ColorDrawBuf.this - multiple declarations

Function ColorDrawBuf.this

create ARGB8888 draw buf of specified width and height

this(
  int width,
  int height
);

Function ColorDrawBuf.this

create copy of ColorDrawBuf

this(
  ColorDrawBuf v
);

Function ColorDrawBuf.this

create resized copy of ColorDrawBuf

this(
  ColorDrawBuf v,
  int dx,
  int dy
);