diff options
Diffstat (limited to 'converter/other/pamtohtmltbl.c')
| -rw-r--r-- | converter/other/pamtohtmltbl.c | 106 |
1 files changed, 69 insertions, 37 deletions
diff --git a/converter/other/pamtohtmltbl.c b/converter/other/pamtohtmltbl.c index 0afbfea0..5335ff9f 100644 --- a/converter/other/pamtohtmltbl.c +++ b/converter/other/pamtohtmltbl.c @@ -2,16 +2,17 @@ #include <stdlib.h> #include <string.h> -#include "pam.h" -#include "shhopt.h" +#include "pm_c_util.h" #include "mallocvar.h" +#include "shhopt.h" +#include "pam.h" struct cmdlineInfo { /* All the information the user supplied in the command line, in a form easy for the program to use. */ - const char *inputFilespec; /* '-' if stdin */ - const char *transparent; /* NULL if none */ + const char * inputFileName; /* '-' if stdin */ + const char * transparent; /* NULL if none */ unsigned int verbose; }; @@ -19,8 +20,8 @@ struct cmdlineInfo { static void -parseCommandLine ( int argc, char ** argv, - struct cmdlineInfo *cmdlineP ) { +parseCommandLine(int argc, char ** argv, + struct cmdlineInfo * const cmdlineP) { /*---------------------------------------------------------------------------- parse program command line described in Unix standard form by argc and argv. Return the information in the options as *cmdlineP. @@ -31,7 +32,7 @@ parseCommandLine ( int argc, char ** argv, Note that the strings we return are stored in the storage that was passed to us as the argv array. We also trash *argv. -----------------------------------------------------------------------------*/ - optEntry *option_def = malloc(100*sizeof(optEntry)); + optEntry * option_def; /* Instructions to optParseOptions3 on how to parse our options. */ optStruct3 opt; @@ -40,6 +41,8 @@ parseCommandLine ( int argc, char ** argv, unsigned int transparentSpec; + MALLOCARRAY_NOFAIL(option_def, 100); + option_def_index = 0; /* incremented by OPTENT3 */ OPTENT3(0, "verbose", OPT_FLAG, NULL, &cmdlineP->verbose, 0 ); @@ -58,9 +61,9 @@ parseCommandLine ( int argc, char ** argv, cmdlineP->transparent = NULL; if (argc-1 < 1) - cmdlineP->inputFilespec = "-"; + cmdlineP->inputFileName = "-"; else if (argc-1 == 1) - cmdlineP->inputFilespec = argv[1]; + cmdlineP->inputFileName = argv[1]; else pm_error("Too many arguments. Program takes at most one argument: " "input file name"); @@ -135,31 +138,30 @@ findSameColorRectangle(struct pam * const pamP, mx=0; my=0; cnx = pamP->width - col; cny = pamP->height - row; - for (i=0; (!mx)||(!my); i++) { + for (i = 0; !mx || !my; ++i) { int j; - /*fprintf(stderr,"\n[%d]",i);*/ - for (j=0; j<=i; j++) { + for (j = 0; j <= i; ++j) { if (!my) { - if (i>=cny) - my=cny; - else - if (((!mx) || (j<mx)) && (j < cnx)) { - /*fprintf(stderr,"%d/%d ",j,i);*/ + if (i >= cny) + my = cny; + else { + if ((!mx || j < mx) && (j < cnx)) { if (!pnm_tupleequal(pamP, tuples[row+i][col+j], rectangleColor)) my = i; } + } } if (!mx) { - if (i>=cnx) - mx=cnx; - else - if (((!my) || (j<my)) && (j < cny)) { - /*fprintf(stderr,"%d/%d ",i,j);*/ + if (i >= cnx) + mx = cnx; + else { + if ((!my || (j < my)) && (j < cny)) { if (!pnm_tupleequal(pamP, tuples[row+j][col+i], rectangleColor)) mx = i; } + } } } } @@ -170,7 +172,8 @@ findSameColorRectangle(struct pam * const pamP, static bool ** -allocOutputtedArray(unsigned int const width, unsigned int const height) { +allocOutputtedArray(unsigned int const width, + unsigned int const height) { bool ** outputted; unsigned int row; @@ -180,15 +183,9 @@ allocOutputtedArray(unsigned int const width, unsigned