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Temporarily changing locale to C while generating the SVG image 

With locales that have a character other than dot as a decimal separator,
the generated SVG is messed up (due to a libxml2 bug)
This commit is contained in:
Gergely Polonkai 2013-09-19 23:14:37 +02:00
parent 3c3a09143b
commit a154118b6f
1 changed files with 8 additions and 0 deletions
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8
src/ag-chart.c
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@ -6,6 +6,7 @@
#include <libxslt/xsltInternals.h>
#include <libxslt/transform.h>
#include <swe-glib.h>
#include <locale.h>
#include "ag-chart.h"
@ -686,6 +687,7 @@ ag_chart_create_svg(AgChart *chart, GError **err)
gint save_length;
GFile *xslt_file;
xsltStylesheetPtr xslt_proc;
locale_t current_locale;
root_node = xmlDocGetRootElement(doc);
@ -855,7 +857,13 @@ ag_chart_create_svg(AgChart *chart, GError **err)
return NULL;
}
// libxml2 messes up the output, as it prints decimal floating point
// numbers in a localized format. It is not good in locales that use a
// character for decimal separator other than a dot. So let's just use the
// C locale until the SVG is generated.
current_locale = uselocale(newlocale(LC_ALL, "C", 0));
svg_doc = xsltApplyStylesheet(xslt_proc, doc, NULL);
uselocale(current_locale);
g_free(stylesheet_path);
xsltFreeStylesheet(xslt_proc);
xmlFreeDoc(doc);