On 11/16/2014 10:10 AM, Bernhard Stegmaier wrote:
> Hi Wayne,
> 
> is Windows using WX_OVERLAY?
> I didn’t think so… but I never looked for that.

No.

> 
> The extra redraw events are only generated in case of WX_OVERLAY, which I 
> thought is only used for OSX.
> The only part of the changes that are not inside some WX_OVERLAY #ifdef's are 
> the changes from XOR-mode to DEFAULT mode in drawing some things (rev. 5203 
> in my branch).
> This, however, should have no side-effect otherwise I guess it wouldn’t have 
> worked before?
> 
> Your screenshot very much looks like the one Nick mentioned recently:
>   https://launchpadlibrarian.net/187456875/kicadBug.png
> 
> Are you sure that you see these artifacts only with my changes?

The comparison is between product branch r5288 and your branch r5206.

> 
> 
> Regards,
> Bernhard
> 
> On 16.11.2014, at 15:08, Wayne Stambaugh <[email protected]> wrote:
> 
>> Hey Bernhard,
>>
>> I just finished building and testing your changes.  Something has
>> definitely changed in the rendering.  I get a lot of redraw artifacts
>> (see screen shots) with your changes that I do not get with the current
>> product branch.  It's possible that some extra refresh events are
>> occurring that are causing the problem.  I still have to test this on
>> Linux as well but I am reluctant to merge your changes until we can
>> resolve the windows rendering issue.
>>
>> Wayne
>>
>> On 11/16/2014 7:43 AM, Bernhard Stegmaier wrote:
>>> Hi Wayne,
>>>
>>> yes, it was behind that changes.
>>> Updated to 5288.
>>>
>>>
>>> Thanks,
>>> Bernhard
>>>
>>>> On 16.11.2014, at 02:10, Wayne Stambaugh <[email protected]> wrote:
>>>>
>>>> On 11/15/2014 11:13 AM, Bernhard Stegmaier wrote:
>>>>> Hi all,
>>>>>
>>>>> eeschema still has some not so bad but nevertheless annoying redraw bugs 
>>>>> on OS X (using WX_OVERLAY), e.g., doing a rotate during a move.
>>>>>
>>>>> In the branch
>>>>> lp:~stegmaier/kicad/kicad-eeredraw
>>>>> https://code.launchpad.net/~stegmaier/kicad/kicad-eeredraw
>>>>> I reworked current WX_OVERLAY handling to fix this (this branch does not 
>>>>> contain any other changes).
>>>>>
>>>>> The general idea of the rework is that the drawing code wants to draw 
>>>>> some item if the drawing mode is DEFAULT. If the drawing code wants to 
>>>>> remove an item it uses XOR mode. This is nothing new, it is done that way 
>>>>> at many places but not consistently in all spots.
>>>>> For WX_OVERLAY if some item is to be removed a complete redraw is 
>>>>> triggered (this might not be the most smart approach, but the easiest one 
>>>>> and I did not see any real big performance impact).
>>>>>
>>>>> Rework consists of 3 parts:
>>>>> (1) Remove different WX_OVERLAY specific fixes/workaround being not 
>>>>> consistently used (rev. 5202).
>>>>> (2) Only when WX_OVERLAY is being used: push down the remove/repaint 
>>>>> check to all draw methods (rev. 5201).
>>>>> (3) Change drawing mode consistently to use DEFAULT for drawing and XOR 
>>>>> for removing an item (rev. 5203).
>>>>>
>>>>> I have tested the changes quite some while on OS X and did not notice any 
>>>>> redraw artifacts any longer.
>>>>>
>>>>> Since part (3) also affects other platforms, changes have to be tested 
>>>>> not only on OS X. 
>>>>> However, there should be no change in behavior on platform not using 
>>>>> WX_OVERLAY (in theory).
>>>>>
>>>>> It would be great if this could get merged to main branch.
>>>>>
>>>>>
>>>>> Regards,
>>>>> Bernhard
>>>>>
>>>>
>>>> Bernhard,
>>>>
>>>> Please sync this branch with the latest product branch so I can build
>>>> and test it on windows.  I'm getting the Boost 1.57 avhttp build error
>>>> so you must be a few revision behind.
>>>>
>>>> Thanks,
>>>>
>>>> Wayne
>>>>
>>>>
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>>>
>>
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> 



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