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libtdevnc
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forgot files for 3 bpp

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pull/1/head
dscho 23 years ago
parent 095539cd8c
commit e9b44e06ef
3 changed files with 528 additions and 0 deletions
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90
pnmshow24.c
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#ifndef ALLOW24BPP
#error "I need the ALLOW24BPP flag to work"
#endif
#include <stdio.h>
#include "rfb.h"
#include "keysym.h"
void HandleKey(Bool down,KeySym key,rfbClientPtr cl)
{
if(down && (key==XK_Escape || key=='q' || key=='Q'))
rfbCloseClient(cl);
}
int main(int argc,char** argv)
{
FILE* in=stdin;
int j,width,height,paddedWidth;
unsigned char buffer[1024];
rfbScreenInfoPtr rfbScreen;
if(argc>1) {
in=fopen(argv[1],"rb");
if(!in) {
printf("Couldn't find file %s.\n",argv[1]);
exit(1);
}
}
fgets(buffer,1024,in);
if(strncmp(buffer,"P6",2)) {
printf("Not a ppm.\n");
exit(2);
}
/* skip comments */
do {
fgets(buffer,1024,in);
} while(buffer[0]=='#');
/* get width & height */
sscanf(buffer,"%d %d",&width,&height);
fprintf(stderr,"Got width %d and height %d.\n",width,height);
fgets(buffer,1024,in);
/* vncviewers have problems with widths which are no multiple of 4. */
paddedWidth = width;
/* if your vncviewer doesn't have problems with a width
which is not a multiple of 4, you can comment this. */
if(width&3)
paddedWidth+=4-(width&3);
/* initialize data for vnc server */
rfbScreen = rfbGetScreen(argc,argv,paddedWidth,height,8,3,3);
if(argc>1)
rfbScreen->desktopName = argv[1];
else
rfbScreen->desktopName = "Picture";
rfbScreen->rfbAlwaysShared = TRUE;
rfbScreen->kbdAddEvent = HandleKey;
/* enable http */
rfbScreen->httpDir = "./classes";
/* allocate picture and read it */
rfbScreen->frameBuffer = (char*)malloc(paddedWidth*3*height);
fread(rfbScreen->frameBuffer,width*3,height,in);
fclose(in);
/* pad to paddedWidth */
if(width != paddedWidth) {
int padCount = 3*(paddedWidth - width);
for(j=height-1;j>=0;j--) {
memmove(rfbScreen->frameBuffer+3*paddedWidth*j,
rfbScreen->frameBuffer+3*width*j,
3*width);
memset(rfbScreen->frameBuffer+3*paddedWidth*(j+1)-padCount,
0,padCount);
}
}
/* initialize server */
rfbInitServer(rfbScreen);
/* run event loop */
rfbRunEventLoop(rfbScreen,40000,FALSE);
return(0);
}

157
tableinit24.c
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/*
24 bit
*/
/*
* 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.
*/
static void
rfbInitOneRGBTable24 (CARD8 *table, int inMax, int outMax, int outShift,int swap);
static void
rfbInitColourMapSingleTable24(char **table, rfbPixelFormat *in,
rfbPixelFormat *out,rfbColourMap* colourMap)
{
CARD32 i, r, g, b, outValue;
CARD8 *t;
CARD8 c;
int nEntries = 1 << in->bitsPerPixel;
int shift = colourMap->is16?16:8;
if (*table) free(*table);
*table = (char *)malloc(nEntries * 3 + 1);
t = (CARD8 *)*table;
for (i = 0; i < nEntries; i++) {
r = g = b = 0;
if(i < colourMap->count) {
if(colourMap->is16) {
r = colourMap->data.shorts[3*i+0];
g = colourMap->data.shorts[3*i+1];
b = colourMap->data.shorts[3*i+2];
} else {
r = colourMap->data.bytes[3*i+0];
g = colourMap->data.bytes[3*i+1];
b = colourMap->data.bytes[3*i+2];
}
}
outValue = ((((r * (1 + out->redMax)) >> shift) << out->redShift) |
(((g * (1 + out->greenMax)) >> shift) << out->greenShift) |
(((b * (1 + out->blueMax)) >> shift) << out->blueShift));
*(CARD32*)&t[3*i] = outValue;
if(!rfbEndianTest)
memmove(t+3*i,t+3*i+1,3);
if (out->bigEndian != in->bigEndian) {
c = t[3*i]; t[3*i] = t[3*i+2]; t[3*i+2] = c;
}
}
}
/*
* rfbInitTrueColourSingleTable sets up a single lookup table for truecolour
* translation.
*/
static void
rfbInitTrueColourSingleTable24 (char **table, rfbPixelFormat *in,
rfbPixelFormat *out)
{
int i,outValue;
int inRed, inGreen, inBlue, outRed, outGreen, outBlue;
CARD8 *t;
CARD8 c;
int nEntries = 1 << in->bitsPerPixel;
if (*table) free(*table);
*table = (char *)xalloc(nEntries * 3 + 1);
t = (CARD8 *)*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;
outValue = ((outRed << out->redShift) |
(outGreen << out->greenShift) |
(outBlue << out->blueShift));
*(CARD32*)&t[3*i] = outValue;
if(!rfbEndianTest)
memmove(t+3*i,t+3*i+1,3);
if (out->bigEndian != in->bigEndian) {
c = t[3*i]; t[3*i] = t[3*i+2]; t[3*i+2] = c;
}
}
}
/*
* rfbInitTrueColourRGBTables sets up three separate lookup tables for the
* red, green and blue values.
