Lines Matching refs:CHOP
184 /* Chop 16-bit depth files to 8-bit depth */
1505 # define CHOP(x) (x)=((png_uint_16)PNG_DIV257(x))
1506 CHOP(png_ptr->background.red);
1507 CHOP(png_ptr->background.green);
1508 CHOP(png_ptr->background.blue);
1509 CHOP(png_ptr->background.gray);
1510 # undef CHOP
2012 * set the code below will do that in preference to the chop.
