utils/dlang/zgrab_save.d

   1 import arsd.image;
   2 import iv.vfs.io;
   3
   4
   5 PNG *loadPng (string fname) {
   6   import std.file;
   7   return readPng(cast(ubyte[])read(fname));
   8 }
   9
  10
  11 void main (string[] args) {
  12   foreach (string fname; args[1..$]) {
  13     auto png = loadPng(fname);
  14     foreach (ref const cc; png.chunks) {
  15       if (cast(const(char)[])cc.type[] == "grAb") {
  16         if (cc.payload.length == 0) continue;
  17         bool allZero = true;
  18         foreach (const ubyte b; cc.payload) if (b != 0) { allZero = false; break; }
  19         if (allZero) continue;
  20         auto fo = VFile(fname~".grAb", "w");
  21         fo.rawWriteExact(cc.payload[]);
  22       }
  23     }
  24   }
  25 }