path: root/hl/fortran/src/H5IMcc.c

/****************************************************************************
 * NCSA HDF                                                                 *
 * Scientific Data Technologies                                             *
 * National Center for Supercomputing Applications                          *
 * University of Illinois at Urbana-Champaign                               *
 * 605 E. Springfield, Champaign IL 61820                                   *
 *                                                                          *
 * For conditions of distribution and use, see the accompanying             *
 * hdf/COPYING file.                                                        *
 *                                                                          *
 ****************************************************************************/
#include "H5IM.h"
#include "H5IMcc.h"
#include "H5f90i_gen.h"


#include <string.h>
#include <stdlib.h>


/*-------------------------------------------------------------------------
 * private functions
 *-------------------------------------------------------------------------
 */
herr_t H5IM_get_palette( hid_t loc_id, 
                         const char *image_name,
                         int pal_number,
                         hid_t tid,
                         void *pal_data);

/*-------------------------------------------------------------------------
 * Function: H5IMmake_image_8bitf
 *
 * Purpose: Creates and writes an image an 8 bit image
 *
 * Return: Success: 0, Failure: -1
 *
 * Programmer: Pedro Vicente Nunes, pvn@ncsa.uiuc.edu
 *
 * Date: May 10, 2005
 *
 * Comments:
 *  This function allows the creation and writing of an 8bit image on disk.
 *  The memory datatype is H5T_NATIVE_INT. It is supposed to be called from
 *  the FORTRAN interface where the image buffer is defined as type "integer"
 *
 * Modifications:
 *
 *-------------------------------------------------------------------------
 */

herr_t H5IMmake_image_8bitf( hid_t loc_id, 
                             const char *dset_name, 
                             hsize_t width,
                             hsize_t height,
                             int_f *buf )
{
 hid_t    did;                  /* dataset ID */
 hid_t    sid;                  /* space ID */
 hsize_t  dims[IMAGE8_RANK];  /* dimensions */
 
 /* initialize the image dimensions */
 dims[0] = height; 
 dims[1] = width; 
 dims[2] = 1; 

/*-------------------------------------------------------------------------
 * create and write the dataset
 *-------------------------------------------------------------------------
 */
  
 /* create the data space for the dataset. */
 if ((sid=H5Screate_simple(IMAGE8_RANK,dims,NULL))<0)
  return -1;

 /* create the dataset as H5T_NATIVE_UCHAR */
 if ((did=H5Dcreate(loc_id,dset_name,H5T_NATIVE_UINT8,sid,H5P_DEFAULT))<0)
  return -1;

 /* write with memory type H5T_NATIVE_INT */
 /* Use long type if Fortran integer is 8 bytes and C long long is also 8 bytes*/
 /* Fail if otherwise */
 if (buf) 
 {
  if (sizeof(int_f) == sizeof(int)) {
  if (H5Dwrite(did,H5T_NATIVE_INT,H5S_ALL,H5S_ALL,H5P_DEFAULT,buf)<0)
   return -1;}
  else if (sizeof(int_f) == sizeof(long)) {
  if (H5Dwrite(did,H5T_NATIVE_LONG,H5S_ALL,H5S_ALL,H5P_DEFAULT,buf)<0)
   return -1;}
  else if (sizeof(int_f) == sizeof(long_long)) {
  if (H5Dwrite(did,H5T_NATIVE_LLONG,H5S_ALL,H5S_ALL,H5P_DEFAULT,buf)<0)
   return -1;}
  else
   return -1;
 }

 /* close */
 if (H5Dclose(did)<0)
  return -1;
 if (H5Sclose(sid)<0)
  return -1;

/*-------------------------------------------------------------------------
 * attach the specification attributes
 *-------------------------------------------------------------------------
 */
  
 /* attach the CLASS attribute */
 if ( H5LTset_attribute_string( loc_id, dset_name, "CLASS", IMAGE_CLASS ) < 0 )
  return -1;

 /* attach the VERSION attribute */
 if ( H5LTset_attribute_string( loc_id, dset_name, "IMAGE_VERSION", IMAGE_VERSION ) < 0 )
  return -1;

