Graphics Reference
In-Depth Information
//create attributed string
NSMutableAttributedString
*string =
nil
;
string = [[
NSMutableAttributedString
alloc
]
initWithString
:text];
//convert UIFont to a CTFont
CFStringRef
fontName = (
__bridge
CFStringRef
)font.
fontName
;
CGFloat
fontSize = font.
pointSize
;
CTFontRef
fontRef =
CTFontCreateWithName
(fontName, fontSize,
NULL
);
//set text attributes
NSDictionary
*attribs =
@{
(
__bridge
id
)
kCTForegroundColorAttributeName
:
(
__bridge
id
)[
UIColor
blackColor
].
CGColor
,
(
__bridge
id
)
kCTFontAttributeName
: (
__bridge
id
)fontRef
}
;
[string
setAttributes
:attribs
range
:
NSMakeRange
(
0
, [text
length
])];
attribs =
@{
(
__bridge
id
)
kCTForegroundColorAttributeName
:
(
__bridge
id
)[
UIColor
redColor
].
CGColor
,
(
__bridge
id
)
kCTUnderlineStyleAttributeName
:
@(
kCTUnderlineStyleSingle
)
,
(
__bridge
id
)
kCTFontAttributeName
: (
__bridge
id
)fontRef
}
;
[string
setAttributes
:attribs
range
:
NSMakeRange
(
6
,
5
)];
//release the CTFont we created earlier
CFRelease
(fontRef);
//set layer text
textLayer.
string
= string;
}
@end
