Hi Miklos,
you are right. Modified() should always be called if any of the
properties has changed.
This has just recently been fixed in commit:
ed3a1760c7bbe27b72cfb3459b732f9741debb4b
I hope that I didn't miss anything there.
Christoph
On 01/14/2015 04:31 PM, Miklos Espak wrote:
> This works, although I would be still curious if the update could be
> directly triggered. Moreover, the Modified() function should be
> invoked by SetText() or SetProperty() IMO.
>
> textOverlay->SetText("hallo");
> textOverlay->Modified();
>
>
> On 14 January 2015 at 15:25, Miklos Espak <[email protected]> wrote:
>> Hi,
>>
>> is it possible to change the text of a text overlay and update the
>> screen or you need to create a new TextOverlay2D instance any time
>> when you want to change the text.
>>
>> I want to show the pixel intensities at the crosshair as an
>> annotation, but cannot update the text.
>>
>> I tried these so far, with no success:
>>
>> for (int i = 0; i < 3; ++i)
>> {
>> mitk::BaseRenderer* renderer = m_RenderWindows[i]->GetRenderer();
>> mitk::OverlayManager::Pointer overlayManager =
>> renderer->GetOverlayManager();
>>
>> mitk::TextOverlay2D::Pointer textOverlay = m_TextOverlays[i];
>> textOverlay->SetText("hallo");
>> textOverlay->Update(renderer);
>> renderer->RequestUpdate();
>> mitk::AbstractOverlayLayouter::Pointer layouter =
>> overlayManager->GetLayouter(renderer,
>> mitk::Overlay2DLayouter::STANDARD_2D_BOTTOMRIGHT());
>> layouter->RemoveOverlay(textOverlay);
>> layouter->AddOverlay(textOverlay);
>> overlayManager->UpdateOverlays(renderer);
>> }
>>
>>
>> The text was "hello" initially, and it does not change to "hallo".
>>
>> Is it a bug or am I missing something?
>>
>> Thanks,
>> Miklos
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