X-Git-Url: https://harishankar.org/repos/?a=blobdiff_plain;ds=sidebyside;f=wordblox.h;h=8886fabaa9b388f0543834698dabfb1d4d3270bb;hb=d27505add68f9df169f2135a416bdf52ce9af8c3;hp=cabda97f7e83b6df55fef1f5638f385cda8364f7;hpb=48a65b2e455c24d2482fd9098c918935714a198f;p=wordblah.git diff --git a/wordblox.h b/wordblox.h index cabda97..8886fab 100644 --- a/wordblox.h +++ b/wordblox.h @@ -2,13 +2,18 @@ #define __WORDBLOX_H #define _XOPEN_SOURCE #include +#include +#include +#include #include #include #include +#include #include "constantstrings.h" -#define MAX_PUZZLE_SIZE 20 +#define MAX_PUZZLE_SIZE 25 #define MAX_CLUE_LENGTH 150 +#define GRID_PIXELS 37 /* Enum to define terminal colours */ enum COLOR { @@ -32,6 +37,12 @@ enum ORIENTATION { DOWN=2 }; +/* for use with the player */ +enum DIRECTION { + DIR_FORWARD = 1, + DIR_BACK = -1 +}; + typedef char String[MAX_CLUE_LENGTH]; /* The main puzzle struct type */ @@ -129,7 +140,7 @@ void export_clues (Puzzle *p, const char *filename) /* Output the grid to image - if answerkey is true export filled grid */ void export_grid_image (Puzzle *p, const char *filename, bool answerkey) { - int img_size = p->grid_size * 40; + int img_size = p->grid_size * GRID_PIXELS; FILE * outfile = fopen (filename, "wb"); if (outfile == NULL) { @@ -138,7 +149,7 @@ void export_grid_image (Puzzle *p, const char *filename, bool answerkey) } gdImagePtr img = gdImageCreate (img_size, img_size); - int white = gdImageColorAllocate (img, 255,255,255); + gdImageColorAllocate (img, 255,255,255); int black = gdImageColorAllocate (img, 0, 0, 0); int blue = gdImageColorAllocate (img, 0, 0, 216); gdFontPtr sm_fnt = gdFontGetMediumBold (); @@ -150,13 +161,15 @@ void export_grid_image (Puzzle *p, const char *filename, bool answerkey) { /* if it is a block, draw the black square */ if (p->chars[i][j] == '#') - gdImageFilledRectangle (img, j*40, i*40, j*40+40, - i*40+40,black); + gdImageFilledRectangle (img, j*GRID_PIXELS, i*GRID_PIXELS, + j*GRID_PIXELS+GRID_PIXELS, + i*GRID_PIXELS+GRID_PIXELS,black); else { /* draw a regular square */ - gdImageRectangle (img, j*40, i*40, j*40+40, - i*40+40, black); + gdImageRectangle (img, j*GRID_PIXELS, i*GRID_PIXELS, + j*GRID_PIXELS+GRID_PIXELS, + i*GRID_PIXELS+GRID_PIXELS, black); /* print the numers, if it is either start across word or a down word */ @@ -167,22 +180,24 @@ void export_grid_image (Puzzle *p, const char *filename, bool answerkey) { char str[5]; sprintf (str, "%d", p->start_across_word[i][j]); - gdImageString (img, sm_fnt, j*40+2, i*40+2, - (unsigned char *)str, blue); + gdImageString (img, sm_fnt, j*GRID_PIXELS+2, + i*GRID_PIXELS+2, + (unsigned char *)str, blue); } else { char str[5]; sprintf (str, "%d", p->start_down_word[i][j]); - gdImageString (img, sm_fnt, j*40+2, i*40+2, - (unsigned char *)str, blue); + gdImageString (img, sm_fnt, j*GRID_PIXELS+2, + i*GRID_PIXELS+2, + (unsigned char *)str, blue); } } /* if answerkey is true, draw the character in the cell */ if (answerkey) { - gdImageChar (img, lg_fnt, j*40+15, i*40+15, - p->chars[i][j], black); + gdImageChar (img, lg_fnt, j*GRID_PIXELS+15, + i*GRID_PIXELS+10, p->chars[i][j], black); } } } @@ -232,7 +247,7 @@ bool next_col_blank (Puzzle *p, int r, int c) return false; } -/* unfreeze the grid - mak editing possible to change words */ +/* unfreeze the grid - make editing possible to change words */ void unfreeze_puzzle (Puzzle *p) { for (int i = 0; i < p->grid_size; i ++) @@ -316,22 +331,31 @@ void init_puzzle (Puzzle *p, int grid_size) /* save the puzzle to a file */ void save_puzzle (Puzzle *puzzle, const char* file) { FILE *outfile; - outfile = fopen (file, "w"); + /* First output the uncompressed contents to a temp file */ + outfile = tmpfile (); if (outfile == NULL) { fprintf (stderr, "%s\n", ERROR_WRITING_FILE); exit (1); } + /* grid size is the first field */ fprintf (outfile, "%d\n", puzzle->grid_size); + /* whether grid is frozen or not */ fprintf (outfile, "%d\n", puzzle->grid_frozen); + /* the hashed password */ fprintf (outfile, "%s\n", puzzle->hashed_password); + /* the salt */ fprintf (outfile, "%s\n", puzzle->salt); + + /* First output the grid characters columns/rows */ for (int i = 0; i < puzzle->grid_size; i ++) { for (int j = 0; j < puzzle->grid_size; j ++) fprintf (outfile, "%c", puzzle->chars[i][j]); fprintf (outfile, "\n"); } + + /* Next output the start across/down numbers */ for (int i = 0; i < puzzle->grid_size; i ++) { for (int j = 0; j < puzzle->grid_size; j++) @@ -341,40 +365,108 @@ void save_puzzle (Puzzle *puzzle, const char* file) { } fprintf (outfile, "\n"); } + + /* Output the across clues */ fprintf (outfile, "ACROSS\n"); + /* Search the grid for across words */ for (int i = 0; i < puzzle->grid_size; i ++) { for (int j = 0; j < puzzle->grid_size; j++) { + /* if it is an across word, then put the word index followed by + tab character (as separator) and the clue */ if (puzzle->start_across_word[i][j] != -1) fprintf (outfile, "%d\t%s\n", puzzle->start_across_word[i][j], puzzle->clue_across[i][j]); } } + + /* Output the down clues */ fprintf (outfile, "DOWN\n"); + /* Search the grid for down words */ for (int i = 0; i < puzzle->grid_size; i ++) { for (int j = 0; j < puzzle->grid_size; j++) { + /* same as across word, put the word index followed by the tab + character and then the clue */ if (puzzle->start_down_word[i][j] != -1) fprintf (outfile, "%d\t%s\n", puzzle->start_down_word[i][j], puzzle->clue_down[i][j]); } } - + + /* Flush the buffer and rewind to beginning - to read and save into + gzip compressed file */ + fflush (outfile); + fseek (outfile, 0, 0); + + /* now compress the file and save it to destination file */ + gzFile outdestfile = gzopen (file, "wb"); + if (outdestfile == NULL) + { + fprintf (stderr, "%s\n", ERROR_WRITING_FILE); + fclose (outfile); + exit (1); + } + char buf[128]; + int num = fread (buf, sizeof(char), sizeof(char)*128, outfile); + while (num > 0) + { + int res = gzwrite (outdestfile, buf, num*sizeof(char) ); + if (res == 0) + { + fprintf (stderr, "%s %s\n", ERROR_WRITING_FILE, COMPRESSED); + fclose (outfile); + exit (1); + } + num = fread (buf, sizeof(char), sizeof(char)*128, outfile); + } + gzclose (outdestfile); fclose (outfile); + } /* read the puzzle from a file */ Puzzle load_puzzle (const char* file) { - FILE *infile; - Puzzle p; - infile = fopen (file, "rb"); + /* First open the GZip file */ + gzFile insourcefile = gzopen (file, "rb"); + if (insourcefile == NULL) + { + fprintf (stderr, "%s %s\n", ERROR_READING_FILE, COMPRESSED); + exit (1); + } + /* Open a temporary file to uncompress the contents */ + FILE *infile = tmpfile (); if (infile == NULL) { fprintf (stderr, "%s\n", ERROR_READING_FILE); - exit (1); + exit (1); } + /* Put the uncompressed content to the temp file */ + char buf[128]; + int num = 0; + num = gzread (insourcefile, buf, 128); + while (num > 0) + { + int res = fwrite (buf, 1, num, infile); + if (res == 0) + { + fprintf (stderr, "%s\n", ERROR_READING_FILE); + fclose (infile); + gzclose (insourcefile); + exit (1); + } + num = gzread (insourcefile, buf, 128); + } + /* Close the gzip file */ + gzclose (insourcefile); + /* Flush the temp file buffer and rewind to beginning */ + fflush (infile); + fseek (infile, 0, 0); + + /* Read the temporary file contents to the structure Puzzle */ + Puzzle p; char line[MAX_CLUE_LENGTH+10]; fgets (line, MAX_CLUE_LENGTH + 10, infile); p.grid_size = atoi (line);