707 lines
19 KiB
Python
707 lines
19 KiB
Python
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###############################################################################
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#
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# Vml - A class for writing the Excel XLSX Vml file.
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#
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# Copyright 2013-2019, John McNamara, jmcnamara@cpan.org
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#
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# Package imports.
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from . import xmlwriter
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class Vml(xmlwriter.XMLwriter):
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"""
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A class for writing the Excel XLSX Vml file.
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"""
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###########################################################################
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#
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# Public API.
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#
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###########################################################################
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def __init__(self):
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"""
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Constructor.
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"""
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super(Vml, self).__init__()
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###########################################################################
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#
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# Private API.
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#
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###########################################################################
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def _assemble_xml_file(self, data_id, vml_shape_id, comments_data=None,
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buttons_data=None, header_images_data=None):
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# Assemble and write the XML file.
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z_index = 1
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self._write_xml_namespace()
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# Write the o:shapelayout element.
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self._write_shapelayout(data_id)
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if buttons_data:
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# Write the v:shapetype element.
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self._write_button_shapetype()
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for button in buttons_data:
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# Write the v:shape element.
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vml_shape_id += 1
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self._write_button_shape(vml_shape_id, z_index, button)
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z_index += 1
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if comments_data:
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# Write the v:shapetype element.
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self._write_comment_shapetype()
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for comment in comments_data:
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# Write the v:shape element.
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vml_shape_id += 1
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self._write_comment_shape(vml_shape_id, z_index, comment)
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z_index += 1
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if header_images_data:
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# Write the v:shapetype element.
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self._write_image_shapetype()
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index = 1
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for image in header_images_data:
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# Write the v:shape element.
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vml_shape_id += 1
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self._write_image_shape(vml_shape_id, index, image)
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index += 1
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self._xml_end_tag('xml')
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# Close the XML writer filehandle.
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self._xml_close()
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def _pixels_to_points(self, vertices):
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# Convert comment vertices from pixels to points.
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left, top, width, height = vertices[8:12]
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# Scale to pixels.
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left *= 0.75
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top *= 0.75
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width *= 0.75
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height *= 0.75
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return left, top, width, height
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###########################################################################
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#
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# XML methods.
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#
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###########################################################################
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def _write_xml_namespace(self):
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# Write the <xml> element. This is the root element of VML.
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schema = 'urn:schemas-microsoft-com:'
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xmlns = schema + 'vml'
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xmlns_o = schema + 'office:office'
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xmlns_x = schema + 'office:excel'
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attributes = [
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('xmlns:v', xmlns),
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('xmlns:o', xmlns_o),
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('xmlns:x', xmlns_x),
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]
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self._xml_start_tag('xml', attributes)
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def _write_shapelayout(self, data_id):
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# Write the <o:shapelayout> element.
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attributes = [('v:ext', 'edit')]
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self._xml_start_tag('o:shapelayout', attributes)
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# Write the o:idmap element.
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self._write_idmap(data_id)
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self._xml_end_tag('o:shapelayout')
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def _write_idmap(self, data_id):
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# Write the <o:idmap> element.
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attributes = [
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('v:ext', 'edit'),
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('data', data_id),
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]
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self._xml_empty_tag('o:idmap', attributes)
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def _write_comment_shapetype(self):
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# Write the <v:shapetype> element.
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shape_id = '_x0000_t202'
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coordsize = '21600,21600'
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spt = 202
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path = 'm,l,21600r21600,l21600,xe'
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attributes = [
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('id', shape_id),
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('coordsize', coordsize),
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('o:spt', spt),
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('path', path),
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]
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self._xml_start_tag('v:shapetype', attributes)
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# Write the v:stroke element.
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self._write_stroke()
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# Write the v:path element.
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self._write_comment_path('t', 'rect')
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self._xml_end_tag('v:shapetype')
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def _write_button_shapetype(self):
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# Write the <v:shapetype> element.
