QPixmap shadowText(QString text, const QFont &font, QColor textColor, QColor shadowColor, QPoint offset, int radius)
{
//don't try to paint stuff on a future null pixmap because the text is empty
if (text.isEmpty()) {
return QPixmap();
}
// Draw text
QFontMetrics fm(font);
QRect textRect = fm.boundingRect(text);
QPixmap textPixmap(textRect.width(), fm.height());
textPixmap.fill(Qt::transparent);
QPainter p(&textPixmap);
p.setPen(textColor);
p.setFont(font);
// FIXME: the center alignment here is odd: the rect should be the size needed by
// the text, but for some fonts and configurations this is off by a pixel or so
// and "centering" the text painting 'fixes' that. Need to research why
// this is the case and determine if we should be painting it differently here,
// doing soething different with the boundingRect call or if it's a problem
// in Qt itself
p.drawText(textPixmap.rect(), Qt::AlignCenter, text);
p.end();
//Draw blurred shadow
QImage img(textRect.size() + QSize(radius * 2, radius * 2), QImage::Format_ARGB32_Premultiplied);
img.fill(0);
p.begin(&img);
p.drawImage(QPoint(radius, radius), textPixmap.toImage());
p.end();
shadowBlur(img, radius, shadowColor);
//Compose text and shadow
int addSizeX = qMax(0, qAbs(offset.x()) - radius);
int addSizeY = qMax(0, qAbs(offset.y()) - radius);
QPixmap finalPixmap(img.size() + QSize(addSizeX, addSizeY));
finalPixmap.fill(Qt::transparent);
p.begin(&finalPixmap);
p.drawImage(qMax(0, offset.x()), qMax(0, offset.y()), img);
p.drawPixmap(radius + qMax(0, -offset.x()), radius + qMax(0, -offset.y()), textPixmap);
p.end();
return finalPixmap;
}
int Context2D::qt_metacall(QMetaObject::Call _c, int _id, void **_a)
{
_id = QObject::qt_metacall(_c, _id, _a);
if (_id < 0)
return _id;
if (_c == QMetaObject::InvokeMetaMethod) {
switch (_id) {
case 0: changed((*reinterpret_cast< const QImage(*)>(_a[1]))); break;
case 1: save(); break;
case 2: restore(); break;
case 3: scale((*reinterpret_cast< qreal(*)>(_a[1])),(*reinterpret_cast< qreal(*)>(_a[2]))); break;
case 4: rotate((*reinterpret_cast< qreal(*)>(_a[1]))); break;
case 5: translate((*reinterpret_cast< qreal(*)>(_a[1])),(*reinterpret_cast< qreal(*)>(_a[2]))); break;
case 6: transform((*reinterpret_cast< qreal(*)>(_a[1])),(*reinterpret_cast< qreal(*)>(_a[2])),(*reinterpret_cast< qreal(*)>(_a[3])),(*reinterpret_cast< qreal(*)>(_a[4])),(*reinterpret_cast< qreal(*)>(_a[5])),(*reinterpret_cast< qreal(*)>(_a[6]))); break;
case 7: setTransform((*reinterpret_cast< qreal(*)>(_a[1])),(*reinterpret_cast< qreal(*)>(_a[2])),(*reinterpret_cast< qreal(*)>(_a[3])),(*reinterpret_cast< qreal(*)>(_a[4])),(*reinterpret_cast< qreal(*)>(_a[5])),(*reinterpret_cast< qreal(*)>(_a[6]))); break;
case 8: { CanvasGradient _r = createLinearGradient((*reinterpret_cast< qreal(*)>(_a[1])),(*reinterpret_cast< qreal(*)>(_a[2])),(*reinterpret_cast< qreal(*)>(_a[3])),(*reinterpret_cast< qreal(*)>(_a[4])));
