https://bugs.documentfoundation.org/show_bug.cgi?id=157410
Bug ID: 157410
Summary: Use SVG instead of bitmap when possible for HTML
filters
Product: LibreOffice
Version: Inherited From OOo
Hardware: All
OS: All
Status: UNCONFIRMED
Keywords: filter:html
Severity: enhancement
Priority: medium
Component: filters and storage
Assignee: [email protected]
Reporter: [email protected]
The following objects can be exported as vector objects from LibreOffice:
- shapes
- fontwork
- formulas
- QR codes / barcodes
For example:
- when exporting a selection from Draw, or exporting the whole document as PDF:
these objects can be manipulated as vector objects. (e.g. in Inkscape.)
- when exporting as XHTML: QR codes use SVG, and formulas use MathML (shapes
and fontworks are missing, different issue).
However, when saving an ODT or ODS as HTML, all these objects are converted to
bitmaps. This means:
- objects with bad resolution, especially for objects like QR codes, rendered
unreadable (likely linked to bug 157323)
- objects that can't be manipulated further (node-by-node, coloring of parts,
breaking, modifying shapes...)
SVG is now widespread and a standard that goes hand-in-hand with HTML on the
web and elsewhere. We should use it instead of bitmap when possible.
Steps:
1. Create ODS or ODT
2. Insert a shape, an OLE formula, a QR code and a fontwork (for fontwork, use
a pure-vector option like "Snow")
3. File > Save as > HTML
4. Reload
Result: all objects are bitmaps
Expected: all objects are vector objects and can be further manipulated.
Version: 24.2.0.0.alpha0+ (X86_64) / LibreOffice Community
Build ID: 91ca15e3f8ae13b22531745a634459a2d9b4596a
CPU threads: 8; OS: Linux 5.15; UI render: default; VCL: gtk3
Locale: en-AU (en_AU.UTF-8); UI: en-US
Calc: threaded
Same in OOo 3.3.
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