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d1b2e10489
VNCviewGS/colortables.cc
Stephen Heumann d1b2e10489 Don't duplicatively regenerate color table entries. 
The logic for making sure the color table was complete before connecting was slightly broken due to wraparound, so it would cause all entries to be generated, re-generating any that already had been. This fixes it, which should make the initial connection process slightly faster on slow systems.
2016-05-21 00:23:48 -05:00

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#if __ORCAC__
#pragma lint -1
#pragma noroot
segment "VNCview GS";
#endif
#include <types.h>
#include <stdlib.h>
#include "colortables.h"
const unsigned char coltab320[] = {
/* bbgggrrr - incoming pixel data */
/* 00000 */ 0x00,0x00,0x00,0x22,0x77,0x77,0x77,0x77,
/* 00001 */ 0x00,0x00,0x22,0x22,0x22,0x77,0x77,0x77,
/* 00010 */ 0x55,0x55,0x22,0x22,0x22,0x22,0x66,0x66,
/* 00011 */ 0x55,0x55,0x22,0x22,0x22,0x22,0x66,0x66,
/* 00100 */ 0x55,0x55,0x55,0x22,0x22,0x66,0x66,0x66,
/* 00101 */ 0x55,0x55,0x55,0x55,0x22,0x66,0x66,0x66,
/* 00110 */ 0xAA,0xAA,0xAA,0xAA,0x99,0x99,0x99,0x99,
/* 00111 */ 0xAA,0xAA,0xAA,0xAA,0x99,0x99,0x99,0x99,
/* 01000 */ 0x00,0x00,0x22,0x22,0x22,0x77,0x77,0x77,
/* 01001 */ 0x00,0x00,0x22,0x22,0x22,0x22,0x77,0x77,
/* 01010 */ 0x55,0x11,0x11,0x11,0x11,0x22,0x66,0x66,
/* 01011 */ 0x55,0x11,0x11,0x11,0x11,0x11,0x66,0x66,
/* 01100 */ 0x55,0x55,0x11,0x11,0x11,0x11,0x88,0x88,
/* 01101 */ 0x55,0x55,0x11,0x11,0x11,0x88,0x88,0x88,
/* 01110 */ 0xAA,0xAA,0xAA,0x11,0x11,0x99,0x99,0x99,
/* 01111 */ 0xAA,0xAA,0xAA,0xAA,0x99,0x99,0x99,0x99,
/* 10000 */ 0x44,0x44,0x33,0x33,0x33,0x33,0x33,0x33,
/* 10001 */ 0x44,0x33,0x33,0x33,0x33,0x33,0x33,0x88,
/* 10010 */ 0x44,0x33,0x33,0x33,0x33,0x33,0x88,0x88,
/* 10011 */ 0x44,0x33,0x33,0x33,0x33,0x33,0x88,0x88,
/* 10100 */ 0xBB,0xBB,0x11,0x11,0x11,0xEE,0x88,0x88,
/* 10101 */ 0xBB,0xBB,0xBB,0x11,0xEE,0xEE,0x88,0x88,
/* 10110 */ 0xBB,0xBB,0xBB,0xBB,0xEE,0xEE,0xEE,0x88,
/* 10111 */ 0xBB,0xBB,0xBB,0xBB,0xEE,0xEE,0xEE,0xFF,
/* 11000 */ 0x44,0x44,0x44,0x33,0x33,0x33,0x33,0x33,
/* 11001 */ 0x44,0x44,0x33,0x33,0x33,0x33,0x33,0xCC,
/* 11010 */ 0x44,0x44,0xDD,0xDD,0xDD,0xDD,0xCC,0xCC,
/* 11011 */ 0x44,0xDD,0xDD,0xDD,0xDD,0xCC,0xCC,0xCC,
/* 11100 */ 0xBB,0xBB,0xDD,0xDD,0xDD,0xCC,0xCC,0xCC,
/* 11101 */ 0xBB,0xBB,0xBB,0xDD,0xDD,0xCC,0xCC,0xCC,
/* 11110 */ 0xBB,0xBB,0xBB,0xBB,0xEE,0xEE,0xFF,0xFF,
/* 11111 */ 0xBB,0xBB,0xBB,0xBB,0xBB,0xFF,0xFF,0xFF
};
/* Based on grayscale palette */
const unsigned char coltab640[] = {
