refactor: excel parse

2026-04-16 10:01:11 +08:00
parent 680ecc320f
commit f62f95ec02
7941 changed files with 2899112 additions and 0 deletions
@@ -0,0 +1,140 @@
+# Copyright (c) 2019-2024 Manfred Moitzi
+# License: MIT License
+from __future__ import annotations
+from typing import Iterable, Optional, Iterator, TYPE_CHECKING, overload
+import math
+from ezdxf.math import Vec2, UVec, Matrix44
+
+
+__all__ = ["Shape2d"]
+
+if TYPE_CHECKING:
+    from ezdxf.math import BoundingBox2d
+
+
+class Shape2d:
+    """Construction tools for 2D shapes.
+
+    A 2D geometry object as list of :class:`Vec2` objects, vertices can be
+    moved, rotated and scaled.
+
+    Args:
+        vertices: iterable of :class:`Vec2` compatible objects.
+
+    """
+
+    def __init__(self, vertices: Optional[Iterable[UVec]] = None):
+        from ezdxf.npshapes import NumpyPoints2d
+
+        _vec2: Iterator[Vec2] | None = None
+        if vertices is not None:
+            _vec2 = Vec2.generate(vertices)
+        self.np_vertices = NumpyPoints2d(_vec2)
+
+    @property
+    def vertices(self) -> list[Vec2]:
+        return self.np_vertices.vertices()
+
+    @property
+    def bounding_box(self) -> BoundingBox2d:
+        """Returns the bounding box of the shape."""
+        return self.np_vertices.bbox()
+
+    def copy(self) -> Shape2d:
+        clone = self.__class__()
+        clone.np_vertices = self.np_vertices.clone()
+        return clone
+
+    __copy__ = copy
+
+    def translate(self, vector: UVec) -> None:
+        """Translate shape about `vector`."""
+        offset = Vec2(vector)
+        self.np_vertices.transform_inplace(Matrix44.translate(offset.x, offset.y, 0))
+
+    def scale(self, sx: float = 1.0, sy: float = 1.0) -> None:
+        """Scale shape about `sx` in x-axis and `sy` in y-axis."""
+        self.np_vertices.transform_inplace(Matrix44.scale(sx, sy, 1))
+
+    def scale_uniform(self, scale: float) -> None:
+        """Scale shape uniform about `scale` in x- and y-axis."""
+        self.np_vertices.transform_inplace(Matrix44.scale(scale, scale, 1))
+
+    def rotate(self, angle: float, center: Optional[UVec] = None) -> None:
+        """Rotate shape around rotation `center` about `angle` in degrees."""
+        self.rotate_rad(math.radians(angle), center)
+
+    def rotate_rad(self, angle: float, center: Optional[UVec] = None) -> None:
+        """Rotate shape around rotation `center` about `angle` in radians."""
+        m = Matrix44.z_rotate(angle)
+        if center is not None:
+            p = Vec2(center)
+            m = (
+                Matrix44.translate(-p.x, -p.y, 0)
+                @ m
+                @ Matrix44.translate(p.x, p.y, 0)
+            )
+        self.np_vertices.transform_inplace(m)
+
+    def offset(self, offset: float, closed: bool = False) -> Shape2d:
+        """Returns a new offset shape, for more information see also
+        :func:`ezdxf.math.offset_vertices_2d` function.
+
+        Args:
+            offset: line offset perpendicular to direction of shape segments
+                defined by vertices order, offset > ``0`` is 'left' of line
+                segment, offset < ``0`` is 'right' of line segment
+            closed: ``True`` to handle as closed shape
+
+        """
+        from ezdxf.math.offset2d import offset_vertices_2d
+
+        return self.__class__(
+            offset_vertices_2d(
+                self.np_vertices.vertices(), offset=offset, closed=closed
+            )
+        )
+
+    def convex_hull(self) -> Shape2d:
+        """Returns convex hull as new shape."""
+        from ezdxf.math.construct2d import convex_hull_2d
+
+        return self.__class__(convex_hull_2d(self.np_vertices.vertices()))
+
+    # Sequence interface
+    def __len__(self) -> int:
+        """Returns `count` of vertices."""
+        return len(self.np_vertices)
+
+    @overload
+    def __getitem__(self, item: int) -> Vec2: ...
+    @overload
+    def __getitem__(self, item: slice) -> list[Vec2]: ...
+    def __getitem__(self, item: int | slice) -> Vec2|list[Vec2]:
+        """Get vertex by index `item`, supports ``list`` like slicing."""
+        np_vertices = self.np_vertices.np_vertices()
+        if isinstance(item, int):
+            return Vec2(np_vertices[item])
+        else:
+            return Vec2.list(np_vertices[item])
+
+    def append(self, vertex: UVec) -> None:
+        """Append single `vertex`.
+
+        Args:
+             vertex: vertex as :class:`Vec2` compatible object
+
+        """
+        self.extend((vertex,))
+
+    def extend(self, vertices: Iterable[UVec]) -> None:
+        """Append multiple `vertices`.
+
+        Args:
+             vertices: iterable of vertices as :class:`Vec2` compatible objects
+
+        """
+        from ezdxf.npshapes import NumpyPoints2d
+
+        new_vertices = self.np_vertices.vertices() + Vec2.list(vertices)
+        self.np_vertices = NumpyPoints2d(new_vertices)