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Resize RenderWidget properly when using different DPI scaling. #1263

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merged 7 commits into from
Aug 27, 2019
Merged

Resize RenderWidget properly when using different DPI scaling. #1263

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eab46c2
Resize RenderWidget properly when using different DPI scaling.
rlober Jun 19, 2018
0d9d5b5
Switch back to double and initialize
Jul 9, 2019
98b173c
Match class member initialization convention
Jul 9, 2019
c79b461
Merge remote-tracking branch 'origin/kinetic-devel' into kinetic-devel
Jul 9, 2019
a3dccd3
Disambiguate double assignment
rlober Aug 14, 2019
b6ae1e1
retain ABI compatibility
rhaschke Aug 27, 2019
bdc4a18
fixup! retain ABI compatibility
rhaschke Aug 27, 2019
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11 changes: 6 additions & 5 deletions src/rviz/ogre_helpers/render_widget.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -48,7 +48,8 @@ namespace rviz
RenderWidget::RenderWidget( RenderSystem* render_system, QWidget *parent )
: QWidget( parent )
, render_system_( render_system )
, render_window_( nullptr )
, render_window_( 0 )
, pixel_ratio_(1.0)
{
setAttribute(Qt::WA_OpaquePaintEvent,true);
setAttribute(Qt::WA_PaintOnScreen,true);
Expand Down Expand Up @@ -81,12 +82,12 @@ RenderWidget::RenderWidget( RenderSystem* render_system, QWidget *parent )

#if QT_VERSION < QT_VERSION_CHECK(5, 0, 0)
QApplication::syncX();
double pixel_ratio = 1.0;
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pixel_ratio_ = 1.0;
#else
QWindow* window = windowHandle();
double pixel_ratio = window ? window->devicePixelRatio() : 1.0;
pixel_ratio_ = window ? window->devicePixelRatio() : 1.0;
#endif
render_window_ = render_system_->makeRenderWindow(win_id, width(), height(), pixel_ratio);
render_window_ = render_system_->makeRenderWindow(win_id, width(), height(), pixel_ratio_);
}

RenderWidget::~RenderWidget()
Expand Down Expand Up @@ -127,7 +128,7 @@ void RenderWidget::resizeEvent(QResizeEvent *)
// VisualizationFrame::onSaveImage()) does not work right for
// window with an odd width, so here I just always force it to be
// even.
render_window_->resize( width() + (width() % 2), height() );
render_window_->resize( width()*pixel_ratio_ + (static_cast<int>(width()*pixel_ratio_) % 2), height()*pixel_ratio_ );
render_window_->windowMovedOrResized();
}
}
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2 changes: 2 additions & 0 deletions src/rviz/ogre_helpers/render_widget.h
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Expand Up @@ -62,6 +62,8 @@ class RenderWidget: public QWidget
Ogre::RenderWindow* render_window_;

QFrame* renderFrame;

double pixel_ratio_;
};

} // end namespace rviz
Expand Down