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Annotation of hatari/src/falcon/hostscreen.c, revision 1.1

1.1     ! root        1: /*
        !             2:   Hatari - hostscreen.c
        !             3: 
        !             4:   This file is distributed under the GNU Public License, version 2 or at
        !             5:   your option any later version. Read the file gpl.txt for details.
        !             6: 
        !             7:   Host video routines. This file originally came from the Aranym project but
        !             8:   has been thoroughly reworked for Hatari. However, integration with the rest
        !             9:   of the Hatari source code is still bad and needs a lot of improvement...
        !            10: */
        !            11: const char HostScreen_rcsid[] = "Hatari $Id: hostscreen.c,v 1.13 2007/04/04 15:23:58 thothy Exp $";
        !            12: 
        !            13: #include "main.h"
        !            14: #include "configuration.h"
        !            15: #include "sysdeps.h"
        !            16: #include "stMemory.h"
        !            17: #include "ioMem.h"
        !            18: #include "hostscreen.h"
        !            19: #include "screen.h"
        !            20: 
        !            21: #define VIDEL_DEBUG 0
        !            22: 
        !            23: #if VIDEL_DEBUG
        !            24: #define Dprintf(a) printf a
        !            25: #else
        !            26: #define Dprintf(a)
        !            27: #endif
        !            28: 
        !            29: 
        !            30: #define RGB_BLACK     0x00000000
        !            31: #define RGB_BLUE      0x000000ff
        !            32: #define RGB_GREEN     0x00ff0000
        !            33: #define RGB_CYAN      0x00ff00ff
        !            34: #define RGB_RED       0xff000000
        !            35: #define RGB_MAGENTA   0xff0000ff
        !            36: #define RGB_LTGRAY    0xbbbb00bb
        !            37: #define RGB_GRAY      0x88880088
        !            38: #define RGB_LTBLUE    0x000000aa
        !            39: #define RGB_LTGREEN   0x00aa0000
        !            40: #define RGB_LTCYAN    0x00aa00aa
        !            41: #define RGB_LTRED     0xaa000000
        !            42: #define RGB_LTMAGENTA 0xaa0000aa
        !            43: #define RGB_YELLOW    0xffff0000
        !            44: #define RGB_LTYELLOW  0xaaaa0000
        !            45: #define RGB_WHITE     0xffff00ff
        !            46: 
        !            47: 
        !            48: static SDL_Surface *mainSurface;        // The main window surface
        !            49: static SDL_Surface *surf;               // pointer to actual surface
        !            50: 
        !            51: 
        !            52: static SDL_mutex   *screenLock;
        !            53: static uint32 sdl_videoparams;
        !            54: static uint32 hs_width, hs_height, hs_bpp;
        !            55: static BOOL   doUpdate; // the HW surface is available -> the SDL need not to update the surface after ->pixel access
        !            56: 
        !            57: static struct { // TOS palette (bpp < 16) to SDL color mapping
        !            58:        SDL_Color       standard[256];
        !            59:        uint32          native[256];
        !            60: } palette;
        !            61: 
        !            62: 
        !            63: static const unsigned long default_palette[] = {
        !            64:     RGB_WHITE, RGB_RED, RGB_GREEN, RGB_YELLOW,
        !            65:     RGB_BLUE, RGB_MAGENTA, RGB_CYAN, RGB_LTGRAY,
        !            66:     RGB_GRAY, RGB_LTRED, RGB_LTGREEN, RGB_LTYELLOW,
        !            67:     RGB_LTBLUE, RGB_LTMAGENTA, RGB_LTCYAN, RGB_BLACK
        !            68: };
        !            69: 
        !            70: static int HostScreen_selectVideoMode(SDL_Rect **modes, uint32 *width, uint32 *height);
        !            71: static void HostScreen_searchVideoMode( uint32 *width, uint32 *height, uint32 *bpp );
        !            72: 
        !            73: 
        !            74: void HostScreen_Init(void) {
        !            75:        int i;
        !            76:        for(i=0; i<256; i++) {
        !            77:                unsigned long color = default_palette[i%16];
        !            78:                palette.standard[i].r = color >> 24;
        !            79:                palette.standard[i].g = (color >> 16) & 0xff;
        !            80:                palette.standard[i].b = color & 0xff;
        !            81:        }
        !            82: 
        !            83:        screenLock = SDL_CreateMutex();
        !            84: 
        !            85:        mainSurface=NULL;
        !            86: }
        !            87: 
        !            88: void HostScreen_UnInit(void) {
        !            89:        SDL_DestroyMutex(screenLock);
        !            90: }
        !            91: 
        !            92: 
        !            93: void HostScreen_toggleFullScreen(void)
        !            94: {
        !            95:        sdl_videoparams ^= SDL_FULLSCREEN;
        !            96:        if(SDL_WM_ToggleFullScreen(mainSurface) == 0) {
        !            97:                // SDL_WM_ToggleFullScreen() did not work.
