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NSAttributedString+Attributes.h
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NSAttributedString+Attributes.h
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/***********************************************************************************
* This software is under the MIT License quoted below:
***********************************************************************************
*
* Copyright (c) 2010 Olivier Halligon
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
***********************************************************************************/
#import <Foundation/Foundation.h>
#import <CoreText/CoreText.h>
#import <UIKit/UIKit.h>
#import "OHParagraphStyle.h"
extern NSString* kOHLinkAttributeName;
/////////////////////////////////////////////////////////////////////////////////////
#pragma mark - NSAttributedString Additions
@interface NSAttributedString (OHCommodityConstructors)
+(id)attributedStringWithString:(NSString*)string;
+(id)attributedStringWithAttributedString:(NSAttributedString*)attrStr;
//! Commodity method that call the following sizeConstrainedToSize:fitRange: method with NULL for the fitRange parameter
-(CGSize)sizeConstrainedToSize:(CGSize)maxSize;
//! if fitRange is not NULL, on return it will contain the used range that actually fits the constrained size.
//! Note: Use CGFLOAT_MAX for the CGSize's height if you don't want a constraint for the height.
-(CGSize)sizeConstrainedToSize:(CGSize)maxSize fitRange:(NSRange*)fitRange;
-(CTFontRef)fontAtIndex:(NSUInteger)index effectiveRange:(NSRangePointer)aRange;
-(UIColor*)textColorAtIndex:(NSUInteger)index effectiveRange:(NSRangePointer)aRange;
-(BOOL)textIsUnderlinedAtIndex:(NSUInteger)index effectiveRange:(NSRangePointer)aRange;
//! @return a combination of CTUnderlineStyle & CTUnderlineStyleModifiers
-(int32_t)textUnderlineStyleAtIndex:(NSUInteger)index effectiveRange:(NSRangePointer)aRange;
-(BOOL)textIsBoldAtIndex:(NSUInteger)index effectiveRange:(NSRangePointer)aRange;
-(CTTextAlignment)textAlignmentAtIndex:(NSUInteger)index effectiveRange:(NSRangePointer)aRange;
-(CTLineBreakMode)lineBreakModeAtIndex:(NSUInteger)index effectiveRange:(NSRangePointer)aRange;
-(OHParagraphStyle*)paragraphStyleAtIndex:(NSUInteger)index effectiveRange:(NSRangePointer)aRange;
-(NSURL*)linkAtIndex:(NSUInteger)index effectiveRange:(NSRangePointer)aRange;
@end
/////////////////////////////////////////////////////////////////////////////////////
#pragma mark - NSMutableAttributedString Additions
@interface NSMutableAttributedString (OHCommodityStyleModifiers)
-(void)setFont:(UIFont*)font;
-(void)setFont:(UIFont*)font range:(NSRange)range;
-(void)setFontName:(NSString*)fontName size:(CGFloat)size;
-(void)setFontName:(NSString*)fontName size:(CGFloat)size range:(NSRange)range;
-(void)setFontFamily:(NSString*)fontFamily size:(CGFloat)size bold:(BOOL)isBold italic:(BOOL)isItalic range:(NSRange)range;
-(void)setTextColor:(UIColor*)color;
-(void)setTextColor:(UIColor*)color range:(NSRange)range;
-(void)setTextIsUnderlined:(BOOL)underlined;
-(void)setTextIsUnderlined:(BOOL)underlined range:(NSRange)range;
//! @param style is a combination of CTUnderlineStyle & CTUnderlineStyleModifiers
-(void)setTextUnderlineStyle:(int32_t)style range:(NSRange)range;
-(void)setTextBold:(BOOL)isBold range:(NSRange)range;
-(void)setTextItalics:(BOOL)isItalics range:(NSRange)range;
-(void)setTextAlignment:(CTTextAlignment)alignment lineBreakMode:(CTLineBreakMode)lineBreakMode;
-(void)setTextAlignment:(CTTextAlignment)alignment lineBreakMode:(CTLineBreakMode)lineBreakMode range:(NSRange)range;
/* The characterSpacing attribute indicate how many points the following character should be shifted from its default offset as defined by the current character's font in points; a positive characterSpacing indicates a shift farther along and a negative characterSpacing indicates a shift closer to the current character. If this attribute is not present, standard character spacing will be used. If this attribute is set to 0.0, no characterSpacing will be done at all. */
-(void)setCharacterSpacing:(CGFloat)chracterSpacing;
-(void)setCharacterSpacing:(CGFloat)chracterSpacing range:(NSRange)range;
/* Allows you to modify only certain Paragraph Styles without changing the others (for example changing the firstLineHeadIndent without overriding the textAlignment) */
-(void)modifyParagraphStylesWithBlock:(void(^)(OHParagraphStyle* paragraphStyle))block;
-(void)modifyParagraphStylesInRange:(NSRange)range withBlock:(void(^)(OHParagraphStyle* paragraphStyle))block;
/* Override the Paragraph Styles, dropping the ones previously set if any.
Be aware that this will override the text alignment, linebreakmode, and all other paragraph styles with the new values */
-(void)setParagraphStyle:(OHParagraphStyle *)style;
-(void)setParagraphStyle:(OHParagraphStyle*)style range:(NSRange)range;
-(void)setLink:(NSURL*)link range:(NSRange)range;
@end