update thirdparty, add build script

2026-09-01 15:09:19 +00:00 · 2020-11-04 04:02:29 +03:00
parent 85a22a3a92
commit 96dfacf659
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+This demonstrates the use of PNG_USER_CONFIG, pngusr.h and pngusr.dfa
+to build minimal decoder, encoder, and progressive reader applications.
+
+See the individual README and pngusr.dfa files for more explanation.