planarity/gameboard_draw_box.c

   1 /*
   2  *
   3  *  gPlanarity:
   4  *     The geeky little puzzle game with a big noodly crunch!
   5  *
   6  *     gPlanarity copyright (C) 2005 Monty <monty@xiph.org>
   7  *     Original Flash game by John Tantalo <john.tantalo@case.edu>
   8  *     Original game concept by Mary Radcliffe
   9  *
  10  *  gPlanarity is free software; you can redistribute it and/or modify
  11  *  it under the terms of the GNU General Public License as published by
  12  *  the Free Software Foundation; either version 2, or (at your option)
  13  *  any later version.
  14  *
  15  *  gPlanarity is distributed in the hope that it will be useful,
  16  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18  *  GNU General Public License for more details.
  19  *
  20  *  You should have received a copy of the GNU General Public License
  21  *  along with Postfish; see the file COPYING.  If not, write to the
  22  *  Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
  23  *
  24  *
  25  */
  26
  27 #include <math.h>
  28 #include <gtk/gtk.h>
  29 #include "graph.h"
  30 #include "gameboard.h"
  31 #include "gameboard_draw_button.h"
  32
  33 void topbox (Gameboard *g,cairo_t *c, double w, double h){
  34
  35   double x0 = B_BORDER+B_RADIUS;
  36   double y0 = B_BORDER;
  37
  38   double x1 = B_BORDER;
  39   double y1 = B_BORDER+B_RADIUS;
  40
  41   double x2 = B_BORDER;
  42   double y2 = h-B_BORDER-B_RADIUS;
  43
  44   double x3 = B_BORDER+B_RADIUS;
  45   double y3 = h-B_BORDER;
  46
  47   double x4 = w/2 - B_HUMP - B_RADIUS;
  48   double y4 = h-B_BORDER;
  49
  50   double x5 = x4+B_RADIUS;
  51   double y5 = y4;
  52
  53
  54   double x7 = w/2 + B_HUMP + B_RADIUS;
  55   double y7 = h-B_BORDER;
  56
  57   double x8 = w - B_BORDER -B_RADIUS;
  58   double y8 = h-B_BORDER;
  59
  60   double x9 = w - B_BORDER;
  61   double y9 = h-B_BORDER-B_RADIUS;
  62
  63   double x10 = w - B_BORDER;
  64   double y10 = B_BORDER+B_RADIUS;
  65
  66   double x11 = w - B_BORDER-B_RADIUS;
  67   double y11 = B_BORDER;
  68
  69   cairo_set_line_width(c,B_LINE);
  70
  71   cairo_move_to  (c, x0, y0);
  72   cairo_curve_to (c, x1,y0, x1,y0, x1,y1);
  73   cairo_line_to (c, x2,y2);
  74   cairo_curve_to (c, x2,y3, x2,y3, x3,y3);
  75   cairo_line_to (c, x4,y4);
  76
  77   {
  78     double hh = g->g.orig_height*.5+50;
  79
  80     double radius = sqrt( (w*.5-x5) * (w*.5-x5) + (hh-y5) * (hh-y5));
  81     double siderad = atan( (x5-w*.5)/(hh-y5));
  82
  83     double xx = sin(siderad+.05)*radius+w*.5;
  84     double yy = -cos(siderad+.05)*radius+hh;
  85     double x = sin(siderad+.1)*radius+w*.5;
  86     double y = -cos(siderad+.1)*radius+hh;
  87
  88     cairo_curve_to (c, x4+B_RADIUS,y4, xx,yy, x,y);
  89     cairo_arc(c,w*.5,hh,radius,-M_PI*.5+siderad+.1,-M_PI*.5-siderad-.1);
  90
  91     xx = -sin(siderad+.05)*radius+w*.5;
  92     yy = -cos(siderad+.05)*radius+hh;
  93     xx = -sin(siderad+.1)*radius+w*.5;
  94     yy = -cos(siderad+.1)*radius+hh;
  95
  96     cairo_curve_to (c, xx,yy, x7-B_RADIUS,y7, x7,y7);
  97
  98   }
  99
 100   cairo_line_to  (c, x8,y8);
 101   cairo_curve_to (c, x9,y8, x9,y8, x9,y9);
 102   cairo_line_to  (c, x10,y10);
 103   cairo_curve_to (c, x10,y11, x10,y11, x11,y11);
 104   cairo_close_path (c);
 105
 106   cairo_set_source_rgba (c, B_COLOR);
 107   cairo_fill_preserve (c);
 108   cairo_set_source_rgba (c, B_LINE_COLOR);
 109   cairo_stroke (c);
 110
 111 }
 112
 113 void bottombox (Gameboard *g, cairo_t *c, double w, double h){
 114
 115   double x0 = B_BORDER+B_RADIUS;
 116   double y0 = h-B_BORDER;
 117
 118   double x1 = B_BORDER;
 119   double y1 = h-B_BORDER-B_RADIUS;
 120
 121   double x2 = B_BORDER;
 122   double y2 = B_BORDER+B_RADIUS;
 123
 124   double x3 = B_BORDER+B_RADIUS;
 125   double y3 = B_BORDER;
 126
 127   double x4 = w/2 - B_HUMP - B_RADIUS;
 128   double y4 = B_BORDER;
 129
 130   double x5 = x4+B_RADIUS;
 131   double y5 = y4;
 132
 133
 134   double x7 = w/2 + B_HUMP + B_RADIUS;
