89 lines
2.8 KiB
Python
89 lines
2.8 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 description in XML format to data stored
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# in a C structure.
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import xml.etree.cElementTree as ET
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import sys
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import os
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def convert(xml_file):
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tree = ET.ElementTree(file=xml_file)
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root = tree.getroot()
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output = open(os.path.splitext(xml_file)[0] + '_desc.c', 'w')
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# Header
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output.write(
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"""
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/* generated with fnt2struct.py, do not modify by hand */
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static const struct bitmap_glyph {
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unsigned int x, y;
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unsigned int width, height;
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int x_off, y_off;
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} bitmap_chars[] = {
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""");
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last_id = 0
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fallback_line = '{ 0, 0, 0, 0, 0, 0 },\t\t/* %d (not defined) */\n'
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for char in root.iter('char'):
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cur_id = int(char.attrib['id'])
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# Fill gaps for the missing characters
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while(cur_id > last_id):
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output.write(fallback_line % last_id)
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last_id = last_id + 1
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output.write('{ %d, %d, %d, %d, %d, %d },\t/* %d */\n' %
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(int(char.attrib['x']), int(char.attrib['y']),
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int(char.attrib['width']), int(char.attrib['height']),
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int(char.attrib['xoffset']), int(char.attrib['yoffset']),
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cur_id))
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last_id = cur_id + 1
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output.write('};\n')
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output.write('static const int bitmap_chars_count = %d;\n' % last_id)
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try:
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lineHeight = int(root.find('common').get('lineHeight'))
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except:
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print('Could not determine the font height')
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lineHeight = -1
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output.write('static const int bitmap_chars_height = %d;\n' % (lineHeight))
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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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