planarity/gameboard_draw_text.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 <string.h>
  29 #include <gtk/gtk.h>
  30 #include <gdk/gdk.h>
  31
  32 #include "graph.h"
  33 #include "gameboard.h"
  34
  35 GdkRectangle render_text_centered(cairo_t *c, char *s, int x, int y){
  36   cairo_text_extents_t ex;
  37   GdkRectangle r;
  38
  39   cairo_text_extents (c, s, &ex);
  40
  41   r.x=x-(ex.width/2);
  42   r.y=y+(ex.y_bearing/2);
  43   r.width=ex.width;
  44   r.height=ex.height;
  45
  46   cairo_move_to (c, r.x-ex.x_bearing, r.y-ex.y_bearing);
  47   cairo_show_text (c, s);
  48
  49   return r;
  50 }
  51
  52 GdkRectangle render_border_centered(cairo_t *c, char *s, int x, int y){
  53   cairo_text_extents_t ex;
  54   GdkRectangle r;
  55
  56   cairo_text_extents (c, s, &ex);
  57
  58   r.x=x-(ex.width/2)-2;
  59   r.y=y+(ex.y_bearing/2)-2;
  60   r.width=ex.width+5;
  61   r.height=ex.height+5;
  62
  63   cairo_save(c);
  64   cairo_move_to (c, r.x-ex.x_bearing+2, r.y-ex.y_bearing+2 );
  65   cairo_set_line_width(c,3);
  66   cairo_set_source_rgba(c,1,1,1,.9);
  67   cairo_text_path (c, s);
  68   cairo_stroke(c);
  69   cairo_restore(c);
  70
  71   return r;
  72 }
  73
  74 GdkRectangle render_bordertext_centered(cairo_t *c, char *s, int x, int y){
  75   GdkRectangle r = render_border_centered(c,s,x,y);
  76   render_text_centered(c,s,x,y);
  77   return r;
  78 }
  79