PNG_PASS_START_COL 2527 3rdparty/libpng/png.h    -1)-PNG_PASS_START_COL(pass)))>>PNG_PASS_COL_SHIFT(pass))
PNG_PASS_START_COL 2536 3rdparty/libpng/png.h    (((xIn)<<PNG_PASS_COL_SHIFT(pass))+PNG_PASS_START_COL(pass))
PNG_PASS_START_COL 2850 3rdparty/libpng/pngrutil.c       if (row_width <= PNG_PASS_START_COL(pass))
PNG_PASS_START_COL 3044 3rdparty/libpng/pngrutil.c             unsigned int offset = PNG_PASS_START_COL(pass) * pixel_depth;