/*** $Id: yuv.c,v 1.4 2003/09/04 06:02:53 weiym Exp $**** yuv.c: YUV overlay support.**** Copyright (C) 2003 Feynman Software** Copyright (C) 2001 ~ 2002 Wei Yongming.**** Current maintainer: Wei Yongming.**** Create date: 2001/11/06*//*** This program is free software; you can redistribute it and/or modify** it under the terms of the GNU General Public License as published by** the Free Software Foundation; either version 2 of the License, or** (at your option) any later version.**** This program 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 General Public License for more details.**** You should have received a copy of the GNU General Public License** along with this program; if not, write to the Free Software** Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA*//*** TODO:*/#include <stdio.h>#include <stdlib.h>#include <string.h>#include "common.h"#include "minigui.h"#include "gdi.h"#include "window.h"#include "cliprect.h"#include "gal.h"#include "internals.h"#include "ctrlclass.h"#include "dc.h"#include "pixel_ops.h"#include "cursor.h"/****************************** YUV overlay support **************************//* Create a YUV overlay */GAL_Overlay* GUIAPI CreateYUVOverlay (int width, int height, Uint32 format, HDC hdc){    PDC pdc = dc_HDC2PDC (hdc);    return GAL_CreateYUVOverlay (width, height, format, pdc->surface);}/* Display a YUV overlay */void GUIAPI DisplayYUVOverlay (GAL_Overlay* overlay, const RECT* dstrect){    GAL_Rect dst;    PDC pdc;    RECT rcOutput = {0, 0, WIDTHOFPHYGC, HEIGHTOFPHYGC};    if (!(pdc = check_ecrgn (HDC_SCREEN)))        return;    if (dstrect) {        rcOutput = *dstrect;        dst.x = dstrect->left;        dst.y = dstrect->top;        dst.w = RECTWP(dstrect);        dst.h = RECTHP(dstrect);    }    else {        dst.x = 0;        dst.y = 0;        dst.w = WIDTHOFPHYGC;        dst.h = HEIGHTOFPHYGC;    }    pdc->rc_output = rcOutput;    ENTER_DRAWING (pdc);    GAL_DisplayYUVOverlay (overlay, &dst);    LEAVE_DRAWING (pdc);    UNLOCK_GCRINFO (pdc);}