You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
63 lines
2.1 KiB
63 lines
2.1 KiB
1 year ago
|
#ifndef IGL_OPENGL_GLFW_MAP_TEXTURE_H
|
||
|
|
#define IGL_OPENGL_GLFW_MAP_TEXTURE_H
|
||
|
|
|
||
|
|
#include "../../igl_inline.h"
|
||
|
|
#include <Eigen/Core>
|
||
|
|
#include <vector>
|
||
|
|
|
||
|
|
namespace igl
|
||
|
|
{
|
||
|
|
namespace opengl
|
||
|
|
{
|
||
|
|
namespace glfw
|
||
|
|
{
|
||
|
|
/// Given a mesh (V,F) in [0,1]² and new positions (U) and a texture image
|
||
|
|
/// (in_data), _render_ a new image (out_data) of the same size.
|
||
|
|
/// @param[in] V #V by 2 list of undeformed mesh vertex positions ∈ [0,1]²
|
||
|
|
/// @param[in] F #F by 3 list of mesh triangle indices into V
|
||
|
|
/// @param[in] U #U by 2 list of deformed vertex positions ∈ [0,1]²
|
||
|
|
/// @param[in] in_data w*h*nc array of color values, channels, then columns, then
|
||
|
|
/// rows (e.g., what stbi_image returns and expects)
|
||
|
|
/// @param[in] w width
|
||
|
|
/// @param[in] h height
|
||
|
|
/// @param[in] nc number of channels
|
||
|
|
/// @param[out] out_data h*w*nc list of output colors in same order as input
|
||
|
|
/// @param[out] out_w width of output image
|
||
|
|
/// @param[out] out_h height of output image
|
||
|
|
/// @param[out] out_nc number of channels of output image
|
||
|
|
///
|
||
|
|
/// \pre Seems like w,h should be equal.
|
||
|
|
template <typename DerivedV, typename DerivedF, typename DerivedU>
|
||
|
|
IGL_INLINE bool map_texture(
|
||
|
|
const Eigen::MatrixBase<DerivedV> & _V,
|
||
|
|
const Eigen::MatrixBase<DerivedF> & _F,
|
||
|
|
const Eigen::MatrixBase<DerivedU> & _U,
|
||
|
|
const unsigned char * in_data,
|
||
|
|
const int w,
|
||
|
|
const int h,
|
||
|
|
const int nc,
|
||
|
|
std::vector<unsigned char> & out_data,
|
||
|
|
int & out_w,
|
||
|
|
int & out_h,
|
||
|
|
int & out_nc);
|
||
|
|
/// \overload
|
||
|
|
template <typename DerivedV, typename DerivedF, typename DerivedU>
|
||
|
|
IGL_INLINE bool map_texture(
|
||
|
|
const Eigen::MatrixBase<DerivedV> & V,
|
||
|
|
const Eigen::MatrixBase<DerivedF> & F,
|
||
|
|
const Eigen::MatrixBase<DerivedU> & U,
|
||
|
|
const unsigned char * in_data,
|
||
|
|
const int w,
|
||
|
|
const int h,
|
||
|
|
const int nc,
|
||
|
|
std::vector<unsigned char> & out_data);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
#ifndef IGL_STATIC_LIBRARY
|
||
|
|
# include "map_texture.cpp"
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#endif
|