commit 329312fd134cdf2beb11ed5669358044ada42952 · cduck.me/drawsvg

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README.md

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       ```python

     

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       import drawSvg as draw

     

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       d = draw.Drawing(200, 100, origin='center')

     

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       d = draw.Drawing(200, 100, origin='center', displayInline=False)

     

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       # Draw an irregular polygon

     

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       d.append(draw.Lines(-80, -45,

     

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                           70, -49,

     

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                           95, 49,

     
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                   fill='#eeee00',

     

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                   stroke='black'))

     

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       # Draw a rectangle

     

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       d.append(draw.Rectangle(0,0,40,50, fill='#1248ff'))

     

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       # Draw a circle

     

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       d.append(draw.Circle(-40, -10, 30,

     

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                   fill='red', stroke_width=2, stroke='black'))

     

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       # Draw an arbitrary path (a triangle in this case)

     

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       p = draw.Path(stroke_width=2, stroke='green',

     

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                     fill='black', fill_opacity=0.5)

     

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       p.M(-30,5)  # Start path at point (-30, 5)

     
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       p.Z()       # Draw line to start

     

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       d.append(p)

     

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       # Draw multiple circular arcs

     

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       d.append(draw.ArcLine(60,-20,20,60,270,

     

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                   stroke='red', stroke_width=5, fill='red', fill_opacity=0.2))

     

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       d.append(draw.Arc(60,-20,20,60,270,cw=False,

     

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                   stroke='green', stroke_width=3, fill='none'))

     

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       d.append(draw.Arc(60,-20,20,270,60,cw=True,

     

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                   stroke='blue', stroke_width=1, fill='black', fill_opacity=0.3))

     

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       # Draw arrows

     

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       arrow = draw.Marker(-0.1, -0.5, 0.9, 0.5, scale=4, orient='auto')

     

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       arrow.append(draw.Lines(-0.1, -0.5, -0.1, 0.5, 0.9, 0, fill='red', close=True))

     

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       p = draw.Path(stroke='red', stroke_width=2, fill='none',

     

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                     marker_end=arrow)  # Add an arrow to the end of a path

     

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       p.M(20, -40)

     

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       p.L(20, -27)

     

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       p.L(0, -20)

     

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       d.append(p)

     

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       d.append(draw.Line(30, -20, 0, -10,

     

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                   stroke='red', stroke_width=2, fill='none',

     

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                   marker_end=arrow))  # Add an arrow to the end of a line

     

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       d.setPixelScale(2)  # Set number of pixels per geometry unit

     

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       #d.setRenderSize(400,200)  # Alternative to setPixelScale

+20

drawSvg/defs.py

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           def __init__(self, tag_name, **args):

     

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               super().__init__(**args)

     

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               self.TAG_NAME = tag_name

     

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       class Marker(DrawingDef):

     

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           ''' A small drawing that can be placed at the ends of (or along) a path.

     

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               This can be used for arrow heads or points on a graph for example.

     

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               By default, units are multiples of stroke width.'''

     

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           TAG_NAME = 'marker'

     

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           def __init__(self, minx, miny, maxx, maxy, scale=1, orient='auto',

     

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                        **kwargs):

     

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               width = maxx - minx

     

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               height = maxy - miny

     

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               kwargs = {

     

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                   'markerWidth': width if scale == 1 else float(width) * scale,

     

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                   'markerHeight': height if scale == 1 else float(height) * scale,

     

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                   'viewBox': '{} {} {} {}'.format(minx, -maxy, width, height),

     

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                   'orient': orient,

     

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                   **kwargs,

     

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               }

     

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               super().__init__(**kwargs)

examples/example1.png

This is a binary file and will not be displayed.

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examples/example1.svg

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       <svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"

     

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            width="400" height="200" viewBox="-100.0 -50.0 200 100">

     

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       <defs>

     

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       <marker markerWidth="4.0" markerHeight="4.0" viewBox="-0.1 -0.5 1.0 1.0" orient="auto" id="d0">

     

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       <path d="M-0.1,0.5 L-0.1,-0.5 L0.9,0 Z" fill="red" />

     

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       </marker>

     

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       </defs>

     

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       <path d="M-80,45 L70,49 L95,-49 L-90,-40" fill="#eeee00" stroke="black" />

     

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       <rect x="0" y="-50" width="40" height="50" fill="#1248ff" />

     
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       <circle cx="60" cy="20" r="20" stroke-dasharray="73.30382858376184 52.35987755982988" stroke-dashoffset="-31.41592653589793" stroke="red" stroke-width="5" fill="red" fill-opacity="0.2" />

     

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       <path d="M70.0,2.679491924311229 A20,20,0,1,0,59.99999999999999,40.0" stroke="green" stroke-width="3" fill="none" />

     

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       <path d="M59.99999999999999,40.0 A20,20,0,1,1,70.0,2.679491924311229" stroke="blue" stroke-width="1" fill="black" fill-opacity="0.3" />

     

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       <path d="M20,40 L20,27 L0,20" stroke="red" stroke-width="2" fill="none" marker-end="url(#d0)" />

     

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       <path d="M30,20 L0,10" stroke="red" stroke-width="2" fill="none" marker-end="url(#d0)" />

     

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       </svg>