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Fix selection blinking display

This commit is contained in:
Simon Giraudot 2018-04-10 12:52:58 +02:00
parent f05e93224a
commit 74db6a6ba2
1 changed files with 17 additions and 10 deletions
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27
Polyhedron/demo/Polyhedron/Plugins/PMP/Scene_facegraph_item_k_ring_selection.h
View File

@ -14,6 +14,7 @@
#include <QMouseEvent>
#include <QMainWindow>
#include <QObject>
#include <CGAL/Three/Viewer_interface.h>
#include <map>
#include <queue>
@ -490,6 +491,7 @@ protected:
bool eventFilter(QObject* target, QEvent *event)
{
static QImage background;
// This filter is both filtering events from 'viewer' and 'main window'
// key events
@ -562,7 +564,16 @@ protected:
}
else
{
sample_mouse_path();
if (event->type() != QEvent::MouseMove)
{
//Create a QImage of the screen and paint the lasso on top of it
#if QGLVIEWER_VERSION >= 0x020700
background = static_cast<CGAL::Three::Viewer_interface*>(*QGLViewer::QGLViewerPool().begin())->grabFramebuffer();
#else
background = static_cast<CGAL::Three::Viewer_interface*>(*QGLViewer::QGLViewerPool().begin())->grabFrameBuffer();
#endif
}
sample_mouse_path(background);
}
}
//if in edit_mode and the mouse is moving without left button pressed :
@ -612,7 +623,7 @@ protected:
return true;
}
void sample_mouse_path()
void sample_mouse_path(QImage& background)
{
CGAL::Three::Viewer_interface* viewer = static_cast<CGAL::Three::Viewer_interface*>(*QGLViewer::QGLViewerPool().begin());
viewer->makeCurrent();
@ -624,13 +635,9 @@ protected:
QPen pen;
pen.setColor(QColor(Qt::green));
pen.setWidth(3);
//Create a QImage of the screen and paint the lasso on top of it
#if QGLVIEWER_VERSION >= 0x020700
QImage image = viewer->grabFramebuffer();
#else
QImage image = viewer->grabFrameBuffer();
#endif
QPainter *painter = new QPainter(&image);
QImage temp(background);
QPainter *painter = new QPainter(&temp);
//painter->begin(&image);
painter->setPen(pen);
for(std::size_t i=0; i<polyline->size(); ++i)
@ -645,7 +652,7 @@ protected:
painter->end();
delete painter;
viewer->set2DSelectionMode(true);
viewer->setStaticImage(image);
viewer->setStaticImage(temp);
viewer->update();
}