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provide a rounded rectangle path generator so we can share this implementatoin around plasma

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svn path=/trunk/KDE/kdebase/workspace/libs/plasma/; revision=738424
This commit is contained in:
Aaron J. Seigo 2007-11-18 21:33:04 +00:00
parent 86d745a644
commit 9c9e6e4371
2 changed files with 21 additions and 0 deletions
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15
plasma.cpp
View File

@ -62,4 +62,19 @@ Direction locationToDirection(Location location)
return Down;
}
QPainterPath roundedRectangle(const QRectF& rect, qreal radius)
{
QPainterPath path(QPointF(rect.left(), rect.top() + radius));
path.quadTo(rect.left(), rect.top(), rect.left() + radius, rect.top()); // Top left corner
path.lineTo(rect.right() - radius, rect.top()); // Top side
path.quadTo(rect.right(), rect.top(), rect.right(), rect.top() + radius); // Top right corner
path.lineTo(rect.right(), rect.bottom() - radius); // Right side
path.quadTo(rect.right(), rect.bottom(), rect.right() - radius, rect.bottom()); // Bottom right corner
path.lineTo(rect.left() + radius, rect.bottom()); // Bottom side
path.quadTo(rect.left(), rect.bottom(), rect.left(), rect.bottom() - radius); // Bottom left corner
path.closeSubpath();
return path;
}
} // Plasma namespace

6
plasma.h
View File

@ -21,6 +21,7 @@
#define PLASMA_DEFS_H
#include <QtGui/QGraphicsItem>
#include <QtGui/QPainterPath>
#include <plasma/plasma_export.h>
@ -136,6 +137,11 @@ PLASMA_EXPORT qreal scalingFactor(ZoomLevel level);
**/
PLASMA_EXPORT Direction locationToDirection(Location location);
/**
* Returns a nicely rounded rectanglular path for painting.
*/
PLASMA_EXPORT QPainterPath roundedRectangle(const QRectF& rect, qreal radius);
} // Plasma namespace
Q_DECLARE_OPERATORS_FOR_FLAGS(Plasma::Constraints)