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- String FX[] = {
- "ASDFPIXELSORT",
- "DISTORTER",
- "FM",
- "WZIP",
- "AUECHO",
- "SLITSCAN",
- "WAHWAH",
- "PHASER",
- "ECHO",
- "DARKER",
- "BRIGHTER",
- "AMPLIFY",
- "POSTER",
- "DUAL",
- "GRAUZONE",
- "COPYZOOM",
- "SUBTLESORT",
- "SCANKER",
- "MASK",
- "DRAWSTROKES",
- "DRAWGENERATIVE",
- "PIXELDRIFTER",
- "DRIPDRIP",
- "WRONGQSORT",
- "VHS",
- "LZ7",
- "LENS",
- "SLICER",
- "STREAKER",
- "SEGMENTER",
- "COLORCRUSHER",
- "JPGCORRUPTION",
- "WEBPCORRUPTION",
- "SOXALLPASS",
- "SOXBAND",
- "SOXBANDPASS",
- "SOXBANDREJECT",
- "SOXBASS",
- "SOXBEND",
- "SOXBIQUAD",
- "SOXCHORUS",
- "SOXCHANNELS",
- "SOXCOMPAND",
- "SOXCONTRAST",
- "SOXDCSHIFT",
- "SOXDEEMPH",
- "SOXDELAY",
- "SOXDITHER",
- "SOXDIVIDE",
- "SOXDOWNSAMPLE",
- "SOXEARWAX",
- "SOXECHO",
- "SOXECHOS",
- "SOXEQUALIZER",
- "SOXFADE",
- "SOXFIR",
- "SOXFIRFIT",
- "SOXFLANGER",
- "SOXGAIN",
- "SOXHIGHPASS",
- "SOXHILBERT",
- "SOXINPUT",
- "SOXLOUDNESS",
- "SOXLOWPASS",
- "SOXMCOMPAND",
- "SOXNOISEPROF",
- "SOXNOISERED",
- "SOXNORM",
- "SOXOOPS",
- "SOXOUTPUT",
- "SOXOVERDRIVE",
- "SOXPAD",
- "SOXPHASER",
- "SOXPITCH",
- "SOXRATE",
- "SOXREMIX",
- "SOXREPEAT",
- "SOXREVERB",
- "SOXREVERSE",
- "SOXRIAA",
- "SOXSILENCE",
- "SOXSINC",
- "SOXSPECTOGRAM",
- "SOXSPEED",
- "SOXSPLICE",
- "SOXSTAT",
- "SOXSTATS",
- "SOXSTRETCH",
- "SOXSWAP",
- "SOXSYNTH",
- "SOXTEMPO",
- "SOXTREBLE",
- "SOXTREMOLO",
- "SOXTRIM",
- "SOXUPSAMPLE",
- "SOXVAD",
- "SOXVOL"
- };
-
-
- //parameter return values
- final static int INTVAL = 100;
- final static int FLOATVAL = 101;
-
- //general parameters
- final static int DIRECTION = 201;
-
- final int[] blends = {ADD, SUBTRACT, DARKEST, LIGHTEST, DIFFERENCE, EXCLUSION, MULTIPLY, SCREEN, OVERLAY, HARD_LIGHT, SOFT_LIGHT, DODGE, BURN};
-
- //waveforms for oscillator
- final static int SINE = 0; //add 0.25 to phase to get cos
- final static int SAWTOOTH = 1;
- final static int SAWTOOTHINVERSE = 2;
- final static int SQUAR = 3; //switches between -1 and 1, that's all
- final static int TRIANG = 4;
- final static int TAN = 5;
- final static int TANINVERSE = 6;
- final static int RAMP = 7; //line for half the sequence up to 1, then stay at 1 for the other half
- final static int RAMPINVERSE = 8; //line for half the sequence up to 1, then stay at 1 for the other half
- final static int RAMPUPDOWN = 9; //line up, stay, line down, stay
- final static int RANDOM = 10;
-
-
- // LENS TYPES for imagelens
- final static int LINEAR = 0;
- final static int POWER = 1;
- final static int POLAR = 2;
- final static int SINUSOIDAL = 3;
-
- // general channels to work with
- final static int RED = 0;
- final static int GREEN = 1;
- final static int BLUE = 2;
- final static int HUE = 3;
- final static int SATURATION = 4;
