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bug#2843: 23.0.92; Emacs.app cannot display X bitmaps

From: Peter Dyballa
Subject: bug#2843: 23.0.92; Emacs.app cannot display X bitmaps
Date: Mon, 11 Jul 2011 17:27:48 +0200

Am 11.07.2011 um 17:10 schrieb Alp Aker:

Pyter Dyballa wrote:

The NS variant of GNU Emacs 24.0.50 shows the GNU Emacs logo slightly
different than splash.png

What difference do you see?

The colours of the PNG file are lighter, less saturated and the light 3D shades at the NE and NW corners have less contrast to the basic colour. See attached screen shot!

PNG image

And it cannot display splash.svg

This image format isn't supported on NS, because the Cocoa image library doesn't support svg images. But that's not a bug since the NS port will tell you that it's not supported:

 (image-type-available-p 'svg)
 ==> nil

In principle the NS port could use librsvg or ImageMagick, but that would require a substantial revision of the image support code, so I doubt it's going to happen any time soon.

There is also WebKit, which can handle SVG.



"Klingon function calls do not have 'parameters' - they have 'arguments' - and they ALWAYS WIN THEM."

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