int const height) { pm_error("Unable to allocate space for 'outputted' array"); for (row = 0; row < height; ++row) { - unsigned int col; - MALLOCARRAY(outputted[row], width); if (outputted[row] == NULL) pm_error("Unable to allocate space for 'outputted' array"); - - for (col = 0; col < width ; ++col) - outputted[row][col] = FALSE; - } return outputted; } @@ -196,7 +193,8 @@ allocOutputtedArray(unsigned int const width, unsigned int const height) { static void -freeOutputtedArray(bool ** const outputted, unsigned int const height) { +freeOutputtedArray(bool ** const outputted, + unsigned int const height) { unsigned int row; @@ -206,13 +204,40 @@ freeOutputtedArray(bool ** const outputted, unsigned int const height) { + static void -markOutputted(bool ** const outputted, +markNotOutputted(bool ** const outputted, + unsigned int const upperLeftCol, + unsigned int const upperLeftRow, + unsigned int const width, + unsigned int const height) { +/*---------------------------------------------------------------------------- + Mark every pixel in the specified rectangle as not having been output + yet. +-----------------------------------------------------------------------------*/ + unsigned int const lowerRightCol = upperLeftCol + width; + unsigned int const lowerRightRow = upperLeftRow + height; + unsigned int row; + + for (row = upperLeftRow; row < lowerRightRow; ++row) { + unsigned int col; + for (col = upperLeftCol; col < lowerRightCol; ++col) + outputted[row][col] = FALSE; + } +} + + + +static void +markOutputted(bool ** const outputted, unsigned int const upperLeftCol, unsigned int const upperLeftRow, unsigned int const width, unsigned int const height) { - +/*---------------------------------------------------------------------------- + Mark every pixel in the specified rectangle as having been output + already. +-----------------------------------------------------------------------------*/ unsigned int const lowerRightCol = upperLeftCol + width; unsigned int const lowerRightRow = upperLeftRow + height; unsigned int row; @@ -232,16 +257,19 @@ main(int argc, char **argv) { FILE * ifP; struct pam inpam; tuple ** tuples; - int row; + unsigned int row; unsigned int rectWidth, rectHeight; bool ** outputted; + /* Two dimensional array. outputted[ROW][COL] means the pixel + at row ROW, column COL has already been outputted. + */ tuple transparentColor; pnm_init(&argc, argv); parseCommandLine(argc, argv, &cmdline); - ifP = pm_openr(cmdline.inputFilespec); + ifP = pm_openr(cmdline.inputFileName); tuples = pnm_readpam(ifP, &inpam, PAM_STRUCT_SIZE(tuple_type)); @@ -259,8 +287,12 @@ main(int argc, char **argv) { printf("<TABLE WIDTH=%d HEIGHT=%d BORDER=0 CELLSPACING=0 CELLPADDING=0>\n", inpam.width, inpam.height); + + markNotOutputted(outputted, 0, 0, inpam.width, inpam.height); + /* No pixel has been outputted yet */ + for (row = 0; row < inpam.height; ++row) { - int col; + unsigned int col; printf("<TR>\n"); pripix(&inpam, tuples[row][0], 1, 1, transparentColor); markOutputted(outputted, 0, row, 1, 1); @@ -270,7 +302,7 @@ main(int argc, char **argv) { findSameColorRectangle(&inpam, tuples, row, col, &rectWidth, &rectHeight); if (cmdline.verbose) - pm_message("[%d/%d] [%d/%d]", + pm_message("[%u/%u] [%u/%u]", col, row, rectWidth, rectHeight); pripix(&inpam, tuples[row][col], rectWidth, rectHeight, transparentColor); @@ -286,5 +318,5 @@ main(int argc, char **argv) { pnm_freepamarray(tuples, &inpam); freeOutputtedArray(outputted, inpam.height); - exit(0); + return 0; } |