mshsrfc's picture



I have just started using quikfont and it does not seem to respond to color and is always white text

QFont font = new QFont("Fonts/times.ttf", 12);

if (!font.fontLoaded)


GL.Translate(x, y, 0);

I have tried multiple tcolors but always white text

Any ideas

Mike Haville


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the Fiddler's picture

Try something like this:

font.Options.Colour = new Color4(tcolor);
pconesa's picture

Hi mshsrfc!

I know that it is outdated, but I have the same problem that you described here. Did you solve it?

I'm trying to add a label to each point I have, so this is my code:

QFont _pointLabel = new QFont(new Font("Tahoma", 1f * _zoom * _pointSize));
_pointLabel.Options.Colour = _labelColor;
 foreach (CanvasPoint p in _points)
     if (p.Visible)
        // Draw labels only for visible points
        _pointLabel.Print(p.ToString(), new Vector2(p.Center.X + esp, p.Center.Y + esp));

I want that label change their color according to "_labelColor", that it is a Color type.

Any idea?

Thanks. Sorry for my English.

pconesa's picture

I've solve my problem, so now I can change the color of my Labels easily.

The problem was that I was doing wrong the load of the textures, son now my code for this is the following:

private int LoadTexture(Image img)
        Bitmap bmp = new Bitmap(img);
        int id_textura = GL.GenTexture();
        GL.BindTexture(TextureTarget.Texture2D, id_textura);
        BitmapData bmp_data = bmp.LockBits(new Rectangle(0, 0, bmp.Width, bmp.Height), ImageLockMode.ReadOnly, System.Drawing.Imaging.PixelFormat.Format32bppArgb);
        GL.TexImage2D(TextureTarget.Texture2D, 0, PixelInternalFormat.Rgba, bmp_data.Width, bmp_data.Height, 0, OpenTK.Graphics.OpenGL.PixelFormat.Bgra, PixelType.UnsignedByte, bmp_data.Scan0);
        // We haven't uploaded mipmaps, so disable mipmapping (otherwise the texture will not appear).
        // On newer video cards, we can use GL.GenerateMipmaps() or GL.Ext.GenerateMipmaps() to create
        // mipmaps automatically. In that case, use TextureMinFilter.LinearMipmapLinear to enable them.
        GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMinFilter, (int)TextureMinFilter.Linear);
        GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMagFilter, (int)TextureMagFilter.Linear);
        return id_textura;

Hope it helps to anyone.

Sorry for my English.