58 lines
1.8 KiB
Python
58 lines
1.8 KiB
Python
#!/usr/bin/env python
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#
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# (c) Copyright 2020, OP25
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#
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# This file is part of OP25 and part of GNU Radio
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#
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# OP25 is free software; you can redistribute it and/or modify it
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# under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3, or (at your option)
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# any later version.
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#
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# OP25 is distributed in the hope that it will be useful, but WITHOUT
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# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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# or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
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# 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 OP25; see the file COPYING. If not, write to the Free
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# Software Foundation, Inc., 51 Franklin Street, Boston, MA
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# 02110-1301, USA.
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""" generate named image file consisting of multi-line text """
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from PIL import Image, ImageDraw, ImageFont
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import os
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_TTF_FILE = '/usr/share/fonts/truetype/freefont/FreeSerif.ttf'
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def create_image(textlist=["Blank"], imgfile="test.png", bgcolor='red', fgcolor='black', windowsize=(400,300)):
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global _TTF_FILE
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width=windowsize[0]
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height=windowsize[1]
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margin = 4
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if not os.access(_TTF_FILE, os.R_OK):
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font = ImageFont.load_default()
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else:
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font = ImageFont.truetype(_TTF_FILE, 16)
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img = Image.new('RGB', (width, height), bgcolor)
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draw = ImageDraw.Draw(img)
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cursor = 0
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for line in textlist:
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w,h = draw.textsize(line, font)
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# TODO: overwidth check needed?
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if cursor+h >= height:
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break
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draw.text((margin, cursor), line,'black',font)
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cursor += h + margin // 2
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img.save(imgfile)
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if __name__ == '__main__':
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s = []
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s.append('Starting...')
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create_image(textlist=s, bgcolor='#c0c0c0')
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