gls_clipping_group.h

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/*! \file
  \brief  The disti::GlsClippingGroup class.
 
  \par Copyright Information
 
  Copyright (c) 2017 by The DiSTI Corporation.<br>
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  NO WARRANTY. THE SOFTWARE IS PROVIDED "AS-IS," WITHOUT WARRANTY OF ANY KIND,
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  LIMITATION OF LIABILITY. TO THE MAXIMUM EXTENT PERMITTED BY APPLICABLE LAW,
IN NO EVENT SHALL DISTI OR ITS SUPPLIERS BE LIABLE FOR ANY SPECIAL, INCIDENTAL,
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*/
 
#ifndef INCLUDED_GLS_CLIPPING_GROUP_H
#define INCLUDED_GLS_CLIPPING_GROUP_H
 
#include "group.h"
 
/// Provides support for creating DLLs.
#if( defined( GLSGEN_EXPORT_GLSCLIPPINGGROUP ) || defined( GLSGEN_IMPORT_GLSCLIPPINGGROUP ) || defined( GLS_EXPORT_GENERATED ) || defined( GLS_IMPORT_GENERATED ) ) \
    && defined( _MSC_VER )
#    if defined( GLSGEN_EXPORT_GLSCLIPPINGGROUP ) || defined( GLS_EXPORT_GENERATED )
#        define GLSGEN_GLSCLIPPINGGROUP_EXPORT __declspec( dllexport )
#    else
#        define GLSGEN_GLSCLIPPINGGROUP_EXPORT __declspec( dllimport )
#    endif
#else
#    define GLSGEN_GLSCLIPPINGGROUP_EXPORT
#endif
///////////////////////////////////////////////////////////////////////////////
 
/// Automatically link the runtime library plugin (on Windows).
#define LIB_BASE_NAME "gls_clipping_group"
#include "gls_auto_lib.h"
#undef LIB_BASE_NAME
 
namespace disti
{
#ifdef GLES
class GlsGloFile;
#endif
 
// SetValue enumerations
enum
{
    GLS_CLIPPING_GROUP_STATE = GLS_LAST_INITIALIZER + 1,
    GLS_CLIPPING_GROUP_CLIPPING_ACTIVE,
    GLS_CLIPPING_GROUP_BOTTOM_LEFT_CORNER,
    GLS_CLIPPING_GROUP_TOP_RIGHT_CORNER,
    GLS_CLIPPING_GROUP_SHOW_OUTLINE
};
 
/** Runtime implementation of a GlsClippingGroup */
class GlsClippingGroup : public Group
{
public:
    friend class GlsClippingGroupEditor;
    DISTI_DEPRECATED( "This identifier is forbidden by the C++ standard. Use BaseClass instead." )
    typedef Group _BaseClass; ///< Deprecated typedef for the base class.
    typedef Group BaseClass;  ///< Typedef for the base class.
 
    /** Construct a new GlsClippingGroup.
      * \param generateInstance  Whether or not to generate an instance name for this clipping group 
      */
    GLSGEN_GLSCLIPPINGGROUP_EXPORT explicit GlsClippingGroup( bool generateInstance = false );
 
    /** Copy an existing clipping group's properties and clone its children to construct a new clipping group.
      * \param clippingGroup The clipping group whose properties to copy and whose children to clone.
      * \param generateInstance  Whether or not to generate an instance name for this clipping group 
      */
    GLSGEN_GLSCLIPPINGGROUP_EXPORT GlsClippingGroup( const GlsClippingGroup& clippingGroup, bool generateInstance );
 
    /** Destructs a GlsClippingGroup object */
    virtual GLSGEN_GLSCLIPPINGGROUP_EXPORT ~GlsClippingGroup();
 
    /// \return A pointer to a new GlsClippingGroup object.
    static GLSGEN_GLSCLIPPINGGROUP_EXPORT DisplayObject* CreateInstance();
 
    virtual GLSGEN_GLSCLIPPINGGROUP_EXPORT void SetAvailableAttributes( unsigned int value ) DISTI_METHOD_OVERRIDE;
    virtual GLSGEN_GLSCLIPPINGGROUP_EXPORT DisplayObject* CloneObject( bool generateNames = false ) DISTI_METHOD_OVERRIDE;
    virtual GLSGEN_GLSCLIPPINGGROUP_EXPORT void           CopyProperties( DisplayObject* src ) DISTI_METHOD_OVERRIDE;
 
