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# SPDX-License-Identifier: GPL-2.0-or-later
from .base_exporter import BasePrimitiveDXFExporter
class CameraDXFExporter(BasePrimitiveDXFExporter):
pass
#-----------------------------------------------------
def exportCamera(ob, mx, mw, **common):
"""converts Camera-Object to desired projection and representation(DXF-Entity type)
"""
location = mathutils.Vector(ob.loc)
[location] = projected_co([location], mx)
[location] = toGlobalOrigin([location])
view_name=validDXFr12name(('CAM_'+ ob.name))
camera = Camera.Get(ob.getData(name_only=True))
#print 'deb: camera=', dir(camera) #------------------
if camera.type=='persp':
mode = 1+2+4+16
# mode flags: 1=persp, 2=frontclip, 4=backclip,16=FrontZ
elif camera.type=='ortho':
mode = 0+2+4+16
leftBottom=(0.0,0.0) # default
rightTop=(1.0,1.0) # default
center=(0.0,0.0) # default
direction = mathutils.Vector(0.0,0.0,1.0) * mx.to_euler().to_matrix() # in W-C-S
direction.normalize()
target=mathutils.Vector(ob.loc) - direction # in W-C-S
#ratio=1.0
width=height= camera.scale # for ortho-camera
lens = camera.lens # for persp-camera
frontClipping = -(camera.clipStart - 1.0)
backClipping = -(camera.clipEnd - 1.0)
entities, vport, view = [], None, None
c = camera_as_list[GUI_A['camera_as'].val]
if c=="POINT": # export as POINT
dxfPOINT = DXF.Point(points=[location],**common)
entities.append(dxfPOINT)
elif c=="VIEW": # export as VIEW
view = DXF.View(name=view_name,
center=center, width=width, height=height,
frontClipping=frontClipping,backClipping=backClipping,
direction=direction,target=target,lens=lens,mode=mode
)
elif c=="VPORT": # export as VPORT
vport = DXF.VPort(name=view_name,
center=center, ratio=1.0, height=height,
frontClipping=frontClipping,backClipping=backClipping,
direction=direction,target=target,lens=lens,mode=mode
)
return entities, vport, view
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