#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 <I>stacking order</I> 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