DTCoreTextLayouter Class Reference
| Inherits from | NSObject |
| Declared in | DTCoreTextLayouter.h |
Overview
This class owns an attributed string and is able to create layoutFrames for certain ranges in this string. Optionally it caches these layout frames.
Tasks
Creating a Layouter
Creating Layout Frames
Getting Information
-
attributedStringproperty -
framesetterproperty
Properties
attributedString
The attributed string that the layouter currently owns
@property (nonatomic, strong) NSAttributedString *attributedStringDeclared In
DTCoreTextLayouter.hframesetter
The internal framesetter of the receiver
@property (nonatomic, readonly) CTFramesetterRef framesetterDeclared In
DTCoreTextLayouter.hshouldCacheLayoutFrames
If set to YES then the receiver will cache layout frames generated with layoutFrameWithRect:range: for a given rect
@property (nonatomic, assign) BOOL shouldCacheLayoutFramesDeclared In
DTCoreTextLayouter.hInstance Methods
initWithAttributedString:
Designated Initializer. Creates a new Layouter with an attributed string
- (id)initWithAttributedString:(NSAttributedString *)attributedStringParameters
- attributedString
The
NSAttributedStringto layout for
Return Value
An initialized layouter
Declared In
DTCoreTextLayouter.hlayoutFrameWithRect:range:
Creates a layout frame with a given rectangle and string range. The layouter fills the layout frame with as many lines as fit. You can query [DTCoreTextLayoutFrame visibleStringRange] for the range the fits and create another layout frame that continues the text from there to create multiple pages, for example for an e-book.
- (DTCoreTextLayoutFrame *)layoutFrameWithRect:(CGRect)frame range:(NSRange)rangeParameters
- frame
The rectangle to fill with text
- range
The string range to fill, pass {0,0} for the entire string (as much as fits)
Declared In
DTCoreTextLayouter.h