71 lines
2.0 KiB
Python
71 lines
2.0 KiB
Python
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#!/usr/bin/env python
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# This program source code file is part of KiCad, a free EDA CAD application.
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#
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# Copyright (C) 2016 CERN
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# @author Maciej Suminski <maciej.suminski@cern.ch>
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License
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# as published by the Free Software Foundation; either version 2
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# of the License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, you may find one here:
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# http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
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# or you may search the http://www.gnu.org website for the version 2 license,
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# or you may write to the Free Software Foundation, Inc.,
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# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
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# Converts a bitmap font atlas image in PNG format to raw pixel data stored
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# in a C structure.
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import os
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import png
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import sys
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def convert(png_file):
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r = png.Reader(file=open(png_file, 'rb'))
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img = r.read()
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output = open(os.path.splitext(png_file)[0] + '_img.c', 'w')
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width = img[0]
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height = img[1]
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# Header
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output.write(
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"""
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/* generated with png2struct.py, do not modify by hand */
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static const struct {
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unsigned int width, height;
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unsigned char pixels[%d * %d];
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} bitmap_font = {
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""" % (width, height));
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output.write('%d, %d,\n{' % (width, height))
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for row in img[2]:
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for p in row:
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output.write('%d,' % p)
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output.write('\n');
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output.write('}\n};\n')
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output.close()
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#----------------------------------------------------------------------
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if __name__ == "__main__":
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argc = len(sys.argv)
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if(argc == 2):
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convert(sys.argv[1])
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else:
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print("usage: %s <xml-file>" % sys.argv[0])
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