小说绘上架版本
This commit is contained in:
xtfei2011
+87
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//
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// NSMutableAttributedString+TY.h
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// TYAttributedLabelDemo
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//
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// Created by tanyang on 15/4/8.
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// Copyright (c) 2015年 tanyang. All rights reserved.
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//
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#import <Foundation/Foundation.h>
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#import <UIKit/UIKit.h>
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#import <CoreText/CoreText.h>
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@interface NSMutableAttributedString (TY)
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/**
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* 添加文本颜色属性
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*
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* @param color 文本颜色
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*/
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- (void)addAttributeTextColor:(UIColor*)color;
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- (void)addAttributeTextColor:(UIColor*)color range:(NSRange)range;
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/**
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* 添加文本字体属性
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*
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* @param font 字体
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*/
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- (void)addAttributeFont:(UIFont *)font;
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- (void)addAttributeFont:(UIFont *)font range:(NSRange)range;
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/**
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* 添加文本字符间隔
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*
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* @param characterSpacing 字符间隔
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*/
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- (void)addAttributeCharacterSpacing:(unichar)characterSpacing;
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- (void)addAttributeCharacterSpacing:(unichar)characterSpacing range:(NSRange)range;
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/**
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* 添加下划线样式
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*
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* @param style 下划线 （单下划线 双 无）
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* @param modifier 下划线样式 （点 线）
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*/
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- (void)addAttributeUnderlineStyle:(CTUnderlineStyle)style
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modifier:(CTUnderlineStyleModifiers)modifier;
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- (void)addAttributeUnderlineStyle:(CTUnderlineStyle)style
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modifier:(CTUnderlineStyleModifiers)modifier
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range:(NSRange)range;
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/**
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* 添加空心字
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*
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* @param strokeWidth 空心字边框宽
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* @param strokeColor 空心字边框颜色
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*/
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- (void)addAttributeStrokeWidth:(unichar)strokeWidth
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strokeColor:(UIColor *)strokeColor;
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- (void)addAttributeStrokeWidth:(unichar)strokeWidth
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strokeColor:(UIColor *)strokeColor
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range:(NSRange)range;
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/**
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* 添加文本段落样式
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*
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* @param textAlignment 文本对齐样式
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* @param linesSpacing 文本行间距
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* @param paragraphSpacing 段落间距
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* @param lineBreakMode 文本换行样式
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*/
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- (void)addAttributeAlignmentStyle:(CTTextAlignment)textAlignment
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lineSpaceStyle:(CGFloat)linesSpacing
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paragraphSpaceStyle:(CGFloat)paragraphSpacing
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lineBreakStyle:(CTLineBreakMode)lineBreakMode;
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- (void)addAttributeAlignmentStyle:(CTTextAlignment)textAlignment
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lineSpaceStyle:(CGFloat)linesSpacing
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paragraphSpaceStyle:(CGFloat)paragraphSpacing
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lineBreakStyle:(CTLineBreakMode)lineBreakMode
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range:(NSRange)range;
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@end
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+168
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//
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// NSMutableAttributedString+TY.m
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// TYAttributedLabelDemo
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//
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// Created by tanyang on 15/4/8.
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// Copyright (c) 2015年 tanyang. All rights reserved.
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//
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#import "NSMutableAttributedString+TY.h"
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@implementation NSMutableAttributedString (TY)
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#pragma mark - 文本颜色属性
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- (void)addAttributeTextColor:(UIColor*)color
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{
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[self addAttributeTextColor:color range:NSMakeRange(0, [self length])];
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}
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- (void)addAttributeTextColor:(UIColor*)color range:(NSRange)range
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{
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if (color.CGColor)
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{
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[self removeAttribute:(NSString *)kCTForegroundColorAttributeName range:range];
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[self addAttribute:(NSString *)kCTForegroundColorAttributeName
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value:(id)color.CGColor
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range:range];
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}
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}
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#pragma mark - 文本字体属性
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- (void)addAttributeFont:(UIFont *)font
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{
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[self addAttributeFont:font range:NSMakeRange(0, [self length])];
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}
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- (void)addAttributeFont:(UIFont *)font range:(NSRange)range
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{
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if (font)
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{
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[self removeAttribute:(NSString*)kCTFontAttributeName range:range];
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CTFontRef fontRef = CTFontCreateWithName((CFStringRef)@"SFUI-Regular", font.pointSize, nil);
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if (nil != fontRef)
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{
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[self addAttribute:(NSString *)kCTFontAttributeName value:(__bridge id)fontRef range:range];
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CFRelease(fontRef);
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}
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}
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}
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#pragma mark - 文本字符间隔属性
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- (void)addAttributeCharacterSpacing:(unichar)characterSpacing
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{
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[self addAttributeCharacterSpacing:characterSpacing range:NSMakeRange(0, self.length)];
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}
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- (void)addAttributeCharacterSpacing:(unichar)characterSpacing range:(NSRange)range
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{
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[self removeAttribute:(id)kCTKernAttributeName range:range];
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CFNumberRef num = CFNumberCreate(kCFAllocatorDefault,kCFNumberSInt16Type,&characterSpacing);
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[self addAttribute:(id)kCTKernAttributeName value:(__bridge id)num range:range];
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CFRelease(num);
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}
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#pragma mark - 文本下划线属性
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- (void)addAttributeUnderlineStyle:(CTUnderlineStyle)style
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modifier:(CTUnderlineStyleModifiers)modifier
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{
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[self addAttributeUnderlineStyle:style
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modifier:modifier
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range:NSMakeRange(0, self.length)];
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}
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- (void)addAttributeUnderlineStyle:(CTUnderlineStyle)style
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modifier:(CTUnderlineStyleModifiers)modifier
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range:(NSRange)range
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{
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[self removeAttribute:(NSString *)kCTUnderlineColorAttributeName range:range];
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if (style != kCTUnderlineStyleNone) {
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[self addAttribute:(NSString *)kCTUnderlineStyleAttributeName
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value:[NSNumber numberWithInt:(style|modifier)]
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range:range];
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}
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}
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#pragma mark - 文本空心字及颜色
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- (void)addAttributeStrokeWidth:(unichar)strokeWidth
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strokeColor:(UIColor *)strokeColor
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{
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[self addAttributeStrokeWidth:strokeWidth strokeColor:strokeColor range:NSMakeRange(0, self.length)];
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}
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- (void)addAttributeStrokeWidth:(unichar)strokeWidth
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strokeColor:(UIColor *)strokeColor
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range:(NSRange)range
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{
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[self removeAttribute:(id)kCTStrokeWidthAttributeName range:range];
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if (strokeWidth > 0) {
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CFNumberRef num = CFNumberCreate(kCFAllocatorDefault,kCFNumberSInt16Type,&strokeWidth);
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[self addAttribute:(id)kCTStrokeWidthAttributeName value:(__bridge id)num range:range];
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CFRelease(num);
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}
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[self removeAttribute:(id)kCTStrokeColorAttributeName range:range];
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if (strokeColor) {
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[self addAttribute:(id)kCTStrokeColorAttributeName value:(id)strokeColor.CGColor range:range];
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}
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}
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#pragma mark - 文本段落样式属性
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- (void)addAttributeAlignmentStyle:(CTTextAlignment)textAlignment
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lineSpaceStyle:(CGFloat)linesSpacing
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paragraphSpaceStyle:(CGFloat)paragraphSpacing
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lineBreakStyle:(CTLineBreakMode)lineBreakMode
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{
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[self addAttributeAlignmentStyle:textAlignment lineSpaceStyle:linesSpacing paragraphSpaceStyle:paragraphSpacing lineBreakStyle:lineBreakMode range:NSMakeRange(0, self.length)];
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}
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- (void)addAttributeAlignmentStyle:(CTTextAlignment)textAlignment
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lineSpaceStyle:(CGFloat)linesSpacing
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paragraphSpaceStyle:(CGFloat)paragraphSpacing
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lineBreakStyle:(CTLineBreakMode)lineBreakMode
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range:(NSRange)range
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{
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[self removeAttribute:(id)kCTParagraphStyleAttributeName range:range];
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// 创建文本对齐方式
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CTParagraphStyleSetting alignmentStyle;
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alignmentStyle.spec = kCTParagraphStyleSpecifierAlignment;//指定为对齐属性
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alignmentStyle.valueSize = sizeof(textAlignment);
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alignmentStyle.value = &textAlignment;
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// 创建文本行间距
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CTParagraphStyleSetting lineSpaceStyle;
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lineSpaceStyle.spec = kCTParagraphStyleSpecifierLineSpacingAdjustment;
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lineSpaceStyle.valueSize = sizeof(linesSpacing);
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lineSpaceStyle.value = &linesSpacing;
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//段落间距
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CTParagraphStyleSetting paragraphSpaceStyle;
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paragraphSpaceStyle.spec = kCTParagraphStyleSpecifierParagraphSpacing;
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paragraphSpaceStyle.value = ¶graphSpacing;
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paragraphSpaceStyle.valueSize = sizeof(paragraphSpacing);
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//换行模式
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CTParagraphStyleSetting lineBreakStyle;
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lineBreakStyle.spec = kCTParagraphStyleSpecifierLineBreakMode;
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lineBreakStyle.value = &lineBreakMode;
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lineBreakStyle.valueSize = sizeof(lineBreakMode);
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// 创建样式数组
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CTParagraphStyleSetting settings[] = {alignmentStyle ,lineSpaceStyle, paragraphSpaceStyle, lineBreakStyle};
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CTParagraphStyleRef paragraphStyle = CTParagraphStyleCreate(settings, sizeof(settings) / sizeof(settings[0])); // 设置样式
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// 设置段落属性
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[self addAttribute:(id)kCTParagraphStyleAttributeName value:(id)CFBridgingRelease(paragraphStyle) range:range];
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}
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@end
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+329
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//
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// TYAttributedLabel.h
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// TYAttributedLabelDemo
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//
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// Created by tanyang on 15/4/8.
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// Copyright (c) 2015年 tanyang. All rights reserved.
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// TYAttributedLabel v2.0 verson
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#import <UIKit/UIKit.h>
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#import "TYTextContainer.h"
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typedef NS_ENUM(NSUInteger, TYVerticalAlignment) {
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TYVerticalAlignmentTop,
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TYVerticalAlignmentCenter,
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TYVerticalAlignmentBottom,
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};
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@class TYAttributedLabel;
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@protocol TYAttributedLabelDelegate <NSObject>
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@optional
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// 点击代理
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- (void)attributedLabel:(TYAttributedLabel *)attributedLabel textStorageClicked:(id<TYTextStorageProtocol>)textStorage atPoint:(CGPoint)point;
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// 长按代理 有多个状态 begin, changes, end 都会调用,所以需要判断状态
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- (void)attributedLabel:(TYAttributedLabel *)attributedLabel textStorageLongPressed:(id<TYTextStorageProtocol>)textStorage onState:(UIGestureRecognizerState)state atPoint:(CGPoint)point;
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// 长按非Container区域代理 有多个状态 begin, changes, end 都会调用,所以需要判断状态
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- (void)attributedLabel:(TYAttributedLabel *)attributedLabel lableLongPressOnState:(UIGestureRecognizerState)state atPoint:(CGPoint)point;
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@end
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/**
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* TYAttributedLabel 属性文本 支持图文混排显示，支持添加image和UIView，支持自定义排版
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*/
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@interface TYAttributedLabel : UIView
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@property (nonatomic, assign) id<TYAttributedLabelDelegate> delegate;
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@property (nonatomic, strong) NSString *text;
