void FFTGrid3D<T>::Convolve(FFTGrid3D<T> &filter)
{
DoFFT();
filter.DoFFT();
for(size_t i = 0; i < GetComplexNI()*GetComplexNJ()*GetComplexNK(); i++)
{
complex_data_[i] *= filter.complex_data_[i];
}
DoInverseFFT();
}
void FFTGrid3D<T>::ConvolveCovariance(FFTGrid3D<T> &filter)
{
DoFFT();
filter.DoFFT();
for(size_t i = 0; i < GetComplexNI()*GetComplexNJ()*GetComplexNK(); i++)
{
complex_data_[i] *= std::sqrt(filter.complex_data_[i]);
}
DoInverseFFT();
}
//---------------------------------------------------------------------------
void DrawFFTGraph(const FFTGraphParam & param)
{
GetVisBuffer(param.sb, 2048, 1, 0);
DoFFT();
tjs_int type = 0;
static tjs_uint32 type_hint = 0;
type = GetValueFromOptions(param.options, L"type", &type_hint, type);
switch(type)
{
case 0: // winamp, fire風
{
#if 1
const static tjs_uint32 firecolors[16] =
{
0xff20ff00, 0xff40ff00, 0xff60ff00, 0xff80ff00,
0xffa0ff00, 0xffc0ff00, 0xffe0ff00, 0xffffff00,
0xffffe000, 0xffffc000, 0xffffa000, 0xffff8000,
0xffff6000, 0xffff4000, 0xffff2000, 0xffffff00
};
const tjs_uint32 peak_color = 0xff808080;
#else
/* あきさんモード */
const static tjs_uint32 firecolors[16] =
{
0xff11DDFF, 0xff11CCEE, 0xff11BBDD, 0xff11AACC,
0xff1199CC, 0xff1188BB, 0xff1177AA, 0xff0066AA,
0xff005599, 0xff004499, 0xff004488, 0xff003388,
0xff002277, 0xff001166, 0xff000066, 0xff000055
};
const tjs_uint32 peak_color = 0xff11eeff;
#endif
GetBandSpectrum(param.width, 3.7, -70, param.height - 1,
(param.height+15) / 16, 30, (param.height+31) / 32);
tjs_uint8 *lbstart = param.laybuf +
(param.top + param.height - 1) * param.laybufpitch +
param.left * sizeof(tjs_uint32);
for(int x = 0; x < param.width; x++)
{
tjs_uint8 *lb = lbstart + x * sizeof(tjs_uint32);
int y;
for(y = 0; y < BandData[x]; y ++)
{
int c = 15 - BandData[x] + y;
*(tjs_uint32*)lb = c < 0 ? 0xff00ff00 : firecolors[c];
lb -= param.laybufpitch;
}
for(; y < param.height; y++)
{
*(tjs_uint32*)lb = 0;
lb -= param.laybufpitch;
}
*(tjs_uint32*)
(lbstart + x * sizeof(tjs_uint32) - BandPeakData[x] * param.laybufpitch)
= peak_color;
}
}
break;
case 1: // LCD 風
{
tjs_int division = 16;
tjs_int thick = 2;
tjs_int oncolor = 0xff000000;
tjs_int offcolor = 0xffb0b0b0;
tjs_int bgcolor = 0xffc0c0c0;
tjs_int peakcolor = 0xff707070;
static tjs_uint32 hints[6];
division = GetValueFromOptions(param.options, L"division", hints + 0, division);
thick = GetValueFromOptions(param.options, L"thick", hints + 1, thick);
oncolor = GetValueFromOptions(param.options, L"oncolor", hints + 2, oncolor);
offcolor = GetValueFromOptions(param.options, L"offcolor", hints + 3, offcolor);
bgcolor = GetValueFromOptions(param.options, L"bgcolor", hints + 4, bgcolor);
peakcolor = GetValueFromOptions(param.options, L"peakcolor", hints + 5, peakcolor);
DrawBarGraph(param, division, thick, oncolor, offcolor, bgcolor, peakcolor);
}
break;
}
}
