Line#

class svgwrite.shapes.Line(start=(0, 0), end=(0, 0), **extra)#

The line element defines a line segment that starts at one point and ends at another.

参见

http://www.w3.org/TR/SVG11/shapes.html#LineElement

Line.__init__(start=(0, 0), end=(0, 0), **extra)#
参数:

  • start (2-tuple) – start point (x1, y1)

  • end (2-tuple) – end point (x2, y2)

  • extra – additional SVG attributes as keyword-arguments

SVG 属性#

SVG Attributes

  • x1 – <coordinate> – start parameter

  • y1 – <coordinate> – start parameter

  • x2 – <coordinate> – end parameter

  • y2 – <coordinate> – end parameter

常见 SVG 属性#

Common SVG Attributes

这些是线条、矩形、圆形、椭圆、多边形和多边形常见的 SVG 属性。

  • class – string

    将一个或多个 CSS 类名分配给一个元素。

  • style – string

    允许在给定元素上直接指定每个元素的 CSS 样式规则。

  • externalResourcesRequired – bool

    False：如果即使外部资源不可用，文档渲染也能继续进行；否则为 True。

  • transform – 使用 svgwrite.mixins.Transform 接口。

These are the common SVG Attributes for Line, Rect, Circle, Ellipse, Poliyline and Polygon.

  • class – string

    assigns one or more css-class-names to an element

  • style – string

    allows per-element css-style rules to be specified directly on a given element

  • externalResourcesRequired – bool

    False: if document rendering can proceed even if external resources are unavailable else: True

  • transform – use svgwrite.mixins.Transform interface

常见标准 SVG 属性#

Common Standard SVG Attributes

这些是线、矩形、圆、椭圆、多段线和多边形的常见标准 SVG 属性。

These are the common Standard SVG Attributes for Line, Rect, Circle, Ellipse, Poliyline and Polygon.

父类#

Parent Classes

Rect#

class svgwrite.shapes.Rect(insert=(0, 0), size=(1, 1), rx=None, ry=None, **extra)#

The rect element defines a rectangle which is axis-aligned with the current user coordinate system. Rounded rectangles can be achieved by setting appropriate values for attributes rx and ry.

参见

http://www.w3.org/TR/SVG11/shapes.html#RectElement

Rect.__init__(insert=(0, 0), size=(1, 1), rx=None, ry=None, **extra)#
参数:

  • insert (2-tuple) – insert point (x, y), left-upper point

  • size (2-tuple) – (width, height)

  • rx (<length>) – corner x-radius

  • ry (<length>) – corner y-radius

  • extra – additional SVG attributes as keyword-arguments

SVG 属性#

SVG Attributes

  • x – <coordinate> – 插入 参数

    矩形的那一侧的 x 轴坐标，具有较小的 x 轴坐标值

  • y – <coordinate> – 插入 参数

    矩形的那一侧的 y 轴坐标，具有较小的 y 轴坐标值

  • width – <length> – 大小 参数

  • height – <length> – 大小 参数

  • rx – <length> – rx 参数

    对于圆角矩形，用于圆化矩形角落的椭圆的 y 轴半径。

  • ry – <length> – ry 参数

    对于圆角矩形，用于圆化矩形角落的椭圆的 y 轴半径。

  • x – <coordinate> – insert parameter

    The x-axis coordinate of the side of the rectangle which has the smaller x-axis coordinate value

  • y – <coordinate> – insert parameter

    The y-axis coordinate of the side of the rectangle which has the smaller y-axis coordinate value

  • width – <length> – size parameter

  • height – <length> – size parameter

  • rx – <length> – rx parameter

    For rounded rectangles, the y-axis radius of the ellipse used to round off the corners of the rectangle.

  • ry – <length> – ry parameter

    For rounded rectangles, the y-axis radius of the ellipse used to round off the corners of the rectangle.

父类#

Parent Classes

Circle#

class svgwrite.shapes.Circle(center=(0, 0), r=1, **extra)#

The circle element defines a circle based on a center point and a radius.

参见

http://www.w3.org/TR/SVG11/shapes.html#CircleElement

Circle.__init__(center=(0, 0), r=1, **extra)#
参数:

  • center (2-tuple) – circle center point (cx, cy)

  • r (length) – circle-radius r

  • extra – additional SVG attributes as keyword-arguments

SVG 属性#

SVG Attributes

  • cx – <coordinate> – 中心 参数

    圆心的 x 轴坐标。

  • cy – <coordinate> – 中心 参数

    圆心的 y 轴坐标。

  • r – <length> – r 参数

    圆的半径。

  • cx – <coordinate> – center parameter

    The x-axis coordinate of the center of the circle.

