;
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- (UIFont *)font;
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- (UIColor *)color;
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- (NSTextAlignment) textAlignment;
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- (NSDictionary<NSAttributedStringKey, id> *)attributes;
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@end
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169
src/ios/APPPrinterStyle.m
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169
src/ios/APPPrinterStyle.m
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@ -0,0 +1,169 @@
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/*
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Copyright 2013 appPlant GmbH
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Licensed to the Apache Software Foundation (ASF) under one
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or more contributor license agreements. See the NOTICE file
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distributed with this work for additional information
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regarding copyright ownership. The ASF licenses this file
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to you under the Apache License, Version 2.0 (the
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"License"); you may not use this file except in compliance
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with the License. You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing,
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software distributed under the License is distributed on an
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"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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KIND, either express or implied. See the License for the
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specific language governing permissions and limitations
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under the License.
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*/
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#include "APPPrinterStyle.h"
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@interface APPPrinterStyle ()
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@property (nonatomic, retain) NSDictionary *settings;
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@end
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@implementation APPPrinterStyle
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#pragma mark -
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#pragma mark Public
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- (instancetype) initWithDictionary:(NSDictionary *)settings
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{
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self = [self init];
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_settings = settings;
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return self;
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}
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- (NSDictionary<NSAttributedStringKey, id> *)attributes
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{
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NSMutableParagraphStyle *style = [[NSParagraphStyle defaultParagraphStyle]
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mutableCopy];
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style.alignment = self.textAlignment;
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return @{ NSFontAttributeName: self.font,
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NSParagraphStyleAttributeName: style,
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NSForegroundColorAttributeName: self.color };
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}
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- (UIFont *)font
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{
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double size = [_settings[@"size"] doubleValue];
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if (size <= 0.0)
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{
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size = UIFont.smallSystemFontSize;
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}
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UIFont *font = [UIFont fontWithName:_settings[@"font"] size:size];
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if (!font)
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{
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font = [UIFont systemFontOfSize:size];
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}
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UIFontDescriptorSymbolicTraits traits = 0;
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if ([_settings[@"bold"] boolValue])
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{
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traits = traits | UIFontDescriptorTraitBold;
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}
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if ([_settings[@"italic"] boolValue])
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{
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traits = traits | UIFontDescriptorTraitItalic;
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}
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UIFontDescriptor *descriptor = [font.fontDescriptor
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fontDescriptorWithSymbolicTraits:traits];
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return [UIFont fontWithDescriptor:descriptor size:size];
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}
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- (UIColor *)color
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{
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NSString *hex = _settings[@"color"];
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UIColor *color;
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if ([self strIsNullOrEmpty:hex])
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{
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color = UIColor.darkTextColor;
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}
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else
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{
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if ([hex characterAtIndex:0] == '#')
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{
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hex = [hex substringFromIndex:1];
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}
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color = [self colorFromHexString:hex];
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}
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if (!color)
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{
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color = UIColor.darkTextColor;
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}
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return color;
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}
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- (NSTextAlignment) textAlignment
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{
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NSString *align = _settings[@"align"];
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if ([align isEqualToString:@"left"])
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{
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return NSTextAlignmentLeft;
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}
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if ([align isEqualToString:@"right"])
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{
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return NSTextAlignmentRight;
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}
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if ([align isEqualToString:@"center"])
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{
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return NSTextAlignmentCenter;
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}
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if ([align isEqualToString:@"justified"])
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{
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return NSTextAlignmentJustified;
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}
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return NSTextAlignmentNatural;
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}
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#pragma mark -
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#pragma mark Private
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- (BOOL) strIsNullOrEmpty:(NSString *)string
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{
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return [string isEqual:[NSNull null]] || string.length == 0;
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}
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- (UIColor *)colorFromHexString:(NSString *)hex
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{
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unsigned rgb = 0;
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NSScanner *scanner = [NSScanner scannerWithString:hex];
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[scanner setCharactersToBeSkipped:
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[NSCharacterSet characterSetWithCharactersInString:@"#"]];
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[scanner scanHexInt:&rgb];
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return [UIColor colorWithRed:((rgb & 0xFF0000) >> 16)/255.0
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green:((rgb & 0xFF00) >> 8)/255.0
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blue:(rgb & 0xFF)/255.0 alpha:1.0];
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}
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@end
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