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shape_id = '_x0000_t201'
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coordsize = '21600,21600'
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spt = 201
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path = 'm,l,21600r21600,l21600,xe'
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attributes = [
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('id', shape_id),
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('coordsize', coordsize),
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('o:spt', spt),
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('path', path),
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]
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self._xml_start_tag('v:shapetype', attributes)
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# Write the v:stroke element.
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self._write_stroke()
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# Write the v:path element.
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self._write_button_path()
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# Write the o:lock element.
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self._write_shapetype_lock()
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self._xml_end_tag('v:shapetype')
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def _write_image_shapetype(self):
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# Write the <v:shapetype> element.
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shape_id = '_x0000_t75'
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coordsize = '21600,21600'
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spt = 75
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o_preferrelative = 't'
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path = 'm@4@5l@4@11@9@11@9@5xe'
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filled = 'f'
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stroked = 'f'
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attributes = [
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('id', shape_id),
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('coordsize', coordsize),
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('o:spt', spt),
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('o:preferrelative', o_preferrelative),
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('path', path),
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('filled', filled),
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('stroked', stroked),
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]
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self._xml_start_tag('v:shapetype', attributes)
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# Write the v:stroke element.
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self._write_stroke()
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# Write the v:formulas element.
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self._write_formulas()
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# Write the v:path element.
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self._write_image_path()
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# Write the o:lock element.
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self._write_aspect_ratio_lock()
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self._xml_end_tag('v:shapetype')
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def _write_stroke(self):
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# Write the <v:stroke> element.
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joinstyle = 'miter'
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attributes = [('joinstyle', joinstyle)]
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self._xml_empty_tag('v:stroke', attributes)
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def _write_comment_path(self, gradientshapeok, connecttype):
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# Write the <v:path> element.
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attributes = []
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if gradientshapeok:
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attributes.append(('gradientshapeok', 't'))
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attributes.append(('o:connecttype', connecttype))
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self._xml_empty_tag('v:path', attributes)
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def _write_button_path(self):
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# Write the <v:path> element.
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shadowok = 'f'
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extrusionok = 'f'
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strokeok = 'f'
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fillok = 'f'
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connecttype = 'rect'
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attributes = [
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('shadowok', shadowok),
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('o:extrusionok', extrusionok),
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('strokeok', strokeok),
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('fillok', fillok),
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('o:connecttype', connecttype),
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]
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self._xml_empty_tag('v:path', attributes)
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def _write_image_path(self):
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# Write the <v:path> element.
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extrusionok = 'f'
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gradientshapeok = 't'
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connecttype = 'rect'
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attributes = [
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('o:extrusionok', extrusionok),
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('gradientshapeok', gradientshapeok),
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('o:connecttype', connecttype),
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]
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self._xml_empty_tag('v:path', attributes)
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def _write_shapetype_lock(self):
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# Write the <o:lock> element.
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ext = 'edit'
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shapetype = 't'
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attributes = [
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('v:ext', ext),
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('shapetype', shapetype),
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]
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self._xml_empty_tag('o:lock', attributes)
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def _write_rotation_lock(self):
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# Write the <o:lock> element.
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ext = 'edit'
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rotation = 't'
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attributes = [
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('v:ext', ext),
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('rotation', rotation),
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]
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self._xml_empty_tag('o:lock', attributes)
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def _write_aspect_ratio_lock(self):
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# Write the <o:lock> element.
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ext = 'edit'
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aspectratio = 't'
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attributes = [
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('v:ext', ext),
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('aspectratio', aspectratio),
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]
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self._xml_empty_tag('o:lock', attributes)
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def _write_comment_shape(self, shape_id, z_index, comment):
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# Write the <v:shape> element.
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shape_type = '#_x0000_t202'
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insetmode = 'auto'
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visibility = 'hidden'
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# Set the shape index.
