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# Copyright (c) 2019-2020 Manfred Moitzi
# License: MIT License
# created 2019-02-15
from typing import cast
import pytest
import ezdxf
from ezdxf.entities.image import Wipeout
from ezdxf.lldxf.tagwriter import TagCollector, basic_tags_from_text
from ezdxf.layouts import VirtualLayout
from ezdxf.math import Vec2
@pytest.fixture
def doc():
return ezdxf.new()
def test_wipeout_default_new():
entity = Wipeout.new(
handle="ABBA", owner="0", dxfattribs={"image_size": (640, 200)}
)
assert entity.dxf.layer == "0"
assert entity.dxf.insert is None # set by add_image()
assert entity.dxf.u_pixel is None # set by add_image()
assert entity.dxf.v_pixel is None # set by add_image()
assert entity.dxf.class_version == 0
assert entity.dxf.image_size == (640, 200)
assert entity.dxf.image_def_handle == "0"
assert entity.dxf.flags == 3
assert entity.dxf.clipping == 0
assert entity.dxf.brightness == 50
assert entity.dxf.contrast == 50
assert entity.dxf.fade == 0
assert entity.dxf.image_def_reactor_handle == "0"
assert entity.dxf.clipping_boundary_type == 1
assert entity.dxf.clip_mode == 0
assert entity.boundary_path[0] == (-0.5, -0.5)
assert entity.boundary_path[1] == (639.5, 199.5)
def test_wipeout_write_dxf():
entity = Wipeout.from_text(WIPEOUT)
result = TagCollector.dxftags(entity)
expected = basic_tags_from_text(WIPEOUT)
assert result == expected
def test_wipeout_creator_interface():
layout = VirtualLayout()
wipeout = layout.add_wipeout(
[(150, 100), (250, 100), (250, 200), (150, 200)]
)
assert wipeout.dxftype() == "WIPEOUT"
assert wipeout.dxf.insert == (150, 100, 0)
assert wipeout.dxf.u_pixel == (100, 0, 0)
assert wipeout.dxf.v_pixel == (0, 100, 0)
assert wipeout.dxf.image_size == (1, 1)
assert wipeout.dxf.flags == 7
assert wipeout.dxf.clipping == 1
assert wipeout.dxf.clip_mode == 0
path = wipeout.boundary_path
assert path[0].isclose(Vec2(-0.5, 0.5))
assert path[1].isclose(Vec2(0.5, 0.5))
assert path[2].isclose(Vec2(0.5, -0.5))
assert path[3].isclose(Vec2(-0.5, -0.5))
assert path[4] == path[0]
path = wipeout.boundary_path_wcs()
assert path[0] == (150, 100)
assert path[1] == (250, 100)
assert path[2] == (250, 200)
assert path[3] == (150, 200)
assert path[0] == path[-1]
def test_copy_wipeout():
layout = VirtualLayout()
wipeout = layout.add_wipeout([(150, 100), (250, 200)])
copy = wipeout.copy()
layout.add_entity(copy)
assert len(layout) == 2
def test_wipeout_vars(doc):
doc.set_wipeout_variables(frame=1)
wipeout_variables = doc.rootdict["ACAD_WIPEOUT_VARS"]
assert wipeout_variables.dxf.frame == 1
def test_boundary_path_wcs():
from ezdxf.layouts import VirtualLayout
layout = VirtualLayout()
e = cast(
Wipeout,
layout.new_entity(
"WIPEOUT",
dxfattribs={
"layer": "0",
"class_version": 0,
"insert": (150.0, 100.0, 0.0),
"u_pixel": (100.0, 0.0, 0.0),
"v_pixel": (0.0, 100.0, 0.0),
"image_size": (1.0, 1.0, 0.0),
"image_def_handle": "0",
"flags": 7,
"clipping": 1,
"brightness": 50,
"contrast": 50,
"fade": 0,
"image_def_reactor_handle": "0",
"clipping_boundary_type": 2,
"count_boundary_points": 5,
"clip_mode": 0,
},
),
)
e.set_boundary_path(
[
(-0.5, 0.5),
(0.5, 0.5),
(0.5, -0.5),
(-0.5, -0.5),
(-0.5, 0.5),
]
)
path = e.boundary_path_wcs()
assert path[0] == (150, 100)
assert path[1] == (250, 100)
assert path[2] == (250, 200)
assert path[3] == (150, 200)
assert path[0] == path[-1]
WIPEOUT = """0
WIPEOUT
5
0
330
0
100
AcDbEntity
8
0
100
AcDbWipeout
90
0
10
0.0
20
0.0
30
0.0
11
0.0
21
0.0
31
0.0
12
0.0
22
0.0
32
0.0
13
640
23
320
340
0
70
3
280
1
281
50
282
50
283
0
360
0
71
1
91
2
14
-0.5
24
-0.5
14
639.5
24
319.5
290
0
"""
|
