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Make e4 model fragments hidpi aware (icons) [message #1827099]

Thu, 07 May 2020 08:07

Lena w

Messages: 7
Registered: May 2020

Junior Member

Hi everybody.

I hope this is the correct place to post my question.

So I'm currently trying to make an Eclipse 4 RCP appliation HiDPI aware. Strictly speaking, I'm trying to use HiDPI aware images (SVG). It's working fine when I programmatially create png images from these SVGs on fly and display them dynamically.
But I have some fragment.e4xmi files e.g. for a toolbar menu with icons in it (using png images referenced by iconURI which look blury on HiDPI).
How can I make these declaratively defined model fragments HiDPI aware for images?

Maybe someone here can point me into the right direction.

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Re: Make e4 model fragments hidpi aware (icons) [message #1828221 is a reply to message #1827099]

Thu, 04 June 2020 10:25

Rolf Theunissen

Messages: 260
Registered: April 2012

Senior Member

I think Eclipse only supports the .png images an @2x.png images to get some scaling.

There is a bug open to add support for SVG images [1]. Support on GTK has been added, Windows and Mac still need to be done. As you are programmatically creating the png images, you could provide patches via Gerrit to support this.

A workaround for you could be overriding SWTPartRenderer#getImage, and provide a set of custom Renderers for you application [2].

[1] https://bugs.eclipse.org/bugs/show_bug.cgi?id=545800
[2] https://wiki.eclipse.org/Eclipse4/RCP/Modeled_UI/Rendering_the_Model

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