There seem to be is some issues in Trunk on conversion between 32 bit and
16 bit display depth. Changing display depth shows the issue.
When I open the monkey1.png it has transparent pixels in 32 bit but opaque
white in 16.



Karl

On Fri, Dec 12, 2014 at 8:09 PM, tim Rowledge <tim at rowledge.org> wrote:
>
>
> On 12-12-2014, at 3:04 AM, Bert Freudenberg <bert at freudenbergs.de> wrote:
>
> > On 12.12.2014, at 04:47, tim Rowledge <tim at rowledge.org> wrote:
> >>
> >> monkey1.png where the background should be transparent but appears as
> white -https://copy.com/lgAtv9rDlTGaGb9m
> >> bananas1.png (similar but different in detail) -
> https://copy.com/Vsj8lgqtyQmwIerA
> >
> > Both work fine if I simply drop them into a 4.5 image. I can
> move/rotate/scale no problem. Shadow rendering is not nice, but that's a
> problem of the shadow renderer, not the bitmap itself.
>
> Sigh. It looks ok when used that way because the process makes a
> SketchMorph which draws by use of blending. Which is pretty much exactly
> what I said, though possibly rather long-windedly. Scratch has to use
> paint. Well, it could of course be changed to use blend but as previously
> explained that has a risk of messing up old projects and costing too much
> time on slower machines.
>
> OK, I give up.
>
> tim
> --
> tim Rowledge; tim at rowledge.org; http://www.rowledge.org/tim
> How do I set my laser printer on stun?
>
>
>
>
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