Lines Matching full:callbacks
2297 callbacks when it has the info, a row, or the end of the image. You
2298 set up these callbacks with png_set_progressive_read_fn(). You don't
2343 from inside the callbacks using the function
2554 .SS Write callbacks
3324 goes through callbacks that are user-settable. The default routines are
3359 the method of I/O, the library supplies callbacks that you can set
3406 functions, you will need to set up your own message callbacks. These
3440 and writing chunks of unknown type; you can even declare callbacks
3742 Setting the error callbacks via png_set_message_fn() before
3746 to set the error callbacks AFTER png_read_init(), or to change them with
