231 lines
6.6 KiB
Python
231 lines
6.6 KiB
Python
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import os.path
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from lxml import etree
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font_size = 16
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margin = 18
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line_length = 16
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text_vertical_margin = 8
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color_main = '#0067b9'
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color_bg1 = '#c4e5ff'
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color_bg2 = '#ebf6ff'
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stroke_width = 3
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class hdl_component():
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@staticmethod
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def get_name(lib_name):
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return f"{lib_name.replace('/','-')}.svg"
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@staticmethod
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def render(env, lib_name, item):
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#ports, bus_interface
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dest_dir = os.path.join(env.srcdir, '_build/managed')
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dest_file = os.path.join(dest_dir, hdl_component.get_name(lib_name))
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def make_style(parent):
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style = etree.SubElement(parent, 'style').text = """
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a {
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text-decoration: none;
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}
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"""
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def make_gradient(parent):
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defs = etree.SubElement(parent, 'defs')
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gradient = etree.SubElement(defs, 'linearGradient', attrib={
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'id':'ip_background',
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'x1':'0', 'x2':'1', 'y1':'0', 'y2':'1'
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})
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etree.SubElement(gradient, 'stop', attrib={'offset':'0%', 'stop-color':color_bg1})
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etree.SubElement(gradient, 'stop', attrib={'offset':'100%', 'stop-color':color_bg2})
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def symbol_bus(parent):
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rect_height = font_size
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one_fifth_x = line_length/5
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one_fifth_y = rect_height/5
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x = 0; y = 0
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pattern = [[0,1,0,1,0],[0,0,0,0,0],[0,1,0,1,0],[0,0,0,0,0],[0,1,0,1,0]]
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etree.SubElement(parent, "rect", attrib={
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'x':'0', 'y':'0',
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'width':str(line_length), 'height':str(font_size),
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'fill':color_bg1,
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})
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for i in pattern:
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for j in i:
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if j:
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etree.SubElement(parent, "rect", attrib={
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'x':str(x), 'y':str(y),
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'width':str(one_fifth_x), 'height':str(one_fifth_y),
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'fill':color_main,
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})
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x = x+one_fifth_x
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x = 0
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y = y+one_fifth_y
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def symbol_port(parent):
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etree.SubElement(parent, "line", attrib={
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'stroke':'black',
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'stroke-width':str(stroke_width),
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'x1':'0', 'y1':str(font_size/2),
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'x2':str(line_length), 'y2':str(font_size/2)
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})
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def create_text(items, side):
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y_pos = margin*4
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if side == 'out':
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text_anchor = 'end'
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x_pos = margin*4 + aux_width
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line_x1 = x_pos+(margin)
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line_x2 = x_pos+(margin+line_length)
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x_pos_group = x_pos+margin
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scale_group = 'scale(1,1)'
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else:
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text_anchor = 'start'
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x_pos = margin*3
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line_x1 = x_pos-(margin+line_length)
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line_x2 = x_pos-(margin)
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x_pos_group = x_pos-margin
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scale_group = 'scale(-1,1)'
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for elem in items:
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if elem[1] == 'bus':
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link_anchor = f"#bus-interface-{elem[0]}"
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else:
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link_anchor = "#ports"
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link = etree.SubElement(root, "a", attrib={
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'href':link_anchor,
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})
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etree.SubElement(link, "text", attrib={
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'style':f"font: {font_size}px sans-serif",
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'text-anchor':text_anchor,
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'dominant-baseline':'middle',
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'x':str(x_pos), 'y':str(y_pos)
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}).text = elem[0]
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group = etree.SubElement(root, "g", attrib={
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'transform':f"translate({x_pos_group},{y_pos-font_size/2}) {scale_group}"}
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)
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if elem[1] == 'bus':
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symbol_bus(group)
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else:
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symbol_port(group)
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y_pos += font_size+text_vertical_margin
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ins = []
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outs = []
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for key in item['bus_interface']:
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if item['bus_interface'][key]['role'] == 'master':
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outs.append((key, 'bus'))
