[Libreoffice-bugs] [Bug 142288] New: FORMATTING: Impress "Screen 16:9/4:3" and PowerPoint "On-screen Show (16:9/4:3)" are different format

[bugzilla-daemon at bugs.documentfoundation.org]

https://bugs.documentfoundation.org/show_bug.cgi?id=142288

            Bug ID: 142288
           Summary: FORMATTING: Impress "Screen 16:9/4:3" and PowerPoint
                    "On-screen Show (16:9/4:3)" are different format
           Product: LibreOffice
           Version: 7.1.3.2 release
          Hardware: All
                OS: All
            Status: UNCONFIRMED
          Severity: normal
          Priority: medium
         Component: Impress
          Assignee: libreoffice-bugs at lists.freedesktop.org
          Reporter: nogajun at gmail.com

Description:
Impress "Screen 16:9/4:3" and PowerPoint "On-screen show 16:9/4:3" are sized
differently. When I load the files, the screen format is "User". I want to
match the sizes for interoperability.

Steps to Reproduce:
1. Open Microsoft Powerpoint 2019/365.
2. Click Design tab -> Slide Size, and select "Custom Slide Size".
3. Select the On-screen show 16:9(4:3,16:10) and check the size.
4. Open Impress.
5. Open Slides -> Slide Properties.
6. Select the Screen 16:9(4:3,16:10) and check the size.

PowerPoint and Impress have different sizes for the same screen. see below

PowerPoint's screen size:
    * On-screen Show(16:9): 25.4cm x 14.288cm
    * On-screen Show(16:10): 25.4cm x 15.875cm
    * On-screen Show(4:3): 25.4cm x 14.288cm

    See
https://support.microsoft.com/en-us/office/change-the-size-of-your-slides-040a811c-be43-40b9-8d04-0de5ed79987e

Impress's screen size:

    * Screen 16:9: 28.00cm x 15.75cm
    * Screen 16:10: 28.00cm 17.50cm
    * Screen 4:3: 28.00cm x 21.00cm


Actual Results:
load pptx, the size is "User".

Expected Results:
load pptx(On-screen Show(16:9)), the size is "Screen 16:9". Interoperability
will be ensured.


Reproducible: Always


User Profile Reset: No



Additional Info:
PowerPoint version
Microsoft® PowerPoint® for Microsoft 365 MSO (16.0.13929.20222) 64-bit 

LibreOffice version
Version: 7.1.3.2 (x64) / LibreOffice Community
Build ID: 47f78053abe362b9384784d31a6e56f8511eb1c1
CPU threads: 2; OS: Windows 10.0 Build 19042; UI render: default; VCL: win
Locale: ja-JP (ja_JP); UI: en-US
Calc: threaded

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