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Handle old harfbuzz versions that dont have hb_ft_font_changed

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Kovid Goyal 2017-10-30 10:53:52 +05:30
parent 657d0c4e2d
commit 4098b33bb7
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GPG Key ID: 06BC317B515ACE7C
1 changed files with 14 additions and 1 deletions
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15
kitty/freetype.c
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@ -18,6 +18,9 @@
#if HB_VERSION_MAJOR > 1 || (HB_VERSION_MAJOR == 1 && (HB_VERSION_MINOR > 0 || (HB_VERSION_MINOR == 0 && HB_VERSION_MICRO >= 5)))
#define HARBUZZ_HAS_LOAD_FLAGS
#endif
#if HB_VERSION_MAJOR > 1 || (HB_VERSION_MAJOR == 1 && (HB_VERSION_MINOR > 6 || (HB_VERSION_MINOR == 6 && HB_VERSION_MICRO >= 3)))
#define HARFBUZZ_HAS_CHANGE_FONT
#endif
#include FT_FREETYPE_H
typedef struct {
@ -74,7 +77,17 @@ set_font_size(Face *self, FT_F26Dot6 char_width, FT_F26Dot6 char_height, FT_UInt
int error = FT_Set_Char_Size(self->face, char_width, char_height, xdpi, ydpi);
if (!error) {
self->char_width = char_width; self->char_height = char_height; self->xdpi = xdpi; self->ydpi = ydpi;
if (self->harfbuzz_font) hb_ft_font_changed(self->harfbuzz_font);
if (self->harfbuzz_font != NULL) {
#ifdef HARFBUZZ_HAS_CHANGE_FONT
hb_ft_font_changed(self->harfbuzz_font);
#else
hb_font_set_scale(
self->harfbuzz_font,
(int) (((uint64_t) self->face->size->metrics.x_scale * (uint64_t) self->face->units_per_EM + (1u<<15)) >> 16),
(int) (((uint64_t) self->face->size->metrics.y_scale * (uint64_t) self->face->units_per_EM + (1u<<15)) >> 16)
);
#endif
}
} else {
set_freetype_error("Failed to set char size, with error:", error); return false;
}