** This is part of the CTSim program
** Copyright (c) 1983-2001 Kevin Rosenberg
**
-** $Id: imagefile.cpp,v 1.41 2001/03/18 18:08:25 kevin Exp $
+** $Id: imagefile.cpp,v 1.42 2001/03/21 21:45:31 kevin Exp $
**
** This program is free software; you can redistribute it and/or modify
** it under the terms of the GNU General Public License (version 2) as
void
-ImageFile::filterResponse (const char* const domainName, double bw, const char* const filterName, double filt_param, double dInputScale, double dOutputScale)
+ImageFile::filterResponse (const char* const domainName, double bw, const char* const filterName,
+ double filt_param, double dInputScale, double dOutputScale)
{
ImageFileArray v = getArray();
SignalFilter filter (filterName, domainName, bw, filt_param);
}
}
-int
-ImageFile::display (void) const
-{
- double pmin, pmax;
-
- getMinMax (pmin, pmax);
-
- return (displayScaling (1, pmin, pmax));
-}
-
-int
-ImageFile::displayScaling (const int scale, const ImageFileValue pmin, const ImageFileValue pmax) const
-{
- int nx = m_nx;
- int ny = m_ny;
- ImageFileArrayConst v = getArray();
- if (v == NULL || nx == 0 || ny == 0)
- return 0;
-
-#if HAVE_G2_H
- int* pPens = new int [nx * ny * scale * scale ];
-
- double view_scale = 255 / (pmax - pmin);
- int id_X11 = g2_open_X11 (nx * scale, ny * scale);
- int grayscale[256];
- for (int i = 0; i < 256; i++) {
- double cval = i / 255.;
- grayscale[i] = g2_ink (id_X11, cval, cval, cval);
- }
-
- for (int iy = ny - 1; iy >= 0; iy--) {
- int iRowPos = ((ny - 1 - iy) * scale) * (nx * scale);
- for (int ix = 0; ix < nx; ix++) {
- int cval = static_cast<int>((v[ix][iy] - pmin) * view_scale);
- if (cval < 0)
- cval = 0;
- else if (cval > 255)
- cval = 255;
- for (int sy = 0; sy < scale; sy++)
- for (int sx = 0; sx < scale; sx++)
- pPens[iRowPos+(sy * nx * scale)+(sx + (ix * scale))] = grayscale[cval];
- }
- }
-
- g2_image (id_X11, 0., 0., nx * scale, ny * scale, pPens);
-
- delete pPens;
- return (id_X11);
-#else
- return 0;
-#endif
-}
-
-
// ImageFile::comparativeStatistics Calculate comparative stats
//
ImageFileArray vResult = result.getArray();
ImageFileArray vResultImag = result.getImaginaryArray();
+ BilinearInterpolator<ImageFileValue> realInterp (vReal, nx, ny);
+ BilinearInterpolator<ImageFileValue> imagInterp (vImag, nx, ny);
+
for (unsigned int ix = 0; ix < newNX; ix++) {
for (unsigned int iy = 0; iy < newNY; iy++) {
double dXPos = ix / dXScale;
double dYPos = iy / dYScale;
- unsigned int scaleNX = static_cast<unsigned int> (dXPos);
- unsigned int scaleNY = static_cast<unsigned int> (dYPos);
- double dXFrac = dXPos - scaleNX;
- double dYFrac = dYPos - scaleNY;
- if (scaleNX >= nx - 1 || scaleNY >= ny - 1) {
- vResult[ix][iy] = vReal[scaleNX][scaleNY];
- if (result.isComplex()) {
- if (isComplex())
- vResultImag[ix][iy] = vImag[scaleNX][scaleNY];
- else
- vResultImag[ix][iy] = 0;
- }
- } else {
- vResult[ix][iy] = (1 - dXFrac) * (1 - dYFrac) * vReal[scaleNX][scaleNY] +
- dXFrac * (1 - dYFrac) * vReal[scaleNX+1][scaleNY] +
- dYFrac * (1 - dXFrac) * vReal[scaleNX][scaleNY+1] +