- final static int BRIGHTNESS = 5;
- final static int NRED = 6;
- final static int NGREEN = 7;
- final static int NBLUE = 8;
- final static int NHUE = 9;
- final static int NSATURATION = 10;
- final static int NBRIGHTNESS = 11;
-
-
-
- // FLAGS, ALGORITHMS and EASING mathod by sulej for ultimate sort
-
-
-
- //colorspaces from tomasz sulej's FM effect
-
- final static int COLORSPACES = 16;
-
- final static int OHTA = 0;
- // RGB == 1; defined in processing
- final static int CMY = 2;
- // HSB == 3; defined in processing
- final static int XYZ = 4;
- final static int YXY = 5;
- final static int HCL = 6;
- final static int LUV = 7;
- final static int LAB = 8;
- final static int HWB = 9;
- final static int RGGBG = 10;
- final static int YPbPr = 11;
- final static int YCbCr = 12;
- final static int YDbDr = 13;
- final static int GS = 14;
- final static int YUV = 15;
-
-
-
-
- // helper functions and classes
-
-
- // name
- String getColorspaceName(int cs) {
- switch(cs) {
- case OHTA:
- return "OHTA";
- case CMY:
- return "CMY";
- case XYZ:
- return "XYZ";
- case YXY:
- return "YXY";
- case HCL:
- return "HCL";
- case LUV:
- return "LUV";
- case LAB:
- return "LAB";
- case HWB:
- return "HWB";
- case HSB:
- return "HSB";
- case RGGBG:
- return "R-GGB-G";
- case YPbPr:
- return "YPbPr";
- case YCbCr:
- return "YCbCr";
- case YDbDr:
- return "YDbDr";
- case GS:
- return "Greyscale";
- case YUV:
- return "YUV";
- default:
- return "RGB";
- }
- }
-
- // colorspace converters
- color fromColorspace(color c, int cs) {
- switch(cs) {
- case OHTA:
- return fromOHTA(c);
- case CMY:
- return fromCMY(c);
- case XYZ:
- return fromXYZ(c);
- case YXY:
- return fromYXY(c);
- case HCL:
- return fromHCL(c);
- case LUV:
- return fromLUV(c);
- case LAB:
- return fromLAB(c);
- case HWB:
- return fromHWB(c);
- case HSB:
- return fromHSB(c);
- case RGGBG:
- return fromRGGBG(c);
- case YPbPr:
- return fromYPbPr(c);
- case YCbCr:
- return fromYCbCr(c);
- case YDbDr:
- return fromYDbDr(c);
- case GS:
- return tofromGS(c);
- case YUV:
- return fromYUV(c);
- default:
- return c;
- }
- }
-
- color toColorspace(color c, int cs) {
- switch(cs) {
- case OHTA:
- return toOHTA(c);
- case CMY:
- return toCMY(c);
- case XYZ:
- return toXYZ(c);
- case YXY:
- return toYXY(c);
- case HCL:
- return toHCL(c);
- case LUV:
- return toLUV(c);
- case LAB:
- return toLAB(c);
- case HWB:
- return toHWB(c);
- case HSB:
- return toHSB(c);
- case RGGBG:
- return toRGGBG(c);
- case YPbPr:
- return toYPbPr(c);
- case YCbCr:
- return toYCbCr(c);
- case YDbDr:
- return toYDbDr(c);
- case YUV:
- return toYUV(c);
- case GS:
- return tofromGS(c);
- default:
- return c;
- }
- }
-
- // Colorspace converters
-
- final int getR(color c) {
- return (c & 0xff0000) >> 16;
- }
- final int getG(color c) {
