int Window::qt_metacall(QMetaObject::Call _c, int _id, void **_a)
{
_id = QWidget::qt_metacall(_c, _id, _a);
if (_id < 0)
return _id;
if (_c == QMetaObject::InvokeMetaMethod) {
switch (_id) {
case 0: fillRuleChanged(); break;
case 1: fillGradientChanged(); break;
case 2: penColorChanged(); break;
default: ;
}
_id -= 3;
}
return _id;
}
//! [1]
Window::Window()
{
QPainterPath rectPath;
rectPath.moveTo(20.0, 30.0);
rectPath.lineTo(80.0, 30.0);
rectPath.lineTo(80.0, 70.0);
rectPath.lineTo(20.0, 70.0);
rectPath.closeSubpath();
//! [1]
//! [2]
QPainterPath roundRectPath;
roundRectPath.moveTo(80.0, 35.0);
roundRectPath.arcTo(70.0, 30.0, 10.0, 10.0, 0.0, 90.0);
roundRectPath.lineTo(25.0, 30.0);
roundRectPath.arcTo(20.0, 30.0, 10.0, 10.0, 90.0, 90.0);
roundRectPath.lineTo(20.0, 65.0);
roundRectPath.arcTo(20.0, 60.0, 10.0, 10.0, 180.0, 90.0);
roundRectPath.lineTo(75.0, 70.0);
roundRectPath.arcTo(70.0, 60.0, 10.0, 10.0, 270.0, 90.0);
roundRectPath.closeSubpath();
//! [2]
//! [3]
QPainterPath ellipsePath;
ellipsePath.moveTo(80.0, 50.0);
ellipsePath.arcTo(20.0, 30.0, 60.0, 40.0, 0.0, 360.0);
//! [3]
//! [4]
QPainterPath piePath;
piePath.moveTo(50.0, 50.0);
piePath.arcTo(20.0, 30.0, 60.0, 40.0, 60.0, 240.0);
piePath.closeSubpath();
//! [4]
//! [5]
QPainterPath polygonPath;
polygonPath.moveTo(10.0, 80.0);
polygonPath.lineTo(20.0, 10.0);
polygonPath.lineTo(80.0, 30.0);
polygonPath.lineTo(90.0, 70.0);
polygonPath.closeSubpath();
//! [5]
//! [6]
QPainterPath groupPath;
groupPath.moveTo(60.0, 40.0);
groupPath.arcTo(20.0, 20.0, 40.0, 40.0, 0.0, 360.0);
groupPath.moveTo(40.0, 40.0);
groupPath.lineTo(40.0, 80.0);
groupPath.lineTo(80.0, 80.0);
groupPath.lineTo(80.0, 40.0);
groupPath.closeSubpath();
//! [6]
//! [7]
QPainterPath textPath;
QFont timesFont("Times", 50);
timesFont.setStyleStrategy(QFont::ForceOutline);
textPath.addText(10, 70, timesFont, tr("Qt"));
//! [7]
//! [8]
QPainterPath bezierPath;
bezierPath.moveTo(20, 30);
bezierPath.cubicTo(80, 0, 50, 50, 80, 80);
//! [8]
//! [9]
QPainterPath starPath;
starPath.moveTo(90, 50);
for (int i = 1; i < 5; ++i) {
starPath.lineTo(50 + 40 * cos(0.8 * i * Pi),
50 + 40 * sin(0.8 * i * Pi));
}
starPath.closeSubpath();
//! [9]
//! [10]
#if !defined(Q_OS_SYMBIAN) && !defined(Q_WS_MAEMO_5) && !defined(Q_WS_SIMULATOR)
renderAreas.push_back(new RenderArea(rectPath));
renderAreas.push_back(new RenderArea(roundRectPath));
renderAreas.push_back(new RenderArea(ellipsePath));
renderAreas.push_back(new RenderArea(piePath));
renderAreas.push_back(new RenderArea(polygonPath));
renderAreas.push_back(new RenderArea(groupPath));
#endif
renderAreas.push_back(new RenderArea(textPath));
renderAreas.push_back(new RenderArea(bezierPath));
renderAreas.push_back(new RenderArea(starPath));
//! [10]
//! [11]
fillRuleComboBox = new QComboBox;
fillRuleComboBox->addItem(tr("Odd Even"), Qt::OddEvenFill);
fillRuleComboBox->addItem(tr("Winding"), Qt::WindingFill);
fillRuleLabel = new QLabel(tr("Fill &Rule:"));
fillRuleLabel->setBuddy(fillRuleComboBox);
//! [11]
//! [12]
fillColor1ComboBox = new QComboBox;
populateWithColors(fillColor1ComboBox);
fillColor1ComboBox->setCurrentIndex(
