226   int sign_x, sign_y, step, reverse, i;  in VGLLine()  local
232     step = 1;  in VGLLine()
234     step = -1;  in VGLLine()
289           plot(object, ++x, y += step, reverse,  in VGLLine()
293           plot(object, --x1, y1 -= step, reverse,  in VGLLine()
297           plot(object, x, y += step, reverse, color);  in VGLLine()
300           plot(object, x1, y1 -= step, reverse,  in VGLLine()
320             plot(object, ++x, y += step, reverse, color);  in VGLLine()
325           plot(object, ++x, y += step, reverse, color);  in VGLLine()
329             plot(object, --x1, y1 -= step, reverse, color);  in VGLLine()
344         plot(object, x, y += step, reverse, color);  in VGLLine()
345         plot(object, ++x, y += step, reverse, color);  in VGLLine()
347         plot(object, x1, y1 -= step, reverse, color);  in VGLLine()
348         plot(object, --x1, y1 -= step, reverse, color);  in VGLLine()
354           plot(object, ++x, y += step, reverse,  in VGLLine()
359           plot(object, --x1, y1 -= step, reverse,  in VGLLine()
363           plot(object, x, y += step, reverse, color);  in VGLLine()
366           plot(object, x1, y1 -= step, reverse, color);  in VGLLine()
375         plot(object, ++x, y += step, reverse, color);  /* pattern 4 */  in VGLLine()
377           plot(object, ++x, y += step, reverse,  in VGLLine()
380           plot(object, --x1, y1 -= step, reverse,  in VGLLine()
386             plot(object, ++x, y += step, reverse, color);  in VGLLine()
391           plot(object, ++x, y += step, reverse, color);  in VGLLine()
396               plot(object, --x1, y1 -= step, reverse, color);  in VGLLine()