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@property (nonatomic, strong) UIColor *textColor; // 文字颜色
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@property (nonatomic, strong) UIFont *font; // 文字大小
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@property (nonatomic,assign) NSInteger numberOfLines; //行数
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@property (nonatomic, strong) UIColor *linkColor; //链接颜色
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@property (nonatomic, strong) UIColor *highlightedLinkColor;//默认nil高亮链接颜色
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@property (nonatomic, strong) UIColor *highlightedLinkBackgroundColor;//链接高亮背景颜色
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@property (nonatomic, assign) CGFloat highlightedLinkBackgroundRadius; // 高亮背景圆角
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@property (nonatomic, assign) unichar strokeWidth; // 空心字边框宽
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@property (nonatomic, strong) UIColor *strokeColor; // 空心字边框颜色
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@property (nonatomic, assign) unichar characterSpacing; // 字距
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@property (nonatomic, assign) CGFloat linesSpacing; // 行距
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@property (nonatomic, assign) CGFloat paragraphSpacing; // 段落间距
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@property (nonatomic, assign) CTTextAlignment textAlignment; // 文本对齐方式 kCTTextAlignmentLeft
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@property (nonatomic, assign) CTLineBreakMode lineBreakMode; // 换行模式 kCTLineBreakByCharWrapping
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@property (nonatomic, assign) TYVerticalAlignment verticalAlignment; // 垂直对齐方式 默认是向上对齐
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@property (nonatomic, strong) TYTextContainer *textContainer;
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@property (nonatomic, assign) CGFloat preferredMaxLayoutWidth; // Autolayout
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@property (nonatomic, assign) BOOL isWidthToFit; // 宽度自适应 默认NO
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/**
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* 获取普通文本内容
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*/
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- (NSString *)text;
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/**
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* 获取属性文本内容
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*/
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- (NSAttributedString *)attributedText;
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/**
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* 设置普通初始化文本内容
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*
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* @param text 普通文本内容
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*/
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- (void)setText:(NSString *)text;
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/**
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* 设置属性初始化文本内容
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*
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* @param attributedText 属性文本内容
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*/
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- (void)setAttributedText: (NSAttributedString *)attributedText;
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/**
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* 添加 textStorage （自定义显示内容）
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*
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* @param textStorage 自定义
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*/
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- (void)addTextStorage:(id<TYTextStorageProtocol>)textStorage;
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/**
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* 添加 textRun数组 （自定义显示内容）
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*
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*/
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- (void)addTextStorageArray:(NSArray *)textStorageArray;
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/**
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* 调用可以自动计算frame大小（请确定label之前设置了宽度）
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*/
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- (void)sizeToFit;
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/**
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* 获取文本真正的高度
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*/
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- (int)getHeightWithWidth:(CGFloat)width;
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/**
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* 获取文本真正的size
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*/
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- (CGSize)getSizeWithWidth:(CGFloat)width;
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/**
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* 设置文本位置大小 （自动计算高度，根据宽度）
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*/
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- (void)setFrameWithOrign:(CGPoint)orign Width:(CGFloat)width;
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@end
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#pragma mark - 扩展追加内容 (Append)
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// 追加内容 （添加在AttributedString最后）
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@interface TYAttributedLabel (AppendAttributedString)
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/**
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* 追加(添加到最后) 普通文本
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*
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* @param text 普通文本
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*/
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- (void)appendText:(NSString *)text;
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/**
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* 追加(添加到最后) 属性文本
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*
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* @param attributedText 属性文本
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*/
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- (void)appendTextAttributedString: (NSAttributedString *)attributedText;
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/**
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* 追加(添加到最后) textStorage （自定义显示内容）
|
||||
*
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* @param textStorage 自定义Storage（自定义显示内容）
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*/
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- (void)appendTextStorage:(id<TYAppendTextStorageProtocol>)textStorage;
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/**
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* 追加(添加到最后) textStorage 数组
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*
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* @param textStorageArray 自定义run数组（需遵循协议TYAppendTextStorageProtocol,否则不会添加）
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*/
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- (void)appendTextStorageArray:(NSArray *)textStorageArray;
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@end
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#pragma mark - 扩展支持Link链接
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@interface TYAttributedLabel (Link)
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/**
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* 添加 链接LinkTextStorage
|
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*/
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- (void)addLinkWithLinkData:(id)linkData range:(NSRange )range;
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||||
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||||
/**
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* 添加 链接LinkTextStorage
|
||||
*
|
||||
* @param linkData 链接携带的数据
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||||
* @param linkColor 链接颜色
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* @param range 范围
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*/
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- (void)addLinkWithLinkData:(id)linkData linkColor:(UIColor *)linkColor range:(NSRange )range;
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- (void)addLinkWithLinkData:(id)linkData linkColor:(UIColor *)linkColor underLineStyle:(CTUnderlineStyle)underLineStyle range:(NSRange )range;
|
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|
||||
/**
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* 追加 链接LinkTextStorage
|
||||
*/
|
||||
- (void)appendLinkWithText:(NSString *)linkText linkFont:(UIFont *)linkFont linkData:(id)linkData;
|
||||
|
||||
/**
|
||||
* 追加 链接LinkTextStorage
|
||||
*
|
||||
* @param linkText 链接文本
|
||||
* @param linkData 链接携带的数据
|
||||
*/
|
||||
- (void)appendLinkWithText:(NSString *)linkText linkFont:(UIFont *)linkFont linkColor:(UIColor *)linkColor linkData:(id)linkData;
|
||||
|
||||
- (void)appendLinkWithText:(NSString *)linkText linkFont:(UIFont *)linkFont linkColor:(UIColor *)linkColor underLineStyle:(CTUnderlineStyle)underLineStyle linkData:(id)linkData;
|
||||
|
||||
@end
|
||||
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||||
#pragma mark - 扩展支持UIImage
|
||||
@interface TYAttributedLabel (UIImage)
|
||||
|
||||
#pragma mark - addImageStorage
|
||||
|
||||
/**
|
||||
* 添加 imageStorage image数据
|
||||
*/
|
||||
- (void)addImage:(UIImage *)image range:(NSRange)range;
|
||||
|
||||
/**
|
||||
* 添加 imageStorage image数据
|
||||
*/
|
||||
- (void)addImage:(UIImage *)image range:(NSRange)range size:(CGSize)size;
|
||||
|
||||
/**
|
||||
* 添加 imageStorage image数据
|
||||
*
|
||||
* @param image image
|
||||
* @param range 所在文本位置
|
||||
* @param size 图片大小
|
||||
* @param alignment 图片对齐方式
|
||||
*/
|
||||
- (void)addImage:(UIImage *)image range:(NSRange)range
|
||||
size:(CGSize)size
|
||||
alignment: (TYDrawAlignment)alignment;
|
||||
|
||||
/**
|
||||
* 添加 imageStorage image数据
|
||||
*/
|
||||
- (void)addImageWithName:(NSString *)imageName range:(NSRange)range;
|
||||
|
||||
/**
|
||||
* 添加 imageStorage image数据
|
||||
*/
|
||||
- (void)addImageWithName:(NSString *)imageName
|
||||
range:(NSRange)range
|
||||
size:(CGSize)size;
|
||||
|
||||
/**
|
||||
* 添加 imageStorage image数据
|
||||
*
|
||||
* @param imageName image名
|
||||
* @param range 所在文本位置
|
||||
* @param size 图片大小
|
||||
* @param alignment 图片对齐方式
|
||||
*/
|
||||
- (void)addImageWithName:(NSString *)imageName
|
||||
range:(NSRange)range
|
||||
size:(CGSize)size
|
||||
alignment:(TYDrawAlignment)alignment;
|
||||
|
||||
#pragma mark - appendImageStorage
|
||||
|
||||
/**
|
||||
* 追加 imageStorage image数据
|
||||
*/
|
||||
- (void)appendImage:(UIImage *)image;
|
||||
|
||||
/**
|
||||
* 追加 imageStorage image数据
|
||||
*/
|
||||
- (void)appendImage:(UIImage *)image
|
||||
size:(CGSize)size;
|
||||
|
||||
/**
|
||||
* 追加 imageStorage image数据
|
||||
*
|
||||
* @param image image
|
||||
* @param size 图片大小
|
||||
* @param alignment 图片对齐
|
||||
*/
|
||||
- (void)appendImage:(UIImage *)image
|
||||
size:(CGSize)size
|
||||
alignment:(TYDrawAlignment)alignment;
|
||||
|
||||
/**
|
||||
* 追加 imageStorage image数据
|
||||
*/
|
||||
- (void)appendImageWithName:(NSString *)imageName;
|
||||
|
||||
/**
|
||||
* 追加 imageStorage image数据
|
||||
*/
|
||||
- (void)appendImageWithName:(NSString *)imageName size:(CGSize)size;
|
||||
|
||||
/**
|
||||
* 追加 imageStorage image数据
|
||||
*
|
||||
* @param imageName imageName
|
||||
* @param size 图片大小
|
||||
* @param alignment 图片对齐
|
||||
*/
|
||||
- (void)appendImageWithName:(NSString *)imageName
|
||||
size:(CGSize)size
|
||||
alignment:(TYDrawAlignment)alignment;
|
||||
|
||||
@end
|
||||
|
||||
#pragma mark - 扩展支持UIView
|
||||
@interface TYAttributedLabel (UIView)
|
||||
|
||||
/**
|
||||
* 添加 viewStorage (添加 UI控件 需要设置frame)
|
||||
*/
|
||||
- (void)addView:(UIView *)view range:(NSRange)range;
|
||||
|
||||
/**
|
||||
* 添加 viewStorage (添加 UI控件 需要设置frame)
|
||||
*
|
||||
* @param view UIView (UI控件)
|
||||
* @param range 所在文本位置
|
||||
* @param alignment view对齐方式
|
||||
*/
|
||||
- (void)addView:(UIView *)view
|
||||
range:(NSRange)range
|
||||
alignment:(TYDrawAlignment)alignment;
|
||||
|
||||
/**
|
||||
* 追加 viewStorage (添加 UI控件 需要设置frame)
|
||||
*/
|
||||
- (void)appendView:(UIView *)view;
|
||||
|
||||
/**
|
||||
* 追加 viewStorage (添加 UI控件 需要设置frame)
|
||||
*
|
||||
* @param view UIView (UI控件)
|
||||
* @param alignment view对齐
|
||||
*/
|
||||
- (void)appendView:(UIView *)view alignment:(TYDrawAlignment)alignment;
|
||||
|
||||
@end
|
||||
+1018
File diff suppressed because it is too large
Load Diff
@@ -0,0 +1,40 @@
|
||||
//
|
||||
// TYDrawStorage.h
|
||||
// TYAttributedLabelDemo
|
||||
//
|
||||
// Created by tanyang on 15/4/8.
|
||||
// Copyright (c) 2015年 tanyang. All rights reserved.
|
||||
//
|
||||
|
||||
#import "TYTextStorageProtocol.h"
|
||||
|
||||
@interface TYDrawStorage : NSObject<TYDrawStorageProtocol>
|
||||
|
||||
@property (nonatomic, assign) NSInteger tag; // 标识
|
||||
@property (nonatomic, assign) NSRange range; // 文本范围
|
||||
@property (nonatomic, assign) NSRange realRange;
|
||||
@property (nonatomic, assign) UIEdgeInsets margin; // 图片四周间距
|
||||
@property (nonatomic, assign) CGSize size; // 绘画物大小
|
||||
@property (nonatomic, assign) TYDrawAlignment drawAlignment; // 对齐方式
|
||||
|
||||
/**
|
||||
* 获取绘画区域上行高度(默认实现)
|
||||
*/
|
||||
- (CGFloat)getDrawRunAscentHeight;
|
||||
|
||||
/**
|
||||
* 获取绘画区域下行高度 默认实现为0（一般不需要改写）
|
||||
*/
|
||||
- (CGFloat)getDrawRunDescentHeight;
|
||||
|
||||
/**
|
||||
* 获取绘画区域宽度（默认实现）
|
||||
*/
|
||||
- (CGFloat)getDrawRunWidth;
|
||||
|
||||
/**
|
||||
* 释放内存 （一般不需要 已注释 需要在打开）
|
||||
*/
|
||||
//- (void)DrawRunDealloc;
|
||||
|
||||
@end
|
||||
@@ -0,0 +1,217 @@
|
||||
//
|
||||
// TYDrawStorage.m
|
||||
// TYAttributedLabelDemo
|
||||
//
|
||||
// Created by tanyang on 15/4/8.
|
||||
// Copyright (c) 2015年 tanyang. All rights reserved.
|
||||
//
|
||||
|
||||
#import "TYDrawStorage.h"
|
||||
#import <CoreText/CoreText.h>
|
||||
|
||||
@interface TYDrawStorage (){
|
||||
CGFloat _fontAscent;
|
||||
CGFloat _fontDescent;
|
||||
|
||||
NSRange _fixRange;
|
||||
}
|
||||
@end
|
||||
|
||||
@implementation TYDrawStorage
|
||||
|
||||
#pragma mark - protocol
|
||||
|
||||
- (void)currentReplacedStringNum:(NSInteger)replacedStringNum
|
||||
{
|
||||
_fixRange = [self fixRange:_range replaceStringNum:replacedStringNum];
|
||||
}
|
||||
|
||||
- (void)setTextfontAscent:(CGFloat)ascent descent:(CGFloat)descent;
|
||||
{
|
||||
_fontAscent = ascent;
|
||||
_fontDescent = -descent;
|
||||
}
|
||||
|
||||
- (void)addTextStorageWithAttributedString:(NSMutableAttributedString *)attributedString
|
||||
{
|
||||
NSRange range = _fixRange;
|
||||
if (range.location == NSNotFound) {
|
||||
return;
|
||||
}else {
|
||||
// 用空白替换
|
||||
[attributedString replaceCharactersInRange:range withString:[self spaceReplaceString]];
|
||||
// 修正range
|
||||
range = NSMakeRange(range.location, 1);
|
||||
_realRange = range;
|
||||
}
|
||||
|
||||
// 设置合适的对齐
|
||||
[self setAppropriateAlignment];
|
||||
|
||||
// 添加文本属性和runDelegate
|
||||
[self addRunDelegateWithAttributedString:attributedString range:range];
|
||||
}
|
||||
|
||||
- (NSAttributedString *)appendTextStorageAttributedString
|
||||
{
|
||||
// 创建空字符属性文本
|
||||
NSMutableAttributedString *attributedString = [[NSMutableAttributedString alloc] initWithString:[self spaceReplaceString]];
|
||||
// 修正range
|
||||
_range = NSMakeRange(0, 1);
|
||||
|
||||
// 设置合适的对齐
|
||||
[self setAppropriateAlignment];
|
||||
|
||||
// 添加文本属性和runDelegate
|
||||
[self addRunDelegateWithAttributedString:attributedString range:_range];
|
||||
return attributedString;
|
||||
}
|
||||
|
||||
- (void)drawStorageWithRect:(CGRect)rect
|
||||
{
|
||||
|
||||
}
|
||||
|
||||
#pragma mark - public
|
||||
|
||||
- (CGFloat)getDrawRunAscentHeight
|
||||
{
|
||||
CGFloat ascent = 0;
|
||||
CGFloat height = self.size.height+_margin.bottom+_margin.top;
|
||||
switch (_drawAlignment)
|
||||
{
|
||||
case TYDrawAlignmentTop:
|
||||
ascent = height - _fontDescent;
|
||||
break;
|
||||
case TYDrawAlignmentCenter:
|
||||
{
|
||||
CGFloat baseLine = (_fontAscent + _fontDescent) / 2 - _fontDescent;
|
||||
ascent = height / 2 + baseLine;
|
||||
break;
|
||||
}
|
||||
case TYDrawAlignmentBottom:
|
||||
ascent = _fontAscent;
|
||||
break;
|
||||
default:
|
||||
break;
|
||||
}
|
||||
return ascent;
|
||||
}
|
||||
|
||||
- (CGFloat)getDrawRunWidth
|
||||
{
|
||||
return self.size.width+_margin.left+_margin.right;
|
||||
}
|
||||
|
||||
- (CGFloat)getDrawRunDescentHeight
|
||||
{
|
||||
CGFloat descent = 0;
|
||||
CGFloat height = self.size.height+_margin.bottom+_margin.top;
|
||||
switch (_drawAlignment)
|
||||
{
|
||||
case TYDrawAlignmentTop:
|
||||
descent = _fontDescent;
|
||||
break;
|
||||
case TYDrawAlignmentCenter:
|
||||
{
|
||||
CGFloat baseLine = (_fontAscent + _fontDescent) / 2 - _fontDescent;
|
||||
descent = height / 2 - baseLine;
|
||||
break;
|
||||
}
|
||||
case TYDrawAlignmentBottom:
|
||||
descent = height - _fontAscent;
|
||||
break;
|
||||
default:
|
||||
break;
|
||||
}
|
||||
|
||||
return descent;
|
||||
}
|
||||
|
||||
- (void)DrawRunDealloc
|
||||
{
|
||||
|
||||
}
|
||||
|
||||
#pragma mark - private
|
||||
|
||||
- (NSString *)spaceReplaceString
|
||||
{
|
||||
// 替换字符
|
||||
unichar objectReplacementChar = 0xFFFC;
|
||||
NSString *objectReplacementString = [NSString stringWithCharacters:&objectReplacementChar length:1];
|
||||
return objectReplacementString;
|
||||
}
|
||||
|
||||
- (void)setAppropriateAlignment
|
||||
{
|
||||
// 判断size 大小 小于 _fontAscent 把对齐设为中心 更美观
|
||||
if (_size.height <= _fontAscent + _fontDescent) {
|
||||
_drawAlignment = TYDrawAlignmentCenter;
|
||||
}
|
||||
}
|
||||
|
||||
- (NSRange)fixRange:(NSRange)range replaceStringNum:(NSInteger)replaceStringNum
|
||||
{
|
||||
NSRange fixRange = range;
|
||||
if (range.length <= 1 || replaceStringNum < 0)
|
||||
return fixRange;
|
||||
|
||||
NSInteger location = range.location - replaceStringNum;
|
||||
NSInteger length = range.length - replaceStringNum;
|
||||
|
||||
if (location < 0 && length > 0) {
|
||||
fixRange = NSMakeRange(range.location, length);
|
||||
}else if (location < 0 && length <= 0){
|
||||
fixRange = NSMakeRange(NSNotFound, 0);
|
||||
}else {
|
||||
fixRange = NSMakeRange(range.location - replaceStringNum, range.length);
|
||||
}
|
||||
return fixRange;
|
||||
}
|
||||
|
||||
// 添加文本属性和runDelegate
|
||||
- (void)addRunDelegateWithAttributedString:(NSMutableAttributedString *)attributedString range:(NSRange)range
|
||||
{
|
||||
// 添加文本属性和runDelegate
|
||||
[attributedString addAttribute:kTYTextRunAttributedName value:self range:range];
|
||||
|
||||
//为图片设置CTRunDelegate,delegate决定留给显示内容的空间大小
|
||||
CTRunDelegateCallbacks runCallbacks;
|
||||
runCallbacks.version = kCTRunDelegateVersion1;
|
||||
runCallbacks.dealloc = TYTextRunDelegateDeallocCallback;
|
||||
runCallbacks.getAscent = TYTextRunDelegateGetAscentCallback;
|
||||
runCallbacks.getDescent = TYTextRunDelegateGetDescentCallback;
|
||||
runCallbacks.getWidth = TYTextRunDelegateGetWidthCallback;
|
||||
|
||||
CTRunDelegateRef runDelegate = CTRunDelegateCreate(&runCallbacks, (__bridge void *)(self));
|
||||
[attributedString addAttribute:(__bridge_transfer NSString *)kCTRunDelegateAttributeName value:(__bridge id)runDelegate range:range];
|
||||
CFRelease(runDelegate);
|
||||
}
|
||||
|
||||
//CTRun的回调，销毁内存的回调
|
||||
void TYTextRunDelegateDeallocCallback( void* refCon ){
|
||||
//TYDrawRun *textRun = (__bridge TYDrawRun *)refCon;
|
||||
//[textRun DrawRunDealloc];
|
||||
}
|
||||
|
||||
//CTRun的回调，获取高度
|
||||
CGFloat TYTextRunDelegateGetAscentCallback( void *refCon ){
|
||||
|
||||
TYDrawStorage *drawStorage = (__bridge TYDrawStorage *)refCon;
|
||||
return [drawStorage getDrawRunAscentHeight];
|
||||
}
|
||||
|
||||
CGFloat TYTextRunDelegateGetDescentCallback(void *refCon){
|
||||
TYDrawStorage *drawStorage = (__bridge TYDrawStorage *)refCon;
|
||||
return [drawStorage getDrawRunDescentHeight];
|
||||
}
|
||||
|
||||
//CTRun的回调，获取宽度
|
||||
CGFloat TYTextRunDelegateGetWidthCallback(void *refCon){
|
||||
|
||||
TYDrawStorage *drawStorage = (__bridge TYDrawStorage *)refCon;
|
||||
return [drawStorage getDrawRunWidth];
|
||||
}
|
||||
|
||||
@end
|
||||
@@ -0,0 +1,44 @@
|
||||
//
|
||||
// TYImageCache.h
|
||||
// TYImageCache
|
||||
//
|
||||
// Created by tanyang on 25/08/15.
