Added a few comments.

git-svn-id: http://svn.voria.com/code@654 1f10aa63-cdf2-0310-b900-c93c546f37ac

diff --git a/synfig-core/trunk/src/modules/mod_gradient/curvegradient.cpp b/synfig-core/trunk/src/modules/mod_gradient/curvegradient.cpp
index 2dde697..d76d76d 100644 (file)
--- a/synfig-core/trunk/src/modules/mod_gradient/curvegradient.cpp
+++ b/synfig-core/trunk/src/modules/mod_gradient/curvegradient.cpp
@@ -260,7 +260,7 @@ CurveGradient::color_func(const Point &point_, int quality, float supersample)co
                        next=find_closest(fast,bline,point,t,bline_loop,&perp_dist);
                        perp_dist/=curve_length_;
                }
-               else
+               else                                    // not perpendicular
                {
                        next=find_closest(fast,bline,point,t,bline_loop);
                }
@@ -290,7 +290,7 @@ CurveGradient::color_func(const Point &point_, int quality, float supersample)co
                        if(quality>7)
                                search_iterations=4;
                }
-               else
+               else                                    // not perpendicular
                {
                        if(quality<=6)search_iterations=7;
                        else if(quality<=7)search_iterations=6;
@@ -302,9 +302,8 @@ CurveGradient::color_func(const Point &point_, int quality, float supersample)co
                if (fast)
                        t = curve.find_closest(fast, point,search_iterations);
 
-
                // Calculate our values
-               p1=curve(t);                    // the closest point on the curve
+               p1=curve(t);                     // the closest point on the curve
                tangent=deriv(t).norm(); // the unit tangent at that point
 
                if(perpendicular)
@@ -313,7 +312,7 @@ CurveGradient::color_func(const Point &point_, int quality, float supersample)co
                        p1-=tangent*perp_dist;
                        tangent=-tangent.perp();
                }
-               else
+               else                                    // not perpendicular
                        // the width of the bline at the closest point on the curve
                        thickness=(next->get_width()-iter->get_width())*t+iter->get_width();
        }
@@ -339,7 +338,7 @@ CurveGradient::color_func(const Point &point_, int quality, float supersample)co
                        dist=((point_-offset)*diff-p1*diff);
                }
        }
-       else
+       else                                            // not perpendicular
        {
                diff=tangent.perp()*thickness*width;
                p1-=diff*0.5;