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3 examples of 'python convert png to jpg' in Python

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elvisyjlin/lf2gym
12def png2rgb(b64png):
13    b = base64.b64decode(b64png)
14    i = io.BytesIO(b)
15    img = mpimg.imread(i, format='PNG')
16    # # Pretty slow
17    # img = Image.open(i)
18    # i = np.array(img.getdata(), np.uint8).reshape(img.size[1], img.size[0], 3)
19    return img
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minrk/ipython_extensions
32def png2x(fig):
33    """render figure to 2x PNG via HTML"""
34    import matplotlib
35    if not fig.axes and not fig.lines:
36        return
37    # double DPI
38    dpi = 2 * matplotlib.rcParams['savefig.dpi']
39    pngbytes = print_figure(fig, fmt='png', dpi=dpi)
40    x,y = pngxy(pngbytes)
41    x2x = x // 2
42    y2x = y // 2
43    png64 = encodestring(pngbytes).decode('ascii')
44    return u"<img src='data:image/png;base64,%s' width=%i height=%i/>" % (png64, x2x, y2x)
esitarski/CrossMgr
41def frameToJPeg( frame ):
42	jpeg = cv2.imencode('.jpg', frame)[1].tostring()
43	jpegFramesCache[bytes(jpeg)] = frame
44	return jpeg

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