fillColor1ComboBox->findText("mediumslateblue"));
fillColor2ComboBox = new QComboBox;
populateWithColors(fillColor2ComboBox);
fillColor2ComboBox->setCurrentIndex(
fillColor2ComboBox->findText("cornsilk"));
fillGradientLabel = new QLabel(tr("&Fill Gradient:"));
fillGradientLabel->setBuddy(fillColor1ComboBox);
fillToLabel = new QLabel(tr("to"));
fillToLabel->setSizePolicy(QSizePolicy::Fixed, QSizePolicy::Fixed);
penWidthSpinBox = new QSpinBox;
penWidthSpinBox->setRange(0, 20);
penWidthLabel = new QLabel(tr("&Pen Width:"));
penWidthLabel->setBuddy(penWidthSpinBox);
penColorComboBox = new QComboBox;
populateWithColors(penColorComboBox);
penColorComboBox->setCurrentIndex(
penColorComboBox->findText("darkslateblue"));
penColorLabel = new QLabel(tr("Pen &Color:"));
penColorLabel->setBuddy(penColorComboBox);
rotationAngleSpinBox = new QSpinBox;
rotationAngleSpinBox->setRange(0, 359);
rotationAngleSpinBox->setWrapping(true);
rotationAngleSpinBox->setSuffix("\xB0");
rotationAngleLabel = new QLabel(tr("&Rotation Angle:"));
rotationAngleLabel->setBuddy(rotationAngleSpinBox);
//! [12]
//! [16]
connect(fillRuleComboBox, SIGNAL(activated(int)),
this, SLOT(fillRuleChanged()));
connect(fillColor1ComboBox, SIGNAL(activated(int)),
this, SLOT(fillGradientChanged()));
connect(fillColor2ComboBox, SIGNAL(activated(int)),
this, SLOT(fillGradientChanged()));
connect(penColorComboBox, SIGNAL(activated(int)),
this, SLOT(penColorChanged()));
for(QList<RenderArea*>::iterator it = renderAreas.begin(); it != renderAreas.end(); it++) {
connect(penWidthSpinBox, SIGNAL(valueChanged(int)),
*it, SLOT(setPenWidth(int)));
connect(rotationAngleSpinBox, SIGNAL(valueChanged(int)),
*it, SLOT(setRotationAngle(int)));
}
//! [16] //! [17]
QGridLayout *topLayout = new QGridLayout;
#if defined(Q_OS_SYMBIAN) || defined(Q_WS_MAEMO_5) || defined(Q_WS_SIMULATOR)
topLayout->setSizeConstraint(QLayout::SetNoConstraint);
#endif
int i=0;
for(QList<RenderArea*>::iterator it = renderAreas.begin(); it != renderAreas.end(); it++, i++)
topLayout->addWidget(*it, i / 3, i % 3);
QGridLayout *mainLayout = new QGridLayout;
#if defined(Q_OS_SYMBIAN) || defined(Q_WS_MAEMO_5) || defined(Q_WS_SIMULATOR)
mainLayout->setSizeConstraint(QLayout::SetNoConstraint);
#endif
mainLayout->addLayout(topLayout, 0, 0, 1, 4);
mainLayout->addWidget(fillRuleLabel, 1, 0);
mainLayout->addWidget(fillRuleComboBox, 1, 1, 1, 3);
mainLayout->addWidget(fillGradientLabel, 2, 0);
mainLayout->addWidget(fillColor1ComboBox, 2, 1);
mainLayout->addWidget(fillToLabel, 2, 2);
mainLayout->addWidget(fillColor2ComboBox, 2, 3);
mainLayout->addWidget(penWidthLabel, 3, 0);
mainLayout->addWidget(penWidthSpinBox, 3, 1, 1, 3);
mainLayout->addWidget(penColorLabel, 4, 0);
mainLayout->addWidget(penColorComboBox, 4, 1, 1, 3);
#if !defined(Q_OS_SYMBIAN) && !defined(Q_WS_MAEMO_5) && !defined(Q_WS_SIMULATOR)
mainLayout->addWidget(rotationAngleLabel, 5, 0);
mainLayout->addWidget(rotationAngleSpinBox, 5, 1, 1, 3);
#endif
setLayout(mainLayout);
//! [17]
//! [18]
fillRuleChanged();
fillGradientChanged();
penColorChanged();
penWidthSpinBox->setValue(2);
setWindowTitle(tr("Painter Paths"));
}