本文整理汇总了Python中tkinter.Canvas.itemcget方法的典型用法代码示例。如果您正苦于以下问题：Python Canvas.itemcget方法的具体用法？Python Canvas.itemcget怎么用？Python Canvas.itemcget使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类tkinter.Canvas的用法示例。
在下文中一共展示了Canvas.itemcget方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: TkLEDTableMixin
# 需要导入模块: from tkinter import Canvas [as 别名]
# 或者: from tkinter.Canvas import itemcget [as 别名]
#.........这里部分代码省略.........
return self._width, self._height
@dimensions.setter
def dimensions(self, value):
width, height = value
self._remove_all_pixels()
self._width, self._height = width, height
self._create_pixels()
# utility methods
def _create_pixels(self):
assert not self._pixels
for y in range(self.height):
pixels = []
self._pixels.append(pixels)
for x in range(self.width):
pixel = self._canvas.create_rectangle(0,0,1,1)
pixels.append(pixel)
self._update_configuration()
for y, row in enumerate(self._saved_pixels[:self.height]):
for x, color in enumerate(row[:self.width]):
self.set_pixel_color(x, y, color)
def _remove_all_pixels(self):
self._saved_pixels = [[self.get_pixel_color(x, y) for x in range(self.width)] for y in range(self.height)]
for pixel in self._all_pixels:
self._canvas.delete(pixel)
self._pixels = []
self._remove_pixel_order()
def _remove_pixel_order(self):
for line in self._pixel_order:
self._canvas.delete(line)
self._pixel_order = []
@property
def _all_pixels(self):
return chain.from_iterable(self._pixels)
def _update_configuration(self):
for y, row in enumerate(self._pixels):
for x, pixel in enumerate(row):
x_cor = x * self.pixel_width
y_cor = y * self.pixel_height
self._canvas.coords(pixel, x_cor, y_cor,
x_cor + self.pixel_width,
y_cor + self.pixel_height)
self._canvas.itemconfigure(pixel, outline = self.BORDER_COLOR,
fill = self.BACKGROUND_COLOR,
width = self.pixel_border)
self._canvas.configure(width = self.width * self.pixel_width,
height = self.height * self.pixel_height)
# pixel configuration
@property
def pixel_width(self):
return self._pixel_width
@pixel_width.setter
def pixel_width(self, value):
self._pixel_width = value
self._update_configuration()
self._remove_pixel_order()
@property
def pixel_height(self):
return self._pixel_height
@pixel_height.setter
def pixel_height(self, value):
self._pixel_height = value
self._update_configuration()
self._remove_pixel_order()
@property
def pixel_border(self):
return self._pixel_border
@pixel_border.setter
def pixel_border(self, value):
self._pixel_border = value
self._update_configuration()
# basic interface
def set_pixel_color(self, x, y, color):
self._canvas.itemconfigure(self._pixels[y][x], fill = color)
def get_pixel_color(self, x, y):
return self._canvas.itemcget(self._pixels[y][x], "fill")
def show_pixel_order(self, coordinates):
x_offset = (self.pixel_width + 1) / 2
y_offset = (self.pixel_height + 1) / 2
cor = [(x * self.pixel_width + x_offset, y * self.pixel_height + y_offset)
for x, y in coordinates]
for p1, p2 in zip(cor[:-1], cor[1:]):
(x1, y1), (x2, y2) = p1, p2
self._pixel_order.append(self._canvas.create_line(x1, y1, x2, y2, fill = self.PIXEL_ORDER_COLOR))