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shape_id = '_x0000_s' + str(shape_id)
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# Get the comment parameters
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row = comment[0]
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col = comment[1]
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visible = comment[4]
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fillcolor = comment[5]
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vertices = comment[9]
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(left, top, width, height) = self._pixels_to_points(vertices)
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# Set the visibility.
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if visible:
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visibility = 'visible'
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style = (
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'position:absolute;'
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'margin-left:%.15gpt;'
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'margin-top:%.15gpt;'
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'width:%.15gpt;'
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'height:%.15gpt;'
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'z-index:%d;'
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'visibility:%s' % (left, top, width, height, z_index, visibility))
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attributes = [
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('id', shape_id),
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('type', shape_type),
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('style', style),
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('fillcolor', fillcolor),
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('o:insetmode', insetmode),
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]
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self._xml_start_tag('v:shape', attributes)
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# Write the v:fill element.
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self._write_comment_fill()
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# Write the v:shadow element.
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self._write_shadow()
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# Write the v:path element.
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self._write_comment_path(None, 'none')
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# Write the v:textbox element.
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self._write_comment_textbox()
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# Write the x:ClientData element.
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self._write_comment_client_data(row, col, visible, vertices)
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self._xml_end_tag('v:shape')
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def _write_button_shape(self, shape_id, z_index, button):
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# Write the <v:shape> element.
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shape_type = '#_x0000_t201'
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# Set the shape index.
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shape_id = '_x0000_s' + str(shape_id)
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# Get the button parameters.
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# row = button["_row"]
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# col = button["_col"]
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vertices = button["vertices"]
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(left, top, width, height) = self._pixels_to_points(vertices)
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style = (
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'position:absolute;'
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'margin-left:%.15gpt;'
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'margin-top:%.15gpt;'
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'width:%.15gpt;'
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'height:%.15gpt;'
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'z-index:%d;'
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'mso-wrap-style:tight' % (left, top, width, height, z_index))
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attributes = [
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('id', shape_id),
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('type', shape_type),
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('style', style),
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('o:button', 't'),
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('fillcolor', 'buttonFace [67]'),
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('strokecolor', 'windowText [64]'),
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('o:insetmode', 'auto'),
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]
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self._xml_start_tag('v:shape', attributes)
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# Write the v:fill element.
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self._write_button_fill()
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# Write the o:lock element.
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self._write_rotation_lock()
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# Write the v:textbox element.
|
||
|
|
self._write_button_textbox(button["font"])
|
||
|
|
|
||
|
|
# Write the x:ClientData element.
|
||
|
|
self._write_button_client_data(button)
|
||
|
|
|
||
|
|
self._xml_end_tag('v:shape')
|
||
|
|
|
||
|
|
def _write_image_shape(self, shape_id, z_index, image_data):
|
||
|
|
# Write the <v:shape> element.
|
||
|
|
shape_type = '#_x0000_t75'
|
||
|
|
|
||
|
|
# Set the shape index.
|
||
|
|
shape_id = '_x0000_s' + str(shape_id)
|
||
|
|
|
||
|
|
# Get the image parameters
|
||
|
|
width = image_data[0]
|
||
|
|
height = image_data[1]
|
||
|
|
name = image_data[2]
|
||
|
|
position = image_data[3]
|
||
|
|
x_dpi = image_data[4]
|
||
|
|
y_dpi = image_data[5]
