Added hack to save ink, by not printing within CD holes.

git-svn-id: https://glabels.svn.sourceforge.net/svnroot/glabels/trunk@288 f5e0f49d-192f-0410-a22d-a8d8700d0965

diff --git a/glabels2/src/print.c b/glabels2/src/print.c
index 5deb84801b8d845b7685fa7c112808ebf247bfe2..9e96dccc158fefd49ec6eb92ac6e5bd4cdcae29e 100644 (file)
--- a/glabels2/src/print.c
+++ b/glabels2/src/print.c
@@ -126,6 +126,9 @@ static void       draw_outline                (PrintInfo        *pi,
 static void       clip_to_outline             (PrintInfo        *pi,
                                               glLabel          *label);
 
+static void       clip_punchouts              (PrintInfo        *pi,
+                                              glLabel          *label);
+
 
 static void       create_rectangle_path         (GnomePrintContext *pc,
                                                 gdouble            x0,
@@ -511,11 +514,13 @@ print_label (PrintInfo     *pi,
                gnome_print_translate (pi->pc, width, 0.0);
                gnome_print_scale (pi->pc, -1.0, 1.0);
        }
+
+       clip_to_outline (pi, label);
+       draw_label (pi, label, record);
        if (outline_flag) {
                draw_outline (pi, label);
        }
-       clip_to_outline (pi, label);
-       draw_label (pi, label, record);
+       clip_punchouts (pi, label);
 
        gnome_print_grestore (pi->pc);
 
@@ -1092,6 +1097,51 @@ clip_to_outline (PrintInfo *pi,
        gl_debug (DEBUG_PRINT, "END");
 }
 
+/*---------------------------------------------------------------------------*/
+/* PRIVATE.  Clip punchouts.  (Save some ink by not printing in CD holes)    */
+/*                                                                           */
+/* Ideally this would be done in clip_to_outline, but I am not sure how to   */
+/* invert the region for gnome_print_clip, so instead, I will just draw      */
+/* a white circle on top of everything else.                                 */
+/*---------------------------------------------------------------------------*/
+static void
+clip_punchouts (PrintInfo *pi,
+               glLabel   *label)
+{
+       gdouble r1, r2;
+       gdouble waste;
+       glTemplate *template;
+
+       gl_debug (DEBUG_PRINT, "START");
+
+       template = gl_label_get_template (label);
+
+       switch (template->label.style) {
+
+       case GL_TEMPLATE_STYLE_RECT:
+       case GL_TEMPLATE_STYLE_ROUND:
+               break;
+
+       case GL_TEMPLATE_STYLE_CD:
+               waste = template->label.cd.waste;
+               r1    = template->label.cd.r1;
+               r2    = template->label.cd.r2;
+               create_ellipse_path (pi->pc, r1, r1, r2-waste, r2-waste);
+               gnome_print_setrgbcolor (pi->pc, 1.0, 1.0, 1.0);
+               gnome_print_setopacity (pi->pc, 1.0);
+               gnome_print_fill (pi->pc);
+               break;
+
+       default:
+               g_warning ("Unknown template label style");
+               break;
+       }
+
+       gl_template_free (&template);
+
+       gl_debug (DEBUG_PRINT, "END");
+}
+
 /*---------------------------------------------------------------------------*/
 /* PRIVATE.  Path creation utilities.                                        */
 /*---------------------------------------------------------------------------*/