Created
August 31, 2024 10:07
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A example to generate register definition with drawsvg module.
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| #!python | |
| # -*- coding: utf-8 -*- | |
| import drawsvg as draw | |
| # Reference: https://github.com/cduck/drawsvg/blob/master/docs/index.md | |
| reg = { | |
| '31': 'EN', | |
| '30:29': 'TYPE', | |
| '28:24': 'SCALE', | |
| '23:16': 'OPER', | |
| '15:8': 'SRC', | |
| '7:0': 'DST', | |
| } | |
| def make_reg(): | |
| gap = 2 | |
| sep_height = 5 | |
| height = 50 | |
| cell_width = 25 | |
| total_width = 32 * cell_width | |
| tick_min_y = 10 | |
| d = draw.Drawing(total_width, height, origin=(0, 0)) | |
| # Draw a rectangle | |
| r = draw.Rectangle(gap, gap, 800-gap*2, height-gap*2, stroke='black', fill='white', stroke_width=2) | |
| d.append(r) | |
| for i in range(32): | |
| d.append(draw.Line(i*cell_width, 0+gap, i*cell_width, sep_height+gap, stroke='black')) | |
| d.append(draw.Line(i*cell_width, (height-sep_height)-gap, i*cell_width, height-gap, stroke='black')) | |
| d.append(draw.Text(str(31-i), font_size=10, x=i * cell_width + cell_width/2, y=max(tick_min_y, sep_height+gap), fill='gray', center=True)) | |
| for field, name in reg.items(): | |
| if ':' not in field: | |
| start, end = field, field | |
| else: | |
| start, end = field.split(':') | |
| start = int(start) | |
| end = int(end) | |
| d.append(draw.Text(name, 14, x=(31 - (start + end - 1) / 2) * 25, y=(height/2)+gap, fill='black', center=True)) | |
| d.append(draw.Line((31-start)*25, 0+gap, (31-start)*25, height - gap, stroke='black')) | |
| d.save_svg('example.svg') | |
| d.save_png('example.png') | |
| if __name__ == '__main__': | |
| make_reg() |
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