Bug 150972 - Tiny text in small subscript causes underflow
Summary: Tiny text in small subscript causes underflow
Status: NEW
Alias: None
Product: LibreOffice
Classification: Unclassified
Component: Writer (show other bugs)
Version:
(earliest affected)
3.5.7.2 release
Hardware: All All
: medium trivial
Assignee: Not Assigned
URL:
Whiteboard:
Keywords:
Depends on:
Blocks: Font-Rendering
  Show dependency tree / graph
 
Reported: 2022-09-15 09:58 UTC by Aptitek
Modified: 2022-09-16 14:20 UTC (History)
2 users (show)

See Also:
Crash report or crash signature:

Attachments
Sample file (12.13 KB, application/vnd.oasis.opendocument.text)
2022-09-15 19:32 UTC, Rafael Lima 		Details
View All Add an attachment (proposed patch, testcase, etc.)

Note You need to log in before you can comment on or make changes to this bug.
Description Aptitek 2022-09-15 09:58:05 UTC 
Description:
When setting a text to size 2 and then subscript relative font size to less than 2% the text gets big and compressed without spacing between letters

Steps to Reproduce:
1. Right clic on text, character
2. set size to 2 pt
3. set subscript relative font size to less than 2%

Actual Results:
Text is big and without spacing

Expected Results:
Ridiculously and unnecessarily small text


Reproducible: Always


User Profile Reset: No



Additional Info:
[Information automatically included from LibreOffice]
Locale: en-US
Module: TextDocument
[Information guessed from browser]
OS: Linux (All)
OS is 64bit: yes
Comment 1 Rafael Lima 2022-09-15 19:32:12 UTC 
Created attachment 182474 [details]
Sample file

Here's a sample file reproducing the bug. Indeed using font size 2pt and relative size of 2% or less, the result is unexpectedly big.

Tested with

Version: 7.5.0.0.alpha0+ / LibreOffice Community
Build ID: 35702fd6781542f5eefbd3710304ab9a25ac61fe
CPU threads: 16; OS: Linux 5.15; UI render: default; VCL: kf5 (cairo+xcb)
Locale: pt-BR (pt_BR.UTF-8); UI: en-US
Calc: threaded

Also repro in

Version: 7.2.7.2 / LibreOffice Community
Build ID: 8d71d29d553c0f7dcbfa38fbfda25ee34cce99a2
CPU threads: 16; OS: Linux 5.15; UI render: default; VCL: kf5 (cairo+xcb)
Locale: pt-BR (pt_BR.UTF-8); UI: en-US
Calc: threaded
Comment 2 Rafael Lima 2022-09-15 19:33:34 UTC 
I'm setting this to NEW, but this bug seems minor since it only happens in very unusual conditions.
Comment 3 Telesto 2022-09-16 14:20:29 UTC 
Also in
4.4.7.2

and in
LibreOffice 3.5.7.2 
Build ID: 3215f89-f603614-ab984f2-7348103-1225a5b