[gegl] gegl-sampler.c: reduce the top and left headroom by two thirds

[Nicolas Robidoux <nrobidoux src gnome org>]

commit 2bd67abb8f588514ea0b293c58b58275f8f4241d
Author: Nicolas Robidoux <nrobidoux git gnome org>
Date:   Mon Dec 3 20:20:36 2012 -0500

    gegl-sampler.c: reduce the top and left headroom by two thirds

 gegl/buffer/gegl-sampler.c |   12 ++++++------
 1 files changed, 6 insertions(+), 6 deletions(-)
---
diff --git a/gegl/buffer/gegl-sampler.c b/gegl/buffer/gegl-sampler.c
index 21bb5a3..4ebed0f 100644
--- a/gegl/buffer/gegl-sampler.c
+++ b/gegl/buffer/gegl-sampler.c
@@ -259,10 +259,10 @@ gegl_sampler_get_ptr (GeglSampler *const sampler,
        */
       fetch_rectangle.x =
         x + sampler->context_rect[0].x
-        - ( maximum_width_and_height - sampler->context_rect[0].width  ) / 8;
+        - ( maximum_width_and_height - sampler->context_rect[0].width  ) / 4;
       fetch_rectangle.y =
         y + sampler->context_rect[0].y
-        - ( maximum_width_and_height - sampler->context_rect[0].height ) / 8;
+        - ( maximum_width_and_height - sampler->context_rect[0].height ) / 4;
 
       fetch_rectangle.width  = maximum_width_and_height;
       fetch_rectangle.height = maximum_width_and_height;
@@ -336,9 +336,9 @@ gegl_sampler_get_from_buffer (GeglSampler *const sampler,
       GeglRectangle fetch_rectangle;
 
       fetch_rectangle.x =
-        x - ( maximum_width_and_height - sampler->context_rect[0].width  ) / 8;
+        x - ( maximum_width_and_height - sampler->context_rect[0].width  ) / 4;
       fetch_rectangle.y =
-        y - ( maximum_width_and_height - sampler->context_rect[0].height ) / 8;
+        y - ( maximum_width_and_height - sampler->context_rect[0].height ) / 4;
 
       fetch_rectangle.width  = maximum_width_and_height;
       fetch_rectangle.height = maximum_width_and_height;
@@ -432,10 +432,10 @@ gegl_sampler_get_from_mipmap (GeglSampler *const sampler,
        */
       fetch_rectangle.x =
         x + sampler->context_rect[level].x
-        - ( maximum_width_and_height - sampler->context_rect[level].width  ) / 8;
+        - ( maximum_width_and_height - sampler->context_rect[level].width  ) / 4;
       fetch_rectangle.y =
         y + sampler->context_rect[level].y
-        - ( maximum_width_and_height - sampler->context_rect[level].height ) / 8;
+        - ( maximum_width_and_height - sampler->context_rect[level].height ) / 4;
 
       fetch_rectangle.width  = maximum_width_and_height;
       fetch_rectangle.height = maximum_width_and_height;