|
||||
// Copyright (c) 2015 tanyang. All rights reserved.
|
||||
//
|
||||
|
||||
#import <UIKit/UIKit.h>
|
||||
|
||||
@interface TYImageCache : NSObject
|
||||
@property (nonatomic, strong) NSString *localDirectory;
|
||||
|
||||
// 单例cache
|
||||
+ (instancetype)cache;
|
||||
|
||||
// 清除cache
|
||||
- (void)clearCache;
|
||||
|
||||
// 是否在本地找到图片,是否需要缩略图
|
||||
- (void)imageForURL:(NSString *)imageURL needThumImage:(BOOL)needThumImage found:(void(^)(UIImage* image))found notFound:(void(^)(void))notFound;
|
||||
|
||||
// 是否在本地找到图片
|
||||
- (void) imageForURL:(NSString *)imageURL found:(void(^)(UIImage* image))found notFound:(void(^)(void))notFound;
|
||||
|
||||
// 图片是否缓存
|
||||
- (BOOL)imageIsCacheForURL:(NSString *)imageURL;
|
||||
|
||||
// 同步下载保存image
|
||||
- (BOOL)saveImageFromURL:(NSString *)imageName thumbImageSize:(CGSize)thumbImageSize;
|
||||
|
||||
// 保存图片
|
||||
- (BOOL)saveImageFromURL:(NSString *)imageName data:(NSData *)imageData;
|
||||
|
||||
// 保存image和缩略图
|
||||
- (BOOL)saveImageFromURL:(NSString *)imageName thumbImageSize:(CGSize)thumbImageSize data:(NSData *)imageData;
|
||||
|
||||
// 异步下载保存image
|
||||
- (void)saveAsyncImageFromURL:(NSString *)imageURL thumbImageSize:(CGSize)thumbImageSize completion:(void(^)(BOOL isCache))completionBlock;
|
||||
|
||||
// 异步下载保存image数组
|
||||
- (void)saveAsyncImagesFromURLArray:(NSArray *)imageURLArray thumbImageSize:(CGSize)thumbImageSize completion:(void(^)(BOOL isCache))completionBlock;
|
||||
|
||||
@end
|
||||
@@ -0,0 +1,295 @@
|
||||
//
|
||||
// DBImageViewCache.m
|
||||
// DBImageView
|
||||
//
|
||||
// Created by iBo on 25/08/14.
|
||||
// Copyright (c) 2014 Daniele Bogo. All rights reserved.
|
||||
//
|
||||
|
||||
#import "TYImageCache.h"
|
||||
#import <CommonCrypto/CommonDigest.h>
|
||||
|
||||
@interface TYImageCache (){
|
||||
NSFileManager *_fileManager;
|
||||
}
|
||||
|
||||
@end
|
||||
|
||||
@implementation TYImageCache
|
||||
|
||||
static TYImageCache *_instance;
|
||||
|
||||
+ (id)allocWithZone:(NSZone *)zone
|
||||
{
|
||||
static dispatch_once_t onceToken;
|
||||
dispatch_once(&onceToken, ^{
|
||||
_instance = [super allocWithZone:zone];
|
||||
});
|
||||
return _instance;
|
||||
}
|
||||
|
||||
+ (instancetype)cache
|
||||
{
|
||||
static dispatch_once_t onceToken;
|
||||
dispatch_once(&onceToken, ^{
|
||||
_instance = [[self alloc] init];
|
||||
});
|
||||
return _instance;
|
||||
}
|
||||
|
||||
#pragma mark - md5加密
|
||||
+ (NSString *) md5:(NSString *)str
|
||||
{
|
||||
const char *cStr = [str UTF8String];
|
||||
if (cStr == NULL) {
|
||||
cStr = "";
|
||||
}
|
||||
unsigned char result[CC_MD5_DIGEST_LENGTH];
|
||||
CC_MD5( cStr, (CC_LONG)strlen(cStr), result );
|
||||
return [NSString stringWithFormat:
|
||||
@"%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X",
|
||||
result[0], result[1], result[2], result[3],
|
||||
result[4], result[5], result[6], result[7],
|
||||
result[8], result[9], result[10], result[11],
|
||||
result[12], result[13], result[14], result[15]
|
||||
];
|
||||
}
|
||||
|
||||
- (id) init
|
||||
{
|
||||
self= [super init];
|
||||
|
||||
if ( self ) {
|
||||
_fileManager = [NSFileManager new];
|
||||
[self createLocalDirectory];
|
||||
}
|
||||
|
||||
return self;
|
||||
}
|
||||
|
||||
#pragma mark - 创建缓存图片文件目录
|
||||
- (void) createLocalDirectory
|
||||
{
|
||||
if ( ![_fileManager fileExistsAtPath:self.localDirectory] ) {
|
||||
NSError *error;
|
||||
|
||||
if ( ![[NSFileManager defaultManager] createDirectoryAtPath:self.localDirectory withIntermediateDirectories:YES attributes:nil error:&error] ) {
|
||||
NSLog(@"[%@] ERROR: attempting to write create MyFolder directory", [self class]);
|
||||
NSAssert( FALSE, @"Failed to create directory maybe out of disk space?");
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
#pragma mark - 存放image的文件夹路径
|
||||
- (NSString *) localDirectory
|
||||
{
|
||||
if (_localDirectory == nil) {
|
||||
_localDirectory = [NSString stringWithFormat:@"%@/ImageCache", NSSearchPathForDirectoriesInDomains(NSCachesDirectory, NSUserDomainMask, YES)[0]];
|
||||
}
|
||||
|
||||
return _localDirectory;
|
||||
}
|
||||
|
||||
#pragma mark - image名字MD5加密后的路径
|
||||
- (NSString *) pathOnDiskForName:(NSString *)imageName
|
||||
{
|
||||
return [self.localDirectory stringByAppendingPathComponent:[TYImageCache md5:imageName]];
|
||||
}
|
||||
|
||||
#pragma mark - 保存image和缩略图
|
||||
- (BOOL) saveImageFromURL:(NSString *)imageName thumbImageSize:(CGSize)thumbImageSize data:(NSData *)imageData
|
||||
{
|
||||
// 转换gif 到 image
|
||||
UIImage *image = [UIImage imageWithData:imageData];
|
||||
BOOL succeed = [self saveImageFromName:imageName image:image];
|
||||
|
||||
if (!CGSizeEqualToSize(thumbImageSize,CGSizeZero)) {
|
||||
// 保存thumbImage
|
||||
image = [self scaleImage:image ToSize:thumbImageSize];
|
||||
succeed = [self saveImageFromName:[NSString stringWithFormat:@"Thumb%@",imageName] image:image];
|
||||
}
|
||||
return succeed;
|
||||
}
|
||||
|
||||
- (BOOL)saveImageFromURL:(NSString *)imageName data:(NSData *)imageData
|
||||
{
|
||||
return [self saveImageFromURL:imageName thumbImageSize:CGSizeZero data:imageData];
|
||||
}
|
||||
|
||||
#pragma mark - 保存image根据UImage
|
||||
- (BOOL)saveImageFromName:(NSString *)imageName image:(UIImage *)image
|
||||
{
|
||||
if (!image) {
|
||||
return NO;
|
||||
}
|
||||
if ([[imageName lowercaseString] hasSuffix:@".png"] || [[imageName lowercaseString] hasSuffix:@".bmp"]) {
|
||||
// png图片
|
||||
[UIImagePNGRepresentation(image) writeToFile:[self pathOnDiskForName:imageName] options:NSAtomicWrite error:nil];
|
||||
return YES;
|
||||
} else if ([[imageName lowercaseString] hasSuffix:@".jpg"] || [[imageName lowercaseString] hasSuffix:@".jpeg"] || [[imageName lowercaseString] hasSuffix:@".gif"])
|
||||
{
|
||||
//jpg图片
|
||||
[UIImageJPEGRepresentation(image, 1.0) writeToFile:[self pathOnDiskForName:imageName] options:NSAtomicWrite error:nil];
|
||||
return YES;
|
||||
} else {
|
||||
// 未知图片类型
|
||||
NSLog(@"文件后缀名未知! CTImageCache ");
|
||||
return NO;
|
||||
}
|
||||
}
|
||||
|
||||
#pragma mark - 从网络下载缓存image
|
||||
// 同步下载保存image
|
||||
- (BOOL)saveImageFromURL:(NSString *)imageName thumbImageSize:(CGSize)thumbImageSize
|
||||
{
|
||||
// 从网络上加载图片
|
||||
NSData * data = [NSData dataWithContentsOfURL:[NSURL URLWithString:imageName]];
|
||||
if (!data) {
|
||||
return NO;
|
||||
}
|
||||
// 缓存图片
|
||||
return [self saveImageFromURL:imageName thumbImageSize:thumbImageSize data:data];
|
||||
}
|
||||
|
||||
// 异步下载保存image
|
||||
- (void)saveAsyncImageFromURL:(NSString *)imageURL thumbImageSize:(CGSize)thumbImageSize completion:(void(^)(BOOL isCache))completionBlock
|
||||
{
|
||||
dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^{
|
||||
// 异步操作
|
||||
// 从网络上 缓存图片
|
||||
BOOL isCached = [self saveImageFromURL:imageURL thumbImageSize:thumbImageSize];
|
||||
|
||||
if (!completionBlock) {
|
||||
return ;
|
||||
}
|
||||
dispatch_async(dispatch_get_main_queue(), ^{
|
||||
// 主线程更新
|
||||
completionBlock(isCached);
|
||||
|
||||
});
|
||||
});
|
||||
}
|
||||
|
||||
- (void)saveAsyncImagesFromURLArray:(NSArray *)imageURLArray thumbImageSize:(CGSize)thumbImageSize completion:(void (^)(BOOL))completionBlock
|
||||
{
|
||||
dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^{
|
||||
// 异步操作
|
||||
// 从网络上 缓存图片
|
||||
__block BOOL isCached = NO;
|
||||
[imageURLArray enumerateObjectsUsingBlock:^(NSString *imageURL, NSUInteger idx, BOOL *stop) {
|
||||
isCached = [self saveImageFromURL:imageURL thumbImageSize:thumbImageSize];
|
||||
}];
|
||||
|
||||
if (!completionBlock) {
|
||||
return ;
|
||||
}
|
||||
dispatch_async(dispatch_get_main_queue(), ^{
|
||||
// 主线程更新
|
||||
completionBlock(isCached);
|
||||
|
||||
});
|
||||
});
|
||||
|
||||
}
|
||||
|
||||
// 同步获取image
|
||||
- (UIImage *)imageForURL:(NSString *)imageURL
|
||||
{
|
||||
NSString *path = [self pathOnDiskForName:imageURL];
|
||||
return [[UIImage alloc] initWithContentsOfFile:path];
|
||||
}
|
||||
|
||||
#pragma mark - image是否存在
|
||||
- (void) imageForURL:(NSString *)imageURL found:(void(^)(UIImage* image))found notFound:(void(^)(void))notFound
|
||||
{
|
||||
[self imageForURL:imageURL needThumImage:NO found:found notFound:notFound];
|
||||
}
|
||||
|
||||
#pragma mark - image是否存在,是否需要缩略图,如果知道返回缩略图 否则返回原图
|
||||
- (void) imageForURL:(NSString *)imageURL needThumImage:(BOOL)needThumImage found:(void(^)(UIImage* image))found notFound:(void(^)(void))notFound
|
||||
{
|
||||
if ( !imageURL ) {
|
||||
return;
|
||||
}
|
||||
|
||||
NSString *imageName = imageURL;
|
||||
if (needThumImage ) {
|
||||
imageName = [NSString stringWithFormat:@"Thumb%@",imageURL];
|
||||
}
|
||||
|
||||
// 图片路径
|
||||
UIImage* image = [self imageForURL:imageName];
|
||||
|
||||
if (!image && needThumImage) {
|
||||
image = [self imageForURL:imageURL];
|
||||
}
|
||||
|
||||
if (image) {
|
||||
found(image);
|
||||
}else {
|
||||
notFound();
|
||||
}
|
||||
}
|
||||
|
||||
#pragma mark - 是否缓存图片
|
||||
- (BOOL) imageIsCacheForURL:(NSString *)imageURL {
|
||||
|
||||
return [_fileManager fileExistsAtPath:[self pathOnDiskForName:imageURL]];
|
||||
}
|
||||
|
||||
#pragma mark - 清除内存
|
||||
- (void) clearCache
|
||||
{
|
||||
NSError *error;
|
||||
|
||||
[_fileManager removeItemAtPath:self.localDirectory error:&error];
|
||||
|
||||
if ( ![_fileManager createDirectoryAtPath:self.localDirectory withIntermediateDirectories:NO attributes:nil error:&error] )
|
||||
return;
|
||||
}
|
||||
|
||||
#pragma mark - scale image
|
||||
|
||||
// 返回适应到targetSize的合适图片image
|
||||
- (UIImage *)scaleImage:(UIImage *)sourceImage ToSize:(CGSize)targetSize
|
||||
{
|
||||
CGFloat width = sourceImage.size.width;
|
||||
CGFloat height = sourceImage.size.height;
|
||||
CGFloat targetWidth = targetSize.width;
|
||||
CGFloat targetHeight = targetSize.height;
|
||||
CGFloat scaleFactor = 0.0;
|
||||
CGFloat scaledWidth = targetWidth;
|
||||
CGFloat scaledHeight = targetHeight;
|
||||
CGPoint thumbnailPoint = CGPointMake(0.0,0.0);
|
||||
if (CGSizeEqualToSize(sourceImage.size, targetSize) == NO) {
|
||||
CGFloat widthFactor = targetWidth / width;
|
||||
CGFloat heightFactor = targetHeight / height;
|
||||
if (widthFactor < heightFactor)
|
||||
scaleFactor = widthFactor;
|
||||
else
|
||||
scaleFactor = heightFactor;
|
||||
scaledWidth = width * scaleFactor;
|
||||
scaledHeight = height * scaleFactor;
|
||||
// center the image
|
||||
if (widthFactor < heightFactor) {
|
||||
|
||||
thumbnailPoint.y = (targetHeight - scaledHeight) * 0.5;
|
||||
} else if (widthFactor > heightFactor) {
|
||||
thumbnailPoint.x = (targetWidth - scaledWidth) * 0.5;
|
||||
}
|
||||
}
|
||||
// this is actually the interesting part:
|
||||
UIGraphicsBeginImageContext(targetSize);
|
||||
CGRect thumbnailRect = CGRectZero;
|
||||
thumbnailRect.origin = thumbnailPoint;
|
||||
thumbnailRect.size.width = scaledWidth;
|
||||
thumbnailRect.size.height = scaledHeight;
|
||||
[sourceImage drawInRect:thumbnailRect];
|
||||
UIImage *newImage = UIGraphicsGetImageFromCurrentImageContext();
|
||||
UIGraphicsEndImageContext();
|
||||
if(newImage == nil)
|
||||
NSLog(@"could not scale image");
|
||||
return newImage ;
|
||||
}
|
||||
|
||||
@end
|
||||
@@ -0,0 +1,31 @@
|
||||
//
|
||||
// TYDrawImageStorage.h
|
||||
// TYAttributedLabelDemo
|
||||
//
|
||||
// Created by tanyang on 15/4/8.