- dXFrac * dYFrac * vReal[scaleNX+1][scaleNY+1];
- if (result.isComplex()) {
- if (isComplex())
- vResultImag[ix][iy] = (1 - dXFrac) * (1 - dYFrac) * vImag[scaleNX][scaleNY] +
- dXFrac * (1 - dYFrac) * vImag[scaleNX+1][scaleNY] +
- dYFrac * (1 - dXFrac) * vImag[scaleNX][scaleNY+1] +
- dXFrac * dYFrac * vImag[scaleNX+1][scaleNY+1];
- else
- vResultImag[ix][iy] = 0;
- }
- }
+ vResult[ix][iy] = realInterp.interpolate (dXPos, dYPos);
+ if (result.isComplex())
+ if (isComplex())
+ vResultImag[ix][iy] = imagInterp.interpolate (dXPos, dYPos);
+ else
+ vResultImag[ix][iy] = 0;
}
}
-
+
return true;
}
unsigned int ix, iy;
unsigned int iArray = 0;
- for (ix = 0; ix < m_nx; ix++)
+ for (ix = 0; ix < m_nx; ix++) {
for (iy = 0; iy < m_ny; iy++) {
in[iArray].re = vReal[ix][iy];
if (isComplex())
in[iArray].im = 0;
iArray++;
}
-
- fftwnd_plan plan = fftw2d_create_plan (m_nx, m_ny, FFTW_FORWARD, FFTW_IN_PLACE);
-
- fftwnd_one (plan, in, NULL);
-
- ImageFileArray vRealResult = result.getArray();
- ImageFileArray vImagResult = result.getImaginaryArray();
- iArray = 0;
- unsigned int iScale = m_nx * m_ny;
- for (ix = 0; ix < m_nx; ix++)
- for (iy = 0; iy < m_ny; iy++) {
- vRealResult[ix][iy] = in[iArray].re / iScale;
- vImagResult[ix][iy] = in[iArray].im / iScale;
- iArray++;
- }
-
- fftwnd_destroy_plan (plan);
- delete in;
-
-
- Fourier::shuffleFourierToNaturalOrder (result);
-
- return true;
+ }
+
+ fftwnd_plan plan = fftw2d_create_plan (m_nx, m_ny, FFTW_FORWARD, FFTW_IN_PLACE | FFTW_ESTIMATE | FFTW_USE_WISDOM);
+ fftwnd_one (plan, in, NULL);
+
+ ImageFileArray vRealResult = result.getArray();
+ ImageFileArray vImagResult = result.getImaginaryArray();
+ iArray = 0;
+ unsigned int iScale = m_nx * m_ny;
+ for (ix = 0; ix < m_nx; ix++) {
+ for (iy = 0; iy < m_ny; iy++) {
+ vRealResult[ix][iy] = in[iArray].re / iScale;
+ vImagResult[ix][iy] = in[iArray].im / iScale;
+ iArray++;
+ }
+ }
+ delete in;
+ fftwnd_destroy_plan (plan);
+
+ Fourier::shuffleFourierToNaturalOrder (result);
+
+ return true;
}
ImageFileArray vRealResult = result.getArray();
ImageFileArray vImagResult = result.getImaginaryArray();
unsigned int ix, iy;
- for (ix = 0; ix < m_nx; ix++)
+ for (ix = 0; ix < m_nx; ix++) {
for (iy = 0; iy < m_ny; iy++) {
vRealResult[ix][iy] = vReal[ix][iy];
if (isComplex())
else
vImagResult[ix][iy] = 0;
}
-
- Fourier::shuffleNaturalToFourierOrder (result);
-
- fftw_complex* in = new fftw_complex [m_nx * m_ny];
-
- unsigned int iArray = 0;
- for (ix = 0; ix < m_nx; ix++)
- for (iy = 0; iy < m_ny; iy++) {
- in[iArray].re = vRealResult[ix][iy];
- in[iArray].im = vImagResult[ix][iy];
- iArray++;
- }
-
- fftwnd_plan plan = fftw2d_create_plan (m_nx, m_ny, FFTW_BACKWARD, FFTW_IN_PLACE);
-
- fftwnd_one (plan, in, NULL);
-
- iArray = 0;
- for (ix = 0; ix < m_nx; ix++)
- for (iy = 0; iy < m_ny; iy++) {
- vRealResult[ix][iy] = in[iArray].re;
- vImagResult[ix][iy] = in[iArray].im;
- iArray++;
- }
-
- fftwnd_destroy_plan (plan);
-
- delete in;
-
- return true;
+ }
+
+ Fourier::shuffleNaturalToFourierOrder (result);
+
+ fftw_complex* in = new fftw_complex [m_nx * m_ny];