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else:
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ins.append((key, 'bus'))
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for key in item['ports']:
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if item['ports'][key]['direction'] == 'out':
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outs.append((key, 'port'))
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else:
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ins.append((key, 'port'))
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max_len_in = 0
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for elem in ins:
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max_len_in = len(elem[0]) if len(elem[0]) > max_len_in else max_len_in
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max_len_out = 0
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for elem in outs:
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max_len_out = len(elem[0]) if len(elem[0]) > max_len_out else max_len_out
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aux_width = (max_len_in+max_len_out)*font_size*.6
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num_outs = len(outs)
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num_ins = len(ins)
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max_num = max(num_outs, num_ins)
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root = etree.Element('svg', xmlns="http://www.w3.org/2000/svg")
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make_style(root)
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make_gradient(root)
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ip_width = aux_width + margin*3
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ip_height = max_num*(font_size+text_vertical_margin) + margin*2
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etree.SubElement(root, "rect", attrib={
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'x':str(margin*2), 'y':str(margin*2),
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'width':str(ip_width), 'height':str(ip_height),
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'rx':str(margin),
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'fill':'url(#ip_background)'
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})
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create_text(ins,'in')
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create_text(outs,'out')
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viewbox_x = margin*7 + aux_width
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viewbox_y = margin*7 + max_num*(font_size+text_vertical_margin)
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root.set('viewBox', f"0 0 {viewbox_x} {viewbox_y}")
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root.set('width', str(viewbox_x))
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root.set('height', str(viewbox_y))
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etree.SubElement(root, "rect", attrib={
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'x':str(margin*2), 'y':str(margin*2),
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'width':str(ip_width), 'height':str(ip_height),
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'rx':str(margin),
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'fill':'none',
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'stroke':color_main,
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'stroke-width':str(stroke_width)
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})
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ipname_y = viewbox_y-font_size-margin
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ipname_x = viewbox_x/2
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etree.SubElement(root, "text", attrib={
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'style':f"font: {font_size}px sans-serif",
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'fill': color_main,
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'text-anchor':'middle',
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'dominant-baseline':'middle',
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'x':str(ipname_x), 'y':str(ipname_y)
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}).text = lib_name[lib_name.rfind('/')+1:]
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tree = etree.ElementTree(root)
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if not os.path.exists(dest_dir):
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os.makedirs(dest_dir)
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tree.write(dest_file)
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@staticmethod
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def render_placeholder(lib_name):
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root = etree.Element('svg', xmlns="http://www.w3.org/2000/svg")
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def text_element(text, fs, x, y, font='sans-serif'):
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etree.SubElement(root, "text", attrib={
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'style':f"font: {font_size*fs}px {font}",
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'fill': '#666',
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'text-anchor':'middle',
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'dominant-baseline':'middle',
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'x':str(x), 'y':str(y)
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}).text = text
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ip_width = font_size*30
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ip_height = font_size*15
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etree.SubElement(root, "rect", attrib={
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'x':str(margin*2), 'y':str(margin*2),
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'width':str(ip_width), 'height':str(ip_height),
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'rx':str(margin),
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'stroke':'#666',
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'fill':'none',
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'stroke-width':str(stroke_width),
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'stroke-dasharray':'8 16',
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'stroke-linecap':'round'
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})
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viewbox_x = ip_width + 4*margin
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viewbox_y = ip_height + 4*margin
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root.set('viewBox', f"0 0 {viewbox_x} {viewbox_y}")
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root.set('width', str(viewbox_x))
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root.set('height', str(viewbox_y))
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text_y = viewbox_y/2.5
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text_x = viewbox_x/2
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text_element("🧐", 4, text_x, text_y-text_vertical_margin*2)
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text_element(f"{lib_name[lib_name.rfind('/')+1:]} IP-XACT not found.",
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1, text_x, text_y+font_size*2+text_vertical_margin)
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text_element("Generate it and the documentation:",
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.75, text_x, text_y+font_size*3+text_vertical_margin*2.5)
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text_element(f"(cd {lib_name}; make)",
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.75, text_x, text_y+font_size*4+text_vertical_margin*3, 'monospace')
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text_element("(cd docs; make html)",
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.75, text_x, text_y+font_size*5+text_vertical_margin*3.5, 'monospace')
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tree = etree.ElementTree(root)
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return etree.tostring(tree, encoding="utf-8", method="xml").decode("utf-8")
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