Improve the sample depth scaling for greyscale PNG files.

Jira info key: SANSELAN-72



git-svn-id: https://svn.apache.org/repos/asf/commons/proper/sanselan/trunk@1325915 13f79535-47bb-0310-9956-ffa450edef68
1 file changed
tree: 4f309614f609e89cf4162f7e79305faa89f7c784
  1. src/
  2. LICENSE.txt
  3. NOTICE.txt
  4. pom.xml
  5. README.txt
  6. RELEASE_NOTES