QPixmap texturedText(const QString &text, const QFont &font, Plasma::Svg *texture) { QFontMetrics fm(font); //the text will be moved a bit from contentsRect QRect contentsRect = fm.boundingRect(text).adjusted(0, 0, 2, 2); contentsRect.moveTo(0,0); QPixmap pixmap(contentsRect.size()); pixmap.fill(Qt::transparent); QPainter buffPainter(&pixmap); buffPainter.setPen(Qt::black); buffPainter.setFont(font); buffPainter.drawText(contentsRect, Qt::AlignCenter, text); buffPainter.setCompositionMode(QPainter::CompositionMode_SourceIn); texture->paint(&buffPainter, contentsRect, "foreground"); buffPainter.end(); //do the shadow QImage image(pixmap.size() + QSize(2, 2), QImage::Format_ARGB32_Premultiplied); image.fill(Qt::transparent); buffPainter.begin(&image); buffPainter.setFont(font); buffPainter.drawText(contentsRect.translated(1, 1), Qt::AlignCenter, text); buffPainter.setCompositionMode(QPainter::CompositionMode_SourceIn); texture->paint(&buffPainter, contentsRect.adjusted(-1, -1, 1, 1), "shadow"); buffPainter.end(); expblur<16, 7>(image, 1); //hole in the shadow buffPainter.begin(&image); buffPainter.setCompositionMode(QPainter::CompositionMode_DestinationOut); buffPainter.setFont(font); buffPainter.drawText(contentsRect.translated(1, 1), Qt::AlignCenter, text); buffPainter.end(); QPixmap ret(image.size()); ret.fill(Qt::transparent); buffPainter.begin(&ret); buffPainter.setCompositionMode(QPainter::CompositionMode_SourceOver); buffPainter.drawImage(QPoint(0,0), image); buffPainter.drawPixmap(QPoint(1,1), pixmap); return ret; }
void PushButton::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget) { if (!styleSheet().isNull() || Theme::defaultTheme()->useNativeWidgetStyle()) { QGraphicsProxyWidget::paint(painter, option, widget); return; } QPixmap bufferPixmap; //Normal button, pressed or not if (isEnabled()) { if (nativeWidget()->isDown() || nativeWidget()->isChecked()) { d->background->setElementPrefix("pressed"); } else { d->background->setElementPrefix("normal"); } //flat or disabled } else if (!isEnabled() || nativeWidget()->isFlat()) { bufferPixmap = QPixmap(rect().size().toSize()); bufferPixmap.fill(Qt::transparent); QPainter buffPainter(&bufferPixmap); d->background->paintFrame(&buffPainter); buffPainter.setCompositionMode(QPainter::CompositionMode_DestinationIn); buffPainter.fillRect(bufferPixmap.rect(), QColor(0, 0, 0, 128)); painter->drawPixmap(0, 0, bufferPixmap); } //if is under mouse draw the animated glow overlay if (!nativeWidget()->isDown() && !nativeWidget()->isChecked() && isEnabled() && acceptHoverEvents() && d->background->hasElementPrefix("active")) { if (d->hoverAnimation->state() == QAbstractAnimation::Running && !isUnderMouse() && !nativeWidget()->isDefault()) { d->background->setElementPrefix("active"); d->background->paintFrame(painter, d->activeRect.topLeft()); } else { painter->drawPixmap( d->activeRect.topLeft(), d->hoverAnimation->property("currentPixmap").value<QPixmap>()); } } else if (isEnabled()) { d->background->paintFrame(painter); } painter->setPen(Plasma::Theme::defaultTheme()->color(Theme::ButtonTextColor)); if (nativeWidget()->isDown()) { painter->translate(QPoint(1, 1)); } QRectF rect = contentsRect(); if (!nativeWidget()->icon().isNull()) { const qreal iconSize = qMin(rect.width(), rect.height()); QPixmap iconPix = nativeWidget()->icon().pixmap(iconSize); if (!isEnabled()) { KIconEffect *effect = KIconLoader::global()->iconEffect(); iconPix = effect->apply(iconPix, KIconLoader::Toolbar, KIconLoader::DisabledState); } QRect pixmapRect; if (nativeWidget()->text().isEmpty()) { pixmapRect = nativeWidget()->style()->alignedRect(option->direction, Qt::AlignCenter, iconPix.size(), rect.toRect()); } else { pixmapRect = nativeWidget()->style()->alignedRect(option->direction, Qt::AlignLeft|Qt::AlignVCenter, iconPix.size(), rect.toRect()); } painter->drawPixmap(pixmapRect.topLeft(), iconPix); if (option->direction == Qt::LeftToRight) { rect.adjust(rect.height(), 0, 0, 0); } else { rect.adjust(0, 0, -rect.height(), 0); } } QFontMetricsF fm(font()); // If the height is too small increase the Height of the button to shall the whole text #192988 if (rect.height() < fm.height()) { rect.setHeight(fm.height()); rect.moveTop(boundingRect().center().y() - rect.height() / 2); } // If there is not enough room for the text make it to fade out if (rect.width() < fm.width(nativeWidget()->text())) { if (bufferPixmap.isNull()) { bufferPixmap = QPixmap(rect.size().toSize()); } bufferPixmap.fill(Qt::transparent); QPainter p(&bufferPixmap); p.setPen(painter->pen()); p.setFont(font()); // Create the alpha gradient for the fade out effect QLinearGradient alphaGradient(0, 0, 1, 0); alphaGradient.setCoordinateMode(QGradient::ObjectBoundingMode); if (option->direction == Qt::LeftToRight) { alphaGradient.setColorAt(0, QColor(0, 0, 0, 255)); alphaGradient.setColorAt(1, QColor(0, 0, 0, 0)); p.drawText(bufferPixmap.rect(), Qt::AlignLeft|Qt::AlignVCenter|Qt::TextShowMnemonic, nativeWidget()->text()); } else { alphaGradient.setColorAt(0, QColor(0, 0, 0, 0)); alphaGradient.setColorAt(1, QColor(0, 0, 0, 255)); p.drawText(bufferPixmap.rect(), Qt::AlignRight|Qt::AlignVCenter|Qt::TextShowMnemonic, nativeWidget()->text()); } p.setCompositionMode(QPainter::CompositionMode_DestinationIn); p.fillRect(bufferPixmap.rect(), alphaGradient); painter->drawPixmap(rect.topLeft(), bufferPixmap); } else { painter->setFont(font()); painter->drawText(rect, Qt::AlignCenter|Qt::TextShowMnemonic, nativeWidget()->text()); } }