  • cy – <coordinate> – center parameter

    The y-axis coordinate of the center of the circle.

  • r – <length> – r parameter

    The radius of the circle.

父类#

Parent Classes

Ellipse#

class svgwrite.shapes.Ellipse(center=(0, 0), r=(1, 1), **extra)#

The ellipse element defines an ellipse which is axis-aligned with the current user coordinate system based on a center point and two radii.

参见

http://www.w3.org/TR/SVG11/shapes.html#EllipseElement

Ellipse.__init__(center=(0, 0), r=(1, 1), **extra)#
参数:

  • center (2-tuple) – ellipse center point (cx, cy)

  • r (2-tuple) – ellipse radii (rx, ry)

  • extra – additional SVG attributes as keyword-arguments

SVG 属性#

SVG Attributes

  • cx – <coordinate> – 中心 参数

    椭圆的圆心的 x 轴坐标。

  • cy – <coordinate> – 中心 参数

    椭圆的圆心的 y 轴坐标。

  • rx – <length> – r 参数

    椭圆的 x 轴半径。

  • ry – <length> – r 参数

    椭圆的 y 轴半径。

  • cx – <coordinate> – center parameter

    The x-axis coordinate of the center of the ellipse.

  • cy – <coordinate> – center parameter

    The y-axis coordinate of the center of the ellipse.

  • rx – <length> – r parameter

    The x-axis radius of the ellipse.

  • ry – <length> – r parameter

    The y-axis radius of the ellipse.

父类#

Parent Classes

Polyline#

class svgwrite.shapes.Polyline(points=[], **extra)#

The polyline element defines a set of connected straight line segments. Typically, polyline elements define open shapes.

参见

http://www.w3.org/TR/SVG11/shapes.html#PolylineElement

Polyline.__init__(points=[], **extra)#
参数:

  • points (iterable) – iterable of points (points are 2-tuples)

  • extra – additional SVG attributes as keyword-arguments

属性#

Attributes

Polyline.points#

点的 list，一个点是一个 2-tuple (x, y): x, y = <number>

list of points, a point is a 2-tuple (x, y): x, y = <number>

SVG 属性#

SVG Attributes

  • points – list of points – points 参数

    构成折线的点。所有坐标值都在 用户坐标系统 中（不允许使用单位）。

如何追加点:

Polyline.points.append( point )
Polyline.points.extend( [point1, point2, point3, ...] )

  • points – list of points – points parameter

    The points that make up the polyline. All coordinate values are in the user coordinate system (no units allowed).

How to append points:

Polyline.points.append( point )
Polyline.points.extend( [point1, point2, point3, ...] )

父类#

Parent Classes

Polygon#

class svgwrite.shapes.Polygon(points=[], **extra)#

The polygon element defines a closed shape consisting of a set of connected straight line segments.

Same as Polyline but closed.

参见

http://www.w3.org/TR/SVG11/shapes.html#PolygonElement

父类#

Parent Classes

Basic Shapes Examples#


import svgwrite
from svgwrite import cm, mm   


def basic_shapes(name):
    dwg = svgwrite.Drawing(filename=name, debug=True)
    hlines = dwg.add(dwg.g(id='hlines', stroke='green'))
    for y in range(20):
        hlines.add(dwg.line(start=(2*cm, (2+y)*cm), end=(18*cm, (2+y)*cm)))
    vlines = dwg.add(dwg.g(id='vline', stroke='blue'))
    for x in range(17):
        vlines.add(dwg.line(start=((2+x)*cm, 2*cm), end=((2+x)*cm, 21*cm)))
    shapes = dwg.add(dwg.g(id='shapes', fill='red'))

    # set presentation attributes at object creation as SVG-Attributes
    circle = dwg.circle(center=(15*cm, 8*cm), r='2.5cm', stroke='blue', stroke_width=3)
    circle['class'] = 'class1 class2'
    shapes.add(circle)

    # override the 'fill' attribute of the parent group 'shapes'
    shapes.add(dwg.rect(insert=(5*cm, 5*cm), size=(45*mm, 45*mm),
                        fill='blue', stroke='red', stroke_width=3))

    # or set presentation attributes by helper functions of the Presentation-Mixin
    ellipse = shapes.add(dwg.ellipse(center=(10*cm, 15*cm), r=('5cm', '10mm')))
    ellipse.fill('green', opacity=0.5).stroke('black', width=5).dasharray([20, 20])
    dwg.save()


if __name__ == '__main__':
    basic_shapes('basic_shapes.svg')

basic_shapes.svg#

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