gls_video_to_texture.h

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/*! \file
  \brief The GlsVideoToTexture class

  \par Copyright Information

  Copyright (c) 2017 by The DiSTI Corporation.<br>
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  <br>
  All rights reserved.<br>

  This Software contains proprietary trade secrets of DiSTI and may not be
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permission may be derived through the purchase of applicable DiSTI product
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Derivative Works based on this or other copyrighted DiSTI Software.

  NO WARRANTY. THE SOFTWARE IS PROVIDED "AS-IS," WITHOUT WARRANTY OF ANY KIND,
AND ANY USE OF THIS SOFTWARE PRODUCT IS AT YOUR OWN RISK. TO THE MAXIMUM EXTENT
PERMITTED BY APPLICABLE LAW, DISTI AND ITS SUPPLIERS DISCLAIM ALL WARRANTIES
AND CONDITIONS, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
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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,
INDIRECT, OR CONSEQUENTIAL DAMAGES WHATSOEVER (INCLUDING, WITHOUT LIMITATION,
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*/
#ifndef INCLUDE_VIDEO_TO_TEXTURE_H
#define INCLUDE_VIDEO_TO_TEXTURE_H

#include "glpolygon.h"
#include "gls_cpp_lang_support.h"

//////////////////// Provides support for creating DLLs ////////////////////////
#if( defined( GLSGEN_EXPORT_GLSVIDEOTOTEXTURE ) || defined( GLSGEN_IMPORT_GLSVIDEOTOTEXTURE ) || defined( GLS_EXPORT_GENERATED ) || defined( GLS_IMPORT_GENERATED ) ) \
    && defined( _MSC_VER )
#    if defined( GLSGEN_EXPORT_GLSVIDEOTOTEXTURE ) || defined( GLS_EXPORT_GENERATED )
#        define GLSGEN_GLSVIDEOTOTEXTURE_EXPORT __declspec( dllexport )
#    else
#        define GLSGEN_GLSVIDEOTOTEXTURE_EXPORT __declspec( dllimport )
#    endif
#else
#    define GLSGEN_GLSVIDEOTOTEXTURE_EXPORT
#endif
///////////////////////////////////////////////////////////////////////////////

#define LIB_BASE_NAME "gls_video_to_texture"
#include "gls_auto_lib.h"
#undef LIB_BASE_NAME

// Force inclusion of the DirectShow library
#ifdef NO_GLS_AUTOLIB
#    define LIB_BASE_NAME "strmbase"
#    ifdef GLS_LIB_TYPE
#        undef GLS_LIB_TYPE
#    endif
#    define GLS_LIB_TYPE ""
#    include "gls_auto_lib.h"
#    undef GLS_LIB_TYPE
#    undef LIB_BASE_NAME
#endif

namespace disti
{
class GlsVideoToTextureSource;

// SetValue enumerations
enum
{
    GLS_GLSVIDEOTOTEXTURE_FIRST_VALUE = GLS_LAST_INITIALIZER + 1,
    GLS_GLSVIDEOTOTEXTURE_CAPTUREDEVICE
};

/** Runtime implementation of a GlsVideoToTexture */
class GlsVideoToTexture : public GLPolygon
{
    friend class GlsVideoToTextureEditor;

private:
    GlsVideoToTexture& operator=( const GlsVideoToTexture& ) DISTI_SPECIAL_MEM_FUN_DELETE;
    GlsVideoToTexture( const GlsVideoToTexture& ) DISTI_SPECIAL_MEM_FUN_DELETE;

public:
    typedef GLPolygon _BaseClass;

    /** Create a new GlsVideoToTexture.
      * \param generateInstance  Whether or not to generate an instance name
      * for this inputdevice */
    GLSGEN_GLSVIDEOTOTEXTURE_EXPORT GlsVideoToTexture( bool generateInstance = false );
    GLSGEN_GLSVIDEOTOTEXTURE_EXPORT GlsVideoToTexture( const GlsVideoToTexture& that, const bool generateNames );

    /** Destructs a GlsVideoToTexture object */
    virtual GLSGEN_GLSVIDEOTOTEXTURE_EXPORT ~GlsVideoToTexture();

    static GLSGEN_GLSVIDEOTOTEXTURE_EXPORT DisplayObject* CreateInstance();

    virtual GLSGEN_GLSVIDEOTOTEXTURE_EXPORT void SetAvailableAttributes( unsigned int value );

    virtual GLSGEN_GLSVIDEOTOTEXTURE_EXPORT DisplayObject* CloneObject( bool generateNames = false );

    virtual GLSGEN_GLSVIDEOTOTEXTURE_EXPORT void CopyProperties( DisplayObject* src );

    virtual GLSGEN_GLSVIDEOTOTEXTURE_EXPORT InterfaceListType* GetCppInterfaceDescription( InterfaceListType* addToThisList = NULL );
    virtual GLSGEN_GLSVIDEOTOTEXTURE_EXPORT void               GetCppInterfaceDescriptionFree( InterfaceListType* array );

    virtual GLSGEN_GLSVIDEOTOTEXTURE_EXPORT void PreDraw( const OpenGLMatrices& parentMatrices, Culler& culler );
    virtual GLSGEN_GLSVIDEOTOTEXTURE_EXPORT void Draw( void );

    virtual GLSGEN_GLSVIDEOTOTEXTURE_EXPORT void SetValue( int spec, va_list& args );

    //////////////////////////////////////////////////
    // GlsVideoToTexture specific operations
    //////////////////////////////////////////////////
    /** Sets the desired capture device index */
    virtual GLSGEN_GLSVIDEOTOTEXTURE_EXPORT void CaptureDevice( const int& value );
    /** Gets the capture device index */
    virtual GLSGEN_GLSVIDEOTOTEXTURE_EXPORT int CaptureDevice();

    /** Specifies how many execution frames required to update on texture
      * 1 == Full update in one frame.
      */
    virtual GLSGEN_GLSVIDEOTOTEXTURE_EXPORT void NumUpdateBlocks( const int& value );
    /** Gets the number of execution frames required to update 
      */
    virtual GLSGEN_GLSVIDEOTOTEXTURE_EXPORT int NumUpdateBlocks();

protected:
    int                      _captureDevice;
    int                      _numUpdateBlocks;
    GlsVideoToTextureSource* _videoSource;
};

} // namespace disti

#endif