Typesetting a simple paragraph by using Core Text

gistfile1.m

- (void) drawText: (NSRect) theRect {
  const CTFramesetterRef framesetter = 
    CTFramesetterCreateWithAttributedString((CFAttributedStringRef)_text);

  // Initialize a rectangular path.
  const CGMutablePathRef path = CGPathCreateMutable();
  const CGRect rect = CGRectInset(NSRectToCGRect([self bounds]), 5.0, 5.0);
  CGPathAddRect(path, NULL, rect);

  // Create the frame and draw it into the graphics context
  const CTFrameRef frame = 
    CTFramesetterCreateFrame(framesetter, CFRangeMake(0, 0), path, NULL);
  CFRelease(path);

  // Initialize a graphics context and set the text matrix to a known value
  CGContextRef context = (CGContextRef)
    [[NSGraphicsContext currentContext] graphicsPort];
  CGContextSetTextMatrix(context, CGAffineTransformIdentity);

  CTFrameDraw(frame, context);
  CFRelease(frame);
  CFRelease(framesetter);
}