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Re: [PATCH] Use wxImage instead of wxBitmap in COLOR4D picker (Fixes LP:1718389)
The problem is caused by the alpha channel of KIGFX::COLOR4D being
initialised to 0. This causes the color pickers to be invisible if the
alpha channel is not set. I sent a patch for this in a separate thread.
macOS is actually the only platform where the color picker behaves
correctly XD. Ubuntu Unity and Windows seem to just ignore the alpha
channel (did not test on any other platforms).
On 29 September 2017 at 10:59:03, jp charras (jp.charras@xxxxxxxxxx) wrote:
Le 29/09/2017 à 01:33, Jon Evans a écrit :
> Hi all,
> The COLOR4D_PICKER_DLG has not been working on macOS .
> Through some experimentation, I found that drawing to a wxBitmap in
> createHSVBitmap() just doesn't work on macOS. I am not sure how to fix
it, but I did find out that
> drawing to a wxImage works just fine, so in the attached patch I switch
those two methods to use
> If anyone can figure out why the wxBitmap stuff works on Windows/Linux
but not macOS, maybe there is
> a simpler way to fix this, but if not, the patch could be a good
workaround (maybe it's a wx bug?)
Thanks Jon for having a look into this issue.
Using alpha channel in wxImage+wxBitmap creates issues( not visible cursors
and axis outside the
palettes, and incorrect color of cursors)
I removed the alpha channel.
Please, can you test this patch on macOS ?
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