static CSF_CONV_FUNC ConvFuncBool(CSF_CR cr)
{
PRECOND(CSF_UNIQ_CR_MASK(cr) < 12);
PRECOND(convTableIndex[CSF_UNIQ_CR_MASK(cr)] != -1);
return boolConvTable[(int)convTableIndex[CSF_UNIQ_CR_MASK(cr)]];
}
static int HasInFileCellReprType2(CSF_CR cr)
{
char type2[12] = {
1 /* UINT1 */, 0 /* UINT2 */, 0 /* UINT4 */, 0 /* 0x03 */,
0 /* INT1 */, 0 /* INT2 */, 1 /* INT4 */, 0 /* 0x07 */,
0 /* 0x08 */, 0 /* 0x09 */, 1 /* REAL4 */, 1 /* REAL8 */};
PRECOND(CSF_UNIQ_CR_MASK(cr) < 12);
return (int)type2[CSF_UNIQ_CR_MASK(cr)];
}
/* write a stream of cells
* RputSomeCells views a raster as one linear stream of
* cells, with row i+1 placed after row i.
* In this stream any sequence can be written by specifying an
* offset and the number of cells to be written
* returns the number of cells written, just as fwrite
*
* example
* .so examples/somecell.tr
*/
size_t RputSomeCells(
MAP *map, /* map handle */
size_t offset, /* offset from pixel (row,col) = (0,0) */
size_t nrCells, /* number of cells to be read */
void *buf)/* read-write. Buffer large enough to
* hold nrCells cells in the in-file cell representation
* or the in-app cell representation.
* If these types are not equal then the buffer is
* converted from the in-app to the in-file
* cell representation.
*/
{
CSF_FADDR writeAt;
CSF_CR cr = map->raster.cellRepr;
/* convert */
map->app2file(nrCells, buf);
if (map->minMaxStatus == MM_KEEPTRACK)
{
const DF detMinMaxFunc[12] = {
(DF)DetMinMaxUINT1, (DF)DetMinMaxUINT2,
(DF)DetMinMaxUINT4, NULL /* 0x03 */ ,
(DF)DetMinMaxINT1 , (DF)DetMinMaxINT2 ,
(DF)DetMinMaxINT4 , NULL /* 0x07 */ ,
NULL /* 0x08 */ , NULL /* 0x09 */ ,
(DF)DetMinMaxREAL4, (DF)DetMinMaxREAL8 };
void *min = &(map->raster.minVal);
void *max = &(map->raster.maxVal);
PRECOND(CSF_UNIQ_CR_MASK(cr) < 12);
PRECOND(detMinMaxFunc[CSF_UNIQ_CR_MASK(cr)] != NULL);
detMinMaxFunc[CSF_UNIQ_CR_MASK(cr)](min, max, nrCells, buf);
}
else
map->minMaxStatus = MM_WRONGVALUE;
writeAt = ((CSF_FADDR)offset) << LOG_CELLSIZE(cr);
writeAt += ADDR_DATA;
if( csf_fseek(map->fp, writeAt, SEEK_SET) != 0 )
return 0;
return(map->write(buf, (size_t)CELLSIZE(cr), (size_t)nrCells, map->fp));
}
static CSF_CONV_FUNC ConvFunc(CSF_CR destType, CSF_CR srcType)
{
PRECOND(CSF_UNIQ_CR_MASK(destType) < 12);
PRECOND(CSF_UNIQ_CR_MASK(srcType) < 12);
PRECOND(convTableIndex[CSF_UNIQ_CR_MASK(srcType)] != -1);
PRECOND(convTableIndex[CSF_UNIQ_CR_MASK(destType)] != -1);
/* don't complain on illegal, it can be attached
* to a app2file while there's no WRITE_MODE
* if it's an error then it's catched in RputSomeCells
*/
return
ConvTable[(int)convTableIndex[CSF_UNIQ_CR_MASK(srcType)]]
[(int)convTableIndex[CSF_UNIQ_CR_MASK(destType)]];
}
