2343     settings.setValue("matrix_view.m11", param_matrixWorld.m11());  in writeSettings()
2344     settings.setValue("matrix_view.m12", param_matrixWorld.m12());  in writeSettings()
2345     settings.setValue("matrix_view.m13", param_matrixWorld.m13());  in writeSettings()
2346     settings.setValue("matrix_view.m21", param_matrixWorld.m21());  in writeSettings()
2347     settings.setValue("matrix_view.m22", param_matrixWorld.m22());  in writeSettings()
2348     settings.setValue("matrix_view.m23", param_matrixWorld.m23());  in writeSettings()
2349     settings.setValue("matrix_view.m31", param_matrixWorld.m31());  in writeSettings()
2350     settings.setValue("matrix_view.m32", param_matrixWorld.m32());  in writeSettings()
2351     settings.setValue("matrix_view.m33", param_matrixWorld.m33());  in writeSettings()
2357     qreal m11 = settings.value("matrix_view.m11", param_matrixWorld.m11()).toDouble();  in readSettings()
2358     qreal m12 = settings.value("matrix_view.m12", param_matrixWorld.m12()).toDouble();  in readSettings()
2359     qreal m13 = settings.value("matrix_view.m13", param_matrixWorld.m13()).toDouble();  in readSettings()
2360     qreal m21 = settings.value("matrix_view.m21", param_matrixWorld.m21()).toDouble();  in readSettings()
2361     qreal m22 = settings.value("matrix_view.m22", param_matrixWorld.m22()).toDouble();  in readSettings()
2362     qreal m23 = settings.value("matrix_view.m23", param_matrixWorld.m23()).toDouble();  in readSettings()
2363     qreal m31 = settings.value("matrix_view.m31", param_matrixWorld.m31()).toDouble();  in readSettings()
2364     qreal m32 = settings.value("matrix_view.m32", param_matrixWorld.m32()).toDouble();  in readSettings()
2365     qreal m33 = settings.value("matrix_view.m33", param_matrixWorld.m33()).toDouble();  in readSettings()
2367     param_matrixWorld = QTransform(m11, m12, m13, m21, m22, m23, m31, m32, m33);  in readSettings()
2460     float delta = 2 * width() / (100.0 * param_matrixWorld.m11());  in siftWindowOnLeft()
2468     float delta = -2 * width() / (100.0 * param_matrixWorld.m11());  in siftWindowOnRight()
2476     float delta = 2 * height() / (100.0 * param_matrixWorld.m11());  in siftWindowOnUp()
2484     float delta = -2 * height() / (100.0 * param_matrixWorld.m11());  in siftWindowOnDown()
2491 …scaleView((threshold_zoom_img_region / param_matrixWorld.m11() - 1) * 5, QPointF(size().width() / …  in imgRegion()
2497     param_matrixWorld.reset();  in resetZoom()
2628     if (param_matrixWorld.m11()>1)  in mousePressEvent()
2647     if (param_matrixWorld.m11()>1)  in mouseReleaseEvent()
2676     if (param_matrixWorld.m11() > 1 && evnt->buttons() == Qt::LeftButton)  in mouseMoveEvent()
2678         QPointF dxy = (pt - positionGrabbing)/param_matrixWorld.m11();  in mouseMoveEvent()
2695     myPainter.setWorldTransform(param_matrixWorld);  in paintEvent()
2703     if (param_matrixWorld.m11()*ratioX >= threshold_zoom_img_region &&  in paintEvent()
2704         param_matrixWorld.m11()*ratioY >= threshold_zoom_img_region)  in paintEvent()
2710     if (param_matrixWorld.m11() > 1)  in paintEvent()
2745     param_matrixWorld.map(0,0,&left,&top);  in controlImagePosition()
2749         param_matrixWorld.translate(-left,0);  in controlImagePosition()
2754         param_matrixWorld.translate(0,-top);  in controlImagePosition()
2760     param_matrixWorld.map(sizeImage.width(),sizeImage.height(),&right,&bottom);  in controlImagePosition()
2763         param_matrixWorld.translate(sizeImage.width()-right,0);  in controlImagePosition()
2768         param_matrixWorld.translate(0,sizeImage.height()-bottom);  in controlImagePosition()
2776     matrixWorld_inv = param_matrixWorld.inverted();  in controlImagePosition()
2783     param_matrixWorld.translate(delta.x(),delta.y());  in moveView()
2795     if (param_matrixWorld.m11()==1 && factor < 1)  in scaleView()
2798     if (param_matrixWorld.m11()*factor<1)  in scaleView()
2799         factor = 1/param_matrixWorld.m11();  in scaleView()
2803     if (param_matrixWorld.m11()>100 && factor > 1)  in scaleView()
2810     param_matrixWorld.translate(a-factor*a,b-factor*b);  in scaleView()
2811     param_matrixWorld.scale(factor,factor);  in scaleView()
2817         centralWidget->displayStatusBar(tr("Zoom: %1%").arg(param_matrixWorld.m11()*100),1000);  in scaleView()
2819     if (param_matrixWorld.m11()>1)  in scaleView()
2940     double pixel_width = param_matrixWorld.m11()*ratioX;  in drawImgRegion()
2941     double pixel_height = param_matrixWorld.m11()*ratioY;  in drawImgRegion()
2943     qreal offsetX = param_matrixWorld.dx()/pixel_width;  in drawImgRegion()
2945     qreal offsetY = param_matrixWorld.dy()/pixel_height;  in drawImgRegion()
3043     qreal ratioSize = 1/param_matrixWorld.m11();  in drawViewOverview()