libs/tiff/tif_aux.c

65 TIFFDefaultTransferFunction(TIFFDirectory* td)
67 	uint16 **tf = td->td_transferfunction;
71 	if (td->td_bitspersample >= sizeof(tsize_t) * 8 - 2)
74 	n = 1<<td->td_bitspersample;
84 	if (td->td_samplesperpixel - td->td_extrasamples > 1) {
106 TIFFDefaultRefBlackWhite(TIFFDirectory* td)
110 	if (!(td->td_refblackwhite = (float *)_TIFFmalloc(6*sizeof (float))))
112         if (td->td_photometric == PHOTOMETRIC_YCBCR) {
117 		td->td_refblackwhite[0] = 0.0F;
118 		td->td_refblackwhite[1] = td->td_refblackwhite[3] =
119 			td->td_refblackwhite[5] = 255.0F;
120 		td->td_refblackwhite[2] = td->td_refblackwhite[4] = 128.0F;
126 		    td->td_refblackwhite[2*i+0] = 0;
127 		    td->td_refblackwhite[2*i+1] =
128 			    (float)((1L<<td->td_bitspersample)-1L);
145 	TIFFDirectory *td = &tif->tif_dir;
151 		*va_arg(ap, uint32 *) = td->td_subfiletype;
154 		*va_arg(ap, uint16 *) = td->td_bitspersample;
157 		*va_arg(ap, uint16 *) = td->td_threshholding;
160 		*va_arg(ap, uint16 *) = td->td_fillorder;
163 		*va_arg(ap, uint16 *) = td->td_orientation;
166 		*va_arg(ap, uint16 *) = td->td_samplesperpixel;
169 		*va_arg(ap, uint32 *) = td->td_rowsperstrip;
172 		*va_arg(ap, uint16 *) = td->td_minsamplevalue;
175 		*va_arg(ap, uint16 *) = td->td_maxsamplevalue;
178 		*va_arg(ap, uint16 *) = td->td_planarconfig;
181 		*va_arg(ap, uint16 *) = td->td_resolutionunit;
191 		*va_arg(ap, uint16 *) = (1<<td->td_bitspersample)-1;
200 		*va_arg(ap, uint16 *) = td->td_extrasamples;
201 		*va_arg(ap, uint16 **) = td->td_sampleinfo;
205 		    (td->td_extrasamples == 1 &&
206 		     td->td_sampleinfo[0] == EXTRASAMPLE_ASSOCALPHA);
209 		*va_arg(ap, uint32 *) = td->td_tiledepth;
212 		*va_arg(ap, uint16 *) = td->td_sampleformat-1;
215 		*va_arg(ap, uint16 *) = td->td_sampleformat;
218 		*va_arg(ap, uint32 *) = td->td_imagedepth;
228 		*va_arg(ap, uint16 *) = td->td_ycbcrsubsampling[0];
229 		*va_arg(ap, uint16 *) = td->td_ycbcrsubsampling[1];
232 		*va_arg(ap, uint16 *) = td->td_ycbcrpositioning;
247 		if (!td->td_transferfunction[0] &&
248 		    !TIFFDefaultTransferFunction(td)) {
252 		*va_arg(ap, uint16 **) = td->td_transferfunction[0];
253 		if (td->td_samplesperpixel - td->td_extrasamples > 1) {
254 			*va_arg(ap, uint16 **) = td->td_transferfunction[1];
255 			*va_arg(ap, uint16 **) = td->td_transferfunction[2];
259 		if (!td->td_refblackwhite && !TIFFDefaultRefBlackWhite(td))
261 		*va_arg(ap, float **) = td->td_refblackwhite;