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Reject font values that are invalid for pango

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Use pango to parse font configuration early, and reject the command as
invalid if the value is invalid for pango. Since we're already parsing
the font into a `PangoFontDescription`, keep that instance around and
avoid re-parsing the font each time we render text.

Fixes: https://github.com/swaywm/sway/issues/6805
This commit is contained in:
Hugo Osvaldo Barrera 2022-06-29 21:38:24 +02:00 • committed by Simon Ser
parent 9e8866ae20
commit 75605491a5
5 changed files with 30 additions and 6 deletions
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2
include/pango.h
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@ -17,7 +17,7 @@ PangoLayout *get_pango_layout(cairo_t *cairo, const char *font,
const char *text, double scale, bool markup);
void get_text_size(cairo_t *cairo, const char *font, int *width, int *height,
int *baseline, double scale, bool markup, const char *fmt, ...);
void get_text_metrics(const char *font, int *height, int *baseline);
void get_text_metrics(const PangoFontDescription *font, int *height, int *baseline);
void render_text(cairo_t *cairo, const char *font,
double scale, bool markup, const char *fmt, ...);