Created captcha generator

1 files changed, 59 insertions, 2 deletions

diff --git a/ws2a/gencaptcha.c b/ws2a/gencaptcha.c
index 74a7e96..850cca7 100644
--- a/ws2a/gencaptcha.c
+++ b/ws2a/gencaptcha.c
@@ -1,16 +1,73 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
-
+#include <time.h>
 //convert label.png -virtual-pixel White -distort Arc 60 arctest.png
 
 //convert -background gray -fill cyan -pointsize 72 label:Alex label.png
 
 //convert label.png -virtual-pixel white -distort Barrel "0.2 0.0 0.0 1.0" barrel.png
+#define ADJNUM 200
+#define NOUNUM 1524
+#define AVGADJ 7
+#define AVGNOU 7
+#define LONGADJ 14
+#define LONGNOU 15
+
+void createRandomWords(char* buf){
+  long adjnum = rand() % ADJNUM;
+  long nounum = rand() % NOUNUM;
+  FILE* adjfile;
+  FILE* noufile;
+  adjfile = fopen("../ws2a/adj.txt","r");
+  noufile = fopen("../ws2a/nouns.txt","r");
+  //Instead of getting a particular line, seek an average length, and find the next word.
+  if(adjfile == NULL || noufile == NULL){
+    printf("Something has gone serirously wrong!");
+  }
+  fseek(adjfile,adjnum*AVGADJ,0);
+  fseek(noufile,nounum*AVGNOU,0);
+
+  while(fgetc(adjfile) != '\n'){}
+  while(fgetc(noufile) != '\n'){}
+  int pos = 0;
+  char tchar = fgetc(adjfile);
+  do{
+    buf[pos] = tchar;
+    pos++;
+    tchar = fgetc(adjfile);
+  }while(tchar != '\n');
+  buf[pos] = ' ';
+  pos++;
+  tchar = fgetc(noufile);
+  do{
+    buf[pos] = tchar;
+    pos++;
+    tchar = fgetc(noufile);
+  }while(tchar != '\n');
+  buf[pos] = '\0';
+}
 
 int main(){
+  srand(time(NULL));
+  char randwords[LONGADJ+LONGNOU+1];
+  createRandomWords(randwords);
+
+  int barraldis1 = rand()%10;
+  int barraldis2 = rand()%10;
+  int arcdis = rand()%100;
+  char command[1024];
+  sprintf(command,"convert -background white -fill black -pointsize 48 label:\"%s\" \"../ws2a/captchas/%s.png\"",randwords,randwords);
+  system(command);
+  sprintf(command,"convert \"../ws2a/captchas/%s.png\" -distort Barrel \"0.0%d 0.0 0.0%d\" \"../ws2a/captchas/%s.png\"",randwords,barraldis1,barraldis2,randwords);
+  system(command);
+  sprintf(command,"convert \"../ws2a/captchas/%s.png\" -virtual-pixel White -distort Arc %d \"../ws2a/captchas/%s.png\"",randwords,arcdis,randwords);
+  system(command);
+
   FILE* imgfile;
-  imgfile = fopen("../ws2a/testcaptcha.png","r");
+  char filepath[100];
+  sprintf(filepath,"../ws2a/captchas/%s.png","r");
+  imgfile = fopen(filepath,"r");
   if(imgfile == NULL){
     return 1;
   }