Lines Matching defs:Cr
177 TIFFYCbCrtoRGB(TIFFYCbCrToRGB *ycbcr, uint32 Y, int32 Cb, int32 Cr,
181 Y = CLAMP(Y, 0, 255), Cb = CLAMP(Cb, 0, 255), Cr = CLAMP(Cr, 0, 255);
183 *r = ycbcr->clamptab[ycbcr->Y_tab[Y] + ycbcr->Cr_r_tab[Cr]];
185 + (int)((ycbcr->Cb_g_tab[Cb] + ycbcr->Cr_g_tab[Cr]) >> SHIFT)];
193 * R = Y + Cr*(2 - 2*LumaRed)
197 * - LumaRed*Cr*(2-2*LumaRed)/LumaGreen
202 * pre-calculating possible values indexed by Cb and Cr (this code
240 * Cb and Cr values are in the range -128..127 (actually
246 int32 Cr = (int32)Code2V(x, refBlackWhite[4] - 128.0F,
251 ycbcr->Cr_r_tab[i] = (int32)((D1*Cr + ONE_HALF)>>SHIFT);
253 ycbcr->Cr_g_tab[i] = D2*Cr;