[gegl/samplers] sampler: tweak of the check for whether the requested context_rect fits within the current sampler_r

[Nicolas Robidoux <nrobidoux src gnome org>]

commit 7353fadb9ee747c68d589096c8c4f60ef8143ee5
Author: Nicolas Robidoux <nicolas robidoux gmail com>
Date:   Tue Jun 28 09:30:47 2011 -0400

    sampler: tweak of the check for whether the requested context_rect fits within the current sampler_rectangle + copyright

 gegl/buffer/gegl-sampler.c |   14 ++++++++------
 1 files changed, 8 insertions(+), 6 deletions(-)
---
diff --git a/gegl/buffer/gegl-sampler.c b/gegl/buffer/gegl-sampler.c
index 4409e63..68c5133 100644
--- a/gegl/buffer/gegl-sampler.c
+++ b/gegl/buffer/gegl-sampler.c
@@ -15,6 +15,8 @@
  * <http://www.gnu.org/licenses/>.
  *
  * 2007 Â Ãyvind KolÃs
+ * 2009 Â Nicolas Robidoux
+ * 2011 Â Adam Turcotte
  */
 #include "config.h"
 
@@ -245,10 +247,10 @@ gegl_sampler_get_ptr (GeglSampler *const sampler,
       ( y + sampler->context_rect[0].y < sampler->sampler_rectangle[0].y )
       ||
       ( x + sampler->context_rect[0].x + sampler->context_rect[0].width
-        >= sampler->sampler_rectangle[0].x + sampler->sampler_rectangle[0].width )
+        > sampler->sampler_rectangle[0].x + sampler->sampler_rectangle[0].width )
       ||
       ( y + sampler->context_rect[0].y + sampler->context_rect[0].height
-        >= sampler->sampler_rectangle[0].y + sampler->sampler_rectangle[0].height ))
+        > sampler->sampler_rectangle[0].y + sampler->sampler_rectangle[0].height ))
     {
       /*
        * fetch_rectangle will become the value of
@@ -335,9 +337,9 @@ gegl_sampler_get_from_buffer (GeglSampler *const sampler,
       ||
       ( y < sampler->sampler_rectangle[0].y )
       ||
-      ( x >= sampler->sampler_rectangle[0].x + sampler->sampler_rectangle[0].width )
+      ( x > sampler->sampler_rectangle[0].x + sampler->sampler_rectangle[0].width )
       ||
-      ( y >= sampler->sampler_rectangle[0].y + sampler->sampler_rectangle[0].height ))
+      ( y > sampler->sampler_rectangle[0].y + sampler->sampler_rectangle[0].height ))
     {
       /*
        * fetch_rectangle will become the value of
@@ -413,10 +415,10 @@ gegl_sampler_get_from_mipmap (GeglSampler *const sampler,
       ( y + sampler->context_rect[level].y < sampler->sampler_rectangle[level].y )
       ||
       ( x + sampler->context_rect[level].x + sampler->context_rect[level].width
-        >= sampler->sampler_rectangle[level].x + sampler->sampler_rectangle[level].width )
+        > sampler->sampler_rectangle[level].x + sampler->sampler_rectangle[level].width )
       ||
       ( y + sampler->context_rect[level].y + sampler->context_rect[level].height
-        >= sampler->sampler_rectangle[level].y + sampler->sampler_rectangle[level].height ))
+        > sampler->sampler_rectangle[level].y + sampler->sampler_rectangle[level].height ))
     {
       /*
        * fetch_rectangle will become the value of