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- # Created: 25.03.2011
- # Copyright (c) 2011-2018, Manfred Moitzi
- # License: MIT License
- from .graphics import ExtendedTags, DXFAttr, DefSubclass, DXFAttributes, XType
- from .graphics import none_subclass, entity_subclass, ModernGraphicEntity
- _ELLIPSE_TPL = """0
- ELLIPSE
- 5
- 0
- 330
- 0
- 100
- AcDbEntity
- 8
- 0
- 100
- AcDbEllipse
- 10
- 0.0
- 20
- 0.0
- 30
- 0.0
- 11
- 1.0
- 21
- 0.0
- 31
- 0.0
- 40
- 1.0
- 41
- 0.0
- 42
- 6.283185307179586
- """
- ellipse_subclass = DefSubclass('AcDbEllipse', {
- 'center': DXFAttr(10, xtype=XType.any_point),
- 'major_axis': DXFAttr(11, xtype=XType.any_point), # relative to the center
- 'extrusion': DXFAttr(210, xtype=XType.point3d, default=(0.0, 0.0, 1.0)),
- 'ratio': DXFAttr(40),
- 'start_param': DXFAttr(41), # this value is 0.0 for a full ellipse
- 'end_param': DXFAttr(42), # this value is 2*pi for a full ellipse
- })
- class Ellipse(ModernGraphicEntity):
- __slots__ = ()
- TEMPLATE = ExtendedTags.from_text(_ELLIPSE_TPL)
- DXFATTRIBS = DXFAttributes(none_subclass, entity_subclass, ellipse_subclass)
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