def add_line(self, instance_xtype):
'''
Draw svg line representing DiffxElement.
:param instance_xtype: XTypes.DiffxElement
'''
_text = instance_xtype.name()
_w, _h = render_text.Render.get_text_size(_text)
_h += _h * 0.25
_svg = SVG(insert=(self.pos_x, self.pos_y), width=_w, height=_h)
_text_svg = Text(_text)
_text_svg['x'] = 0
_text_svg['y'] = _h - _h * 0.25
_text_svg['font-size'] = self.font_size
_text_svg['font-family'] = self.font_family
_text_svg['opacity'] = 1.0
_text_svg['fill'] = rgb(0, 0, 0)
_rect_svg = Rect()
_rect_svg['x'] = 0
_rect_svg['y'] = 0
_rect_svg['fill'] = instance_xtype.fill
_rect_svg['opacity'] = instance_xtype.opacity
_rect_svg['height'] = _h
_rect_svg['width'] = _w
_svg.add(_text_svg)
_svg.add(_rect_svg)
_svg.viewbox(0, 0, _w, _h)
self.pos_y = self.pos_y + _h
self.pos_x_max = max(self.pos_x_max, _w + self.pos_x)
self.pos_y_max = max(self.pos_y_max, self.pos_y)
return _svg
def add_text_box(self, dx_nodes):
'''
Simple text box with fixed width.
:param dx_nodes: XTypes.DiffxElement
'''
_text = self.get_element_text(dx_nodes.node)
_lines = self._lines_callback(_text)
_y = copy.deepcopy(self.pos_y)
_svg = SVG(insert=(self.pos_x, self.pos_y))
_t = Text('',
insert=(0, 0),
font_size=self.font_size,
font_family=self.font_family)
_h = 0
_w = 0
for _line, _width, _height in _lines:
_h = _h + float(_height)
_w = max(_w, float(_width))
_text = TSpan(_line, fill="black", insert=(0, _h))
_t.add(_text)
self.pos_y = self.pos_y + _h
self.pos_y_max = max(self.pos_y_max, self.pos_y)
self.pos_x_max = max(self.pos_x_max, _w + self.pos_x)
_svg['height'] = _h
_svg['width'] = _w
_svg.viewbox(0, 0, _w, _h)
_svg.add(_t)
return _svg