|
||
|
|
|
||
|
|
# Scale the height/width by the resolution, relative to 72dpi.
|
||
|
|
width = width * 72.0 / x_dpi
|
||
|
|
height = height * 72.0 / y_dpi
|
||
|
|
|
||
|
|
# Excel uses a rounding based around 72 and 96 dpi.
|
||
|
|
width = 72.0 / 96 * int(width * 96.0 / 72 + 0.25)
|
||
|
|
height = 72.0 / 96 * int(height * 96.0 / 72 + 0.25)
|
||
|
|
|
||
|
|
style = (
|
||
|
|
'position:absolute;'
|
||
|
|
'margin-left:0;'
|
||
|
|
'margin-top:0;'
|
||
|
|
'width:%.15gpt;'
|
||
|
|
'height:%.15gpt;'
|
||
|
|
'z-index:%d' % (width, height, z_index))
|
||
|
|
|
||
|
|
attributes = [
|
||
|
|
('id', position),
|
||
|
|
('o:spid', shape_id),
|
||
|
|
('type', shape_type),
|
||
|
|
('style', style),
|
||
|
|
]
|
||
|
|
|
||
|
|
self._xml_start_tag('v:shape', attributes)
|
||
|
|
|
||
|
|
# Write the v:imagedata element.
|
||
|
|
self._write_imagedata(z_index, name)
|
||
|
|
|
||
|
|
# Write the o:lock element.
|
||
|
|
self._write_rotation_lock()
|
||
|
|
|
||
|
|
self._xml_end_tag('v:shape')
|
||
|
|
|
||
|
|
def _write_comment_fill(self):
|
||
|
|
# Write the <v:fill> element.
|
||
|
|
color_2 = '#ffffe1'
|
||
|
|
|
||
|
|
attributes = [('color2', color_2)]
|
||
|
|
|
||
|
|
self._xml_empty_tag('v:fill', attributes)
|
||
|
|
|
||
|
|
def _write_button_fill(self):
|
||
|
|
# Write the <v:fill> element.
|
||
|
|
color_2 = 'buttonFace [67]'
|
||
|
|
detectmouseclick = 't'
|
||
|
|
|
||
|
|
attributes = [
|
||
|
|
('color2', color_2),
|
||
|
|
('o:detectmouseclick', detectmouseclick),
|
||
|
|
]
|
||
|
|
|
||
|
|
self._xml_empty_tag('v:fill', attributes)
|
||
|
|
|
||
|
|
def _write_shadow(self):
|
||
|
|
# Write the <v:shadow> element.
|
||
|
|
on = 't'
|
||
|
|
color = 'black'
|
||
|
|
obscured = 't'
|
||
|
|
|
||
|
|
attributes = [
|
||
|
|
('on', on),
|
||
|
|
('color', color),
|
||
|
|
('obscured', obscured),
|
||
|
|
]
|
||
|
|
|
||
|
|
self._xml_empty_tag('v:shadow', attributes)
|
||
|
|
|
||
|
|
def _write_comment_textbox(self):
|
||
|
|
# Write the <v:textbox> element.
|
||
|
|
style = 'mso-direction-alt:auto'
|
||
|
|
|
||
|
|
attributes = [('style', style)]
|
||
|
|
|
||
|
|
self._xml_start_tag('v:textbox', attributes)
|
||
|
|
|
||
|
|
# Write the div element.
|
||
|
|
self._write_div('left')
|
||
|
|
|
||
|
|
self._xml_end_tag('v:textbox')
|
||
|
|
|
||
|
|
def _write_button_textbox(self, font):
|
||
|
|
# Write the <v:textbox> element.
|
||
|
|
style = 'mso-direction-alt:auto'
|
||
|
|
|
||
|
|
attributes = [('style', style), ('o:singleclick', 'f')]
|
||
|
|
|
||
|
|
self._xml_start_tag('v:textbox', attributes)
|
||
|
|
|
||
|
|
# Write the div element.
|
||
|
|
self._write_div('center', font)
|
||
|
|
|
||
|
|
self._xml_end_tag('v:textbox')
|
||
|
|
|
||
|
|
def _write_div(self, align, font=None):
|
||
|
|
# Write the <div> element.
|
||
|
|
|
||
|
|
style = 'text-align:' + align
|
||
|
|
|
||
|
|
attributes = [('style', style)]
|
||
|
|
|
||
|
|
self._xml_start_tag('div', attributes)
|
||
|
|
|
||
|
|
if font:
