int main(int argc, char* argv[])
{
int height,width,n;
int len;
if(argc!=2)
{
cerr<<"No file name found. Please pass a file name as a parameter."<<endl;
exit(1);
}
IplImage *img,*scrambled;
CvScalar pix;
img=cvLoadImage(argv[1]);
if(img==0)
{
cerr<<argv[1]<<": File not found."<<endl;
exit(1);
}
cout<<"Image dimensions: "<<img->height<<" "<<img->width<<endl;
cout<<"Enter side length of square piece: ";
scanf("%d",&len);
if(len<1)
{
cerr<<"Invalid side length."<<endl;
exit(1);
}
n = min(img->height/len,img->width/len);
height = width = len;
assignMemory(height,width,n*n);
generateImages(img,n,height,width);
vector<Block> permuted = permute(n*n);
scrambled=cvCreateImage(cvSize(width,height),IPL_DEPTH_8U,3);
for(int i=0;i<n*n;i++)
{
char filename[50]="./generated_pieces/",fileid[10];
sprintf(fileid,"%d",i+1);
strcat(fileid,".jpg");
for(int j=0;j<height;j++)
{
for(int k=0;k<width;k++)
{
for(int h=0;h<3;h++)
{
pix.val[h]=permuted[i].image[j][k].val[h];
}
cvSet2D(scrambled,j,k,pix);
}
}
strcat(filename,fileid);
cvSaveImage(filename,scrambled);
printf("Generated %s\n",fileid);
}
cout<<"Picture Broken into total "<<n*n<<" pieces."<<endl<<endl;
cout<<"N = "<<n<<endl<<endl;
return 0;
}
UInt16
GlyphMemCache::assignGlyphImage(UInt32 ownerID, hsGGlyph& glyph, Boolean *purged) {
return assignMemory(ownerID, glyph.fHeight * glyph.fRowBytes, (void*)glyph.fImage, purged);
}
//this function could be merged with populateProductsFromFile to reduce the program size
//takes a pointer to listings structure, a path to a file to read, and a pointer to memory (management) structure
int populateListingsFromFile(Listings *listings,const char *path,Memory *memory){
unsigned int i;
unsigned int j=0;
unsigned int k;
unsigned int count=0;
string *temp;
struct stat fileStat;
unsigned long fileLength;
char *fileCString;
unsigned long listingCount;
FILE* f;
//if true something has gone wrong accessing the file
if (stat(path, &fileStat) || !(f= fopen (path, "rb"))){return -1;}
assignMemory(memory, (void **) &(listings->file.cString),fileStat.st_size); //allocate memory for storing the file contents
listings->file.length = fread(listings->file.cString,1,fileStat.st_size,f); //read file
fclose(f);//close file
listings->count=charCount(listings->file, '\n'); //number of entries set by number of newline characters (not foolproof but it works)
//makes code easier to read
fileLength=listings->file.length;
fileCString=listings->file.cString;
listingCount=listings->count;
assignMemory(memory, (void **) &(listings->entry),listingCount*sizeof(string));
assignMemory(memory, (void **) &(listings->currency),listingCount*sizeof(string));
assignMemory(memory, (void **) &(listings->manufacturer),listingCount*sizeof(string));
assignMemory(memory, (void **) &(listings->price),listingCount*sizeof(string));
assignMemory(memory, (void **) &(listings->title),listingCount*sizeof(string));
//parse listing buffer (listing file content)
for (i=0; i<fileLength && count< listingCount; i++) { //loop through entire listing buffer
if(j==0 && fileCString[i]!='\r'){ //begining of new entry/listing/line
listings->entry[count].cString=&(fileCString[i]);
}
if (fileCString[i]=='\n') { //end of an entry/listing/line
listings->entry[count].length=j;
j=0;
count++;
}
else if(fileCString[i]=='"'){ //start of a header
j++;
i++;
if (cStringCmp(&(fileCString[i]), "price\":\"")==8) {
j+=8;
i+=8;
temp=&(listings->price[count]);
}
else if (cStringCmp(&(fileCString[i]), "title\":\"")==8) {
j+=8;
i+=8;
temp=&(listings->title[count]);
}
else if (cStringCmp(&(fileCString[i]), "currency\":\"")==11) {
j+=11;
i+=11;
temp=&(listings->currency[count]);
}
else if (cStringCmp(&(fileCString[i]), "manufacturer\":\"")==15) {
j+=15;
i+=15;
temp=&(listings->manufacturer[count]);
}
else{break;}
temp->cString=&(fileCString[i]);
for (k=0; (i+k)<fileLength && fileCString[i+k]!=0 && (fileCString[i+k]!='"' || fileCString[i+k-1]=='\\') && fileCString[i+k]!='\n' && fileCString[i+k]!='\r'; k++) {}//find end of property (property length)
j+=k+1;
i+=k;
temp->length=k;
}
else{
if(fileCString[i]!='\r'){ //other characters not cared about (",{}" and what not)
j++;
}
}
}
return 0;
}
