Python中的魔杖矩形（）函数

rectangle()函数，顾名思义，该函数用于在Python中使用 wand.drawing 对象绘制圆。矩形接受许多参数，如左、上、右、下、宽度、高度等。

Syntax : wand.drawing.rectangle(left, top, right, bottom, width, height, radius, xradius, yradius)

Parameters :

Parameter	Input Type	Description
left	numbers.Real	x-offset of the rectangle to draw.
top	numbers.Real	y-offset of the rectangle to draw.
right	numbers.Real	second x-offset of the rectangle to draw. this parameter and width parameter are exclusive each other.
bottom	numbers.Real	second y-offset of the rectangle to draw. this parameter and height parameter are exclusive each other.
width	numbers.Real	the width of the rectangle to draw. this parameter and right parameter are exclusive each other.
height	numbers.Real	the height of the rectangle to draw. this parameter and bottom parameter are exclusive each other.
radius	numbers.Real	the corner rounding. this is a short-cut for setting both xradius, and yradius.
xradius	numbers.Real	the xradius corner in horizontal direction..
yradius	numbers.Real	the yradius corner in vertical direction.

示例 #1：

# Import different modules of wand
from wand.image import Image
from wand.drawing import Drawing
from wand.color import Color
import math
   
with Drawing() as draw:
    draw.fill_color = Color('GREEN')
    draw.rectangle(left = 25, top = 50, 
                   right = 175, bottom = 150)
  
    with Image(width = 200, height = 200, background = Color('lightgreen')) as image:
        draw(image)
        image.save(filename = "rectangle.png")

输出：

示例 #2：
为矩形设置角半径。

# Import different modules of wand
from wand.image import Image
from wand.drawing import Drawing
from wand.color import Color
import math
   
with Drawing() as draw:
    draw.fill_color = Color('GREEN')
    draw.rectangle(left = 25, top = 50, right = 175,
                          bottom = 150, radius = 25)
  
    with Image(width = 200, height = 200, background = Color('lightgreen')) as image:
        draw(image)
        image.save(filename = "rectangle.png")

输出：

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