|
||||
// Copyright (c) 2015年 tanyang. All rights reserved.
|
||||
//
|
||||
|
||||
#import "TYDrawStorage.h"
|
||||
|
||||
typedef enum : NSUInteger {
|
||||
TYImageAlignmentCenter, // 图片居中
|
||||
TYImageAlignmentLeft, // 图片左对齐
|
||||
TYImageAlignmentRight, // 图片右对齐
|
||||
TYImageAlignmentFill // 图片拉伸填充
|
||||
} TYImageAlignment;
|
||||
|
||||
@interface TYImageStorage : TYDrawStorage<TYViewStorageProtocol>
|
||||
|
||||
@property (nonatomic, strong) UIImage *image;
|
||||
|
||||
@property (nonatomic, strong) NSString *imageName;
|
||||
|
||||
@property (nonatomic, strong) NSURL *imageURL;
|
||||
|
||||
@property (nonatomic, strong) NSString *placeholdImageName;
|
||||
|
||||
@property (nonatomic, assign) TYImageAlignment imageAlignment; // default center
|
||||
|
||||
@property (nonatomic, assign) BOOL cacheImageOnMemory; // default NO ,if YES can improve performance，but increase memory
|
||||
@end
|
||||
@@ -0,0 +1,120 @@
|
||||
//
|
||||
// TYDrawImageStorage.m
|
||||
// TYAttributedLabelDemo
|
||||
//
|
||||
// Created by tanyang on 15/4/8.
|
||||
// Copyright (c) 2015年 tanyang. All rights reserved.
|
||||
//
|
||||
|
||||
#import "TYImageStorage.h"
|
||||
#import "TYImageCache.h"
|
||||
|
||||
@interface TYImageStorage ()
|
||||
@property (nonatomic, weak) UIView *ownerView;
|
||||
@property (nonatomic, assign) BOOL isNeedUpdateFrame;
|
||||
@end
|
||||
|
||||
@implementation TYImageStorage
|
||||
|
||||
- (instancetype)init
|
||||
{
|
||||
if (self = [super init]) {
|
||||
_cacheImageOnMemory = NO;
|
||||
}
|
||||
return self;
|
||||
}
|
||||
|
||||
#pragma mark - protocol
|
||||
|
||||
- (void)setOwnerView:(UIView *)ownerView
|
||||
{
|
||||
_ownerView = ownerView;
|
||||
|
||||
if (!ownerView || !_imageURL) {
|
||||
return;
|
||||
}
|
||||
|
||||
if ([_imageURL isKindOfClass:[NSURL class]]
|
||||
&& ![[TYImageCache cache] imageIsCacheForURL:_imageURL.absoluteString]) {
|
||||
|
||||
[[TYImageCache cache]saveAsyncImageFromURL:_imageURL.absoluteString thumbImageSize:self.size completion:^(BOOL isCache) {
|
||||
|
||||
if (self.isNeedUpdateFrame) {
|
||||
if (ownerView && isCache) {
|
||||
[ownerView setNeedsDisplay];
|
||||
}
|
||||
self.isNeedUpdateFrame = NO;
|
||||
}
|
||||
}];
|
||||
}
|
||||
}
|
||||
|
||||
- (void)drawStorageWithRect:(CGRect)rect
|
||||
{
|
||||
__block UIImage *image = nil;
|
||||
if (_image) {
|
||||
// 本地图片名
|
||||
image = _image;
|
||||
}else if (_imageName){
|
||||
// 图片网址
|
||||
image = [UIImage imageNamed:_imageName];
|
||||
if (_cacheImageOnMemory) {
|
||||
_image = image;
|
||||
}
|
||||
} else if (_imageURL){
|
||||
// 图片数据
|
||||
[[TYImageCache cache] imageForURL:_imageURL.absoluteString needThumImage:NO found:^(UIImage *loaceImage) {
|
||||
image = loaceImage;
|
||||
if (self.cacheImageOnMemory) {
|
||||
self.image = image;
|
||||
}
|
||||
} notFound:^{
|
||||
image = self.placeholdImageName ? [UIImage imageNamed:self.placeholdImageName] : nil;
|
||||
self.isNeedUpdateFrame = YES;
|
||||
}];
|
||||
}
|
||||
|
||||
if (image) {
|
||||
CGRect fitRect = [self rectFitOriginSize:image.size byRect:rect];
|
||||
CGContextRef context = UIGraphicsGetCurrentContext();
|
||||
CGContextDrawImage(context, fitRect, image.CGImage);
|
||||
}
|
||||
}
|
||||
|
||||
- (CGRect)rectFitOriginSize:(CGSize)size byRect:(CGRect)byRect{
|
||||
if (_imageAlignment == TYImageAlignmentFill) {
|
||||
return byRect;
|
||||
}
|
||||
CGRect scaleRect = byRect;
|
||||
CGFloat targetWidth = byRect.size.width;
|
||||
CGFloat targetHeight = byRect.size.height;
|
||||
CGFloat widthFactor = targetWidth / size.width;
|
||||
CGFloat heightFactor = targetHeight / size.height;
|
||||
CGFloat scaleFactor = MIN(widthFactor, heightFactor);
|
||||
CGFloat scaledWidth = size.width * scaleFactor;
|
||||
CGFloat scaledHeight = size.height * scaleFactor;
|
||||
scaleRect.size = CGSizeMake(scaledWidth, scaledHeight);
|
||||
// center the image
|
||||
if (widthFactor < heightFactor) {
|
||||
scaleRect.origin.y += (targetHeight - scaledHeight) * 0.5;
|
||||
} else if (widthFactor > heightFactor) {
|
||||
switch (_imageAlignment) {
|
||||
case TYImageAlignmentCenter:
|
||||
scaleRect.origin.x += (targetWidth - scaledWidth) * 0.5;
|
||||
break;
|
||||
case TYImageAlignmentRight:
|
||||
scaleRect.origin.x += (targetWidth - scaledWidth);
|
||||
default:
|
||||
break;
|
||||
}
|
||||
}
|
||||
return scaleRect;
|
||||
}
|
||||
|
||||
// override
|
||||
- (void)didNotDrawRun
|
||||
{
|
||||
|
||||
}
|
||||
|
||||
@end
|
||||
@@ -0,0 +1,20 @@
|
||||
//
|
||||
// TYLinkTextStorage.h
|
||||
// TYAttributedLabelDemo
|
||||
//
|
||||
// Created by tanyang on 15/4/8.
|
||||
// Copyright (c) 2015年 tanyang. All rights reserved.
|
||||
//
|
||||
|
||||
#import "TYTextStorage.h"
|
||||
|
||||
@interface TYLinkTextStorage : TYTextStorage<TYLinkStorageProtocol>
|
||||
|
||||
// textColor 链接颜色 如未设置就是TYAttributedLabel的linkColor
|
||||
// TYAttributedLabel的 highlightedLinkBackgroundColor 高亮背景颜色
|
||||
// underLineStyle 下划线样式（无，单 双） 默认单
|
||||
// modifier 下划线样式 （点 线）默认线
|
||||
|
||||
@property (nonatomic, strong) id linkData; // 链接携带的数据
|
||||
|
||||
@end
|
||||
@@ -0,0 +1,32 @@
|
||||
//
|
||||
// TYLinkTextStorage.m
|
||||
// TYAttributedLabelDemo
|
||||
//
|
||||
// Created by tanyang on 15/4/8.
|
||||
// Copyright (c) 2015年 tanyang. All rights reserved.
|
||||
//
|
||||
|
||||
#import "TYLinkTextStorage.h"
|
||||
|
||||
@implementation TYLinkTextStorage
|
||||
|
||||
- (instancetype)init
|
||||
{
|
||||
if (self = [super init]) {
|
||||
self.underLineStyle = kCTUnderlineStyleSingle;
|
||||
self.modifier = kCTUnderlinePatternSolid;
|
||||
}
|
||||
return self;
|
||||
}
|
||||
|
||||
#pragma mark - protocol
|
||||
|
||||
- (void)addTextStorageWithAttributedString:(NSMutableAttributedString *)attributedString
|
||||
{
|
||||
[super addTextStorageWithAttributedString:attributedString];
|
||||
[attributedString addAttribute:kTYTextRunAttributedName value:self range:self.range];
|
||||
self.text = [attributedString.string substringWithRange:self.range];
|
||||
|
||||
}
|
||||
|
||||
@end
|
||||
+197
@@ -0,0 +1,197 @@
|
||||
//
|
||||
// TYTextContainer+Extended.m
|
||||
// TYAttributedLabelDemo
|
||||
//
|
||||
// Created by tanyang on 15/6/7.
|
||||
// Copyright (c) 2015年 tanyang. All rights reserved.
