Calculate max font size that fits in a rect?

Question

I\'m attempting to find the maximum font size that will fit in a given rect for a given string. The goal of the algorithm is to fill as much of the rect as possible with as

Answer 1

Use the following method to calculate the font which can fit, for a given rect and string.

You can change the font to the one which you require. Also, If required you can add a default font height;

Method is self explanatory.

-(UIFont*) getFontTofitInRect:(CGRect) rect forText:(NSString*) text {
       CGFloat baseFont=0;
        UIFont *myFont=[UIFont systemFontOfSize:baseFont];
        CGSize fSize=[text sizeWithFont:myFont];
        CGFloat step=0.1f;

        BOOL stop=NO;
        CGFloat previousH;
        while (!stop) {
            myFont=[UIFont systemFontOfSize:baseFont+step ];
            fSize=[text sizeWithFont:myFont constrainedToSize:rect.size lineBreakMode:UILineBreakModeWordWrap];

            if(fSize.height+myFont.lineHeight>rect.size.height){           
                myFont=[UIFont systemFontOfSize:previousH];
                fSize=CGSizeMake(fSize.width, previousH);
                stop=YES;
            }else {
                 previousH=baseFont+step;
            }

            step++;
    }
    return myFont;

 }