X-Git-Url: http://git.kpe.io/?p=ctsim.git;a=blobdiff_plain;f=libctgraphics%2Fbresenham.cpp;h=9bfbd359d334ff972808347b3184369072b47853;hp=43c8f349d2c68c42e1350fc9c73ebd8a085b2910;hb=1a050c98763fbbc0662731b0b76953acede6f5d7;hpb=c8b19dfaffba9f06d8b6c40cb1bb83a8964867f7

diff --git a/libctgraphics/bresenham.cpp b/libctgraphics/bresenham.cpp
index 43c8f34..9bfbd35 100644
--- a/libctgraphics/bresenham.cpp
+++ b/libctgraphics/bresenham.cpp
@@ -24,48 +24,48 @@
 
 
 
-void 
+void
 bresenham (int x1, int y1, int x2, int y2)
 {
   int delta_x = x2 - x1;
   int dx_abs = (delta_x >= 0 ? delta_x : -delta_x);
-  
+
   int delta_y = y2 - y1;
   int dy_abs = (delta_y >= 0 ? delta_y : -delta_y);
-  
-  // draws a line when abs(dx) >= abs(dy) 
+
+  // draws a line when abs(dx) >= abs(dy)
   if (dx_abs > dy_abs) {
     int count = dx_abs + 1;
     int major_inc = (x1 <= x2 ? 1 : -1);
-    int min_inc = (delta_y >= 0 ? 1 : -1);     // determine direction of minor axis 
-    
+    int min_inc = (delta_y >= 0 ? 1 : -1);     // determine direction of minor axis
+
     int d = dy_abs * 2 - dx_abs;      // Put decision variable in d
     int dinc1 = (dy_abs - dx_abs) * 2;
     int dinc2 = 2 * dy_abs;
-    
+
     bresx (x1, y1, major_inc, d, d1, d2);
   } else {    //For plotting lines with abs(dy) > abs(sx)
     int count = dy_abs + 1;
-    
+
     int major_inc = (y1 <= y2 ? 1 : -1);
     int min_inc = (delta_x >= 0 ? 1 : -1);      // check direction of minor axis
-        
+
     int d = dx_abs * 2 - dy_abs;
     dinc1 = (dx_abs - dy_abs) * 2;
     dinc2 = 2 * dx_abs;
-    
+
     bresy (x1, y1, major_inc, min_inc, count, d, d1, d2);
   }
 }
 
 
-static void 
+static void
 bresx (int x, int y, int majorinc, int minorinc, int count, int d, int d1, int d2)
 {
   do {
     setpixel();
     x += majorinc;
-    
+
     if (d < 0)
       d += dinc2;
     else {
@@ -74,15 +74,15 @@ bresx (int x, int y, int majorinc, int minorinc, int count, int d, int d1, int d
     }
   } while (--count > 0);
 }
-  
-  
-static void 
+
+
+static void
 bresy (int x, int y, int majorinc, int minorinc, int count, int d, int d1, int d2)
 {
   do {
     setpixel();
     y += majorinc;
-    
+
     if (d < 0)
       d += dinc2;
     else {
@@ -91,5 +91,5 @@ bresy (int x, int y, int majorinc, int minorinc, int count, int d, int d1, int d
     }
   } while (--count > 0);
 }
-  
-  
+
+