 /* attach the IMAGE_SUBCLASS attribute */
 if ( H5LTset_attribute_string( loc_id, dset_name, "IMAGE_SUBCLASS", "IMAGE_INDEXED" ) < 0 )
  return -1;

 return 0;
}



/*-------------------------------------------------------------------------
 * Function: H5IMmake_image_24bitf
 *
 * Purpose:
 *
 * Return: Success: 0, Failure: -1
 *
 * Programmer: Pedro Vicente Nunes, pvn@ncsa.uiuc.edu
 *
 * Date: May 10, 2005
 *
 * Comments:
 *  This function allows the creation and writing of an 8bit image on disk.
 *  The memory datatype is H5T_NATIVE_INT. It is supposed to be called from
 *  the FORTRAN interface where the image buffer is defined as type "integer"
 *
 * Interlace Mode Dimensions in the Dataspace 
 * INTERLACE_PIXEL [height][width][pixel components] 
 * INTERLACE_PLANE [pixel components][height][width] 
 *
 *
 * Modifications:
 *
 *-------------------------------------------------------------------------
 */

herr_t H5IMmake_image_24bitf( hid_t loc_id, 
                              const char *dset_name, 
                              hsize_t width,
                              hsize_t height,
                              const char *interlace,
                              int_f *buf)
{
 hid_t    did;                /* dataset ID */
 hid_t    sid;                /* space ID */
 hsize_t  dims[IMAGE24_RANK]; /* dimensions */

/*-------------------------------------------------------------------------
 * attach the image dimensions according to the interlace mode
 *-------------------------------------------------------------------------
 */
 if ( strcmp( interlace, "INTERLACE_PIXEL" ) == 0 ) 
 {
  /* Number of color planes is defined as the third dimension */
  dims[0] = height; 
  dims[1] = width; 
  dims[2] = IMAGE24_RANK; 
 }
 else
 if ( strcmp( interlace, "INTERLACE_PLANE" ) == 0 ) 
 {
  /* Number of color planes is defined as the first dimension */
  dims[0] = IMAGE24_RANK; 
  dims[1] = height; 
  dims[2] = width; 
 }
 else return -1;
 
/*-------------------------------------------------------------------------
 * create and write the dataset
 *-------------------------------------------------------------------------
 */
  
 /* create the data space for the dataset. */
 if ((sid=H5Screate_simple(IMAGE24_RANK,dims,NULL))<0)
  return -1;

 /* create the dataset as H5T_NATIVE_UCHAR */
 if ((did=H5Dcreate(loc_id,dset_name,H5T_NATIVE_UCHAR,sid,H5P_DEFAULT))<0)
  return -1;

 /* write with memory type H5T_NATIVE_INT */
 if (buf) 
 {
  if (sizeof(int_f) == sizeof(int)) {
  if (H5Dwrite(did,H5T_NATIVE_INT,H5S_ALL,H5S_ALL,H5P_DEFAULT,buf)<0)
   return -1;}
  else if (sizeof(int_f) == sizeof(long)) {
  if (H5Dwrite(did,H5T_NATIVE_LONG,H5S_ALL,H5S_ALL,H5P_DEFAULT,buf)<0)
   return -1;}
  else if (sizeof(int_f) == sizeof(long_long)) {
  if (H5Dwrite(did,H5T_NATIVE_LLONG,H5S_ALL,H5S_ALL,H5P_DEFAULT,buf)<0)
   return -1;}
  else
   return -1;
 }

 /* close */
 if (H5Dclose(did)<0)
  return -1;
 if (H5Sclose(sid)<0)
  return -1;

/*-------------------------------------------------------------------------
 * attach the specification attributes
 *-------------------------------------------------------------------------
 */

 /* Attach the CLASS attribute */
 if ( H5LTset_attribute_string( loc_id, dset_name, "CLASS", IMAGE_CLASS ) < 0 )
  return -1;

 /* Attach the VERSION attribute */
 if ( H5LTset_attribute_string( loc_id, dset_name, "IMAGE_VERSION", IMAGE_VERSION ) < 0 )
  return -1;

 /* Attach the IMAGE_SUBCLASS attribute */
 if ( H5LTset_attribute_string( loc_id, dset_name, "IMAGE_SUBCLASS", "IMAGE_TRUECOLOR" ) < 0 )
  return -1;

 /* Attach the INTERLACE_MODE attribute. This attributes is only for true color images */
 if ( H5LTset_attribute_string( loc_id, dset_name, "INTERLACE_MODE", interlace ) < 0 )
  return -1;

 return 0;

}


/*-------------------------------------------------------------------------
 * Function: H5IMread_imagef
 *
 * Purpose: Reads image data from disk.
 *
 * Return: Success: 0, Failure: -1
 *
 * Programmer: Pedro Vicente Nunes, pvn@ncsa.uiuc.edu
 *
 * Date: May 10, 2005
 *
 * Comments:
 *  This function allows reading of an 8bit image on disk.
 *  The memory datatype is H5T_NATIVE_INT. It is supposed to be called from
 *  the FORTRAN interface where the image buffer is defined as type "integer"
 *
 * Modifications:
 *
 *-------------------------------------------------------------------------
 */

herr_t H5IMread_imagef( hid_t loc_id, 
                        const char *dset_name, 
                        int_f *buf )
{
 hid_t   did;  

