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#file: image.py
#Copyright (C) 2008 FunnyMan3595
#This file is part of Endgame: Singularity.
#Endgame: Singularity 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 of the License, or
#(at your option) any later version.
#Endgame: Singularity 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 Endgame: Singularity; if not, write to the Free Software
#Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#This file contains the image widget.
import pygame
import constants
import g
import widget
def scale(*args, **kwargs):
try:
return pygame.transform.smoothscale(*args, **kwargs)
except Exception:
return pygame.transform.scale(*args, **kwargs)
class Image(widget.Widget):
image = widget.causes_rebuild("_image")
def __init__(self, parent, pos, size = (1, 1),
anchor = constants.TOP_LEFT, image = None):
super(Image, self).__init__(parent, pos, size, anchor)
self.old_size = None
if image:
if type(image) is str:
image = pygame.image.load(image)
self.image = image.convert_alpha()
def _calc_size(self):
size = list( super(Image, self)._calc_size() )
if size[0] == size[1] == 0:
raise ValueError, "One image dimension must be specified!"
image_size = self.image.get_size()
ratio = image_size[0] / float(image_size[1])
if size[0] == 0:
size[0] = int(size[1] * ratio)
elif size[1] == 0:
size[1] = int(size[0] / ratio)
return tuple(size)
def rescale(self):
self.scaled_image = scale(self.image, self.real_size)
def resize(self):
super(Image, self).resize()
if self.real_size != self.old_size:
self.rescale()
self.old_size = self.real_size
def redraw(self):
super(Image, self).redraw()
self.surface.blit(self.scaled_image, (0,0))
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