/* bbgggrrr - incoming pixel data */
/* 00000 */ 0x00,0x00,0x00,0x00,0x55,0x55,0x55,0x55,
/* 00001 */ 0x00,0x00,0x55,0x55,0x55,0x55,0x55,0x55,
/* 00010 */ 0x55,0x55,0x55,0x55,0x55,0x55,0x55,0x55,
/* 00011 */ 0x55,0x55,0x55,0x55,0x55,0x55,0xAA,0xAA,
/* 00100 */ 0x55,0x55,0x55,0x55,0xAA,0xAA,0xAA,0xAA,
/* 00101 */ 0x55,0x55,0xAA,0xAA,0xAA,0xAA,0xAA,0xAA,
/* 00110 */ 0xAA,0xAA,0xAA,0xAA,0xAA,0xAA,0xAA,0xAA,
/* 00111 */ 0xAA,0xAA,0xAA,0xAA,0xAA,0xAA,0xFF,0xFF,
/* 01000 */ 0x00,0x00,0x00,0x00,0x55,0x55,0x55,0x55,
/* 01001 */ 0x00,0x00,0x55,0x55,0x55,0x55,0x55,0x55,
/* 01010 */ 0x55,0x55,0x55,0x55,0x55,0x55,0x55,0xAA,
/* 01011 */ 0x55,0x55,0x55,0x55,0x55,0xAA,0xAA,0xAA,
/* 01100 */ 0x55,0x55,0x55,0xAA,0xAA,0xAA,0xAA,0xAA,
/* 01101 */ 0x55,0xAA,0xAA,0xAA,0xAA,0xAA,0xAA,0xAA,
/* 01110 */ 0xAA,0xAA,0xAA,0xAA,0xAA,0xAA,0xAA,0xFF,
/* 01111 */ 0xAA,0xAA,0xAA,0xAA,0xAA,0xFF,0xFF,0xFF,
/* 10000 */ 0x00,0x00,0x00,0x55,0x55,0x55,0x55,0x55,
/* 10001 */ 0x00,0x55,0x55,0x55,0x55,0x55,0x55,0x55,
/* 10010 */ 0x55,0x55,0x55,0x55,0x55,0x55,0x55,0xAA,
/* 10011 */ 0x55,0x55,0x55,0x55,0x55,0xAA,0xAA,0xAA,
/* 10100 */ 0x55,0x55,0x55,0xAA,0xAA,0xAA,0xAA,0xAA,
/* 10101 */ 0x55,0xAA,0xAA,0xAA,0xAA,0xAA,0xAA,0xAA,
/* 10110 */ 0xAA,0xAA,0xAA,0xAA,0xAA,0xAA,0xAA,0xFF,
/* 10111 */ 0xAA,0xAA,0xAA,0xAA,0xAA,0xFF,0xFF,0xFF,
/* 11000 */ 0x00,0x00,0x55,0x55,0x55,0x55,0x55,0x55,
/* 11001 */ 0x55,0x55,0x55,0x55,0x55,0x55,0x55,0x55,
/* 11010 */ 0x55,0x55,0x55,0x55,0x55,0x55,0xAA,0xAA,
/* 11011 */ 0x55,0x55,0x55,0x55,0xAA,0xAA,0xAA,0xAA,
/* 11100 */ 0x55,0x55,0xAA,0xAA,0xAA,0xAA,0xAA,0xAA,
/* 11101 */ 0xAA,0xAA,0xAA,0xAA,0xAA,0xAA,0xAA,0xAA,
/* 11110 */ 0xAA,0xAA,0xAA,0xAA,0xAA,0xAA,0xFF,0xFF,
/* 11111 */ 0xAA,0xAA,0xAA,0xAA,0xFF,0xFF,0xFF,0xFF
};
/* iters = number of iterations to do (0 means run to completion) */
BOOLEAN MakeBigColorTables (unsigned int iters)
{
static unsigned int i = 0;
unsigned int iMax = i + iters;
if (iMax <= i) /* Deal with wraparound */
iMax = 0;
/* The addressing scheme here depends on the IIgs's little-endianness */
do {
bigcoltab320[i] = (coltab320[i&0xFF]&0xF0) + (coltab320[i>>8]&0x0F);
bigcoltab640a[i] = (coltab640[i&0xFF]&0xC0) + (coltab640[i>>8]&0x30);
bigcoltab640b[i] = (coltab640[i&0xFF]&0x0C) + (coltab640[i>>8]&0x03);
i++;
} while (i != iMax);
if (iMax == 0)
return TRUE; /* Done */
else
return FALSE; /* In progress */
}
#if 0
/* Old 640-mode color tables for dithered color (with alternating tables
* used in alternating display columns); based on standard 640-mode palette.
