Qt: How to set the size of Pixmap?

[sonulohani]

I want to set the size of pixmap. The code is defined below.

QPixmap pix("alarm.png");
 painter->drawPixmap(pointf[i], pix);

QPixmap pix("alarm.png");
 painter->drawPixmap(pointf[i], pix);

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It is showing a bigger image.
How to set the size?

[mvuori]

You can either
1) Scale the pixmap befor drawing it, or
2) Use a version of drawPixmap that will do the scaling:

void QPainter::drawPixmap ( const QRectF & target, const QPixmap & pixmap, const QRectF & source )

Draws the rectangular portion source of the given pixmap into the given target in the paint device.

Note: The pixmap is scaled to fit the rectangle, if both the pixmap and rectangle size disagree.

[sonulohani]

this one works, the one i am showing below--------->

int x=points->x();
int y=points->y();
painter->drawpixmap(x,y,width,height,pixmap);//here replace the width and height with the pixmap width and height that you want to resize.

int x=points->x();
int y=points->y();
painter->drawpixmap(x,y,width,height,pixmap);//here replace the width and height with the pixmap width and height that you want to resize.

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And then you will get the image with the size that you've configured.