Example #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);
    }
}
Example #2
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) 
	{
		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);
	}
}