On 27/05/2009, at 12:34 PM, Graham Cox wrote:
On 27/05/2009, at 12:24 PM, Pierre Berloquin wrote:
That would mean dropping all the niceties of Quartz that lets me draw
outlined text, for one.
That's not the case. The attributes you pass in -
drawAtPoint:withAttributes: can include outlines
(NSStrokeWidthAttributeName) in different colours
(NSStrokeColorAttributeName), shadows (NSShadowAttributeName),
underlines and strikethroughs, all in different colours from the
main text fill.
Furthermore, the CGContextShowText... methods accept a C string
argument, so they can't cope with unicode. Neither can they apply
attributes in ranges. Both issues are entirely solved by
NSAttributedString. This class has infinitely more "niceties" than
raw Quartz text.
Just to be a bit more helpful, since you want to a) display an integer
and b) draw it outlined, here's a method that would do so: (warning:
typed into mail)
- (void) drawInt:(int) i atPoint:(NSPoint) p
{
NSString* str = [NSString stringWithFormat:@"%d", i];
NSMutableDictionary* attrs = [NSMutableDictionary dictionary];
[attrs setObject:[NSFont fontWithName:@"Helvetica" size:14]
forKey:NSFontAttributeName]; // Helvetica 14pt
[attrs setObject:[NSNumber numberWithInt:3]
forKey:NSStrokeWidthAttributeName]; // outline only, 3% of font
size
[attrs setObject:[NSColor blackColor]
forKey:NSStrokeColorAttributeName]; // black outline
[str drawAtPoint:p withAttributes:attrs];
}
--Graham
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