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Diffstat (limited to 'pkg/dataio/import/import.h')
| -rw-r--r-- | pkg/dataio/import/import.h | 132 |
1 files changed, 132 insertions, 0 deletions
diff --git a/pkg/dataio/import/import.h b/pkg/dataio/import/import.h new file mode 100644 index 00000000..6d80020a --- /dev/null +++ b/pkg/dataio/import/import.h @@ -0,0 +1,132 @@ +# IMPORT.H - Data structure definition file for the IMPORT task. + +define SZ_IMPSTRUCT 40 # size of the import structure +define SZ_EXPR (20*SZ_LINE) # max size of an expression +define SZ_COMMENT 1024 # size of a database format comment +define LEN_UA 20000 # minimum user header length +define MAX_OPERANDS 1024 + +# Input format parameters. +define IP_INTERLEAVE Memi[$1] # type of data interleaving +define IP_HSKIP Memi[$1+1] # bytes to skip before data +define IP_TSKIP Memi[$1+2] # bytes to skip after data +define IP_BSKIP Memi[$1+3] # bytes between image bands +define IP_LSKIP Memi[$1+4] # bytes to skip at front of line +define IP_LPAD Memi[$1+5] # bytes to skip at end of line +define IP_SWAP Memi[$1+6] # type of byte swapping +define IP_NPIXT Memi[$1+7] # number of pixtypes +define IP_PIXTYPE Memi[$1+8] # pixtype ptr to operands +define IP_NDIM Memi[$1+9] # number of input axes +define IP_AXLEN Memi[($1+10)+$2-1] # input axis dimension + +# Output parameters. +define IP_OUTPUT Memi[$1+20] # type of output generated +define IP_OUTTYPE Memi[$1+21] # output pixel type +define IP_NBANDS Memi[$1+22] # no. of outbands expr string +define IP_OUTBANDS Memi[$1+23] # outbands expr string (ptr) +define IP_IMHEADER Memi[$1+24] # file w/ header info (ptr) +define IP_VERBOSE Memi[$1+25] # verbose output flag + +define IP_FORMAT Memi[$1+26] # format param +define IP_BLTIN Memi[$1+27] # format is a 'builtin' +define IP_FCODE Memi[$1+28] # builtin format code +define IP_FSYM Memi[$1+29] # symtab pointer to db record +define IP_IM Memi[$1+30] # output image pointer +define IP_FD Memi[$1+31] # binary file pointer +define IP_OFFSET Memi[$1+32] # binary file offset +define IP_FLIP Memi[$1+33] # output image orientation flag +define IP_COMPTR Memi[$1+34] # comment block pointer + +define IP_BUFPTR Memi[$1+35] # array of image buffers (ptr) +define IP_NPTRS Memi[$1+36] # number of image buffer +define IP_SZBUF Memi[$1+37] # size of image buffer (lines) + +define IP_CMAP Memi[$1+38] # image colormap (ptr) +define IP_USE_CMAP Memi[$1+39] # use the image colormap? + +# Useful Macros +define PTYPE Memi[IP_PIXTYPE($1)+$2-1] +define OBANDS Memi[IP_OUTBANDS($1)+$2-1] +define COMMENT Memc[IP_COMPTR($1)] +define BUFFER Memi[IP_BUFPTR($1)+$2-1] + + +#----------------------------------------------------------------------------- + +# Outbands structure +define LEN_OUTBANDS 2 +define OB_EXPR Memi[$1] # expression string +define OB_OP Memi[$1+1] # operand struct pointer +define O_EXPR Memc[OB_EXPR(OBANDS($1,$2))] +define O_OP OB_OP(OBANDS($1,$2)) + +# Operand structure +define SZ_TAG 15 +define LEN_OPERAND 6 +define IO_TAG Memi[$1] # operand tag name +define IO_TYPE Memi[$1+1] # operand type +define IO_NBYTES Memi[$1+2] # number of bytes +define IO_NPIX Memi[$1+3] # number of pixels +define IO_DATA Memi[$1+4] # line of pixels +define OP_TAG Memc[IO_TAG($1)] + + +# Format type flags +define IP_NONE 1 # format derived from task params +define IP_SENSE 2 # format divined from database +define IP_NAME 3 # format derived from database +define IP_BUILTIN 4 # format derived from database + +# Output type flags +define IP_IMAGE 5 # generate an output image +define IP_LIST 6 # list pixels (according to 'outbands') +define IP_INFO 7 # print info about image format + +# Byte swapping flags +define S_NONE 000B # swap nothing +define S_ALL 001B # swap everything +define S_I2 002B # swap short ints +define S_I4 004B # swap long ints +define SWAP_STR "|no|none|yes|i2|i4|" + +# Image flipping flags +define FLIP_NONE 000B # don't flip the image +define FLIP_X 001B # flip image in X +define FLIP_Y 002B # flip image in Y + +# Pixtype pixel types +define PT_BYTE 1 # byte data (no conversion) +define PT_UINT 2 # unsigned integer +define PT_INT 3 # signed integer +define PT_IEEE 4 # ieee floating point +define PT_NATIVE 5 # native floating point +define PT_SKIP 6 # skip + +# Default task parameters. +define DEF_SWAP S_NONE +define DEF_INTERLEAVE 0 +define DEF_HSKIP 0 +define DEF_TSKIP 0 +define DEF_BSKIP 0 +define DEF_LSKIP 0 +define DEF_LPAD 0 + +# Useful macros. +define BAND_INTERLEAVED ((IP_NPIXT($1)==1)&&(IP_INTERLEAVE($1)==0)) +define LINE_INTERLEAVED ((IP_NPIXT($1)==1)&&(IP_INTERLEAVE($1)>1)) +define PIXEL_INTERLEAVED ((IP_NPIXT($1)>1)&&(IP_INTERLEAVE(ip)==0)) + +# NTSC grayscale coefficients. +define R_COEFF 0.299 +define G_COEFF 0.587 +define B_COEFF 0.114 + +# Colormap definitions. +define CMAP_SIZE 256 # Output colormap length +define CMAP_MAX 255 # Maximum map value +define CMAP Memc[$1+($2*CMAP_SIZE)+$3-1] + +define IP_RED 0 +define IP_GREEN 1 +define IP_BLUE 2 + |