#############################################################################
##           This file is part of the Ostendo Resource Manager.            ##
##-------------------------------------------------------------------------##
## Copyright 2007-2008 Bryce Schroeder                                     ##
## bryce.schroeder@gmail.com                                               ##
## http://www.ferazelhosting.net/~bryce/                                   ##
##-------------------------------------------------------------------------##
##  This program 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 3 of the License, or      ##
##  (at your option) any later version.                                    ##
##  This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.  ##
#############################################################################
#TODO - determine if this is finished or not!
from .standard_interpreters import Resource, R
import cStringIO
import pygame

class Font(Resource):
    MANDATORY = ['font']
    #OPTIONAL = ['meta']
    def init(self):
        self.meta = {}
        if self.parts.has_key('meta'):
            self.meta = self.process_meta(self.parts['meta'])
            
    def pygame_font(self,size):
        # FIXME
        # This is causing a segfault. Pygame mailing list informed.
        # pending a fix, it will use a system font...
        #return pygame.font.Font(cStringIO.StringIO(
        #            self.parts['font']), size)
        return pygame.font.SysFont("Times New Roman", size) #temporary hack
    def wrap_text(self, size, text, width):
        font = self.pygame_font(size)
        if font.size(text)[0] <= width:
            return [text]
        
        lines, curline = [], []
        for word in text.split():
            if font.size(' '.join(curline + [word]))[0] > width:
                lines.append(' '.join(curline))
                curline = [word]
            else:
                curline.append(word)
        if curline:
            lines.append(' '.join(curline))
        return lines