        !            98:                // We have to change video mode "by hand".
        !            99:                SDL_Surface *temp = SDL_ConvertSurface(mainSurface, mainSurface->format,
        !           100:                                                       mainSurface->flags);
        !           101:                Dprintf(("toggleFullScreen: SDL_WM_ToggleFullScreen() not supported"
        !           102:                         " -> using SDL_SetVideoMode()"));
        !           103:                if (temp == NULL)
        !           104:                        bug("toggleFullScreen: Unable to save screen content.");
        !           105: 
        !           106: #if 1
        !           107:                HostScreen_setWindowSize(hs_width, hs_height, hs_bpp);
        !           108: #else
        !           109:                mainSurface = SDL_SetVideoMode(width, height, bpp, sdl_videoparams);
        !           110:                if (mainSurface == NULL)
        !           111:                        bug("toggleFullScreen: Unable to set new video mode.");
        !           112:                if (mainSurface->format->BitsPerPixel <= 8)
        !           113:                        SDL_SetColors(mainSurface, temp->format->palette->colors, 0,
        !           114:                                      temp->format->palette->ncolors);
        !           115: #endif
        !           116: 
        !           117:                if (SDL_BlitSurface(temp, NULL, mainSurface, NULL) != 0)
        !           118:                        bug("toggleFullScreen: Unable to restore screen content.");
        !           119:                SDL_FreeSurface(temp);
        !           120: 
        !           121:                /* refresh the screen */
        !           122:                HostScreen_update1(TRUE);
        !           123:        }
        !           124: }
        !           125: 
        !           126: static int HostScreen_selectVideoMode(SDL_Rect **modes, uint32 *width, uint32 *height)
        !           127: {
        !           128:        int i, bestw, besth;
        !           129: 
        !           130:        /* Search the smallest nearest mode */
        !           131:        bestw = modes[0]->w;
        !           132:        besth = modes[0]->h;
        !           133:        for (i=0;modes[i]; ++i) {
        !           134:                if ((modes[i]->w >= *width) && (modes[i]->h >= *height)) {
        !           135:                        if ((modes[i]->w < bestw) || (modes[i]->h < besth)) {
        !           136:                                bestw = modes[i]->w;
        !           137:                                besth = modes[i]->h;
        !           138:                        }                       
        !           139:                }
        !           140:        }
        !           141: 
        !           142:        *width = bestw;
        !           143:        *height = besth;
        !           144:        Dprintf(("hostscreen: video mode found: %dx%d\n",*width,*height));
        !           145: 
        !           146:        return 1;
        !           147: }
        !           148: 
        !           149: static void HostScreen_searchVideoMode( uint32 *width, uint32 *height, uint32 *bpp )
        !           150: {
        !           151:        SDL_Rect **modes;
        !           152:        SDL_PixelFormat pixelformat;
        !           153:        int modeflags;
        !           154: 
        !           155:        /* Search in available modes the best suited */
        !           156:        Dprintf(("hostscreen: video mode asked: %dx%dx%d\n",*width,*height,*bpp));
        !           157: 
        !           158:        if ((*width == 0) || (*height == 0)) {
        !           159:                *width = 640;
        !           160:                *height = 480;
        !           161:        }
        !           162: 
        !           163:        /* Read available video modes */
        !           164:        modeflags = 0 /*SDL_HWSURFACE | SDL_HWPALETTE*/;
        !           165:        if (bInFullScreen)
        !           166:                modeflags |= SDL_FULLSCREEN;
        !           167: 
        !           168:        /*--- Search a video mode with asked bpp ---*/
        !           169:        if (*bpp != 0) {
        !           170:                pixelformat.BitsPerPixel = *bpp;
        !           171:                modes = SDL_ListModes(&pixelformat, modeflags);
