textorize.m

// textorize.m: Objective-C version of textorize

#import <Cocoa/Cocoa.h>

int main(int argc, char *argv[])
{
    NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
    NSImage *image;
    NSBitmapImageRep *rep;
    NSFont *font;
    NSString *text;
    NSDictionary *attributes;
    NSSize size;
    NSRect rect;
    CGImageRef cgImage;

    font = [NSFont fontWithName: @"The Sans Mono" size: 200.0];
    text = [NSString stringWithUTF8String: argv[1]];
    attributes = [NSDictionary dictionaryWithObjectsAndKeys:
        font, NSFontAttributeName, nil];
    size = [text sizeWithAttributes: attributes];
    size.width += 20;
    size.height += 20;
    rect = NSMakeRect(0, 0, size.width, size.height);

    image = [[NSImage alloc] initWithSize: size];
    [image lockFocus];
    [[NSColor whiteColor] set];
    NSRectFill(rect);

    [[NSColor blackColor] set];
    [text drawAtPoint: NSMakePoint(10, 10)
       withAttributes: attributes];

    [image unlockFocus];

    cgImage = [image CGImageForProposedRect: NULL
                                    context: nil
                                      hints: nil];
    NSLog(@"cgImage: %p", cgImage);

    rep = [[NSBitmapImageRep alloc] initWithCGImage: cgImage];
    [[rep representationUsingType: NSPNGFileType properties: nil] writeToFile: @"output.png" atomically: NO];
    [rep release];

    [image release];
    [pool release];
    return 0;
}