Draw Apple LastResort font, http://seriot.ch/visualization/unicode/lastresort.pdf

lastresort.m

//
//  main.m
//  Unicode
//
//  Created by Nicolas Seriot on 26/07/14.
//  Copyright (c) 2014 Nicolas Seriot. All rights reserved.
//

#import <Foundation/Foundation.h>
#import <AppKit/AppKit.h>

void drawLastResortGlyphsWithPDF(BOOL usePDF) {

    CGContextRef pdfContext = nil;
    NSImage *image = nil;
    NSString *path = nil;
    
    // create file or context
    CGFloat width = 2000;
    CGFloat height = 2300;
    
    if(usePDF) {
        path = @"/tmp/lastresort.pdf";
        NSURL *fileURL = [NSURL fileURLWithPath:path];
        CGRect mediaBox = CGRectMake(0, 0, width, height);
        pdfContext = CGPDFContextCreateWithURL((CFURLRef)fileURL, &mediaBox, NULL);
        CGPDFContextBeginPage(pdfContext, NULL);
        
        NSGraphicsContext *nsContext = [NSGraphicsContext graphicsContextWithGraphicsPort:pdfContext flipped:NO];
        [NSGraphicsContext setCurrentContext:nsContext];
    } else {
        path = @"/tmp/lastresort.png";
        NSSize imageSize = NSMakeSize(width, height);
        image = [[NSImage alloc] initWithSize:imageSize];
        [image setBackgroundColor:[NSColor whiteColor]];
        [image lockFocus];
    }

    /**/
    
    NSFont *font = [NSFont fontWithName:@"LastResort" size:96.0];
    NSFont *nameFont = [NSFont fontWithName:@"Monaco" size:12.0];
    
    for(unsigned int i = 0; i < 0x100; i++) {
        NSLog(@"-- 0x%02x", i);
        
        CGFloat x = 50 + 120 * (i % 16);
        CGFloat y = height - 130 - (i / 16) * 140;
        NSPoint p = NSMakePoint(x, y);

        NSGlyph glyph = (NSGlyph)i;
        
        NSBezierPath *bp = [NSBezierPath bezierPath];
        [bp moveToPoint:p];
        [bp appendBezierPathWithGlyph:glyph inFont:font];
        [bp fill];
        
        NSString *s = [NSString stringWithFormat:@"0x%02X", i];
        [s drawAtPoint:NSMakePoint(x + 40, y - 40) withAttributes:@{NSFontAttributeName:nameFont}];
    };

    // close context and save file
    
    if(usePDF) {
        CGPDFContextEndPage(pdfContext);
        CGPDFContextClose(pdfContext);
    } else {
        [image unlockFocus];
        
        CGImageRef imageRef = [image CGImageForProposedRect:NULL
                                                    context:nil
                                                      hints:nil];
        NSBitmapImageRep *imageRep = [[NSBitmapImageRep alloc] initWithCGImage:imageRef];
        [imageRep setSize:[image size]];
        NSData *pngData = [imageRep representationUsingType:NSPNGFileType properties:nil];
        [pngData writeToFile:path atomically:YES];
    }
}

int main(int argc, const char * argv[])
{
    @autoreleasepool {
        drawLastResortGlyphsWithPDF(YES);
    }
    return 0;
}