I\'m 开发者_如何转开发trying to use CTFont in an iPhone app.I have :- Added the Core Text framework
I am a developing an iPad application in which i have to use CTRunDelegate. I have defined all the the callbacks that are required viz CTRunDelegateGetAscentCallback , CTRunDelegateGetDescentCallback
There is several CTLineCreate* functions, but I can\'t find a function whi开发者_Python百科ch make CTRunRef.CTRun values are created by Core Text when needed (specifically, they\'re created by CTTypes
Let\'s say I\'m writing text viewer for the iPhone using Core Text. Every time user changes base font size I need to count how many pages (fixed size CGRects) are needed to display the whole NSAttribu
I\'m implementing a document viewer with highlighting/annotation capabilities for a custom document format on iPad. The documents are kind of long (100 to 200 pages, if printed on paper) and I\'ve had
I am开发者_开发百科 working on an application and would like to apply syntax highlighting to some user-entered text. I have looked around, and some people are suggesting that this can be done in iOS 3
So, this is mainly for fun, I\'m poking around and trying to find my way inside a few fonts and I have a few questions I\'d really appreciate some help on if anyone has done this kind of stuff.
How I can know what is the size between two lines? I\'m 开发者_Python百科using CoreText API. Try CTFontGetLeading(aCTFont).
I\'m trying to find the boundaries of a line of text in Core Text. For simplicity, assume it has a single character.
According to the docs, CTFramesetterSuggestFrameSizeWithConstraints () "determines the frame size needed for a strin开发者_JS百科g range".
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