ICompositeMesh.h

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/********************************************************************
*
*   Project     Artec 3D Scanning SDK
*
*   Purpose:    3D mesh interface implementation - geometry only and textured.
*
*   Copyright:  Artec Group
*
********************************************************************/

#ifndef _ICOMPOSITEMESH_H_
#define _ICOMPOSITEMESH_H_

#include <artec/sdk/base/BaseSdkDefines.h>
#include <artec/sdk/base/IMesh.h>

namespace artec { namespace sdk { namespace base
{

class ITexture;
class ICompositeMesh;

extern "C"
{

ErrorCode ABASESDK_LINK_SPEC
    createCompositeMesh(ICompositeMesh** mesh, int vertexCount = 0, int triangleCount = 0);

}

class ICompositeMesh : public IMesh
{
public: 
    /**
    *   Textures access
    */
    virtual bool isTextured() const = 0;
    virtual int getTexturesCount() const = 0;

    virtual void addTexture(ITexture* texture) = 0;
    virtual ITexture* getTexture(int index) const = 0;

    /**
    *   Texture index related functions
    *   Return texture status for i'th triangle of the mesh
    */
    virtual bool isTriangleTextured(int i) const = 0;

    /// Return texture for i'th triangle of the mesh. 
    /// @return For untextured triangles return empty ITexture object without IImage and UV coordinates
    virtual const ITexture* getTriangleTexture(int i) const = 0;

    /// Return triple texture coordinates for i'th triangle of the texture
    virtual TriangleUV getTriangleUV(int i) const = 0;

    /// Access other data
    virtual void getTexturedTriangles(const IArrayInt** triangleIndices, const IArrayInt** textureIndices) const = 0;
    virtual const IArrayInt* getUntexturedTriangles() const = 0;

    /// Collect textured triangles indices. 
    /// @param  clearEmpty - delete texture if UV coordinates or texture image empty.
    virtual ErrorCode validateTextures(bool clearEmpty = true) = 0;
};

} } } // namespace artec::sdk::base

#endif // _IPOLYMESH_H_