From 9d87496f1078b5d993a5455b402041b98e3bbc0e Mon Sep 17 00:00:00 2001
From: Arthur Taylor <theycallhimart@gmail.com>
Date: Mon, 9 Apr 2007 01:44:42 +0000
Subject: adjusted the rounded corners so that they fit nicely with the arcs
 around

2007-04-08  Arthur Taylor  <theycallhimart@gmail.com>

        * src/frames.c (meta_frames_apply_shapes): adjusted the rounded
          corners so that they fit nicely with the arcs around them.
          Fixes #399373.


svn path=/branches/gnome-2-18/; revision=3177
---
 ChangeLog    |  6 ++++++
 src/frames.c | 32 ++++++++++++++++++--------------
 2 files changed, 24 insertions(+), 14 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index 5777629b..2fd8c8b9 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2007-04-08  Arthur Taylor  <theycallhimart@gmail.com>
+
+        * src/frames.c (meta_frames_apply_shapes): adjusted the rounded
+          corners so that they fit nicely with the arcs around them.
+	  Fixes #399373.
+
 2007-04-04  Elijah Newren  <newren gmail com>
 
 	* configure.in: post-release version bump to 2.18.2
diff --git a/src/frames.c b/src/frames.c
index d6e953b8..caceb709 100644
--- a/src/frames.c
+++ b/src/frames.c
@@ -788,12 +788,13 @@ meta_frames_apply_shapes (MetaFrames *frames,
   
   if (fgeom.top_left_corner_rounded_radius != 0)
     {
-      const int radius = fgeom.top_left_corner_rounded_radius;
+      const int corner = fgeom.top_left_corner_rounded_radius;
+      const float radius = sqrt(corner) + corner;
       int i;
 
-      for (i=0; i<radius; i++)
+      for (i=0; i<corner; i++)
         {
-          const int width = 1 + (radius - floor(sqrt(radius*radius - (radius-i)*(radius-i)) + 0.5));
+          const int width = floor(0.5 + radius - sqrt(radius*radius - (radius-(i+0.5))*(radius-(i+0.5))));
           xrect.x = 0;
           xrect.y = i;
           xrect.width = width;
@@ -805,12 +806,13 @@ meta_frames_apply_shapes (MetaFrames *frames,
 
   if (fgeom.top_right_corner_rounded_radius != 0)
     {
-      const int radius = fgeom.top_right_corner_rounded_radius;
+      const int corner = fgeom.top_right_corner_rounded_radius;
+      const float radius = sqrt(corner) + corner;
       int i;
 
-      for (i=0; i<radius; i++)
+      for (i=0; i<corner; i++)
         {
-          const int width = 1 + (radius - floor(sqrt(radius*radius - (radius-i)*(radius-i)) + 0.5));
+          const int width = floor(0.5 + radius - sqrt(radius*radius - (radius-(i+0.5))*(radius-(i+0.5))));
           xrect.x = new_window_width - width;
           xrect.y = i;
           xrect.width = width;
@@ -822,14 +824,15 @@ meta_frames_apply_shapes (MetaFrames *frames,
 
   if (fgeom.bottom_left_corner_rounded_radius != 0)
     {
-      const int radius = fgeom.bottom_left_corner_rounded_radius;
+      const int corner = fgeom.bottom_left_corner_rounded_radius;
+      const float radius = sqrt(corner) + corner;
       int i;
 
-      for (i=0; i<radius; i++)
+      for (i=0; i<corner; i++)
         {
-          const int width = 1 + (radius - floor(sqrt(radius*radius - (radius-i)*(radius-i)) + 0.5));
+          const int width = floor(0.5 + radius - sqrt(radius*radius - (radius-(i+0.5))*(radius-(i+0.5))));
           xrect.x = 0;
-          xrect.y = new_window_height - i;
+          xrect.y = new_window_height - i - 1;
           xrect.width = width;
           xrect.height = 1;
           
@@ -839,14 +842,15 @@ meta_frames_apply_shapes (MetaFrames *frames,
 
   if (fgeom.bottom_right_corner_rounded_radius != 0)
     {
-      const int radius = fgeom.bottom_right_corner_rounded_radius;
+      const int corner = fgeom.bottom_right_corner_rounded_radius;
+      const float radius = sqrt(corner) + corner;
       int i;
 
-      for (i=0; i<radius; i++)
+      for (i=0; i<corner; i++)
         {
-          const int width = 1 + (radius - floor(sqrt(radius*radius - (radius-i)*(radius-i)) + 0.5));
+          const int width = floor(0.5 + radius - sqrt(radius*radius - (radius-(i+0.5))*(radius-(i+0.5))));
           xrect.x = new_window_width - width;
-          xrect.y = new_window_height - i;
+          xrect.y = new_window_height - i - 1;
           xrect.width = width;
           xrect.height = 1;
           
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