/*

* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies). 

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of "Eclipse Public License v1.0"

* which accompanies this distribution, and is available

* at the URL "http://www.eclipse.org/legal/epl-v10.html".

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description:

*

*/

#include "vg_vgibridge.h"

#include <stdlib.h>

#include <string.h>

#include <VG/openvg.h>

#define VGI_API_CALL __declspec(dllexport)

#define VGI_GET_BRIDGE      VGIBridge *bridge = vgiGetBridge(); if(!bridge) return; 

#define VGI_GET_BRIDGE_RET  VGIBridge *bridge = vgiGetBridge(); if(!bridge) return 0; 

#if defined __SYMBIAN32__

static void vgiSetCurrentBridge( VGIBridge* bridge )

{

    Dll::SetTls( bridge );

}

static VGIBridge* vgiGetCurrentBridge()

{

    return (VGIBridge*)Dll::Tls();

}

#elif defined WIN32

#include <windows.h>

VGIBridge *currBridge = NULL;

static void vgiSetCurrentBridge( VGIBridge* bridge )

{

    currBridge = bridge;

}

static VGIBridge* vgiGetCurrentBridge()

{

    return currBridge;

}

#endif

static VGIBridge* vgiGetBridge()

{

    VGIBridge *bridge = vgiGetCurrentBridge();

    if( !bridge )

    {

        VGIBridgeFunc vgiVGIBridge = NULL;

        bridge = (VGIBridge *)malloc( sizeof(VGIBridge) );

        if( !bridge )

            return NULL;

        memset( bridge, 0, sizeof(VGIBridge) );

#if defined __SYMBIAN32__

        {

            RLibrary lib;

#ifdef OPENVG_VERSION_1_1

            if( lib.Load( _L("libOpenVG_SW.dll") ) == KErrNone )

                vgiVGIBridge = (VGIBridgeFunc)lib.Lookup( 89 ); // <- 89 is a hardcoded ordinal, refer to libopenvgu.def in bwins and eabi folders

#else // OPENVG_VERSION_1_0 and OPENVG_VERSION_1_0_1

			if( lib.Load( _L("libOpenVG.dll") ) == KErrNone )

                vgiVGIBridge = (VGIBridgeFunc)lib.Lookup( 1 ); // <- 1 is a hardcoded ordinal, refer to libopenvgu.def in bwins and eabi folders

#endif

            bridge->libHandle = lib;

        }

#elif defined WIN32

        {

            HMODULE hModule = LoadLibrary( "libOpenVG.dll" );

            if( hModule )

                vgiVGIBridge = (VGIBridgeFunc)GetProcAddress( hModule, "vgiVGIBridge" );

        }

#endif

        if( !vgiVGIBridge )

        {

            free( bridge );

            return NULL;

        }

        vgiVGIBridge( bridge );

        vgiSetCurrentBridge( bridge );

    }

    return bridge;

}

VGI_API_CALL int VGIInitialize( int width, int height, VGIColorSpace colorSpace )

{

    VGI_GET_BRIDGE_RET;

    return bridge->VGIInitialize( width, height, colorSpace );

}

VGI_API_CALL int VGIInitializeEx( int width, int height, VGIColorSpace colorSpace, int premultiplied, int conformant )

{

    VGI_GET_BRIDGE_RET;

    return bridge->VGIInitializeEx( width, height, colorSpace, premultiplied, conformant );

}

VGI_API_CALL int VGICopyToTarget( VGIColorBufferFormat format, int bufferStride, void *buffer, int maskStride, void *mask, VGICopyToTargetHint hint )

{

    VGI_GET_BRIDGE_RET;

    return bridge->VGICopyToTarget( format, bufferStride, buffer, maskStride, mask, hint );

}

VGI_API_CALL void VGITerminate( void )

{

    VGI_GET_BRIDGE;

    bridge->VGITerminate();

#if defined __SYMBIAN32__

    bridge->libHandle.Close();

#endif

    free( bridge );

    vgiSetCurrentBridge( NULL );

}

VGI_API_CALL int VGIResize( int width, int height )

{

    VGI_GET_BRIDGE_RET;

    return bridge->VGIResize( width, height );

}

VGI_API_CALL int VGIBindToImage( VGImage image )

{

    VGI_GET_BRIDGE_RET;

    return bridge->VGIBindToImage( image );

}

VGI_API_CALL int VGIUnBindImage( void )

{

    VGI_GET_BRIDGE_RET;

    return bridge->VGIUnBindImage();

}

#ifdef __SYMBIAN32__

EXPORT_C TInt VGISymbianInitialize( TSize aSize, VGIColorSpace aColorSpace )

{

    VGI_GET_BRIDGE_RET;

    return bridge->VGISymbianInitialize( aSize, aColorSpace );

}

EXPORT_C TInt VGISymbianInitializeEx( TSize aSize, VGIColorSpace aColorSpace, TBool aPremultiplied, TBool aConformant )

{

    VGI_GET_BRIDGE_RET;

    return bridge->VGISymbianInitializeEx( aSize, aColorSpace, aPremultiplied, aConformant );

}

EXPORT_C TInt VGISymbianCopyToBitmap( CFbsBitmap *aBitmap, CFbsBitmap *aMaskBitmap, VGICopyToTargetHint aHint )

{

    VGI_GET_BRIDGE_RET;

    return bridge->VGISymbianCopyToBitmap( aBitmap, aMaskBitmap, aHint );

}

EXPORT_C void VGISymbianTerminate()

{

    VGI_GET_BRIDGE;

    bridge->VGISymbianTerminate();

    bridge->libHandle.Close();

    free( bridge );

    vgiSetCurrentBridge( NULL );

}

EXPORT_C TInt VGISymbianResize( TSize aSize )

{

    VGI_GET_BRIDGE_RET;

    return bridge->VGISymbianResize( aSize );

}

EXPORT_C TInt VGISymbianBindToImage( VGImage aImage )

{

    VGI_GET_BRIDGE_RET;

    return bridge->VGISymbianBindToImage( aImage );

}

EXPORT_C TInt VGISymbianUnBindImage()

{

    VGI_GET_BRIDGE_RET;

    return bridge->VGISymbianUnBindImage();

}

#endif