|
||||
//
|
||||
|
||||
#import "TYTextContainer.h"
|
||||
|
||||
@implementation TYTextContainer (Link)
|
||||
|
||||
#pragma mark - addLink
|
||||
- (void)addLinkWithLinkData:(id)linkData range:(NSRange)range
|
||||
{
|
||||
[self addLinkWithLinkData:linkData linkColor:nil range:range];
|
||||
}
|
||||
|
||||
- (void)addLinkWithLinkData:(id)linkData linkColor:(UIColor *)linkColor range:(NSRange )range;
|
||||
{
|
||||
[self addLinkWithLinkData:linkData linkColor:linkColor underLineStyle:kCTUnderlineStyleSingle range:range];
|
||||
}
|
||||
|
||||
- (void)addLinkWithLinkData:(id)linkData linkColor:(UIColor *)linkColor underLineStyle:(CTUnderlineStyle)underLineStyle range:(NSRange )range
|
||||
{
|
||||
TYLinkTextStorage *linkTextStorage = [[TYLinkTextStorage alloc] init];
|
||||
linkTextStorage.range = range;
|
||||
linkTextStorage.textColor = linkColor;
|
||||
linkTextStorage.linkData = linkData;
|
||||
linkTextStorage.underLineStyle = underLineStyle;
|
||||
[self addTextStorage:linkTextStorage];
|
||||
}
|
||||
|
||||
#pragma mark - appendLink
|
||||
- (void)appendLinkWithText:(NSString *)linkText linkFont:(UIFont *)linkFont linkData:(id)linkData
|
||||
{
|
||||
[self appendLinkWithText:linkText linkFont:linkFont linkColor:nil linkData:linkData];
|
||||
}
|
||||
|
||||
- (void)appendLinkWithText:(NSString *)linkText linkFont:(UIFont *)linkFont linkColor:(UIColor *)linkColor linkData:(id)linkData
|
||||
{
|
||||
[self appendLinkWithText:linkText linkFont:linkFont linkColor:linkColor underLineStyle:kCTUnderlineStyleSingle linkData:linkData];
|
||||
}
|
||||
|
||||
- (void)appendLinkWithText:(NSString *)linkText linkFont:(UIFont *)linkFont linkColor:(UIColor *)linkColor underLineStyle:(CTUnderlineStyle)underLineStyle linkData:(id)linkData
|
||||
{
|
||||
TYLinkTextStorage *linkTextStorage = [[TYLinkTextStorage alloc] init];
|
||||
linkTextStorage.text = linkText;
|
||||
linkTextStorage.font = linkFont;
|
||||
linkTextStorage.textColor = linkColor;
|
||||
linkTextStorage.linkData = linkData;
|
||||
linkTextStorage.underLineStyle = underLineStyle;
|
||||
[self appendTextStorage:linkTextStorage];
|
||||
}
|
||||
|
||||
@end
|
||||
|
||||
@implementation TYTextContainer (UIImage)
|
||||
|
||||
#pragma mark addImage
|
||||
|
||||
- (void)addImageContent:(id)imageContent range:(NSRange)range size:(CGSize)size alignment:(TYDrawAlignment)alignment
|
||||
{
|
||||
TYImageStorage *imageStorage = [[TYImageStorage alloc] init];
|
||||
if ([imageContent isKindOfClass:[UIImage class]]) {
|
||||
imageStorage.image = imageContent;
|
||||
}else if ([imageContent isKindOfClass:[NSString class]]){
|
||||
imageStorage.imageName = imageContent;
|
||||
} else {
|
||||
return;
|
||||
}
|
||||
|
||||
imageStorage.drawAlignment = alignment;
|
||||
imageStorage.range = range;
|
||||
imageStorage.size = size;
|
||||
[self addTextStorage:imageStorage];
|
||||
}
|
||||
|
||||
- (void)addImage:(UIImage *)image range:(NSRange)range size:(CGSize)size alignment:(TYDrawAlignment)alignment
|
||||
{
|
||||
[self addImageContent:image range:range size:size alignment:alignment];
|
||||
}
|
||||
|
||||
- (void)addImage:(UIImage *)image range:(NSRange)range size:(CGSize)size
|
||||
{
|
||||
[self addImage:image range:range size:size alignment:TYDrawAlignmentTop];
|
||||
}
|
||||
|
||||
- (void)addImage:(UIImage *)image range:(NSRange)range
|
||||
{
|
||||
[self addImage:image range:range size:image.size];
|
||||
}
|
||||
|
||||
- (void)addImageWithName:(NSString *)imageName range:(NSRange)range size:(CGSize)size alignment:(TYDrawAlignment)alignment
|
||||
{
|
||||
[self addImageContent:imageName range:range size:size alignment:alignment];
|
||||
}
|
||||
|
||||
- (void)addImageWithName:(NSString *)imageName range:(NSRange)range size:(CGSize)size
|
||||
{
|
||||
[self addImageWithName:imageName range:range size:size alignment:TYDrawAlignmentTop];
|
||||
}
|
||||
|
||||
- (void)addImageWithName:(NSString *)imageName range:(NSRange)range
|
||||
{
|
||||
[self addImageWithName:imageName range:range size:CGSizeMake(self.font.pointSize, self.font.ascender)];
|
||||
|
||||
}
|
||||
|
||||
#pragma mark - appendImage
|
||||
|
||||
- (void)appendImageContent:(id)imageContent size:(CGSize)size alignment:(TYDrawAlignment)alignment
|
||||
{
|
||||
TYImageStorage *imageStorage = [[TYImageStorage alloc] init];
|
||||
if ([imageContent isKindOfClass:[UIImage class]]) {
|
||||
imageStorage.image = imageContent;
|
||||
}else if ([imageContent isKindOfClass:[NSString class]]){
|
||||
imageStorage.imageName = imageContent;
|
||||
} else {
|
||||
return;
|
||||
}
|
||||
|
||||
imageStorage.drawAlignment = alignment;
|
||||
imageStorage.size = size;
|
||||
[self appendTextStorage:imageStorage];
|
||||
}
|
||||
|
||||
- (void)appendImage:(UIImage *)image size:(CGSize)size alignment:(TYDrawAlignment)alignment
|
||||
{
|
||||
[self appendImageContent:image size:size alignment:alignment];
|
||||
}
|
||||
|
||||
- (void)appendImage:(UIImage *)image size:(CGSize)size
|
||||
{
|
||||
[self appendImage:image size:size alignment:TYDrawAlignmentTop];
|
||||
}
|
||||
|
||||
- (void)appendImage:(UIImage *)image
|
||||
{
|
||||
[self appendImage:image size:image.size];
|
||||
}
|
||||
|
||||
- (void)appendImageWithName:(NSString *)imageName size:(CGSize)size alignment:(TYDrawAlignment)alignment
|
||||
{
|
||||
[self appendImageContent:imageName size:size alignment:alignment];
|
||||
}
|
||||
|
||||
- (void)appendImageWithName:(NSString *)imageName size:(CGSize)size
|
||||
{
|
||||
[self appendImageWithName:imageName size:size alignment:TYDrawAlignmentTop];
|
||||
}
|
||||
|
||||
- (void)appendImageWithName:(NSString *)imageName
|
||||
{
|
||||
[self appendImageWithName:imageName size:CGSizeMake(self.font.pointSize, self.font.ascender)];
|
||||
|
||||
}
|
||||
|
||||
@end
|
||||
|
||||
@implementation TYTextContainer (UIView)
|
||||
|
||||
#pragma mark - addView
|
||||
|
||||
- (void)addView:(UIView *)view range:(NSRange)range alignment:(TYDrawAlignment)alignment
|
||||
{
|
||||
TYViewStorage *viewStorage = [[TYViewStorage alloc] init];
|
||||
viewStorage.drawAlignment = alignment;
|
||||
viewStorage.view = view;
|
||||
viewStorage.range = range;
|
||||
|
||||
[self addTextStorage:viewStorage];
|
||||
}
|
||||
|
||||
- (void)addView:(UIView *)view range:(NSRange)range
|
||||
{
|
||||
[self addView:view range:range alignment:TYDrawAlignmentTop];
|
||||
}
|
||||
|
||||
#pragma mark - appendView
|
||||
|
||||
- (void)appendView:(UIView *)view alignment:(TYDrawAlignment)alignment
|
||||
{
|
||||
TYViewStorage *viewStorage = [[TYViewStorage alloc] init];
|
||||
viewStorage.drawAlignment = alignment;
|
||||
viewStorage.view = view;
|
||||
|
||||
[self appendTextStorage:viewStorage];
|
||||
}
|
||||
|
||||
- (void)appendView:(UIView *)view
|
||||
{
|
||||
[self appendView:view alignment:TYDrawAlignmentTop];
|
||||
}
|
||||
|
||||
|
||||
@end
|
||||
@@ -0,0 +1,297 @@
|
||||
//
|
||||
// TYTextContainer.h
|
||||
// TYAttributedLabelDemo
|
||||
//
|
||||
// Created by tanyang on 15/6/4.
|
||||
// Copyright (c) 2015年 tanyang. All rights reserved.
|
||||
//
|
||||
|
||||
#import <UIKit/UIKit.h>
|
||||
#import "TYTextStorageProtocol.h"
|
||||
#import "NSMutableAttributedString+TY.h"
|
||||
#import "TYTextStorage.h"
|
||||
#import "TYLinkTextStorage.h"
|
||||
#import "TYDrawStorage.h"
|
||||
#import "TYImageStorage.h"
|
||||
#import "TYViewStorage.h"
|
||||
|
||||
@interface TYTextContainer : NSObject
|
||||
|
||||
@property (nonatomic, strong) NSString *text;
|
||||
@property (nonatomic, strong) NSAttributedString *attributedText;
|
||||
|
||||
@property (nonatomic, assign) NSInteger numberOfLines; //行数
|
||||
@property (nonatomic, strong) UIColor *textColor; // 文字颜色
|
||||
@property (nonatomic, strong) UIColor *linkColor; //链接颜色
|
||||
@property (nonatomic, strong) UIFont *font; // 文字大小
|
||||
|
||||
@property (nonatomic, assign) unichar strokeWidth; // 空心字边框宽
|
||||
@property (nonatomic, strong) UIColor *strokeColor; // 空心字边框颜色
|
||||
|
||||
@property (nonatomic, assign) unichar characterSpacing; // 字距
|
||||
@property (nonatomic, assign) CGFloat linesSpacing; // 行距
|
||||
@property (nonatomic, assign) CGFloat paragraphSpacing; // 段落间距
|
||||
|
||||
@property (nonatomic, assign) CTTextAlignment textAlignment; // 文本对齐方式 kCTTextAlignmentLeft
|
||||
@property (nonatomic, assign) CTLineBreakMode lineBreakMode; // 换行模式 kCTLineBreakByCharWrapping
|
||||
|
||||
@property (nonatomic, assign) BOOL isWidthToFit; // 宽度自适应
|
||||
|
||||
// after createTextContainer, have value
|
||||
@property (nonatomic, assign, readonly) CGFloat textHeight;
|
||||
@property (nonatomic, assign, readonly) CGFloat textWidth;
|
||||
// after createTextContainer, have value
|
||||
@property (nonatomic, strong, readonly) NSArray *textStorages;
|
||||
|
||||
/**
|
||||
* 生成文本容器textContainer
|
||||
*/
|
||||
- (instancetype)createTextContainerWithTextWidth:(CGFloat)textWidth;
|
||||
|
||||
- (instancetype)createTextContainerWithContentSize:(CGSize)contentSize;
|
||||
|
||||
/**
|
||||
* 生成属性字符串
|
||||
*/
|
||||
- (NSAttributedString *)createAttributedString;
|
||||
|
||||
/**
|
||||
* 获取文本的size
|
||||
*/
|
||||
- (CGSize)getSuggestedSizeWithFramesetter:(CTFramesetterRef)framesetter width:(CGFloat)width;
|
||||
|
||||
/**
|
||||
* 获取文本高度
|
||||
*/
|
||||
- (CGFloat)getHeightWithFramesetter:(CTFramesetterRef)framesetter width:(CGFloat)width;
|
||||
|
||||
@end
|
||||
|
||||
@interface TYTextContainer (Add)
|
||||
/**
|
||||
* 添加 textStorage （自定义显示内容）
|
||||
*
|
||||
* @param textStorage 自定义
|
||||
*/
|
||||
- (void)addTextStorage:(id<TYTextStorageProtocol>)textStorage;
|
||||
|
||||
/**
|
||||
* 添加 textRun数组 （自定义显示内容）
|
||||
*
|
||||
*/
|
||||
- (void)addTextStorageArray:(NSArray *)textStorageArray;
|
||||
|
||||
@end
|
||||
|
||||
#pragma mark - append
|
||||
@interface TYTextContainer (Append)
|
||||
|
||||
/**
|
||||
* 追加(添加到最后) 普通文本
|
||||
*
|
||||
* @param text 普通文本
|
||||
*/
|
||||
- (void)appendText:(NSString *)text;
|
||||
|
||||
/**
|
||||
* 追加(添加到最后) 属性文本
|
||||
*
|
||||
* @param attributedText 属性文本
|
||||
*/
|
||||
- (void)appendTextAttributedString: (NSAttributedString *)attributedText;
|
||||
|
||||
/**
|
||||
* 追加(添加到最后) textStorage （自定义显示内容）
|
||||
*
|
||||
* @param textStorage 自定义Storage（自定义显示内容）
|
||||
*/
|
||||
- (void)appendTextStorage:(id<TYAppendTextStorageProtocol>)textStorage;
|
||||
|
||||
/**
|
||||
* 追加(添加到最后) textStorage 数组
|
||||
*
|
||||
* @param textStorageArray 自定义run数组（需遵循协议TYAppendTextStorageProtocol,否则不会添加）
|
||||
*/
|
||||
- (void)appendTextStorageArray:(NSArray *)textStorageArray;
|
||||
|
||||
@end
|
||||
|
||||
#pragma mark - Link
|
||||
@interface TYTextContainer (Link)
|
||||
|
||||
/**
|
||||
* 添加 链接LinkTextStorage
|
||||
*/
|
||||
- (void)addLinkWithLinkData:(id)linkData range:(NSRange )range;
|
||||
|
||||
/**
|
||||
* 添加 链接LinkTextStorage
|
||||
*/
|
||||
- (void)addLinkWithLinkData:(id)linkData linkColor:(UIColor *)linkColor range:(NSRange )range;
|
||||
|
||||
/**
|
||||
* 添加 链接LinkTextStorage
|
||||
*
|
||||
* @param linkData 链接携带的数据
|
||||
* @param linkColor 链接颜色
|
||||
* @param underLineStyle 下划线样式（无，单 双) 默认单
|
||||
* @param range 范围
|
||||
*/
|
||||
- (void)addLinkWithLinkData:(id)linkData linkColor:(UIColor *)linkColor underLineStyle:(CTUnderlineStyle)underLineStyle range:(NSRange )range;
|
||||
|
||||
/**
|
||||
* 追加 链接LinkTextStorage
|
||||
*/
|
||||
- (void)appendLinkWithText:(NSString *)linkText linkFont:(UIFont *)linkFont linkData:(id)linkData;
|
||||
|
||||
/**
|
||||
* 追加 链接LinkTextStorage
|
||||
*/
|
||||
- (void)appendLinkWithText:(NSString *)linkText linkFont:(UIFont *)linkFont linkColor:(UIColor *)linkColor linkData:(id)linkData;
|
||||
|
||||
/**
|
||||
* 追加 链接LinkTextStorage
|
||||
*
|
||||
* @param linkText 链接文本
|
||||
* @param linkData 链接携带的数据
|
||||
* @param underLineStyle 下划线样式（无，单 双) 默认单
|
||||
*/
|
||||
- (void)appendLinkWithText:(NSString *)linkText linkFont:(UIFont *)linkFont linkColor:(UIColor *)linkColor underLineStyle:(CTUnderlineStyle)underLineStyle linkData:(id)linkData;
|
||||
|
||||
@end
|
||||
|
||||
#pragma mark - 扩展支持UIImage
|
||||
@interface TYTextContainer (UIImage)
|
||||
|
||||
#pragma mark - addImageStorage
|
||||
|
||||
/**
|
||||
* 添加 imageStorage image数据
|
||||
*/
|
||||
- (void)addImage:(UIImage *)image range:(NSRange)range;
|
||||
|
||||
/**
|
||||
* 添加 imageStorage image数据
|
||||
*/
|
||||
- (void)addImage:(UIImage *)image range:(NSRange)range size:(CGSize)size;
|
||||
|
||||
/**
|
||||
* 添加 imageStorage image数据
|
||||
*
|
||||
* @param image image
|
||||
* @param range 所在文本位置
|
||||
* @param size 图片大小
|
||||
* @param alignment 图片对齐方式
|
||||
*/
|
||||
- (void)addImage:(UIImage *)image range:(NSRange)range
|
||||
size:(CGSize)size
|
||||
alignment: (TYDrawAlignment)alignment;
|
||||
|
||||
/**
|
||||
* 添加 imageStorage image数据
|
||||
*/
|
||||
- (void)addImageWithName:(NSString *)imageName range:(NSRange)range;
|
||||
|
||||
/**
|
||||
* 添加 imageStorage image数据
|
||||
*/
|
||||
- (void)addImageWithName:(NSString *)imageName
|
||||
range:(NSRange)range
|
||||
size:(CGSize)size;
|
||||
|
||||
/**
|
||||
* 添加 imageStorage image数据
|
||||
*
|
||||
* @param imageName image名
|
||||
* @param range 所在文本位置
|
||||
* @param size 图片大小
|
||||
* @param alignment 图片对齐方式
|
||||
*/
|
||||
- (void)addImageWithName:(NSString *)imageName
|
||||
range:(NSRange)range
|
||||
size:(CGSize)size
|
||||
alignment:(TYDrawAlignment)alignment;
|
||||
|
||||
#pragma mark - appendImageStorage
|
||||
|
||||
/**
|
||||
* 追加 imageStorage image数据
|
||||
*/
|
||||
- (void)appendImage:(UIImage *)image;
|
||||
|
||||
/**
|
||||
* 追加 imageStorage image数据
|
||||
*/
|
||||
- (void)appendImage:(UIImage *)image
|
||||
size:(CGSize)size;
|
||||
|
||||
/**
|
||||
* 追加 imageStorage image数据
|
||||
*
|
||||
* @param image image
|
||||
* @param size 图片大小
|
||||
* @param alignment 图片对齐
|
||||
*/
|
||||
- (void)appendImage:(UIImage *)image
|
||||
size:(CGSize)size
|
||||
alignment:(TYDrawAlignment)alignment;
|
||||
|
||||
/**
|
||||
* 追加 imageStorage image数据
|
||||
*/
|
||||
- (void)appendImageWithName:(NSString *)imageName;
|
||||
|
||||
/**
|
||||
* 追加 imageStorage image数据
|
||||
*/
|
||||
- (void)appendImageWithName:(NSString *)imageName size:(CGSize)size;
|
||||
|
||||
/**
|
||||
* 追加 imageStorage image数据
|
||||
*
|
||||
* @param imageName imageName
|
||||
* @param size 图片大小
|
||||
* @param alignment 图片对齐
|
||||
*/
|
||||
- (void)appendImageWithName:(NSString *)imageName
|
||||
size:(CGSize)size
|
||||
alignment:(TYDrawAlignment)alignment;
|
||||
|
||||
|
||||
@end
|
||||
|
||||
#pragma mark - 扩展支持UIView
|
||||
@interface TYTextContainer (UIView)
|
||||
|
||||
/**
|
||||
* 添加 viewStorage (添加 UI控件 需要设置frame)
|
||||
*/
|
||||
- (void)addView:(UIView *)view range:(NSRange)range;
|
||||
|
||||
/**
|
||||
* 添加 viewStorage (添加 UI控件 需要设置frame)
|
||||
*
|
||||
* @param view UIView (UI控件)
|
||||
* @param range 所在文本位置
|
||||
* @param alignment view对齐方式
|
||||
*/
|
||||
- (void)addView:(UIView *)view
|
||||
range:(NSRange)range
|
||||
alignment:(TYDrawAlignment)alignment;
|
||||
|
||||
/**
|
||||
* 追加 viewStorage (添加 UI控件 需要设置frame)
|
||||
*/
|
||||
- (void)appendView:(UIView *)view;
|
||||
|
||||
/**
|
||||
* 追加 viewStorage (添加 UI控件 需要设置frame)
|
||||
*
|
||||
* @param view UIView (UI控件)
|
||||
* @param alignment view对齐
|
||||
*/
|
||||
- (void)appendView:(UIView *)view alignment:(TYDrawAlignment)alignment;
|
||||
|
||||
@end
|
||||
|
||||
|
||||
@@ -0,0 +1,678 @@
|
||||
//
|
||||
// TYTextContainer.m
|
||||
// TYAttributedLabelDemo
|
||||
//
|
||||
// Created by tanyang on 15/6/4.
