示例#1
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文件: mesh.py 项目: scomtott/polyphon
 def bbox(self):
     return bbox.bbox_pt(
         min([
             node.coords_pt[0] for element in self.elements
             for node in element.nodes
         ]),
         min([
             node.coords_pt[1] for element in self.elements
             for node in element.nodes
         ]),
         max([
             node.coords_pt[0] for element in self.elements
             for node in element.nodes
         ]),
         max([
             node.coords_pt[1] for element in self.elements
             for node in element.nodes
         ]))
示例#2
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 def createbbox(self):
     return bboxmodule.bbox_pt(*_arcbboxdata(self.x_pt, self.y_pt, self.r_pt,
                                             self.angle2, self.angle1))
示例#3
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 def createbbox(self):
     return bboxmodule.bbox_pt(self.x_pt, self.y_pt, self.x_pt, self.y_pt)
示例#4
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文件: mesh.py 项目: dcf21/pyxplot7
 def bbox(self):
     return bbox.bbox_pt(min([node.coords_pt[0] for element in self.elements for node in element.nodes]),
                         min([node.coords_pt[1] for element in self.elements for node in element.nodes]),
                         max([node.coords_pt[0] for element in self.elements for node in element.nodes]),
                         max([node.coords_pt[1] for element in self.elements for node in element.nodes]))
示例#5
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def _readbbox(file):
    """returns bounding box of EPS file filename"""

    file = linefilereader(file)

    # check the %! header comment
    if not file.readline().startswith("%!"):
        raise IOError("file doesn't start with a '%!' header comment")

    bboxatend = 0
    # parse the header (use the first BoundingBox)
    while 1:
        line = file.readline()
        if not line:
            break
        if line.startswith("%%BoundingBox:") and not bboxatend:
            values = line.split(":", 1)[1].split()
            if values == ["(atend)"]:
                bboxatend = 1
            else:
                if len(values) != 4:
                    raise IOError("invalid number of bounding box values")
                return bbox.bbox_pt(*map(int, values))
        elif (line.rstrip() == "%%EndComments" or
              (len(line) >= 2 and line[0] != "%" and line[1] not in string.whitespace)):
            # implicit end of comments section
            break
    if not bboxatend:
        raise IOError("no bounding box information found")

    # parse the body
    nesting = 0 # allow for nested documents
    while 1:
        line = file.readline()
        if line.startswith("%%BeginData:"):
            values = line.split(":", 1)[1].split()
            if len(values) > 3:
                raise IOError("invalid number of arguments")
            if len(values) == 3:
                if values[2] == "Lines":
                    for i in xrange(int(values[0])):
                        file.readline()
                elif values[2] != "Bytes":
                    raise IOError("invalid bytesorlines-value")
                else:
                    file.read(int(values[0]))
            else:
                file.read(int(values[0]))
            line = file.readline()
            # ignore tailing whitespace/newline for binary data
            if (len(values) < 3 or values[2] != "Lines") and not len(line.strip()):
                line = file.readline()
            if line.rstrip() != "%%EndData":
                raise IOError("missing EndData")
        elif line.startswith("%%BeginBinary:"):
            file.read(int(line.split(":", 1)[1]))
            line = file.readline()
            # ignore tailing whitespace/newline
            if not len(line.strip()):
                line = file.readline()
            if line.rstrip() != "%%EndBinary":
                raise IOError("missing EndBinary")
        elif line.startswith("%%BeginDocument:"):
            nesting += 1
        elif line.rstrip() == "%%EndDocument":
            if nesting < 1:
                raise IOError("unmatched EndDocument")
            nesting -= 1
        elif not nesting and line.rstrip() == "%%Trailer":
            break

    usebbox = None
    # parse the trailer (use the last BoundingBox)
    line = True
    while line:
        line = file.readline(EOFmsg=None)
        if line.startswith("%%BoundingBox:"):
            values = line.split(":", 1)[1].split()
            if len(values) != 4:
                raise IOError("invalid number of bounding box values")
            usebbox = bbox.bbox_pt(*map(int, values))
    if not usebbox:
        raise IOError("missing bounding box information in document trailer")
    return usebbox
示例#6
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文件: box.py 项目: dcf21/pyxplot7
 def bbox(self):
     return bbox.bbox_pt(min([x[0] for x in self.corners]),
                       min([x[1] for x in self.corners]),
                       max([x[0] for x in self.corners]),
                       max([x[1] for x in self.corners]))
示例#7
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 def bbox(self):
     return bbox.bbox_pt(self.xpos_pt, self.ypos_pt,
                         self.xpos_pt + self.width_pt,
                         self.ypos_pt + self.height_pt)
示例#8
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 def bbox(self):
     return bbox.bbox_pt(self.x_pt, self.y_pt - self.depth_pt,
                         self.x_pt + self.width_pt,
                         self.y_pt + self.height_pt)
示例#9
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文件: box.py 项目: scomtott/polyphon
 def bbox(self):
     return bbox.bbox_pt(min([x[0] for x in self.corners]),
                         min([x[1] for x in self.corners]),
                         max([x[0] for x in self.corners]),
                         max([x[1] for x in self.corners]))
示例#10
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 def bbox(self):
     return bbox.bbox_pt(self.xpos_pt, self.ypos_pt,
                         self.xpos_pt+self.width_pt, self.ypos_pt+self.height_pt)
示例#11
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 def bbox(self):
     llx = min([x[0] for x in self.positions_pt])
     lly = min([x[1] for x in self.positions_pt])
     urx = max([x[0] for x in self.positions_pt]) + self.size_pt
     ury = max([x[1] for x in self.positions_pt]) + self.size_pt
     return bbox.bbox_pt(llx, lly, urx, ury)
示例#12
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 def bbox(self):
     return bbox.bbox_pt(self.llx_pt, self.lly_pt, self.urx_pt, self.ury_pt)