Map2d<bool> *classifyneighbours() {
#define toavoid 0
#define tocheck 1
#define totext 2
Map2d<uchar> *todo=new Map2d<uchar>(image->width/topres,image->height/topres,tocheck);
for (int res=topres;res>=botres;res=res/2) {
Map2d<uchar> *todonext=todo->scaledby(1);
Map2d<float> *score=new Map2d<float>(todo->width,todo->height);
for (int i=0;i<todo->width;i++)
for (int j=0;j<todo->height;j++) {
List<Pixel> vs;
for (int x=i*res;x<(i+1)*res;x++)
for (int y=j*res;y<(j+1)*res;y++)
vs.add(newPixel(x,y));
float c=classify(&vs);
// float c=measurehiststability(i*res,j*res,(i+1)*res-1,(j+1)*res-1);
score->setpos(i,j,c);
vs.freedom();
if (todo->getpos(i,j)==tocheck) {
if (res>botres) {
if (c>istext) {
todonext->setpos(i,j,totext);
for (int x=-1;x<=1;x++)
for (int y=-1;y<=1;y++)
if (x!=0 || y!=0)
if (todonext->inmap(i+x,j+y))
if (todonext->getpixel(i+x,j+y)!=totext)
todonext->setpixel(i+x,j+y,tocheck);
} else if (c>notext)
todonext->setpixel(i,j,tocheck);
else
todonext->setpixel(i,j,toavoid);
} else {
if (c>0.5)
todonext->setpixel(i,j,totext);
}
}
if (todonext->getpos(i,j)==totext) {
for (int x=-1;x<=1;x++)
for (int y=-1;y<=1;y++)
if (x!=0 || y!=0)
if (todonext->inmap(i+x,j+y))
if (todonext->getpixel(i+x,j+y)!=totext)
todonext->setpixel(i+x,j+y,tocheck);
}
}
destroy(todo);
int f=getnextfilenum();
todonext->scaledto(image->width/botres,image->height/botres)->writefiletop(Sformat("level%i.bmp",f),2);
score->scaledto(image->width/botres,image->height/botres)->writefile(Sformat("measure%i.bmp",f));
destroy(score);
todo=todonext->scaledby(2);
destroy(todonext);
}
return todo->threshold(0.3);
}
// -deprecated nah ballbag!
List<Pixel> pixelsincircle(int cx,int cy,int rad) {
List<Pixel> l;
for (int x=-rad;x<=rad;x++) {
int h=(int)sqrt(rad*rad-x*x);
for (int y=-h;y<=h;y++) {
Pixel p=newPixel(cx+x,cy+y);
l+p;
}
}
return l;
}
int main(void){
FILE *fp = fopen("img.ppm","wb");
(void) fprintf(fp, "P6\n%d %d\n255\n",WIDTH,HEIGHT);
RGBPixel *pixelBuffer = calloc(HEIGHT * WIDTH, sizeof(RGBPixel));
clearBuffer(pixelBuffer, newPixel(0xFF,0xFF,0xFF));
Vertex pyramid[5];
pyramid[0].p = newVec3(-100,0,200);
pyramid[0].numadj = 1;
pyramid[0].adj = malloc(sizeof(int) * pyramid[0].numadj);
pyramid[0].adj[0] = 1;
pyramid[1].p = newVec3(100,0,200);
pyramid[1].numadj = 1;
pyramid[1].adj = malloc(sizeof(int) * pyramid[1].numadj);
pyramid[1].adj[0] = 2;
pyramid[2].p = newVec3(0,0,100);
pyramid[2].numadj = 2;
pyramid[2].adj = malloc(sizeof(int) * pyramid[2].numadj);
pyramid[2].adj[0] = 3;
pyramid[2].adj[1] = 0;
pyramid[3].p = newVec3(0, 100, 150);
pyramid[3].numadj = 3;
pyramid[3].adj = malloc(sizeof(int) * pyramid[4].numadj);
pyramid[3].adj[0] = 0;
pyramid[3].adj[1] = 1;
pyramid[3].adj[2] = 2;
RGBPixel red = {0xFF,0,0};
RGBPixel green = {0,0xFF,0};
line(pixelBuffer,0,HEIGHT/2,WIDTH,HEIGHT/2,green);
line(pixelBuffer,WIDTH/2,0,WIDTH/2,HEIGHT,green);
drawPolygon(pixelBuffer, pyramid, PYRAMID_VERTICES, red);
(void) fwrite((void *)pixelBuffer,sizeof(RGBPixel),HEIGHT * WIDTH,fp);
(void) fclose(fp);
for(int i = 0; i<4; i++){
free(pyramid[i].adj);
}
return 0;
}
void topdown(int l,int t,int r,int b) {
//printf("a %i %i %i %i\n",l,t,r-l,b-t);
List<Pixel> vs;
for (int i=l;i<r;i++)
for (int j=t;j<b;j++)
vs.add(newPixel(i,j));
float c=classify(&vs);
vs.freedom();
if (r-l>botres || b-t>botres) {
if (c>istext) {
bin->setrectangle(l,t,r-l,b-t,depower(r-l,2));
}
else if (c>notext) {
int mx=(l+r)/2;
int my=(t+b)/2;
topdown(l,t,mx,my);
topdown(mx,t,r,my);
topdown(l,my,mx,b);
topdown(mx,my,r,b);
}
} else if(c>0.5)
bin->setrectangle(l,t,r-l,b-t,true);
}