fl_pile.cxx

   1 /*
   2 ** $Id$
   3 **
   4 ** all that is necessary for drawing a pile of pieces
   5 */
   6 /*
   7 **    Copyright (C) 1998 Kurt Van den Branden
   8 **
   9 ** This program is free software; you can redistribute it and/or modify
  10 ** it under the terms of the GNU General Public License as published by
  11 ** the Free Software Foundation; either version 2 of the License, or
  12 ** (at your option) any later version.
  13 **
  14 ** This program is distributed in the hope that it will be useful,
  15 ** but WITHOUT ANY WARRANTY; without even the implied warranty of
  16 ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17 ** GNU General Public License for more details.
  18 **
  19 ** You should have received a copy of the GNU General Public License
  20 ** along with this program; if not, write to the Free Software
  21 ** Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  22 */
  23
  24 #include <FL/fl_draw.H>
  25 #include "fl_pile.h"
  26
  27 #include <algorithm>
  28
  29 #define round(x)       (int)(x + 0.5)
  30
  31
  32 /*
  33 ** constructor
  34 */
  35 fl_pile::fl_pile(int X,int Y,int W,int H,const char *l)
  36     : Fl_Widget (X, Y, W, H, l)
  37 {
  38     nrpieces = 0;
  39     color = 'o';
  40
  41     calcsizes ();
  42
  43     // I don't know if this is a good solution
  44 //    lyellow = FL_COLOR_CUBE +
  45 //      FL_RED_MULTIPLY * 4 +
  46 //      FL_GREEN_MULTIPLY * 7 +
  47 //      FL_BLUE_MULTIPLY * 3;
  48     lyellow = fl_color_cube(255 * FL_NUM_RED/256,
  49                             255 * FL_NUM_GREEN/256,
  50                             200 * FL_NUM_BLUE/256);
  51
  52     return;
  53 }
  54
  55
  56 /*
  57 ** destructor
  58 */
  59 fl_pile::~fl_pile ()
  60 {
  61     return;
  62 }
  63
  64
  65 /*
  66 ** I don't think I have to handle anything here
  67 */
  68 int fl_pile::handle (int event)
  69 {
  70     switch (event)
  71     {
  72     default:
  73         return (0);
  74     }
  75 }
  76
  77
  78 void fl_pile::draw ()
  79 {
  80     int i,
  81         x1, y1;
  82
  83     /* set everything to background color */
  84     fl_color (Fl_Widget::color());
  85     fl_rectf (x()+1, y()+1, w()-2, h()-2);
  86
  87     draw_box ();
  88
  89     if (color == 'o')
  90         fl_color (lyellow); // yellow
  91     else
  92         fl_color (FL_BLACK); // black
  93
  94     for (i = 1; i <= nrpieces; i++)
  95     {
  96         x1 = xoffset;
  97         y1 = yoffset - round (i * pieceh * 1.5);
  98
  99         fl_rectf (x1, y1, piecew, pieceh);
 100     }
 101
 102     fl_color (FL_BLACK);
 103     for (i = 1; i <= nrpieces; i++)
 104     {
 105         x1 = xoffset;
 106         y1 = yoffset - round (i * pieceh * 1.5);
 107
 108         fl_rect (x1, y1, piecew, pieceh);
 109     }
 110
 111     return;
 112 }
 113
 114
 115 void fl_pile::resize (int x, int y, int w, int h)
 116 {
 117     Fl_Widget::resize (x, y, w, h);
 118
 119     calcsizes ();
 120
 121     return;
 122 }
 123
 124
 125 /*
 126 ** calculate
 127 **    xoffset
 128 **    yoffset
 129 **    piecew
 130 **    pieceh
 131 **
 132 ** to be used at every resize-event and at class-creation
 133 */
 134 void fl_pile::calcsizes ()
 135 {
 136     int height,
 137         width;
 138
 139     width = round (w() / 1.5);
 140     height = round (h() / 5.5);
 141     piecew = std::min (width, height);
 142     pieceh = (int) (piecew / 5.0);
 143
 144     xoffset = round((w() - piecew) / 2) + x();
 145     yoffset = h() + y();
 146
 147     return;
 148 }
 149
 150
 151 void fl_pile::setvalue (int val)
 152 {
 153     nrpieces = val;
 154     redraw ();
 155
 156     return;
 157 }
 158
 159
 160 void fl_pile::setcolor (char col)
 161 {
 162     color = col;
 163     redraw ();
 164
 165     return;
 166 }
 167