*/
static void
rfbInitTrueColourRGBTables24 (char **table, rfbPixelFormat *in,
rfbPixelFormat *out)
{
CARD8 *redTable;
CARD8 *greenTable;
CARD8 *blueTable;
if (*table) free(*table);
*table = (char *)xalloc((in->redMax + in->greenMax + in->blueMax + 3)
* 3 + 1);
redTable = (CARD8 *)*table;
greenTable = redTable + 3*(in->redMax + 1);
blueTable = greenTable + 3*(in->greenMax + 1);
rfbInitOneRGBTable24 (redTable, in->redMax, out->redMax,
out->redShift, (out->bigEndian != in->bigEndian));
rfbInitOneRGBTable24 (greenTable, in->greenMax, out->greenMax,
out->greenShift, (out->bigEndian != in->bigEndian));
rfbInitOneRGBTable24 (blueTable, in->blueMax, out->blueMax,
out->blueShift, (out->bigEndian != in->bigEndian));
}
static void
rfbInitOneRGBTable24 (CARD8 *table, int inMax, int outMax, int outShift,
int swap)
{
int i;
int nEntries = inMax + 1;
CARD32 outValue;
CARD8 c;
for (i = 0; i < nEntries; i++) {
outValue = ((i * outMax + inMax / 2) / inMax) << outShift;
*(CARD32 *)&table[3*i] = outValue;
if(!rfbEndianTest)
memmove(table+3*i,table+3*i+1,3);
if (swap) {
c = table[3*i]; table[3*i] = table[3*i+2];
table[3*i+2] = c;
}
}
}

281
tabletrans24template.c
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/*
* tabletranstemplate.c - template for translation using lookup tables.
*
* This file shouldn't be compiled. It is included multiple times by
* translate.c, each time with different definitions of the macros IN and OUT.
*
* For each pair of values IN and OUT, this file defines two functions for
* translating a given rectangle of pixel data. One uses a single lookup
* table, and the other uses 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
* USA.
*/
#if !defined(BPP)
#error "This file shouldn't be compiled."
#error "It is included as part of translate.c"
#endif
#if BPP == 24
/*
* rfbTranslateWithSingleTableINtoOUT translates a rectangle of pixel data
* using a single lookup table.
*/
static void
rfbTranslateWithSingleTable24to24 (char *table, rfbPixelFormat *in,
rfbPixelFormat *out,
char *iptr, char *optr,
int bytesBetweenInputLines,
int width, int height)
{
CARD8 *ip = (CARD8 *)iptr;
CARD8 *op = (CARD8 *)optr;
int ipextra = bytesBetweenInputLines / 3 - width;
CARD8 *opLineEnd;
CARD8 *t = (CARD8 *)table;
int shift = rfbEndianTest?0:8;
CARD8 c;
while (height > 0) {
opLineEnd = op + width*3;
while (op < opLineEnd) {
*(CARD32*)op = t[((*(CARD32 *)ip)>>shift)&0x00ffffff];
if(!rfbEndianTest)
memmove(op,op+1,3);
if (out->bigEndian != in->bigEndian) {
c = op[0]; op[0] = op[2]; op[2] = c;
}
op += 3;
ip += 3;
}
ip += ipextra;
height--;
}
}
/*
* rfbTranslateWithRGBTablesINtoOUT translates a rectangle of pixel data
* using three separate lookup tables for the red, green and blue values.
*/
static void
rfbTranslateWithRGBTables24to24 (char *table, rfbPixelFormat *in,
rfbPixelFormat *out,
char *iptr, char *optr,
int bytesBetweenInputLines,
int width, int height)
{
CARD8 *ip = (CARD8 *)iptr;
CARD8 *op = (CARD8 *)optr;
int ipextra = bytesBetweenInputLines / 3 - width;
CARD8 *opLineEnd;
CARD8 *redTable = (CARD8 *)table;
CARD8 *greenTable = redTable + 3*(in->redMax + 1);
CARD8 *blueTable = greenTable + 3*(in->greenMax + 1);
CARD32 outValue,inValue;
int shift = rfbEndianTest?0:8;
while (height > 0) {
opLineEnd = op+3*width;
while (op < opLineEnd) {
inValue = ((*(CARD32 *)ip)>>shift)&0x00ffffff;
outValue = (redTable[(inValue >> in->redShift) & in->redMax] |
greenTable[(inValue >> in->greenShift) & in->greenMax] |
blueTable[(inValue >> in->blueShift) & in->blueMax]);
memcpy(op,&outValue,3);
op += 3;
ip+=3;
}
ip += ipextra;
height--;
}
}
#else
#define IN_T CONCAT2E(CARD,BPP)
#define OUT_T CONCAT2E(CARD,BPP)
#define rfbTranslateWithSingleTable24toOUT \
CONCAT4E(rfbTranslateWithSingleTable,24,to,BPP)
#define rfbTranslateWithSingleTableINto24 \
CONCAT4E(rfbTranslateWithSingleTable,BPP,to,24)
#define rfbTranslateWithRGBTables24toOUT \
CONCAT4E(rfbTranslateWithRGBTables,24,to,BPP)
#define rfbTranslateWithRGBTablesINto24 \
CONCAT4E(rfbTranslateWithRGBTables,BPP,to,24)
/*
* rfbTranslateWithSingleTableINtoOUT translates a rectangle of pixel data
* using a single lookup table.
