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%matplotlib inline
import matplotlib as mpl
import matplotlib.pyplot as plt
import svgpath2mpl


    

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EXAMPLES = {
    'triangle01': {
        'width': 400,
        'height': 400,
        'paths': [{
            'd': "M 100 100 L 300 100 L 200 300 z",
            'fill': "red",
            'stroke': "blue",
            'stroke-width': 3,
        }],
    },
    'cubic01': {
        'width': 500,
        'height': 400,
        'paths': [{
            'd': "M100,200 C100,100 250,100 250,200 S400,300 400,200",
            'fill': "none",
            'stroke': "red",
            'stroke-width': 5,
        }],
    },
    'quad01': {
        'width': 1200, 
        'height': 600,
        'paths': [{
            'd': "M200,300 Q400,50 600,300 T1000,300",
            'fill': "none",
            'stroke': "red",
            'stroke-width': 5,
        },
        {
            'd': "M200,300 L400,50 L600,300 L800,550 L1000,300",
            'fill': "none",
            'stroke': "#888888",
            'stroke-width': 2,
        }],
    },
    'heart': {
        'width': 100,
        'height': 100,
        'paths': [{
            'd': "M 10,30 "
                 "A 20,20 0,0,1 50,30 "
                 "A 20,20 0,0,1 90,30 "
                 "Q 90,60 50,90 "
                 "Q 10,60 10,30 z",
            "stroke": "red",
            'fill': 'none',
            'stroke-width': 6,
        }],
    },
    'arcs01': {
        'width': 1200,
        'height': 400,
        'paths': [{
            'd': "M300,200 h-150 a150,150 0 1,0 150,-150 z",
            'fill': "red",
            'stroke': "blue",
            'stroke-width': 5,
        },
        {
            'd': "M275,175 v-150 a150,150 0 0,0 -150,150 z",
            'fill': "yellow",
            'stroke': "blue",
            'stroke-width': 5,
        },
        {
            'd': "M600,350 l 50,-25 "
                 "a25,25 -30 0,1 50,-25 l 50,-25 "
                 "a25,50 -30 0,1 50,-25 l 50,-25 "
                 "a25,75 -30 0,1 50,-25 l 50,-25 "
                 "a25,100 -30 0,1 50,-25 l 50,-25",
            'fill': "none",
            'stroke': "red",
            'stroke-width': 5,        
        }],
    },
    'arcs02':{
        'width': 1200,
        'height': 400,
        'paths': [{
            'd': "M 125,75 a100,50 0 0,0 100,50",
            'fill': "none",
            'stroke': "red",
            'stroke-width': 6,
        },
        {
            'd': "M 875,75 a100,50 0 0,1 100,50",
            'fill': "none",
            'stroke': "red",
            'stroke-width': 6,   
        },
        {
            'd': "M 125,275 a100,50 0 1,0 100,50",
            'fill': "none",
            'stroke': "red",
            'stroke-width': 6,
        },
        {
            'd': "M 825,275 a100,50 0 1,1 100,50",
            'fill': "none",
            'stroke': "red",
            'stroke-width': 6,
        }],
    }
}


    

In [3]:

    

for name, config in EXAMPLES.items():
    fig = plt.figure(figsize=(12, 5.25))
    ax = fig.add_subplot(111)
    
    for d in config['paths']:
        path = svgpath2mpl.parse_path(d['d'])
        patch = mpl.patches.PathPatch(
            path, 
            facecolor=d.get('fill', 'none'), 
            edgecolor=d.get('stroke', 'black'), 
            linewidth=d.get('stroke-width', 1))
        patch.set_transform(ax.transData)
        ax.add_patch(patch)
    
    ax.set_aspect(1)
    ax.set_xlim([0, config.get('width', 800)])
    ax.set_ylim([config.get('height', 800), 0])
    plt.title(name)


    

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