TextureControl1DTextureHandlingT_impl.hh

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#define TEXTURECONTROL_1D_TEXTURE_HANDLING_C
 
#include "TextureControl.hh"
#include "TextureMath.hh"
 
template< typename MeshT >
void TextureControlPlugin::copyTexture ( Texture& _texture , MeshT& _mesh, OpenMesh::VPropHandleT< double > _texProp )
{
  // Compute the minimal and maximal values for this texture
  double max = -FLT_MIN;
  double min =  FLT_MAX;
 
 
  // Compute minimal and maximal value of the coordinates
  // Keep track of absolute values!
  for (auto v_it : _mesh.vertices()) {
 
      max = std::max( _mesh.property(_texProp,v_it) , max);
      min = std::min( _mesh.property(_texProp,v_it) , min);
 
  }
 
 
  if ( !_mesh.has_vertex_texcoords2D() )
    _mesh.request_vertex_texcoords2D();
  
  TextureMath convert(_texture.parameters,min,max);
 
  for (auto v_it : _mesh.vertices()) {
    // Get the value of the property
    double value = _mesh.property(_texProp, v_it);
 
    // Mangle it with the predefined user options (including absolute, clamping, ...)
    value = convert.transform(value);
    
    // Write result to the OpenMesh texture coordinates ( 2d accessing the diagonal of a 2d texture)
    _mesh.set_texcoord2D( v_it, ACG::Vec2f(float(value), float(value) ) );
  }
}
 
template< typename MeshT >
void TextureControlPlugin::copyTexture ( Texture& _texture , MeshT& _mesh, OpenMesh::HPropHandleT< double > _texProp )
{
  // Compute the minimal and maximal values for this texture
  double max = -FLT_MIN;
  double min =  FLT_MAX;
 
  // Compute minimal and maximal value of the coordinates
  // Keep track of absolute values!
  for (auto h_it : _mesh.halfedges()) {
 
      max = std::max( _mesh.property(_texProp,h_it) , max);
      min = std::min( _mesh.property(_texProp,h_it) , min);
 
  }
 
  if ( !_mesh.has_halfedge_texcoords2D() )
    _mesh.request_halfedge_texcoords2D();
  
  TextureMath convert(_texture.parameters,min,max);
 
  for (auto h_it : _mesh.halfedges()) {
 
    // Get the value of the property
    double value = _mesh.property(_texProp, h_it);
    
    // Mangle it with the predefined user options (including absolute, clamping, ...)
    value = convert.transform(value);
    
    // Write result to the OpenMesh texture coordinates ( 2d accessing the diagonal of a 2d texture)
    _mesh.set_texcoord2D( h_it, ACG::Vec2f(float(value), float(value) ) );
  }
}