void VisualisationContainer::Init() {
setWindowTitle(tr("Clementine Visualization"));
setWindowIcon(QIcon(":/icon.png"));
// Set up the graphics view
setScene(vis_);
setViewport(new QGLWidget(QGLFormat(QGL::SampleBuffers)));
setViewportUpdateMode(QGraphicsView::FullViewportUpdate);
setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
setFrameStyle(QFrame::NoFrame);
// Add the overlay
overlay_proxy_ = scene()->addWidget(overlay_);
connect(overlay_, SIGNAL(OpacityChanged(qreal)), SLOT(ChangeOverlayOpacity(qreal)));
connect(overlay_, SIGNAL(ShowPopupMenu(QPoint)), SLOT(ShowPopupMenu(QPoint)));
ChangeOverlayOpacity(0.0);
vis_->SetTextureSize(size_);
SizeChanged();
// Selector
selector_->SetVisualisation(vis_);
// Settings menu
menu_->addAction(IconLoader::Load("view-fullscreen"), tr("Toggle fullscreen"),
this, SLOT(ToggleFullscreen()));
QMenu* fps_menu = menu_->addMenu(tr("Framerate"));
QSignalMapper* fps_mapper = new QSignalMapper(this);
QActionGroup* fps_group = new QActionGroup(this);
AddMenuItem(tr("Low (15 fps)"), 15, fps_, fps_group, fps_mapper);
AddMenuItem(tr("Medium (25 fps)"), 25, fps_, fps_group, fps_mapper);
AddMenuItem(tr("High (35 fps)"), 35, fps_, fps_group, fps_mapper);
AddMenuItem(tr("Super high (60 fps)"), 60, fps_, fps_group, fps_mapper);
fps_menu->addActions(fps_group->actions());
connect(fps_mapper, SIGNAL(mapped(int)), SLOT(SetFps(int)));
QMenu* quality_menu = menu_->addMenu(tr("Quality"));
QSignalMapper* quality_mapper = new QSignalMapper(this);
QActionGroup* quality_group = new QActionGroup(this);
AddMenuItem(tr("Low (256x256)"), 256, size_, quality_group, quality_mapper);
AddMenuItem(tr("Medium (512x512)"), 512, size_, quality_group, quality_mapper);
AddMenuItem(tr("High (1024x1024)"), 1024, size_, quality_group, quality_mapper);
quality_menu->addActions(quality_group->actions());
connect(quality_mapper, SIGNAL(mapped(int)), SLOT(SetQuality(int)));
menu_->addAction(tr("Select visualizations..."), selector_, SLOT(show()));
menu_->addSeparator();
menu_->addAction(IconLoader::Load("application-exit"), tr("Close visualization"),
this, SLOT(hide()));
}
void CHuiFxVg10BlurFilter::DrawEffect(CHuiFxEngine& aEngine, VGImage aTargetImage, VGImage aSourceImage, TInt aWidth, TInt aHeight, TBool /*aHasSurface*/)
{
const VGfloat blur_x = clamp(iBlurX, EPSILON, 128.0f);
const VGfloat blur_y = clamp(iBlurY, EPSILON, 128.0f);
const VGfloat opacity = clamp(iOpacity, 0.0f, 1.0f);
if(opacity < 1.0f - EPSILON) // slow path --- take opacity into account
{
// const VGint width = vgGetParameteri(aSourceImage, VG_IMAGE_WIDTH);
// const VGint height = vgGetParameteri(aSourceImage, VG_IMAGE_HEIGHT);
const VGint width = aWidth;
const VGint height = aHeight;
CHuiFxRenderbuffer* auxBuffer = aEngine.AcquireRenderbuffer(TSize(width, height));
if (!auxBuffer)
{
return; // not enough memory --- filter not completed successfully
}
auxBuffer->BindAsTexture(ERenderbufferUsageReadWrite);
VGImage auxImage = reinterpret_cast<CHuiFxVg10RenderbufferBase*>(auxBuffer)->Image();
vgGaussianBlur(auxImage, aSourceImage, blur_x, blur_y, VG_TILE_PAD);
if(OpacityChanged())
{
UpdateAlphaLUT();
}
vgLookup(aTargetImage, auxImage, iColorLUT, iColorLUT, iColorLUT, iAlphaLUT, VG_TRUE, VG_FALSE);
auxBuffer->UnbindAsTexture();
aEngine.ReleaseRenderbuffer(auxBuffer);
}
else // fast path --- the blur, just blur and nothing but the blur.
{
vgGaussianBlur(aTargetImage, aSourceImage, blur_x, blur_y, VG_TILE_PAD);
}
}