+
+ unsigned int iArray = 0;
+ for (ix = 0; ix < m_nx; ix++) {
+ for (iy = 0; iy < m_ny; iy++) {
+ in[iArray].re = vRealResult[ix][iy];
+ in[iArray].im = vImagResult[ix][iy];
+ iArray++;
+ }
+ }
+
+ fftwnd_plan plan = fftw2d_create_plan (m_nx, m_ny, FFTW_BACKWARD, FFTW_IN_PLACE | FFTW_ESTIMATE | FFTW_USE_WISDOM);
+
+ fftwnd_one (plan, in, NULL);
+
+ iArray = 0;
+ for (ix = 0; ix < m_nx; ix++) {
+ for (iy = 0; iy < m_ny; iy++) {
+ vRealResult[ix][iy] = in[iArray].re;
+ vImagResult[ix][iy] = in[iArray].im;
+ iArray++;
+ }
+ }
+ fftwnd_destroy_plan (plan);
+
+ delete in;
+
+ return true;
}
bool
if (! result.convertRealToComplex ())
return false;
}
-
- fftw_complex* in = new fftw_complex [m_nx];
-
+
ImageFileArrayConst vReal = getArray();
ImageFileArrayConst vImag = getImaginaryArray();
- fftw_plan plan = fftw_create_plan (m_nx, FFTW_FORWARD, FFTW_IN_PLACE);
- std::complex<double>* pcRow = new std::complex<double> [m_nx];
-
- unsigned int ix, iy;
- unsigned int iArray = 0;
- for (iy = 0; iy < m_ny; iy++) {
+ fftw_plan plan = fftw_create_plan (m_nx, FFTW_FORWARD, FFTW_IN_PLACE | FFTW_ESTIMATE | FFTW_USE_WISDOM);
+
+ fftw_complex* in = new fftw_complex [m_nx];
+ std::complex<double>* pcRow = new std::complex<double> [m_nx];
+ for (int iy = 0; iy < m_ny; iy++) {
+ unsigned int ix;
for (ix = 0; ix < m_nx; ix++) {
in[ix].re = vReal[ix][iy];
if (isComplex())
ImageFileArrayConst vReal = getArray();
ImageFileArrayConst vImag = getImaginaryArray();
- fftw_plan plan = fftw_create_plan (m_nx, FFTW_BACKWARD, FFTW_IN_PLACE);
+ fftw_plan plan = fftw_create_plan (m_nx, FFTW_BACKWARD, FFTW_IN_PLACE | FFTW_ESTIMATE | FFTW_USE_WISDOM);
std::complex<double>* pcRow = new std::complex<double> [m_nx];
unsigned int ix, iy;
if (! result.convertRealToComplex ())
return false;
}
-
- fftw_complex* in = new fftw_complex [m_ny];
-
+
ImageFileArrayConst vReal = getArray();
ImageFileArrayConst vImag = getImaginaryArray();
- fftw_plan plan = fftw_create_plan (m_ny, FFTW_FORWARD, FFTW_IN_PLACE);
- std::complex<double>* pcCol = new std::complex<double> [m_ny];
-
- unsigned int ix, iy;
- unsigned int iArray = 0;
- for (ix = 0; ix < m_nx; ix++) {
+ fftw_plan plan = fftw_create_plan (m_ny, FFTW_FORWARD, FFTW_IN_PLACE | FFTW_ESTIMATE | FFTW_USE_WISDOM);
+
+ std::complex<double>* pcCol = new std::complex<double> [m_ny];
+ fftw_complex* in = new fftw_complex [m_ny];
+ for (int ix = 0; ix < m_nx; ix++) {
+ unsigned int iy;
for (iy = 0; iy < m_ny; iy++) {
in[iy].re = vReal[ix][iy];
if (isComplex())
ImageFileArrayConst vReal = getArray();
ImageFileArrayConst vImag = getImaginaryArray();
- fftw_plan plan = fftw_create_plan (m_ny, FFTW_BACKWARD, FFTW_IN_PLACE);
+ fftw_plan plan = fftw_create_plan (m_ny, FFTW_BACKWARD, FFTW_IN_PLACE | FFTW_ESTIMATE | FFTW_USE_WISDOM);
std::complex<double>* pcCol = new std::complex<double> [m_ny];
unsigned int ix, iy;
}
if (result.isComplex())
- result.convertComplexToReal();
+ result.reallocComplexToReal();
return true;
}
ImageFileArray vImag = getImaginaryArray();
ImageFileArray vRealResult = result.getArray();
