[gimp/metadata-browser] plug-ins: make preview grid lines less blurry in map-object

[Roman Joost <romanofski src gnome org>]

commit e6aac4ab1390274f83507a9cfea25f9e0bc6cd85
Author: Mikael Magnusson <mikachu src gnome org>
Date:   Wed Feb 22 21:00:52 2012 +0100

    plug-ins: make preview grid lines less blurry in map-object

 plug-ins/map-object/map-object-preview.c |   20 ++++++++++----------
 1 files changed, 10 insertions(+), 10 deletions(-)
---
diff --git a/plug-ins/map-object/map-object-preview.c b/plug-ins/map-object/map-object-preview.c
index d9a20b1..d3a0b33 100644
--- a/plug-ins/map-object/map-object-preview.c
+++ b/plug-ins/map-object/map-object-preview.c
@@ -430,16 +430,16 @@ draw_wireframe_plane (cairo_t *cr,
       gimp_vector_3d_to_2d (startx, starty, pw, ph,
                             &x2, &y2, &mapvals.viewpoint, &b);
 
-      cairo_move_to (cr, RINT (x1), RINT (y1));
-      cairo_line_to (cr, RINT (x2), RINT (y2));
+      cairo_move_to (cr, RINT (x1) + 0.5, RINT (y1) + 0.5);
+      cairo_line_to (cr, RINT (x2) + 0.5, RINT (y2) + 0.5);
 
       gimp_vector_3d_to_2d (startx, starty, pw, ph,
                             &x1, &y1, &mapvals.viewpoint, &c);
       gimp_vector_3d_to_2d (startx, starty, pw, ph,
                             &x2, &y2, &mapvals.viewpoint, &d);
 
-      cairo_move_to (cr, RINT (x1), RINT (y1));
-      cairo_line_to (cr, RINT (x2), RINT (y2));
+      cairo_move_to (cr, RINT (x1) + 0.5, RINT (y1) + 0.5);
+      cairo_line_to (cr, RINT (x2) + 0.5, RINT (y2) + 0.5);
 
       gimp_vector3_sub (&a, &a, &dir1);
       gimp_vector3_sub (&b, &b, &dir1);
@@ -540,8 +540,8 @@ draw_wireframe_sphere (cairo_t *cr,
           gimp_vector_3d_to_2d (startx, starty, pw, ph,
                                 &x2, &y2, &mapvals.viewpoint, &p[cnt + 1]);
 
-          cairo_move_to (cr, (gint) (x1 + 0.5), (gint) (y1 + 0.5));
-          cairo_line_to (cr, (gint) (x2 + 0.5), (gint) (y2 + 0.5));
+          cairo_move_to (cr, (gint) (x1 + 0.5) + 0.5, (gint) (y1 + 0.5) + 0.5);
+          cairo_line_to (cr, (gint) (x2 + 0.5) + 0.5, (gint) (y2 + 0.5) + 0.5);
         }
     }
 
@@ -555,8 +555,8 @@ draw_wireframe_sphere (cairo_t *cr,
       gimp_vector_3d_to_2d (startx, starty, pw, ph,
                             &x2, &y2, &mapvals.viewpoint, &p[cnt2 + 1]);
 
-      cairo_move_to (cr, RINT (x1), RINT (y1));
-      cairo_line_to (cr, RINT (x2), RINT (y2));
+      cairo_move_to (cr, RINT (x1) + 0.5, RINT (y1) + 0.5);
+      cairo_line_to (cr, RINT (x2) + 0.5, RINT (y2) + 0.5);
 
       cnt2 += 2;
     }
@@ -588,8 +588,8 @@ draw_line (cairo_t    *cr,
   gimp_vector_3d_to_2d (startx, starty, pw, ph,
                         &x2, &y2, &mapvals.viewpoint, &b);
 
-  cairo_move_to (cr, RINT (x1), RINT (y1));
-  cairo_line_to (cr, RINT (x2), RINT (y2));
+  cairo_move_to (cr, RINT (x1) + 0.5, RINT (y1) + 0.5);
+  cairo_line_to (cr, RINT (x2) + 0.5, RINT (y2) + 0.5);
 }
 
 static void