Thanks Allan,

Looks interesting, I will have a play around with this when I can 
I was hoping I might be able to call out to ImageMagick to generate a suitable ICNS icon, but from what I can see it doesn't support ICNS forma, which is a shame.

- Do 'marks' persist in any way, in projects or maybe tm settings? 
Ie, if I was to pass a /tmp/some_temp_file.icns, would that cause an issue later if the /tmp file was later deleted and Tm relaunched?

- I wonder how feasible it would be for TM to allow a new switch in the mark API, something like...
"$TM_MATE" --set-mark-bg-color "#FF0000" --line 3

This would let us set the background color of the gutter, irrespective of the theme
And also allow it to be used independantly of the current monochrome marks feature. 

Just a thought anyway, not sure how easy it would be 

Thanks
Paul









On 24 May 2016 at 13:39, Allan Odgaard <mailinglist@textmate.org> wrote:
On 24 May 2016, at 14:23, Fabian Zeindl wrote:

Does it have to be a file or can it be base64 data as well?

 You have to provide a path which serves as the identifier for the mark, for example from within TextMate you can press ⌃R on the following line:

        "$TM_MATE" --set-mark "$TM_APP_PATH/Contents/Resources/TextMate.icns" --line 3

This shows the TextMate app icon in the gutter’s third line. You can clear it again using:

        "$TM_MATE" --clear-mark "$TM_APP_PATH/Contents/Resources/TextMate.icns" --line 3

However, now that I just tested the above I realize that gutter marks are rendered as monochrome so that they match any theme.

Though should anyone provide a proof-of-concept for this, I can help out adding support for setting color marks. Could base this simply on image naming conventions to avoid needing new API.

The “difficult” part is scanning the current CSS file and generating image squares for all lines with color specifications, once we have that, it should not be a problem hooking it up to TextMate.


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