- return (c & 0xff00) >> 8;
- }
- final int getB(color c) {
- return c & 0xff;
- }
-
- final int getLuma(color c) {
- return constrain((int)(0.2126*getR(c)+0.7152*getG(c)+0.0722*getB(c)), 0, 255);
- }
-
- int getChannel(color c, int ch) {
- switch(ch) {
- case 0 :
- return getR(c);
- case 1 :
- return getG(c);
- case 2 :
- return getB(c);
- default:
- return 0;
- }
- }
-
- // normalized versions
- final float getNR(color c) {
- return r255[(c & 0xff0000) >> 16];
- }
- final float getNG(color c) {
- return r255[(c & 0xff00) >> 8];
- }
- final float getNB(color c) {
- return r255[c & 0xff];
- }
- final float getNLuma(color c) {
- return r255[getLuma(c)];
- }
-
- color blendRGB(color c, int r, int g, int b) {
- return (c & 0xff000000) | (constrain(r, 0, 255) << 16) | (constrain(g, 0, 255) << 8 ) | constrain(b, 0, 255);
- }
-
- color blendRGB(color c, float r, float g, float b) {
- return blendRGB(c, (int)(r*255), (int)(g*255), (int)(b*255));
- }
-
- /**************
- * Greyscale
- **************/
-
- color tofromGS(color c) {
- int l = getLuma(c);
- return blendRGB(c, l, l, l);
- }
-
- /**************
- * YUV
- **************/
-
- final static float Umax = 0.436 * 255.0;
- final static float Vmax = 0.615 * 255.0;
-
- color toYUV(color c) {
- int R = getR(c);
- int G = getG(c);
- int B = getB(c);
-
- int Y = (int)( 0.299*R+0.587*G+0.114*B);
- int U = (int)map(-0.14713*R-0.28886*G+0.436*B, -Umax, Umax, 0, 255);
- int V = (int)map(0.615*R-0.51499*G-0.10001*B, -Vmax, Vmax, 0, 255);
-
- return blendRGB(c, Y, U, V);
- }
-
- color fromYUV(color c) {
- int Y = getR(c);
- float U = map(getG(c), 0, 255, -Umax, Umax);
- float V = map(getB(c), 0, 255, -Vmax, Vmax);
-
- int R = (int)(Y + 1.13983*V);
- int G = (int)(Y - 0.39465*U - 0.58060*V);
- int B = (int)(Y + 2.03211*U);
-
- return blendRGB(c, R, G, B);
- }
-
- /**************
- * YDbDr
- **************/
-
- color toYDbDr(color c) {
- int R = getR(c);
- int G = getG(c);
- int B = getB(c);
-
- int Y = (int)( 0.299*R+0.587*G+0.114*B);
- int Db = (int)(127.5+(-0.450*R-0.883*G+1.333*B)/2.666);
- int Dr = (int)(127.5+(-1.333*R+1.116*G+0.217*B)/2.666);
-
- return blendRGB(c, Y, Db, Dr);
- }
-
- color fromYDbDr(color c) {
- int Y = getR(c);
- float Db = (getG(c)-127.5)*2.666;
- float Dr = (getB(c)-127.5)*2.666;
-
- int R = (int)(Y + 9.2303716147657e-05*Db-0.52591263066186533*Dr);
- int G = (int)(Y - 0.12913289889050927*Db+0.26789932820759876*Dr);
- int B = (int)(Y + 0.66467905997895482*Db-7.9202543533108e-05*Dr);
-
- return blendRGB(c, R, G, B);
- }
-
- /**************
- * YCbCr
- **************/
-
- color toYCbCr(color c) {
- int R = getR(c);
- int G = getG(c);
- int B = getB(c);
-
- int Y = (int)( 0.2988390*R+0.5868110*G+0.1143500*B);
- int Cb = (int)(-0.168736*R-0.3312640*G+0.5000000*B+127.5);
