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Fix freetype nsfont_position_in_string to return nearest, rather than next.

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This commit is contained in:
Michael Drake 2012-08-01 23:58:54 +01:00
parent a92f2aa0a6
commit c0bfe7dfdf
1 changed files with 6 additions and 0 deletions
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6
framebuffer/font_freetype.c
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@ -462,6 +462,7 @@ static bool nsfont_position_in_string(const plot_font_style_t *fstyle,
uint32_t ucs4;
size_t nxtchr = 0;
FT_Glyph glyph;
int prev_x = 0;
*actual_x = 0;
while (nxtchr < length) {
@ -475,9 +476,14 @@ static bool nsfont_position_in_string(const plot_font_style_t *fstyle,
if (*actual_x > x)
break;
prev_x = *actual_x;
nxtchr = utf8_next(string, length, nxtchr);
}
/* choose nearest of previous and last x */
if (abs(*actual_x - x) > abs(prev_x - x))
*actual_x = prev_x;
*char_offset = nxtchr;
return true;
}