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[USE_CG_TEXT_DRAWING] (cg_text_anti_aliasing_threshold): New variable.

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[USE_CG_TEXT_DRAWING] (init_cg_text_anti_aliasing_threshold): New function.
(init_font_name_table) [USE_ATSUI && USE_CG_TEXT_DRAWING]: Use it.
[USE_CG_TEXT_DRAWING] (mac_draw_string_cg): Don't do antialiasing if
font size is smaller than or equal to cg_text_anti_aliasing_threshold.
This commit is contained in:
YAMAMOTO Mitsuharu 2005-11-19 06:35:19 +00:00
parent ed256b3057
commit 6b9ad469e2
1 changed files with 18 additions and 0 deletions
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18
src/macterm.c
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@ -867,6 +867,19 @@ mac_draw_image_string_16 (f, gc, x, y, buf, nchars)
#if USE_CG_TEXT_DRAWING
static XCharStruct *x_per_char_metric P_ ((XFontStruct *, XChar2b *));
static int cg_text_anti_aliasing_threshold = 8;
static void
init_cg_text_anti_aliasing_threshold ()
{
Lisp_Object val =
Fmac_get_preference (build_string ("AppleAntiAliasingThreshold"),
Qnil, Qnil, Qnil);
if (INTEGERP (val))
cg_text_anti_aliasing_threshold = XINT (val);
}
static int
mac_draw_string_cg (f, gc, x, y, buf, nchars)
struct frame *f;
@ -915,6 +928,8 @@ mac_draw_string_cg (f, gc, x, y, buf, nchars)
1.0);
CGContextSetFont (context, GC_FONT (gc)->cg_font);
CGContextSetFontSize (context, GC_FONT (gc)->mac_fontsize);
if (GC_FONT (gc)->mac_fontsize <= cg_text_anti_aliasing_threshold)
CGContextSetShouldAntialias (context, false);
#if MAC_OS_X_VERSION_MAX_ALLOWED >= 1030
CGContextSetTextPosition (context, gx, gy);
CGContextShowGlyphsWithAdvances (context, glyphs, advances, nchars);
@ -6784,6 +6799,9 @@ init_font_name_table ()
text_encoding_info_alist = create_text_encoding_info_alist ();
#if USE_ATSUI
#if USE_CG_TEXT_DRAWING
init_cg_text_anti_aliasing_threshold ();
#endif
if (!NILP (assq_no_quit (make_number (kTextEncodingMacUnicode),
text_encoding_info_alist)))
{