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# encoding: utf-8
"""
Custom element classes for shape-related elements like ``<w:inline>``
"""
from . import parse_xml
from .ns import nsdecls
from .simpletypes import (
ST_Coordinate, ST_DrawingElementId, ST_PositiveCoordinate,
ST_RelationshipId, XsdString, XsdToken
)
from .xmlchemy import (
BaseOxmlElement, OneAndOnlyOne, OptionalAttribute, RequiredAttribute,
ZeroOrOne
)
class CT_Blip(BaseOxmlElement):
"""
``<a:blip>`` element, specifies image source and adjustments such as
alpha and tint.
"""
embed = OptionalAttribute('r:embed', ST_RelationshipId)
link = OptionalAttribute('r:link', ST_RelationshipId)
class CT_BlipFillProperties(BaseOxmlElement):
"""
``<pic:blipFill>`` element, specifies picture properties
"""
blip = ZeroOrOne('a:blip', successors=(
'a:srcRect', 'a:tile', 'a:stretch'
))
class CT_GraphicalObject(BaseOxmlElement):
"""
``<a:graphic>`` element, container for a DrawingML object
"""
graphicData = OneAndOnlyOne('a:graphicData')
class CT_GraphicalObjectData(BaseOxmlElement):
"""
``<a:graphicData>`` element, container for the XML of a DrawingML object
"""
pic = ZeroOrOne('pic:pic')
uri = RequiredAttribute('uri', XsdToken)
class CT_Inline(BaseOxmlElement):
"""
``<w:inline>`` element, container for an inline shape.
"""
extent = OneAndOnlyOne('wp:extent')
docPr = OneAndOnlyOne('wp:docPr')
graphic = OneAndOnlyOne('a:graphic')
@classmethod
def new(cls, cx, cy, shape_id, pic):
"""
Return a new ``<wp:inline>`` element populated with the values passed
as parameters.
"""
inline = parse_xml(cls._inline_xml())
inline.extent.cx = cx
inline.extent.cy = cy
inline.docPr.id = shape_id
inline.docPr.name = 'Picture %d' % shape_id
inline.graphic.graphicData.uri = (
'http://schemas.openxmlformats.org/drawingml/2006/picture'
)
inline.graphic.graphicData._insert_pic(pic)
return inline
@classmethod
def new_pic_inline(cls, shape_id, rId, filename, cx, cy):
"""
Return a new `wp:inline` element containing the `pic:pic` element
specified by the argument values.
"""
pic_id = 0 # Word doesn't seem to use this, but does not omit it
pic = CT_Picture.new(pic_id, filename, rId, cx, cy)
inline = cls.new(cx, cy, shape_id, pic)
inline.graphic.graphicData._insert_pic(pic)
return inline
@classmethod
def _inline_xml(cls):
return (
'<wp:inline %s>\n'
' <wp:extent cx="914400" cy="914400"/>\n'
' <wp:docPr id="666" name="unnamed"/>\n'
' <wp:cNvGraphicFramePr>\n'
' <a:graphicFrameLocks noChangeAspect="1"/>\n'
' </wp:cNvGraphicFramePr>\n'
' <a:graphic>\n'
' <a:graphicData uri="URI not set"/>\n'
' </a:graphic>\n'
'</wp:inline>' % nsdecls('wp', 'a', 'pic', 'r')
)
class CT_NonVisualDrawingProps(BaseOxmlElement):
"""
Used for ``<wp:docPr>`` element, and perhaps others. Specifies the id and
name of a DrawingML drawing.
"""
id = RequiredAttribute('id', ST_DrawingElementId)
name = RequiredAttribute('name', XsdString)
class CT_NonVisualPictureProperties(BaseOxmlElement):
"""
``<pic:cNvPicPr>`` element, specifies picture locking and resize
behaviors.
"""
class CT_Picture(BaseOxmlElement):
"""
``<pic:pic>`` element, a DrawingML picture
"""
nvPicPr = OneAndOnlyOne('pic:nvPicPr')
blipFill = OneAndOnlyOne('pic:blipFill')
spPr = OneAndOnlyOne('pic:spPr')
@classmethod
def new(cls, pic_id, filename, rId, cx, cy):
"""
Return a new ``<pic:pic>`` element populated with the minimal
contents required to define a viable picture element, based on the
values passed as parameters.
