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cff2: Implement paint_glyph

This commit is contained in:
Matthias Clasen 2022-12-16 23:46:15 -05:00 committed by Behdad Esfahbod
parent df89b52130
commit 3e39dd492b
2 changed files with 23 additions and 0 deletions
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21
src/hb-ot-cff2-table.cc
View File

@ -143,6 +143,27 @@ bool OT::cff2::accelerator_t::get_extents (hb_font_t *font,
return true;
}
bool OT::cff2::accelerator_t::paint_glyph (hb_font_t *font, hb_codepoint_t glyph, hb_paint_funcs_t *funcs, void *data) const
{
int xscale, yscale;
unsigned int upem;
hb_font_get_scale (font, &xscale, &yscale);
upem = hb_face_get_upem (hb_font_get_face (font));
funcs->push_transform (data, xscale/(float)upem, 0,
0, yscale/(float)upem,
0, 0);
funcs->push_clip_glyph (data, glyph);
funcs->color (data, 0xffff, 1.);
funcs->pop_clip (data);
funcs->pop_transform (data);
return false;
}
struct cff2_path_param_t
{
cff2_path_param_t (hb_font_t *font_, hb_draw_session_t &draw_session_)

2
src/hb-ot-cff2-table.hh
View File

@ -30,6 +30,7 @@
#include "hb-ot-cff-common.hh"
#include "hb-subset-cff2.hh"
#include "hb-draw.hh"
#include "hb-paint.hh"
namespace CFF {
@ -516,6 +517,7 @@ struct cff2
HB_INTERNAL bool get_extents (hb_font_t *font,
hb_codepoint_t glyph,
hb_glyph_extents_t *extents) const;
HB_INTERNAL bool paint_glyph (hb_font_t *font, hb_codepoint_t glyph, hb_paint_funcs_t *funcs, void *data) const;
HB_INTERNAL bool get_path (hb_font_t *font, hb_codepoint_t glyph, hb_draw_session_t &draw_session) const;
};