|
||||
// Copyright (c) 2015年 tanyang. All rights reserved.
|
||||
//
|
||||
|
||||
#import "TYTextContainer.h"
|
||||
|
||||
#define kTextColor [UIColor colorWithRed:51/255.0 green:51/255.0 blue:51/255.0 alpha:1]
|
||||
#define kLinkColor [UIColor colorWithRed:0/255.0 green:91/255.0 blue:255/255.0 alpha:1]
|
||||
|
||||
// this code quote TTTAttributedLabel
|
||||
static inline CGSize CTFramesetterSuggestFrameSizeForAttributedStringWithConstraints(CTFramesetterRef framesetter, NSAttributedString *attributedString, CGSize size, NSUInteger numberOfLines) {
|
||||
CFRange rangeToSize = CFRangeMake(0, (CFIndex)[attributedString length]);
|
||||
CGSize constraints = CGSizeMake(size.width, MAXFLOAT);
|
||||
|
||||
if (numberOfLines > 0) {
|
||||
// If the line count of the label more than 1, limit the range to size to the number of lines that have been set
|
||||
CGMutablePathRef path = CGPathCreateMutable();
|
||||
CGPathAddRect(path, NULL, CGRectMake(0.0f, 0.0f, constraints.width, MAXFLOAT));
|
||||
CTFrameRef frame = CTFramesetterCreateFrame(framesetter, CFRangeMake(0, 0), path, NULL);
|
||||
CFArrayRef lines = CTFrameGetLines(frame);
|
||||
|
||||
if (CFArrayGetCount(lines) > 0) {
|
||||
NSInteger lastVisibleLineIndex = MIN((CFIndex)numberOfLines, CFArrayGetCount(lines)) - 1;
|
||||
CTLineRef lastVisibleLine = CFArrayGetValueAtIndex(lines, lastVisibleLineIndex);
|
||||
|
||||
CFRange rangeToLayout = CTLineGetStringRange(lastVisibleLine);
|
||||
rangeToSize = CFRangeMake(0, rangeToLayout.location + rangeToLayout.length);
|
||||
}
|
||||
|
||||
CFRelease(frame);
|
||||
CFRelease(path);
|
||||
}
|
||||
|
||||
CGSize suggestedSize = CTFramesetterSuggestFrameSizeWithConstraints(framesetter, rangeToSize, NULL, constraints, NULL);
|
||||
|
||||
return CGSizeMake(ceil(suggestedSize.width), ceil(suggestedSize.height));
|
||||
}
|
||||
|
||||
@interface TYTextContainer()
|
||||
@property (nonatomic, strong) NSMutableArray *textStorageArray; // run数组
|
||||
@property (nonatomic, strong) NSArray *textStorages; // run array copy
|
||||
|
||||
@property (nonatomic, strong) NSDictionary *drawRectDictionary;
|
||||
@property (nonatomic, strong) NSDictionary *runRectDictionary; // runRect字典
|
||||
@property (nonatomic, strong) NSDictionary *linkRectDictionary; // linkRect字典
|
||||
|
||||
@property (nonatomic, assign) NSInteger replaceStringNum; // 图片替换字符数
|
||||
@property (nonatomic, strong) NSMutableAttributedString *attString;
|
||||
@property (nonatomic, assign) CTFrameRef frameRef;
|
||||
@property (nonatomic, assign) CGFloat textHeight;
|
||||
@property (nonatomic, assign) CGFloat textWidth;
|
||||
|
||||
@end
|
||||
|
||||
@implementation TYTextContainer
|
||||
|
||||
- (instancetype)init
|
||||
{
|
||||
if (self = [super init]) {
|
||||
[self setupProperty];
|
||||
}
|
||||
return self;
|
||||
}
|
||||
|
||||
#pragma mark - getter
|
||||
|
||||
- (NSMutableArray *)textStorageArray
|
||||
{
|
||||
if (_textStorageArray == nil) {
|
||||
_textStorageArray = [NSMutableArray array];
|
||||
}
|
||||
return _textStorageArray;
|
||||
}
|
||||
|
||||
- (NSString *)text{
|
||||
return _attString.string;
|
||||
}
|
||||
|
||||
- (NSAttributedString *)attributedText
|
||||
{
|
||||
return [_attString copy];
|
||||
}
|
||||
|
||||
- (NSAttributedString *)createAttributedString
|
||||
{
|
||||
[self addTextStoragesWithAtrributedString:_attString];
|
||||
if (_attString == nil) {
|
||||
_attString = [[NSMutableAttributedString alloc] init];
|
||||
}
|
||||
return [_attString copy];
|
||||
}
|
||||
|
||||
#pragma mark - setter
|
||||
- (void)setupProperty
|
||||
{
|
||||
_font = [UIFont systemFontOfSize:15];
|
||||
_characterSpacing = 1;
|
||||
_linesSpacing = 2;
|
||||
_paragraphSpacing = 0;
|
||||
#if __IPHONE_OS_VERSION_MAX_ALLOWED <= 9000
|
||||
_textAlignment = kCTLeftTextAlignment;
|
||||
#else
|
||||
_textAlignment = kCTTextAlignmentLeft;
|
||||
#endif
|
||||
_lineBreakMode = kCTLineBreakByCharWrapping;
|
||||
_textColor = kTextColor;
|
||||
_linkColor = kLinkColor;
|
||||
_replaceStringNum = 0;
|
||||
}
|
||||
|
||||
- (void)resetAllAttributed
|
||||
{
|
||||
[self resetRectDictionary];
|
||||
_textStorageArray = nil;
|
||||
_textStorages = nil;
|
||||
_replaceStringNum = 0;
|
||||
}
|
||||
|
||||
- (void)resetRectDictionary
|
||||
{
|
||||
_drawRectDictionary = nil;
|
||||
_linkRectDictionary = nil;
|
||||
_runRectDictionary = nil;
|
||||
}
|
||||
|
||||
- (void)resetFrameRef
|
||||
{
|
||||
if (_frameRef) {
|
||||
CFRelease(_frameRef);
|
||||
_frameRef = nil;
|
||||
}
|
||||
_textHeight = 0;
|
||||
}
|
||||
|
||||
- (void)setText:(NSString *)text
|
||||
{
|
||||
_attString = [self createTextAttibuteStringWithText:text];
|
||||
[self resetAllAttributed];
|
||||
[self resetFrameRef];
|
||||
}
|
||||
|
||||
- (void)setAttributedText:(NSAttributedString *)attributedText
|
||||
{
|
||||
if (attributedText == nil) {
|
||||
_attString = [[NSMutableAttributedString alloc] init];
|
||||
}else if ([attributedText isKindOfClass:[NSMutableAttributedString class]]) {
|
||||
_attString = (NSMutableAttributedString *)attributedText;
|
||||
}else {
|
||||
_attString = [[NSMutableAttributedString alloc] initWithAttributedString:attributedText];
|
||||
}
|
||||
[self resetAllAttributed];
|
||||
[self resetFrameRef];
|
||||
}
|
||||
|
||||
- (void)setTextColor:(UIColor *)textColor
|
||||
{
|
||||
if (textColor && _textColor != textColor){
|
||||
_textColor = textColor;
|
||||
|
||||
[_attString addAttributeTextColor:textColor];
|
||||
[self resetFrameRef];
|
||||
}
|
||||
}
|
||||
|
||||
- (void)setFont:(UIFont *)font
|
||||
{
|
||||
if (font && _font != font){
|
||||
_font = font;
|
||||
|
||||
[_attString addAttributeFont:font];
|
||||
[self resetFrameRef];
|
||||
}
|
||||
}
|
||||
|
||||
- (void)setStrokeWidth:(unichar)strokeWidth
|
||||
{
|
||||
if (_strokeWidth != strokeWidth) {
|
||||
_strokeWidth = strokeWidth;
|
||||
[_attString addAttributeStrokeWidth:strokeWidth strokeColor:_strokeColor];
|
||||
[self resetFrameRef];
|
||||
}
|
||||
}
|
||||
|
||||
- (void)setStrokeColor:(UIColor *)strokeColor
|
||||
{
|
||||
if (strokeColor && _strokeColor != strokeColor) {
|
||||
_strokeColor = strokeColor;
|
||||
[_attString addAttributeStrokeWidth:_strokeWidth strokeColor:strokeColor];
|
||||
[self resetFrameRef];
|
||||
}
|
||||
}
|
||||
|
||||
- (void)setCharacterSpacing:(unichar)characterSpacing
|
||||
{
|
||||
if (_characterSpacing != characterSpacing) {
|
||||
_characterSpacing = characterSpacing;
|
||||
|
||||
[_attString addAttributeCharacterSpacing:characterSpacing];
|
||||
[self resetFrameRef];
|
||||
}
|
||||
}
|
||||
|
||||
- (void)setLinesSpacing:(CGFloat)linesSpacing
|
||||
{
|
||||
if (_linesSpacing != linesSpacing) {
|
||||
_linesSpacing = linesSpacing;
|
||||
|
||||
[self addAttributeAlignmentStyle:_textAlignment lineSpaceStyle:linesSpacing paragraphSpaceStyle:_paragraphSpacing lineBreakStyle:_lineBreakMode];
|
||||
[self resetFrameRef];
|
||||
}
|
||||
}
|
||||
|
||||
- (void)setParagraphSpacing:(CGFloat)paragraphSpacing
|
||||
{
|
||||
if (_paragraphSpacing != paragraphSpacing) {
|
||||
_paragraphSpacing = paragraphSpacing;
|
||||
[self addAttributeAlignmentStyle:_textAlignment lineSpaceStyle:_linesSpacing paragraphSpaceStyle:_paragraphSpacing lineBreakStyle:_lineBreakMode];
|
||||
[self resetFrameRef];
|
||||
}
|
||||
}
|
||||
|
||||
- (void)setTextAlignment:(CTTextAlignment)textAlignment
|
||||
{
|
||||
if (_textAlignment != textAlignment) {
|
||||
_textAlignment = textAlignment;
|
||||
|
||||
[self addAttributeAlignmentStyle:textAlignment lineSpaceStyle:_linesSpacing paragraphSpaceStyle:_paragraphSpacing lineBreakStyle:_lineBreakMode];
|
||||
[self resetFrameRef];
|
||||
}
|
||||
}
|
||||
|
||||
- (void)setLineBreakMode:(CTLineBreakMode)lineBreakMode
|
||||
{
|
||||
if (_lineBreakMode != lineBreakMode) {
|
||||
_lineBreakMode = lineBreakMode;
|
||||
|
||||
[self addAttributeAlignmentStyle:_textAlignment lineSpaceStyle:_linesSpacing paragraphSpaceStyle:_paragraphSpacing lineBreakStyle:_lineBreakMode];
|
||||
[self resetFrameRef];
|
||||
|
||||
}
|
||||
}
|
||||
|
||||
#pragma mark - create text attibuteString
|
||||
- (NSMutableAttributedString *)createTextAttibuteStringWithText:(NSString *)text
|
||||
{
|
||||
if (text.length <= 0) {
|
||||
return [[NSMutableAttributedString alloc] init];
|
||||
}
|
||||
// 创建属性文本
|
||||
NSMutableAttributedString *attString = [[NSMutableAttributedString alloc] initWithString:text];
|
||||
|
||||
// 添加文本颜色 字体属性
|
||||
[self addTextColorAndFontWithAtrributedString:attString];
|
||||
|
||||
// 添加文本段落样式
|
||||
[self addTextParaphStyleWithAtrributedString:attString];
|
||||
|
||||
return attString;
|
||||
}
|
||||
|
||||
// 添加文本颜色 字体属性
|
||||
- (void)addTextColorAndFontWithAtrributedString:(NSMutableAttributedString *)attString
|
||||
{
|
||||
// 添加文本字体
|
||||
[attString addAttributeFont:_font];
|
||||
|
||||
// 添加文本颜色
|
||||
[attString addAttributeTextColor:_textColor];
|
||||
|
||||
// 添加空心字体
|
||||
if (_strokeWidth > 0) {
|
||||
[attString addAttributeStrokeWidth:_strokeWidth strokeColor:_strokeColor];
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
// 添加文本段落样式
|
||||
- (void)addTextParaphStyleWithAtrributedString:(NSMutableAttributedString *)attString
|
||||
{
|
||||
// 字体间距
|
||||
if (_characterSpacing)
|
||||
{
|
||||
[attString addAttributeCharacterSpacing:_characterSpacing];
|
||||
}
|
||||
|
||||
// 添加文本段落样式
|
||||
[self addAttributeAlignmentStyle:_textAlignment lineSpaceStyle:_linesSpacing paragraphSpaceStyle:_paragraphSpacing lineBreakStyle:_lineBreakMode];
|
||||
}
|
||||
|
||||
- (void)addAttributeAlignmentStyle:(CTTextAlignment)textAlignment
|
||||
lineSpaceStyle:(CGFloat)linesSpacing
|
||||
paragraphSpaceStyle:(CGFloat)paragraphSpacing
|
||||
lineBreakStyle:(CTLineBreakMode)lineBreakMode
|
||||
{
|
||||
if (lineBreakMode == kCTLineBreakByTruncatingTail)
|
||||
{
|
||||
lineBreakMode = _numberOfLines == 1 ? kCTLineBreakByCharWrapping : kCTLineBreakByWordWrapping;
|
||||
}
|
||||
[_attString addAttributeAlignmentStyle:_textAlignment lineSpaceStyle:_linesSpacing paragraphSpaceStyle:_paragraphSpacing lineBreakStyle:lineBreakMode];
|
||||
}
|
||||
|
||||
#pragma mark - add text storage atrributed
|
||||
- (void)addTextStoragesWithAtrributedString:(NSMutableAttributedString *)attString
|
||||
{
|
||||
if (attString && _textStorageArray.count > 0) {
|
||||
|
||||
// 排序range
|
||||
[self sortTextStorageArray:_textStorageArray];
|
||||
|
||||