- int Cr = (int)( 0.5000000*R-0.4186880*G-0.0813120*B+127.5);
-
- return blendRGB(c, Y, Cb, Cr);
- }
-
- color fromYCbCr(color c) {
- int Y = getR(c);
- float Cb = getG(c) - 127.5;
- float Cr = getB(c) - 127.5;
-
- int R = (int)(Y + 1.402*Cr)+1; // some fix
- int G = (int)(Y-0.344136*Cb-0.714136*Cr);
- int B = (int)(Y+1.772000*Cb)+1; // some fix
-
- return blendRGB(c, R, G, B);
- }
-
- /**************
- * YPbPr
- **************/
-
- color toYPbPr(color c) {
- int R = getR(c);
- int B = getB(c);
-
- int Y = getLuma(c);
- int Pb = B - Y;
- int Pr = R - Y;
- if (Pb<0) Pb+=256;
- if (Pr<0) Pr+=256;
- return blendRGB(c, Y, Pb, Pr);
- }
-
- color fromYPbPr(color c) {
- int Y = getR(c);
- int B = getG(c) + Y;
- int R = getB(c) + Y;
- if (R>255) R-=256;
- if (B>255) B-=256;
-
- int G = (int)((Y-0.2126*R-0.0722*B)/0.7152);
-
- return blendRGB(c, R, G, B);
- }
-
-
- /**************
- * R-G,G,B-G
- **************/
-
- color toRGGBG(color c) {
- int G = getG(c);
- int R = getR(c)-G;
- int B = getB(c)-G;
- if (R<0) R+=256;
- if (B<0) B+=256;
- return blendRGB(c, R, G, B);
- }
-
- color fromRGGBG(color c) {
- int G = getG(c);
- int R = getR(c)+G;
- int B = getB(c)+G;
- if (R>255) R-=256;
- if (B>255) B-=256;
- return blendRGB(c, R, G, B);
- }
-
- /**************
- * HWB
- **************/
-
- color toHSB(color c) {
- int R = getR(c);
- int G = getG(c);
- int B = getB(c);
-
- int _min = min(R, G, B);
- int _max = max(R, G, B);
- float delta = _max-_min;
- float saturation = delta/_max;
- float brightness = r255[_max];
- if (delta == 0.0) return blendRGB(c, 0.0, saturation, brightness);
- float hue = 0;
- if (R == _max) hue = (G-B)/delta;
- else if (G == _max) hue = 2.0 + (B-R)/delta;
- else hue = 4.0 + (R-G)/delta;
- hue /= 6.0;
- if (hue < 0.0) hue += 1.0;
- return blendRGB(c, hue, saturation, brightness);
- }
-
- color fromHSB(color c) {
- float S = getNG(c);
- float B = getNB(c);
- if (S == 0.0) return blendRGB(c, B, B, B);
-
- float h = 6.0 * getNR(c);
- float f = h-floor(h);
- float p = B*(1.0-S);
- float q = B*(1.0-S*f);
- float t = B*(1.0-(S*(1.0-f)));
-
- float r, g, b;
- switch((int)h) {
- case 1:
- r=q;
- g=B;
- b=p;
- break;
- case 2:
- r=p;
- g=B;
- b=t;
- break;
- case 3:
- r=p;
- g=q;
- b=B;
- break;
- case 4:
- r=t;
- g=p;
- b=B;
- break;
- case 5:
- r=B;
- g=p;
- b=q;
- break;
- default:
- r=B;
- g=t;
- b=p;
- break;
- }
- return blendRGB(c, r, g, b);
- }
-
-
-
- /**************
- * HWB
- **************/
-
- color toHWB(color c) {
- int R = getR(c);
- int G = getG(c);
- int B = getB(c);
-
- int w = min(R, G, B);
- int v = max(R, G, B);
-
- int hue;
- if (v == w) hue = 255;
- else {
- float f = ((R == w) ? G-B : ((G == w) ? B-R : R-G));
- float p = (R == w) ? 3.0 : ((G == w) ? 5.0 : 1.0);
- hue = (int)map((p-f/(v-w))/6.0, 0, 1, 0, 254);
- }
