#############################################################################
##           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 Theme(Resource):
    """
    This class is for interface themes.
    """
    MANDATORY = ['image']
    #OPTIONAL = ['meta']
    def init(self):
        self.meta = {}
        if self.parts.has_key('meta'):
            self.meta = self.process_meta(self.parts['meta'])
            
        self.surface = pygame.image.load(cStringIO.StringIO(
                    self.parts['image'])).convert_alpha()


    def blit(self, tile, target, x, y):
        """
        tile is a two digit hex number, 00-FF, or a tuple.
        If it is a hex number, the first digit is X and the second is Y.
        X and Y are in tiles = multiplied by 16.
        """
        if isinstance(tile, int): tile = (tile&0xF0), (tile&0xF)<<4
        else: tile = (tile[0]*16,tile[1]*16)
        target.blit(self.surface, (x,y), tile+(16,16))