Exemple #1
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    def to_polygons(self, transform=None, width=0, height=0):
        """
        Convert this path to a list of polygons.  Each polygon is an
        Nx2 array of vertices.  In other words, each polygon has no
        ``MOVETO`` instructions or curves.  This is useful for
        displaying in backends that do not support compound paths or
        Bezier curves, such as GDK.

        If *width* and *height* are both non-zero then the lines will
        be simplified so that vertices outside of (0, 0), (width,
        height) will be clipped.
        """
        if len(self.vertices) == 0:
            return []

        if transform is not None:
            transform = transform.frozen()

        if self.codes is None and (width == 0 or height == 0):
            if transform is None:
                return [self.vertices]
            else:
                return [transform.transform(self.vertices)]

        # Deal with the case where there are curves and/or multiple
        # subpaths (using extension code)
        return convert_path_to_polygons(self, transform, width, height)
Exemple #2
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    def to_polygons(self, transform=None, width=0, height=0):
        """
        Convert this path to a list of polygons.  Each polygon is an
        Nx2 array of vertices.  In other words, each polygon has no
        ``MOVETO`` instructions or curves.  This is useful for
        displaying in backends that do not support compound paths or
        Bezier curves, such as GDK.

        If *width* and *height* are both non-zero then the lines will
        be simplified so that vertices outside of (0, 0), (width,
        height) will be clipped.
        """
        if len(self.vertices) == 0:
            return []

        if transform is not None:
            transform = transform.frozen()

        if self.codes is None and (width == 0 or height == 0):
            if transform is None:
                return [self.vertices]
            else:
                return [transform.transform(self.vertices)]

        # Deal with the case where there are curves and/or multiple
        # subpaths (using extension code)
        return _path.convert_path_to_polygons(self, transform, width, height)
Exemple #3
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 def to_polygons(self, transform=None, width=0, height=0):
     """
     Convert this path to a list of polygons.  Each polygon is an
     Nx2 array of vertices.  In other words, each polygon has no
     "move to" instructions or curves.
     """
     if transform is not None:
         transform = transform.frozen()
     # Deal with the common and simple case
     if self.codes is None and len(self.vertices) < 100:
         if len(self.vertices):
             return [transform.transform(self.vertices)]
         return []
     # Deal with the case where there are curves and/or multiple
     # subpaths (using extension code)
     return convert_path_to_polygons(self, transform, width, height)
Exemple #4
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 def to_polygons(self, transform=None):
     """
     Convert this path to a list of polygons.  Each polygon is an
     Nx2 array of vertices.  In other words, each polygon has no
     "move to" instructions or curves.
     """
     if transform is not None:
         transform = transform.frozen()
     # Deal with the common and simple case
     if self.codes is None:
         if len(self.vertices):
             return [transform.transform(self.vertices)]
         return []
     # Deal with the case where there are curves and/or multiple
     # subpaths (using extension code)
     return convert_path_to_polygons(self, transform)
Exemple #5
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    def to_polygons(self, transform=None, width=0, height=0, closed_only=True):
        """
        Convert this path to a list of polygons or polylines.  Each
        polygon/polyline is an Nx2 array of vertices.  In other words,
        each polygon has no ``MOVETO`` instructions or curves.  This
        is useful for displaying in backends that do not support
        compound paths or Bezier curves, such as GDK.

        If *width* and *height* are both non-zero then the lines will
        be simplified so that vertices outside of (0, 0), (width,
        height) will be clipped.

        If *closed_only* is `True` (default), only closed polygons,
        with the last point being the same as the first point, will be
        returned.  Any unclosed polylines in the path will be
        explicitly closed.  If *closed_only* is `False`, any unclosed
        polygons in the path will be returned as unclosed polygons,
        and the closed polygons will be returned explicitly closed by
        setting the last point to the same as the first point.
        """
        if len(self.vertices) == 0:
            return []

        if transform is not None:
            transform = transform.frozen()

        if self.codes is None and (width == 0 or height == 0):
            vertices = self.vertices
            if closed_only:
                if len(vertices) < 3:
                    return []
                elif np.any(vertices[0] != vertices[-1]):
                    vertices = list(vertices) + [vertices[0]]

            if transform is None:
                return [vertices]
            else:
                return [transform.transform(vertices)]

        # Deal with the case where there are curves and/or multiple
        # subpaths (using extension code)
        return _path.convert_path_to_polygons(self, transform, width, height,
                                              closed_only)
Exemple #6
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    def to_polygons(self, transform=None, width=0, height=0, closed_only=True):
        """
        Convert this path to a list of polygons or polylines.  Each
        polygon/polyline is an Nx2 array of vertices.  In other words,
        each polygon has no ``MOVETO`` instructions or curves.  This
        is useful for displaying in backends that do not support
        compound paths or Bezier curves, such as GDK.

        If *width* and *height* are both non-zero then the lines will
        be simplified so that vertices outside of (0, 0), (width,
        height) will be clipped.

        If *closed_only* is `True` (default), only closed polygons,
        with the last point being the same as the first point, will be
        returned.  Any unclosed polylines in the path will be
        explicitly closed.  If *closed_only* is `False`, any unclosed
        polygons in the path will be returned as unclosed polygons,
        and the closed polygons will be returned explicitly closed by
        setting the last point to the same as the first point.
        """
        if len(self.vertices) == 0:
            return []

        if transform is not None:
            transform = transform.frozen()

        if self.codes is None and (width == 0 or height == 0):
            vertices = self.vertices
            if closed_only:
                if len(vertices) < 3:
                    return []
                elif np.any(vertices[0] != vertices[-1]):
                    vertices = list(vertices) + [vertices[0]]

            if transform is None:
                return [vertices]
            else:
                return [transform.transform(vertices)]

        # Deal with the case where there are curves and/or multiple
        # subpaths (using extension code)
        return _path.convert_path_to_polygons(
            self, transform, width, height, closed_only)