- return blendRGB(c, hue, w, 255-v);
- }
-
- color fromHWB(color c) {
- int H = getR(c);
- int B = 255-getB(c);
- if (H == 255) return blendRGB(c, B, B, B);
- else {
- float hue = map(H, 0, 254, 0, 6);
- float v = r255[B];
- float whiteness = getNG(c);
- int i = (int)floor(hue);
- float f = hue-i;
- if ((i&0x01)!= 0) f=1.0-f;
- float n = whiteness+f*(v-whiteness);
- float r, g, b;
- switch(i) {
- case 1:
- r=n;
- g=v;
- b=whiteness;
- break;
- case 2:
- r=whiteness;
- g=v;
- b=n;
- break;
- case 3:
- r=whiteness;
- g=n;
- b=v;
- break;
- case 4:
- r=n;
- g=whiteness;
- b=v;
- break;
- case 5:
- r=v;
- g=whiteness;
- b=n;
- break;
- default:
- r=v;
- g=n;
- b=whiteness;
- break;
- }
- return blendRGB(c, r, g, b);
- }
- }
-
- /**************
- * Lab
- **************/
-
- final static float D65X=0.950456;
- final static float D65Y=1.0;
- final static float D65Z=1.088754;
- final static float CIEEpsilon=(216.0/24389.0);
- final static float CIEK=(24389.0/27.0);
- final static float CIEK2epsilon = CIEK * CIEEpsilon;
- final static float D65FX_4 = 4.0*D65X/(D65X+15.0*D65Y+3.0*D65Z);
- final static float D65FY_9 = 9.0*D65Y/(D65X+15.0*D65Y+3.0*D65Z);
- final static float RANGE_X = 100.0 * (0.4124+0.3576+0.1805);
- final static float RANGE_Y = 100.0;
- final static float RANGE_Z = 100.0 * (0.0193+0.1192+0.9505);
- final static float mepsilon = 1.0e-10;
- final static float corrratio = 1.0/2.4;
- final static float One_Third = 1.0/3.0;
- final static float one_hsixteen = 1.0/116.0;
-
- color toLAB(color c) {
- PVector xyz = _toXYZ(getNR(c), getNG(c), getNB(c));
- xyz.div(100.0);
- xyz.x /= D65X;
- xyz.y /= D65Y;
- xyz.z /= D65Z;
- float x, y, z;
-
- if (xyz.x > CIEEpsilon) {
- x = pow(xyz.x, One_Third);
- } else {
- x= (CIEK*xyz.x+16.0)*one_hsixteen;
- }
-
- if (xyz.y > CIEEpsilon) {
- y = pow(xyz.y, One_Third);
- } else {
- y = (CIEK*xyz.y+16.0)*one_hsixteen;
- }
-
- if (xyz.z > CIEEpsilon) {
- z = pow(xyz.z, One_Third);
- } else {
- z = (CIEK*xyz.z+16.0)*one_hsixteen;
- }
-
- float L = 255.0*(((116.0*y)-16.0)*0.01);
- float a = 255.0*(0.5*(x-y)+0.5);
- float b = 255.0*(0.5*(y-z)+0.5);
-
- return blendRGB(c, round(L), round(a), round(b));
- }
-
- color fromLAB(color c) {
- float L = 100*getNR(c);
- float a = getNG(c)-0.5;
- float b = getNB(c)-0.5;
-
- float y = (L+16.0)*one_hsixteen;
- float x = y+a;
- float z = y-b;
-
- float xxx=x*x*x;
- if (xxx>CIEEpsilon) {
- x = xxx;
- } else {
- x = (116.0*x-16.0)/CIEK;
- }
-
- float yyy=y*y*y;
- if (yyy>CIEEpsilon) {
- y = yyy;
- } else {
- y = L/CIEK;
- }
-
- float zzz=z*z*z;
- if (zzz>CIEEpsilon) {
- z = zzz;
- } else {
- z = (116.0*z-16.0)/CIEK;
- }
-
- return _fromXYZ(c, RANGE_X*x, RANGE_Y*y, RANGE_Z*z);
- }
-
- /**************
- * Luv
- **************/
-
- final float PerceptibleReciprocal(float x) {
