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This project forked from lilyball/fontlabel
A project that includes a module for drawing arbitrary .ttf fonts for iPhone.
Home Page: http://zynga.com/
License: Apache License 2.0
C 16.51%
Objective-C 83.49%
fontlabel's Introduction
Copyright © 2009 Zynga Game Networks.
All .ttf files in this project are from http://www.webpagepublicity.com/free-fonts.html
This project provides 4 classes and 2 categories which are used to render text in custom fonts.
ZFont
-----
ZFont is the equivalent of UIFont but for arbitrary fonts.
Note that UIFont reports a larger ascender for some fonts (including Helvetica) than ZFont does.
I do not know why this occurs. ZFont uses CoreGraphics to determine this information.
FontManager
-----------
FontManager is used to cache CGFontRef objects so you can look them up by name,
the same way that UIFont caches its internal font objects by name.
### Usage:
Call `-[FontManager loadFont:]` once for each font you care about, generally as part
of your application startup. You then look up the ZFont objects later
with `-[FontManager zFontWithName:]`. If you don't call `-loadFont:`, it will be called
automatically for you when you call `-zFontWithName:`.
NSString (FontLabelStringDrawing)
---------------------------------
This category is modeled after NSString (UIStringDrawing) and provides the basic mechanism
for drawing text in a given CGFontRef. It differs in three key areas from UIStringDrawing:
* Wrapping of sized/drawn strings properly character-wraps really long words that cannot fit
on a single line by themselves even when the lineBreakMode is UILineBreakModeWordWrap.
UIStringDrawing appears to behave incorrectly under the same circumstances.
* Only some line break modes are supported at the moment.
Notably, Clip and Head/Middle truncation are not supported.
* UIFont reports a larger ascender for the system font (Helvetica) than ZFont.
I cannot figure out why this is. This means UIStringDrawing/UILabel will size any text
rendered in Helvetica with a taller bounding box than FontLabelStringDrawing.
Usage should be the same as the corresponding methods from UIStringDrawing.
ZAttributedString/ZMutableAttributedString
------------------------------------------
ZAttributedString is an implementation of an attributed string, patterned after
NSAttributedString from desktop Cocoa. The primary difference is ZMutableAttributedString
does not offer a -mutableString method.
ZAttributedString (ZAttributedStringDrawing)
--------------------------------------------
This category mimics NSString (FontLabelStringDrawing) but provides drawing primitives
for ZAttributedString instead. They should all work like their FontLabelStringDrawing
counterparts.
FontLabel
---------
This is a subclass of UILabel that draws text using a ZFont instead
of a UIFont. It uses FontLabelStringDrawing internally to do the heavy lifting.
Wrapping, tail truncation, and `-sizeToFit` work, as do the standard
`textAlignment`/`textColor` properties. A new `zAttributedText` property
has been added that allows for attributed string rendering.
The following properties are ignored:
* enabled
* font (use zFont instead)
* shadowColor
* shadowOffset
## TODO
- support more properties from UILabel
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