Lines Matching refs:vpAg
633 /* Demonstration of user chunk support of the sTER and vpAg chunks */
635 /* (sTER is a public chunk not yet known by libpng. vpAg is a private
737 /* Found ImageMagick vpAg chunk */
743 return (0); /* duplicate vpAg */
767 png_byte vpAg[5] = {118, 112, 65, 103, '\0'};
772 fprintf(STDERR, " vpAg = %lu x %lu, units = %d\n",
780 png_write_chunk(write_ptr, vpAg, vpag_chunk_data, 9);
791 * vpAg chunks, resulting in an error later. This is not worth worrying
1633 /* When the unknown vpAg/sTER chunks are written by pngtest the only way to
1636 * There seems to be no way round this, however vpAg/sTER are not expected
