/*

    SDL - Simple DirectMedia Layer

    Copyright (C) 1997-2006 Sam Lantinga

    This library is free software; you can redistribute it and/or

    modify it under the terms of the GNU Lesser General Public

    License as published by the Free Software Foundation; either

    version 2.1 of the License, or (at your option) any later version.

    This library is distributed in the hope that it will be useful,

    but WITHOUT ANY WARRANTY; without even the implied warranty of

    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

    Lesser General Public License for more details.

    You should have received a copy of the GNU Lesser General Public

    License along with this library; if not, write to the Free Software

    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA

    Sam Lantinga

    slouken@libsdl.org

*/

#include "SDL_config.h"

#include "SDL_win32video.h"

int

WIN_SetDisplayGammaRamp(_THIS, Uint16 * ramp)

{

    SDL_DisplayData *data = (SDL_DisplayData *) SDL_CurrentDisplay.driverdata;

    HDC hdc;

    BOOL succeeded = FALSE;

    hdc = CreateDC(data->DeviceName, NULL, NULL, NULL);

    if (hdc) {

        succeeded = SetDeviceGammaRamp(hdc, ramp);

        if (!succeeded) {

            WIN_SetError("SetDeviceGammaRamp()");

        }

        DeleteDC(hdc);

    }

    return succeeded ? 0 : -1;

}

int

WIN_GetDisplayGammaRamp(_THIS, Uint16 * ramp)

{

    SDL_DisplayData *data = (SDL_DisplayData *) SDL_CurrentDisplay.driverdata;

    HDC hdc;

    BOOL succeeded = FALSE;

    hdc = CreateDC(data->DeviceName, NULL, NULL, NULL);

    if (hdc) {

        succeeded = GetDeviceGammaRamp(hdc, ramp);

        if (!succeeded) {

            WIN_SetError("GetDeviceGammaRamp()");

        }

        DeleteDC(hdc);

    }

    return succeeded ? 0 : -1;

}

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