        !           172:                if ((modes != (SDL_Rect **) 0) && (modes != (SDL_Rect **) -1)) {
        !           173:                        Dprintf(("hostscreen: searching a good video mode (any bpp)\n"));
        !           174:                        if (HostScreen_selectVideoMode(modes,width,height)) {
        !           175:                                Dprintf(("hostscreen: video mode selected: %dx%dx%d\n",*width,*height,*bpp));
        !           176:                                return;
        !           177:                        }
        !           178:                }
        !           179:        }
        !           180: 
        !           181:        /*--- Search a video mode with any bpp ---*/
        !           182:        modes = SDL_ListModes(NULL, modeflags);
        !           183:        if ((modes != (SDL_Rect **) 0) && (modes != (SDL_Rect **) -1)) {
        !           184:                Dprintf(("hostscreen: searching a good video mode\n"));
        !           185:                if (HostScreen_selectVideoMode(modes,width,height)) {
        !           186:                        Dprintf(("hostscreen: video mode selected: %dx%dx%d\n",*width,*height,*bpp));
        !           187:                        return;
        !           188:                }
        !           189:        }
        !           190: 
        !           191:        if (modes == (SDL_Rect **) 0) {
        !           192:                Dprintf(("hostscreen: No modes available\n"));
        !           193:        }
        !           194: 
        !           195:        if (modes == (SDL_Rect **) -1) {
        !           196:                /* Any mode available */
        !           197:                Dprintf(("hostscreen: Any modes available\n"));
        !           198:        }
        !           199: 
        !           200:        Dprintf(("hostscreen: video mode selected: %dx%dx%d\n",*width,*height,*bpp));
        !           201: }
        !           202: 
        !           203: void HostScreen_setWindowSize( uint32 width, uint32 height, uint32 bpp )
        !           204: {
        !           205:        nScreenZoomX = 1;
        !           206:        nScreenZoomY = 1;
        !           207:        if (ConfigureParams.Screen.bZoomLowRes)
        !           208:        {
        !           209:                /* Ugly: 400x300 threshold is currently hard-coded. */
        !           210:                /* Should rather be selectable by the user! */  
        !           211:                if (width <= 400)
        !           212:                {
        !           213:                        nScreenZoomX = (800/width);
        !           214:                        width *= nScreenZoomX; 
        !           215:                }
        !           216:                if (height <= 300)
        !           217:                {
        !           218:                        nScreenZoomY = (550/height);
        !           219:                        height *= nScreenZoomY;
        !           220:                }
        !           221:        }
        !           222: 
        !           223:        // Select a correct video mode
        !           224:        HostScreen_searchVideoMode(&width, &height, &bpp);      
        !           225: 
        !           226:        hs_width         = width;
        !           227:        hs_height = height;
        !           228:        hs_bpp = bpp;
        !           229: 
        !           230:        // SelectVideoMode();
        !           231:        if (bInFullScreen)
        !           232:                sdl_videoparams = SDL_SWSURFACE|SDL_HWPALETTE|SDL_FULLSCREEN;
        !           233:        else
        !           234:                sdl_videoparams = SDL_SWSURFACE|SDL_HWPALETTE;
        !           235: 
        !           236:        mainSurface = SDL_SetVideoMode(width, height, bpp, sdl_videoparams);
        !           237: 
        !           238:        sdlscrn = surf = mainSurface;
        !           239: 
        !           240:        // update the surface's palette
        !           241:        HostScreen_updatePalette( 256 );
        !           242: 
        !           243:        Dprintf(("Surface Pitch = %d, width = %d, height = %d\n", surf->pitch, surf->w, surf->h));
        !           244:        Dprintf(("Must Lock? %s\n", SDL_MUSTLOCK(surf) ? "YES" : "NO"));
        !           245: 
        !           246:        // is the SDL_update needed?
