QVPainter Class Reference

Inherits from QPainter to allow versatile drawing on a QVImageCanvas object. More...

#include <QVPainter>

Public Member Functions
void	drawQVImage (QVGenericImage *image, bool adaptsize=TRUE, float low=0.0, float high=255.0)
	Draws a QVImage<T,n> of any type T and size n in the corresponding QVImageCanvas.
void	drawTextUnscaled (const QPointF &position, const QString &text)
	Draws text in a given pixel position of the QVImageCanvas which does not scale with zooming.
void	drawTextUnscaled (const QPoint &position, const QString &text)
	Draws text in a given pixel position of the QVImageCanvas which does not scale with zooming.
void	drawTextUnscaled (const QRectF &rectangle, int flags, const QString &text, QRectF *boundingRect=0)
	Draws text in a given rectangle of the QVImageCanvas which does not scale with zooming.
void	drawTextUnscaled (const QRect &rectangle, int flags, const QString &text, QRect *boundingRect=0)
	Draws text in a given rectangle of the QVImageCanvas which does not scale with zooming.
void	drawTextUnscaled (int x, int y, const QString &text)
	Draws text in a given position of the QVImageCanvas which does not scale with zooming.
void	drawTextUnscaled (int x, int y, int width, int height, int flags, const QString &text, QRect *boundingRect=0)
	Draws text in a given position of the QVImageCanvas which does not scale with zooming.
void	drawTextUnscaled (const QRectF &rectangle, const QString &text, const QTextOption &option=QTextOption())
	Draws text in a QVImageCanvas which does not scale with zooming, using the specified option to control its positioning and orientation.

Detailed Description

Inherits from QPainter to allow versatile drawing on a QVImageCanvas object.

Nobody except internally the QVImageCanvas class should create or destroy QVPainters, so you do not need to construct this kind of objects. You will only need to use them through the QVImageCanvas::getQVPainter() method when subclassing QVImageCanvas (see documentation on this last class for coding examples).

Definition at line 50 of file qvcanvas.h.

Member Function Documentation

void QVPainter::drawQVImage	(	QVGenericImage *	image,
		bool	adaptsize = `TRUE`,
		float	low = `0.0`,
		float	high = `255.0`
	)

Draws a QVImage<T,n> of any type T and size n in the corresponding QVImageCanvas.

Draws a QVImage<T,n> of any type T and size n in the corresponding QVImageCanvas. The image is drawn according to its current ROI (position and size).

Parameters:

	image	QVImage to draw.
	adaptsize	If true, the QVImageArea is rescaled according to the image drawn.
	low	Float value which will correspond to darkest (black) colour.
	high	Float value which will correspond to brightest (white) colour.

Definition at line 55 of file qvcanvas.cpp.

void QVPainter::drawTextUnscaled	(	const QPointF &	position,
		const QString &	text
	)

Draws text in a given pixel position of the QVImageCanvas which does not scale with zooming.