|
||
|
|
# Write the font element.
|
||
|
|
self._write_font(font)
|
||
|
|
|
||
|
|
self._xml_end_tag('div')
|
||
|
|
|
||
|
|
def _write_font(self, font):
|
||
|
|
# Write the <font> element.
|
||
|
|
caption = font["caption"]
|
||
|
|
face = 'Calibri'
|
||
|
|
size = 220
|
||
|
|
color = '#000000'
|
||
|
|
|
||
|
|
attributes = [
|
||
|
|
('face', face),
|
||
|
|
('size', size),
|
||
|
|
('color', color),
|
||
|
|
]
|
||
|
|
|
||
|
|
self._xml_data_element('font', caption, attributes)
|
||
|
|
|
||
|
|
def _write_comment_client_data(self, row, col, visible, vertices):
|
||
|
|
# Write the <x:ClientData> element.
|
||
|
|
object_type = 'Note'
|
||
|
|
|
||
|
|
attributes = [('ObjectType', object_type)]
|
||
|
|
|
||
|
|
self._xml_start_tag('x:ClientData', attributes)
|
||
|
|
|
||
|
|
# Write the x:MoveWithCells element.
|
||
|
|
self._write_move_with_cells()
|
||
|
|
|
||
|
|
# Write the x:SizeWithCells element.
|
||
|
|
self._write_size_with_cells()
|
||
|
|
|
||
|
|
# Write the x:Anchor element.
|
||
|
|
self._write_anchor(vertices)
|
||
|
|
|
||
|
|
# Write the x:AutoFill element.
|
||
|
|
self._write_auto_fill()
|
||
|
|
|
||
|
|
# Write the x:Row element.
|
||
|
|
self._write_row(row)
|
||
|
|
|
||
|
|
# Write the x:Column element.
|
||
|
|
self._write_column(col)
|
||
|
|
|
||
|
|
# Write the x:Visible element.
|
||
|
|
if visible:
|
||
|
|
self._write_visible()
|
||
|
|
|
||
|
|
self._xml_end_tag('x:ClientData')
|
||
|
|
|
||
|
|
def _write_button_client_data(self, button):
|
||
|
|
# Write the <x:ClientData> element.
|
||
|
|
macro = button["macro"]
|
||
|
|
vertices = button["vertices"]
|
||
|
|
|
||
|
|
object_type = 'Button'
|
||
|
|
|
||
|
|
attributes = [('ObjectType', object_type)]
|
||
|
|
|
||
|
|
self._xml_start_tag('x:ClientData', attributes)
|
||
|
|
|
||
|
|
# Write the x:Anchor element.
|
||
|
|
self._write_anchor(vertices)
|
||
|
|
|
||
|
|
# Write the x:PrintObject element.
|
||
|
|
self._write_print_object()
|
||
|
|
|
||
|
|
# Write the x:AutoFill element.
|
||
|
|
self._write_auto_fill()
|
||
|
|
|
||
|
|
# Write the x:FmlaMacro element.
|
||
|
|
self._write_fmla_macro(macro)
|
||
|
|
|
||
|
|
# Write the x:TextHAlign element.
|
||
|
|
self._write_text_halign()
|
||
|
|
|
||
|
|
# Write the x:TextVAlign element.
|
||
|
|
self._write_text_valign()
|
||
|
|
|
||
|
|
self._xml_end_tag('x:ClientData')
|
||
|
|
|
||
|
|
def _write_move_with_cells(self):
|
||
|
|
# Write the <x:MoveWithCells> element.
|
||
|
|
self._xml_empty_tag('x:MoveWithCells')
|
||
|
|
|
||
|
|
def _write_size_with_cells(self):
|
||
|
|
# Write the <x:SizeWithCells> element.
|
||
|
|
self._xml_empty_tag('x:SizeWithCells')
|
||
|
|
|
||
|
|
def _write_visible(self):
|
||
|
|
# Write the <x:Visible> element.
|
||
|
|
self._xml_empty_tag('x:Visible')
|
||
|
|
|
||
|
|
def _write_anchor(self, vertices):
