Geografic-Information-System/imagery/i.class/redisplay.c

#include "globals.h"
#include <grass/display.h>
#include <grass/glocale.h>
#include "local_proto.h"

static int use = 1;


int redisplay(void)
{
    static Objects objects[] = {
	INFO("Redisplay Map Menu:", &use),
	MENU(" Map window ", redisplay_map, &use),
	MENU(" Zoom window ", redisplay_zoom, &use),
	MENU(" Both ", redisplay_both, &use),
	MENU(" Cancel ", cancel_redisplay, &use),
	{0}
    };

    Input_pointer(objects);
    Menu_msg("");

    return (0);
}

int redisplay_both(void)
{
    redisplay_map();
    redisplay_zoom();

    return (-1);
}

int redisplay_map(void)
{
    draw_cell(VIEW_MAP1, OVER_WRITE);
    if (VIEW_MAP1_ZOOM->cell.configured) {
	/* Outline the zoom window on the main map */
	R_standard_color(RED);
	Outline_cellhd(VIEW_MAP1, &VIEW_MAP1_ZOOM->cell.head);
    }
    return (-1);
}

int redisplay_zoom(void)
{
    if (VIEW_MAP1_ZOOM->cell.configured) {
	draw_cell(VIEW_MAP1_ZOOM, OVER_WRITE);
	/*
	 * Outline the zoom window on the main map
	 */
	R_standard_color(RED);
	Outline_cellhd(VIEW_MAP1, &VIEW_MAP1_ZOOM->cell.head);
    }
    else
	G_warning(_("No zoom window is defined."));

    return (-1);
}

int cancel_redisplay(void)
{
    return (-1);
}