X-Git-Url: http://git.tdb.fi/?p=libs%2Fgltk.git;a=blobdiff_plain;f=source%2Fgraphic.cpp;h=75e10888ecde2eebef7202659aaf21320520fba8;hp=5fc27ef3d153e5c2061ff5e891bab10a2eea5f0c;hb=b3234ca0277c5e282a2a0a2558b58edb25750653;hpb=cc433448b71025256bdd44a569c353d98e0935f1

diff --git a/source/graphic.cpp b/source/graphic.cpp
index 5fc27ef..75e1088 100644
--- a/source/graphic.cpp
+++ b/source/graphic.cpp
@@ -27,24 +27,29 @@ void Graphic::build(unsigned wd, unsigned ht, GL::PrimitiveBuilder &bld) const
 	unsigned ymax = y.size()-(border.top ? 2 : 3);
 
 	bld.color(1.0f, 1.0f, 1.0f);
-	bld.begin(GL::QUADS);
 	for(unsigned i=ymin; i<=ymax; ++i)
 	{
 		unsigned i2 = (i==0 ? 0 : i==y.size()-2 ? 2 : 1);
 		for(unsigned j=xmin; j<=xmax; ++j)
 		{
 			unsigned j2 = (j==0 ? 0 : j==x.size()-2 ? 2 : 1);
-			bld.texcoord(u[j2], v[i2]);
-			bld.vertex(x[j], y[i]);
-			bld.texcoord(u[j2+1], v[i2]);
-			bld.vertex(x[j+1], y[i]);
+			if(j==xmin || (j>1 && j<x.size()-2))
+			{
+				if(j>xmin)
+					bld.end();
+				bld.begin(GL::TRIANGLE_STRIP);
+				bld.texcoord(u[j2], v[i2+1]);
+				bld.vertex(x[j], y[i+1]);
+				bld.texcoord(u[j2], v[i2]);
+				bld.vertex(x[j], y[i]);
+			}
 			bld.texcoord(u[j2+1], v[i2+1]);
 			bld.vertex(x[j+1], y[i+1]);
-			bld.texcoord(u[j2], v[i2+1]);
-			bld.vertex(x[j], y[i+1]);
+			bld.texcoord(u[j2+1], v[i2]);
+			bld.vertex(x[j+1], y[i]);
 		}
+		bld.end();
 	}
-	bld.end();
 }
 
 void Graphic::create_coords(float low, float high, float brd1, float brd2, float block, vector<float> &coords) const