Lines Matching defs:clr
103 CAM02COLOR XYZtoCAT02(CAM02COLOR clr)
105 clr.RGB[0] = (clr.XYZ[0] * 0.7328) + (clr.XYZ[1] * 0.4296) + (clr.XYZ[2] * -0.1624);
106 clr.RGB[1] = (clr.XYZ[0] * -0.7036) + (clr.XYZ[1] * 1.6975) + (clr.XYZ[2] * 0.0061);
107 clr.RGB[2] = (clr.XYZ[0] * 0.0030) + (clr.XYZ[1] * 0.0136) + (clr.XYZ[2] * 0.9834);
109 return clr;
113 CAM02COLOR ChromaticAdaptation(CAM02COLOR clr, cmsCIECAM02* pMod)
118 clr.RGBc[i] = ((pMod -> adoptedWhite.XYZ[1] *
120 (1.0 - pMod->D)) * clr.RGB[i];
123 return clr;
128 CAM02COLOR CAT02toHPE(CAM02COLOR clr)
142 clr.RGBp[0] = (clr.RGBc[0] * M[0]) + (clr.RGBc[1] * M[1]) + (clr.RGBc[2] * M[2]);
143 clr.RGBp[1] = (clr.RGBc[0] * M[3]) + (clr.RGBc[1] * M[4]) + (clr.RGBc[2] * M[5]);
144 clr.RGBp[2] = (clr.RGBc[0] * M[6]) + (clr.RGBc[1] * M[7]) + (clr.RGBc[2] * M[8]);
146 return clr;
150 CAM02COLOR NonlinearCompression(CAM02COLOR clr, cmsCIECAM02* pMod)
156 if (clr.RGBp[i] < 0) {
158 temp = pow((-1.0 * pMod->FL * clr.RGBp[i] / 100.0), 0.42);
159 clr.RGBpa[i] = (-1.0 * 400.0 * temp) / (temp + 27.13) + 0.1;
162 temp = pow((pMod->FL * clr.RGBp[i] / 100.0), 0.42);
163 clr.RGBpa[i] = (400.0 * temp) / (temp + 27.13) + 0.1;
167 clr.A = (((2.0 * clr.RGBpa[0]) + clr.RGBpa[1] +
168 (clr.RGBpa[2] / 20.0)) - 0.305) * pMod->Nbb;
170 return clr;
174 CAM02COLOR ComputeCorrelates(CAM02COLOR clr, cmsCIECAM02* pMod)
178 a = clr.RGBpa[0] - (12.0 * clr.RGBpa[1] / 11.0) + (clr.RGBpa[2] / 11.0);
179 b = (clr.RGBpa[0] + clr.RGBpa[1] - (2.0 * clr.RGBpa[2])) / 9.0;
183 if (b == 0) clr.h = 0;
184 else if (b > 0) clr.h = 90;
185 else clr.h = 270;
189 if (b > 0) clr.h = (r2d * atan(temp));
190 else if (b == 0) clr.h = 0;
191 else clr.h = (r2d * atan(temp)) + 360;
195 clr.h = (r2d * atan(temp)) + 180;
200 (cos((clr.h * d2r + 2.0)) + 3.8);
202 if (clr.h < 20.14) {
203 temp = ((clr.h + 122.47)/1.2) + ((20.14 - clr.h)/0.8);
204 clr.H = 300 + (100*((clr.h + 122.47)/1.2)) / temp;
206 else if (clr.h < 90.0) {
207 temp = ((clr.h - 20.14)/0.8) + ((90.00 - clr.h)/0.7);
208 clr.H = (100*((clr.h - 20.14)/0.8)) / temp;
210 else if (clr.h < 164.25) {
211 temp = ((clr.h - 90.00)/0.7) + ((164.25 - clr.h)/1.0);
212 clr.H = 100 + ((100*((clr.h - 90.00)/0.7)) / temp);
214 else if (clr.h < 237.53) {
215 temp = ((clr.h - 164.25)/1.0) + ((237.53 - clr.h)/1.2);
216 clr.H = 200 + ((100*((clr.h - 164.25)/1.0)) / temp);
219 temp = ((clr.h - 237.53)/1.2) + ((360 - clr.h + 20.14)/0.8);
220 clr.H = 300 + ((100*((clr.h - 237.53)/1.2)) / temp);
223 clr.J = 100.0 * pow((clr.A / pMod->adoptedWhite.A),
226 clr.Q = (4.0 / pMod->c) * pow((clr.J / 100.0), 0.5) *
230 (clr.RGBpa[0] + clr.RGBpa[1] +
231 ((21.0 / 20.0) * clr.RGBpa[2]));
233 clr.C = pow(t, 0.9) * pow((clr.J / 100.0), 0.5) *