"""
pic = parse_xml(cls._pic_xml())
pic.nvPicPr.cNvPr.id = pic_id
pic.nvPicPr.cNvPr.name = filename
pic.blipFill.blip.embed = rId
pic.spPr.cx = cx
pic.spPr.cy = cy
return pic
@classmethod
def _pic_xml(cls):
return (
'<pic:pic %s>\n'
' <pic:nvPicPr>\n'
' <pic:cNvPr id="666" name="unnamed"/>\n'
' <pic:cNvPicPr/>\n'
' </pic:nvPicPr>\n'
' <pic:blipFill>\n'
' <a:blip/>\n'
' <a:stretch>\n'
' <a:fillRect/>\n'
' </a:stretch>\n'
' </pic:blipFill>\n'
' <pic:spPr>\n'
' <a:xfrm>\n'
' <a:off x="0" y="0"/>\n'
' <a:ext cx="914400" cy="914400"/>\n'
' </a:xfrm>\n'
' <a:prstGeom prst="rect"/>\n'
' </pic:spPr>\n'
'</pic:pic>' % nsdecls('pic', 'a', 'r')
)
class CT_PictureNonVisual(BaseOxmlElement):
"""
``<pic:nvPicPr>`` element, non-visual picture properties
"""
cNvPr = OneAndOnlyOne('pic:cNvPr')
class CT_Point2D(BaseOxmlElement):
"""
Used for ``<a:off>`` element, and perhaps others. Specifies an x, y
coordinate (point).
"""
x = RequiredAttribute('x', ST_Coordinate)
y = RequiredAttribute('y', ST_Coordinate)
class CT_PositiveSize2D(BaseOxmlElement):
"""
Used for ``<wp:extent>`` element, and perhaps others later. Specifies the
size of a DrawingML drawing.
"""
cx = RequiredAttribute('cx', ST_PositiveCoordinate)
cy = RequiredAttribute('cy', ST_PositiveCoordinate)
class CT_PresetGeometry2D(BaseOxmlElement):
"""
``<a:prstGeom>`` element, specifies an preset autoshape geometry, such
as ``rect``.
"""
class CT_RelativeRect(BaseOxmlElement):
"""
``<a:fillRect>`` element, specifying picture should fill containing
rectangle shape.
"""
class CT_ShapeProperties(BaseOxmlElement):
"""
``<pic:spPr>`` element, specifies size and shape of picture container.
"""
xfrm = ZeroOrOne('a:xfrm', successors=(
'a:custGeom', 'a:prstGeom', 'a:ln', 'a:effectLst', 'a:effectDag',
'a:scene3d', 'a:sp3d', 'a:extLst'
))
@property
def cx(self):
"""
Shape width as an instance of Emu, or None if not present.
"""
xfrm = self.xfrm
if xfrm is None:
return None
return xfrm.cx
@cx.setter
def cx(self, value):
xfrm = self.get_or_add_xfrm()
xfrm.cx = value
@property
def cy(self):
"""
Shape height as an instance of Emu, or None if not present.
"""
xfrm = self.xfrm
if xfrm is None:
return None
return xfrm.cy
@cy.setter
def cy(self, value):
xfrm = self.get_or_add_xfrm()
xfrm.cy = value
class CT_StretchInfoProperties(BaseOxmlElement):
"""
``<a:stretch>`` element, specifies how picture should fill its containing
shape.
"""
class CT_Transform2D(BaseOxmlElement):
"""
``<a:xfrm>`` element, specifies size and shape of picture container.
"""
off = ZeroOrOne('a:off', successors=('a:ext',))
ext = ZeroOrOne('a:ext', successors=())
@property
def cx(self):
ext = self.ext
if ext is None:
return None
return ext.cx
@cx.setter
def cx(self, value):
ext = self.get_or_add_ext()
ext.cx = value
@property
def cy(self):
ext = self.ext
if ext is None:
return None
return ext.cy
@cy.setter
def cy(self, value):
ext = self.get_or_add_ext()
ext.cy = value