public Vector MeasureFont(string text, double maxWidth = -1)
{
Vector dimensions = new Vector();
foreach(char c in text)
{
CharacterData data = Characters[c];
dimensions.X += data.XAdvance;
dimensions.Y = System.Math.Max(dimensions.Y, data.Height + data.YOffset);
}
return dimensions;
}
public void DrawImmediateModeVertex(Vector position, Color color, Point uvs)
{
GL.Color4(color.R, color.G, color.B, color.A);
GL.TexCoord2(uvs.X, uvs.Y);
GL.Vertex3(position.X, position.Y, position.Z);
}
private void SetPosition(Vector position, double width, double height)
{
double halfWidth = width / 2;
double halfHeight = height / 2;
// Use clockwise rotation for Vertex positioning
// TopLeft, TopRight, BottomLeft
Vertices[0].Position = new Vector(position.X - halfWidth, position.Y + halfHeight, position.Z);
Vertices[1].Position = new Vector(position.X + halfWidth, position.Y + halfHeight, position.Z);
Vertices[2].Position = new Vector(position.X - halfWidth, position.Y - halfHeight, position.Z);
// TopRight, BottomRight, BottomLeft
Vertices[3].Position = new Vector(position.X + halfWidth, position.Y + halfHeight, position.Z);
Vertices[4].Position = new Vector(position.X + halfWidth, position.Y - halfHeight, position.Z);
Vertices[5].Position = new Vector(position.X - halfWidth, position.Y - halfHeight, position.Z);
}
public void SetPosition(Vector position)
{
SetPosition(position, this.Width, this.Height);
}