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import pygtk
pygtk.require('2.0')
import gtk
import gobject
import pango
sprites = []
gc = None
window = None
black = None
class Sprite:
def __init__(self,x,y,image,altlabel=False):
self.x = x
self.y = y
self.setimage(image)
self.label = None
if altlabel: self.draw_label = self.draw_label2
else: self.draw_label = self.draw_label1
def setimage(self,image):
self.image = image
if isinstance(image,gtk.gdk.Pixbuf):
self.width = self.image.get_width()
self.height = self.image.get_height()
else: self.width,self.height=image.get_size()
def move(self,pos):
self.inval()
self.x,self.y = pos
self.inval()
def setshape(self,image):
self.inval()
self.setimage(image)
self.inval()
def setlayer(self, layer):
if self in sprites: sprites.remove(self)
self.layer = layer
for i in range(len(sprites)):
if layer < sprites[i].layer: sprites.insert(i, self); self.inval(); return
sprites.append(self)
self.inval()
def hide(self):
if self not in sprites: return
self.inval()
sprites.remove(self)
def setlabel(self,label):
self.label = label
self.inval()
def inval(self):
area.invalidate_rect(gtk.gdk.Rectangle(self.x,self.y,self.width,self.height), False)
def draw(self):
if isinstance(self.image,gtk.gdk.Pixbuf): area.draw_pixbuf(gc, self.image, 0, 0, self.x, self.y)
else: area.draw_drawable(gc,self.image,0,0,self.x,self.y,-1,-1)
if self.label!=None: self.draw_label(self.label)
def hit(self,pos):
x,y = pos
if x<self.x: return False
if x>self.x+self.width: return False
if y<self.y: return False
if y>self.y+self.height: return False
if isinstance(self.image,gtk.gdk.Pixmap): return True
dx,dy = x-self.x, y-self.y
return ord(self.image.get_pixels()[(dy*self.width+dx)*4+3]) == 255
def draw_label1(self, label):
fd = pango.FontDescription('Sans')
fd.set_size(7*pango.SCALE)
pl = window.create_pango_layout(str(label))
pl.set_font_description(fd)
swidth = pl.get_size()[0]/pango.SCALE
sheight = pl.get_size()[1]/pango.SCALE
centerx = self.x+self.width/2
centery = self.y+self.height/2
gc.set_foreground(black)
area.draw_layout(gc,centerx-swidth/2,centery-sheight/2,pl)
def draw_label2(self, label):
fd = pango.FontDescription('Sans')
fd.set_size(9*pango.SCALE)
pl = window.create_pango_layout(str(label))
pl.set_font_description(fd)
sheight = pl.get_size()[1]/pango.SCALE
centery = self.y+self.height/2
gc.set_foreground(black)
area.draw_layout(gc,self.x+50,centery-sheight/2,pl)
def findsprite(pos):
list = sprites[:]
list.reverse()
for s in list:
if s.hit(pos): return s
return None
def redrawsprites():
for s in sprites: s.draw()
def getpixel(image,x,y):
array = image.get_pixels()
offset = (y*image.get_width()+x)*4
r,g,b,a = ord(array[offset]),ord(array[offset+1]),ord(array[offset+2]),ord(array[offset+3])
return (a<<24)+(b<<16)+(g<<8)+r
def setspritecontext(w,a,g):
global window,area,gc,black
window=w
area =a
gc = g
black = gc.get_colormap().alloc_color('black')
def spritelist(): return sprites
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