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text: keep fonts usable if the current one becomes missing 

If a font is being used and becomes missing all other fonts become
unusable, setting the fontconfig object to the pango fontmap
fixes this.
This commit is contained in:
Idriss Fekir 2024-05-21 18:59:09 +01:00 committed by user062
parent fe32265b61
commit 73557d011b
2 changed files with 14 additions and 0 deletions
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7
app/text/gimptext-compat.c
View File

@ -23,6 +23,8 @@
#include <gegl.h>
#include <gdk-pixbuf/gdk-pixbuf.h>
#include <pango/pangocairo.h>
#include <pango/pangofc-fontmap.h>
#include <fontconfig/fontconfig.h>
#include "libgimpcolor/gimpcolor.h"
@ -154,6 +156,11 @@ text_get_extents (Gimp *gimp,
g_error ("You are using a Pango that has been built against a cairo "
"that lacks the Freetype font backend");
/* In case a font becomes missing mid-session and is chosen (or is already in use)
* pango substitutes EVERY font for the default font, to avoid this
* the FcConfig has to be set everytime a pango fontmap is created
*/
pango_fc_font_map_set_config (PANGO_FC_FONT_MAP (fontmap), FcConfigGetCurrent ());
pango_cairo_font_map_set_resolution (PANGO_CAIRO_FONT_MAP (fontmap),
72.0); /* FIXME: resolution */
context = pango_font_map_create_context (fontmap);

7
app/text/gimptextlayout.c
View File

@ -25,6 +25,8 @@
#include <gegl.h>
#include <gdk-pixbuf/gdk-pixbuf.h>
#include <pango/pangocairo.h>
#include <pango/pangofc-fontmap.h>
#include <fontconfig/fontconfig.h>
#include "libgimpbase/gimpbase.h"
#include "libgimpcolor/gimpcolor.h"
@ -856,6 +858,11 @@ gimp_text_get_pango_context (GimpText *text,
g_error ("You are using a Pango that has been built against a cairo "
"that lacks the Freetype font backend");
/* In case a font becomes missing mid-session and is chosen (or is already in use)
* pango substitutes EVERY font for the default font, to avoid this
* the FcConfig has to be set everytime a pango fontmap is created
*/
pango_fc_font_map_set_config (PANGO_FC_FONT_MAP (fontmap), FcConfigGetCurrent ());
pango_cairo_font_map_set_resolution (PANGO_CAIRO_FONT_MAP (fontmap), yres);
context = pango_font_map_create_context (fontmap);