X-Git-Url: https://git.pterodactylus.net/?a=blobdiff_plain;f=synfig-core%2Ftrunk%2Fsrc%2Fmodules%2Fmod_gradient%2Fradialgradient.cpp;h=8359032eb0a7a68000d3ae11eb287a1b8441d985;hb=c3ad95144d148602f672e95ddda1f18fc35502f8;hp=fe5738e9d723109cbd1bb83f6e676b8dd77c0ecf;hpb=cc54c38609ee9745ad678e5e9b9d7d2912be9c95;p=synfig.git

diff --git a/synfig-core/trunk/src/modules/mod_gradient/radialgradient.cpp b/synfig-core/trunk/src/modules/mod_gradient/radialgradient.cpp
index fe5738e..8359032 100644
--- a/synfig-core/trunk/src/modules/mod_gradient/radialgradient.cpp
+++ b/synfig-core/trunk/src/modules/mod_gradient/radialgradient.cpp
@@ -125,7 +125,7 @@ RadialGradient::get_param_vocab()const
 	);
 
 	ret.push_back(ParamDesc("zigzag")
-		.set_local_name(_("Zig-Zag"))
+		.set_local_name(_("ZigZag"))
 	);
 
 	return ret;
@@ -149,14 +149,20 @@ RadialGradient::color_func(const Point &point, float supersample)const
 
 		if(dist+supersample*0.5>1.0)
 		{
-			Color pool(gradient(dist,supersample*0.5).premult_alpha()*(1.0-(dist-supersample*0.5)));
-			pool+=gradient((dist+supersample*0.5)-1.0,supersample*0.5).premult_alpha()*((dist+supersample*0.5)-1.0);
+			float  left(supersample*0.5-(dist-1.0));
+			float right(supersample*0.5+(dist-1.0));
+			Color pool(gradient(1.0-(left*0.5),left).premult_alpha()*left/supersample);
+			if (zigzag) pool+=gradient(1.0-right*0.5,right).premult_alpha()*right/supersample;
+			else		pool+=gradient(right*0.5,right).premult_alpha()*right/supersample;
 			return pool.demult_alpha();
 		}
 		if(dist-supersample*0.5<0.0)
 		{
-			Color pool(gradient(dist,supersample*0.5).premult_alpha()*(dist+supersample*0.5));
-			pool+=gradient(1.0-(dist-supersample*0.5),supersample*0.5).premult_alpha()*(-(dist-supersample*0.5));
+			float  left(supersample*0.5-dist);
+			float right(supersample*0.5+dist);
+			Color pool(gradient(right*0.5,right).premult_alpha()*right/supersample);
+			if (zigzag) pool+=gradient(left*0.5,left).premult_alpha()*left/supersample;
+			else		pool+=gradient(1.0-left*0.5,left).premult_alpha()*left/supersample;
 			return pool.demult_alpha();
 		}
 	}
@@ -166,7 +172,7 @@ RadialGradient::color_func(const Point &point, float supersample)const
 
 
 float
-RadialGradient::calc_supersample(const synfig::Point &x, float pw,float ph)const
+RadialGradient::calc_supersample(const synfig::Point &/*x*/, float pw,float /*ph*/)const
 {
 //	return sqrt(pw*pw+ph*ph)/radius;
 	return 1.2*pw/radius;