def chart_css(fill, style, color):
'''Function to add opacity to charts.'''
fill.solid()
pix_to_inch = 100000
fill.fore_color.rgb = RGBColor.from_string(utils.convert_color_code(color))
solid_fill = fill.fore_color._xFill
alpha = OxmlElement('a:alpha')
alpha.set('val', '%d' % (pix_to_inch * style.get('opacity', 1.0)))
solid_fill.srgbClr.append(alpha)
return fill
def fill_opacity(fill: FillFormat, val: Union[int, float, None]) -> None:
'''Set the FillFormat opacity to a number'''
if fill.type != MSO_FILL.SOLID:
raise ValueError('Cannot set opacity: %r on non-solid fill type %r' % (val, fill.type))
for tag in ('hslClr', 'sysClr', 'srgbClr', 'prstClr', 'scrgbClr', 'schemeClr'):
color = fill._xPr.find('.//' + qn('a:%s' % tag))
if color is not None:
alpha = color.find(qn('a:alpha'))
if alpha is None:
alpha = OxmlElement('a:alpha')
color.append(alpha)
alpha.set('val', ST_Percentage.convert_to_xml(val))
break
def get_or_add_link(shape, type, event):
# el is the lxml element of the shape. Can be ._element or ._run
el = getattr(shape, conf['link-attrs'][type]['el'])
# parent is the container inside which we insert the link. Can be p:cNvPr or a:rPr
parent = el.find('.//' + conf['link-attrs'][type]['tag'], _nsmap)
# Create link if required. (Else preserve all attributes one existing link, like tooltip)
link = parent.find(qn('a:%s' % event))
if link is None:
link = OxmlElement('a:%s' % event)
parent.insert(0, link)
return link
def SubElement(self, parent, tagname, **kwargs): # Para personalizar as características do slide
element = OxmlElement(tagname)
element.attrib.update(kwargs)
parent.append(element)
return element
def _new_off(self):
off = OxmlElement("a:off")
off.x = 0
off.y = 0
return off
def _new_ext(self):
ext = OxmlElement("a:ext")
ext.cx = 0
ext.cy = 0
return ext
def SubElement(parent, tagname, **kwargs):
element = OxmlElement(tagname)
element.attrib.update(kwargs)
parent.append(element)
return element
def sub_element(parent, tagname, **kwargs): # necessary for table formatting
element = OxmlElement(tagname)
element.attrib.update(kwargs)
parent.append(element)
return element
def _new_off(self):
off = OxmlElement("a:off")
off.x = 0
off.y = 0
return off
def _new_ext(self):
ext = OxmlElement("a:ext")
ext.cx = 0
ext.cy = 0
return ext