*/
const unsigned char coltab640[] = {
/* bbgggrrr - incoming pixel data */
/* 00000 */ 0x00,0x00,0x00,0x44,0x44,0x44,0x44,0x44,
/* 00001 */ 0x00,0x00,0x00,0x44,0x44,0x44,0x44,0x66,
/* 00010 */ 0x00,0x00,0x22,0x22,0x22,0x22,0x66,0x66,
/* 00011 */ 0x88,0x88,0x22,0x22,0x22,0x22,0x66,0x66,
/* 00100 */ 0x88,0x88,0x22,0x22,0x22,0x22,0x66,0x66,
/* 00101 */ 0x88,0x88,0x88,0x22,0x22,0x22,0x66,0x66,
/* 00110 */ 0x88,0x88,0xAA,0xAA,0xAA,0xAA,0x66,0x66,
/* 00111 */ 0x88,0xAA,0xAA,0xAA,0xAA,0xAA,0xAA,0x66,
/* 01000 */ 0x11,0x11,0x11,0x44,0x44,0x44,0x44,0x44,
/* 01001 */ 0x11,0x11,0x11,0x55,0x55,0x55,0x55,0x77,
/* 01010 */ 0x11,0x11,0x22,0x22,0x22,0x22,0x77,0x77,
/* 01011 */ 0x99,0x99,0x22,0x22,0x22,0x22,0x77,0x77,
/* 01100 */ 0x99,0x99,0x22,0x22,0x22,0x22,0x77,0x77,
/* 01101 */ 0x99,0x99,0x22,0x22,0x22,0x22,0x77,0x77,
/* 01110 */ 0x99,0x99,0xBB,0xBB,0xBB,0xBB,0xEE,0xEE,
/* 01111 */ 0x99,0xBB,0xBB,0xBB,0xBB,0xBB,0xEE,0xEE,
/* 10000 */ 0x11,0x11,0x55,0x55,0x55,0x55,0x55,0x55,
/* 10001 */ 0x11,0x11,0x55,0x55,0x55,0x55,0x55,0x77,
/* 10010 */ 0x11,0x11,0x33,0x33,0x55,0x55,0x77,0x77,
/* 10011 */ 0x99,0x99,0x33,0x33,0x33,0x33,0x77,0x77,
/* 10100 */ 0x99,0x99,0x33,0x33,0x33,0x33,0x77,0x77,
/* 10101 */ 0x99,0x99,0x99,0x33,0x33,0x33,0x77,0x77,
/* 10110 */ 0x99,0x99,0xBB,0xBB,0xBB,0xBB,0xEE,0xEE,
/* 10111 */ 0x99,0x99,0xBB,0xBB,0xBB,0xBB,0xEE,0xEE,
/* 11000 */ 0x11,0x11,0x55,0x55,0x55,0x55,0x55,0x55,
/* 11001 */ 0x11,0x11,0x55,0x55,0x55,0x55,0x55,0x55,
/* 11010 */ 0x99,0x99,0xDD,0xDD,0xDD,0xDD,0xDD,0xDD,
/* 11011 */ 0x99,0x99,0xDD,0xDD,0xDD,0xDD,0xDD,0xDD,
/* 11100 */ 0x99,0x99,0xDD,0xDD,0xDD,0xDD,0xDD,0xFF,
/* 11101 */ 0x99,0x99,0xDD,0xDD,0xDD,0xDD,0xFF,0xFF,
/* 11110 */ 0x99,0x99,0xDD,0xDD,0xDD,0xFF,0xFF,0xFF,
/* 11111 */ 0x99,0x99,0xDD,0xDD,0xFF,0xFF,0xFF,0xFF
};
const unsigned char coltab640alt[] = {
