mirror of
https://invent.kde.org/network/krfb
synced 2024-07-08 12:05:49 +00:00
fac983d5a4
This is currently required to be able to split off the event processing code in small functions so that it is possible to integrate libvncserver's event loop code with Qt's event loop properly. This is also what vino does; the whole event loop integration idea was taken from there. svn path=/trunk/KDE/kdenetwork/krfb/; revision=1195283
63 lines
1.8 KiB
C
63 lines
1.8 KiB
C
/*
|
|
* Copyright (C) 2002 RealVNC Ltd. All Rights Reserved.
|
|
* Copyright (C) 2003 Sun Microsystems, Inc.
|
|
*
|
|
* This 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 software 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 software; if not, write to the Free Software
|
|
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
|
|
* USA.
|
|
*/
|
|
|
|
#include "zrlepalettehelper.h"
|
|
#include <assert.h>
|
|
#include <string.h>
|
|
|
|
#define ZRLE_HASH(pix) (((pix) ^ ((pix) >> 17)) & 4095)
|
|
|
|
void zrlePaletteHelperInit(zrlePaletteHelper *helper)
|
|
{
|
|
memset(helper->palette, 0, sizeof(helper->palette));
|
|
memset(helper->index, 255, sizeof(helper->index));
|
|
memset(helper->key, 0, sizeof(helper->key));
|
|
helper->size = 0;
|
|
}
|
|
|
|
void zrlePaletteHelperInsert(zrlePaletteHelper *helper, zrle_U32 pix)
|
|
{
|
|
if (helper->size < ZRLE_PALETTE_MAX_SIZE) {
|
|
int i = ZRLE_HASH(pix);
|
|
|
|
while (helper->index[i] != 255 && helper->key[i] != pix)
|
|
i++;
|
|
if (helper->index[i] != 255) return;
|
|
|
|
helper->index[i] = helper->size;
|
|
helper->key[i] = pix;
|
|
helper->palette[helper->size] = pix;
|
|
}
|
|
helper->size++;
|
|
}
|
|
|
|
int zrlePaletteHelperLookup(zrlePaletteHelper *helper, zrle_U32 pix)
|
|
{
|
|
int i = ZRLE_HASH(pix);
|
|
|
|
assert(helper->size <= ZRLE_PALETTE_MAX_SIZE);
|
|
|
|
while (helper->index[i] != 255 && helper->key[i] != pix)
|
|
i++;
|
|
if (helper->index[i] != 255) return helper->index[i];
|
|
|
|
return -1;
|
|
}
|