- for (unsigned int ix = 0; ix < m_nx; ix++)
+ for (unsigned int ix = 0; ix < m_nx; ix++) {
for (unsigned int iy = 0; iy < m_ny; iy++) {
if (isComplex())
vRealResult[ix][iy] = ::atan2 (vImag[ix][iy], vReal[ix][iy]);
else
vRealResult[ix][iy] = 0;
}
+ }
+ if (result.isComplex())
+ result.reallocComplexToReal();
- if (result.isComplex())
- result.convertComplexToReal();
+ return true;
+}
+
+bool
+ImageFile::real (ImageFile& result) const
+{
+ if (m_nx != result.nx() || m_ny != result.ny()) {
+ sys_error (ERR_WARNING, "Difference sizes of images [ImageFile::invertPixelValues]");
+ return false;
+ }
+
+ ImageFileArray vReal = getArray();
+ ImageFileArray vRealResult = result.getArray();
+
+ for (unsigned int ix = 0; ix < m_nx; ix++) {
+ for (unsigned int iy = 0; iy < m_ny; iy++) {
+ vRealResult[ix][iy] = vReal[ix][iy];
+ }
+ }
+
+ if (result.isComplex())
+ result.reallocComplexToReal();
- return true;
+ return true;
+}
+
+bool
+ImageFile::imaginary (ImageFile& result) const
+{
+ if (m_nx != result.nx() || m_ny != result.ny()) {
+ sys_error (ERR_WARNING, "Difference sizes of images [ImageFile::invertPixelValues]");
+ return false;
+ }
+
+ ImageFileArray vImag = getArray();
+ ImageFileArray vRealResult = result.getArray();
+
+ for (unsigned int ix = 0; ix < m_nx; ix++) {
+ for (unsigned int iy = 0; iy < m_ny; iy++) {
+ if (isComplex())
+ vRealResult[ix][iy] = vImag[ix][iy];
+ else
+ vRealResult[ix][iy] = 0;
+ }
+ }
+
+ if (result.isComplex())
+ result.reallocComplexToReal();
+
+ return true;
}
bool
vResult[ix][iy] = vLHS[ix][iy] * vLHS[ix][iy];
}
}
-
-
+
return true;
}
} else
skipSpacePPM (fp); // ascii may have comments
+ bool bMonochromeImage = false;
double dMaxValue = iMaxValue;
+ double dMaxValue3 = iMaxValue * 3;
+
ImageFileArray v = getArray();
for (int iy = nRows - 1; iy >= 0; iy--) {
for (int ix = 0; ix < nCols; ix++) {
fclose(fp);
return false;
}
- dR = iR / dMaxValue;
- dG = iG / dMaxValue;
- dB = iB / dMaxValue;
- v[ix][iy] = colorToGrayscale (dR, dG, dB);
+ if (ix == 0 && iy == 0 && (iR == iG && iG == iB))
+ bMonochromeImage = true;
+ if (bMonochromeImage)
+ v[ix][iy] = (iR + iG + iB) / dMaxValue3;
+ else {
+ dR = iR / dMaxValue;
+ dG = iG / dMaxValue;
+ dB = iB / dMaxValue;
+ v[ix][iy] = colorToGrayscale (dR, dG, dB);
+ }
break;
case '6':
iR = fgetc(fp);
iG = fgetc(fp);
iB = fgetc(fp);
+
if (iB == EOF) {
fclose(fp);
return false;
}
- dR = iR / dMaxValue;
- dG = iG / dMaxValue;
- dB = iB / dMaxValue;
- v[ix][iy] = colorToGrayscale (dR, dG, dB);
+ if (ix == 0 && iy == 0 && (iR == iG && iG == iB))
+ bMonochromeImage = true;
+
+ if (bMonochromeImage)
+ v[ix][iy] = (iR + iG + iB) / dMaxValue3;
+ else {
+ dR = iR / dMaxValue;
+ dG = iG / dMaxValue;
+ dB = iB / dMaxValue;
+ v[ix][iy] = colorToGrayscale (dR, dG, dB);
+ }
break;
}
}
return bSuccess;
}
#endif
-
+
sys_error (ERR_SEVERE, "Invalid format %s [ImageFile::exportImage]", pszFormat);
return false;
}
int ny = m_ny;
ImageFileArray v = getArray();
ImageFileArray vImag = getImaginaryArray();
-
+
if ((fp = fopen (outfile, "w")) == NULL)
return false;
projects / ctsim.git / blobdiff