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Diffstat (limited to 'src/ui/DropShadow.cpp')
-rw-r--r-- | src/ui/DropShadow.cpp | 110 |
1 files changed, 110 insertions, 0 deletions
diff --git a/src/ui/DropShadow.cpp b/src/ui/DropShadow.cpp new file mode 100644 index 00000000..93baa02d --- /dev/null +++ b/src/ui/DropShadow.cpp @@ -0,0 +1,110 @@ +#include "DropShadow.h" + +#include <QLinearGradient> +#include <QPainter> + + + void DropShadow::draw(QPainter &painter, + qint16 margin, + qreal radius, + QColor start, + QColor end, + qreal startPosition, + qreal endPosition0, + qreal endPosition1, + qreal width, + qreal height) + { + painter.setPen(Qt::NoPen); + + QLinearGradient gradient; + gradient.setColorAt(startPosition, start); + gradient.setColorAt(endPosition0, end); + + // Right + QPointF right0(width - margin, height / 2); + QPointF right1(width, height / 2); + gradient.setStart(right0); + gradient.setFinalStop(right1); + painter.setBrush(QBrush(gradient)); + // Deprecated in 5.13: painter.drawRoundRect( + // QRectF(QPointF(width - margin * radius, margin), QPointF(width, height - + // margin)), 0.0, 0.0); + painter.drawRoundedRect( + QRectF(QPointF(width - margin * radius, margin), QPointF(width, height - margin)), + 0.0, + 0.0); + + // Left + QPointF left0(margin, height / 2); + QPointF left1(0, height / 2); + gradient.setStart(left0); + gradient.setFinalStop(left1); + painter.setBrush(QBrush(gradient)); + painter.drawRoundedRect( + QRectF(QPointF(margin * radius, margin), QPointF(0, height - margin)), 0.0, 0.0); + + // Top + QPointF top0(width / 2, margin); + QPointF top1(width / 2, 0); + gradient.setStart(top0); + gradient.setFinalStop(top1); + painter.setBrush(QBrush(gradient)); + painter.drawRoundedRect( + QRectF(QPointF(width - margin, 0), QPointF(margin, margin)), 0.0, 0.0); + + // Bottom + QPointF bottom0(width / 2, height - margin); + QPointF bottom1(width / 2, height); + gradient.setStart(bottom0); + gradient.setFinalStop(bottom1); + painter.setBrush(QBrush(gradient)); + painter.drawRoundedRect( + QRectF(QPointF(margin, height - margin), QPointF(width - margin, height)), + 0.0, + 0.0); + + // BottomRight + QPointF bottomright0(width - margin, height - margin); + QPointF bottomright1(width, height); + gradient.setStart(bottomright0); + gradient.setFinalStop(bottomright1); + gradient.setColorAt(endPosition1, end); + painter.setBrush(QBrush(gradient)); + painter.drawRoundedRect(QRectF(bottomright0, bottomright1), 0.0, 0.0); + + // BottomLeft + QPointF bottomleft0(margin, height - margin); + QPointF bottomleft1(0, height); + gradient.setStart(bottomleft0); + gradient.setFinalStop(bottomleft1); + gradient.setColorAt(endPosition1, end); + painter.setBrush(QBrush(gradient)); + painter.drawRoundedRect(QRectF(bottomleft0, bottomleft1), 0.0, 0.0); + + // TopLeft + QPointF topleft0(margin, margin); + QPointF topleft1(0, 0); + gradient.setStart(topleft0); + gradient.setFinalStop(topleft1); + gradient.setColorAt(endPosition1, end); + painter.setBrush(QBrush(gradient)); + painter.drawRoundedRect(QRectF(topleft0, topleft1), 0.0, 0.0); + + // TopRight + QPointF topright0(width - margin, margin); + QPointF topright1(width, 0); + gradient.setStart(topright0); + gradient.setFinalStop(topright1); + gradient.setColorAt(endPosition1, end); + painter.setBrush(QBrush(gradient)); + painter.drawRoundedRect(QRectF(topright0, topright1), 0.0, 0.0); + + // Widget + painter.setBrush(QBrush("#FFFFFF")); + painter.setRenderHint(QPainter::Antialiasing); + painter.drawRoundedRect( + QRectF(QPointF(margin, margin), QPointF(width - margin, height - margin)), + radius, + radius); + } |