libs/tiff/tif_write.c

35 #define	STRIPINCR	20		/* expansion factor on strip array */
54 	tstrip_t strip;
80 	 * Calculate strip and check for crossings.
89 		strip = sample*td->td_stripsperimage + row/td->td_rowsperstrip;
91 		strip = row / td->td_rowsperstrip;
93 	 * Check strip array to make sure there's space. We don't support
99 	if (strip >= td->td_nstrips && !TIFFGrowStrips(tif, 1, module))
101 	if (strip != tif->tif_curstrip) {
107 		tif->tif_curstrip = strip;
113 		if (strip >= td->td_stripsperimage && imagegrew)
117 		    (strip % td->td_stripsperimage) * td->td_rowsperstrip;
127 		if( td->td_stripbytecount[strip] > 0 )
130 			td->td_stripbytecount[strip] = 0;
142 	 * beginning of a strip (or that we can randomly
148 			 * Moving backwards within the same strip:
152 			tif->tif_row = (strip % td->td_stripsperimage) *
177  * specified strip.
182 TIFFWriteEncodedStrip(TIFF* tif, tstrip_t strip, tdata_t data, tsize_t cc)
191 	 * Check strip array to make sure there's space.
199 	if (strip >= td->td_nstrips) {
217 	tif->tif_curstrip = strip;
218 	tif->tif_row = (strip % td->td_stripsperimage) * td->td_rowsperstrip;
228         if( td->td_stripbytecount[strip] > 0 )
236 	sample = (tsample_t)(strip / td->td_stripsperimage);
251 	    !TIFFAppendToStrip(tif, strip, tif->tif_rawdata, tif->tif_rawcc))
259  * Write the supplied data to the specified strip.
264 TIFFWriteRawStrip(TIFF* tif, tstrip_t strip, tdata_t data, tsize_t cc)
272 	 * Check strip array to make sure there's space.
280 	if (strip >= td->td_nstrips) {
291 		if (strip >= td->td_stripsperimage)
297 	tif->tif_curstrip = strip;
298 	tif->tif_row = (strip % td->td_stripsperimage) * td->td_rowsperstrip;
299 	return (TIFFAppendToStrip(tif, strip, (tidata_t) data, cc) ?
414  * Write the supplied data to the specified strip.
533 		    tif->tif_name, isTiled(tif) ? "tile" : "strip");
586  * Grow the strip data structures by delta strips.
605 		TIFFErrorExt(tif->tif_clientdata, module, "%s: No space to expand strip arrays",
620  * Append the data to the specified strip.
623 TIFFAppendToStrip(TIFF* tif, tstrip_t strip, tidata_t data, tsize_t cc)
628 	if (td->td_stripoffset[strip] == 0 || tif->tif_curoff == 0) {
631             if( td->td_stripbytecount[strip] != 0
632                 && td->td_stripoffset[strip] != 0
633                 && td->td_stripbytecount[strip] >= cc )
639                  * more data to append to this strip before we are done
642                 if (!SeekOK(tif, td->td_stripoffset[strip])) {
653                  * write this strip.
655                 td->td_stripoffset[strip] = TIFFSeekFile(tif, 0, SEEK_END);
658             tif->tif_curoff = td->td_stripoffset[strip];
661              * We are starting a fresh strip/tile, so set the size to zero.
663             td->td_stripbytecount[strip] = 0;
672 	td->td_stripbytecount[strip] += cc;