if (_a[0]) *reinterpret_cast< CanvasGradient*>(_a[0]) = _r; } break;
case 9: { CanvasGradient _r = createRadialGradient((*reinterpret_cast< qreal(*)>(_a[1])),(*reinterpret_cast< qreal(*)>(_a[2])),(*reinterpret_cast< qreal(*)>(_a[3])),(*reinterpret_cast< qreal(*)>(_a[4])),(*reinterpret_cast< qreal(*)>(_a[5])),(*reinterpret_cast< qreal(*)>(_a[6])));
if (_a[0]) *reinterpret_cast< CanvasGradient*>(_a[0]) = _r; } break;
case 10: clearRect((*reinterpret_cast< qreal(*)>(_a[1])),(*reinterpret_cast< qreal(*)>(_a[2])),(*reinterpret_cast< qreal(*)>(_a[3])),(*reinterpret_cast< qreal(*)>(_a[4]))); break;
case 11: fillRect((*reinterpret_cast< qreal(*)>(_a[1])),(*reinterpret_cast< qreal(*)>(_a[2])),(*reinterpret_cast< qreal(*)>(_a[3])),(*reinterpret_cast< qreal(*)>(_a[4]))); break;
case 12: strokeRect((*reinterpret_cast< qreal(*)>(_a[1])),(*reinterpret_cast< qreal(*)>(_a[2])),(*reinterpret_cast< qreal(*)>(_a[3])),(*reinterpret_cast< qreal(*)>(_a[4]))); break;
case 13: beginPath(); break;
case 14: closePath(); break;
case 15: moveTo((*reinterpret_cast< qreal(*)>(_a[1])),(*reinterpret_cast< qreal(*)>(_a[2]))); break;
case 16: lineTo((*reinterpret_cast< qreal(*)>(_a[1])),(*reinterpret_cast< qreal(*)>(_a[2]))); break;
case 17: quadraticCurveTo((*reinterpret_cast< qreal(*)>(_a[1])),(*reinterpret_cast< qreal(*)>(_a[2])),(*reinterpret_cast< qreal(*)>(_a[3])),(*reinterpret_cast< qreal(*)>(_a[4]))); break;
case 18: bezierCurveTo((*reinterpret_cast< qreal(*)>(_a[1])),(*reinterpret_cast< qreal(*)>(_a[2])),(*reinterpret_cast< qreal(*)>(_a[3])),(*reinterpret_cast< qreal(*)>(_a[4])),(*reinterpret_cast< qreal(*)>(_a[5])),(*reinterpret_cast< qreal(*)>(_a[6]))); break;
case 19: arcTo((*reinterpret_cast< qreal(*)>(_a[1])),(*reinterpret_cast< qreal(*)>(_a[2])),(*reinterpret_cast< qreal(*)>(_a[3])),(*reinterpret_cast< qreal(*)>(_a[4])),(*reinterpret_cast< qreal(*)>(_a[5]))); break;
case 20: rect((*reinterpret_cast< qreal(*)>(_a[1])),(*reinterpret_cast< qreal(*)>(_a[2])),(*reinterpret_cast< qreal(*)>(_a[3])),(*reinterpret_cast< qreal(*)>(_a[4]))); break;
case 21: arc((*reinterpret_cast< qreal(*)>(_a[1])),(*reinterpret_cast< qreal(*)>(_a[2])),(*reinterpret_cast< qreal(*)>(_a[3])),(*reinterpret_cast< qreal(*)>(_a[4])),(*reinterpret_cast< qreal(*)>(_a[5])),(*reinterpret_cast< bool(*)>(_a[6]))); break;
case 22: fill(); break;
case 23: stroke(); break;
case 24: clip(); break;
case 25: { bool _r = isPointInPath((*reinterpret_cast< qreal(*)>(_a[1])),(*reinterpret_cast< qreal(*)>(_a[2])));
if (_a[0]) *reinterpret_cast< bool*>(_a[0]) = _r; } break;
case 26: drawImage((*reinterpret_cast< DomImage*(*)>(_a[1])),(*reinterpret_cast< qreal(*)>(_a[2])),(*reinterpret_cast< qreal(*)>(_a[3]))); break;
case 27: drawImage((*reinterpret_cast< DomImage*(*)>(_a[1])),(*reinterpret_cast< qreal(*)>(_a[2])),(*reinterpret_cast< qreal(*)>(_a[3])),(*reinterpret_cast< qreal(*)>(_a[4])),(*reinterpret_cast< qreal(*)>(_a[5]))); break;
