Home | History | Annotate | Download | only in IlmImf
      1 ///////////////////////////////////////////////////////////////////////////
      2 //
      3 // Copyright (c) 2002, Industrial Light & Magic, a division of Lucas
      4 // Digital Ltd. LLC
      5 //
      6 // All rights reserved.
      7 //
      8 // Redistribution and use in source and binary forms, with or without
      9 // modification, are permitted provided that the following conditions are
     10 // met:
     11 // *       Redistributions of source code must retain the above copyright
     12 // notice, this list of conditions and the following disclaimer.
     13 // *       Redistributions in binary form must reproduce the above
     14 // copyright notice, this list of conditions and the following disclaimer
     15 // in the documentation and/or other materials provided with the
     16 // distribution.
     17 // *       Neither the name of Industrial Light & Magic nor the names of
     18 // its contributors may be used to endorse or promote products derived
     19 // from this software without specific prior written permission.
     20 //
     21 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     22 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
     23 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
     24 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
     25 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     26 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
     27 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     28 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     29 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     30 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     31 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     32 //
     33 ///////////////////////////////////////////////////////////////////////////
     34 
     35 
     36 
     37 #ifndef INCLUDED_IMF_WAV_H
     38 #define INCLUDED_IMF_WAV_H
     39 
     40 //-----------------------------------------------------------------------------
     41 //
     42 //	16-bit Haar Wavelet encoding and decoding
     43 //
     44 //-----------------------------------------------------------------------------
     45 
     46 namespace Imf {
     47 
     48 
     49 void
     50 wav2Encode
     51     (unsigned short *in, // io: values in[y][x] are transformed in place
     52      int     nx,	 // i : x size
     53      int     ox,	 // i : x offset
     54      int     ny,	 // i : y size
     55      int     oy,	 // i : y offset
     56      unsigned short mx); // i : maximum in[x][y] value
     57 
     58 void
     59 wav2Decode
     60     (unsigned short *in, // io: values in[y][x] are transformed in place
     61      int     nx,	 // i : x size
     62      int     ox,	 // i : x offset
     63      int     ny,	 // i : y size
     64      int     oy,	 // i : y offset
     65      unsigned short mx); // i : maximum in[x][y] value
     66 
     67 
     68 } // namespace Imf
     69 
     70 #endif
     71