/** * Retrives precincts and code-blocks coordinates in the given resolution, component and tile. It * terminates TagTreeEncoder initialization as well. * * @param t Tile index. * @param c Component index. * @param r Resolution level index. */ private void fillPrecInfo(int t, int c, int r) { if (ppinfo[t][c][r].length == 0) return; // No precinct in this // resolution level Point tileI = infoSrc.getTile(null); Point nTiles = infoSrc.getNumTiles(null); int x0siz = infoSrc.getImgULX(); int y0siz = infoSrc.getImgULY(); int xsiz = x0siz + infoSrc.getImgWidth(); int ysiz = y0siz + infoSrc.getImgHeight(); int xt0siz = infoSrc.getTilePartULX(); int yt0siz = infoSrc.getTilePartULY(); int xtsiz = infoSrc.getNomTileWidth(); int ytsiz = infoSrc.getNomTileHeight(); int tx0 = (tileI.x == 0) ? x0siz : xt0siz + tileI.x * xtsiz; int ty0 = (tileI.y == 0) ? y0siz : yt0siz + tileI.y * ytsiz; int tx1 = (tileI.x != nTiles.x - 1) ? xt0siz + (tileI.x + 1) * xtsiz : xsiz; int ty1 = (tileI.y != nTiles.y - 1) ? yt0siz + (tileI.y + 1) * ytsiz : ysiz; int xrsiz = infoSrc.getCompSubsX(c); int yrsiz = infoSrc.getCompSubsY(c); int tcx0 = (int) Math.ceil(tx0 / (double) (xrsiz)); int tcy0 = (int) Math.ceil(ty0 / (double) (yrsiz)); int tcx1 = (int) Math.ceil(tx1 / (double) (xrsiz)); int tcy1 = (int) Math.ceil(ty1 / (double) (yrsiz)); int ndl = infoSrc.getAnSubbandTree(t, c).resLvl - r; int trx0 = (int) Math.ceil(tcx0 / (double) (1 << ndl)); int try0 = (int) Math.ceil(tcy0 / (double) (1 << ndl)); int trx1 = (int) Math.ceil(tcx1 / (double) (1 << ndl)); int try1 = (int) Math.ceil(tcy1 / (double) (1 << ndl)); int cb0x = infoSrc.getCbULX(); int cb0y = infoSrc.getCbULY(); double twoppx = (double) wp.getPrecinctPartition().getPPX(t, c, r); double twoppy = (double) wp.getPrecinctPartition().getPPY(t, c, r); int twoppx2 = (int) (twoppx / 2); int twoppy2 = (int) (twoppy / 2); // Precincts are located at (cb0x+i*twoppx,cb0y+j*twoppy) // Valid precincts are those which intersect with the current // resolution level int maxPrec = ppinfo[t][c][r].length; int nPrec = 0; int istart = (int) Math.floor((try0 - cb0y) / twoppy); int iend = (int) Math.floor((try1 - 1 - cb0y) / twoppy); int jstart = (int) Math.floor((trx0 - cb0x) / twoppx); int jend = (int) Math.floor((trx1 - 1 - cb0x) / twoppx); int acb0x, acb0y; SubbandAn root = infoSrc.getAnSubbandTree(t, c); SubbandAn sb = null; int p0x, p0y, p1x, p1y; // Precinct projection in subband int s0x, s0y, s1x, s1y; // Active subband portion int cw, ch; int kstart, kend, lstart, lend, k0, l0; int prg_ulx, prg_uly; int prg_w = (int) twoppx << ndl; int prg_h = (int) twoppy << ndl; CBlkCoordInfo cb; for (int i = istart; i <= iend; i++) { // Vertical precincts for (int j = jstart; j <= jend; j++, nPrec++) { // Horizontal precincts if (j == jstart && (trx0 - cb0x) % (xrsiz * ((int) twoppx)) != 0) { prg_ulx = tx0; } else { prg_ulx = cb0x + j * xrsiz * ((int) twoppx << ndl); } if (i == istart && (try0 - cb0y) % (yrsiz * ((int) twoppy)) != 0) { prg_uly = ty0; } else { prg_uly = cb0y + i * yrsiz * ((int) twoppy << ndl); } ppinfo[t][c][r][nPrec] = new PrecInfo( r, (int) (cb0x + j * twoppx), (int) (cb0y + i * twoppy), (int) twoppx, (int) twoppy, prg_ulx, prg_uly, prg_w, prg_h); if (r == 0) { // LL