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* Source/cairo/CairoFontInfo.m: Revert to the old defaults for

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hinting and allow for all possible values to be set.
This commit is contained in:
fredkiefer 2019-12-24 14:10:02 +01:00
parent f409903fb4
commit de86246567
2 changed files with 81 additions and 52 deletions
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5
ChangeLog
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@ -1,3 +1,8 @@
2019-12-24 Fred Kiefer <FredKiefer@gmx.de>
* Source/cairo/CairoFontInfo.m: Revert to the old defaults for
hinting and allow for all possible values to be set.
2019-05-19 Fred Kiefer <FredKiefer@gmx.de>
* Source/cairo/CairoFontInfo.m,

128
Source/cairo/CairoFontInfo.m
View file

@ -42,6 +42,80 @@
#include <fontconfig/fontconfig.h>
#include <fontconfig/fcfreetype.h>
void set_font_options(cairo_font_options_t *options)
{
NSUserDefaults *ud = [NSUserDefaults standardUserDefaults];
cairo_hint_metrics_t metrics = CAIRO_HINT_METRICS_ON;
cairo_hint_style_t style = CAIRO_HINT_STYLE_NONE;
int hinting = [ud integerForKey: @"GSFontHinting"];
int subpixel = 0;
if (hinting == 0)
{
/*
* This could be on purpose or a missing value.
* In the later case use the defaults.
*/
if (nil == [ud objectForKey: @"GSFontHinting"])
{
hinting = 33;
}
}
/*
* This part is only here to debug disabling the use of hinting for
* metrics, because doing so causes menus to get cut off on the right.
*/
switch (hinting >> 4)
{
case 0:
metrics = CAIRO_HINT_METRICS_DEFAULT;
break;
case 1:
metrics = CAIRO_HINT_METRICS_OFF;
break;
case 2:
metrics = CAIRO_HINT_METRICS_ON;
break;
}
switch (hinting & 0x0f)
{
case 0:
style = CAIRO_HINT_STYLE_DEFAULT;
break;
case 1:
style = CAIRO_HINT_STYLE_NONE;
break;
case 2:
style = CAIRO_HINT_STYLE_SLIGHT;
break;
case 3:
style = CAIRO_HINT_STYLE_MEDIUM;
break;
case 4:
style = CAIRO_HINT_STYLE_FULL;
break;
}
cairo_font_options_set_hint_metrics(options, metrics);
cairo_font_options_set_hint_style(options, style);
if ((subpixel = [ud integerForKey: @"back-art-subpixel-text"]))
{
cairo_font_options_set_antialias(options, CAIRO_ANTIALIAS_SUBPIXEL);
if (subpixel == 2)
{
cairo_font_options_set_subpixel_order(options, CAIRO_SUBPIXEL_ORDER_BGR);
}
else
{
cairo_font_options_set_subpixel_order(options, CAIRO_SUBPIXEL_ORDER_RGB);
}
}
}
@implementation CairoFontInfo
- (BOOL) setupAttributes
@ -51,10 +125,6 @@
cairo_matrix_t font_matrix;
cairo_matrix_t ctm;
cairo_font_options_t *options;
cairo_hint_metrics_t metrics = CAIRO_HINT_METRICS_ON;
cairo_hint_style_t style = CAIRO_HINT_STYLE_DEFAULT;
NSUserDefaults *ud = [NSUserDefaults standardUserDefaults];
int hinting = 0, subpixel = 0;
if (![super setupAttributes])
{
@ -81,54 +151,8 @@
{
return NO;
}
if ((hinting = [ud integerForKey: @"GSFontHinting"]))
{ /*
* This part is only here to debug disabling the use of hinting for
* metrics, because doing so causes menus to get cut off on the right.
*/
switch (hinting >> 4)
{
case 1:
metrics = CAIRO_HINT_METRICS_OFF;
break;
case 2:
metrics = CAIRO_HINT_METRICS_ON;
break;
}
switch (hinting & 0x0f)
{
case 1:
style = CAIRO_HINT_STYLE_NONE;
break;
case 2:
style = CAIRO_HINT_STYLE_SLIGHT;
break;
case 3:
style = CAIRO_HINT_STYLE_MEDIUM;
break;
case 4:
style = CAIRO_HINT_STYLE_FULL;
break;
}
}
cairo_font_options_set_hint_metrics(options, metrics);
cairo_font_options_set_hint_style(options, style);
if ((subpixel = [ud integerForKey: @"back-art-subpixel-text"]))
{
cairo_font_options_set_antialias(options, CAIRO_ANTIALIAS_SUBPIXEL);
if (subpixel == 2)
{
cairo_font_options_set_subpixel_order(options, CAIRO_SUBPIXEL_ORDER_BGR);
}
else
{
cairo_font_options_set_subpixel_order(options, CAIRO_SUBPIXEL_ORDER_RGB);
}
}
set_font_options(options);
_scaled = cairo_scaled_font_create(face, &font_matrix, &ctm, options);
cairo_font_options_destroy(options);