Powerful IOS Rich text editing and display frame: Yytext

Powerful IOS Rich text editing and display frame.
(This project is one of the Yykit components)

Characteristics

• API compatible with UILabel and Uitextview
• Supports high-performance asynchronous typesetting and rendering
• Extended the properties of Coretext to support more text effects
• Supports UIImage, UIView, and calayer as graphic elements
• Support for adding custom-styled, clickable text highlighting ranges
• Support for custom text parsing (built-in simple markdown/expression parsing)
• Support for text container path, internal blank path control
• Support text vertical layout, can be used to edit and display CJK text
• Support for image and Rich text copy and paste
• Support for rich-text placeholders when editing text
• Support for customizing the keyboard view
• Control of undo and redo Times
• Serialization and deserialization support for rich text
• Multi-lingual support, VoiceOver support
• All code has documentation comments

Architecture

Yytext and Textkit Architecture comparison

Text properties Yytext native supported properties

Demo	Attribute Name	Class
	Textbackedstring	Yytextbackedstring
	Textbinding	Yytextbinding
	Textshadow	Yytextshadow
	Textinnershadow	Yytextshadow
	Textunderline	Yytextdecoration
	Textstrickthrough	Yytextdecoration
	Textborder	Yytextborder
	Textbackgroundborder	Yytextborder
	Textblockborder	Yytextborder
	Textattachment	Yytextattachment
	Texthighlight	Yytexthighlight
	Textglyphtransform	Nsvalue (Cgaffinetransform)

Coretext Properties Supported by Yytext

Demo	Attribute Name	Class
	Font	Uifont (CTFONTREF)
	Kern	NSNumber
	Strokewidth	NSNumber
	Strokecolor	Cgcolorref
	Shadow	Nsshadow
	Ligature	NSNumber
	Verticalglyphform	NSNumber (BOOL)
	Writingdirection	Nsarray (NSNumber)
	Rundelegate	Ctrundelegateref
	TextAlignment	Nsparagraphstyle (nstextalignment)
	Linebreakmode	Nsparagraphstyle (Nslinebreakmode)
	LineSpacing	Nsparagraphstyle (CGFloat)
	Paragraphspacing Paragraphspacingbefore	Nsparagraphstyle (CGFloat)
	Firstlineheadindent	Nsparagraphstyle (CGFloat)
	Headindent	Nsparagraphstyle (CGFloat)
	Tailindent	Nsparagraphstyle (CGFloat)
	Minimumlineheight	Nsparagraphstyle (CGFloat)
	Maximumlineheight	Nsparagraphstyle (CGFloat)
	Lineheightmultiple	Nsparagraphstyle (CGFloat)
	Basewritingdirection	Nsparagraphstyle (nswritingdirection)
	Defaulttabinterval TabStops	Nsparagraphstyle Cgfloat/nsarray (Nstexttab)

Usage Basic usage

Yylabel (consistent with UILabel usage) yylabel *label = [Yylabel new];label.frame = ... Label.font = ... label.textcolor = ... label.text Alignment = ... Label.linebreakmode = ... label.numberoflines = ... label.text = ...//Yytextview (consistent with Uitextview usage) YYTEXTVI EW *textview = [Yytextview new];textview.frame = ... Textview.font = ... textview.textcolor = ... Textview.datadetectortypes = ... Textview.placeholdertext = ... textview.placeholdertextcolor = ... textView.delegate = ...

Project home: http://www.open-open.com/lib/view/home/1447216582147

ibireme/yytextwatch4750fork752

Item Description: Powerful text framework for IOS to display and edit rich text. -View More ...

List of issues:
#309	Set line spacing is not valid when all Yylabel are emoji expressions	by WUSW 2016-05-06
#308	Yytextborder Display Incomplete	by Baecheung 2016-05-06
#307	Can not find the Yytextview on [Uiresponder Currentfirstresponder]?	by Pamredrum 2016-05-07
#306	No Highlight Status	by Medisean 2016-05-06
#305	Yylabel attributed text default linespacing is not Zero	by Tobatha 2016-05-05

main Branch code update time: 2016-04-21

Development language: Objective-c

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Powerful IOS Rich text editing and display frame: Yytext