Problem with X and JPEG2000 images

Ilya Anfimov ilan at
Fri Jan 1 22:08:23 UTC 2021

On Fri, Jan 01, 2021 at 10:12:13AM -0800, Alan Coopersmith wrote:
> On 1/1/21 5:37 AM, szukw000 wrote:
> > I use fltk-1.4 . Large images are not shown with LINUX:
> > 
> > image size: 811 792 452 Byte
> > 
> > ESP_028011_2055_RED.JP2(28260 x 52834)
> The X11 coordinate space is defined as signed 16-bit numbers, so maxes
> out at 32767.  This is deeply embedded in the X11 protocol, and cannot
> be changed without revising the protocol to create X version 12, but

 Well, I disagree with this statement.

 I think that resolution could be "virtualised", so that old apps
would see some reasonably high definition screen with  some  more
or  less  fixed DPI or something like DPI (perhaps dots per radi-
 While some extension would allow to obtain more  physical  pixel
properties  of  windows/screens  without  disturbing apps and li-
braries that stuck to an old two-dimensional 15-bit  coord  tris-
timulus  pixels,  and  to implement coordinate transformations to
draw  with  extended  resolution  on  existing  windows  or  even

 It  is  just  not really necessary now, considering that even 8k
screens are really rare.

> the development community is putting it's efforts into Wayland instead
> now.
> -- 
> 	-Alan Coopersmith-               alan.coopersmith at
> 	 Oracle Solaris Engineering -
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