public void next() { // blur for (int y = 1; y < m_height; ++y) { int oset = y * m_width; // System.out.println("y:::"); for (int x = 1; x < m_width - 1; ++x) { // int dl = m_data[oset + m_width + x - 1]; // int dr = m_data[oset + m_width + x + 1]; // int d = m_data[oset + m_width + x]; // m_data[oset + x] = (int) ((dl + (d * 2) + dr) / (4 + 10.0 / m_width)); // m_data[oset + x] = (int) ((dl + du + dr + dd) / 4); m_data[oset + x] = (((m_data[oset + x + m_width] << 2) + (m_data[oset + x] << 1) + (m_data[oset + x + 1]) + (m_data[oset + x - 1])) - 7) >> 3; if (m_data[oset + x] < 0) m_data[oset + x] = 0; // System.out.print(" " + m_data[oset + x]); } // System.out.println(); } // seed the last row for the next step... seedLastRow(); QNativePointer np = m_image.bits(); np.setVerificationEnabled(false); int ppl = m_image.bytesPerLine() / 4; for (int y = 0; y < m_height; ++y) { int oset = ppl * y; for (int x = 0; x < m_width; ++x) { int val = m_data[oset + x]; val = val * val / (255); int val_2 = 0; np.setIntAt(oset + x, (val << 24) | (val_2 << 16) | (val_2 << 8) | (val_2)); } } }
private static QImage warpImage(QImage src, int warp, int sign) { int w = src.width(); int ppl = src.bytesPerLine() / 4; int srch = src.height(); int desth = srch + warp; QImage dest = new QImage(w, desth, QImage.Format.Format_ARGB32_Premultiplied); dest.fill(0); QNativePointer sbits = src.bits(); QNativePointer dbits = dest.bits(); sbits.setVerificationEnabled(false); dbits.setVerificationEnabled(false); double r = w / 2.0; int extra_offset = sign >= 0 ? 0 : warp; for (int x = 0; x < w; ++x) { int oset = (int) (((Math.sqrt(Math.abs(r * r - (x - r) * (x - r)))) * sign / r) * warp); for (int y = 0; y < srch; ++y) { int p = sbits.intAt(y * ppl + x); dbits.setIntAt(((y + oset + extra_offset) * ppl) + x, p); } } return dest; }