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#ifndef GEOGRAM_MESH_MESH_PARAM_PACKER
#define GEOGRAM_MESH_MESH_PARAM_PACKER

#include <geogram/basic/common.h>

/**
 * \file geogram/mesh/mesh_param_packer.h
 */

namespace GEO {

    class Mesh;

    /**
     * \brief Normalizes chart texture coordinates
     * \details Ensure that each chart has a texture area proportional
     *  to its 3D area.
     */
    void GEOGRAM_API pack_atlas_only_normalize_charts(Mesh& mesh);

    /**
     * \brief Packs an atlas using the xatlas library.
     * \details The mesh needs to have a parameterization
     *  stored in the tex_coord facet_corner attribute.
     * \param[in,out] mesh a reference to the mesh
     */
    void GEOGRAM_API pack_atlas_using_xatlas(Mesh& mesh);

    /**
     * \brief Packs an atlas using the tetris packer algorithm.
     * \details The mesh needs to have a parameterization
     *  stored in the tex_coord facet_corner attribute.
     *  The method is decribed in the following referene:
     *  - least squares mode: Least Squares Conformal Maps,
     *    Levy, Petitjean, Ray, Maillot, ACM SIGGRAPH, 2002
     * \param[in,out] mesh a reference to the mesh
     */
    void GEOGRAM_API pack_atlas_using_tetris_packer(Mesh& mesh);

    /****************************************************************/

}
#endif