for (id<TYTextStorageProtocol> textStorage in _textStorageArray) {
|
||||
|
||||
// 修正图片替换字符来的误差
|
||||
if ([textStorage conformsToProtocol:@protocol(TYDrawStorageProtocol) ]) {
|
||||
continue;
|
||||
}
|
||||
|
||||
if ([textStorage conformsToProtocol:@protocol(TYLinkStorageProtocol)]) {
|
||||
if (!((id<TYLinkStorageProtocol>)textStorage).textColor) {
|
||||
((id<TYLinkStorageProtocol>)textStorage).textColor = _linkColor;
|
||||
}
|
||||
}
|
||||
|
||||
// 验证范围
|
||||
if (NSMaxRange(textStorage.range) <= attString.length) {
|
||||
[textStorage addTextStorageWithAttributedString:attString];
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
for (id<TYTextStorageProtocol> textStorage in _textStorageArray) {
|
||||
textStorage.realRange = NSMakeRange(textStorage.range.location-_replaceStringNum, textStorage.range.length);
|
||||
if ([textStorage conformsToProtocol:@protocol(TYDrawStorageProtocol)]) {
|
||||
id<TYDrawStorageProtocol> drawStorage = (id<TYDrawStorageProtocol>)textStorage;
|
||||
NSInteger currentLenght = attString.length;
|
||||
[drawStorage setTextfontAscent:_font.ascender descent:_font.descender];
|
||||
[drawStorage currentReplacedStringNum:_replaceStringNum];
|
||||
[drawStorage addTextStorageWithAttributedString:attString];
|
||||
_replaceStringNum += currentLenght - attString.length;
|
||||
}
|
||||
}
|
||||
_textStorages = [_textStorageArray copy];
|
||||
[_textStorageArray removeAllObjects];
|
||||
}
|
||||
}
|
||||
|
||||
- (void)sortTextStorageArray:(NSMutableArray *)textStorageArray
|
||||
{
|
||||
[textStorageArray sortUsingComparator:^NSComparisonResult(id<TYTextStorageProtocol> obj1, id<TYTextStorageProtocol> obj2) {
|
||||
if (obj1.range.location < obj2.range.location) {
|
||||
return NSOrderedAscending;
|
||||
} else if (obj1.range.location > obj2.range.location){
|
||||
return NSOrderedDescending;
|
||||
}else {
|
||||
return obj1.range.length > obj2.range.length ? NSOrderedAscending:NSOrderedDescending;
|
||||
}
|
||||
}];
|
||||
}
|
||||
|
||||
- (void)saveTextStorageRectWithFrame:(CTFrameRef)frame
|
||||
{
|
||||
if (!frame) {
|
||||
return;
|
||||
}
|
||||
// 获取每行
|
||||
CFArrayRef lines = CTFrameGetLines(frame);
|
||||
CGPoint lineOrigins[CFArrayGetCount(lines)];
|
||||
CTFrameGetLineOrigins(frame, CFRangeMake(0, 0), lineOrigins);
|
||||
CGFloat viewWidth = _textWidth;
|
||||
|
||||
NSInteger numberOfLines = _numberOfLines > 0 ? MIN(_numberOfLines, CFArrayGetCount(lines)) : CFArrayGetCount(lines);
|
||||
|
||||
NSMutableDictionary *runRectDictionary = [NSMutableDictionary dictionary];
|
||||
NSMutableDictionary *linkRectDictionary = [NSMutableDictionary dictionary];
|
||||
NSMutableDictionary *drawRectDictionary = [NSMutableDictionary dictionary];
|
||||
// 获取每行有多少run
|
||||
for (int i = 0; i < numberOfLines; i++) {
|
||||
CTLineRef line = CFArrayGetValueAtIndex(lines, i);
|
||||
CGFloat lineAscent;
|
||||
CGFloat lineDescent;
|
||||
CGFloat lineLeading;
|
||||
CTLineGetTypographicBounds(line, &lineAscent, &lineDescent, &lineLeading);
|
||||
|
||||
CFArrayRef runs = CTLineGetGlyphRuns(line);
|
||||
// 获得每行的run
|
||||
for (int j = 0; j < CFArrayGetCount(runs); j++) {
|
||||
CGFloat runAscent;
|
||||
CGFloat runDescent;
|
||||
CGPoint lineOrigin = lineOrigins[i];
|
||||
CTRunRef run = CFArrayGetValueAtIndex(runs, j);
|
||||
// run的属性字典
|
||||
NSDictionary* attributes = (NSDictionary*)CTRunGetAttributes(run);
|
||||
id<TYTextStorageProtocol> textStorage = [attributes objectForKey:kTYTextRunAttributedName];
|
||||
|
||||
if (textStorage) {
|
||||
CGFloat runWidth = CTRunGetTypographicBounds(run, CFRangeMake(0,0), &runAscent, &runDescent, NULL);
|
||||
|
||||
if (viewWidth > 0 && runWidth > viewWidth) {
|
||||
runWidth = viewWidth;
|
||||
}
|
||||
CGRect runRect = CGRectMake(lineOrigin.x + CTLineGetOffsetForStringIndex(line, CTRunGetStringRange(run).location, NULL), lineOrigin.y - runDescent, runWidth, runAscent + runDescent);
|
||||
|
||||
if ([textStorage conformsToProtocol:@protocol(TYDrawStorageProtocol)]) {
|
||||
[drawRectDictionary setObject:textStorage forKey:[NSValue valueWithCGRect:runRect]];
|
||||
} else if ([textStorage conformsToProtocol:@protocol(TYLinkStorageProtocol)]) {
|
||||
[linkRectDictionary setObject:textStorage forKey:[NSValue valueWithCGRect:runRect]];
|
||||
}
|
||||
|
||||
[runRectDictionary setObject:textStorage forKey:[NSValue valueWithCGRect:runRect]];
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
if (drawRectDictionary.count > 0) {
|
||||
_drawRectDictionary = [drawRectDictionary copy];
|
||||
}else {
|
||||
_drawRectDictionary = nil;
|
||||
}
|
||||
|
||||
if (runRectDictionary.count > 0) {
|
||||
// 添加响应点击rect
|
||||
[self addRunRectDictionary:[runRectDictionary copy]];
|
||||
}
|
||||
|
||||
if (linkRectDictionary.count > 0) {
|
||||
_linkRectDictionary = [linkRectDictionary copy];
|
||||
}else {
|
||||
_linkRectDictionary = nil;
|
||||
}
|
||||
}
|
||||
|
||||
// 添加响应点击rect
|
||||
- (void)addRunRectDictionary:(NSDictionary *)runRectDictionary
|
||||
{
|
||||
if (runRectDictionary.count < _runRectDictionary.count) {
|
||||
NSMutableArray *drawStorageArray = [[_runRectDictionary allValues]mutableCopy];
|
||||
// 剔除已经画出来的
|
||||
[drawStorageArray removeObjectsInArray:[runRectDictionary allValues]];
|
||||
|
||||
// 遍历不会画出来的
|
||||
for (id<TYTextStorageProtocol>drawStorage in drawStorageArray) {
|
||||
if ([drawStorage conformsToProtocol:@protocol(TYViewStorageProtocol)]) {
|
||||
[(id<TYViewStorageProtocol>)drawStorage didNotDrawRun];
|
||||
}
|
||||
}
|
||||
}
|
||||
_runRectDictionary = runRectDictionary;
|
||||
}
|
||||
|
||||
- (CGSize)getSuggestedSizeWithFramesetter:(CTFramesetterRef)framesetter width:(CGFloat)width
|
||||
{
|
||||
if (_attString == nil || width <= 0) {
|
||||
return CGSizeZero;
|
||||
}
|
||||
|
||||
if (_textHeight > 0) {
|
||||
return CGSizeMake(_textWidth > 0 ? _textWidth : width, _textHeight);
|
||||
}
|
||||
|
||||
// 是否需要更新frame
|
||||
if (framesetter == nil) {
|
||||
|
||||
framesetter = CTFramesetterCreateWithAttributedString((CFAttributedStringRef)[self createAttributedString]);
|
||||
}else {
|
||||
CFRetain(framesetter);
|
||||
}
|
||||
|
||||
// 获得建议的size
|
||||
CGSize suggestedSize = CTFramesetterSuggestFrameSizeForAttributedStringWithConstraints(framesetter, _attString, CGSizeMake(width,MAXFLOAT), _numberOfLines);
|
||||
|
||||
CFRelease(framesetter);
|
||||
|
||||
return CGSizeMake(_isWidthToFit ? suggestedSize.width : width, suggestedSize.height+1);
|
||||
}
|
||||
- (CGFloat)getHeightWithFramesetter:(CTFramesetterRef)framesetter width:(CGFloat)width
|
||||
{
|
||||
return [self getSuggestedSizeWithFramesetter:framesetter width:width].height;
|
||||
}
|
||||
|
||||
- (CTFrameRef)createFrameRefWithFramesetter:(CTFramesetterRef)framesetter textSize:(CGSize)textSize
|
||||
{
|
||||
// 这里你需要创建一个用于绘制文本的路径区域,通过 self.bounds 使用整个视图矩形区域创建 CGPath 引用。
|
||||
CGMutablePathRef path = CGPathCreateMutable();
|
||||
CGFloat textHeight = [self getHeightWithFramesetter:framesetter width:textSize.width];
|
||||
CGPathAddRect(path, NULL, CGRectMake(0, 0, textSize.width, MAX(textHeight, textSize.height)));
|
||||
|
||||
CTFrameRef frameRef = CTFramesetterCreateFrame(framesetter, CFRangeMake(0, [_attString length]), path, NULL);
|
||||
CFRelease(path);
|
||||
return frameRef;
|
||||
}
|
||||
|
||||
- (instancetype)createTextContainerWithTextWidth:(CGFloat)textWidth
|
||||
{
|
||||
return [self createTextContainerWithContentSize:CGSizeMake(textWidth, 0)];
|
||||
}
|
||||
|
||||
- (instancetype)createTextContainerWithContentSize:(CGSize)contentSize
|
||||
{
|
||||
if (_frameRef) {
|
||||
return self;
|
||||
}
|
||||
NSAttributedString *attStr = [self createAttributedString];
|
||||
// 创建CTFramesetter
|
||||
CTFramesetterRef framesetter = CTFramesetterCreateWithAttributedString((CFAttributedStringRef)attStr);
|
||||
|
||||
// 获得建议的size
|
||||
CGSize size = [self getSuggestedSizeWithFramesetter:framesetter width:contentSize.width];
|
||||
_textWidth = size.width;
|
||||
_textHeight = size.height;
|
||||
|
||||
// 创建CTFrameRef
|
||||
_frameRef = [self createFrameRefWithFramesetter:framesetter textSize:CGSizeMake(_textWidth, contentSize.height > 0 ? contentSize.height : _textHeight)];
|
||||
|
||||
// 释放内存
|
||||
CFRelease(framesetter);
|
||||
|
||||
// 保存run rect
|
||||
[self saveTextStorageRectWithFrame:_frameRef];
|
||||
|
||||
return self;
|
||||
}
|
||||
|
||||
#pragma mark - enumerate runRect
|
||||
|
||||
- (BOOL)existRunRectDictionary
|
||||
{
|
||||
return _runRectDictionary.count != 0;
|
||||
}
|
||||
|
||||
- (BOOL)existLinkRectDictionary
|
||||
{
|
||||
return _linkRectDictionary.count != 0;
|
||||
}
|
||||
|
||||
- (BOOL)existDrawRectDictionary
|
||||
{
|
||||
return _drawRectDictionary.count != 0;
|
||||
}
|
||||
|
||||
- (void)enumerateDrawRectDictionaryUsingBlock:(void (^)(id<TYDrawStorageProtocol> drawStorage, CGRect rect))block
|
||||
{
|
||||
[_drawRectDictionary enumerateKeysAndObjectsUsingBlock:^(NSValue *rectValue, id<TYDrawStorageProtocol> drawStorage, BOOL * stop) {
|
||||
if (block) {
|
||||
block(drawStorage,[rectValue CGRectValue]);
|
||||
}
|
||||
}];
|
||||
}
|
||||
|
||||
- (BOOL)enumerateRunRectContainPoint:(CGPoint)point viewHeight:(CGFloat)viewHeight successBlock:(void (^)(id<TYTextStorageProtocol> textStorage))successBlock
|
||||
{
|
||||
return [self enumerateRunRect:_runRectDictionary ContainPoint:point viewHeight:viewHeight successBlock:successBlock];
|
||||
}
|
||||
|
||||
- (BOOL)enumerateLinkRectContainPoint:(CGPoint)point viewHeight:(CGFloat)viewHeight successBlock:(void (^)(id<TYLinkStorageProtocol> textStorage))successBlock
|
||||
{
|
||||
return [self enumerateRunRect:_linkRectDictionary ContainPoint:point viewHeight:viewHeight successBlock:successBlock];
|
||||
}
|
||||
|
||||
- (BOOL)enumerateRunRect:(NSDictionary *)runRectDic ContainPoint:(CGPoint)point viewHeight:(CGFloat)viewHeight successBlock:(void (^)(id textStorage))successBlock
|
||||
{
|
||||
if (runRectDic.count == 0) {
|
||||
return NO;
|
||||
}
|
||||
// CoreText context coordinates are the opposite to UIKit so we flip the bounds
|
||||
CGAffineTransform transform = CGAffineTransformScale(CGAffineTransformMakeTranslation(0, viewHeight), 1.f, -1.f);
|
||||
|
||||
__block BOOL find = NO;
|
||||
// 遍历run位置字典
|
||||
[runRectDic enumerateKeysAndObjectsUsingBlock:^(NSValue *keyRectValue, id<TYTextStorageProtocol> textStorage, BOOL *stop) {
|
||||
|
||||
CGRect imgRect = [keyRectValue CGRectValue];
|
||||
