Use fl_xyline() and fl_yxline() that are better for horizontal and ve…

…rtical lines.

git-svn-id: file:///fltk/svn/fltk/branches/branch-1.3@10460 ea41ed52-d2ee-0310-a9c1-e6b18d33e121

src/fl_gleam.cxx

@@ -45,15 +45,15 @@ static void shade_rect_top_bottom(int x, int y, int w, int h, Fl_Color fg1, Fl_C
   // This loop generates the gradient at the top of the widget
   for (float k = 1; k >= 0; k -= step_size_top){
     gleam_color(fl_color_average(fl_color_average(fg1, fg2, th), fg1, k));
-    fl_line(x, y+j, x+w, y+j);
+    fl_xyline(x, y+j, x+w);
     j++;
   }
   gleam_color(fg1);
   fl_rectf(x, y+h_top, w+1, h_flat);
   // This loop generates the gradient at the bottom of the widget
   for (float k = 1; k >= 0; k -= step_size_bottom){
     gleam_color(fl_color_average(fg1,fl_color_average(fg1, fg2, th), k));
-    fl_line(x, y+j+h_flat-1, x+w, y+j+h_flat-1);
+    fl_xyline(x, y+j+h_flat-1, x+w);
     j++;
   }
 }
@@ -68,16 +68,16 @@ static void shade_rect_top_bottom_down(int x, int y, int w, int h, Fl_Color bc,
 
 static void frame_rect(int x, int y, int w, int h, Fl_Color fg1, Fl_Color fg2, Fl_Color lc) {
   gleam_color(fg1);
-  fl_line(x, y+h-1, x, y+1);         //Go from bottom to top left side
-  fl_line(x+w, y+h-1, x+w, y+1);     //Go from bottom to top right side
-  fl_line(x+1, y, x+w-1, y);         //Go across the top
-  fl_line(x+1, y+h, x+w-1, y+h);     //Go across the bottom
+  fl_yxline(x, y+h-1,  y+1);         //Go from bottom to top left side
+  fl_yxline(x+w, y+h-1,  y+1);     //Go from bottom to top right side
+  fl_xyline(x+1, y, x+w-1);         //Go across the top
+  fl_xyline(x+1, y+h, x+w-1);     //Go across the bottom
   gleam_color(fg2);
-  fl_line(x+1, y+h-2, x+1, y+2);     //Go from bottom to top left side
-  fl_line(x+w-1, y+h-2, x+w-1, y+2); //Go from bottom to top right side
+  fl_yxline(x+1, y+h-2, y+2);     //Go from bottom to top left side
+  fl_yxline(x+w-1, y+h-2, y+2); //Go from bottom to top right side
   gleam_color(lc);
-  fl_line(x+2, y+1, x+w-3, y+1);     //Go across the top
-  fl_line(x+2, y+h-1, x+w-3, y+h-1); //Go across the bottom
+  fl_xyline(x+2, y+1, x+w-3);     //Go across the top
+  fl_xyline(x+2, y+h-1, x+w-3); //Go across the bottom
 }
 
 static void frame_rect_up(int x, int y, int w, int h, Fl_Color bc, Fl_Color lc, float th1, float th2) {