1 水平翻转
2 void ImageViewer::horFilp()
3 {
4 image = image.mirrored(true, false);
5 imageLabel->setPixmap(QPixmap::fromImage(image));
6 }
7 垂直翻转
8 void ImageViewer::verFilp()
9 {
10 image = image.mirrored(false, true);
11 imageLabel->setPixmap(QPixmap::fromImage(image));
12 }
13 顺时针旋转
14 void ImageViewer::clockwise()
15 {
16 QMatrix matrix;
17 matrix.rotate(90.0);
18 image = image.transformed(matrix,Qt::FastTransformation);
19 imageLabel->setPixmap(QPixmap::fromImage(image));
20 }
21 逆时针旋转
22 void ImageViewer::anticlockwise()
23 {
24 QMatrix matrix;
25 matrix.rotate(-90.0);
26 image = image.transformed(matrix,Qt::FastTransformation);
27 imageLabel->setPixmap(QPixmap::fromImage(image));
28 }
