def add_picture(self, img_file, left, top, width=None, height=None):
"""
Add picture shape displaying image in *img_file*, where *img_file*
can be either a path to a file (a string) or a file-like object.
"""
image, rId = self._slide._add_image(img_file)
id = self._next_shape_id
name = 'Picture %d' % (id-1)
desc = image._desc
width, height = image._scale(width, height)
pic = CT_Picture.new_pic(id, name, desc, rId, left, top, width, height)
self._spTree.append(pic)
picture = Picture(pic, self)
self._shapes.append(picture)
return picture
def test_new_pic_generates_correct_xml(self):
"""CT_Picture.new_pic() returns correct XML"""
# setup ------------------------
id_, name, desc, rId = 9, 'Picture 8', 'test-image.png', 'rId7'
left, top, width, height = 111, 222, 333, 444
xml = (
'<p:pic %s>\n <p:nvPicPr>\n <p:cNvPr id="%d" name="%s" descr='
'"%s"/>\n <p:cNvPicPr>\n <a:picLocks noChangeAspect="1"/>'
'\n </p:cNvPicPr>\n <p:nvPr/>\n </p:nvPicPr>\n <p:blipFil'
'l>\n <a:blip r:embed="%s"/>\n <a:stretch>\n <a:fillRe'
'ct/>\n </a:stretch>\n </p:blipFill>\n <p:spPr>\n <a:xfrm'
'>\n <a:off x="%d" y="%d"/>\n <a:ext cx="%d" cy="%d"/>'
'\n </a:xfrm>\n <a:prstGeom prst="rect">\n <a:avLst/>'
'\n </a:prstGeom>\n </p:spPr>\n</p:pic>\n' %
(nsdecls('a', 'p', 'r'), id_, name, desc, rId, left, top, width,
height)
)
# exercise ---------------------
pic = CT_Picture.new_pic(id_, name, desc, rId, left, top,
width, height)
# verify -----------------------
self.assertEqualLineByLine(xml, pic)