unknown_font_scaler_error

font_scaler_streaming_aborted

font_scaler_api_version_mismatch

font_scaler_fixed_overflow

font_scaler_invalid_matrix

font_scaler_internal_error

font_scaler_rasterizer_error

font_scaler_hinting_error

unsupported_font_scaler_font_format

unsupported_font_scaler_stream_format

unsupported_font_scaler_outline_format

required_font_scaler_table_missing

font_scaler_outline_allocation_failed

font_scaler_bitmap_allocation_failed

font_scaler_getfonttable_failed

font_scaler_newblock_failed

invalid_font_scaler_font_data

invalid_font_scaler_input

invalid_font_scaler_context

null_font_scaler_input

null_font_scaler_context