PNG_ENCODE_ALPHA  110 3rdparty/libpng/pngrtran.c    png_ptr->transformations &= ~PNG_ENCODE_ALPHA;
PNG_ENCODE_ALPHA  290 3rdparty/libpng/pngrtran.c          png_ptr->transformations &= ~PNG_ENCODE_ALPHA;
PNG_ENCODE_ALPHA  296 3rdparty/libpng/pngrtran.c          png_ptr->transformations &= ~PNG_ENCODE_ALPHA;
PNG_ENCODE_ALPHA  304 3rdparty/libpng/pngrtran.c          png_ptr->transformations &= ~PNG_ENCODE_ALPHA;
PNG_ENCODE_ALPHA  311 3rdparty/libpng/pngrtran.c          png_ptr->transformations |= PNG_ENCODE_ALPHA;
PNG_ENCODE_ALPHA 1111 3rdparty/libpng/pngrtran.c       png_ptr->transformations &= ~PNG_ENCODE_ALPHA;
PNG_ENCODE_ALPHA 1177 3rdparty/libpng/pngrtran.c          png_ptr->transformations &= ~PNG_ENCODE_ALPHA;
PNG_ENCODE_ALPHA 1353 3rdparty/libpng/pngrtran.c       png_ptr->transformations &= ~(PNG_BACKGROUND_EXPAND | PNG_ENCODE_ALPHA |
PNG_ENCODE_ALPHA 1374 3rdparty/libpng/pngrtran.c       png_ptr->transformations &= ~PNG_ENCODE_ALPHA;
PNG_ENCODE_ALPHA 1528 3rdparty/libpng/pngrtran.c       )) || ((png_ptr->transformations & PNG_ENCODE_ALPHA)
PNG_ENCODE_ALPHA 2239 3rdparty/libpng/pngrtran.c    if ((png_ptr->transformations & PNG_ENCODE_ALPHA) &&