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/*
* Scilab ( http://www.scilab.org/ ) - This file is part of Scilab
* Copyright (C) 2010 - DIGITEO - Pierre Lando
*
* This file must be used under the terms of the CeCILL.
* This source file is licensed as described in the file COPYING, which
* you should have received as part of this distribution. The terms
* are also available at
* http://www.cecill.info/licences/Licence_CeCILL_V2.1-en.txt
*
*/
#ifndef DATA_LOADER_HXX
#define DATA_LOADER_HXX
#ifdef __cplusplus
extern "C"
{
#endif
typedef struct
{
void * address;
unsigned int size;
} JavaDirectBuffer;
/**
* Return the texture width for the given object.
* @param[in] the given object id.
* @return the texture width for the given object.
*/
int getTextureWidth(int id);
/**
* Return the texture height for the given object.
* @param[in] the given object id.
* @return the texture height for the given object.
*/
int getTextureHeight(int id);
/**
* Fill the given buffer with texture data.
* @param[in] the id of the object texture.
* @param[out] the buffer to fill.
* @param[in] the buffer length in number of elements.
* @return the length of writed data.
*/
int fillTextureData(int id, unsigned char* buffer, int bufferLength);
/**
* Fill the given buffer with sub-texture data.
* @param[in] the id of the object texture.
* @param[out] the buffer to fill.
* @param[in] the buffer length in number of elements.
* @param[in] the x-coordinate of the first pixel.
* @param[in] the y-coordinate of the first pixel.
* @param[in] the width of the sub-texture.
* @param[in] the length of the sub-texture.
* @return the length of writed data.
*/
int fillSubTextureData(int id, unsigned char* buffer, int bufferLength, int x, int y, int width, int height);
/**
* Return the number of data elements for the given object.
* @param[in] the given object id.
* @return the number of data elements.
*/
int getDataSize(int id);
/**
* Fill the given buffer with vertex data from the given object.
* @param[in] the id of the given object.
* @param[out] the buffer to fill.
* @param[in] the buffer length in number of elements.
* @param[in] the number of coordinate taken by one element in the buffer.
* @param[in] this byte mask specifies which coordinates are filled (1 for X, 2 for Y, 4 for Z).
* @param[in] the conversion scale factor to apply to data.
* @param[in] the conversion translation factor to apply to data.
* @param[in] the bit mask specifying whether logarithmic coordinates are used.
*/
void fillVertices(int id, float* buffer, int bufferLength, int elementsSize, int coordinateMask, double scale[], double translation[], int logMask);
/**
* Fill the given buffer with normal data from the given object.
* @param[in] the id of the given object.
* @param[in] the buffer with position data.
* @param[out] the buffer to fill.
* @param[in] the buffer length in number of elements.
* @param[in] the number of coordinate taken by one element in the buffer.
*/
void fillNormals(int id, float* position, float* buffer, int bufferLength, int elementsSize);
/**
* Fill the given buffer with color data from the given object.
* @param[in] the id of the given object.
* @param[in] the buffer to fill.
* @param[in] the buffer length in number of elements.
* @param[in] the number of coordinate taken by one element in the buffer (3 for RGB, 4 for RGBA).
*/
void fillColors(int id, float* buffer, int bufferLength, int elementsSize);
/**
* Fill the given buffer with texture coordinates data from the given object.
* @param[in] the id of the given object.
* @param[in] the buffer to fill.
* @param[in] the buffer length in number of elements.
*/
void fillTextureCoordinates(int id, float* buffer, int bufferLength);
/**
* Return the number of indices for the given object.
* @param[in] the given object id.
* @return the object's number of indices.
*/
int getIndicesSize(int id);
/**
* Fill the given buffer with indices data of the given object.
* @param[in] the id of the given object.
* @param[out] the buffer to fill.
* @param[in] the buffer length.
* @param[in] the bit mask specifying whether logarithmic coordinates are used.
* @return the number of indices actually written.
*/
int fillIndices(int id, int* buffer, int bufferLength, int logMask);
/**
* Return the number of indices for the wire of the given object.
* @param[in] the given object id.
* @return the object's number of indices.
*/
int getWireIndicesSize(int id);
/**
* Fill the given buffer with wire indices data of the given object.
* @param[in] the id of the given object.
* @param[out] the buffer to fill.
* @param[in] the buffer length.
* @param[in] the bit mask specifying whether logarithmic coordinates are used.
* @return the number of indices actually written.
*/
int fillWireIndices(int id, int* buffer, int bufferLength, int logMask);
/**
* Return the number of mark indices of the given object.
* @param[in] the given object id.
* @return the number of mark indices.
*/
int getMarkIndicesSize(int id);
/**
* Fill the given buffer with mark indices data of the given object.
* @param[in] the id of the given object.
* @param[out] the buffer to fill.
* @param[in] the buffer length.
* @return the number of indices actually written.
*/
int fillMarkIndices(int id, int* buffer, int bufferLength);
/**
* Get texture data of the given object.
* @param[in] the id of the given object.
* @return a JavaDirectBuffer struct which will be converted into a java.nio.ByteBuffer.
*/
JavaDirectBuffer getTextureData(int id);
/**
* Get texture image type of the given object.
* @param[in] id the id of the given object.
* @return the image type.
*/
int getTextureImageType(int id);
/**
* Get the Scilab data type associated with the texture of the given object.
* @param[in] id the id of the given object.
* @return the image type (0 for RGB, 1 for RGBA, 2 for GRAY).
*/
int getTextureDataType(int id);
/**
* Get texture OpenGL type of the given object.
* @param[in] id the id of the given object.
* @return the OpenGL type.
*/
int getTextureGLType(int id);
/**
* Dispose texture data of the given object.
* @param[in] id the id of the given object.
* @param[in] buffer the address of the buffer to dipose.
*/
void disposeTextureData(int id, unsigned char * buffer);
/**
* Dispose texture data of the given object.
* @param[in] id the id of the given object.
* @return 1 if the texture is ROW_MAJOR_ORDER
*/
int isTextureRowOrder(int id);
/**
* Set tha availability of the ABGR extension
* @param[in] isAvailable 0 if it is not available
*/
void setABGRExt(int isAvailable);
#ifdef __cplusplus
} //extern "C"
#endif
#endif /* DATA_LOADER_HXX */
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