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/******************************************************************************
*                            recordMyDesktop                                  *
*******************************************************************************
*                                                                             *
*            Copyright (C) 2006,2007,2008 John Varouhakis                     *
*                                                                             *
*                                                                             *
*   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  *
*                                                                             *
*                                                                             *
*                                                                             *
*   For further information contact me at johnvarouhakis@gmail.com            *
******************************************************************************/

#include "config.h"
#include "rmd_update_image.h"

#include "rmd_getzpixmap.h"
#include "rmd_yuv_utils.h"
#include "rmd_types.h"

#include <X11/Xlibint.h>
#include <X11/extensions/shmproto.h>
#include <X11/extensions/XShm.h>


void rmdUpdateImage(	Display * dpy,
			yuv_buffer *yuv,
			DisplaySpecs *specs,
			RectArea **root,
			BRWindow *brwin,
			EncData *enc,
			char *datatemp,
			int noshmem,
			XShmSegmentInfo *shminfo,
			int shm_opcode,
			int no_quick_subsample){

	RectArea *temp;
	unsigned char *dtap=(unsigned char*)datatemp;
	temp=*root;

	if (temp!=NULL) {
		do {
			if (noshmem) {
				rmdGetZPixmap(	dpy,
						specs->root,
						datatemp,
						temp->rect.x,
						temp->rect.y,
						temp->rect.width,
						temp->rect.height);
			} else {
				rmdGetZPixmapSHM(	dpy,
							specs->root,
							shminfo,
							shm_opcode,
							datatemp,temp->rect.x,
							temp->rect.y,
							temp->rect.width,
							temp->rect.height);
			}

			UPDATE_YUV_BUFFER(
				yuv,dtap,NULL,
				temp->rect.x-brwin->rrect.x+enc->x_offset,
				temp->rect.y-brwin->rrect.y+enc->y_offset,
				temp->rect.width,
				temp->rect.height,
				no_quick_subsample,
				specs->depth
			);

			temp=temp->next;
		} while (temp!=NULL);
	}
}
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