/*
 * $Id$
 */

// Test program for box and line drawing functions.
/* Harbour Project source code
   http://www.Harbour-Project.org/
   Donated to the public domain on 2001-08-22 by David G. Holm <dholm@jsd-llc.com>
*/

#include "box.ch"

function Main()
local max_row, max_col, boxColor := "W+/B,N/BG", lineColor := "W+/R, N/BG"

   SetMode(50, 80)
   clear screen
   max_row := maxrow()
   max_col := maxcol()
   
   // Draw filled boxes centered around the four screen corners.
   DispBox(-10, -10, 10, 10, B_SINGLE + "X", boxColor)
   DispBox(-10, max_col - 10, 10, max_col + 10, B_SINGLE + "X", boxColor)
   DispBox(max_row - 10, -10, max_row + 10, 10, B_SINGLE + "X", boxColor)
   DispBox(max_row - 10, max_col - 10, max_row + 10, max_col + 10, B_SINGLE + "X", boxColor)
   
   // Draw non-filled boxes around the filled boxes.
   DispBox(-15, -15, 15, 15, 1, boxColor)
   DispBox(-15, max_col - 15, 15, max_col + 15, 1, boxColor)
   DispBox(max_row - 15, -15, max_row + 15, 15, 1, boxColor)
   DispBox(max_row - 15, max_col - 15, max_row + 15, max_col + 15, 1, boxColor)
   
   // Draw a box in the center, then two boxes off screen.
   
   DispBox( 20, 20, 25, 60, 2, boxColor)
   DispBox( -10, -10, -1, -1, 2, boxColor)
   DispBox( max_row + 1, max_col + 1, max_row + 10, max_col + 10, 2, boxColor)
   
   // Draw horizontal lines from off-screen to on-screen,
   // off-screen to off-screen, and on-screen to off-screen.
   DispBox(1, -10, 1, 10, B_SINGLE, lineColor)
   DispBox(2, -10, 2, max_col + 10, B_DOUBLE, lineColor)
   DispBox(3, max_col - 10, 3, max_col + 10, B_SINGLE, lineColor)

   // Draw vertical lines from off-screen to on-screen,
   // off-screen to off-screen, and on-screen to off-screen.
   DispBox(-10, 1, 10, 1, B_SINGLE, lineColor)
   DispBox(-10, 2, max_row + 10, 2, B_DOUBLE, lineColor)
   DispBox(max_row - 10, 3, max_row + 10, 3, B_SINGLE, lineColor)

   inkey(5)

return nil