Problem Description

Some of the format of image in powerpoint got lost after being ocnverted by viewfile macro in Confluence. It occurred in Confluence 4.2 and 4.3. For example the when the image is formatted as Watermark which make the properties lighter, when it got converted on viewfile macro, it become as solid as original image.

Steps to reproduce

1. Create a powerpoint file
2. Put some image inside and make the format as Watermark
3. Save the file
4. Create page in Confluence
5. Add attachment which is the powerpoint file
6. Use viewfile macro and make the file as the source
7. Notice the format lost and it's back to default

Note: You can use the attached ppt file for replicating purpose