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--
-- File: Xw_WidthMap.cdl
-- Created: 24/08/93
-- Author: GG
--
---Copyright: MatraDatavision 1993
--
class WidthMap from Xw inherits Transient
---Version: 0.0
---Purpose: This class defines a WidthMap object.
---Keywords:
---Warning:
---References:
uses
WidthMap from Aspect,
WidthMapEntry from Aspect
raises
WidthMapDefinitionError from Aspect,
BadAccess from Aspect
is
Create
returns mutable WidthMap from Xw
is protected ;
---Level: Public
Create ( Connexion : CString from Standard )
returns mutable WidthMap from Xw
---Level: Public
---Purpose: Creates a WidthMap with unallocated WidthMapEntry.
-- Warning: Raises if WidthMap creation failed according
-- to the supported hardware
raises WidthMapDefinitionError from Aspect ;
SetEntry ( me : mutable ;
Entry : WidthMapEntry from Aspect )
---Level: Public
---Purpose: Modifies an entry already defined or Add the Entry
-- in the type map <me> if it don't exist.
-- Warning: Raises if WidthMap size is exceeded,
-- or WidthMap is not defined properly,
-- or WidthMapEntry Index is out of range according
-- to the supported hardware
raises BadAccess from Aspect is virtual;
SetEntries ( me : mutable ;
Widthmap : WidthMap from Aspect )
---Level: Public
---Purpose: Modifies all entries from the New Widthmap
-- Warning: Raises if WidthMap size is exceeded,
-- or WidthMap is not defined properly,
-- or One of new WidthMapEntry Index is out of range according
-- to the supported hardware
raises BadAccess from Aspect is virtual;
Destroy( me : mutable ) is virtual;
---Level: Public
---Purpose: Destroies the Widthmap
---C++: alias ~
----------------------------
-- Category: Inquire methods
----------------------------
FreeWidths( me )
returns Integer from Standard
---Level: Internal
---Purpose: Returns the Number of Free Widths in the Widthmap
-- depending of the HardWare
-- Warning: Raises if WidthMap is not defined properly
raises BadAccess from Aspect is static;
ExtendedWidthMap ( me )
returns Address from Standard
is static protected ;
---Level: Internal
---Purpose: Returns extended data typemap structure pointer.
---Category: Inquire methods
fields
MyExtendedDisplay : Address from Standard ;
MyExtendedWidthMap : Address from Standard ;
friends
class GraphicDevice from Xw
end WidthMap ;
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