prj.cpp

Go to the documentation of this file.

/*
** ---------------------------------------------------------------
** prj.cpp - Project manager class.
**
** ---------------------------------------------------------------
*/

/*
** ---------------------------------------------------------------
** Global variables and symbols
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#include "iup.h"
#include "cd.h"
#include "cdiup.h"
#include "cddbuf.h"
#include "prj.h"
#include "dsp.h"
#include "zbf.h"


/*
** ---------------------------------------------------------------
** Initialization of class variables: 
*/

Ihandle* Prj::Ozbufferdialog = NULL;

cdCanvas* Prj::Gzbuffercanvas = NULL;

cdCanvas* Prj::Dzbuffercanvas = NULL;

int Prj::canvas_width = 400;
int Prj::canvas_height = 400;

/*
** ---------------------------------------------------------------
** Private class functions: 
*/

/*====================  Prj::DspZbufferCanvas  =====================*/

int Prj::DspZbufferCanvas( Ihandle* cv )
{
 if( Dzbuffercanvas )
 {
  Zbf::Init( Dzbuffercanvas );
  Dsp::ZbfModel( Dzbuffercanvas );
  cdCanvasFlush( Dzbuffercanvas );
 }
 return( IUP_DEFAULT );
}

/*======================  Prj::DspRotateView  ======================*/

int Prj::DspRotateView( void )
{
 if( Dzbuffercanvas )
 {
  Dsp::RotateView( );
  Zbf::Init( Dzbuffercanvas );
  Dsp::ZbfModel( Dzbuffercanvas );
  cdCanvasFlush( Dzbuffercanvas );
 }
 return( IUP_DEFAULT );
}

/*
** ---------------------------------------------------------------
** Public class functions:
**
*/

/*==========================  Prj::Init  ============================*/

void Prj::Init( void )
{
 Ihandle  *Ozbuffercanvas;   /* IUP handle of zbuffer canvas */
 static char size_string[32];

 if( Gzbuffercanvas )
  cdKillCanvas( Gzbuffercanvas );

 if( Ozbufferdialog )
  IupDestroy( Ozbufferdialog );

/* Create a CD canvas with default sizes.
 * Specifies function "Prj::DspZbufferCanvas" as the redisplay callback.
 */
 IupSetFunction( "Prj::DspZbufferCanvas", (Icallback)Prj::DspZbufferCanvas );
 Ozbuffercanvas = IupCanvas( "Prj::DspZbufferCanvas" );
 sprintf( size_string, "%dx%d", canvas_width, canvas_height );
 IupSetAttribute( Ozbuffercanvas, IUP_RASTERSIZE, size_string );
 IupSetAttribute( Ozbuffercanvas, IUP_SCROLLBAR, IUP_NO );

/* Create a dialog for the canvas with no resize option.
 * Specifies function "Prj::DspRotateView" as the idle event callback.
 */
 Ozbufferdialog = IupDialog( Ozbuffercanvas );
 IupSetAttribute( Ozbufferdialog, IUP_MAXBOX, IUP_NO );
 IupSetAttribute( Ozbufferdialog, IUP_MINBOX, IUP_NO );
 IupSetAttribute( Ozbufferdialog, IUP_RESIZE, IUP_NO );
 IupSetAttribute( Ozbufferdialog, IUP_TITLE,  "Zbuffer Canvas" );
 IupSetFunction( IUP_IDLE_ACTION, (Icallback)Prj::DspRotateView );
 IupMap( Ozbufferdialog );

/* Create a CD canvas for displaying and double buffer.
 */
 Gzbuffercanvas = cdCreateCanvas( CD_IUP, Ozbuffercanvas );
 Dzbuffercanvas = cdCreateCanvas( CD_DBUFFER, Gzbuffercanvas );

/* Setup initial display parameters.
 */
 Dsp::SetupView( Dzbuffercanvas );

/* Launch dialog.
 */
 IupShow( Ozbufferdialog );
}

/*===========================  Prj::Quit  ===========================*/

void Prj::Quit( void )
{
 if( Dzbuffercanvas )
  cdKillCanvas( Dzbuffercanvas );

 if( Gzbuffercanvas )
  cdKillCanvas( Gzbuffercanvas );

 if( Ozbufferdialog )
  IupDestroy( Ozbufferdialog );
}

---