|
||
|
|
# Write the <x:Anchor> element.
|
||
|
|
(col_start, row_start, x1, y1, col_end, row_end, x2, y2) = vertices[:8]
|
||
|
|
|
||
|
|
strings = [col_start, x1, row_start, y1, col_end, x2, row_end, y2]
|
||
|
|
strings = [str(i) for i in strings]
|
||
|
|
|
||
|
|
data = ", ".join(strings)
|
||
|
|
|
||
|
|
self._xml_data_element('x:Anchor', data)
|
||
|
|
|
||
|
|
def _write_auto_fill(self):
|
||
|
|
# Write the <x:AutoFill> element.
|
||
|
|
data = 'False'
|
||
|
|
|
||
|
|
self._xml_data_element('x:AutoFill', data)
|
||
|
|
|
||
|
|
def _write_row(self, data):
|
||
|
|
# Write the <x:Row> element.
|
||
|
|
self._xml_data_element('x:Row', data)
|
||
|
|
|
||
|
|
def _write_column(self, data):
|
||
|
|
# Write the <x:Column> element.
|
||
|
|
self._xml_data_element('x:Column', data)
|
||
|
|
|
||
|
|
def _write_print_object(self):
|
||
|
|
# Write the <x:PrintObject> element.
|
||
|
|
self._xml_data_element('x:PrintObject', 'False')
|
||
|
|
|
||
|
|
def _write_text_halign(self):
|
||
|
|
# Write the <x:TextHAlign> element.
|
||
|
|
self._xml_data_element('x:TextHAlign', 'Center')
|
||
|
|
|
||
|
|
def _write_text_valign(self):
|
||
|
|
# Write the <x:TextVAlign> element.
|
||
|
|
self._xml_data_element('x:TextVAlign', 'Center')
|
||
|
|
|
||
|
|
def _write_fmla_macro(self, data):
|
||
|
|
# Write the <x:FmlaMacro> element.
|
||
|
|
self._xml_data_element('x:FmlaMacro', data)
|
||
|
|
|
||
|
|
def _write_imagedata(self, image_index, o_title):
|
||
|
|
# Write the <v:imagedata> element.
|
||
|
|
attributes = [
|
||
|
|
('o:relid', 'rId' + str(image_index)),
|
||
|
|
('o:title', o_title),
|
||
|
|
]
|
||
|
|
|
||
|
|
self._xml_empty_tag('v:imagedata', attributes)
|
||
|
|
|
||
|
|
def _write_formulas(self):
|
||
|
|
# Write the <v:formulas> element.
|
||
|
|
self._xml_start_tag('v:formulas')
|
||
|
|
|
||
|
|
# Write the v:f elements.
|
||
|
|
self._write_formula('if lineDrawn pixelLineWidth 0')
|
||
|
|
self._write_formula('sum @0 1 0')
|
||
|
|
self._write_formula('sum 0 0 @1')
|
||
|
|
self._write_formula('prod @2 1 2')
|
||
|
|
self._write_formula('prod @3 21600 pixelWidth')
|
||
|
|
self._write_formula('prod @3 21600 pixelHeight')
|
||
|
|
self._write_formula('sum @0 0 1')
|
||
|
|
self._write_formula('prod @6 1 2')
|
||
|
|
self._write_formula('prod @7 21600 pixelWidth')
|
||
|
|
self._write_formula('sum @8 21600 0')
|
||
|
|
self._write_formula('prod @7 21600 pixelHeight')
|
||
|
|
self._write_formula('sum @10 21600 0')
|
||
|
|
|
||
|
|
self._xml_end_tag('v:formulas')
|
||
|
|
|
||
|
|
def _write_formula(self, eqn):
|
||
|
|
# Write the <v:f> element.
|
||
|
|
attributes = [('eqn', eqn)]
|
||
|
|
|
||
|
|
self._xml_empty_tag('v:f', attributes)
|