File: gameboard_draw_text.c

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gplanarity 17906-7
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/*
 *
 *  gPlanarity: 
 *     The geeky little puzzle game with a big noodly crunch!
 *    
 *     gPlanarity copyright (C) 2005 Monty <monty@xiph.org>
 *     Original Flash game by John Tantalo <john.tantalo@case.edu>
 *     Original game concept by Mary Radcliffe
 *
 *  gPlanarity is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2, or (at your option)
 *  any later version.
 *   
 *  gPlanarity is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *   
 *  You should have received a copy of the GNU General Public License
 *  along with Postfish; see the file COPYING.  If not, write to the
 *  Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
 *
 * 
 */

#include <math.h>
#include <string.h>
#include <gtk/gtk.h>
#include <gdk/gdk.h>

#include "graph.h"
#include "gameboard.h"

GdkRectangle render_text_centered(cairo_t *c, char *s, int x, int y){
  cairo_text_extents_t ex;
  GdkRectangle r;

  cairo_text_extents (c, s, &ex);

  r.x=x-(ex.width/2);
  r.y=y+(ex.y_bearing/2);
  r.width=ex.width;
  r.height=ex.height;

  cairo_move_to (c, r.x-ex.x_bearing, r.y-ex.y_bearing);
  cairo_show_text (c, s);  

  return r;
}

GdkRectangle render_border_centered(cairo_t *c, char *s, int x, int y){
  cairo_text_extents_t ex;
  GdkRectangle r;

  cairo_text_extents (c, s, &ex);

  r.x=x-(ex.width/2)-2;
  r.y=y+(ex.y_bearing/2)-2;
  r.width=ex.width+5;
  r.height=ex.height+5;

  cairo_save(c);
  cairo_move_to (c, r.x-ex.x_bearing+2, r.y-ex.y_bearing+2 );  
  cairo_set_line_width(c,3);
  cairo_set_source_rgba(c,1,1,1,.9);
  cairo_text_path (c, s);  
  cairo_stroke(c);
  cairo_restore(c);

  return r;
}

GdkRectangle render_bordertext_centered(cairo_t *c, char *s, int x, int y){
  GdkRectangle r = render_border_centered(c,s,x,y);
  render_text_centered(c,s,x,y);
  return r;
}