Lines Matching full:callbacks
1476 callbacks when it has the info, a row, or the end of the image. You
1477 set up these callbacks with png_set_progressive_read_fn(). You don't
1522 from inside the callbacks using the function
1733 Write callbacks
2503 goes through callbacks that are user-settable. The default routines are
2538 the method of I/O, the library supplies callbacks that you can set
2585 functions, you will need to set up your own message callbacks. These
2619 and writing chunks of unknown type; you can even declare callbacks
2921 Setting the error callbacks via png_set_message_fn() before
2925 to set the error callbacks AFTER png_read_init(), or to change them with