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[quartz] Store the CGFontRef and reuse it for rendering

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Previously the CGFontRef was recreated each time in show_glyphs; this
caused the font to get re-embedded in any PDF files that were being
generated through Quartz.
This commit is contained in:
Vladimir Vukicevic 2008-01-15 14:27:14 -08:00 • committed by Vladimir Vukicevic
parent 968eaf3c44
commit 57c2b75c22
3 changed files with 23 additions and 8 deletions
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18
src/cairo-atsui-font.c
View file

@ -87,6 +87,7 @@ struct _cairo_atsui_font {
Fixed size;
CGAffineTransform font_matrix;
CGFontRef cgfref;
};
struct _cairo_atsui_font_face {
@ -299,6 +300,7 @@ _cairo_atsui_font_create_scaled (cairo_font_face_t *font_face,
status = _cairo_atsui_font_set_metrics (font);
font->cgfref = 0;
FAIL:
if (status) {
if (font) {
@ -447,6 +449,9 @@ _cairo_atsui_font_fini(void *abstract_font)
ATSUDisposeStyle(font->style);
if (font->unscaled_style)
ATSUDisposeStyle(font->unscaled_style);
if (font->cgfref)
CGFontRelease(font->cgfref);
}
static GlyphID
@ -942,6 +947,19 @@ _cairo_atsui_scaled_font_get_atsu_font_id (cairo_scaled_font_t *sfont)
return afont->fontID;
}
CGFontRef
_cairo_atsui_scaled_font_get_cg_font_ref (cairo_scaled_font_t *sfont)
{
cairo_atsui_font_t *afont = (cairo_atsui_font_t *) sfont;
if (!afont->cgfref) {
ATSFontRef atsfref = FMGetATSFontRefFromFont (afont->fontID);
afont->cgfref = CGFontCreateWithPlatformFont (&atsfref);
}
return afont->cgfref;
}
static cairo_int_status_t
_cairo_atsui_load_truetype_table (void *abstract_font,
unsigned long tag,

3
src/cairo-quartz-private.h
View file

@ -72,6 +72,9 @@ _cairo_atsui_scaled_font_get_atsu_style (cairo_scaled_font_t *sfont);
ATSUFontID
_cairo_atsui_scaled_font_get_atsu_font_id (cairo_scaled_font_t *sfont);
CGFontRef
_cairo_atsui_scaled_font_get_cg_font_ref (cairo_scaled_font_t *sfont);
#endif /* CAIRO_HAS_ATSUI_FONT */
#endif /* CAIRO_QUARTZ_PRIVATE_H */

10
src/cairo-quartz-surface.c
View file

@ -1524,9 +1524,6 @@ _cairo_quartz_surface_show_glyphs (void *abstract_surface,
int num_glyphs,
cairo_scaled_font_t *scaled_font)
{
ATSUFontID fid;
ATSFontRef atsfref;
CGFontRef cgfref;
CGAffineTransform cairoTextTransform, textTransform, ctm;
// XXXtodo/perf: stack storage for glyphs/sizes
#define STATIC_BUF_SIZE 64
@ -1568,12 +1565,9 @@ _cairo_quartz_surface_show_glyphs (void *abstract_surface,
CGContextSetCompositeOperation (surface->cgContext, _cairo_quartz_cairo_operator_to_quartz (op));
fid = _cairo_atsui_scaled_font_get_atsu_font_id (scaled_font);
atsfref = FMGetATSFontRefFromFont (fid);
cgfref = CGFontCreateWithPlatformFont (&atsfref);
/* this doesn't addref */
CGFontRef cgfref = _cairo_atsui_scaled_font_get_cg_font_ref (scaled_font);
CGContextSetFont (surface->cgContext, cgfref);
CGFontRelease (cgfref);
/* So this should include the size; I don't know if I need to extract the
* size from this and call CGContextSetFontSize.. will I get crappy hinting