 /* open the dataset */
 if ( (did = H5Dopen( loc_id, dset_name )) < 0 )
  return -1;

 /* read to memory type H5T_NATIVE_INT */
 if (sizeof(int_f) == sizeof(int)){
 if ( H5Dread( did, H5T_NATIVE_INT, H5S_ALL, H5S_ALL, H5P_DEFAULT, buf ) < 0 )
  goto out;}
 else if (sizeof(int_f) == sizeof(long)) {
 if ( H5Dread( did, H5T_NATIVE_LONG, H5S_ALL, H5S_ALL, H5P_DEFAULT, buf ) < 0 )
  goto out;}
 else if (sizeof(int_f) == sizeof(long_long)) {
 if ( H5Dread( did, H5T_NATIVE_LLONG, H5S_ALL, H5S_ALL, H5P_DEFAULT, buf ) < 0 )
  goto out;}
 else
  goto out;

 /* close */
 if ( H5Dclose( did ) )
  return -1;
 return 0;

out:
 H5Dclose( did );
 return -1;

}


/*-------------------------------------------------------------------------
 * Function: H5IMmake_palettef
 *
 * Purpose: Creates and writes a palette.
 *
 * Return: Success: 0, Failure: -1
 *
 * Programmer: Pedro Vicente Nunes, pvn@ncsa.uiuc.edu
 *
 * Date: May 10, 2005
 *
 * Comments:
 *  This function allows writing of an 8bit palette to disk.
 *  The memory datatype is H5T_NATIVE_INT. It is supposed to be called from
 *  the FORTRAN interface where the image buffer is defined as type "integer"
 *
 *  based on HDF5 Image and Palette Specification  
 *  http://hdf.ncsa.uiuc.edu/HDF5/H5Image/ImageSpec.html
 *
 * Modifications:
 *
 *-------------------------------------------------------------------------
 */

herr_t H5IMmake_palettef( hid_t loc_id, 
                          const char *pal_name,
                          const hsize_t *pal_dims,
                          int_f *pal_data ) 

{  
 
 hid_t did;                /* dataset ID */
 hid_t sid;                /* space ID */
 int   has_pal;
 
 /* Check if the dataset already exists */
 has_pal = H5LTfind_dataset( loc_id, pal_name );
 
 /* It exists. Return */
 if ( has_pal == 1 )
  return 0;

/*-------------------------------------------------------------------------
 * create and write the dataset
 *-------------------------------------------------------------------------
 */
  
 /* create the data space for the dataset. */
 if ((sid=H5Screate_simple(2,pal_dims,NULL))<0)
  return -1;

 /* create the dataset as H5T_NATIVE_UCHAR */
 if ((did=H5Dcreate(loc_id,pal_name,H5T_NATIVE_UCHAR,sid,H5P_DEFAULT))<0)
  return -1;

 /* write with memory type H5T_NATIVE_INT */
 if (pal_data) 
 {
  if (sizeof(int_f) == sizeof(int)) {
  if (H5Dwrite(did,H5T_NATIVE_INT,H5S_ALL,H5S_ALL,H5P_DEFAULT,pal_data)<0)
   return -1;}
  else if (sizeof(int_f) == sizeof(long)) {
  if (H5Dwrite(did,H5T_NATIVE_LONG,H5S_ALL,H5S_ALL,H5P_DEFAULT,pal_data)<0)
   return -1;}
  else if (sizeof(int_f) == sizeof(long_long)) {
  if (H5Dwrite(did,H5T_NATIVE_LLONG,H5S_ALL,H5S_ALL,H5P_DEFAULT,pal_data)<0)
   return -1;}
  else
   return -1;
 }

 /* close */
 if (H5Dclose(did)<0)
  return -1;
 if (H5Sclose(sid)<0)
  return -1;

/*-------------------------------------------------------------------------
 * attach the specification attributes
 *-------------------------------------------------------------------------
 */

 /* Attach the attribute "CLASS" to the >>palette<< dataset*/
 if ( H5LTset_attribute_string( loc_id, pal_name, "CLASS", PALETTE_CLASS ) < 0 )
  return -1;

 /* Attach the attribute "PAL_VERSION" to the >>palette<< dataset*/
 if ( H5LTset_attribute_string( loc_id, pal_name, "PAL_VERSION", "1.2" ) < 0 )
  return -1;
 
 return 0;

