#include "xmalloc.h"
#include <string.h>
+#include <stdarg.h>
#include <math.h>
typedef struct _acre_data_point_2d {
return layout;
}
+#define PRINTF_FORMAT(fmt_index, va_index) __attribute__ ((__format__(__printf__, fmt_index, va_index)))
+
+static PangoLayout *
+_create_layout_vprintf (acre_t *acre, const char *fmt, va_list ap)
+{
+ PangoLayout *layout;
+ char *text;
+
+ vasprintf (&text, fmt, ap);
+
+ layout = _create_layout (acre, text);
+
+ free (text);
+
+ return layout;
+}
+
+static PangoLayout *
+_create_layout_printf (acre_t *acre, const char *fmt, ...)
+ PRINTF_FORMAT (2, 3);
+
+static PangoLayout *
+_create_layout_printf (acre_t *acre, const char *fmt, ...)
+{
+ va_list ap;
+ PangoLayout *layout;
+
+ va_start (ap, fmt);
+
+ layout = _create_layout_vprintf (acre, fmt, ap);
+
+ va_end (ap);
+
+ return layout;
+}
+
static void
_destroy_layout (PangoLayout *layout)
{
cairo_save (cr);
{
PangoLayout *layout;
- char *label;
int width, height;
- asprintf (&label, "%g", x);
- layout = _create_layout (acre, label);
- free (label);
+ layout = _create_layout_printf (acre, "%g", x);
cairo_move_to (cr, x, acre->y_axis.min);
cairo_identity_matrix (cr);
pango_layout_get_pixel_size (layout, &width, &height);
cairo_save (cr);
{
PangoLayout *layout;
- char *label;
int width, height;
- asprintf (&label, "%g", y);
- layout = _create_layout (acre, label);
- free (label);
+ layout = _create_layout_printf (acre, "%g", y);
cairo_move_to (cr, acre->x_axis.min, y);
cairo_identity_matrix (cr);
pango_layout_get_pixel_size (layout, &width, &height);