def setBackgroundImage(self, event=None):
# print 'setBackgroundImage', self._bg_img
if not hasattr(self, '_bg_img'):
return
if not self._bg_img: # solid color
return
stretch = self._stretch_bg_image
save_aspect = self._save_aspect_bg_image
if Image:
if stretch:
w, h = self._geometry()
if save_aspect:
w0, h0 = self._bg_img.size
a = min(float(w0) / w, float(h0) / h)
w0, h0 = int(w0 / a), int(h0 / a)
im = self._bg_img.resize((w0, h0))
else:
im = self._bg_img.resize((w, h))
image = ImageTk.PhotoImage(im)
else:
image = ImageTk.PhotoImage(self._bg_img)
else: # not Image
stretch = 0
image = self._bg_img
for id in self.__tiles:
self.delete(id)
self.__tiles = []
# must keep a reference to the image, otherwise Python will
# garbage collect it...
self.__tileimage = image
if stretch:
#
if self.preview:
dx, dy = 0, 0
else:
dx, dy = -self.xmargin, -self.ymargin
id = self._x_create("image", dx, dy, image=image, anchor="nw")
self.tag_lower(id) # also see tag_lower above
self.__tiles.append(id)
else:
iw, ih = image.width(), image.height()
sw, sh = self._geometry()
for x in range(-self.xmargin, sw, iw):
for y in range(-self.ymargin, sh, ih):
id = self._x_create("image",
x,
y,
image=image,
anchor="nw")
self.tag_lower(id) # also see tag_lower above
self.__tiles.append(id)
return 1
def getShadowPIL(self, stack, cards):
x0, y0 = stack.getPositionFor(cards[0])
x1, y1 = stack.getPositionFor(cards[-1])
x0, x1 = min(x1, x0), max(x1, x0)
y0, y1 = min(y1, y0), max(y1, y0)
cw, ch = self.getSize()
x1 += cw
y1 += ch
w, h = x1 - x0, y1 - y0
if (w, h) in self._pil_shadow:
return self._pil_shadow[(w, h)]
# create mask
mask = Image.new('RGBA', (w, h))
for c in cards:
x, y = stack.getPositionFor(c)
x, y = x - x0, y - y0
im = c._active_image._pil_image
mask.paste(im, (x, y), im)
# create shadow
sh_color = (0x00, 0x00, 0x00, 0x50)
shadow = Image.new('RGBA', (w, h))
shadow.paste(sh_color, (0, 0, w, h), mask)
sx, sy = self.SHADOW_XOFFSET, self.SHADOW_YOFFSET
mask = mask.crop((sx, sy, w, h))
tmp = Image.new('RGBA', (w - sx, h - sy))
shadow.paste(tmp, (0, 0), mask)
shadow = ImageTk.PhotoImage(shadow)
self._pil_shadow[(w, h)] = shadow
return shadow
def _loadImage(self, name):
file = os.path.join(self.dir, name)
image = None
for ext in IMAGE_EXTENSIONS:
file = os.path.join(self.dir, name + ext)
if os.path.isfile(file):
if Image:
image = ImageTk.PhotoImage(Image.open(file))
else:
image = tkinter.PhotoImage(file=file)
break
return image
def copyImage(image, x, y, width, height):
if Image:
if isinstance(image, PIL_Image):
return ImageTk.PhotoImage(
image._pil_image.crop((x, y, x+width, y+height)))
dest = tkinter.PhotoImage(width=width, height=height)
assert dest.width() == width
assert dest.height() == height
dest.blank()
image.tk.call(dest, "copy", image.name, "-from", x, y, x+width, y+height)
assert dest.width() == width
assert dest.height() == height
return dest
def _createDisabledButtonImage(self, tkim):
# grayscale and light-up image
if not tkim:
return None
im = tkim._pil_image
dis_im = ImageOps.grayscale(im)
# color = '#ffffff'
# factor = 0.6
color = '#dedede'
factor = 0.7
sh = Image.new(dis_im.mode, dis_im.size, color)
tmp = Image.blend(dis_im, sh, factor)
dis_im = Image.composite(tmp, im, im)
dis_tkim = ImageTk.PhotoImage(image=dis_im)
return dis_tkim