From d8fd3d33a4bd5dc0f647f5999e31d2dacd06e239 Mon Sep 17 00:00:00 2001
From: Yves Rizoud <yrizoud@gmail.com>
Date: Wed, 26 Sep 2012 00:37:49 +0000
Subject: [PATCH] Fix issue 473: Brush-rotate cursor has display issues

git-svn-id: svn://pulkomandy.tk/GrafX2/trunk@2011 416bcca6-2ee7-4201-b75f-2eb2f807beb1
---
 src/graph.c | 21 ++++++++++++---------
 src/graph.h |  2 +-
 2 files changed, 13 insertions(+), 10 deletions(-)

diff --git a/src/graph.c b/src/graph.c
index 4a696e77..15935a6c 100644
--- a/src/graph.c
+++ b/src/graph.c
@@ -1221,7 +1221,7 @@ void Fill_general(byte fill_color)
   }
 
   // Affichage d'un point pour une preview en xor
-  void Pixel_figure_preview_xor(word x_pos,word y_pos,byte color)
+  void Pixel_figure_preview_xor(short x_pos,short y_pos,byte color)
   {
     (void)color; // unused
     
@@ -1783,14 +1783,17 @@ void Draw_line_preview_xor(short start_x,short start_y,short end_x,short end_y,b
   int w, h;
   Pixel_figure=Pixel_figure_preview_xor;
   Draw_line_general(start_x,start_y,end_x,end_y,color);
-  if (start_x<0)
-    start_x=0;
-  if (start_y<0)
-    start_y=0;
-  if (end_x<0)
-    end_x=0;
-  if (end_y<0)
-    end_y=0;
+  
+  if (start_x<Limit_left)
+    start_x=Limit_left;
+  if (start_y<Limit_top)
+    start_y=Limit_top;
+  if (end_x<Limit_left)
+    end_x=Limit_left;
+  if (end_y<Limit_top)
+    end_y=Limit_top;
+  // bottom & right limits are handled by Update_part_of_screen()  
+  
   w = end_x-start_x;
   h = end_y-start_y;
   Update_part_of_screen((start_x<end_x)?start_x:end_x,(start_y<end_y)?start_y:end_y,abs(w)+1,abs(h)+1);
diff --git a/src/graph.h b/src/graph.h
index 74d19878..901c3fa1 100644
--- a/src/graph.h
+++ b/src/graph.h
@@ -56,7 +56,7 @@ void Replace(byte New_color);
 
 void Pixel_figure_preview    (word x_pos,word y_pos,byte color);
 void Pixel_figure_preview_auto(word x_pos,word y_pos);
-void Pixel_figure_preview_xor(word x_pos,word y_pos,byte color);
+void Pixel_figure_preview_xor(short x_pos,short y_pos,byte color);
 void Pixel_figure_preview_xorback(word x_pos,word y_pos,byte color);
 void Pixel_figure_in_brush(word x_pos,word y_pos,byte color);