CGRect rect = CGRectApplyAffineTransform(imgRect, transform);
|
||||
|
||||
if ([textStorage conformsToProtocol:@protocol(TYDrawStorageProtocol) ]) {
|
||||
rect = UIEdgeInsetsInsetRect(rect,((id<TYDrawStorageProtocol>)textStorage).margin);
|
||||
}
|
||||
|
||||
// point 是否在rect里
|
||||
if(CGRectContainsPoint(rect, point)){
|
||||
find = YES;
|
||||
*stop = YES;
|
||||
if (successBlock) {
|
||||
successBlock(textStorage);
|
||||
}
|
||||
}
|
||||
}];
|
||||
return find;
|
||||
}
|
||||
|
||||
- (void)dealloc{
|
||||
[self resetFrameRef];
|
||||
}
|
||||
|
||||
@end
|
||||
|
||||
#pragma mark - add textStorage
|
||||
@implementation TYTextContainer (Add)
|
||||
|
||||
- (void)addTextStorage:(id<TYTextStorageProtocol>)textStorage
|
||||
{
|
||||
if (textStorage) {
|
||||
[self.textStorageArray addObject:textStorage];
|
||||
[self resetFrameRef];
|
||||
}
|
||||
}
|
||||
|
||||
- (void)addTextStorageArray:(NSArray *)textStorageArray
|
||||
{
|
||||
if (textStorageArray) {
|
||||
for (id<TYTextStorageProtocol> textStorage in textStorageArray) {
|
||||
if ([textStorage conformsToProtocol:@protocol(TYTextStorageProtocol)]) {
|
||||
[self addTextStorage:textStorage];
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
@end
|
||||
|
||||
#pragma mark - append textStorage
|
||||
@implementation TYTextContainer (Append)
|
||||
|
||||
- (void)appendText:(NSString *)text
|
||||
{
|
||||
NSAttributedString *attributedText = [self createTextAttibuteStringWithText:text];
|
||||
[self appendTextAttributedString:attributedText];
|
||||
[self resetFrameRef];
|
||||
}
|
||||
|
||||
- (void)appendTextAttributedString:(NSAttributedString *)attributedText
|
||||
{
|
||||
if (attributedText == nil) {
|
||||
return;
|
||||
}
|
||||
if (_attString == nil) {
|
||||
_attString = [[NSMutableAttributedString alloc] init];
|
||||
}
|
||||
|
||||
if ([attributedText isKindOfClass:[NSMutableAttributedString class]]) {
|
||||
[self addTextParaphStyleWithAtrributedString:(NSMutableAttributedString *)attributedText];
|
||||
}
|
||||
|
||||
[_attString appendAttributedString:attributedText];
|
||||
[self resetFrameRef];
|
||||
}
|
||||
|
||||
- (void)appendTextStorage:(id<TYAppendTextStorageProtocol>)textStorage
|
||||
{
|
||||
if (textStorage) {
|
||||
if ([textStorage conformsToProtocol:@protocol(TYDrawStorageProtocol)]) {
|
||||
[(id<TYDrawStorageProtocol>)textStorage setTextfontAscent:_font.ascender descent:_font.descender];
|
||||
} else if ([textStorage conformsToProtocol:@protocol(TYLinkStorageProtocol)]) {
|
||||
if (!((id<TYLinkStorageProtocol>)textStorage).textColor) {
|
||||
((id<TYLinkStorageProtocol>)textStorage).textColor = _linkColor;
|
||||
}
|
||||
}
|
||||
|
||||
NSAttributedString *attAppendString = [textStorage appendTextStorageAttributedString];
|
||||
textStorage.realRange = NSMakeRange(_attString.length, attAppendString.length);
|
||||
[self appendTextAttributedString:attAppendString];
|
||||
[self resetFrameRef];
|
||||
}
|
||||
}
|
||||
|
||||
- (void)appendTextStorageArray:(NSArray *)textStorageArray
|
||||
{
|
||||
if (textStorageArray) {
|
||||
for (id<TYAppendTextStorageProtocol> textStorage in textStorageArray) {
|
||||
if ([textStorage conformsToProtocol:@protocol(TYAppendTextStorageProtocol)]) {
|
||||
[self appendTextStorage:textStorage];
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
@end
|
||||
@@ -0,0 +1,24 @@
|
||||
//
|
||||
// TYTextStorage.h
|
||||
// TYAttributedLabelDemo
|
||||
//
|
||||
// Created by tanyang on 15/4/8.
|
||||
// Copyright (c) 2015年 tanyang. All rights reserved.
|
||||
//
|
||||
|
||||
#import "TYTextStorageProtocol.h"
|
||||
#import <CoreText/CoreText.h>
|
||||
|
||||
@interface TYTextStorage : NSObject<TYAppendTextStorageProtocol>
|
||||
|
||||
@property (nonatomic, assign) NSInteger tag; // 标识
|
||||
@property (nonatomic, assign) NSRange range; //如果appendStorage, range只针对追加的文本
|
||||
@property (nonatomic, assign) NSRange realRange; // label文本中实际位置,因为某些文本被替换，会导致位置偏移
|
||||
@property (nonatomic, strong) NSString *text; // 只针对追加text文本
|
||||
@property (nonatomic, strong) UIColor *textColor; // 文本颜色
|
||||
@property (nonatomic, strong) UIFont *font; // 字体
|
||||
|
||||
@property (nonatomic, assign) CTUnderlineStyle underLineStyle;// 下划线样式（单 双）（默认没有）
|
||||
@property (nonatomic, assign) CTUnderlineStyleModifiers modifier;// 下划线样式 （点 线）（默认线）
|
||||
|
||||
@end
|
||||
@@ -0,0 +1,47 @@
|
||||
//
|
||||
// TYTextStorage.m
|
||||
// TYAttributedLabelDemo
|
||||
//
|
||||
// Created by tanyang on 15/4/8.
|
||||
// Copyright (c) 2015年 tanyang. All rights reserved.
|
||||
//
|
||||
|
||||
#import "TYTextStorage.h"
|
||||
#import "NSMutableAttributedString+TY.h"
|
||||
|
||||
@implementation TYTextStorage
|
||||
|
||||
#pragma mark - protocol
|
||||
|
||||
- (void)addTextStorageWithAttributedString:(NSMutableAttributedString *)attributedString
|
||||
{
|
||||
|
||||
// 颜色
|
||||
if (_textColor) {
|
||||
[attributedString addAttributeTextColor:_textColor range:_range];
|
||||
}
|
||||
// 字体
|
||||
if (_font) {
|
||||
[attributedString addAttributeFont:_font range:_range];
|
||||
}
|
||||
|
||||
// 下划线
|
||||
if (_underLineStyle) {
|
||||
[attributedString addAttributeUnderlineStyle:_underLineStyle modifier:_modifier range:_range];
|
||||
}
|
||||
}
|
||||
|
||||
- (NSAttributedString *)appendTextStorageAttributedString
|
||||
{
|
||||
NSMutableAttributedString *attributedString = [[NSMutableAttributedString alloc] initWithString:_text];
|
||||
|
||||
// 验证范围
|
||||
if (NSEqualRanges(_range, NSMakeRange(0, 0))) {
|
||||
_range = NSMakeRange(0, attributedString.length);
|
||||
}
|
||||
|
||||
[self addTextStorageWithAttributedString:attributedString];
|
||||
return [attributedString copy];
|
||||
}
|
||||
|
||||
@end
|
||||
+94
@@ -0,0 +1,94 @@
|
||||
//
|
||||
// TYTextStorageProtocol.h
|
||||
// TYAttributedLabelDemo
|
||||
//
|
||||
// Created by tanyang on 15/4/8.
|
||||
// Copyright (c) 2015年 tanyang. All rights reserved.
|
||||
//
|
||||
|
||||
#import <UIKit/UIKit.h>
|
||||
|
||||
typedef enum : NSUInteger {
|
||||
TYDrawAlignmentTop, // 底部齐平 向上伸展
|
||||
TYDrawAlignmentCenter, // 中心齐平
|
||||
TYDrawAlignmentBottom, // 顶部齐平 向下伸展
|
||||
} TYDrawAlignment;
|
||||
|
||||
extern NSString *const kTYTextRunAttributedName;
|
||||
|
||||
@protocol TYTextStorageProtocol <NSObject>
|
||||
@required
|
||||
|
||||
/**
|
||||
* 范围（如果是appendStorage,range只针对追加的文本）
|
||||
*/
|
||||
@property (nonatomic,assign) NSRange range;
|
||||
|
||||
/**
|
||||
* 文本中实际位置,因为某些文本被替换，会导致位置偏移
|
||||
*/
|
||||
@property (nonatomic,assign) NSRange realRange;
|
||||
|
||||
/**
|
||||
* 添加属性到全文attributedString addTextStorage调用
|
||||
*
|
||||
* @param attributedString 属性字符串
|
||||
*/
|
||||
- (void)addTextStorageWithAttributedString:(NSMutableAttributedString *)attributedString;
|
||||
|
||||
@end
|
||||
|
||||
@protocol TYAppendTextStorageProtocol <TYTextStorageProtocol>
|
||||
|
||||
@required
|
||||
|
||||
/**
|
||||
* 追加attributedString属性 appendTextStorage调用
|
||||
*
|
||||
* @return 返回需要追加的attributedString属性
|
||||
*/
|
||||
- (NSAttributedString *)appendTextStorageAttributedString;
|
||||
|
||||
@end
|
||||
|
||||
@protocol TYLinkStorageProtocol <TYAppendTextStorageProtocol>
|
||||
|
||||
@property (nonatomic, strong) UIColor *textColor; // 文本颜色
|
||||
|
||||
@end
|
||||
|
||||
@protocol TYDrawStorageProtocol <TYAppendTextStorageProtocol>
|
||||
|
||||
@property (nonatomic, assign) UIEdgeInsets margin; // 四周间距
|
||||
|
||||
/**
|
||||
* 添加View 或 绘画 到该区域
|
||||
*
|
||||
* @param rect 绘画区域
|
||||
*/
|
||||
- (void)drawStorageWithRect:(CGRect)rect;
|
||||
|
||||
/**
|
||||
* 设置字体高度 当前字符串替换数
|
||||
*/
|
||||
- (void)setTextfontAscent:(CGFloat)ascent descent:(CGFloat)descent;
|
||||
|
||||
// 当前替换字符数
|
||||
- (void)currentReplacedStringNum:(NSInteger)replacedStringNum;
|
||||
|
||||
@end
|
||||
|
||||
@protocol TYViewStorageProtocol <NSObject>
|
||||
|
||||
/**
|
||||
* 设置所属的view
|
||||
*/
|
||||
- (void)setOwnerView:(UIView *)ownerView;
|
||||
|
||||
/**
|
||||
* 不会把你绘画出来
|
||||
*/
|
||||
- (void)didNotDrawRun;
|
||||
|
||||
@end
|
||||
|
||||
@@ -0,0 +1,15 @@
|
||||
//
|
||||
// TYDrawViewStorage.h
|
||||
// TYAttributedLabelDemo
|
||||
//
|
||||
// Created by tanyang on 15/4/9.
|
||||
// Copyright (c) 2015年 tanyang. All rights reserved.
|
||||
//
|
||||
|
||||
#import "TYDrawStorage.h"
|
||||
|
||||
@interface TYViewStorage : TYDrawStorage<TYViewStorageProtocol>
|
||||
|
||||
@property (nonatomic, strong) UIView *view; // 添加view
|
||||
|
||||
@end
|
||||
@@ -0,0 +1,66 @@
|
||||
//
|
||||
// TYDrawViewStorage.m
|
||||
// TYAttributedLabelDemo
|
||||
//
|
||||
// Created by tanyang on 15/4/9.
|
||||
// Copyright (c) 2015年 tanyang. All rights reserved.
|
||||
//
|
||||
|
||||
#import "TYViewStorage.h"
|
||||
|
||||
@interface TYViewStorage ()
|
||||
@property (nonatomic, weak) UIView *superView;
|
||||
@end
|
||||
|
||||
@implementation TYViewStorage
|
||||
|
||||
#pragma mark - protocol
|
||||
|
||||
- (void)setView:(UIView *)view
|
||||
{
|
||||
_view = view;
|
||||
|
||||
if (CGSizeEqualToSize(self.size, CGSizeZero)) {
|
||||
if ([NSThread isMainThread]) {
|
||||
self.size = view.frame.size;
|
||||
} else {
|
||||
dispatch_semaphore_t signal = dispatch_semaphore_create(0);
|
||||
dispatch_sync(dispatch_get_main_queue(), ^{
|
||||
self.size = view.frame.size;
|
||||
dispatch_semaphore_signal(signal);
|
||||
});
|
||||
dispatch_semaphore_wait(signal, DISPATCH_TIME_FOREVER);
|
||||
}
|
||||
|
||||
}
|
||||
}
|
||||
|
||||
- (void)setOwnerView:(UIView *)ownerView
|
||||
{
|
||||
if (_view.superview) {
|
||||
[_view removeFromSuperview];
|
||||
}
|
||||
|
||||
_superView = ownerView;
|
||||
}
|
||||
|
||||
- (void)didNotDrawRun
|
||||
{
|
||||
[_view removeFromSuperview];
|
||||
}
|
||||
|
||||
- (void)drawStorageWithRect:(CGRect)rect
|
||||
{
|
||||
if (_view == nil || _superView == nil) return;
|
||||
// 设置frame 注意 转换rect CoreText context coordinates are the opposite to UIKit so we flip the bounds
|
||||
CGAffineTransform transform = CGAffineTransformScale(CGAffineTransformMakeTranslation(0, _superView.bounds.size.height), 1.f, -1.f);
|
||||
rect = CGRectApplyAffineTransform(rect, transform);
|
||||
[_view setFrame:rect];
|
||||
[_superView addSubview:_view];
|
||||
}
|
||||
|
||||
- (void)dealloc {
|
||||
[self.view performSelectorOnMainThread:@selector(removeFromSuperview) withObject:nil waitUntilDone:[NSThread isMainThread]];
|
||||
}
|
||||
|
||||
@end
|
||||
Reference in New Issue
Block a user