subband acb0x = cb0x; acb0y = cb0y; p0x = acb0x + j * (int) twoppx; p1x = p0x + (int) twoppx; p0y = acb0y + i * (int) twoppy; p1y = p0y + (int) twoppy; sb = (SubbandAn) root.getSubbandByIdx(0, 0); s0x = (p0x < sb.ulcx) ? sb.ulcx : p0x; s1x = (p1x > sb.ulcx + sb.w) ? sb.ulcx + sb.w : p1x; s0y = (p0y < sb.ulcy) ? sb.ulcy : p0y; s1y = (p1y > sb.ulcy + sb.h) ? sb.ulcy + sb.h : p1y; // Code-blocks are located at (acb0x+k*cw,acb0y+l*ch) cw = sb.nomCBlkW; ch = sb.nomCBlkH; k0 = (int) Math.floor((sb.ulcy - acb0y) / (double) ch); kstart = (int) Math.floor((s0y - acb0y) / (double) ch); kend = (int) Math.floor((s1y - 1 - acb0y) / (double) ch); l0 = (int) Math.floor((sb.ulcx - acb0x) / (double) cw); lstart = (int) Math.floor((s0x - acb0x) / (double) cw); lend = (int) Math.floor((s1x - 1 - acb0x) / (double) cw); if (s1x - s0x <= 0 || s1y - s0y <= 0) { ppinfo[t][c][r][nPrec].nblk[0] = 0; ttIncl[t][c][r][nPrec][0] = new TagTreeEncoder(0, 0); ttMaxBP[t][c][r][nPrec][0] = new TagTreeEncoder(0, 0); } else { ttIncl[t][c][r][nPrec][0] = new TagTreeEncoder(kend - kstart + 1, lend - lstart + 1); ttMaxBP[t][c][r][nPrec][0] = new TagTreeEncoder(kend - kstart + 1, lend - lstart + 1); ppinfo[t][c][r][nPrec].cblk[0] = new CBlkCoordInfo[kend - kstart + 1][lend - lstart + 1]; ppinfo[t][c][r][nPrec].nblk[0] = (kend - kstart + 1) * (lend - lstart + 1); for (int k = kstart; k <= kend; k++) { // Vertical cblks for (int l = lstart; l <= lend; l++) { // Horiz. cblks cb = new CBlkCoordInfo(k - k0, l - l0); ppinfo[t][c][r][nPrec].cblk[0][k - kstart][l - lstart] = cb; } // Horizontal code-blocks } // Vertical code-blocks } } else { // HL, LH and HH subbands // HL subband acb0x = 0; acb0y = cb0y; p0x = acb0x + j * twoppx2; p1x = p0x + twoppx2; p0y = acb0y + i * twoppy2; p1y = p0y + twoppy2; sb = (SubbandAn) root.getSubbandByIdx(r, 1); s0x = (p0x < sb.ulcx) ? sb.ulcx : p0x; s1x = (p1x > sb.ulcx + sb.w) ? sb.ulcx + sb.w : p1x; s0y = (p0y < sb.ulcy) ? sb.ulcy : p0y; s1y = (p1y > sb.ulcy + sb.h) ? sb.ulcy + sb.h : p1y; // Code-blocks are located at (acb0x+k*cw,acb0y+l*ch) cw = sb.nomCBlkW; ch = sb.nomCBlkH; k0 = (int) Math.floor((sb.ulcy - acb0y) / (double) ch); kstart = (int) Math.floor((s0y - acb0y) / (double) ch); kend = (int) Math.floor((s1y - 1 - acb0y) / (double) ch); l0 = (int) Math.floor((sb.ulcx - acb0x) / (double) cw); lstart = (int) Math.floor((s0x - acb0x) / (double) cw); lend = (int) Math.floor((s1x - 1 - acb0x) / (double) cw); if (s1x - s0x <= 0 || s1y - s0y <= 0) { ppinfo[t][c][r][nPrec].nblk[1] = 0; ttIncl[t][c][r][nPrec][1] = new TagTreeEncoder(0, 0); ttMaxBP[t][c][r][nPrec][1] = new TagTreeEncoder(0, 0); } else { ttIncl[t][c][r][nPrec][1] = new TagTreeEncoder(kend - kstart + 1, lend - lstart + 1); ttMaxBP[t][c][r][nPrec][1] = new TagTreeEncoder(kend - kstart + 1, lend - lstart + 1); ppinfo[t][c][r][nPrec].cblk[1] = new CBlkCoordInfo[kend - kstart + 1][lend - lstart + 1]; ppinfo[t][c][r][nPrec].nblk[1] = (kend - kstart + 1) * (lend - lstart + 1); for (int k = kstart; k <= kend; k++) { // Vertical cblks for (int l = lstart; l <= lend; l++) { // Horiz. cblks cb = new CBlkCoordInfo(k - k0, l - l0); ppinfo[t][c][r][nPrec].cblk[1][k - kstart][l - lstart] = cb; } // Horizontal code-blocks } // Vertical code-blocks } // LH subband acb0x = cb0x; acb0y = 0; p0x = acb0x + j * twoppx2; p1x = p0x + twoppx2; p0y = acb0y + i * twoppy2; p1y = p0y + twoppy2; sb = (SubbandAn) root.getSubbandByIdx(r, 2); s0x = (p0x < sb.ulcx) ? sb.ulcx : p0x; s1x = (p1x > sb.ulcx + sb.w) ? sb.ulcx + sb.w : p1x; s0y = (p0y < sb.ulcy) ? sb.ulcy : p0y; s1y = (p1y > sb.ulcy + sb.h) ? sb.ulcy + sb.h : p1y; // Code-blocks are located at (acb0x+k*cw,acb0y+l*ch) cw = sb.nomCBlkW; ch = sb.nomCBlkH; k0 = (int) Math.floor((sb.ulcy - acb0y) / (double) ch); kstart = (int) Math.floor((s0y - acb0y) / (double) ch); kend = (int) Math.floor((s1y - 1 - acb0y) / (double) ch); l0 = (int) Math.floor((sb.ulcx - acb0x) / (double) cw); lstart = (int) Math.floor((s0x - acb0x) / (double) cw); lend = (int) Math.floor((s1x - 1 - acb0x) / (double) cw); if (s1x - s0x <= 0 || s1y - s0y <= 0) { ppinfo[t][c][r][nPrec].nblk[2] = 0; ttIncl[t][c][r][nPrec][2] = new TagTreeEncoder(0, 0); ttMaxBP[t][c][r][nPrec][2] = new TagTreeEncoder(0, 0); } else { ttIncl[t][c][r][nPrec][2] = new TagTreeEncoder(kend - kstart + 1, lend - lstart + 1); ttMaxBP[t][c][r][nPrec][2] = new TagTreeEncoder(kend - kstart + 1, lend - lstart + 1); ppinfo[t][c][r][nPrec].cblk[2] = new CBlkCoordInfo[kend - kstart + 1][lend - lstart + 1]; ppinfo[t][c][r][nPrec].nblk[2] = (kend - kstart + 1) * (lend - lstart + 1); for (int k = kstart; k <= kend; k++) { // Vertical cblks for (int l = lstart; l <= lend; l++) { // Horiz cblks cb = new CBlkCoordInfo(k - k0, l - l0); ppinfo[t][c][r][nPrec].cblk[2][k - kstart][l - lstart] = cb; } // Horizontal code-blocks } // Vertical code-blocks } // HH subband acb0x = 0; acb0y = 0; p0x = acb0x + j * twoppx2; p1x = p0x + twoppx2; p0y = acb0y + i * twoppy2; p1y = p0y + twoppy2; sb = (SubbandAn) root.getSubbandByIdx(r, 3); s0x = (p0x < sb.ulcx) ? sb.ulcx : p0x; s1x = (p1x > sb.ulcx + sb.w) ? sb.ulcx + sb.w : p1x; s0y = (p0y < sb.ulcy) ? sb.ulcy : p0y; s1y = (p1y > sb.ulcy + sb.h) ? sb.ulcy + sb.h : p1y; // Code-blocks are located at (acb0x+k*cw,acb0y+l*ch) cw = sb.nomCBlkW; ch = sb.nomCBlkH; k0 = (int) Math.floor((sb.ulcy - acb0y) / (double) ch); kstart = (int) Math.floor((s0y - acb0y) / (double) ch); kend = (int) Math.floor((s1y - 1 - acb0y) / (double) ch); l0 = (int) Math.floor((sb.ulcx - acb0x) / (double) cw); lstart = (int) Math.floor((s0x - acb0x) / (double) cw); lend = (int) Math.floor((s1x - 1 - acb0x) / (double) cw); if (s1x - s0x <= 0 || s1y - s0y <= 0) { ppinfo[t][c][r][nPrec].nblk[3] = 0; ttIncl[t][c][r][nPrec][3] = new TagTreeEncoder(0, 0); ttMaxBP[t][c][r][nPrec][3] = new TagTreeEncoder(0, 0); } else { ttIncl[t][c][r][nPrec][3] = new TagTreeEncoder(kend - kstart + 1, lend - lstart + 1); ttMaxBP[t][c][r][nPrec][3] = new TagTreeEncoder(kend - kstart + 1, lend - lstart + 1); ppinfo[t][c][r][nPrec].cblk[3] = new CBlkCoordInfo[kend - kstart + 1][lend - lstart + 1]; ppinfo[t][c][r][nPrec].nblk[3] = (kend - kstart + 1) * (lend - lstart + 1); for (int k = kstart; k <= kend; k++) { // Vertical cblks for (int l = lstart; l <= lend; l++) { // Horiz cblks cb = new CBlkCoordInfo(k - k0, l - l0); ppinfo[t][c][r][nPrec].cblk[3][k - kstart][l - lstart] = cb; } // Horizontal code-blocks } // Vertical code-blocks } } } // Horizontal precincts } // Vertical precincts }