52 lines
1.1 KiB
Python
Executable file
52 lines
1.1 KiB
Python
Executable file
#!/usr/bin/python3
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import gi
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gi.require_version('FPrint', '2.0')
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from gi.repository import FPrint, GLib
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import cairo
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import sys
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if len(sys.argv) != 2:
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print("Please specify exactly one argument, the output location for the capture image")
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sys.exit(1)
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ctx = GLib.main_context_default()
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c = FPrint.Context()
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c.enumerate()
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devices = c.get_devices()
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d = devices[0]
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del devices
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d.open_sync()
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img = d.capture_sync(True)
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d.close_sync()
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del d
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del c
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width = img.get_width()
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height = img.get_height()
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c_img = cairo.ImageSurface(cairo.FORMAT_RGB24, width, height)
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c_rowstride = c_img.get_stride()
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buf = img.get_data()
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c_buf = c_img.get_data()
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for x in range(width):
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for y in range(height):
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# The upper byte is don't care, but the location depends on endianness,
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# so just set all of them.
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c_buf[y * c_rowstride + x * 4 + 0] = buf[y * width + x]
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c_buf[y * c_rowstride + x * 4 + 1] = buf[y * width + x]
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c_buf[y * c_rowstride + x * 4 + 2] = buf[y * width + x]
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c_buf[y * c_rowstride + x * 4 + 3] = buf[y * width + x]
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c_img.mark_dirty()
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c_img.write_to_png(sys.argv[1])
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