This class is used in conjunction with the QPainter::drawPixmapFragments() function to specify how a pixmap, or sub-rect of a pixmap, is drawn. More...

#include <qpainter.h>

Static Public Functions
static PixmapFragment Q_GUI_EXPORT	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. More...

Public Variables
qreal	height
	the height of the source rectangle and is used to calculate the height of the target rectangle. More...

qreal	opacity
	the opacity of the target rectangle, where 0.0 is fully transparent and 1.0 is fully opaque. More...

qreal	rotation
	the rotation of the target rectangle in degrees. More...

qreal	scaleX
	the horizontal scale of the target rectangle. More...

qreal	scaleY
	the vertical scale of the target rectangle. More...

qreal	sourceLeft
	the left coordinate of the source rectangle. More...

qreal	sourceTop
	the top coordinate of the source rectangle. More...

qreal	width
	the width of the source rectangle and is used to calculate the width of the target rectangle. More...

qreal	x
	the x coordinate of center point in the target rectangle. More...

qreal	y
	the y coordinate of the center point in the target rectangle. More...

Detailed Description

This class is used in conjunction with the QPainter::drawPixmapFragments() function to specify how a pixmap, or sub-rect of a pixmap, is drawn.

Since: 4.7

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()

Definition at line 103 of file qpainter.h.

Functions

◆ create()

QPainter::PixmapFragment QPainter::PixmapFragment::create	(	const QPointF &	pos,
		const QRectF &	sourceRect,
		qreal	scaleX = `1`,
		qreal	scaleY = `1`,
		qreal	rotation = `0`,
		qreal	opacity = `1`
	)

static

This is a convenience function that returns a QPainter::PixmapFragment that is initialized with the pos, sourceRect, scaleX, scaleY, rotation, opacity parameters.

Since: 4.7

Definition at line 9829 of file qpainter.cpp.

 {
     PixmapFragment fragment = {pos.x(), pos.y(), sourceRect.x(), sourceRect.y(), sourceRect.width(),
                                sourceRect.height(), scaleX, scaleY, rotation, opacity};
     return fragment;
 }

Properties

◆ height

QPainter::PixmapFragment::height

the height of the source rectangle and is used to calculate the height of the target rectangle.

Definition at line 110 of file qpainter.h.

Referenced by QEmulationPaintEngine::drawPixmapFragments(), QPaintEngineEx::drawPixmapFragments(), QGL2PaintEngineExPrivate::drawPixmapFragments(), and QPainter::drawPixmapFragments().

◆ opacity

QPainter::PixmapFragment::opacity

the opacity of the target rectangle, where 0.0 is fully transparent and 1.0 is fully opaque.

Definition at line 114 of file qpainter.h.

Referenced by QEmulationPaintEngine::drawPixmapFragments(), QVGPaintEngine::drawPixmapFragments(), QPaintEngineEx::drawPixmapFragments(), and QGL2PaintEngineExPrivate::drawPixmapFragments().

◆ rotation

QPainter::PixmapFragment::rotation

the rotation of the target rectangle in degrees.

The target rectangle is rotated after it has been scaled.

Definition at line 113 of file qpainter.h.

◆ scaleX

QPainter::PixmapFragment::scaleX

the horizontal scale of the target rectangle.

Definition at line 111 of file qpainter.h.

Referenced by QEmulationPaintEngine::drawPixmapFragments(), QVGPaintEngine::drawPixmapFragments(), QPaintEngineEx::drawPixmapFragments(), QGL2PaintEngineExPrivate::drawPixmapFragments(), and QPainter::drawPixmapFragments().

◆ scaleY

QPainter::PixmapFragment::scaleY

the vertical scale of the target rectangle.

Definition at line 112 of file qpainter.h.

Referenced by QEmulationPaintEngine::drawPixmapFragments(), QVGPaintEngine::drawPixmapFragments(), QPaintEngineEx::drawPixmapFragments(), QGL2PaintEngineExPrivate::drawPixmapFragments(), and QPainter::drawPixmapFragments().

◆ sourceLeft

QPainter::PixmapFragment::sourceLeft

the left coordinate of the source rectangle.

Definition at line 107 of file qpainter.h.

◆ sourceTop

QPainter::PixmapFragment::sourceTop

the top coordinate of the source rectangle.

Definition at line 108 of file qpainter.h.

◆ width

QPainter::PixmapFragment::width

the width of the source rectangle and is used to calculate the width of the target rectangle.

Definition at line 109 of file qpainter.h.

Referenced by QEmulationPaintEngine::drawPixmapFragments(), QPaintEngineEx::drawPixmapFragments(), QGL2PaintEngineExPrivate::drawPixmapFragments(), and QPainter::drawPixmapFragments().

◆ x

QPainter::PixmapFragment::x

the x coordinate of center point in the target rectangle.

Definition at line 105 of file qpainter.h.

Referenced by QGL2PaintEngineExPrivate::drawPixmapFragments(), and QPainter::drawPixmapFragments().

◆ y

QPainter::PixmapFragment::y

the y coordinate of the center point in the target rectangle.

Definition at line 106 of file qpainter.h.