#!/usr/bin/python

#import packages
import pygtk

pygtk.require("2.0")
import os

from lib.graphics.fancycanvas import FancyCanvas
from lib.io.generic import ImageFile


class Painthon():
    CANVAS = None
    READWRITE = None

    def __init__(self, image_filename=None):
        #initialize canvas
        self.CANVAS = FancyCanvas()
        self.CANVAS.set_image_type(FancyCanvas.OPAQUE_IMAGE)

        #Initialize readers/writers
        self.READWRITE = ImageFile()

        #Load image information
        if image_filename != None:
            info = self.READWRITE.read(os.path.abspath(image_filename))
            self.__set_current_info(info)

        print "Painthon initialized"

    def __set_current_info(self, image_info):
        if image_info == None:
            return

        canonical_filename = image_info[0]
        self.CANVAS.set_image(image_info[1])
        self.CANVAS.set_image_type(image_info[2])
        self.__fix_image_info(canonical_filename)

    def __fix_image_info(self, canonical_filename):
        if canonical_filename == None:
            return

        self.filename = os.path.basename(canonical_filename)
        self.path = os.path.dirname(canonical_filename)


app = Painthon()