 135   double y7 = B_BORDER;
 136
 137   double x8 = w - B_BORDER -B_RADIUS;
 138   double y8 = B_BORDER;
 139
 140   double x9 = w - B_BORDER;
 141   double y9 = B_BORDER+B_RADIUS;
 142
 143   double x10 = w - B_BORDER;
 144   double y10 = h- B_BORDER -B_RADIUS;
 145
 146   double x11 = w - B_BORDER-B_RADIUS;
 147   double y11 = h-B_BORDER;
 148
 149   cairo_set_line_width(c,B_LINE);
 150
 151   cairo_move_to  (c, x0, y0);
 152   cairo_curve_to (c, x1,y0, x1,y0, x1,y1);
 153   cairo_line_to (c, x2,y2);
 154   cairo_curve_to (c, x2,y3, x2,y3, x3,y3);
 155   cairo_line_to (c, x4,y4);
 156
 157   {
 158     double hh = g->g.orig_height*.5+50;
 159
 160     double radius = sqrt( (w*.5-x5) * (w*.5-x5) + (y5+hh-h) * (y5+hh-h));
 161     double siderad = atan( (x5-w*.5)/(y5+hh-h));
 162
 163     double xx = sin(siderad+.05)*radius+w*.5;
 164     double yy = cos(siderad+.05)*radius-hh+h;
 165     double x = sin(siderad+.1)*radius+w*.5;
 166     double y = cos(siderad+.1)*radius-hh+h;
 167
 168     cairo_curve_to (c, x4+B_RADIUS,y4, xx,yy, x,y);
 169     cairo_arc_negative(c,w*.5,h-hh,radius,M_PI*.5-siderad-.1,M_PI*.5+siderad+.1);
 170
 171     xx = -sin(siderad+.05)*radius+w*.5;
 172     yy = cos(siderad+.05)*radius-hh+h;
 173     xx = -sin(siderad+.1)*radius+w*.5;
 174     yy = cos(siderad+.1)*radius-hh+h;
 175
 176     cairo_curve_to (c, xx,yy, x7-B_RADIUS,y7, x7,y7);
 177
 178   }
 179
 180   cairo_line_to  (c, x8,y8);
 181   cairo_curve_to (c, x9,y8, x9,y8, x9,y9);
 182   cairo_line_to  (c, x10,y10);
 183   cairo_curve_to (c, x10,y11, x10,y11, x11,y11);
 184   cairo_close_path (c);
 185
 186   cairo_set_source_rgba (c, B_COLOR);
 187   cairo_fill_preserve (c);
 188   cairo_set_source_rgba (c, B_LINE_COLOR);
 189   cairo_stroke (c);
 190
 191 }
 192
 193 void centerbox (cairo_t *c, int x, int y, double w, double h){
 194
 195   double x0 = B_BORDER+B_RADIUS;
 196   double y0 = h-B_BORDER;
 197
 198   double x1 = B_BORDER;
 199   double y1 = h-B_BORDER-B_RADIUS;
 200
 201   double x2 = B_BORDER;
 202   double y2 = B_BORDER+B_RADIUS;
 203
 204   double x3 = B_BORDER+B_RADIUS;
 205   double y3 = B_BORDER;
 206
 207   double x8 = w - B_BORDER -B_RADIUS;
 208   double y8 = B_BORDER;
 209
 210   double x9 = w - B_BORDER;
 211   double y9 = B_BORDER+B_RADIUS;
 212
 213   double x10 = w - B_BORDER;
 214   double y10 = h- B_BORDER -B_RADIUS;
 215
 216   double x11 = w - B_BORDER-B_RADIUS;
 217   double y11 = h-B_BORDER;
 218
 219   cairo_save(c);
 220   cairo_translate(c,x,y);
 221   cairo_set_line_width(c,B_LINE);
 222
 223   cairo_move_to  (c, x0, y0);
 224   cairo_curve_to (c, x1,y0, x1,y0, x1,y1);
 225   cairo_line_to (c, x2,y2);
 226   cairo_curve_to (c, x2,y3, x2,y3, x3,y3);
 227   cairo_line_to (c, x8,y8);
 228   cairo_curve_to (c, x9,y8, x9,y8, x9,y9);
 229   cairo_line_to  (c, x10,y10);
 230   cairo_curve_to (c, x10,y11, x10,y11, x11,y11);
 231   cairo_close_path (c);
 232
 233   cairo_set_source_rgba (c, B_COLOR);
 234   cairo_fill_preserve (c);
 235   cairo_set_source_rgba (c, B_LINE_COLOR);
 236   cairo_stroke (c);
 237
 238   cairo_restore(c);
 239 }
 240
 241 void borderbox_path (cairo_t *c, double x, double y, double w, double h){
 242
 243   double x0 = x+ B_RADIUS;
 244   double y0 = y+ h;
 245
 246   double x1 = x;
 247   double y1 = y+ h-B_RADIUS;
 248
 249   double x2 = x;
 250   double y2 = y+ B_RADIUS;
 251
 252   double x3 = x+ B_RADIUS;
 253   double y3 = y;
 254
 255   double x8 = x+ w -B_RADIUS;
 256   double y8 = y;
 257
 258   double x9 = x+ w;
 259   double y9 = y+ B_RADIUS;
 260
 261   double x10 = x+ w;
 262   double y10 = y+ h -B_RADIUS;
 263
 264   double x11 = x+ w -B_RADIUS;
 265   double y11 = y+h;
 266
 267   cairo_move_to  (c, x0, y0);
 268   cairo_curve_to (c, x1,y0, x1,y0, x1,y1);
 269   cairo_line_to (c, x2,y2);
 270   cairo_curve_to (c, x2,y3, x2,y3, x3,y3);
 271   cairo_line_to (c, x8,y8);
 272   cairo_curve_to (c, x9,y8, x9,y8, x9,y9);
 273   cairo_line_to  (c, x10,y10);
 274   cairo_curve_to (c, x10,y11, x10,y11, x11,y11);
 275   cairo_close_path (c);
 276
 277 }
 278