147 		ul.y = screen->r.max.y - Dy(im->r);  in showpage()
151 	redraw(screen);  in showpage()
288 	ul = screen->r.min;  in viewer()
365 					string(screen, addpt(screen->r.min, Pt(5,5)), display->black, ZP,  in viewer()
421 				if(screen->r.min.y <= ul.y && ul.y < screen->r.max.y){  in viewer()
428 					i = Dy(screen->r)/2;  in viewer()
431 					if(i+ul.y > screen->r.min.y)  in viewer()
432 						i = screen->r.min.y - ul.y;  in viewer()
443 				if(screen->r.min.y <= i && i <= screen->r.max.y){  in viewer()
444 					ul.y = screen->r.min.y;  in viewer()
447 					i = -Dy(screen->r)/2;  in viewer()
450 					if(i+ul.y+Dy(im->r) <= screen->r.max.y)  in viewer()
451 						i = screen->r.max.y - Dy(im->r) - ul.y - 1;  in viewer()
555 						ul = screen->r.min;  in viewer()
556 						redraw(screen);  in viewer()
565 						delta = (double)Dx(screen->r)/(double)Dx(im->r);  in viewer()
566 						if((double)Dy(im->r)*delta > Dy(screen->r))  in viewer()
567 							delta = (double)Dy(screen->r)/(double)Dy(im->r);  in viewer()
580 						ul = screen->r.min;  in viewer()
581 						redraw(screen);  in viewer()
611 						string(screen, addpt(screen->r.min, Pt(5,5)), display->black, ZP,  in viewer()
800 	drawop(screen, r, screen, nil, ul, S);  in translate()
804 	drawdiff(screen, insetrect(or, -2), insetrect(r, -2), gray, nil, ZP, S);  in translate()
807 	drawdiff(screen, insetrect(r, -2), r, display->black, nil, ZP, S);  in translate()
810 	if(rectclip(&or, screen->r))  in translate()
811 		drawdiff(screen, r, rectaddpt(or, delta), im, nil, im->r.min, S);  in translate()
813 		drawop(screen, r, im, nil, im->r.min, S);  in translate()
818 redraw(Image *screen)  in redraw()  argument
825 	ulrange.max = screen->r.max;  in redraw()
826 	ulrange.min = subpt(screen->r.min, Pt(Dx(im->r), Dy(im->r)));  in redraw()
829 	drawop(screen, screen->r, im, nil, subpt(im->r.min, subpt(ul, screen->r.min)), S);  in redraw()
837 	border(screen, r, -2, display->black, ZP);  in redraw()
849 	border(screen, r, -4000, gray, ZP);  in redraw()
857 	r = screen->r;  in eresized()
860 	ul = addpt(ul, subpt(screen->r.min, r.min));  in eresized()
861 	redraw(screen);  in eresized()
901 	r = insetrect(screen->r, -Borderwidth);  in resize()