#import "ViewController.h"

@implementation MyNSView
- (void)drawString:(NSString*)nsstring withPoint:(NSPoint)nspoint {
    CTTextAlignment alignment = kCTTextAlignmentLeft;
    CTParagraphStyleSetting actParagraphStyleSetting[] = {{ kCTParagraphStyleSpecifierAlignment, sizeof(CTTextAlignment), &alignment }};
    CTParagraphStyleRef cfParagraphStyleRef = CTParagraphStyleCreate(actParagraphStyleSetting, 1);
    void* keys[] = {/*(void*)kCTParagraphStyleAttributeName, */(void*)kCTFontAttributeName};
    void* vals[] = {/*(void*)cfParagraphStyleRef, */(void*)(__bridge CTFontRef)[NSFont messageFontOfSize:0]};
    CTFramesetterRef cfFramesetterRef = CTFramesetterCreateWithAttributedString(
        CFAttributedStringCreate(
            kCFAllocatorDefault,
            (__bridge CFStringRef)nsstring,
            CFDictionaryCreate(
                kCFAllocatorDefault,
                (void const**)keys,
                (void const**)vals,
                1,
                &kCFCopyStringDictionaryKeyCallBacks,
                &kCFTypeDictionaryValueCallBacks
            )
        )
    );

    CFRange cfrangeFit;
    CGSize szrndcrd = CTFramesetterSuggestFrameSizeWithConstraints(cfFramesetterRef, CFRangeMake(0, [nsstring length]), nil, CGSizeMake(CGFLOAT_MAX, CGFLOAT_MAX), &cfrangeFit);

    CTFrameRef cfFrameRef = CTFramesetterCreateFrame(
        cfFramesetterRef,
        CFRangeMake(0, [nsstring length]),
        CGPathCreateWithRect(CGRectMake(nspoint.x, nspoint.y, szrndcrd.width, szrndcrd.height), nil),
        nil
    );
    (CTFrameDraw(cfFrameRef, [[NSGraphicsContext currentContext] CGContext]));
}

- (void)drawRect:(NSRect)dirtyRect {
    [self drawString:@"E\u2259" withPoint:CGPointMake(10, 10)];
    [self drawString:@"E" withPoint:CGPointMake(30, 10)];
    [self drawString:@"\u2259" withPoint:CGPointMake(40, 10)];
}
@end

@implementation ViewController

- (void)viewDidLoad {
    [super viewDidLoad];

    // Do any additional setup after loading the view.
}


- (void)setRepresentedObject:(id)representedObject {
    [super setRepresentedObject:representedObject];

    // Update the view, if already loaded.
}


@end