/usr/include/waili/LChannelR.h is in libwaili-dev 19990723-22.1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 | //
// LChannelR Class
//
// $Id: LChannelR.h,v 4.3.2.1.2.1 1999/07/20 16:15:44 geert Exp $
//
// Copyright (C) 1996-1999 Department of Computer Science, K.U.Leuven, Belgium
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
//
#ifndef WAILI_LCHANNELR_H
#define WAILI_LCHANNELR_H
#include <assert.h>
#include "Blit.h"
// Lifted Channel Class (lifted Rows)
class LChannelR : public LChannel {
friend class NTChannel;
public:
// Construction/Destruction
LChannelR(const Wavelet &filter);
LChannelR(const Wavelet &filter, u_int cols, u_int rows,
int offx, int offy);
LChannelR(const LChannelR &channel);
// Properties
virtual void GetMask(u_int &maskx, u_int &masky) const;
virtual TransformType GetTransformType(void) const;
u_int GetClow(void) const;
u_int GetChigh(void) const;
// Manipulation
virtual PixType &operator()(u_int c, u_int r);
virtual PixType operator()(u_int c, u_int r) const;
PixType *pixaddr(u_int c, u_int r);
virtual void Resize(u_int cols, u_int rows);
virtual LChannelR *Clone(void) const;
virtual void SetOffsetX(int offx);
virtual void SetOffsetY(int offy);
virtual void Add(const Channel &channel);
virtual void Subtract(const Channel &channel);
virtual LChannelR *Diff(const Channel &channel) const;
// Wavelet Transforms
virtual NTChannel *IFwt(int x1, int y1, int x2, int y2) const;
protected:
// Internal Wavelet Transform Steps
virtual void Lazy(const NTChannel &source);
virtual void ILazy(NTChannel &dest) const;
virtual void CakeWalk(void);
virtual void ICakeWalk(void);
void Zip(const LChannelR &channel);
// Wavelet Based Operations
virtual LChannelR *Crop_rec(int x1, int y1, int x2, int y2,
NTChannel *top, NTChannel *bottom,
NTChannel *left, NTChannel *right) const;
virtual void Merge_rec(const Channel *channel,
NTChannel *top, NTChannel *bottom,
NTChannel *left, NTChannel *right);
virtual Channel *DownScale(u_int s, const Wavelet &wavelet);
private:
NTChannel *CropMergeH(LChannelR *channel, int x1_l, int x1_h, int y1,
int x2_l, int x2_h, int y2);
static const char *rcsid;
};
/////////////////////////////////////////////////////////////////////////////
//
// Inline Member Functions
//
/////////////////////////////////////////////////////////////////////////////
inline LChannelR::LChannelR(const Wavelet &filter)
: LChannel(filter, 2)
{
Shifts[SubBand_L] = filter.GetShiftL();
Shifts[SubBand_H] = filter.GetShiftH();
}
inline TransformType LChannelR::GetTransformType(void) const
{
return(TT_Rows);
}
inline u_int LChannelR::GetClow(void) const
{
assert(SubBands[SubBand_L] != NULL);
return(SubBands[SubBand_L]->GetCols());
}
inline u_int LChannelR::GetChigh(void) const
{
assert(SubBands[SubBand_H] != NULL);
return(SubBands[SubBand_H]->GetCols());
}
inline PixType &LChannelR::operator()(u_int c, u_int r)
{
Channel *channel;
#ifdef BOUNDS_CHECK
assert(c < Cols);
assert(r < Rows);
#endif // BOUNDS_CHECK
if (c < GetClow())
channel = SubBands[0];
else {
c -= GetClow();
channel = SubBands[1];
}
#ifdef BOUNDS_CHECK
assert(channel != NULL);
#endif // BOUNDS_CHECK
return((*channel)(c, r));
}
inline PixType LChannelR::operator()(u_int c, u_int r) const
{
Channel *channel;
#ifdef BOUNDS_CHECK
assert(c < Cols);
assert(r < Rows);
#endif // BOUNDS_CHECK
if (c < GetClow())
channel = SubBands[0];
else {
c -= GetClow();
channel = SubBands[1];
}
#ifdef BOUNDS_CHECK
assert(channel != NULL);
#endif // BOUNDS_CHECK
return((*channel)(c, r));
}
inline PixType *LChannelR::pixaddr(u_int c, u_int r)
{
Channel *channel;
#ifdef BOUNDS_CHECK
assert(c < Cols);
assert(r < Rows);
#endif // BOUNDS_CHECK
if (c < GetClow())
channel = SubBands[0];
else {
c -= GetClow();
channel = SubBands[1];
}
#ifdef BOUNDS_CHECK
assert(channel != NULL);
#endif // BOUNDS_CHECK
return channel->pixaddr(c, r);
}
inline LChannelR *LChannelR::Clone(void) const
{
return(new LChannelR(*this));
}
#endif // WAILI_LCHANNELR_H
|