GIF flattening

*** Please report new bugs here! ***

Moderator: Dreamer

User avatar
xyz
Posts: 33
Joined: Mon Apr 24, 2006 8:14 am
Location: Moscow

GIF flattening

Post by xyz »

XNView 2.50
Some GIFs displayed as GIF flattened.
You do not have the required permissions to view the files attached to this post.
User avatar
XnTriq
Moderator & Librarian
Posts: 5917
Joined: Sun Sep 25, 2005 3:00 am
Location: Ref Desk

Re: GIF flattening

Post by XnTriq »

According to XnView, your sample has different DPI values for X and Y (72×18). Adjust zoom if X/Y DPI are different in ToolsSettings…GeneralGeneral usually takes care of that. It makes no sense that the sample file is displayed correctly, if this option is turned off :-?
User avatar
xyz
Posts: 33
Joined: Mon Apr 24, 2006 8:14 am
Location: Moscow

Re: GIF flattening

Post by xyz »

Unchecking this option are fixed problem.

So it's probably a good idea to show a warning to the user or a message in the status bar in this case.
This warning could have a button to invoke the SET DPI dialog box.
User avatar
XnTriq
Moderator & Librarian
Posts: 5917
Joined: Sun Sep 25, 2005 3:00 am
Location: Ref Desk

Re: GIF flattening

Post by XnTriq »

xyz wrote: Sat Sep 04, 2021 11:04 amSo it's probably a good idea to show a warning to the user or a message in the status bar in this case.
Yes, I agree.
xyz wrote: Sat Sep 04, 2021 11:04 amThis warning could have a button to invoke the SET DPI dialog box.
As far as I know, the GIF file format (GIF87a/GIF89a) doesn't support DPI settings.
User avatar
xyz
Posts: 33
Joined: Mon Apr 24, 2006 8:14 am
Location: Moscow

Re: GIF flattening

Post by xyz »

XnTriq wrote: Sun Sep 05, 2021 9:00 am
xyz wrote: Sat Sep 04, 2021 11:04 amThis warning could have a button to invoke the SET DPI dialog box.
As far as I know, the GIF file format (GIF87a/GIF89a) doesn't support DPI settings.
tl;dr, but Change DPI tool work fine with this file
You do not have the required permissions to view the files attached to this post.
User avatar
XnTriq
Moderator & Librarian
Posts: 5917
Joined: Sun Sep 25, 2005 3:00 am
Location: Ref Desk

Re: GIF flattening

Post by XnTriq »

xyz wrote: Mon Sep 06, 2021 1:35 amChange DPI tool work fine with this file
Confirmed 8-)