116 lines
4.1 KiB
Python
116 lines
4.1 KiB
Python
#!/usr/bin/env python
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""" Image function tests- Check that image print commands are sent correctly.
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:author: `Michael Billington <michael.billington@gmail.com>`_
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:organization: `python-escpos <https://github.com/python-escpos>`_
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:copyright: Copyright (c) 2016 `Michael Billington <michael.billington@gmail.com>`_
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:license: GNU GPL v3
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"""
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import escpos.printer as printer
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from PIL import Image
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# Raster format print
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def test_bit_image_black():
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"""
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Test printing solid black bit image (raster)
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"""
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instance = printer.Dummy()
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instance.image('test/resources/canvas_black.png', impl="bitImageRaster")
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assert(instance.output == b'\x1dv0\x00\x01\x00\x01\x00\x80')
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# Same thing w/ object created on the fly, rather than a filename
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instance = printer.Dummy()
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im = Image.new("RGB", (1, 1), (0, 0, 0))
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instance.image(im, impl="bitImageRaster")
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assert(instance.output == b'\x1dv0\x00\x01\x00\x01\x00\x80')
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def test_bit_image_white():
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"""
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Test printing solid white bit image (raster)
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"""
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instance = printer.Dummy()
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instance.image('test/resources/canvas_white.png', impl="bitImageRaster")
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assert(instance.output == b'\x1dv0\x00\x01\x00\x01\x00\x00')
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def test_bit_image_both():
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"""
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Test printing black/white bit image (raster)
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"""
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instance = printer.Dummy()
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instance.image('test/resources/black_white.png', impl="bitImageRaster")
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assert(instance.output == b'\x1dv0\x00\x01\x00\x02\x00\xc0\x00')
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def test_bit_image_transparent():
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"""
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Test printing black/transparent bit image (raster)
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"""
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instance = printer.Dummy()
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instance.image('test/resources/black_transparent.png', impl="bitImageRaster")
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assert(instance.output == b'\x1dv0\x00\x01\x00\x02\x00\xc0\x00')
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# Column format print
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def test_bit_image_colfmt_black():
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"""
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Test printing solid black bit image (column format)
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"""
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instance = printer.Dummy()
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instance.image('test/resources/canvas_black.png', impl="bitImageColumn")
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assert(instance.output == b'\x1b3\x10\x1b*!\x01\x00\x80\x00\x00\x0a\x1b2')
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def test_bit_image_colfmt_white():
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"""
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Test printing solid white bit image (column format)
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"""
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instance = printer.Dummy()
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instance.image('test/resources/canvas_white.png', impl="bitImageColumn")
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assert(instance.output == b'\x1b3\x10\x1b*!\x01\x00\x00\x00\x00\x0a\x1b2')
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def test_bit_image_colfmt_both():
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"""
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Test printing black/white bit image (column format)
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"""
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instance = printer.Dummy()
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instance.image('test/resources/black_white.png', impl="bitImageColumn")
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assert(instance.output == b'\x1b3\x10\x1b*!\x02\x00\x80\x00\x00\x80\x00\x00\x0a\x1b2')
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def test_bit_image_colfmt_transparent():
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"""
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Test printing black/transparent bit image (column format)
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"""
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instance = printer.Dummy()
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instance.image('test/resources/black_transparent.png', impl="bitImageColumn")
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assert(instance.output == b'\x1b3\x10\x1b*!\x02\x00\x80\x00\x00\x80\x00\x00\x0a\x1b2')
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# Graphics print
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def test_graphics_black():
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"""
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Test printing solid black graphics
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"""
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instance = printer.Dummy()
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instance.image('test/resources/canvas_black.png', impl="graphics")
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assert(instance.output == b'\x1d(L\x0b\x000p0\x01\x011\x01\x00\x01\x00\x80\x1d(L\x02\x0002')
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def test_graphics_white():
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"""
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Test printing solid white graphics
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"""
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instance = printer.Dummy()
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instance.image('test/resources/canvas_white.png', impl="graphics")
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assert(instance.output == b'\x1d(L\x0b\x000p0\x01\x011\x01\x00\x01\x00\x00\x1d(L\x02\x0002')
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def test_graphics_both():
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"""
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Test printing black/white graphics
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"""
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instance = printer.Dummy()
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instance.image('test/resources/black_white.png', impl="graphics")
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assert(instance.output == b'\x1d(L\x0c\x000p0\x01\x011\x02\x00\x02\x00\xc0\x00\x1d(L\x02\x0002')
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def test_graphics_transparent():
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"""
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Test printing black/transparent graphics
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"""
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instance = printer.Dummy()
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instance.image('test/resources/black_transparent.png', impl="graphics")
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assert(instance.output == b'\x1d(L\x0c\x000p0\x01\x011\x02\x00\x02\x00\xc0\x00\x1d(L\x02\x0002')
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