        !           247:        doUpdate = ( surf->flags & SDL_HWSURFACE ) == 0;
        !           248: 
        !           249:        HostScreen_renderBegin();
        !           250: 
        !           251: //     VideoRAMBaseHost = (uint8 *) surf->pixels;
        !           252: //     InitVMEMBaseDiff(VideoRAMBaseHost, VideoRAMBase);
        !           253: //     Dprintf(("VideoRAM starts at %p (%08x)\n", VideoRAMBaseHost, VideoRAMBase));
        !           254:        Dprintf(("surf->pixels = %p, getVideoSurface() = %p\n",
        !           255:                        surf->pixels, SDL_GetVideoSurface()->pixels));
        !           256: 
        !           257:        HostScreen_renderEnd();
        !           258: 
        !           259:        Dprintf(("Pixel format:bitspp=%d, tmasks r=%04x g=%04x b=%04x"
        !           260:                        ", tshifts r=%d g=%d b=%d"
        !           261:                        ", tlosses r=%d g=%d b=%d\n",
        !           262:                        surf->format->BitsPerPixel,
        !           263:                        surf->format->Rmask, surf->format->Gmask, surf->format->Bmask,
        !           264:                        surf->format->Rshift, surf->format->Gshift, surf->format->Bshift,
        !           265:                        surf->format->Rloss, surf->format->Gloss, surf->format->Bloss));
        !           266: }
        !           267: 
        !           268: 
        !           269: static void HostScreen_update5( int32 x, int32 y, int32 w, int32 h, BOOL forced )
        !           270: {
        !           271:        if ( !forced && !doUpdate ) // the HW surface is available
        !           272:                return;
        !           273: 
        !           274:        //      SDL_UpdateRect(SDL_GetVideoSurface(), 0, 0, width, height);
        !           275:        // SDL_UpdateRect(surf, x, y, w, h);
        !           276:        SDL_UpdateRect(mainSurface, x, y, w, h);
        !           277: }
        !           278: 
        !           279: void HostScreen_update1( BOOL forced )
        !           280: {
        !           281:        HostScreen_update5( 0, 0, hs_width, hs_height, forced );
        !           282: }
        !           283: 
        !           284: void HostScreen_update0()
        !           285: {
        !           286:        HostScreen_update5( 0, 0, hs_width, hs_height, FALSE );
        !           287: }
        !           288: 
        !           289: 
        !           290: uint32 HostScreen_getBitsPerPixel(void)
        !           291: {
        !           292:        return surf->format->BitsPerPixel;
        !           293: }
        !           294: 
        !           295: 
        !           296: #if 0
        !           297: void HostScreen_gfxFastPixelColorNolock(int16 x, int16 y, uint32 color)
        !           298: {
        !           299:        int bpp;
        !           300:        uint8 *p;
        !           301: 
        !           302:        /* Get destination format */
        !           303:        bpp = surf->format->BytesPerPixel;
        !           304:        p = (uint8 *)surf->pixels + y * surf->pitch + x * bpp;
        !           305:        switch(bpp) {
        !           306:                case 1:
        !           307:                        *p = color;
        !           308:                        break;
        !           309:                case 2:
        !           310:                        *(uint16 *)p = color;
        !           311:                        break;
        !           312:                case 3:
        !           313:                        putBpp24Pixel( p, color );
        !           314:                        break;
        !           315:                case 4:
        !           316:                        *(uint32 *)p = color;
        !           317:                        break;
        !           318:        } /* switch */
        !           319: }
        !           320: #endif
        !           321: 
        !           322: #if 0
        !           323: uint32 HostScreen_gfxGetPixel( int16 x, int16 y )
        !           324: {
        !           325:        int bpp;
        !           326:        uint8 *p;
        !           327: 
        !           328:        /* Get destination format */
        !           329:        bpp = surf->format->BytesPerPixel;
        !           330:        p = (uint8 *)surf->pixels + y * surf->pitch + x * bpp;
        !           331:        switch(bpp) {
        !           332:                case 1:
        !           333:                        return (uint32)(*(uint8 *)p);
        !           334:                case 2:
        !           335:                        return (uint32)(*(uint16 *)p);
        !           336:                case 3:
        !           337:                        // FIXME maybe some & problems? and endian
        !           338:                        return getBpp24Pixel( p );
        !           339:                case 4:
