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Cairo: Default font hinting to off when GSScaleFactor is set to values other than 1.0

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This commit is contained in:
anthony 2022-01-24 09:56:03 +00:00
parent d7cfebe169
commit 20182c8ec8
1 changed files with 13 additions and 1 deletions
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14
Source/cairo/CairoFontInfo.m
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@ -48,6 +48,7 @@ void set_font_options(cairo_font_options_t *options)
cairo_hint_metrics_t metrics = CAIRO_HINT_METRICS_ON;
cairo_hint_style_t style = CAIRO_HINT_STYLE_NONE;
int hinting = [ud integerForKey: @"GSFontHinting"];
float scale = [ud floatForKey: @"GSScaleFactor"];
int subpixel = 0;
if (hinting == 0)
@ -58,7 +59,18 @@ void set_font_options(cairo_font_options_t *options)
*/
if (nil == [ud objectForKey: @"GSFontHinting"])
{
hinting = 33;
/*
* Default hinting to off if scale is set to something other than 1.0. As
* hinting + scaling breaks assumptions about glyph advancement made in gui.
*/
if (scale == 0.0f || scale == 1.0f)
{
hinting = 33;
}
else
{
hinting = 17;
}
}
}