case 28: drawImage((*reinterpret_cast< DomImage*(*)>(_a[1])),(*reinterpret_cast< qreal(*)>(_a[2])),(*reinterpret_cast< qreal(*)>(_a[3])),(*reinterpret_cast< qreal(*)>(_a[4])),(*reinterpret_cast< qreal(*)>(_a[5])),(*reinterpret_cast< qreal(*)>(_a[6])),(*reinterpret_cast< qreal(*)>(_a[7])),(*reinterpret_cast< qreal(*)>(_a[8])),(*reinterpret_cast< qreal(*)>(_a[9]))); break;
case 29: { ImageData _r = getImageData((*reinterpret_cast< qreal(*)>(_a[1])),(*reinterpret_cast< qreal(*)>(_a[2])),(*reinterpret_cast< qreal(*)>(_a[3])),(*reinterpret_cast< qreal(*)>(_a[4])));
if (_a[0]) *reinterpret_cast< ImageData*>(_a[0]) = _r; } break;
case 30: putImageData((*reinterpret_cast< ImageData(*)>(_a[1])),(*reinterpret_cast< qreal(*)>(_a[2])),(*reinterpret_cast< qreal(*)>(_a[3]))); break;
default: ;
}
_id -= 31;
}
#ifndef QT_NO_PROPERTIES
else if (_c == QMetaObject::ReadProperty) {
void *_v = _a[0];
switch (_id) {
case 0: *reinterpret_cast< qreal*>(_v) = globalAlpha(); break;
case 1: *reinterpret_cast< QString*>(_v) = globalCompositeOperation(); break;
case 2: *reinterpret_cast< QVariant*>(_v) = strokeStyle(); break;
case 3: *reinterpret_cast< QVariant*>(_v) = fillStyle(); break;
case 4: *reinterpret_cast< qreal*>(_v) = lineWidth(); break;
case 5: *reinterpret_cast< QString*>(_v) = lineCap(); break;
case 6: *reinterpret_cast< QString*>(_v) = lineJoin(); break;
case 7: *reinterpret_cast< qreal*>(_v) = miterLimit(); break;
case 8: *reinterpret_cast< qreal*>(_v) = shadowOffsetX(); break;
case 9: *reinterpret_cast< qreal*>(_v) = shadowOffsetY(); break;
case 10: *reinterpret_cast< qreal*>(_v) = shadowBlur(); break;
case 11: *reinterpret_cast< QString*>(_v) = shadowColor(); break;
}
_id -= 12;
} else if (_c == QMetaObject::WriteProperty) {
void *_v = _a[0];
switch (_id) {
case 0: setGlobalAlpha(*reinterpret_cast< qreal*>(_v)); break;
case 1: setGlobalCompositeOperation(*reinterpret_cast< QString*>(_v)); break;
case 2: setStrokeStyle(*reinterpret_cast< QVariant*>(_v)); break;
case 3: setFillStyle(*reinterpret_cast< QVariant*>(_v)); break;
case 4: setLineWidth(*reinterpret_cast< qreal*>(_v)); break;
case 5: setLineCap(*reinterpret_cast< QString*>(_v)); break;
case 6: setLineJoin(*reinterpret_cast< QString*>(_v)); break;
case 7: setMiterLimit(*reinterpret_cast< qreal*>(_v)); break;
case 8: setShadowOffsetX(*reinterpret_cast< qreal*>(_v)); break;
case 9: setShadowOffsetY(*reinterpret_cast< qreal*>(_v)); break;
case 10: setShadowBlur(*reinterpret_cast< qreal*>(_v)); break;
case 11: setShadowColor(*reinterpret_cast< QString*>(_v)); break;
}
_id -= 12;
} else if (_c == QMetaObject::ResetProperty) {
_id -= 12;
} else if (_c == QMetaObject::QueryPropertyDesignable) {
_id -= 12;
} else if (_c == QMetaObject::QueryPropertyScriptable) {
_id -= 12;
} else if (_c == QMetaObject::QueryPropertyStored) {
_id -= 12;
} else if (_c == QMetaObject::QueryPropertyEditable) {
_id -= 12;
} else if (_c == QMetaObject::QueryPropertyUser) {
_id -= 12;
}
#endif // QT_NO_PROPERTIES
return _id;
}
