TJCompressor.compress(): Fix lossls buf size calc

2024-08-23 12:48:01 -04:00
parent 0acb084464
commit de4bbac55e
2 changed files with 7 additions and 0 deletions
--- a/java/org/libjpegturbo/turbojpeg/TJCompressor.java
+++ b/java/org/libjpegturbo/turbojpeg/TJCompressor.java
@@ -485,6 +485,8 @@ public class TJCompressor implements Closeable {
    } else {
      checkSubsampling();
      int subsamp = get(TJ.PARAM_SUBSAMP);
+      if (get(TJ.PARAM_LOSSLESS) == 1 && subsamp != TJ.SAMP_GRAY)
+        subsamp = TJ.SAMP_444;
      buf = new byte[TJ.bufSize(srcWidth, srcHeight, subsamp)];
    }
    compress(buf);