void Q3DCameraWidget::resizeGL ( int  cWidth, int  cHeight  )

protectedvirtual

Reimplemented from BasicGlCamera.

Definition at line 238 of file Q3DCameraWidget.cc.

References BasicGlCamera::pixelSize, BasicGlCamera::shownSizex, BasicGlCamera::shownSizey, and BasicGlCamera::viewSize.

    {
        glViewport(0,0,cWidth, cHeight);
        glMatrixMode(GL_PROJECTION);
        glLoadIdentity();
        GLfloat windowRatio = (float)cWidth/(float)cHeight;
        if (windowRatio < 1)
        {
//            windowRatio = 1.0f/windowRatio;
            gluPerspective(40.f, windowRatio, 1, 100);
//            gluOrtho2D(-viewSize, viewSize, -viewSize*windowRatio, viewSize*windowRatio);
            pixelSize = 2*viewSize/(float)cWidth;
            shownSizex = 2*viewSize;
            shownSizey = 2*viewSize*windowRatio;
        }
        else
        {
            gluPerspective(40.f, windowRatio,1, 8);
//            gluOrtho2D(-viewSize*windowRatio, viewSize*windowRatio, -viewSize, viewSize);
            pixelSize = 2*viewSize/(float)cHeight;
            shownSizex = 2*viewSize*windowRatio;
            shownSizey = 2*viewSize;
        }
        glMatrixMode(GL_MODELVIEW);
    }