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-- File: Prs2d_DrawSymbol.cdl
-- Created: October 2000
-- Author: TCL
---Copyright: Matra Datavision 2000
class DrawSymbol from Prs2d inherits Line from Graphic2d
---Purpose: The primitive symbol for drawing
uses
Drawer from Graphic2d,
GraphicObject from Graphic2d,
TypeOfSymbol from Prs2d,
FStream from Aspect
raises
SymbolDefinitionError from Prs2d
is
-------------------------
-- Category: Constructor
-------------------------
Create( aGO : GraphicObject from Graphic2d;
aSymbType : TypeOfSymbol from Prs2d;
aX, aY : Real from Standard;
aWidth : Real from Standard = 10.0;
aHeight : Real from Standard = 10.0;
anAngle : Real from Standard = 0.0 )
returns mutable DrawSymbol from Prs2d
raises SymbolDefinitionError from Prs2d;
---Level: Public
---Purpose: Creates the predefined marker index <anIndex>
-- at position <aX>, <aY> and size <aWidth>,<aHeight>.
---Category: Constructor
---Purpose: Trigger - Raises SymbolDefinitionError if the
-- symbol type isn't defined,
-- or the symbol size < aWidth, aHeight > is null.
----------------------------------------------------
-- Category: Draw and Pick
----------------------------------------------------
Draw( me: mutable; aDrawer: Drawer from Graphic2d ) is static protected;
---Level: Internal
---Purpose: Draws the symbol <me>.
Pick( me : mutable;
X, Y : ShortReal from Standard;
aPrecision : ShortReal from Standard;
aDrawer : Drawer from Graphic2d ) returns Boolean from Standard
is static protected;
---Level: Internal
---Purpose: Returns Standard_True if the symbol <me> is picked,
-- Standard_False if not.
-- Warning: Checks only if the point <X>, <Y> is in the
-- boundary rectangle of <me>
Save( me; aFStream: in out FStream from Aspect ) is virtual;
fields
myTypeSymb : TypeOfSymbol from Prs2d;
myX : ShortReal from Standard;
myY : ShortReal from Standard;
myWidth : ShortReal from Standard;
myHeight : ShortReal from Standard;
myAngle : ShortReal from Standard;
end Marker from Graphic2d;
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