/* bbgggrrr - incoming pixel data */
/* 00000 */ 0x00,0x00,0x00,0x11,0x11,0x11,0x11,0x11,
/* 00001 */ 0x00,0x00,0x00,0x11,0x11,0x11,0x11,0x99,
/* 00010 */ 0x00,0x00,0x88,0x88,0x88,0x88,0x99,0x99,
/* 00011 */ 0x22,0x22,0x88,0x88,0x88,0x88,0x99,0x99,
/* 00100 */ 0x22,0x22,0x88,0x88,0x88,0x88,0x99,0x99,
/* 00101 */ 0x22,0x22,0x22,0x88,0x88,0x88,0x99,0x99,
/* 00110 */ 0x22,0x22,0xAA,0xAA,0xAA,0xAA,0x99,0x99,
/* 00111 */ 0x22,0xAA,0xAA,0xAA,0xAA,0xAA,0xAA,0x99,
/* 01000 */ 0x44,0x44,0x44,0x11,0x11,0x11,0x11,0x11,
/* 01001 */ 0x44,0x44,0x44,0x55,0x55,0x55,0x55,0xDD,
/* 01010 */ 0x44,0x44,0x88,0x88,0x88,0x88,0xDD,0xDD,
/* 01011 */ 0x66,0x66,0x88,0x88,0x88,0x88,0xDD,0xDD,
/* 01100 */ 0x66,0x66,0x88,0x88,0x88,0x88,0xDD,0xDD,
/* 01101 */ 0x66,0x66,0x88,0x88,0x88,0x88,0xDD,0xDD,
/* 01110 */ 0x66,0x66,0xEE,0xEE,0xEE,0xEE,0xBB,0xBB,
/* 01111 */ 0x66,0xEE,0xEE,0xEE,0xEE,0xEE,0xBB,0xBB,
/* 10000 */ 0x44,0x44,0x55,0x55,0x55,0x55,0x55,0x55,
/* 10001 */ 0x44,0x44,0x55,0x55,0x55,0x55,0x55,0xDD,
/* 10010 */ 0x44,0x44,0xCC,0xCC,0x55,0x55,0xDD,0xDD,
/* 10011 */ 0x66,0x66,0xCC,0xCC,0xCC,0xCC,0xDD,0xDD,
/* 10100 */ 0x66,0x66,0xCC,0xCC,0xCC,0xCC,0xDD,0xDD,
/* 10101 */ 0x66,0x66,0x66,0xCC,0xCC,0xCC,0xDD,0xDD,
/* 10110 */ 0x66,0x66,0xEE,0xEE,0xEE,0xEE,0xBB,0xBB,
/* 10111 */ 0x66,0x66,0xEE,0xEE,0xEE,0xEE,0xBB,0xBB,
/* 11000 */ 0x44,0x44,0x55,0x55,0x55,0x55,0x55,0x55,
/* 11001 */ 0x44,0x44,0x55,0x55,0x55,0x55,0x55,0x55,
/* 11010 */ 0x66,0x66,0x77,0x77,0x77,0x77,0x77,0x77,
/* 11011 */ 0x66,0x66,0x77,0x77,0x77,0x77,0x77,0x77,
/* 11100 */ 0x66,0x66,0x77,0x77,0x77,0x77,0x77,0xFF,
/* 11101 */ 0x66,0x66,0x77,0x77,0x77,0x77,0xFF,0xFF,
/* 11110 */ 0x66,0x66,0x77,0x77,0x77,0xFF,0xFF,0xFF,
/* 11111 */ 0x66,0x66,0x77,0x77,0xFF,0xFF,0xFF,0xFF
};
#endif /* 0 */
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