- float sgn = x < 0.0 ? -1.0 : 1.0;
- if ((sgn * x) >= mepsilon) return (1.0 / x);
- return (sgn/mepsilon);
- }
-
- color toLUV(color c) {
- PVector xyz = _toXYZ(getNR(c), getNG(c), getNB(c));
- xyz.div(100.0);
- float d = xyz.y; // / D65Y;
- float L;
- if (d > CIEEpsilon) L = 116.0*pow(d, One_Third)-16.0;
- else L = CIEK * d;
- float alpha = PerceptibleReciprocal(xyz.x + 15.0 * xyz.y + 3.0 * xyz.z);
- float L13 = 13.0 * L;
- float u = L13 * ((4.0 * alpha * xyz.x)-D65FX_4);
- float v = L13 * ((9.0 * alpha * xyz.y)-D65FY_9);
- L /= 100.0;
- u=(u+134.0)/354.0;
- v=(v+140.0)/262.0;
- return blendRGB(c, round(L*255), round(u*255), round(v*255));
- }
-
- color fromLUV(color c) {
- float L = 100.0*getNR(c);
- float u = 354.0*getNG(c)-134.0;
- float v = 262.0*getNB(c)-140.0;
- float X, Y, Z;
- if (L > CIEK2epsilon) Y = pow((L+16.0)*one_hsixteen, 3.0);
- else Y = L/CIEK;
- float L13 = 13.0*L;
- float L52 = 52.0*L;
- float Y5 = 5.0*Y;
- float L13u = L52/(u+L13*D65FX_4);
- X=((Y*((39.0*L/(v+L13*D65FY_9))-5.0))+Y5)/((((L13u)-1.0)/3.0)+One_Third);
- Z=(X*(((L13u)-1.0)/3.0))-Y5;
- return _fromXYZ(c, 100*X, 100*Y, 100*Z);
- }
-
- /**************
- * HCL
- **************/
-
- color toHCL(color c) {
- float r = getNR(c);
- float g = getNG(c);
- float b = getNB(c);
- float max = max(r, max(g, b));
- float chr = max - min(r, min(g, b));
- float h = 0.0;
- if ( chr != 0) {
- if (r == max) {
- h = ((g-b)/chr+6.0) % 6.0;
- } else if (g == max) {
- h = (b-r)/chr + 2.0;
- } else {
- h = (r-g)/chr + 4.0;
- }
- }
- return blendRGB(c, round((h/6.0)*255), round(chr*255), round(255*(0.298839*r+0.586811*g+0.114350*b)));
- }
-
- color fromHCL(color c) {
- float h = 6.0*getNR(c);
- float chr = getNG(c);
- float l = getNB(c);
- float x = chr*(1.0-abs((h%2.0)-1.0));
- float r = 0.0;
- float g = 0.0;
- float b = 0.0;
- if ((0.0 <= h) && (h < 1.0)) {
- r=chr;
- g=x;
- } else if ((1.0 <= h) && (h < 2.0)) {
- r=x;
- g=chr;
- } else if ((2.0 <= h) && (h < 3.0)) {
- g=chr;
- b=x;
- } else if ((3.0 <= h) && (h < 4.0)) {
- g=x;
- b=chr;
- } else if ((4.0 <= h) && (h < 5.0)) {
- r=x;
- b=chr;
- } else {//if ((5.0 <= h) && (h < 6.0)) {
- r=chr;
- b=x;
- }
- float m = l - (0.298839*r+0.586811*g+0.114350*b);
- return blendRGB(c, round(255*(r+m)), round(255*(g+m)), round(255*(b+m)));
- }
-
- /**************
- * Yxy
- **************/
-
- color toYXY(color c) {
- PVector xyz = _toXYZ(getNR(c), getNG(c), getNB(c));
- float sum = xyz.x + xyz.y + xyz.z;
- float x = xyz.x > 0 ? xyz.x / sum : 0.0;
- float y = xyz.y > 0 ? xyz.y / sum : 0.0;
- return blendRGB(c,
- (int)map(xyz.y, 0, RANGE_Y, 0, 255),
- (int)map(x, 0.0, 1.0, 0, 255),
- (int)map(y, 0.0, 1.0, 0, 255));
- }
-
- color fromYXY(color c) {
- float Y = map(getR(c), 0, 255, 0, RANGE_Y);
- float x = map(getG(c), 0, 255, 0, 1.0);