        !           340:                        return *(uint32 *)p;
        !           341:        } /* switch */
        !           342:        return 0;       // should never happen
        !           343: }
        !           344: #endif
        !           345: 
        !           346: uint32 HostScreen_getBpp()
        !           347: {
        !           348:        return surf->format->BytesPerPixel;
        !           349: }
        !           350: 
        !           351: uint32 HostScreen_getPitch() {
        !           352:        return surf->pitch;
        !           353: }
        !           354: 
        !           355: uint32 HostScreen_getWidth() {
        !           356:        return hs_width;
        !           357: }
        !           358: 
        !           359: uint32 HostScreen_getHeight() {
        !           360:        return hs_height;
        !           361: }
        !           362: 
        !           363: uint8 *HostScreen_getVideoramAddress() {
        !           364:        return surf->pixels;    /* FIXME maybe this should be mainSurface? */
        !           365: }
        !           366: 
        !           367: void HostScreen_setPaletteColor( uint8 idx, uint32 red, uint32 green, uint32 blue ) {
        !           368:        // set the SDL standard RGB palette settings
        !           369:        palette.standard[idx].r = red;
        !           370:        palette.standard[idx].g = green;
        !           371:        palette.standard[idx].b = blue;
        !           372:        // convert the color to native
        !           373:        palette.native[idx] = SDL_MapRGB( surf->format, red, green, blue );
        !           374: }
        !           375: 
        !           376: uint32 HostScreen_getPaletteColor( uint8 idx ) {
        !           377:        return palette.native[idx];
        !           378: }
        !           379: 
        !           380: void HostScreen_updatePalette( uint16 colorCount ) {
        !           381:        SDL_SetColors( surf, palette.standard, 0, colorCount );
        !           382: }
        !           383: 
        !           384: uint32 HostScreen_getColor( uint32 red, uint32 green, uint32 blue ) {
        !           385:        return SDL_MapRGB( surf->format, red, green, blue );
        !           386: }
        !           387: 
        !           388: #if 0
        !           389: void HostScreen_lock(void) {
        !           390:        while (SDL_mutexP(screenLock)==-1) {
        !           391:                SDL_Delay(20);
        !           392:                fprintf(stderr, "Couldn't lock mutex\n");
        !           393:        }
        !           394: }
        !           395: 
        !           396: void HostScreen_unlock(void) {
        !           397:        while (SDL_mutexV(screenLock)==-1) {
        !           398:                SDL_Delay(20);
        !           399:                fprintf(stderr, "Couldn't unlock mutex\n");
        !           400:        }
        !           401: }
        !           402: #endif
        !           403: 
        !           404: BOOL HostScreen_renderBegin(void) {
        !           405:        if (SDL_MUSTLOCK(surf))
        !           406:                if (SDL_LockSurface(surf) < 0) {
        !           407:                        printf("Couldn't lock surface to refresh!\n");
        !           408:                        return FALSE;
        !           409:                }
        !           410: 
        !           411:        return TRUE;
        !           412: }
        !           413: 
        !           414: void HostScreen_renderEnd() {
        !           415:        if (SDL_MUSTLOCK(surf))
        !           416:                SDL_UnlockSurface(surf);
        !           417: }
        !           418: 
        !           419: 
        !           420: 
        !           421: /**
        !           422:  * Performs conversion from the TOS's bitplane word order (big endian) data
        !           423:  * into the native chunky color index.
        !           424:  */
        !           425: void HostScreen_bitplaneToChunky( uint16 *atariBitplaneData, uint16 bpp, uint8 colorValues[16] )
        !           426: {
        !           427:        uint32 a, b, c, d, x;
        !           428: 
        !           429:        /* Obviously the different cases can be broken out in various
        !           430:         * ways to lessen the amount of work needed for <8 bit modes.
        !           431:         * It's doubtful if the usage of those modes warrants it, though.
        !           432:         * The branches below should be ~100% correctly predicted and
        !           433:         * thus be more or less for free.
        !           434:         * Getting the palette values inline does not seem to help
        !           435:         * enough to worry about. The palette lookup is much slower than
        !           436:         * this code, though, so it would be nice to do something about it.
