You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
85 lines
2.8 KiB
85 lines
2.8 KiB
24 years ago
|
/*
|
||
|
|
* tableinitcmtemplate.c - template for initialising lookup tables for
|
||
|
|
* translation from a colour map to true colour.
|
||
|
|
*
|
||
|
|
* This file shouldn't be compiled. It is included multiple times by
|
||
|
|
* translate.c, each time with a different definition of the macro OUT.
|
||
|
|
* For each value of OUT, this file defines a function which allocates an
|
||
|
|
* appropriately sized lookup table and initialises it.
|
||
|
|
*
|
||
|
|
* I know this code isn't nice to read because of all the macros, but
|
||
|
|
* efficiency is important here.
|
||
|
|
*/
|
||
|
|
|
||
|
|
/*
|
||
|
|
* OSXvnc Copyright (C) 2001 Dan McGuirk <mcguirk@incompleteness.net>.
|
||
|
|
* Original Xvnc code Copyright (C) 1999 AT&T Laboratories Cambridge.
|
||
|
|
* All Rights Reserved.
|
||
|
|
*
|
||
|
|
* 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.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#if !defined(OUT)
|
||
|
|
#error "This file shouldn't be compiled."
|
||
|
|
#error "It is included as part of translate.c"
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#define OUT_T CONCAT2E(CARD,OUT)
|
||
|
|
#define SwapOUT(x) CONCAT2E(Swap,OUT(x))
|
||
|
|
#define rfbInitColourMapSingleTableOUT \
|
||
|
|
CONCAT2E(rfbInitColourMapSingleTable,OUT)
|
||
|
|
|
||
|
|
static void
|
||
|
|
rfbInitColourMapSingleTableOUT (char **table, rfbPixelFormat *in,
|
||
|
|
rfbPixelFormat *out)
|
||
|
|
{
|
||
|
|
int i, r, g, b;
|
||
|
|
OUT_T *t;
|
||
|
|
EntryPtr pent;
|
||
|
|
int nEntries = 1 << in->bitsPerPixel;
|
||
|
|
|
||
|
|
if (*table) free(*table);
|
||
|
|
*table = (char *)malloc(nEntries * sizeof(OUT_T));
|
||
|
|
t = (OUT_T *)*table;
|
||
|
|
|
||
|
|
pent = (EntryPtr)&rfbInstalledColormap->red[0];
|
||
|
|
|
||
|
|
for (i = 0; i < nEntries; i++) {
|
||
|
|
if (pent->fShared) {
|
||
|
|
r = pent->co.shco.red->color;
|
||
|
|
g = pent->co.shco.green->color;
|
||
|
|
b = pent->co.shco.blue->color;
|
||
|
|
} else {
|
||
|
|
r = pent->co.local.red;
|
||
|
|
g = pent->co.local.green;
|
||
|
|
b = pent->co.local.blue;
|
||
|
|
}
|
||
|
|
t[i] = ((((r * out->redMax + 32767) / 65535) << out->redShift) |
|
||
|
|
(((g * out->greenMax + 32767) / 65535) << out->greenShift) |
|
||
|
|
(((b * out->blueMax + 32767) / 65535) << out->blueShift));
|
||
|
|
#if (OUT != 8)
|
||
|
|
if (out->bigEndian != in->bigEndian) {
|
||
|
|
t[i] = SwapOUT(t[i]);
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
pent++;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
#undef OUT_T
|
||
|
|
#undef SwapOUT
|
||
|
|
#undef rfbInitColourMapSingleTableOUT
|