testimage.h

A tutorial and open source code for finding edges and corners based on the filters used in primary v

// TestImage.h
/*
** Copyright (C) 2000 Tyler C. Folsom
**
** Permission to use, copy, modify, and distribute this software and its
** documentation for any purpose and without fee is hereby granted, provided
** that the above copyright notice appear in all copies and that both that
** copyright notice and this permission notice appear in supporting
** documentation.  This software is provided "as is" without express or
** implied warranty.
*/

#ifndef TESTIMAGE_H
#define TESTIMAGE_H

#ifndef __VIS_INC_DISPLAY_H__
#include "VisDisplay.h"
#endif

class CTestImage : public CVisByteImage
{
public:
    CTestImage( int width, int height) : CVisByteImage( width, height )
    {}
    void MakeEdge( int contrast );
    void MakeBar( int contrast, int barWidth);
    void MakeCorner( int contrast );
    void Rotate(int degrees);
    void AddNoise( float sigma);
private:
    float normal_rv (float mean, float sigma);
    void Warp
    (   CTestImage& newImage,
        double rot = 0.0, // Rotation (degrees)
        double h1 = 0, double h2 = 0, // Translation (pixels from image center)
        double scale = 1.0,  // scale factor: new height / old height
        double tilt_ax = 0.0, // Tilt axis (degrees)
        double tilt = 0.0    // Tilt angle (degrees)
    );
    void angles_matrix
    (   double scale, double rotat, double tilt_axis, 
        double tilt_angle, double *matrix);
    void invert( double *matrix, double *inverse);
    void CTestImage::warp_it( CTestImage& newImage, double matrix[4], double h1, 
        double h2);

};
#endif // TESTIMAGE_H