- float y = map(getB(c), 0, 255, 0, 1.0);
- float divy = Y / (y>0 ? y : 1.0e-6);
-
- return _fromXYZ(c, x * divy, Y, (1-x-y)*divy);
- }
-
- /**************
- * XYZ
- **************/
-
- // FIXME: range from 0 to 1
- float correctionxyz(float n) {
- return (n > 0.04045 ? pow((n + 0.055) / 1.055, 2.4) : n / 12.92) * 100.0;
- }
-
- PVector _toXYZ(float rr, float gg, float bb) {
- float r = correctionxyz(rr);
- float g = correctionxyz(gg);
- float b = correctionxyz(bb);
- return new PVector(r * 0.4124 + g * 0.3576 + b * 0.1805,
- r * 0.2126 + g * 0.7152 + b * 0.0722,
- r * 0.0193 + g * 0.1192 + b * 0.9505);
- }
-
- color toXYZ(color c) {
- PVector xyz = _toXYZ(getNR(c), getNG(c), getNB(c));
- return blendRGB(c,
- (int)map(xyz.x, 0, RANGE_X, 0, 255),
- (int)map(xyz.y, 0, RANGE_Y, 0, 255),
- (int)map(xyz.z, 0, RANGE_Z, 0, 255));
- }
-
- float recorrectionxyz(float n) {
- return n > 0.0031308 ? 1.055 * pow(n, corrratio) - 0.055 : 12.92 * n;
- }
-
- // FIXME: range from 0 to 1
- color _fromXYZ(color c, float xx, float yy, float zz) {
- float x = xx/100.0;
- float y = yy/100.0;
- float z = zz/100.0;
-
- int r = round(255.0*recorrectionxyz(x * 3.2406 + y * -1.5372 + z * -0.4986));
- int g = round(255.0*recorrectionxyz(x * -0.9689 + y * 1.8758 + z * 0.0415));
- int b = round(255.0*recorrectionxyz(x * 0.0557 + y * -0.2040 + z * 1.0570));
-
- return blendRGB(c, r, g, b);
- }
-
- color fromXYZ(color c) {
- float x = map(getR(c), 0, 255, 0, RANGE_X);
- float y = map(getG(c), 0, 255, 0, RANGE_Y);
- float z = map(getB(c), 0, 255, 0, RANGE_Z);
-
- return _fromXYZ(c, x, y, z);
- }
-
- /**************
- * CMY
- **************/
-
- color toCMY(color c) {
- return blendRGB(c, 255-getR(c), 255-getG(c), 255-getB(c));
- }
-
- color fromCMY(color c) {
- return toCMY(c);
- }
-
- /**************
- * OHTA
- **************/
-
- color fromOHTA(color c) {
- int I1 = getR(c);
- float I2 = map(getG(c), 0, 255, -127.5, 127.5);
- float I3 = map(getB(c), 0, 255, -127.5, 127.5);
-
- int R = (int)(I1+1.00000*I2-0.66668*I3);
- int G = (int)(I1+1.33333*I3);
- int B = (int)(I1-1.00000*I2-0.66668*I3);
-
- return blendRGB(c, R, G, B);
- }
-
- color toOHTA(color c) {
- int R = getR(c);
- int G = getG(c);
- int B = getB(c);
-
- int I1 = (int)(0.33333*R+0.33334*G+0.33333*B);
- int I2 = (int)map(0.5*(R-B), -127.5, 127.5, 0, 255);
- int I3 = (int)map(-0.25000*R+0.50000*G-0.25000*B, -127.5, 127.5, 0, 255);
-
- return blendRGB(c, I1, I2, I3);
- }
-
- ////
- // 1/n table for n=0..255 - to speed up color conversions things
- final static float[] r255 = {
- 0.0, 0.003921569, 0.007843138, 0.011764706, 0.015686275, 0.019607844, 0.023529412, 0.02745098, 0.03137255, 0.03529412, 0.039215688,
- 0.043137256, 0.047058824, 0.050980393, 0.05490196, 0.05882353, 0.0627451, 0.06666667, 0.07058824, 0.07450981, 0.078431375, 0.08235294,
