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-- File: VrmlConverter_ShadingAspect.cdl
-- Created: Wed Mar 12 17:07:28 1997
-- Author: Alexander BRIVIN
-- <brivin@minox.nizhny.matra-dtv.fr>
---Copyright: Matra Datavision 1997
class ShadingAspect from VrmlConverter inherits TShared from MMgt
---Purpose: qualifies the aspect properties for
-- the VRML conversation of ShadedShape .
uses
Material from Vrml,
ShapeHints from Vrml
is
Create
---Purpose: create a default ShadingAspect.
returns mutable ShadingAspect from VrmlConverter;
SetFrontMaterial(me: mutable; aMaterial: Material from Vrml)
is static;
FrontMaterial(me) returns mutable Material from Vrml
is static;
-- SetBackMaterial(me: mutable; aMaterial: Material from Vrml)
-- is static;
SetShapeHints ( me : mutable; aShapeHints : ShapeHints from Vrml )
is static;
ShapeHints ( me ) returns ShapeHints from Vrml;
SetHasNormals (me: mutable; OnOff: Boolean from Standard)
---Purpose: defines necessary of a calculation of normals for ShadedShape to more
-- accurately display curved surfaces, pacticularly when smoooth or phong
-- shading is used in VRML viewer.
-- By default False - the normals are not calculated,
-- True - the normals are calculated.
-- Warning: If normals are calculated the resulting VRML file will
-- be substantially lager.
is static;
HasNormals(me) returns Boolean from Standard
---Purpose: returns True if the normals are calculating
is static;
SetHasMaterial(me: mutable; OnOff: Boolean from Standard)
---Purpose: defines necessary of writing Material from Vrml into output OStream.
-- By default False - the material is not writing into OStream,
-- True - the material is writing.
is static;
HasMaterial(me) returns Boolean from Standard
---Purpose: returns True if the materials is writing into OStream.
is static;
fields
myFrontMaterial : Material from Vrml;
-- myBackMaterial : Material from Vrml;
myShapeHints : ShapeHints from Vrml;
myHasNormals : Boolean from Standard;
myHasMaterial : Boolean from Standard;
end ShadingAspect;
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