diff options
Diffstat (limited to 'editor/pamthreshold.c')
| -rw-r--r-- | editor/pamthreshold.c | 31 |
1 files changed, 17 insertions, 14 deletions
diff --git a/editor/pamthreshold.c b/editor/pamthreshold.c index 8d28bc4a..809d76d9 100644 --- a/editor/pamthreshold.c +++ b/editor/pamthreshold.c @@ -73,7 +73,7 @@ initRange(struct range * const rangeP) { rangeP->max = 0.0; } - + static void addToRange(struct range * const rangeP, @@ -89,7 +89,7 @@ static float spread(struct range const range) { assert(range.max >= range.min); - + return range.max - range.min; } @@ -120,12 +120,12 @@ parseGeometry(const char * const wxl, static void -parseCommandLine(int argc, +parseCommandLine(int argc, char ** argv, struct cmdlineInfo *cmdlineP ) { /*---------------------------------------------------------------------------- Parse program command line described in Unix standard form by argc - and argv. Return the information in the options as *cmdlineP. + and argv. Return the information in the options as *cmdlineP. If command line is internally inconsistent (invalid options, etc.), issue error message to stderr and abort program. @@ -145,7 +145,7 @@ parseCommandLine(int argc, MALLOCARRAY_NOFAIL(option_def, 100); /* define the options */ - OPTENT3(0, "simple", OPT_FLAG, NULL, + OPTENT3(0, "simple", OPT_FLAG, NULL, &cmdlineP->simple, 0); OPTENT3(0, "local", OPT_STRING, &localOpt, &localSpec, 0); @@ -155,7 +155,7 @@ parseCommandLine(int argc, &thresholdSpec, 0); OPTENT3(0, "contrast", OPT_FLOAT, &cmdlineP->contrast, &contrastSpec, 0); - OPTENT3(0, "verbose", OPT_FLAG, NULL, + OPTENT3(0, "verbose", OPT_FLAG, NULL, &cmdlineP->verbose, 0); /* set the defaults */ @@ -216,8 +216,8 @@ parseCommandLine(int argc, cmdlineP->inputFileName = "-"; else if (argc-1 == 1) cmdlineP->inputFileName = argv[1]; - else - pm_error("Progam takes at most 1 parameter: the file name. " + else + pm_error("Program takes at most 1 parameter: the file name. " "You specified %d", argc-1); } @@ -389,7 +389,7 @@ computeGlobalThreshold(struct pam * const inpamP, of the "k-means clustering algorithm." The article claims it's proven to converge, by the way. - We have an interation limit just as a safety net. + We have an iteration limit just as a safety net. This code originally implemented a rather different algorithm, while nonetheless carrying the comment that it implemented the @@ -524,7 +524,7 @@ thresholdLocalRow(struct pam * const inpamP, getLocalThreshold(inrows, inpamP->width, col, localWidth, windowHeight, cmdline.threshold, minSpread, globalThreshold, &threshold); - + thresholdPixel(outpamP, inrow[col], outrow[col], threshold); } } @@ -569,12 +569,12 @@ thresholdLocal(struct pam * const inpamP, unsigned int oddLocalWidth; unsigned int oddLocalHeight; unsigned int i; - + /* use a subimage with odd width and height to have a middle pixel */ if (cmdline.width % 2 == 0) oddLocalWidth = cmdline.width + 1; - else + else oddLocalWidth = cmdline.width; if (cmdline.height % 2 == 0) oddLocalHeight = cmdline.height + 1; @@ -616,7 +616,7 @@ thresholdLocal(struct pam * const inpamP, outpamP, outrow); pnm_writepamrow(outpamP, outrow); - + /* read next image line if available and necessary */ if (row + windowHeight / 2 >= nextRowToRead && nextRowToRead < inpamP->height) @@ -655,7 +655,7 @@ thresholdIterative(struct pam * const inpamP, int main(int argc, char **argv) { - FILE * ifP; + FILE * ifP; struct cmdlineInfo cmdline; struct pam inpam, outpam; int eof; /* No more images in input stream */ @@ -711,3 +711,6 @@ main(int argc, char **argv) { return 0; } + + + |