236 clr.M = clr.C * pow(pMod->FL, 0.25);
237 clr.s = 100.0 * pow((clr.M / clr.Q), 0.5);
239 return clr;
244 CAM02COLOR InverseCorrelates(CAM02COLOR clr, cmsCIECAM02* pMod)
250 t = pow( (clr.C / (pow((clr.J / 100.0), 0.5) *
254 (cos((clr.h * d2r + 2.0)) + 3.8);
256 clr.A = pMod->adoptedWhite.A * pow(
257 (clr.J / 100.0),
261 p2 = (clr.A / pMod->Nbb) + 0.305;
264 hr = clr.h * d2r;
268 clr.b = (p2 * (2.0 + p3) * (460.0 / 1403.0)) /
272 clr.a = clr.b * (cos(hr) / sin(hr));
276 clr.a = (p2 * (2.0 + p3) * (460.0 / 1403.0)) /
280 clr.b = clr.a * (sin(hr) / cos(hr));
283 clr.RGBpa[0] = ((460.0 / 1403.0) * p2) +
284 ((451.0 / 1403.0) * clr.a) +
285 ((288.0 / 1403.0) * clr.b);
286 clr.RGBpa[1] = ((460.0 / 1403.0) * p2) -
287 ((891.0 / 1403.0) * clr.a) -
288 ((261.0 / 1403.0) * clr.b);
289 clr.RGBpa[2] = ((460.0 / 1403.0) * p2) -
290 ((220.0 / 1403.0) * clr.a) -
291 ((6300.0 / 1403.0) * clr.b);
293 return clr;
297 CAM02COLOR InverseNonlinearity(CAM02COLOR clr, cmsCIECAM02* pMod)
303 if ((clr.RGBpa[i] - 0.1) < 0) c1 = -1;
305 clr.RGBp[i] = c1 * (100.0 / pMod->FL) *
306 pow(((27.13 * fabs(clr.RGBpa[i] - 0.1)) /
307 (400.0 - fabs(clr.RGBpa[i] - 0.1))),
311 return clr;
315 CAM02COLOR HPEtoCAT02(CAM02COLOR clr)
329 clr.RGBc[0] = (clr.RGBp[0] * M[0]) + (clr.RGBp[1] * M[1]) + (clr.RGBp[2] * M[2]);
330 clr.RGBc[1] = (clr.RGBp[0] * M[3]) + (clr.RGBp[1] * M[4]) + (clr.RGBp[2] * M[5]);
331 clr.RGBc[2] = (clr.RGBp[0] * M[6]) + (clr.RGBp[1] * M[7]) + (clr.RGBp[2] * M[8]);
332 return clr;
337 CAM02COLOR InverseChromaticAdaptation(CAM02COLOR clr, cmsCIECAM02* pMod)
341 clr.RGB[i] = clr.RGBc[i] /
344 return clr;
349 CAM02COLOR CAT02toXYZ(CAM02COLOR clr)
351 clr.XYZ[0] = (clr.RGB[0] * 1.096124) + (clr.RGB[1] * -0.278869) + (clr.RGB[2] * 0.182745);
352 clr.XYZ[1] = (clr.RGB[0] * 0.454369) + (clr.RGB[1] * 0.473533) + (clr.RGB[2] * 0.072098);
353 clr.XYZ[2] = (clr.RGB[0] * -0.009628) + (clr.RGB[1] * -0.005698) + (clr.RGB[2] * 1.015326);
355 return clr;
438 CAM02COLOR clr;
445 memset(&clr, 0, sizeof(clr));
447 clr.XYZ[0] = pIn ->X;
448 clr.XYZ[1] = pIn ->Y;
449 clr.XYZ[2] = pIn ->Z;
451 clr = XYZtoCAT02(clr);
452 clr = ChromaticAdaptation(clr, lpMod);
453 clr = CAT02toHPE(clr);
454 clr = NonlinearCompression(clr, lpMod);
455 clr = ComputeCorrelates(clr, lpMod);
457 pOut ->J = clr.J;
458 pOut ->C = clr.C;
459 pOut ->h = clr.h;
464 CAM02COLOR clr;
471 memset(&clr, 0, sizeof(clr));
473 clr.J = pIn -> J;
474 clr.C = pIn -> C;
475 clr.h = pIn -> h;
477 clr = InverseCorrelates(clr, lpMod);
478 clr = InverseNonlinearity(clr, lpMod);
479 clr = HPEtoCAT02(clr);
480 clr = InverseChromaticAdaptation(clr, lpMod);
481 clr = CAT02toXYZ(clr);
483 pOut ->X = clr.XYZ[0];
484 pOut ->Y = clr.XYZ[1];
485 pOut ->Z = clr.XYZ[2];
