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GtkCssProvider: Parse alpha() symbolic colors.

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The "alpha" symbolic color modifies a passed color's alpha by a factor,
the syntax would accept things like:

background-color: alpha (@bg_color, 0.8);
foreground-color: alpha (shade (@fg_color, 0.8), 0.5);
This commit is contained in:
Carlos Garnacho 2010-10-25 20:44:15 +02:00
parent ca44965f33
commit 51b742044a
1 changed files with 14 additions and 3 deletions
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17
gtk/gtkcssprovider.c
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@ -1583,12 +1583,19 @@ symbolic_color_parse_str (const gchar *string,
*end_ptr = (gchar *) end; *end_ptr = (gchar *) end;
} }
else if (g_str_has_prefix (str, "shade")) else if (g_str_has_prefix (str, "shade") ||
g_str_has_prefix (str, "alpha"))
{ {
GtkSymbolicColor *param_color; GtkSymbolicColor *param_color;
gboolean is_shade = FALSE;
gdouble factor; gdouble factor;
str += strlen ("shade"); is_shade = g_str_has_prefix (str, "shade");
if (is_shade)
str += strlen ("shade");
else
str += strlen ("alpha");
SKIP_SPACES (str); SKIP_SPACES (str);
@ -1629,7 +1636,11 @@ symbolic_color_parse_str (const gchar *string,
return NULL; return NULL;
} }
symbolic_color = gtk_symbolic_color_new_shade (param_color, factor); if (is_shade)
symbolic_color = gtk_symbolic_color_new_shade (param_color, factor);
else
symbolic_color = gtk_symbolic_color_new_alpha (param_color, factor);
gtk_symbolic_color_unref (param_color); gtk_symbolic_color_unref (param_color);
(*end_ptr)++; (*end_ptr)++;
} }