//
//  MPSumFunctionLayout.m
//  MathPad
//
//  Created by Kim Wittenburg on 23.04.14.
//  Copyright (c) 2014 Kim Wittenburg. All rights reserved.
//

#import "MPSumFunctionLayout.h"
#import "MPSumFunction.h"

@implementation MPSumFunctionLayout

- (MPSumFunction *)sumFunction
{
    return (MPSumFunction *)self.function;
}

- (NSSize)calculateSize
{
    NSAttributedString *text = [[NSAttributedString alloc] initWithString:@"∑" attributes:@{NSFontAttributeName: [NSFont fontWithName:@"HelveticaNeue" size:50.0]}];
    [self.textStorage setAttributedString:text];
    NSRange glyphRange = [self.layoutManager glyphRangeForTextContainer:self.textContainer];
    return [self.layoutManager boundingRectForGlyphRange:glyphRange inTextContainer:self.textContainer].size;
}

- (void)drawFunctionAtPoint:(NSPoint)point
{
    NSAttributedString *text = [[NSAttributedString alloc] initWithString:@"∑" attributes:@{NSFontAttributeName: [NSFont fontWithName:@"HelveticaNeue" size:50.0]}];
    [self.textStorage setAttributedString:text];
    NSRange glyphRange = [self.layoutManager glyphRangeForTextContainer:self.textContainer];
    [self.layoutManager drawGlyphsForGlyphRange:glyphRange atPoint:point];
}

@end