#ifndef GLES
    virtual GLSGEN_GLSCLIPPINGGROUP_EXPORT InterfaceListType* GetCppInterfaceDescription( InterfaceListType* addToThisList = NULL ) DISTI_METHOD_OVERRIDE;
    virtual GLSGEN_GLSCLIPPINGGROUP_EXPORT void               GetCppInterfaceDescriptionFree( InterfaceListType* array ) DISTI_METHOD_OVERRIDE;
#endif
 
    virtual GLSGEN_GLSCLIPPINGGROUP_EXPORT void Draw() DISTI_METHOD_OVERRIDE;
 
    virtual GLSGEN_GLSCLIPPINGGROUP_EXPORT DisplayObject* Pick3D( const Vector& winLoc,
        const Vector&                                                           logicalCoords,
        float                                                                   scale,
        const Vector&                                                           directionVector,
        Vector&                                                                 collisionWinLoc /*Returned*/,
        const OpenGLMatrices&                                                   drawnMatrices ) DISTI_METHOD_OVERRIDE;
 
    virtual GLSGEN_GLSCLIPPINGGROUP_EXPORT void SetValue( int spec, va_list& args ) DISTI_METHOD_OVERRIDE;
 
    //////////////////////////////////////////////////
    // GlsClippingGroup specific operations
    //////////////////////////////////////////////////
 
    /** \return If clipping is active for this group */
    GLSGEN_GLSCLIPPINGGROUP_EXPORT bool ClippingActive() { return _clippingActive; }
 
    /** Sets if clipping is active for this group
      * \param value The new clipping value
      */
    GLSGEN_GLSCLIPPINGGROUP_EXPORT void ClippingActive( bool value );
 
    /** \return Gets bottom left corner of clip region */
    GLSGEN_GLSCLIPPINGGROUP_EXPORT Vector Blc() { return _blc; }
 
    /** Sets new bottom left corner for the clip region
      * \param value The new blc
      */
    GLSGEN_GLSCLIPPINGGROUP_EXPORT void Blc( const Vector& value );
 
    /** \return Gets top right corner of clip region */
    GLSGEN_GLSCLIPPINGGROUP_EXPORT Vector Trc() { return _trc; }
 
    /** Sets new top right corner for the clip region
      * \param value The new trc
      */
    GLSGEN_GLSCLIPPINGGROUP_EXPORT void Trc( const Vector& value );
 
    /** \return If clip region should always be drawn in the editor */
    GLSGEN_GLSCLIPPINGGROUP_EXPORT bool ShowOutline() { return _showOutline; }
 
    /** Sets if clip region should always be drawn in the editor
      * \param value The new show value
      */
    GLSGEN_GLSCLIPPINGGROUP_EXPORT void ShowOutline( bool value );
 
protected:
    /** Get the four corners of the clip region transformed by the current DCS and offset by the group's location
      * \param tlc [out] receives top left corner
      * \param trc [out] receives top right corner
      * \param brc [out] receives bottom right corner
      * \param blc [out] receives bottom left corner
      */
    GLSGEN_GLSCLIPPINGGROUP_EXPORT void GetClipRegionCorners( Vector& tlc, Vector& trc, Vector& brc, Vector& blc );
 
#ifdef GLES
    /** Set a single attribute from the GLO file.
      * \param data The attribute to set and its associated data.
      */
    virtual GLSGEN_GLSCLIPPINGGROUP_EXPORT void SetFromGloData( GlsGloFileAttribute& data ) DISTI_METHOD_OVERRIDE;
#endif
 
    bool   _clippingActive; ///< Whether or not to call clipping is active.
    Vector _blc;            ///< Bottom Left Corner.
    Vector _trc;            ///< Top Right Corner.
    bool   _showOutline;    ///< Outline always visible in editor.
 
private:
    // Deleted copy assignment; use CloneObject() or the copy constructor instead.
    void operator=( const GlsClippingGroup& ); // = delete
};
 
} // namespace disti
 
#endif