void MainViewer::setImgData(std::string fName)
{
// set img data
if (!nii_img)
{
nii_img = new NiiLoader(fName.c_str());
setImgData(nii_img);
}
else
{
std::cout<<"Warning: image data ptr isn't null\n";
}
}
ImageSlice::ImageSlice(vtkSmartPointer<vtkImageData> data, std::string orient, vtkSmartPointer<vtkRenderer> mainWin_renderer, bool img)
{
setImgData(data);
setOrient(orient);
setRenderer(mainWin_renderer);
if (img)
{
setImgCamera();
setParallel(true);
}
else
{
setParallel(false);
renderer->ResetCamera();
}
}
IplImage* FeatPyramid::resize (const IplImage *mxsrc, const float mxscale)
{
float *src = getImgData <float> (mxsrc);
int sdims[3];
getDimensions(mxsrc, sdims);
float scale = mxscale;
if (scale > 1.0)
cout << "Invalid scaling factor" << endl;
int ddims[3];
ddims[0] = (int)round(sdims[0]*scale);
ddims[1] = (int)round(sdims[1]*scale);
ddims[2] = sdims[2];
assert (ddims[0] > 0);
assert (ddims[1] > 0);
CvSize size = cvSize(ddims[1], ddims[0]);
IplImage *mxdst = cvCreateImage (size, IPL_DEPTH_32F, 3);
assert (mxdst != NULL);
assert (ddims[2] > 0);
float *dst = new float [ddims[0] * ddims[1] * ddims[2]];
assert (dst != NULL);
for (int l = 0; l < ddims[0] * ddims[1] * ddims[2]; l++)
dst[l] = 0;
assert (sdims[1] > 0);
assert (sdims[2] > 0);
float *tmp = new float [ddims[0] * sdims[1] * sdims[2]];
assert (tmp != NULL);
for (int l = 0; l < ddims[0] * sdims[1] * sdims[2]; l++)
tmp[l] = 0;
resize1dtran(src, sdims[0], tmp, ddims[0], sdims[1], sdims[2]);
resize1dtran(tmp, sdims[1], dst, ddims[1], ddims[0], sdims[2]);
setImgData (mxdst, dst);
delete[] src;
delete[] dst;
delete[] tmp;
return mxdst;
}