- 0.08627451, 0.09019608, 0.09411765, 0.09803922, 0.101960786, 0.105882354, 0.10980392, 0.11372549, 0.11764706, 0.12156863, 0.1254902,
- 0.12941177, 0.13333334, 0.13725491, 0.14117648, 0.14509805, 0.14901961, 0.15294118, 0.15686275, 0.16078432, 0.16470589, 0.16862746,
- 0.17254902, 0.1764706, 0.18039216, 0.18431373, 0.1882353, 0.19215687, 0.19607843, 0.2, 0.20392157, 0.20784314, 0.21176471, 0.21568628,
- 0.21960784, 0.22352941, 0.22745098, 0.23137255, 0.23529412, 0.23921569, 0.24313726, 0.24705882, 0.2509804, 0.25490198, 0.25882354,
- 0.2627451, 0.26666668, 0.27058825, 0.27450982, 0.2784314, 0.28235295, 0.28627452, 0.2901961, 0.29411766, 0.29803923, 0.3019608, 0.30588236,
- 0.30980393, 0.3137255, 0.31764707, 0.32156864, 0.3254902, 0.32941177, 0.33333334, 0.3372549, 0.34117648, 0.34509805, 0.34901962, 0.3529412,
- 0.35686275, 0.36078432, 0.3647059, 0.36862746, 0.37254903, 0.3764706, 0.38039216, 0.38431373, 0.3882353, 0.39215687, 0.39607844, 0.4,
- 0.40392157, 0.40784314, 0.4117647, 0.41568628, 0.41960785, 0.42352942, 0.42745098, 0.43137255, 0.43529412, 0.4392157, 0.44313726,
- 0.44705883, 0.4509804, 0.45490196, 0.45882353, 0.4627451, 0.46666667, 0.47058824, 0.4745098, 0.47843137, 0.48235294, 0.4862745, 0.49019608,
- 0.49411765, 0.49803922, 0.5019608, 0.5058824, 0.50980395, 0.5137255, 0.5176471, 0.52156866, 0.5254902, 0.5294118, 0.53333336, 0.5372549,
- 0.5411765, 0.54509807, 0.54901963, 0.5529412, 0.5568628, 0.56078434, 0.5647059, 0.5686275, 0.57254905, 0.5764706, 0.5803922, 0.58431375,
- 0.5882353, 0.5921569, 0.59607846, 0.6, 0.6039216, 0.60784316, 0.6117647, 0.6156863, 0.61960787, 0.62352943, 0.627451, 0.6313726, 0.63529414,
- 0.6392157, 0.6431373, 0.64705884, 0.6509804, 0.654902, 0.65882355, 0.6627451, 0.6666667, 0.67058825, 0.6745098, 0.6784314, 0.68235296,
- 0.6862745, 0.6901961, 0.69411767, 0.69803923, 0.7019608, 0.7058824, 0.70980394, 0.7137255, 0.7176471, 0.72156864, 0.7254902, 0.7294118,
- 0.73333335, 0.7372549, 0.7411765, 0.74509805, 0.7490196, 0.7529412, 0.75686276, 0.7607843, 0.7647059, 0.76862746, 0.77254903, 0.7764706,
- 0.78039217, 0.78431374, 0.7882353, 0.7921569, 0.79607844, 0.8, 0.8039216, 0.80784315, 0.8117647, 0.8156863, 0.81960785, 0.8235294, 0.827451,
- 0.83137256, 0.8352941, 0.8392157, 0.84313726, 0.84705883, 0.8509804, 0.85490197, 0.85882354, 0.8627451, 0.8666667, 0.87058824, 0.8745098,
- 0.8784314, 0.88235295, 0.8862745, 0.8901961, 0.89411765, 0.8980392, 0.9019608, 0.90588236, 0.9098039, 0.9137255, 0.91764706, 0.92156863,
- 0.9254902, 0.92941177, 0.93333334, 0.9372549, 0.9411765, 0.94509804, 0.9490196, 0.9529412, 0.95686275, 0.9607843, 0.9647059, 0.96862745,
- 0.972549, 0.9764706, 0.98039216, 0.9843137, 0.9882353, 0.99215686, 0.99607843, 1.0
- };
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