-static void
-xr_draw_chart (const struct chart_item *chart_item, cairo_t *cr,
- double x, double y, double width, double height)
-{
- struct xrchart_geometry geom;
-
- cairo_save (cr);
- cairo_translate (cr, x, y + height);
- cairo_scale (cr, 1.0, -1.0);
- xrchart_geometry_init (cr, &geom, width, height);
- if (is_boxplot (chart_item))
- xrchart_draw_boxplot (chart_item, cr, &geom);
- else if (is_histogram_chart (chart_item))
- xrchart_draw_histogram (chart_item, cr, &geom);
- else if (is_np_plot_chart (chart_item))
- xrchart_draw_np_plot (chart_item, cr, &geom);
- else if (is_piechart (chart_item))
- xrchart_draw_piechart (chart_item, cr, &geom);
- else if (is_barchart (chart_item))
- xrchart_draw_barchart (chart_item, cr, &geom);
- else if (is_roc_chart (chart_item))
- xrchart_draw_roc (chart_item, cr, &geom);
- else if (is_scree (chart_item))
- xrchart_draw_scree (chart_item, cr, &geom);
- else if (is_spreadlevel_plot_chart (chart_item))
- xrchart_draw_spreadlevel (chart_item, cr, &geom);
- else if (is_scatterplot_chart (chart_item))
- xrchart_draw_scatterplot (chart_item, cr, &geom);
- else
- NOT_REACHED ();
- xrchart_geometry_free (cr, &geom);
-
- cairo_restore (cr);
-}
-
-char *
-xr_draw_png_chart (const struct chart_item *item,
- const char *file_name_template, int number,
- const struct cell_color *fg,
- const struct cell_color *bg)
-{
- const int width = 640;
- const int length = 480;
-
- cairo_surface_t *surface;
- cairo_status_t status;
- const char *number_pos;
- char *file_name;
- cairo_t *cr;
-
- number_pos = strchr (file_name_template, '#');
- if (number_pos != NULL)
- file_name = xasprintf ("%.*s%d%s.png", (int) (number_pos - file_name_template),
- file_name_template, number, number_pos + 1);
- else
- file_name = xasprintf ("%s.png", file_name_template);
-
- surface = cairo_image_surface_create (CAIRO_FORMAT_RGB24, width, length);
- cr = cairo_create (surface);
-
- cairo_set_source_rgb (cr, bg->r / 255.0, bg->g / 255.0, bg->b / 255.0);
- cairo_paint (cr);
-
- cairo_set_source_rgb (cr, fg->r / 255.0, fg->g / 255.0, fg->b / 255.0);
-
- xr_draw_chart (item, cr, 0.0, 0.0, width, length);
-
- status = cairo_surface_write_to_png (surface, file_name);
- if (status != CAIRO_STATUS_SUCCESS)
- msg (ME, _("error writing output file `%s': %s"),
- file_name, cairo_status_to_string (status));
-
- cairo_destroy (cr);
- cairo_surface_destroy (surface);
-
- return file_name;
-}
-
-
-char *
-xr_draw_eps_chart (const struct chart_item *item,
- const char *file_name_template, int number,
- const struct cell_color *fg,
- const struct cell_color *bg)
-{
- const int width = 640;
- const int length = 480;
-
- cairo_surface_t *surface;
- const char *number_pos;
- char *file_name;
- cairo_t *cr;
-
- number_pos = strchr (file_name_template, '#');
- if (number_pos != NULL)
- file_name = xasprintf ("%.*s%d%s.eps", (int) (number_pos - file_name_template),
- file_name_template, number, number_pos + 1);
- else
- file_name = xasprintf ("%s.eps", file_name_template);
-
- surface = cairo_ps_surface_create (file_name, width, length);
- cairo_ps_surface_set_eps (surface, true);
- cr = cairo_create (surface);
-
- cairo_set_source_rgb (cr, bg->r / 255.0, bg->g / 255.0, bg->b / 255.0);
- cairo_paint (cr);
-
- cairo_set_source_rgb (cr, fg->r / 255.0, fg->g / 255.0, fg->b / 255.0);
-
- xr_draw_chart (item, cr, 0.0, 0.0, width, length);
-
- cairo_destroy (cr);
- cairo_surface_destroy (surface);
-
- return file_name;
-}
-