Hi Jeremy,
thanks for your fast reply.
> You shouldn't have to manually set the texture coordinates like that if
> you don't want; you could use ->setImage("...", true) with the right Y
> setting in the WindowManager and it should behave how you want. Either
> way is fine, though. :)
Yes i know, this was just implemented while i got no label texture
working. ;o)
> I don't think there's a bug. Try calling:
>
> left->setColor(1.0f, 1.0f, 1.0f, 1.0f);
Damn stupid! I was blink by testing! This was my fault. Thanks for the
hint. You prevent me from sleepless nights ;o)
Best regards,
Christian
Jeremy Moles wrote:
> On Fri, 2008-10-10 at 17:58 +0200, Christian Heine wrote:
>> Hi folks,
>>
>> I'm actually integrate osgWidget as GUI library in our engine. I know
>> it's beta status, but it's pure OSG and we think a better solution
>> than other third libraries like CEGUI.
>>
>> My first test are working well. Now i try to extend simple things,
>> i.e. add a mechanism to set textures for the widgets. I got the
>> problem that i couldn't define a texture for a Label, which is an
>> extension of the main widget class.
>>
>> This code snippet works well on a osgWidget::Widget:
>>
>> osgWidget::Widget* left = new osgWidget::Widget("left");
>> left->addSize(300.0f, 42.0f);
>> left->setImage ("gfx/tga/bar.tga", false);
>> left->setCanFill(true);
>> left->setTexCoord(0.0f, 0.0f, osgWidget::Widget::LOWER_LEFT);
>> left->setTexCoord(1.0f, 0.0f, osgWidget::Widget::LOWER_RIGHT);
>> left->setTexCoord(1.0f, 1.0f, osgWidget::Widget::UPPER_RIGHT);
>> left->setTexCoord(0.0f, 1.0f, osgWidget::Widget::UPPER_LEFT);
>> m_container->addWidget(left);
>
> You shouldn't have to manually set the texture coordinates like that if
> you don't want; you could use ->setImage("...", true) with the right Y
> setting in the WindowManager and it should behave how you want. Either
> way is fine, though. :)
>
>> But when i change the initialization to an osgWidget::Label instance,
>> i got the label without any texture. Is this a known bug?
>
> I don't think there's a bug. Try calling:
>
> left->setColor(1.0f, 1.0f, 1.0f, 1.0f);
>
> ...and it should be just fine. Be default, a Label object sets it's
> Widget color to be completely transparent, so I'm guessing the texture
> is there just not visible (or rather, it's alpha is 0.0f).
>
>> I think it should be possible to define a textured background for a
>> label while you could define the label as semi or non transparent...
>>
>> Best regards,
>> Christian
>>
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>> osg-users@lists.openscenegraph.org
>> http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
>>
>
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