}


/*-------------------------------------------------------------------------
 * Function: H5IMget_palettef
 *
 * Purpose: Read palette
 *
 * Return: Success: 0, Failure: -1
 *
 * Programmer: Pedro Vicente Nunes, pvn@ncsa.uiuc.edu
 *
 * Date: May 10, 2005
 *
 * Comments:
 *  This function allows reading of an 8bit palette from disk.
 *  The memory datatype is H5T_NATIVE_INT. It is supposed to be called from
 *  the FORTRAN interface where the image buffer is defined as type "integer"
 *
 *  based on HDF5 Image and Palette Specification  
 *  http://hdf.ncsa.uiuc.edu/HDF5/H5Image/ImageSpec.html
 *
 * Modifications:
 *
 *-------------------------------------------------------------------------
 */

herr_t H5IMget_palettef( hid_t loc_id, 
                         const char *image_name,
                         int pal_number,
                         int_f *pal_data )
{
 if(sizeof(int_f) == sizeof(int))
  return H5IM_get_palette(loc_id,image_name,pal_number,H5T_NATIVE_INT,pal_data);
 else if (sizeof(int_f) == sizeof(long))
  return H5IM_get_palette(loc_id,image_name,pal_number,H5T_NATIVE_LONG,pal_data);
 else if (sizeof(int_f) == sizeof(long_long))
  return H5IM_get_palette(loc_id,image_name,pal_number,H5T_NATIVE_LLONG,pal_data);
 else
  return -1;

}

/*-------------------------------------------------------------------------
 * Function: H5IM_get_palette
 *
 * Purpose: private function that reads a palette to memory type TID
 *
 * Return: Success: 0, Failure: -1
 *
 * Programmer: Pedro Vicente Nunes, pvn@ncsa.uiuc.edu
 *
 * Date: May 10, 2005
 *
 * Comments:
 *  This function allows reading of an 8bit palette from disk disk
 *   to memory type TID
 *  The memory datatype can be H5T_NATIVE_INT or H5T_NATIVE_UCHAR currently. 
 *   the H5T_NATIVE_INT is supposed to be called from
 *   the FORTRAN interface where the image buffer is defined as type "integer"
 *
 * Comments:
 *  based on HDF5 Image and Palette Specification  
 *  http://hdf.ncsa.uiuc.edu/HDF5/H5Image/ImageSpec.html
 *
 * Modifications:
 *
 *-------------------------------------------------------------------------
 */
herr_t H5IM_get_palette( hid_t loc_id, 
                         const char *image_name,
                         int pal_number,
                         hid_t tid,
                         void *pal_data)
{
 hid_t      image_id;
 int        has_pal;
 hid_t      attr_type;
 hid_t      attr_id;
 hid_t      attr_space_id;
 hid_t      attr_class;
 hssize_t   n_refs;
 hsize_t    dim_ref;
 hobj_ref_t *refbuf;     /* buffer to read references */
 hid_t      pal_id;

 /* Open the dataset. */
 if ( (image_id = H5Dopen( loc_id, image_name )) < 0 )
  return -1;

 /* Try to find the attribute "PALETTE" on the >>image<< dataset */
 has_pal = H5IM_find_palette( image_id );

 if ( has_pal ==  1 )
 {

  if ( (attr_id = H5Aopen_name( image_id, "PALETTE" )) < 0 )
   goto out;
     
  if ( (attr_type = H5Aget_type( attr_id )) < 0 )
   goto out;

  if ( (attr_class = H5Tget_class( attr_type )) < 0 )
   goto out;

  /* Check if it is really a reference */
  if ( attr_class == H5T_REFERENCE )
  {

   /* Get the reference(s) */
   if ( (attr_space_id = H5Aget_space( attr_id )) < 0 )
    goto out;

   n_refs = H5Sget_simple_extent_npoints( attr_space_id );

   dim_ref = n_refs;

   refbuf = malloc( sizeof(hobj_ref_t) * (int)dim_ref );

   if ( H5Aread( attr_id, attr_type, refbuf ) < 0 )
    goto out;

   /* Get the palette id */
   if ( (pal_id = H5Rdereference( image_id, H5R_OBJECT, &refbuf[pal_number] )) < 0 )
    goto out;

   /* Read the palette dataset using the memory type TID */
   if ( H5Dread( pal_id, tid, H5S_ALL, H5S_ALL, H5P_DEFAULT, pal_data ) < 0 )
    goto out;

   if ( H5Sclose( attr_space_id ) < 0 )
    goto out;

   /* close the dereferenced dataset */
   if (H5Dclose(pal_id)<0)
    goto out;

   free( refbuf );
    
  } /* H5T_REFERENCE */ 
    
  if ( H5Tclose( attr_type ) < 0 ) 
   goto out;

  /* Close the attribute. */  
  if ( H5Aclose( attr_id ) < 0 )
   goto out;

 }

 /* Close the image dataset. */
 if ( H5Dclose( image_id ) < 0 )
  return -1;

 return 0;

out:
 H5Dclose( image_id );
 return -1;


}