New function: xr_draw_eps_chart

diff --git a/src/output/cairo.c b/src/output/cairo.c
index 2bfa3228a17a7c1eaaf61cb7ef8b696a91427b5d..3be0655fa7d1281ca401a59835c84f7a9e354aa5 100644 (file)
--- a/src/output/cairo.c
+++ b/src/output/cairo.c
@@ -2050,10 +2050,10 @@ xr_draw_png_chart (const struct chart_item *item,
 
   number_pos = strchr (file_name_template, '#');
   if (number_pos != NULL)
-    file_name = xasprintf ("%.*s%d%s", (int) (number_pos - file_name_template),
+    file_name = xasprintf ("%.*s%d%s.png", (int) (number_pos - file_name_template),
                            file_name_template, number, number_pos + 1);
   else
-    file_name = xstrdup (file_name_template);
+    file_name = xasprintf ("%s.png", file_name_template);
 
   surface = cairo_image_surface_create (CAIRO_FORMAT_RGB24, width, length);
   cr = cairo_create (surface);
@@ -2075,7 +2075,48 @@ xr_draw_png_chart (const struct chart_item *item,
 
   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;
+}
+
 \f
+
 struct xr_table_state
   {
     struct xr_render_fsm fsm;

diff --git a/src/output/cairo.h b/src/output/cairo.h
index a13154b550d19d8a37f97e9ef9905449f1ff1b88..8b5455dfd6d6e5466147fe8f7718c3f2b1f8d4f5 100644 (file)
--- a/src/output/cairo.h
+++ b/src/output/cairo.h
@@ -96,6 +96,12 @@ char *xr_draw_png_chart (const struct chart_item *,
                          const struct cell_color *fg,
                         const struct cell_color *bg);
 
+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);
+
+
 /* Render to a svg file */
 bool xr_draw_svg_file (struct xr_rendering *r,
                       const char *filename);

diff --git a/src/output/options.c b/src/output/options.c
index 4a066de372075180eb55b408696532f0a1136da3..43a0f1c0b895ca3aa16f93699703d298d0a3656e 100644 (file)
--- a/src/output/options.c
+++ b/src/output/options.c
@@ -288,7 +288,7 @@ default_chart_file_name (const char *file_name)
     {
       const char *extension = strrchr (file_name, '.');
       int stem_length = extension ? extension - file_name : strlen (file_name);
-      return xasprintf ("%.*s-#.png", stem_length, file_name);
+      return xasprintf ("%.*s-#", stem_length, file_name);
     }
   else
     return NULL;