PixmapFragment Classclass QPainter::PixmapFragment
This class was introduced in Qt 4.7.
|PixmapFragment||create(const QPointF &pos, const QRectF &sourceRect, qreal scaleX = 1, qreal scaleY = 1, qreal rotation = 0, qreal opacity = 1)|
The sourceLeft, sourceTop, width and height variables are used as a source rectangle within the pixmap passed into the QPainter::drawPixmapFragments() function. The variables x, y, width and height are used to calculate the target rectangle that is drawn. x and y denotes the center of the target rectangle. The width and height in the target rectangle is scaled by the scaleX and scaleY values. The resulting target rectangle is then rotated rotation degrees around the x, y center point.
See also QPainter::drawPixmapFragments().
Member Function Documentation
[static] PixmapFragment PixmapFragment::create(const QPointF &pos, const QRectF &sourceRect, qreal scaleX = 1, qreal scaleY = 1, qreal rotation = 0, qreal opacity = 1)
This is a convenience function that returns a QPainter::PixmapFragment that is initialized with the pos, sourceRect, scaleX, scaleY, rotation, opacity parameters.
This function was introduced in Qt 4.7.
Member Variable Documentation
This variable holds the height of the source rectangle and is used to calculate the height of the target rectangle.
This variable holds the opacity of the target rectangle, where 0.0 is fully transparent and 1.0 is fully opaque.
This variable holds the rotation of the target rectangle in degrees. The target rectangle is rotated after it has been scaled.
This variable holds the horizontal scale of the target rectangle.
This variable holds the vertical scale of the target rectangle.
This variable holds the left coordinate of the source rectangle.
This variable holds the top coordinate of the source rectangle.
This variable holds the width of the source rectangle and is used to calculate the width of the target rectangle.
This variable holds the x coordinate of center point in the target rectangle.
This variable holds the y coordinate of the center point in the target rectangle.
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