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[ft] Fix negative font sizes for bitmaps

This commit is contained in:
Behdad Esfahbod 2022-07-15 15:09:28 -06:00
parent 307ee9baff
commit 6ed57de15c
1 changed files with 6 additions and 2 deletions
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8
src/hb-ft.cc
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@ -137,6 +137,10 @@ _hb_ft_font_destroy (void *data)
static void _hb_ft_hb_font_changed (hb_font_t *font, FT_Face ft_face) static void _hb_ft_hb_font_changed (hb_font_t *font, FT_Face ft_face)
{ {
float x_mult = 1.f, y_mult = 1.f; float x_mult = 1.f, y_mult = 1.f;
if (font->x_scale < 0) x_mult = -x_mult;
if (font->y_scale < 0) y_mult = -y_mult;
if (FT_Set_Char_Size (ft_face, if (FT_Set_Char_Size (ft_face,
abs (font->x_scale), abs (font->y_scale), abs (font->x_scale), abs (font->y_scale),
0, 0 0, 0
@ -154,6 +158,8 @@ static void _hb_ft_hb_font_changed (hb_font_t *font, FT_Face ft_face)
FT_Set_Char_Size (ft_face, FT_Set_Char_Size (ft_face,
x_scale, y_scale, x_scale, y_scale,
0, 0); 0, 0);
/* This contains the sign that was previously in x_mult/y_mult. */
x_mult = (float) font->x_scale / x_scale; x_mult = (float) font->x_scale / x_scale;
y_mult = (float) font->y_scale / y_scale; y_mult = (float) font->y_scale / y_scale;
#endif #endif
@ -161,8 +167,6 @@ static void _hb_ft_hb_font_changed (hb_font_t *font, FT_Face ft_face)
else else
{ /* Shrug */ } { /* Shrug */ }
if (font->x_scale < 0) x_mult = -x_mult;
if (font->y_scale < 0) y_mult = -y_mult;
if (x_mult != 1.f || y_mult != 1.f) if (x_mult != 1.f || y_mult != 1.f)
{ {