NXImageLayerGPU Class

partial class FormMain
{
    private Pixoneer.NXDL.NXImage.NXImageView nxImageView1;
    private Pixoneer.NXDL.NXImage.NXImageLayerGPU nxImageLayerGPU1;
    public XTextPrinter m_TextPrinter;
    public XTextPrinter m_TextPrinter2;
    public XTexture m_TexLogo;

    private void InitializeComponent()
    {
        this.nxImageView1 = new Pixoneer.NXDL.NXImage.NXImageView();
        this.nxImageLayerGPU1 = new Pixoneer.NXDL.NXImage.NXImageLayerGPU();
        this.nxImageLayerGPU1.BorderStyle = System.Windows.Forms.BorderStyle.FixedSingle;
        this.nxImageLayerGPU1.Location = new System.Drawing.Point(20, 110);
        this.nxImageLayerGPU1.Name = "nxImageLayerGPU1";
        this.nxImageLayerGPU1.Size = new System.Drawing.Size(145, 30);
        this.nxImageLayerGPU1.TabIndex = 2;
        this.nxImageLayerGPU1.Visible = false;
        this.nxImageLayerGPU1.OnOrthoRender += new Pixoneer.NXDL.NXImage.NXImageLayerGPU_Event_OrthoRender(this.nxImageLayerGPU1_OnOrthoRender);
        this.nxImageLayerGPU1.OnRender += new Pixoneer.NXDL.NXImage.NXImageLayerGPU_Event_Render(this.nxImageLayerGPU1_OnRender);
        this.nxImageView1.Controls.Add(this.nxImagLayerGPU1);
    }

    public FormMain()
    {
        InitializeComponent();

        m_TextPrinter = new XTextPrinter();
        Font myFont = new Font("Gulim", 12, FontStyle.Strikeout | FontStyle.Underline | FontStyle.Bold);
        m_TextPrinter.Initialize(myFont);

        m_TextPrinter2 = new XTextPrinter();
        Font myFont2 = new Font("Gulim", 15, FontStyle.Strikeout | FontStyle.Underline | FontStyle.Bold);
        m_TextPrinter2.Initialize(myFont2);

        m_TexLogo = new XTexture();
        m_TexLogo.Load("D:/Images/logo.bmp");

    }
    private bool nxImageLayerGPU1_OnRender(NXImageLayerGPU sender, NXImageViewDrawArgs DrawArgs)
    {
        XGraphics g = DrawArgs.Graphics;
        g.glBegin(XGraphics.GL_LINES);
        g.glColor(Color.Red);
        g.glVertex3d(DrawArgs.LLWorld);
        g.glVertex3d(DrawArgs.URWorld);
        g.glColor3f(1.0f, 1.0f, 1.0f);
        g.glEnd();

        if (m_TextPrinter != null)
        {
            XVertex3d vw = DrawArgs.Vertex3d(DrawArgs.MousePosWorld);
            m_TextPrinter.Print("hello",
                vw,
                new XVertex2d(0, 0),
                new XVertex2d(0.5, 0.5),
                Color.Blue,
                true,
                Color.Green);
        }
        return default(bool);
    }

    private bool nxImageLayerGPU1_OnOrthoRender(NXImageLayerGPU sender, NXImageViewDrawArgs DrawArgs)
    {
        XGraphics g = DrawArgs.Graphics;

        if (m_TexLogo!=null && m_TexLogo.Loaded)
        {
            if (!m_TexLogo.InDevice)
                m_TexLogo.SendTextureToDevice();

            g.glDisable(XGraphics.GL_DEPTH_TEST);
            g.glEnable(XGraphics.GL_TEXTURE_2D);
            g.glBindTexture(XGraphics.GL_TEXTURE_2D, (uint)m_TexLogo.GLTextureID);

            g.glColor(Color.White);
            g.glBegin(XGraphics.GL_QUADS);
            g.glTexCoord2f(0, 1); g.glVertex2d(nxImageView1.Width - 215, nxImageView1.Height - 84);
            g.glTexCoord2f(0, 0); g.glVertex2d(nxImageView1.Width - 215, nxImageView1.Height - 10);
            g.glTexCoord2f(1, 0); g.glVertex2d(nxImageView1.Width - 10, nxImageView1.Height - 10);
            g.glTexCoord2f(1, 1); g.glVertex2d(nxImageView1.Width - 10, nxImageView1.Height - 84);
            g.glEnd();
            g.glEnable(XGraphics.GL_DEPTH_TEST);
            g.glDisable(XGraphics.GL_TEXTURE_2D);
        }

        if (m_TextPrinter!=null)
        {
            g.glDisable(XGraphics.GL_DEPTH_TEST);
            g.glEnable(XGraphics.GL_BLEND);
            g.glBlendFunc(XGraphics.GL_SRC_ALPHA, XGraphics.GL_ONE_MINUS_SRC_ALPHA);
            g.glColor4f(0.0f, 0.7f, 0.0f, 0.0f);
            g.glBegin(XGraphics.GL_QUADS);
            g.glVertex2d(0, nxImageView1.Height - 50);
            g.glColor4f(0.7f, 0.0f, 0.7f, 0.0f);
            g.glVertex2d(nxImageView1.Width, nxImageView1.Height - 50);
            g.glColor4f(0.7f, 0.0f, 0.7f, 0.5f);
            g.glVertex2d(nxImageView1.Width, nxImageView1.Height);
            g.glColor4f(0.0f, 0.7f, 0.0f, 0.5f);
            g.glVertex2d(0, nxImageView1.Height);
            g.glEnd();
            g.glDisable(XGraphics.GL_BLEND);
            g.glEnable(XGraphics.GL_DEPTH_TEST);

            XVertex3d posWorld = new XVertex3d(0, 30, 0);
            XVertex2d posOffset = new XVertex2d(0, 0);
            XVertex2d align = new XVertex2d(0, 0.5);
            m_TextPrinter.Print("hello", posWorld, posOffset, align, Color.Red, true, Color.Yellow);


            XVertex3d posWorld2 = new XVertex3d(nxImageView1.Width / 2.0, nxImageView1.Height / 2, 0);
            XVertex2d posOffset2 = new XVertex2d(0, 0);
            XVertex2d align2 = new XVertex2d(0, 0.5);
            m_TextPrinter2.Print("world", posWorld2, eTextAlign.Align_Right, Color.Red, true, Color.Green);

            posWorld.x = nxImageView1.Width / 2.0;
            align.x = 0.5;
        }
        return default(bool);
    }
}