https://bugs.documentfoundation.org/show_bug.cgi?id=153190
Bug ID: 153190
Summary: Compressing tool calculates compression rate wrong on
large images
Product: LibreOffice
Version: 7.3.7.2 release
Hardware: x86-64 (AMD64)
OS: Linux (All)
Status: UNCONFIRMED
Severity: normal
Priority: medium
Component: LibreOffice
Assignee: [email protected]
Reporter: [email protected]
Description:
Uint16 Overflow on the compression rate calculation
Steps to Reproduce:
1. Load a large png image (eg. 70 MB) into impress
2. Call the compression tool
3. Let it calculate the compression rate
Actual Results:
Compression Rate: -18%
Expected Results:
Compression Rate: 98%
Reproducible: Always
User Profile Reset: No
Additional Info:
There is an UNIT16 overflow since the image is larger than 65535
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