BUG? -- In Editor For Type: "image/x-icon"

[TiddlyTweeter]

There appears to be a (cosmetic, but CONFUSING) bug when editing Favicons (image/x-icon).

Replication ...

1. Open for editing a Tiddler of Type: "image/x-icon"
2. Click the button to "Clear image to solid colour" and make a choice ...

Result ...

3. The Tiddler Type auto-changes to unwanted "image/png"

Checked on TW 5.1.21 online. 

Best wishes

TT 

[TiddlyTweeter]

Email repeat ...

[Jeremy Ruston]

Hi TiddlyTweeter

There appears to be a (cosmetic, but CONFUSING) bug when editing Favicons (image/x-icon).

The bitmap editor doesn't know how to edit .ico files because they are not ordinary images; they pack multiple images into a single file. The editor converts the image to a PNG when an attempt is made to edit it. You'll need to edit your .ico files with a separate editor that properly understands the format.

Best wishes

Jeremy

Replication ...

1. Open for editing a Tiddler of Type: "image/x-icon"
2. Click the button to "Clear image to solid colour" and make a choice ...

Result ...

3. The Tiddler Type auto-changes to unwanted "image/png"

Checked on TW 5.1.21 online. 

Best wishes

TT 

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[TiddlyTweeter]

Thanks Jeremy

That is useful. I'm still trying to understand the complexity of .ico/favicon. 

Knowing it matters in some situations.

I think its a good example of where technical knowledge of TW might leverage more. 

But it is down to the more tech user to figure out those details & potentiate them.

Regarding the OP. It was basically simple. That as soon as you edit a favicon in TW is reverts to "png".

That is not a functional issue per se. But as is it is a confusing end-user phenomena.

Best wishes

Josiah 

On Saturday, 23 November 2019 17:00:50 UTC+1, Jeremy Ruston wrote:

Hi TiddlyTweeter

There appears to be a (cosmetic, but CONFUSING) bug when editing Favicons (image/x-icon).

The bitmap editor doesn't know how to edit .ico files because they are not ordinary images; they pack multiple images into a single file. The editor converts the image to a PNG when an attempt is made to edit it. You'll need to edit your .ico files with a separate editor that properly understands the format.

Best wishes

Jeremy

Replication ...

1. Open for editing a Tiddler of Type: "image/x-icon"
2. Click the button to "Clear image to solid colour" and make a choice ...

Result ...

3. The Tiddler Type auto-changes to unwanted "image/png"

Checked on TW 5.1.21 online. 

Best wishes

TT 

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