willsonlincake 发表于 2022-4-15 13:20:57

Python SVG

import drawSvg as draw

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

# Draw an irregular polygon
d.append(draw.Lines(-80, -45,
                  70, -49,
                  95, 49,
                  -90, 40,
                  close=False,
            fill='#eeee00',
            stroke='black'))

# Draw a rectangle
r = draw.Rectangle(-80,0,40,50, fill='#1248ff')
r.appendTitle("Our first rectangle")# Add a tooltip
d.append(r)

# Draw a circle
d.append(draw.Circle(-40, -10, 30,
            fill='red', stroke_width=2, stroke='black'))

# Draw an arbitrary path (a triangle in this case)
p = draw.Path(stroke_width=2, stroke='lime',
            fill='black', fill_opacity=0.2)
p.M(-10, 20)# Start path at point (-10, 20)
p.C(30, -10, 30, 50, 70, 20)# Draw a curve to (70, 20)
d.append(p)

# Draw text
d.append(draw.Text('Basic text', 8, -10, 35, fill='blue'))# Text with font size 8
d.append(draw.Text('Path text', 8, path=p, text_anchor='start', valign='middle'))
d.append(draw.Text(['Multi-line', 'text'], 8, path=p, text_anchor='end'))

# Draw multiple circular arcs
d.append(draw.ArcLine(60,-20,20,60,270,
            stroke='red', stroke_width=5, fill='red', fill_opacity=0.2))
d.append(draw.Arc(60,-20,20,60,270,cw=False,
            stroke='green', stroke_width=3, fill='none'))
d.append(draw.Arc(60,-20,20,270,60,cw=True,
            stroke='blue', stroke_width=1, fill='black', fill_opacity=0.3))

# Draw arrows
arrow = draw.Marker(-0.1, -0.5, 0.9, 0.5, scale=4, orient='auto')
arrow.append(draw.Lines(-0.1, -0.5, -0.1, 0.5, 0.9, 0, fill='red', close=True))
p = draw.Path(stroke='red', stroke_width=2, fill='none',
            marker_end=arrow)# Add an arrow to the end of a path
p.M(20, -40).L(20, -27).L(0, -20)# Chain multiple path operations
d.append(p)
d.append(draw.Line(30, -20, 0, -10,
            stroke='red', stroke_width=2, fill='none',
            marker_end=arrow))# Add an arrow to the end of a line

d.setPixelScale(2)# Set number of pixels per geometry unit
#d.setRenderSize(400,200)# Alternative to setPixelScale
d.saveSvg('example.svg')
d.savePng('example.png')

# Display in Jupyter notebook
d.rasterize()# Display as PNG
d# Display as SVG

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