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author | giraffedata <giraffedata@9d0c8265-081b-0410-96cb-a4ca84ce46f8> | 2019-06-28 23:45:11 +0000 |
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committer | giraffedata <giraffedata@9d0c8265-081b-0410-96cb-a4ca84ce46f8> | 2019-06-28 23:45:11 +0000 |
commit | cdf6e0151411d887fef61245cb303ef190b29335 (patch) | |
tree | 678c2212e125e66e0a868773e2b4ec460794da4e /analyzer/pamtable.c | |
parent | de1311e820dc892f1a3c5c9ae70dbc56868030d8 (diff) | |
download | netpbm-mirror-cdf6e0151411d887fef61245cb303ef190b29335.tar.gz netpbm-mirror-cdf6e0151411d887fef61245cb303ef190b29335.tar.xz netpbm-mirror-cdf6e0151411d887fef61245cb303ef190b29335.zip |
Promote Advanced to Stable
git-svn-id: http://svn.code.sf.net/p/netpbm/code/stable@3641 9d0c8265-081b-0410-96cb-a4ca84ce46f8
Diffstat (limited to 'analyzer/pamtable.c')
-rw-r--r-- | analyzer/pamtable.c | 200 |
1 files changed, 200 insertions, 0 deletions
diff --git a/analyzer/pamtable.c b/analyzer/pamtable.c new file mode 100644 index 00000000..2835469a --- /dev/null +++ b/analyzer/pamtable.c @@ -0,0 +1,200 @@ +/*============================================================================= + pamtable +=============================================================================== + Print the raster as a table of numbers. + + By Bryan Henderson, San Jose CA 2017.04.15. + + Contributed to the public domain + +=============================================================================*/ +#include <math.h> +#include "pm_c_util.h" +#include "pam.h" +#include "shhopt.h" +#include "mallocvar.h" +#include "nstring.h" + +struct CmdlineInfo { + /* All the information the user supplied in the command line, + in a form easy for the program to use. + */ + const char * inputFileName; /* Name of input file */ + unsigned int verbose; +}; + + +static void +parseCommandLine(int argc, const char ** const argv, + struct CmdlineInfo * const cmdlineP) { + + optEntry * option_def; + /* Instructions to OptParseOptions3 on how to parse our options. + */ + optStruct3 opt; + + unsigned int option_def_index; + + MALLOCARRAY(option_def, 100); + + option_def_index = 0; /* incremented by OPTENT3 */ + + OPTENT3(0, "verbose", OPT_FLAG, NULL, &cmdlineP->verbose, 0); + /* For future expansion */ + + opt.opt_table = option_def; + opt.short_allowed = FALSE; /* We have no short (old-fashioned) options */ + opt.allowNegNum = FALSE; /* We have no parms that are negative numbers */ + + pm_optParseOptions3(&argc, (char **)argv, opt, sizeof(opt), 0); + /* Uses and sets argc, argv, and some of *cmdlineP and others. */ + + if (argc-1 > 1) + pm_error("Too many arguments (%d). File name is the only argument.", + argc-1); + + if (argc-1 < 1) + cmdlineP->inputFileName = "-"; + else + cmdlineP->inputFileName = argv[1]; + + free(option_def); +} + + + +typedef struct { + + const char * sampleFmt; + /* Printf format of a sample, e.g. %3u */ + + const char * interSampleGutter; + /* What we print between samples within a tuple */ + + const char * interTupleGutter; + /* What we print between tuples within a row */ + +} Format; + + + +static const char * +sampleFormat(const struct pam * const pamP) { +/*---------------------------------------------------------------------------- + The printf format string for a single sample in the output table. + + E.g "%03u". + + This format does not include any spacing between samples. +-----------------------------------------------------------------------------*/ + unsigned int const decimalWidth = ROUNDU(ceil(log10(pamP->maxval + 1))); + + const char * retval; + + pm_asprintf(&retval, "%%%uu", decimalWidth); + + return retval; +} + + + +static void +makeFormat(const struct pam * const pamP, + Format * const formatP) { + + formatP->sampleFmt = sampleFormat(pamP); + + formatP->interSampleGutter = " "; + + formatP->interTupleGutter = pamP->depth > 1 ? "|" : " "; +} + + + +static void +unmakeFormat(Format * const formatP) { + + pm_strfree(formatP->sampleFmt); +} + + + +static void +printRow(const struct pam * const pamP, + tuple * const tupleRow, + Format const format, + FILE * const ofP) { + + unsigned int col; + + for (col = 0; col < pamP->width; ++col) { + unsigned int plane; + + if (col > 0) + fputs(format.interTupleGutter, ofP); + + for (plane = 0; plane < pamP->depth; ++plane) { + + if (plane > 0) + fputs(format.interSampleGutter, ofP); + + fprintf(ofP, format.sampleFmt, tupleRow[col][plane]); + } + } + + fputs("\n", ofP); +} + + + +static void +printRaster(FILE * const ifP, + const struct pam * const pamP, + FILE * const ofP) { + + Format format; + + tuple * inputRow; /* Row from input image */ + unsigned int row; + + makeFormat(pamP, &format); + + inputRow = pnm_allocpamrow(pamP); + + for (row = 0; row < pamP->height; ++row) { + pnm_readpamrow(pamP, inputRow); + + printRow(pamP, inputRow, format, ofP); + } + + pnm_freepamrow(inputRow); + + unmakeFormat(&format); +} + + + +int +main(int argc, const char *argv[]) { + + FILE * ifP; + struct CmdlineInfo cmdline; + struct pam inpam; /* Input PAM image */ + + pm_proginit(&argc, argv); + + parseCommandLine(argc, argv, &cmdline); + + ifP = pm_openr(cmdline.inputFileName); + + pnm_readpaminit(ifP, &inpam, PAM_STRUCT_SIZE(tuple_type)); + + printRaster(ifP, &inpam, stdout); + + pm_close(inpam.file); + + return 0; +} + + + |