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# Copyright (c) 2021-2023, Manfred Moitzi
# License: MIT License
from typing import cast
import pytest
import ezdxf
from ezdxf import zoom, bbox
class TestModelSpace:
@pytest.fixture(scope="class")
def msp(self):
doc = ezdxf.new()
msp_ = doc.modelspace()
msp_.add_point((-25, -25))
msp_.add_point((25, 25))
msp_.add_point((-100, -50))
msp_.add_point((100, 50))
return msp_
def test_zoom_center(self, msp):
zoom.center(msp, (10, 10), (10, 10))
vp = msp.doc.viewports.get("*Active")[0]
assert vp.dxf.center == (10, 10)
assert vp.dxf.height == 10
def test_zoom_extents(self, msp):
zoom.extents(msp)
vp = msp.doc.viewports.get("*Active")[0]
assert vp.dxf.center == (0, 0)
# 2:1 = 200 / 2 = 100 == height
assert vp.dxf.height == 100
def test_zoom_extents_factor_2(self, msp):
zoom.extents(msp, factor=2)
vp = msp.doc.viewports.get("*Active")[0]
assert vp.dxf.center == (0, 0)
# 2:1 = 200 / 2 = 100 * 2 == height
assert vp.dxf.height == 200
def test_zoom_window(self, msp):
zoom.window(msp, (-30, -10), (0, 20))
vp = msp.doc.viewports.get("*Active")[0]
assert vp.dxf.center == (-15, 5)
assert vp.dxf.height == 30
def test_zoom_objects(self, msp):
points = msp[:2]
zoom.objects(msp, points)
vp = msp.doc.viewports.get("*Active")[0]
assert vp.dxf.center == (0, 0)
assert vp.dxf.height == 50
def test_zoom_objects_of_empty_set(self, msp):
vp = msp.doc.viewports.get("*Active")[0]
old_center = vp.dxf.center
old_height = vp.dxf.height
zoom.objects(msp, [])
vp = msp.doc.viewports.get("*Active")[0]
assert vp.dxf.center == old_center
assert vp.dxf.height == old_height
class TestPaperSpace:
@pytest.fixture(scope="class")
def psp(self):
doc = ezdxf.new()
psp_ = cast("Paperspace", doc.layout("Layout1"))
psp_.add_viewport(
center=(40, 40),
size=(40, 40),
view_center_point=(0, 0),
view_height=1,
)
psp_.add_point((5, 5))
psp_.add_point((405, 305))
return psp_
def test_bbox_of_main_viewport(self, psp):
psp.reset_main_viewport()
vp = psp.main_viewport()
box = bbox.extents([vp])
assert box.has_data is True
assert box.center.isclose(vp.dxf.center)
assert box.size.x == pytest.approx(vp.dxf.width)
assert box.size.y == pytest.approx(vp.dxf.height)
def test_zoom_center(self, psp):
zoom.center(psp, (10, 10), size=(20, 15))
vp = psp.main_viewport()
assert vp.dxf.center == (10, 10)
assert vp.dxf.width == 20
assert vp.dxf.height == 15
def test_zoom_extents(self, psp):
zoom.extents(psp)
vp = psp.main_viewport()
assert vp.dxf.center == (205, 155)
assert vp.dxf.width == 400
assert vp.dxf.height == 300
def test_zoom_extents_factor_2(self, psp):
zoom.extents(psp, factor=2)
vp = psp.main_viewport()
assert vp.dxf.center == (205, 155)
assert vp.dxf.width == 800
assert vp.dxf.height == 600
def test_zoom_window(self, psp):
zoom.window(psp, (-30, -10), (0, 20))
vp = psp.main_viewport()
assert vp.dxf.center == (-15, 5)
assert vp.dxf.height == 30
def test_zoom_objects_of_empty_set(self, psp):
vp = psp.main_viewport()
old_center = vp.dxf.center
old_height = vp.dxf.height
zoom.objects(psp, [])
vp = psp.main_viewport()
assert vp.dxf.center == old_center
assert vp.dxf.height == old_height
if __name__ == "__main__":
pytest.main([__file__])
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