M render/gradient.c → render/gradient.c

@@ -621,7 +621,59 @@ glVertex2i(x, y);
         glEnd();
         break;
     case Background_Pyramid:
-printf("pyramid\n");
+	ar = (pr + sr) / 2.0;
+	ag = (pg + sg) / 2.0;
+	ab = (pb + sb) / 2.0;
+        glBegin(GL_TRIANGLES);
+        glColor3f(pr, pg, pb);
+        glVertex2i(x, y);
+        glColor3f(sr, sg, sb);
+        glVertex2i(x+w/2, y+h/2);
+        glColor3f(ar, ag, ab);
+        glVertex2i(x, y+h/2);
+
+        glVertex2i(x, y+h/2);
+        glColor3f(sr, sg, sb);
+        glVertex2i(x+w/2, y+h/2);
+        glColor3f(pr, pg, pb);
+        glVertex2i(x, y+h);
+
+        glVertex2i(x, y+h);
+        glColor3f(sr, sg, sb);
+        glVertex2i(x+w/2, y+h/2);
+        glColor3f(ar, ag, ab);
+        glVertex2i(x+w/2, y+h);
+
+        glVertex2i(x+w/2, y+h);
+        glColor3f(sr, sg, sb);
+        glVertex2i(x+w/2, y+h/2);
+        glColor3f(pr, pg, pb);
+        glVertex2i(x+w, y+h);
+
+        glVertex2i(x+w, y+h);
+        glColor3f(sr, sg, sb);
+        glVertex2i(x+w/2, y+h/2);
+        glColor3f(ar, ag, ab);
+        glVertex2i(x+w, y+h/2);
+
+        glVertex2i(x+w, y+h/2);
+        glColor3f(sr, sg, sb);
+        glVertex2i(x+w/2, y+h/2);
+        glColor3f(pr, pg, pb);
+        glVertex2i(x+w, y);
+
+        glVertex2i(x+w, y);
+        glColor3f(sr, sg, sb);
+        glVertex2i(x+w/2, y+h/2);
+        glColor3f(ar, ag, ab);
+        glVertex2i(x+w/2, y);
+
+        glVertex2i(x+w/2, y);
+        glColor3f(sr, sg, sb);
+        glVertex2i(x+w/2, y+h/2);
+        glColor3f(pr, pg, pb);
+        glVertex2i(x, y);
+        glEnd();
         break;
     case Background_PipeCross:
         glBegin(GL_TRIANGLES);

M render/test.c → render/test.c

@@ -51,7 +51,7 @@ root = RootWindow (ob_display, DefaultScreen (ob_display));
 	render_startup();
 
 	look = appearance_new(Surface_Planar, 0);
-	look->surface.data.planar.grad = Background_PipeCross;
+	look->surface.data.planar.grad = Background_Pyramid;
 	look->surface.data.planar.secondary = color_parse("Yellow");
 	look->surface.data.planar.primary = color_parse("Blue");
         look->surface.data.planar.interlaced = FALSE;