29 lines
817 B
C
29 lines
817 B
C
/* Automatic kerning for font rendering. This solves the issue where some
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* fonts (especially serif fonts) have too much space between specific
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* character pairs, like WA or L'.
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*/
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#ifndef _MF_KERNING_H_
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#define _MF_KERNING_H_
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#include "mf_config.h"
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#include "mf_rlefont.h"
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/* Compute the kerning adjustment when c1 is followed by c2.
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*
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* font: Pointer to the font definition.
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* c1: The previous character.
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* c2: The next character to render.
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*
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* Returns the offset to add to the x position for c2.
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*/
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#if MF_USE_KERNING
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MF_EXTERN int8_t mf_compute_kerning(const struct mf_font_s *font,
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mf_char c1, mf_char c2);
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#else
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static int8_t mf_compute_kerning(const struct mf_font_s *font,
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mf_char c1, mf_char c2)
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{ return 0; }
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#endif
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#endif |