https://bugs.documentfoundation.org/show_bug.cgi?id=98802
Bug ID: 98802
Summary: some PNG images are skewed on printing and PDF export
Product: LibreOffice
Version: 5.1.0.3 release
Hardware: x86 (IA32)
OS: Linux (All)
Status: UNCONFIRMED
Severity: normal
Priority: medium
Component: Writer
Assignee: [email protected]
Reporter: [email protected]
Created attachment 123759
--> https://bugs.documentfoundation.org/attachment.cgi?id=123759&action=edit
Source file with PDF exports with 5.0.5 (OK) and 5.1.0 (bad)
On LibreOffice Writer 5.1.0 release, some PNG images are skewed when printing
or exporting to PDF.
The problem does not exist on LibreOffice 5.0.5 release, or in the many
previous versions that I have tried.
The effect seems to depend on the number of colors and on the width.
With PNG 256 colors, it is a problem with the alignment to 4 bytes: it is OK
only if the width is a multiple of 4.
With PNG 16 colors, same problem, but it is OK only if the width or (width+1)
is a multiple of 8 (ex: 103 or 104, since 8*13=104)
Not tried in detail with other number of colors.
My system:
$ uname -a
Linux asuslinux 3.13.0-85-generic #129-Ubuntu SMP Thu Mar 17 20:50:41 UTC 2016
i686 i686 i686 GNU/Linux
$ lsb_release -a
LSB Version:
core-2.0-ia32:core-2.0-noarch:core-3.0-ia32:core-3.0-noarch:core-3.1-ia32:core-3.1-noarch:core-3.2-ia32:core-3.2-noarch:core-4.0-ia32:core-4.0-noarch:core-4.1-ia32:core-4.1-noarch:security-4.0-ia32:security-4.0-noarch:security-4.1-ia32:security-4.1-noarch
Distributor ID: Ubuntu
Description: Ubuntu 14.04.4 LTS
Release: 14.04
Codename: trusty
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