Example #1
0
void binary_save(const blitz::Array<T,n> & M,std::string filename)
{
  T z;assert(M.isStorageContiguous());
  std::stringstream f;M.dumpStructureInformation(f);
  std::ofstream out(filename.c_str(),std::ios::binary);
  std::string s = f.str();int i=int(s.length())+1;char c='1';
  out.write( (char*) &i,sizeof(i));
  out.write( (s.c_str()) ,i*sizeof(c));  
  out.write( (char*)M.dataFirst(),M.numElements()*sizeof(z));
}
Example #2
0
void binary_load(blitz::Array<T,n> & M,std::string filename)
{
  assert(M.isStorageContiguous());T z;
  std::ifstream out(filename.c_str(),std::ios::binary);
  int i;char c='1';
  out.read( (char*) &i,sizeof(i));
  char *st = new char[i+1];
  out.read( st ,i*sizeof(c)); std::string s(st); 
  std::stringstream f;  M.dumpStructureInformation(f);
  if (f.str() != s) FATAL("Can not load binary : array do not conform. Structure (file vs array)"<<s<<"----"<<f.str());
  out.read( (char*)M.dataFirst(),M.numElements()*sizeof(z));
}
Example #3
0
void display( void)
{
	glClear( GL_COLOR_BUFFER_BIT);

	glRasterPos2i( 0, 0);
	
	switch( disp)
	{
		case display_a:
			glDrawPixels( image.cols(), image.rows(), GL_LUMINANCE, GL_FLOAT, alpha.dataFirst());
		break;
		
		case display_bg:
			glDrawPixels( image.cols(), image.rows(), GL_RGB, GL_FLOAT, bg.dataFirst());
		break;

		case display_fg:
			glDrawPixels( image.cols(), image.rows(), GL_RGB, GL_FLOAT, fg.dataFirst());
		break;

		case display_comp:
			glDrawPixels( image.cols(), image.rows(), GL_RGB, GL_FLOAT, comp.dataFirst());
		break;
		
		case display_img:
			glDrawPixels( image.cols(), image.rows(), GL_RGB, GL_FLOAT, image.dataFirst());
		break;
		
		case display_tri:
			glDrawPixels( image.cols(), image.rows(), GL_LUMINANCE, GL_UNSIGNED_BYTE, trimap.dataFirst());
		break;
	}
	
	glutSwapBuffers();
}
Example #4
0
void convert2rgb( blitz::Array<Imath::Color3f,2>& img)
{
vigra::BasicImageView<vigra::TinyVector<float,3> > img_view( (vigra::TinyVector<float,3> *) img.dataFirst(), img.cols(), img.rows());

	for( int j=0;j<img.rows();++j)
		for( int i=0;i<img.cols();++i)
			img( j, i) *= lab_scale;

	vigra::transformImage( vigra::srcImageRange( img_view), vigra::destImage( img_view), vigra::Lab2RGBFunctor<float>( 1.0f));
}