/usr/include/waili/Image.h is in libwaili-dev 19990723-22.1+b2.
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// Image Class
//
// $Id: Image.h,v 4.6.2.3.2.1 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_IMAGE_H
#define WAILI_IMAGE_H
#include <assert.h>
#include <sstream>
#include "Channel.h"
#include "Util.h"
// Image Types and File Types
enum ImageType {
IT_Unknown, IT_Mono, IT_CIEY, IT_CIEL, IT_RGB, IT_CIEXYZ, IT_CIELab,
IT_YUV, IT_YUVr
};
enum ImageFormat {
IF_AUTO, IF_PNMASCII, IF_PNMRAW
#ifdef SUPPORT_TIFF
, IF_TIFF
#endif // SUPPORT_TIFF
};
// Image Class
class Image {
public:
// Construction/Destruction
Image();
Image(u_int channels);
Image(u_int cols, u_int rows, u_int channels = 1);
Image(const u_int cols[], const u_int rows[], u_int channels);
Image(const Channel &channel, u_int channels = 1);
Image(const Channel *channel[], u_int channels);
Image(const Image &im);
Image(u_int cols, u_int rows, const TransformDescriptor transform[],
u_int depth, u_int channels = 1);
~Image();
// Import/Export of Images
ImageType Import(const char *filename, ImageFormat type = IF_AUTO);
void Export(const char *filename, ImageFormat type = IF_AUTO);
// Image Conversion
void Convert(ImageType from, ImageType to);
// Properties
u_int GetChannels(void) const;
u_int GetCols(u_int channel) const;
u_int GetRows(u_int channel) const;
int GetOffsetX(void) const;
int GetOffsetY(void) const;
// Manipulation
Channel*& operator[](u_int channel);
Channel*& operator[](u_int channel) const;
PixType& operator()(u_int c, u_int r, u_int ch = 0);
const PixType operator()(u_int c, u_int r, u_int ch = 0) const;
void Clear(void);
void Resize(u_int cols, u_int rows);
void Resize(u_int cols, u_int rows, u_int channels);
Image& operator=(const Image &im);
Image *Clone(void) const;
void SetOffsetX(int offx);
void SetOffsetY(int offy);
Image *Crop(int x1, int y1, int x2, int y2) const;
void Merge(const Image &im);
void Add(const Image &im);
void Subtract(const Image &im);
Image *Diff(const Image &im) const;
void InsertChannel(const Channel &data, u_int ch);
void DeleteChannel(u_int channel);
// Wavelet Transforms
void Fwt(const TransformDescriptor transform[], u_int depth);
void IFwt(void);
void RedundantFwt(const Wavelet &wavelet, TransformType type);
// Wavelet Based Operations
void Scale(f32 scale, const Wavelet &wavelet);
private:
// Low-level Image Import/Export
ImageType ImportPNM(const char *filename);
ImageType ImportTIFF(const char *filename);
void ExportPNM(const char *filename, int raw);
protected:
u_int NumChannels;
Channel **Channels;
private:
static const char *rcsid;
};
/////////////////////////////////////////////////////////////////////////////
//
// Inline Member Functions
//
/////////////////////////////////////////////////////////////////////////////
inline Image::Image()
: NumChannels(0), Channels(NULL)
{}
inline Image::Image(u_int channels)
: NumChannels(channels), Channels(NULL)
{
Channels = new Channel *[NumChannels];
::Clear(Channels, NumChannels);
}
inline Channel*& Image::operator[](u_int channel) const
{
#ifdef BOUNDS_CHECK
assert(channel < NumChannels);
#endif // BOUNDS_CHECK
return(Channels[channel]);
}
inline Channel*& Image::operator[](u_int channel)
{
#ifdef BOUNDS_CHECK
assert(channel < NumChannels);
#endif // BOUNDS_CHECK
return(Channels[channel]);
}
inline u_int Image::GetChannels(void) const
{
return(NumChannels);
}
inline u_int Image::GetCols(u_int channel) const
{
#ifdef BOUNDS_CHECK
assert(channel < NumChannels);
#endif // BOUNDS_CHECK
assert(Channels[channel] != NULL);
return(Channels[channel]->GetCols());
}
inline u_int Image::GetRows(u_int channel) const
{
#ifdef BOUNDS_CHECK
assert(channel < NumChannels);
#endif // BOUNDS_CHECK
assert(Channels[channel] != NULL);
return(Channels[channel]->GetRows());
}
inline int Image::GetOffsetX(void) const
{
assert(Channels[0] != NULL);
return(Channels[0]->GetOffsetX());
}
inline int Image::GetOffsetY(void) const
{
assert(Channels[0] != NULL);
return(Channels[0]->GetOffsetY());
}
inline PixType& Image::operator()(u_int c, u_int r, u_int ch)
{
return((*(*this)[ch])(c, r));
}
inline const PixType Image::operator()(u_int c, u_int r, u_int ch) const
{
return((*(*this)[ch])(c, r));
}
inline void Image::Clear(void)
{
for (u_int ch = 0; ch < NumChannels; ch++)
(*this)[ch]->Clear();
}
inline void Image::Resize(u_int cols, u_int rows)
{
for (u_int ch = 0; ch < NumChannels; ch++)
(*this)[ch]->Resize(cols, rows);
}
inline Image *Image::Clone(void) const
{
return(new Image(*this));
}
inline void Image::SetOffsetX(int offx)
{
for (u_int ch = 0; ch < NumChannels; ch++)
(*this)[ch]->SetOffsetX(offx);
}
inline void Image::SetOffsetY(int offy)
{
for (u_int ch = 0; ch < NumChannels; ch++)
(*this)[ch]->SetOffsetY(offy);
}
inline Image *Image::Crop(int x1, int y1, int x2, int y2) const
{
Image *im = new Image(NumChannels);
for (u_int ch = 0; ch < NumChannels; ch++)
(*im)[ch] = (*this)[ch]->Crop(x1, y1, x2, y2);
return(im);
}
inline void Image::Merge(const Image &im)
{
assert(im.GetChannels() == NumChannels);
for (u_int ch = 0; ch < NumChannels; ch++)
(*this)[ch]->Merge(*im[ch]);
}
inline void Image::Add(const Image &im)
{
assert(im.GetChannels() == NumChannels);
for (u_int ch = 0; ch < NumChannels; ch++)
(*this)[ch]->Add(*im[ch]);
}
inline void Image::Subtract(const Image &im)
{
assert(im.GetChannels() == NumChannels);
for (u_int ch = 0; ch < NumChannels; ch++)
(*this)[ch]->Subtract(*im[ch]);
}
inline Image *Image::Diff(const Image &im) const
{
assert(im.GetChannels() == NumChannels);
Image *diff = new Image(NumChannels);
for (u_int ch = 0; ch < NumChannels; ch++)
(*diff)[ch] = (*this)[ch]->Diff(*im[ch]);
return(diff);
}
#endif // WAILI_IMAGE_H
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