190   int sign_x, sign_y, step, reverse, i;  in VGLLine()  local
196     step = 1;  in VGLLine()
198     step = -1;  in VGLLine()
253           plot(object, ++x, y += step, reverse,  in VGLLine()
257           plot(object, --x1, y1 -= step, reverse,  in VGLLine()
261           plot(object, x, y += step, reverse, color);  in VGLLine()
264           plot(object, x1, y1 -= step, reverse,  in VGLLine()
284             plot(object, ++x, y += step, reverse, color);  in VGLLine()
289           plot(object, ++x, y += step, reverse, color);  in VGLLine()
293             plot(object, --x1, y1 -= step, reverse, color);  in VGLLine()
308         plot(object, x, y += step, reverse, color);  in VGLLine()
309         plot(object, ++x, y += step, reverse, color);  in VGLLine()
311         plot(object, x1, y1 -= step, reverse, color);  in VGLLine()
312         plot(object, --x1, y1 -= step, reverse, color);  in VGLLine()
318           plot(object, ++x, y += step, reverse,  in VGLLine()
323           plot(object, --x1, y1 -= step, reverse,  in VGLLine()
327           plot(object, x, y += step, reverse, color);  in VGLLine()
330           plot(object, x1, y1 -= step, reverse, color);  in VGLLine()
339         plot(object, ++x, y += step, reverse, color);  /* pattern 4 */  in VGLLine()
341           plot(object, ++x, y += step, reverse,  in VGLLine()
344           plot(object, --x1, y1 -= step, reverse,  in VGLLine()
350             plot(object, ++x, y += step, reverse, color);  in VGLLine()
355           plot(object, ++x, y += step, reverse, color);  in VGLLine()
360               plot(object, --x1, y1 -= step, reverse, color);  in VGLLine()