[cc65] TGI bitmap font problem

There's a problem with scaled bitmap fonts when using a 8.8 fixed point
scaling factor: Where does the next character begin?

Assume a text string staring at 100/100 with a scaling of $180 (= 1.5). If the
width of the font is 9, the character would be scaled using 1.5, which gives a
width of 9 * 1.5 = 13.5. Does the next character begin at 113.5, 113 or 114?

What if we have a scale factor of $140 (= 1.25). In the example above, the
width would be 9 * 1.25 = 11.25. 

Assuming we start the next char at the next full pixel, string width
calculation becomes really complex, because it is not just width*length, but
for each character, the width has to be added and rounding has to be done.

Regards


        Uz


-- 
Ullrich von Bassewitz                                  uz@musoftware.de
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