put_cmyk(j_decompress_ptr cinfo, djpeg_dest_ptr dinfo,
JDIMENSION rows_supplied)
{
ppm_dest_ptr dest = (ppm_dest_ptr)dinfo;
register char *bufferptr;
register JSAMPROW ptr;
register JDIMENSION col;
ptr = dest->pub.buffer[0];
bufferptr = dest->iobuffer;
for (col = cinfo->output_width; col > 0; col--) {
JSAMPLE r, g, b, c = *ptr++, m = *ptr++, y = *ptr++, k = *ptr++;
cmyk_to_rgb(c, m, y, k, &r, &g, &b);
PUTPPMSAMPLE(bufferptr, r);
PUTPPMSAMPLE(bufferptr, g);
PUTPPMSAMPLE(bufferptr, b);
}
(void)JFWRITE(dest->pub.output_file, dest->iobuffer, dest->buffer_width);
}
put_rgb(j_decompress_ptr cinfo, djpeg_dest_ptr dinfo, JDIMENSION rows_supplied)
{
ppm_dest_ptr dest = (ppm_dest_ptr)dinfo;
register char *bufferptr;
register JSAMPROW ptr;
register JDIMENSION col;
register int rindex = rgb_red[cinfo->out_color_space];
register int gindex = rgb_green[cinfo->out_color_space];
register int bindex = rgb_blue[cinfo->out_color_space];
register int ps = rgb_pixelsize[cinfo->out_color_space];
ptr = dest->pub.buffer[0];
bufferptr = dest->iobuffer;
for (col = cinfo->output_width; col > 0; col--) {
PUTPPMSAMPLE(bufferptr, ptr[rindex]);
PUTPPMSAMPLE(bufferptr, ptr[gindex]);
PUTPPMSAMPLE(bufferptr, ptr[bindex]);
ptr += ps;
}
(void)JFWRITE(dest->pub.output_file, dest->iobuffer, dest->buffer_width);
}
put_demapped_rgb(j_decompress_ptr cinfo, djpeg_dest_ptr dinfo,
JDIMENSION rows_supplied)
{
ppm_dest_ptr dest = (ppm_dest_ptr)dinfo;
register char *bufferptr;
register int pixval;
register JSAMPROW ptr;
register JSAMPROW color_map0 = cinfo->colormap[0];
register JSAMPROW color_map1 = cinfo->colormap[1];
register JSAMPROW color_map2 = cinfo->colormap[2];
register JDIMENSION col;
ptr = dest->pub.buffer[0];
bufferptr = dest->iobuffer;
for (col = cinfo->output_width; col > 0; col--) {
pixval = GETJSAMPLE(*ptr++);
PUTPPMSAMPLE(bufferptr, GETJSAMPLE(color_map0[pixval]));
PUTPPMSAMPLE(bufferptr, GETJSAMPLE(color_map1[pixval]));
PUTPPMSAMPLE(bufferptr, GETJSAMPLE(color_map2[pixval]));
}
(void)JFWRITE(dest->pub.output_file, dest->iobuffer, dest->buffer_width);
}
copy_pixel_rows (j_decompress_ptr cinfo, djpeg_dest_ptr dinfo,
JDIMENSION rows_supplied)
{
ppm_dest_ptr dest = (ppm_dest_ptr) dinfo;
register char *bufferptr;
register JSAMPROW ptr;
register JDIMENSION col;
ptr = dest->pub.buffer[0];
bufferptr = dest->iobuffer;
for (col = dest->samples_per_row; col > 0; col--) {
PUTPPMSAMPLE(bufferptr, GETJSAMPLE(*ptr++));
}
(void) JFWRITE(dest->pub.output_file, dest->iobuffer, dest->buffer_width);
}
copy_pixel_rows(j_decompress_ptr cinfo, djpeg_dest_ptr dinfo,
JDIMENSION rows_supplied)
{
ppm_dest_ptr dest = (ppm_dest_ptr)dinfo;
register char *bufferptr;
register JSAMPROW ptr;
#if BITS_IN_JSAMPLE != 8 || (!defined(HAVE_UNSIGNED_CHAR) && !defined(__CHAR_UNSIGNED__))
register JDIMENSION col;
#endif
ptr = dest->pub.buffer[0];
bufferptr = dest->iobuffer;
#if BITS_IN_JSAMPLE == 8 && (defined(HAVE_UNSIGNED_CHAR) || defined(__CHAR_UNSIGNED__))
MEMCOPY(bufferptr, ptr, dest->samples_per_row);
#else
for (col = dest->samples_per_row; col > 0; col--) {
PUTPPMSAMPLE(bufferptr, GETJSAMPLE(*ptr++));
}
#endif
(void)JFWRITE(dest->pub.output_file, dest->iobuffer, dest->buffer_width);
}
