Stack Overflow
Stack Overflow

Questions tagged [ctfont]

18 questions
5
votes
2 answers

iPhone - Convert CTFont to UIFont?

I am trying to convert a CTFont to a UIFont without losing any of the styles and attributes such as: Font Name Font Size Font color Underlines Bold Italic etc
aryaxt
  • 76,198
  • 92
  • 293
  • 442
5
votes
1 answer

How to convert a Swift String to an array of CGGlyph

This snippet can be used for drawing CGGlyphs with a CGContext: //drawing let coreGraphicsFont = CTFontCopyGraphicsFont(coreTextFont, nil) CGContextSetFont(context, coreGraphicsFont); CGContextSetFontSize(context,…
user965972
  • 2,489
  • 2
  • 23
  • 39
4
votes
3 answers

Determine if unicode character has a glyph in UIFont

I want to find out if a certain unicode character has a glyph representation even if by a cascading font. For example, let's say I am using UIFont.systemFont(withSize:18) and a string \u{1CDA} and would like to find out if this font will display…
andrewz
  • 4,729
  • 5
  • 49
  • 67
4
votes
1 answer

Custom font as fallback font for missing glyphs

I'm currently working on an app which displays some funky characters. They are proper unicode characters There is no system font that contains these glyphs on iOS, so I made a custom font that contains only these glyphs. Now, I don't want to replace…
Mark Gaensicke
  • 504
  • 5
  • 16
2
votes
1 answer

How to use UIFontDescriptor when CTFeatureTypeIdentifier is not available

I use the following snippet to get the font features: let font = UIFont.systemFont(ofSize: 16) let features: NSArray = CTFontCopyFeatures(font)! print("properties = \(features)") So If I see this: { CTFeatureTypeExclusive =…
Gizmodo
  • 3,151
  • 7
  • 45
  • 92
2
votes
1 answer

FontName from CTFontRef

I've a CTFontRef variable. CTFontRef aFontRef; Getting Size of Font was easy : CGFloat aFontSize = CTFontGetSize(aFontRef); Please help me in retrieving the FontName. I'm expecting the FontName to be something like MarkerFelt-Wide. But, when I…
Roshit
  • 1,589
  • 1
  • 15
  • 37
2
votes
0 answers

Core Text Font Manager failing to register font with certain scope throwing undocumented error code -2

I am downloading certain font file and storing it in documents directory. After downloading, I try to register this font file using following code: @objc func registerAndSetFontTapped(_ sender: UIButton) { var error: Unmanaged? let…
Rohan Sanap
  • 2,773
  • 2
  • 21
  • 39
1
vote
1 answer

Objective-C - CTFont change font style?

I have a CTFont that contains a font style, and sumbolic traits. I want to create a new font with a new style that inherits the symbolic traits of the first font. How can I achieve this? CTFontRef newFontWithoutTraits =…
aryaxt
  • 76,198
  • 92
  • 293
  • 442
1
vote
2 answers

Swift: How to I get the list of downloaded system fonts which support the localised language?

I will like to provide the list of fonts that support the localised language. I could not find anything in UIFont and Font; but found something in CTFont and implemented the code below. HOWEVER, I keep getting warnings like "CoreText note: Client…
user14341201
  • 212
  • 1
  • 9
1
vote
2 answers

Why does Core Text return Myriad Pro Semibold when requesting a bold version of Myriad Pro

I have the common Adobe Myriad Pro fonts installed. These include Myriad Pro Regular, Myriad Pro Bold and Myriad Pro Semibold. Assume that I have a CTFontRef baseFont that points to Myriad Pro Regular, and that the font size I desire is size. I run…
jlarcombe
  • 699
  • 5
  • 6
1
vote
0 answers

Swift: get Unicode code points for glyphs of TTF font file?

Using Swift, is it possible to get the Unicode code points for the glyphs in a True Type Font (TTF) file? The CGFont doesn't seem to include a reference to the cmap table required to map Unicode code points to glyphs. The CTGlyphInfo class is close,…
Crashalot
  • 33,605
  • 61
  • 269
  • 439
1
vote
1 answer

CTFont with CTStringAttributes and NSMutableAttributedString crashes my app in xamarin

I'm trying to create NSMutableAttributedString and set its properties with SetProperties method. But my app crashes with error, MonoTouch.Foundation.MonoTouchException exception - NSInvalidArgumentException Reason: unrecognized selector sent to…
Semuserable
  • 454
  • 6
  • 24
1
vote
1 answer

CoreText - Performance warning when creating a CTFont?

I get the following warning when creating a CTFont. CoreText performance note: Client requested font with PostScript name "ArialRoundedMTBold" using name "Arial Rounded MT Bold" instead. // Creating Font CTFontRef fontWithoutTrait =…
aryaxt
  • 76,198
  • 92
  • 293
  • 442
0
votes
1 answer

CTFontCopyName Returns null for the kCTFontSampleTextNameKey

I am trying to get the Sample text of a font.This is my coding. NSString *fontFilePath=@"/Volumes/Work/Mac/Fonts/FONT FOLDER/Times New Roman Bold.ttf"; CFStringRef aCFString = (CFStringRef)fontFilePath; CTFontRef fontRef =…
Aravindhan
  • 15,608
  • 10
  • 56
  • 71
0
votes
0 answers

How to get real positions of text glyphs

CTFontGetAdvancesForGlyphs returns an array with widths of each text glypth (letter). How to get real positions for each glyph (letter) in a text string? If I calculate a sum of all text glyphs a resulting valuer is larger than real text string.…
aleksid1
  • 11
  • 2
1
2