/* 

 *  Viewer_System.c

 *

 *  QuickDraw 3D 1.6 Sample

 *  Robert Dierkes

 *

 *   12/22/98   RDD     Created.

 */

/*------------------*/

/*  Include Files   */

/*------------------*/

#include "QD3D.h"

#if defined(OS_MACINTOSH) && OS_MACINTOSH

#include "QD3DViewer.h"

#include <CodeFragments.h>  /* kUnresolvedCFragSymbolAddress */

#include <Gestalt.h>

#include <Resources.h>

#include <Sound.h>

#endif

#include "Viewer_Main.h"

#include "Viewer_System.h"

#include "Viewer_Error.h"

/*----------------------*/

/*  Global Declarations */

/*----------------------*/

/*

 *  QuickDraw3D_Initialize

 */

TQ3Boolean QuickDraw3D_Initialize(

            void)

{

    TQ3Status       status = kQ3Failure;

    OSErr           error;

    long            response;

    unsigned long   viewerRelRev;

    error = Gestalt(gestaltQD3D, &response);

    if ((error != noErr)  ||

        (! (response & (1 << gestaltQD3DPresent)))) {

        Error_ShowMessage(kQuickDraw3DNotInstalledStr);

        return kQ3False;

    }

    /*

     * Test for specific symbol as recommended in develop, March 1995

     * NOTE: QuickDraw3DLib must be weak linked for this comparison to work.

     */

    if (((void *) Q3Initialize) == (void *) kUnresolvedCFragSymbolAddress) {

        Error_ShowMessage(kQuickDraw3DNotInstalledStr);

        return kQ3False;

    }

    status = Q3Initialize();

    if (status == kQ3Failure) {

        ERROR_DEBUG_STR ("QuickDraw3D_Initialize: Q3Initialize returned failure.");

        return kQ3False;

    }

    /* Get QuickDraw 3D version */

    error = Gestalt(gestaltQD3DVersion, &response);

    if ((error != noErr)  ||

        (response < kQD3DGestaltVersion_1_6_0)) {

        Error_ShowMessage(kQuickDraw3DNotCurrentStr);

        return kQ3False;

    }

    /* Get Viewer version */

    error = Q3ViewerGetReleaseVersion(&viewerRelRev);

    if ((error != noErr)  ||

        (response < kQD3DGestaltVersion_1_6_0)) {

        Error_ShowMessage(kQuickDraw3DViewerNotCurrentStr);

        return kQ3False;

    }

    return kQ3True;

}

/*

 *  QuickDraw3D_Exit

 */

TQ3Boolean QuickDraw3D_Exit(

            void)

{

    if (Q3Exit() == kQ3Failure) {

        ERROR_DEBUG_STR ("QuickDraw3D_Exit: Q3Exit returned failure.");

        return kQ3False;

    }

    return kQ3True;

}

#pragma mark -

/*

 *  System_Beep

 */

void System_Beep(

    void)

{

#if defined(OS_MACINTOSH) && OS_MACINTOSH

    SysBeep(1);

#endif

}