void BasicGlCamera::DrawScale ( )

protected

Definition at line 452 of file BasicGlCamera.cc.

References bb, gg, i, logScale, rr, shownSizex, shownSizey, tooHighValueCoulour, and tooLowValueCoulour.

Referenced by QCameraWidget::paintGL(), and RawDataViewer::paintGL().

    {
        glPushMatrix();
        glLoadIdentity();
        glPushAttrib(GL_POLYGON_BIT);
        glShadeModel(GL_SMOOTH);
        glBegin(GL_QUADS);
        float oneX = shownSizex/2.f - shownSizex/50.f;
        float twoX = shownSizex/2.f;
        float oneY = -shownSizey/2.f;
        float twoY = -shownSizey/4.f;
        float threeY = 0;
        float fourY = shownSizey/4.f;
        float fiveY = shownSizey/2.f;
        glColor3f(rr[0], gg[0], bb[0]);
        glVertex2f(oneX, oneY);
        glVertex2f(twoX, oneY);
        glColor3f(rr[1], gg[1], bb[1]);
        glVertex2f(twoX, twoY);
        glVertex2f(oneX, twoY);

        glVertex2f(oneX, twoY);
        glVertex2f(twoX, twoY);
        glColor3f(rr[2], gg[2], bb[2]);
        glVertex2f(twoX, threeY);
        glVertex2f(oneX, threeY);

        glVertex2f(oneX, threeY);
        glVertex2f(twoX, threeY);
        glColor3f(rr[3], gg[3], bb[3]);
        glVertex2f(twoX, fourY);
        glVertex2f(oneX, fourY);

        glVertex2f(oneX, fourY);
        glVertex2f(twoX, fourY);
        glColor3f(rr[4], gg[4], bb[4]);
        glVertex2f(twoX, fiveY);
        glVertex2f(oneX, fiveY);
        float zeroX = oneX - shownSizex/50.f;
        float zeroY = fiveY - shownSizey/50.f;
        glColor3fv(tooHighValueCoulour);
        glVertex2f(zeroX, fiveY);
        glVertex2f(oneX, fiveY);
        glVertex2f(oneX, zeroY);
        glVertex2f(zeroX, zeroY);
        glColor3fv(tooLowValueCoulour);
        glVertex2f(zeroX, -fiveY);
        glVertex2f(oneX, -fiveY);
        glVertex2f(oneX, -zeroY);
        glVertex2f(zeroX, -zeroY);
        glEnd();
        glTranslatef(0,0,0.1f);

        //draw linear/log tick marks
        glColor3f(0.f,0.f,0.f);
        glBegin(GL_LINES);
        float value;
        for (int i=1;i<10;i++)
        {
            if (logScale)
                value = log10(i);
            else
                value = (float)(i)/10.f;
            float yy = -shownSizey/2.f + value*shownSizey;
            glVertex2f(oneX, yy);
            glVertex2f(twoX, yy);
        }
        glEnd();
        glPopAttrib();
        glPopMatrix();
    }

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