        !           437:         */
        !           438:        if (bpp >= 4) {
        !           439:                d = *(uint32 *)&atariBitplaneData[0];
        !           440:                c = *(uint32 *)&atariBitplaneData[2];
        !           441:                if (bpp == 4) {
        !           442:                        a = b = 0;
        !           443:                } else {
        !           444:                        b = *(uint32 *)&atariBitplaneData[4];
        !           445:                        a = *(uint32 *)&atariBitplaneData[6];
        !           446:                }
        !           447:        } else {
        !           448:                a = b = c = 0;
        !           449:                if (bpp == 2) {
        !           450:                        d = *(uint32 *)&atariBitplaneData[0];
        !           451:                } else {
        !           452: #if SDL_BYTEORDER == SDL_BIG_ENDIAN
        !           453:                        d = atariBitplaneData[0]<<16;
        !           454: #else
        !           455:                        d = atariBitplaneData[0];
        !           456: #endif
        !           457:                }
        !           458:        }
        !           459: 
        !           460:        x = a;
        !           461:        a =  (a & 0xf0f0f0f0)       | ((c & 0xf0f0f0f0) >> 4);
        !           462:        c = ((x & 0x0f0f0f0f) << 4) |  (c & 0x0f0f0f0f);
        !           463:        x = b;
        !           464:        b =  (b & 0xf0f0f0f0)       | ((d & 0xf0f0f0f0) >> 4);
        !           465:        d = ((x & 0x0f0f0f0f) << 4) |  (d & 0x0f0f0f0f);
        !           466: 
        !           467:        x = a;
        !           468:        a =  (a & 0xcccccccc)       | ((b & 0xcccccccc) >> 2);
        !           469:        b = ((x & 0x33333333) << 2) |  (b & 0x33333333);
        !           470:        x = c;
        !           471:        c =  (c & 0xcccccccc)       | ((d & 0xcccccccc) >> 2);
        !           472:        d = ((x & 0x33333333) << 2) |  (d & 0x33333333);
        !           473: 
        !           474: #if SDL_BYTEORDER == SDL_BIG_ENDIAN
        !           475:        a = (a & 0x5555aaaa) | ((a & 0x00005555) << 17) | ((a & 0xaaaa0000) >> 17);
        !           476:        b = (b & 0x5555aaaa) | ((b & 0x00005555) << 17) | ((b & 0xaaaa0000) >> 17);
        !           477:        c = (c & 0x5555aaaa) | ((c & 0x00005555) << 17) | ((c & 0xaaaa0000) >> 17);
        !           478:        d = (d & 0x5555aaaa) | ((d & 0x00005555) << 17) | ((d & 0xaaaa0000) >> 17);
        !           479:        
        !           480:        colorValues[ 8] = a;
        !           481:        a >>= 8;
        !           482:        colorValues[ 0] = a;
        !           483:        a >>= 8;
        !           484:        colorValues[ 9] = a;
        !           485:        a >>= 8;
        !           486:        colorValues[ 1] = a;
        !           487:        
        !           488:        colorValues[10] = b;
        !           489:        b >>= 8;
        !           490:        colorValues[ 2] = b;
        !           491:        b >>= 8;
        !           492:        colorValues[11] = b;
        !           493:        b >>= 8;
        !           494:        colorValues[ 3] = b;
        !           495:        
        !           496:        colorValues[12] = c;
        !           497:        c >>= 8;
        !           498:        colorValues[ 4] = c;
        !           499:        c >>= 8;
        !           500:        colorValues[13] = c;
        !           501:        c >>= 8;
        !           502:        colorValues[ 5] = c;
        !           503:        
        !           504:        colorValues[14] = d;
        !           505:        d >>= 8;
        !           506:        colorValues[ 6] = d;
        !           507:        d >>= 8;
        !           508:        colorValues[15] = d;
        !           509:        d >>= 8;
        !           510:        colorValues[ 7] = d;
        !           511: #else
        !           512:        a = (a & 0xaaaa5555) | ((a & 0x0000aaaa) << 15) | ((a & 0x55550000) >> 15);
        !           513:        b = (b & 0xaaaa5555) | ((b & 0x0000aaaa) << 15) | ((b & 0x55550000) >> 15);
        !           514:        c = (c & 0xaaaa5555) | ((c & 0x0000aaaa) << 15) | ((c & 0x55550000) >> 15);
        !           515:        d = (d & 0xaaaa5555) | ((d & 0x0000aaaa) << 15) | ((d & 0x55550000) >> 15);
        !           516: 
        !           517:        colorValues[ 1] = a;
        !           518:        a >>= 8;
        !           519:        colorValues[ 9] = a;
        !           520:        a >>= 8;
        !           521:        colorValues[ 0] = a;
        !           522:        a >>= 8;
        !           523:        colorValues[ 8] = a;
        !           524: 
        !           525:        colorValues[ 3] = b;
        !           526:        b >>= 8;
        !           527:        colorValues[11] = b;
        !           528:        b >>= 8;
        !           529:        colorValues[ 2] = b;
        !           530:        b >>= 8;
        !           531:        colorValues[10] = b;
        !           532: 
        !           533:        colorValues[ 5] = c;
        !           534:        c >>= 8;
        !           535:        colorValues[13] = c;
        !           536:        c >>= 8;
        !           537:        colorValues[ 4] = c;
        !           538:        c >>= 8;
        !           539:        colorValues[12] = c;
        !           540: 
        !           541:        colorValues[ 7] = d;
        !           542:        d >>= 8;
        !           543:        colorValues[15] = d;
        !           544:        d >>= 8;
        !           545:        colorValues[ 6] = d;
        !           546:        d >>= 8;
        !           547:        colorValues[14] = d;
        !           548: #endif
        !           549: }

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