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[ft] Automatically pick up font serial changes

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Part of https://github.com/harfbuzz/harfbuzz/issues/5124
This commit is contained in:
Behdad Esfahbod 2025-03-09 03:07:45 -06:00
parent 402f89cb79
commit a83faa061c
1 changed files with 22 additions and 0 deletions
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22
src/hb-ft.cc
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@ -478,6 +478,8 @@ hb_ft_get_glyph_h_advances (hb_font_t* font, void* font_data,
void *user_data HB_UNUSED)
{
const hb_ft_font_t *ft_font = (const hb_ft_font_t *) font_data;
_hb_ft_hb_font_check_changed (font, ft_font);
hb_position_t *orig_first_advance = first_advance;
hb_lock_t lock (ft_font->lock);
FT_Face ft_face = ft_font->ft_face;
@ -561,6 +563,8 @@ hb_ft_get_glyph_v_advance (hb_font_t *font,
void *user_data HB_UNUSED)
{
const hb_ft_font_t *ft_font = (const hb_ft_font_t *) font_data;
_hb_ft_hb_font_check_changed (font, ft_font);
hb_lock_t lock (ft_font->lock);
FT_Fixed v;
float y_mult;
@ -614,6 +618,8 @@ hb_ft_get_glyph_v_origin (hb_font_t *font,
void *user_data HB_UNUSED)
{
const hb_ft_font_t *ft_font = (const hb_ft_font_t *) font_data;
_hb_ft_hb_font_check_changed (font, ft_font);
hb_lock_t lock (ft_font->lock);
FT_Face ft_face = ft_font->ft_face;
float x_mult, y_mult;
@ -658,6 +664,8 @@ hb_ft_get_glyph_h_kerning (hb_font_t *font,
void *user_data HB_UNUSED)
{
const hb_ft_font_t *ft_font = (const hb_ft_font_t *) font_data;
_hb_ft_hb_font_check_changed (font, ft_font);
hb_lock_t lock (ft_font->lock);
FT_Vector kerningv;
@ -677,6 +685,8 @@ hb_ft_get_glyph_extents (hb_font_t *font,
void *user_data HB_UNUSED)
{
const hb_ft_font_t *ft_font = (const hb_ft_font_t *) font_data;
_hb_ft_hb_font_check_changed (font, ft_font);
hb_lock_t lock (ft_font->lock);
FT_Face ft_face = ft_font->ft_face;
float x_mult, y_mult;
@ -749,6 +759,8 @@ hb_ft_get_glyph_contour_point (hb_font_t *font HB_UNUSED,
void *user_data HB_UNUSED)
{
const hb_ft_font_t *ft_font = (const hb_ft_font_t *) font_data;
_hb_ft_hb_font_check_changed (font, ft_font);
hb_lock_t lock (ft_font->lock);
FT_Face ft_face = ft_font->ft_face;
@ -826,6 +838,8 @@ hb_ft_get_font_h_extents (hb_font_t *font HB_UNUSED,
void *user_data HB_UNUSED)
{
const hb_ft_font_t *ft_font = (const hb_ft_font_t *) font_data;
_hb_ft_hb_font_check_changed (font, ft_font);
hb_lock_t lock (ft_font->lock);
FT_Face ft_face = ft_font->ft_face;
float y_mult;
@ -916,6 +930,8 @@ hb_ft_draw_glyph (hb_font_t *font,
void *user_data HB_UNUSED)
{
const hb_ft_font_t *ft_font = (const hb_ft_font_t *) font_data;
_hb_ft_hb_font_check_changed (font, ft_font);
hb_lock_t lock (ft_font->lock);
FT_Face ft_face = ft_font->ft_face;
@ -990,6 +1006,8 @@ hb_ft_paint_glyph (hb_font_t *font,
void *user_data)
{
const hb_ft_font_t *ft_font = (const hb_ft_font_t *) font_data;
_hb_ft_hb_font_check_changed (font, ft_font);
hb_lock_t lock (ft_font->lock);
FT_Face ft_face = ft_font->ft_face;
@ -1456,6 +1474,10 @@ hb_ft_font_changed (hb_font_t *font)
* variation-axis settings on the @font.
* This call is fast if nothing has changed on @font.
*
* Note that as of version REPLACEME, calling this function is not necessary,
* as HarfBuzz will automatically detect changes to the font and update
* the underlying FT_Face as needed.
*
* Return value: true if changed, false otherwise
*
* Since: 4.4.0