diff options
Diffstat (limited to 'krfb/libvncserver/tableinittctemplate.c')
| -rw-r--r-- | krfb/libvncserver/tableinittctemplate.c | 142 |
1 files changed, 0 insertions, 142 deletions
diff --git a/krfb/libvncserver/tableinittctemplate.c b/krfb/libvncserver/tableinittctemplate.c deleted file mode 100644 index 254ba73e..00000000 --- a/krfb/libvncserver/tableinittctemplate.c +++ /dev/null @@ -1,142 +0,0 @@ -/* - * tableinittctemplate.c - template for initialising lookup tables for - * truecolour to truecolour translation. - * - * 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 two functions for initialising - * lookup tables. One is for truecolour translation using a single lookup - * table, the other is for truecolour translation using three separate - * lookup tables for the red, green and blue values. - * - * 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, - * 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 rfbInitTrueColourSingleTableOUT \ - CONCAT2E(rfbInitTrueColourSingleTable,OUT) -#define rfbInitTrueColourRGBTablesOUT CONCAT2E(rfbInitTrueColourRGBTables,OUT) -#define rfbInitOneRGBTableOUT CONCAT2E(rfbInitOneRGBTable,OUT) - -static void -rfbInitOneRGBTableOUT (OUT_T *table, int inMax, int outMax, int outShift, - int swap); - - -/* - * rfbInitTrueColourSingleTable sets up a single lookup table for truecolour - * translation. - */ - -static void -rfbInitTrueColourSingleTableOUT (char **table, rfbPixelFormat *in, - rfbPixelFormat *out) -{ - int i; - int inRed, inGreen, inBlue, outRed, outGreen, outBlue; - OUT_T *t; - int nEntries = 1 << in->bitsPerPixel; - - if (*table) free(*table); - *table = (char *)malloc(nEntries * sizeof(OUT_T)); - t = (OUT_T *)*table; - - for (i = 0; i < nEntries; i++) { - inRed = (i >> in->redShift) & in->redMax; - inGreen = (i >> in->greenShift) & in->greenMax; - inBlue = (i >> in->blueShift) & in->blueMax; - - outRed = (inRed * out->redMax + in->redMax / 2) / in->redMax; - outGreen = (inGreen * out->greenMax + in->greenMax / 2) / in->greenMax; - outBlue = (inBlue * out->blueMax + in->blueMax / 2) / in->blueMax; - - t[i] = ((outRed << out->redShift) | - (outGreen << out->greenShift) | - (outBlue << out->blueShift)); -#if (OUT != 8) - if (out->bigEndian != in->bigEndian) { - t[i] = SwapOUT(t[i]); - } -#endif - } -} - - -/* - * rfbInitTrueColourRGBTables sets up three separate lookup tables for the - * red, green and blue values. - */ - -static void -rfbInitTrueColourRGBTablesOUT (char **table, rfbPixelFormat *in, - rfbPixelFormat *out) -{ - OUT_T *redTable; - OUT_T *greenTable; - OUT_T *blueTable; - - if (*table) free(*table); - *table = (char *)malloc((in->redMax + in->greenMax + in->blueMax + 3) - * sizeof(OUT_T)); - redTable = (OUT_T *)*table; - greenTable = redTable + in->redMax + 1; - blueTable = greenTable + in->greenMax + 1; - - rfbInitOneRGBTableOUT (redTable, in->redMax, out->redMax, - out->redShift, (out->bigEndian != in->bigEndian)); - rfbInitOneRGBTableOUT (greenTable, in->greenMax, out->greenMax, - out->greenShift, (out->bigEndian != in->bigEndian)); - rfbInitOneRGBTableOUT (blueTable, in->blueMax, out->blueMax, - out->blueShift, (out->bigEndian != in->bigEndian)); -} - -static void -rfbInitOneRGBTableOUT (OUT_T *table, int inMax, int outMax, int outShift, - int swap) -{ - int i; - int nEntries = inMax + 1; - - for (i = 0; i < nEntries; i++) { - table[i] = ((i * outMax + inMax / 2) / inMax) << outShift; -#if (OUT != 8) - if (swap) { - table[i] = SwapOUT(table[i]); - } -#endif - } -} - -#undef OUT_T -#undef SwapOUT -#undef rfbInitTrueColourSingleTableOUT -#undef rfbInitTrueColourRGBTablesOUT -#undef rfbInitOneRGBTableOUT |