QImage KIconEffect::apply(const QImage &img, int effect, float value,
const QColor &col, const QColor &col2, bool trans) const
{
QImage image = img;
if (effect >= LastEffect) {
qWarning() << "Illegal icon effect: " << effect;
return image;
}
if (value > 1.0) {
value = 1.0;
} else if (value < 0.0) {
value = 0.0;
}
switch (effect) {
case ToGray:
toGray(image, value);
break;
case DeSaturate:
deSaturate(image, value);
break;
case Colorize:
colorize(image, col, value);
break;
case ToGamma:
toGamma(image, value);
break;
case ToMonochrome:
toMonochrome(image, col, col2, value);
break;
}
if (trans == true) {
semiTransparent(image);
}
return image;
}
//--------------------------------------------------------------
void testApp::draw(){
ofSetRectMode(OF_RECTMODE_CORNER);
ofColor semiTransparent(0, 0, 0, 255.0 * 0.003);
ofFill();
ofSetColor(semiTransparent);
ofRect(0,0, ofGetWindowWidth(), ofGetWindowHeight());
mFbo.begin();
// to prevent uncleared video memory!
ofSetColor(255, 255, 255, 0);
ofClear(255, 255, 255, 0);
ofPushMatrix();{
ofTranslate( pos );
ofRotate( ofGetElapsedTimeMillis() * 0.001);
float hue;
for (int i =0; i < 40; i++){
hue = ofMap(i, 0, 40, 0, 255);
ofColor c;
c.setHsb( hue, 255, 255);
angle = sin(scaledTime + i);
float newAmp = ofMap(angle, -1, 1, 40, 200);
float x = cos(ofDegToRad(360/40 * i)) * newAmp;
float y = sin(ofDegToRad(360/40 * i)) * newAmp;
ofPushMatrix();
ofSetColor(c);
ofCircle(x, y, 1);
ofPopMatrix();
}
}ofPopMatrix();
mFbo.end();
ofSetColor(255);
mFbo.draw(0,0);
mFbo.draw(0,100);
mFbo.draw(100,100);
mFbo.draw(100,0);
}
//--------------------------------------------------------------
void testApp::draw(){
// ofBackground(100,100, 100, 255 * 0.1);
ofPushMatrix();
ofColor semiTransparent (100,100,100, 255.0*0.1);
ofSetColor(semiTransparent);
ofSetRectMode(OF_RECTMODE_CORNER);
ofRect(0, 0, ofGetWindowWidth(), ofGetWindowHeight());
ofPopMatrix();
for(int i = 0; i<rectlist.size(); i ++){
rectlist[i].draw();
}
}
QPixmap KIconEffect::apply(const QPixmap &pixmap, int effect, float value,
const QColor &col, const QColor &col2, bool trans) const
{
QPixmap result;
if (effect >= LastEffect) {
qWarning() << "Illegal icon effect: " << effect;
return result;
}
if ((trans == true) && (effect == NoEffect)) {
result = pixmap;
semiTransparent(result);
} else if (effect != NoEffect) {
QImage tmpImg = pixmap.toImage();
tmpImg = apply(tmpImg, effect, value, col, col2, trans);
result = QPixmap::fromImage(tmpImg);
} else {
result = pixmap;
}
return result;
}
MainWindow::MainWindow()
: m_currentView(0),
m_currentRootObject(0),
m_transparent(false)
{
QVBoxLayout *layout = new QVBoxLayout;
QGroupBox *groupBox = new QGroupBox(tr("Type"));
QVBoxLayout *vbox = new QVBoxLayout;
m_radioView = new QRadioButton(tr("QQuickView in a window container (direct)"));
m_radioWidget = new QRadioButton(tr("QQuickWidget (indirect through framebuffer objects)"));
vbox->addWidget(m_radioWidget);
vbox->addWidget(m_radioView);
m_radioWidget->setChecked(true);
m_state = Unknown;
connect(m_radioWidget, &QRadioButton::toggled, this, &MainWindow::updateView);
connect(m_radioView, &QRadioButton::toggled, this, &MainWindow::updateView);
groupBox->setLayout(vbox);
layout->addWidget(groupBox);
m_checkboxMultiSample = new QCheckBox(tr("Multisample (4x)"));
connect(m_checkboxMultiSample, &QCheckBox::toggled, this, &MainWindow::updateView);
layout->addWidget(m_checkboxMultiSample);
m_labelStatus = new QLabel;
layout->addWidget(m_labelStatus);
qmlRegisterType<FbItem>("fbitem", 1, 0, "FbItem");
QWidget *quickContainer = new QWidget;
layout->addWidget(quickContainer);
layout->setStretchFactor(quickContainer, 8);
m_containerLayout = new QVBoxLayout;
quickContainer->setLayout(m_containerLayout);
// Add an overlay widget to demonstrate that it will _not_ work with
// QQuickView, whereas it is perfectly fine with QQuickWidget.
QPalette semiTransparent(QColor(255,0,0,128));
semiTransparent.setBrush(QPalette::Text, Qt::white);
semiTransparent.setBrush(QPalette::WindowText, Qt::white);
m_overlayLabel = new QLabel("This is a\nsemi-transparent\n overlay widget\nwhich is placed\non top\n of the Quick\ncontent.", this);
m_overlayLabel->setAlignment(Qt::AlignHCenter | Qt::AlignTop);
m_overlayLabel->setAutoFillBackground(true);
m_overlayLabel->setPalette(semiTransparent);
QFont f = font();
f.setPixelSize(QFontInfo(f).pixelSize()*2);
f.setWeight(QFont::Bold);
m_overlayLabel->setFont(f);
m_overlayLabel->hide();
m_checkboxOverlayVisible = new QCheckBox(tr("Show widget overlay"));
connect(m_checkboxOverlayVisible, &QCheckBox::toggled, m_overlayLabel, &QWidget::setVisible);
layout->addWidget(m_checkboxOverlayVisible);
m_checkboxTransparent = new QCheckBox(tr("Transparent background in QQuickWidget"));
connect(m_radioWidget, &QCheckBox::toggled, m_checkboxTransparent, &QWidget::setEnabled);
#ifdef Q_OS_LINUX
connect(m_checkboxTransparent, &QCheckBox::toggled, this, &MainWindow::onTransparentChanged);
layout->addWidget(m_checkboxTransparent);
#endif
setLayout(layout);
updateView();
}