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