Lines Matching full:png_debug
4464 The macro definition PNG_DEBUG can be used to request debugging
4470 When PNG_DEBUG > 0, the following functions (macros) become available:
4472 png_debug(level, message)
4476 in which "level" is compared to PNG_DEBUG to decide whether to print
4485 if (PNG_DEBUG > 2)
4488 When PNG_DEBUG is defined but is zero, the macros aren't defined, but you
4489 can still use PNG_DEBUG to control your own debugging:
4491 #ifdef PNG_DEBUG
4495 When PNG_DEBUG = 1, the macros are defined, but only png_debug statements