*/
static void
rfbTranslateWithSingleTable24toOUT (char *table, rfbPixelFormat *in,
rfbPixelFormat *out,
char *iptr, char *optr,
int bytesBetweenInputLines,
int width, int height)
{
CARD8 *ip = (CARD8 *)iptr;
OUT_T *op = (OUT_T *)optr;
int ipextra = bytesBetweenInputLines / 3 - width;
OUT_T *opLineEnd;
OUT_T *t = (OUT_T *)table;
int shift = rfbEndianTest?0:8;
while (height > 0) {
opLineEnd = op + width;
while (op < opLineEnd) {
*(op++) = t[((*(CARD32 *)ip)>>shift)&0x00ffffff];
ip+=3;
}
ip += ipextra;
height--;
}
}
/*
* rfbTranslateWithRGBTablesINtoOUT translates a rectangle of pixel data
* using three separate lookup tables for the red, green and blue values.
*/
static void
rfbTranslateWithRGBTables24toOUT (char *table, rfbPixelFormat *in,
rfbPixelFormat *out,
char *iptr, char *optr,
int bytesBetweenInputLines,
int width, int height)
{
CARD8 *ip = (CARD8 *)iptr;
OUT_T *op = (OUT_T *)optr;
int ipextra = bytesBetweenInputLines / 3 - width;
OUT_T *opLineEnd;
OUT_T *redTable = (OUT_T *)table;
OUT_T *greenTable = redTable + in->redMax + 1;
OUT_T *blueTable = greenTable + in->greenMax + 1;
CARD32 inValue;
int shift = rfbEndianTest?0:8;
while (height > 0) {
opLineEnd = &op[width];
while (op < opLineEnd) {
inValue = ((*(CARD32 *)ip)>>shift)&0x00ffffff;
*(op++) = (redTable[(inValue >> in->redShift) & in->redMax] |
greenTable[(inValue >> in->greenShift) & in->greenMax] |
blueTable[(inValue >> in->blueShift) & in->blueMax]);
ip+=3;
}
ip += ipextra;
height--;
}
}
/*
* rfbTranslateWithSingleTableINto24 translates a rectangle of pixel data
* using a single lookup table.
*/
static void
rfbTranslateWithSingleTableINto24 (char *table, rfbPixelFormat *in,
rfbPixelFormat *out,
char *iptr, char *optr,
int bytesBetweenInputLines,
int width, int height)
{
IN_T *ip = (IN_T *)iptr;
CARD8 *op = (CARD8 *)optr;
int ipextra = bytesBetweenInputLines / sizeof(IN_T) - width;
CARD8 *opLineEnd;
CARD8 *t = (CARD8 *)table;
while (height > 0) {
opLineEnd = op + width * 3;
while (op < opLineEnd) {
memcpy(op,&t[3*(*(ip++))],3);
op += 3;
}
ip += ipextra;
height--;
}
}
/*
* rfbTranslateWithRGBTablesINto24 translates a rectangle of pixel data
* using three separate lookup tables for the red, green and blue values.
*/
static void
rfbTranslateWithRGBTablesINto24 (char *table, rfbPixelFormat *in,
rfbPixelFormat *out,
char *iptr, char *optr,
int bytesBetweenInputLines,
int width, int height)
{
IN_T *ip = (IN_T *)iptr;
CARD8 *op = (CARD8 *)optr;
int ipextra = bytesBetweenInputLines / sizeof(IN_T) - width;
CARD8 *opLineEnd;
CARD8 *redTable = (CARD8 *)table;
CARD8 *greenTable = redTable + 3*(in->redMax + 1);
CARD8 *blueTable = greenTable + 3*(in->greenMax + 1);
CARD32 outValue;
while (height > 0) {
opLineEnd = op+3*width;
while (op < opLineEnd) {
outValue = (redTable[(*ip >> in->redShift) & in->redMax] |
greenTable[(*ip >> in->greenShift) & in->greenMax] |
blueTable[(*ip >> in->blueShift) & in->blueMax]);
memcpy(op,&outValue,3);
op += 3;
ip++;
}
ip += ipextra;
height--;
}
}
#undef IN_T
#undef OUT_T
#undef rfbTranslateWithSingleTable24toOUT
#undef rfbTranslateWithRGBTables24toOUT
#undef rfbTranslateWithSingleTableINto24
#undef rfbTranslateWithRGBTablesINto24
#endif
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