int jpc_tsfb_synthesize(jpc_tsfb_t *tsfb, jas_seq2d_t *a)
{
return (tsfb->numlvls > 0) ? jpc_tsfb_synthesize2(tsfb,
jas_seq2d_getref(a, jas_seq2d_xstart(a), jas_seq2d_ystart(a)),
jas_seq2d_xstart(a), jas_seq2d_ystart(a), jas_seq2d_width(a),
jas_seq2d_height(a), jas_seq2d_rowstep(a), tsfb->numlvls - 1) : 0;
}
static void jpc_tsfbnode_synthesize(jpc_tsfbnode_t *node, int flags, jas_seq2d_t *x)
{
jpc_tsfbnodeband_t nodebands[JPC_TSFB_MAXBANDSPERNODE];
int numbands;
jas_seq2d_t *y;
int bandno;
jpc_tsfbnodeband_t *band;
if (node->numchildren > 0) {
qmfb2d_getbands(node->hqmfb, node->vqmfb, jas_seq2d_xstart(x),
jas_seq2d_ystart(x), jas_seq2d_xend(x), jas_seq2d_yend(x),
JPC_TSFB_MAXBANDSPERNODE, &numbands, nodebands);
y = jas_seq2d_create(0, 0, 0, 0);
for (bandno = 0, band = nodebands; bandno < numbands; ++bandno, ++band) {
if (node->children[bandno]) {
if (band->xstart != band->xend && band->ystart != band->yend) {
jas_seq2d_bindsub(y, x, band->locxstart, band->locystart,
band->locxend, band->locyend);
jas_seq2d_setshift(y, band->xstart, band->ystart);
jpc_tsfbnode_synthesize(node->children[bandno], flags, y);
}
}
}
jas_seq2d_destroy(y);
}
if (node->hqmfb) {
jpc_qmfb1d_synthesize(node->hqmfb, flags, x);
}
if (node->vqmfb) {
jpc_qmfb1d_synthesize(node->vqmfb, flags | JPC_QMFB1D_VERT, x);
}
}
static void jpc_tsfbnode_synthesize(jpc_tsfbnode_t *node, int flags, jas_seq2d_t *x)
{
jpc_tsfbnodeband_t nodebands[JPC_TSFB_MAXBANDSPERNODE];
int numbands;
jas_seq2d_t *y;
int bandno;
jpc_tsfbnodeband_t *band;
if (node->numchildren > 0)
{
jas_matrix_t org;
qmfb2d_getbands( node->hqmfb, node->vqmfb,
jas_seq2d_xstart(x),
jas_seq2d_ystart(x),
jas_seq2d_xend(x),
jas_seq2d_yend(x),
JPC_TSFB_MAXBANDSPERNODE,
&numbands,
nodebands
);
y = &org;
memset( y, 0, sizeof(org));
for (bandno = 0, band = nodebands; bandno < numbands; ++bandno, ++band)
{
if (node->children[bandno])
{
if (band->xstart != band->xend && band->ystart != band->yend)
{
jas_seq2d_bindsub( y,
x,
band->locxstart,
band->locystart,
band->locxend,
band->locyend
);
jas_seq2d_setshift( y,
band->xstart,
band->ystart
);
jpc_tsfbnode_synthesize( node->children[bandno],
flags,
y
);
}
}
}
}
if (node->hqmfb)
{
(*(node->hqmfb)->ops->synthesize)(node->hqmfb, flags, x);
}
if (node->vqmfb)
{
(*(node->vqmfb)->ops->synthesize)(node->vqmfb, flags | JPC_QMFB1D_VERT, x);
}
}