Guest User

ppm1024(4).cpp

a guest
Aug 2nd, 2014
6,148
Never
Not a member of Pastebin yet? Sign Up, it unlocks many cool features!
  1. // NOTE: compile with g++ filename.cpp -std=c++11
  2. //    also, if this doesn't work for you, try the alternate char-based version
  3.  
  4. #include <iostream>
  5. #include <cmath>
  6. #define DIM 1024
  7. #define DM1 (DIM-1)
  8. #define _sq(x) ((x)*(x))                           // square
  9. #define _cb(x) abs((x)*(x)*(x))                    // absolute value of cube
  10. #define _cr(x) (unsigned short)(pow((x),1.0/3.0))  // cube root
  11.  
  12. unsigned short GR(int,int);
  13. unsigned short BL(int,int);
  14.  
  15. unsigned short RD(int i,int j){
  16.     // YOUR CODE HERE
  17. }
  18. unsigned short GR(int i,int j){
  19.     // YOUR CODE HERE
  20. }
  21. unsigned short BL(int i,int j){
  22.     // YOUR CODE HERE
  23. }
  24.  
  25. void pixel_write(int,int);
  26. FILE *fp;
  27. int main(){
  28.     fp = fopen("MathPic","wb");
  29.     fprintf(fp, "P6\n%d %d\n1023\n", DIM, DIM);
  30.     for(int j=0;j<DIM;j++)
  31.         for(int i=0;i<DIM;i++)
  32.             pixel_write(i,j);
  33.     fclose(fp);
  34.     return 0;
  35. }
  36. void pixel_write(int i, int j){
  37.     static unsigned short color[3];
  38.     color[0] = RD(i,j)&DM1;
  39.     color[1] = GR(i,j)&DM1;
  40.     color[2] = BL(i,j)&DM1;
  41.     fwrite(color, 2, 3, fp);
  42. }
RAW Paste Data

Adblocker detected! Please consider disabling it...

We've detected AdBlock Plus or some other adblocking software preventing Pastebin.com from fully loading.

We don't have any obnoxious sound, or popup ads, we actively block these annoying types of ads!

Please add Pastebin.com to your ad blocker whitelist or disable your adblocking software.

×