#ifndef MESHUTILS_H

#define MESHUTILS_H

#undef DVAPI

#undef DVVAR

#ifdef TNZEXT_EXPORTS

#define DVAPI DV_EXPORT_API

#define DVVAR DV_EXPORT_VAR

#else

#define DVAPI DV_IMPORT_API

#define DVVAR DV_IMPORT_VAR

#endif

//=======================================================================

//    Forward Declarations

class TMeshImageP;

struct DrawableTextureData;

struct PlasticDeformerDataGroup;

//=======================================================================

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

//    Mesh Image Utility  functions

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

/*!

  \brief    Transforms a mesh image by the specified affine transform.

*/

DVAPI void transform(

	const TMeshImageP &image, //!< Mesh image to be transformed.

	const TAffine &aff		  //!< Affine transform to be applied on the input image.

	);

//---------------------------------------------------------------------------

/*!

  \brief    Draws the edges of the input meshImage on current OpenGL context.

  \remark   This function accepts input data associated to a deformation of

            the mesh image to be drawn. See PlasticDeformerStorage for details.

*/

DVAPI void tglDrawEdges(

	const TMeshImage &image,						  //!< Input mesh image whose edges will be drawn.

	const PlasticDeformerDataGroup *deformerDatas = 0 //!< Optional data about a deformation of the input image.

	);

//---------------------------------------------------------------------------

/*!

  \brief    Draws the faces of the input meshImage on current OpenGL context.

  \remark   This function accepts input data associated to a deformation of

            the mesh image to be drawn. See PlasticDeformerStorage for details.

*/

DVAPI void tglDrawFaces(

	const TMeshImage &image,						  //!< Input mesh image whose faces will be drawn.

	const PlasticDeformerDataGroup *deformerDatas = 0 //!< Optional data about a deformation of the input image.

	);

//---------------------------------------------------------------------------

/*!

  \brief    Draws the stacking order information of the input mesh image's

            faces, on current OpenGL context.

*/

DVAPI void tglDrawSO(

	const TMeshImage &image,						   //!< Input mesh image whose SO will be drawn.

	double minColor[4],								   //!< RGBM color quadruple (in [0, 1]) corresponding to the lowest SO value.

	double maxColor[4],								   //!< RGBM color quadruple corresponding to the highest SO value.

	const PlasticDeformerDataGroup *deformerDatas = 0, //!< Deformation data structure containing SO data.

	bool deformedDomain = false						   //!< Whether the image data must be drawn \a deformed

													   //!  by the specified deformerDatas, or not.

	);

//---------------------------------------------------------------------------

/*!

  \brief    Draws the \a rigidity information of the input mesh image's

            faces, on current OpenGL context.

*/

DVAPI void tglDrawRigidity(

	const TMeshImage &image,						   //!< Input mesh image whose rigidity will be drawn.

	double minColor[4],								   //!< RGBM color quadruple (in [0, 1]) corresponding to the lowest rigidity value.

	double maxColor[4],								   //!< RGBM color quadruple corresponding to the highest rigidity value.

	const PlasticDeformerDataGroup *deformerDatas = 0, //!< Data structure of an optional deformation of the input image.

	bool deformedDomain = false						   //!< Whether the image data must be drawn \a deformed

													   //!  by the specified deformerDatas, or not.

	);

//---------------------------------------------------------------------------

/*!

  \brief    Draws a texturized mesh image on current OpenGL context.

  \remark   The input textures are assumed to be \a nonpremultiplied,

            while the drawn image will be \a premultiplied.

*/

DVAPI void tglDraw(

	const TMeshImage &image,					  //!< Mesh image to be drawn.

	const DrawableTextureData &texData,			  //!< Textures data to use for texturing.

	const TAffine &meshToTexAffine,				  //!< Transform from mesh to texture coordinates.

	const PlasticDeformerDataGroup &deformerDatas //!< Data structure of a deformation of the input image.

	);

#endif // MESHUTILS_H