/// <summary>
///
/// </summary>
/// <param name="capacity"></param>
/// <param name="anchor"></param>
public CtrlLabel(int capacity, GUIAnchorStyles anchor)
: base(anchor)
{
if (capacity < 0)
{
throw new ArgumentException("capacity");
}
this.Size = new GUISize(20, 20);
var model = new GlyphsModel(capacity);
this.labelModel = model;
var vs = new VertexShader(vert);
var fs = new FragmentShader(frag);
var codes = new ShaderArray(vs, fs);
var map = new AttributeMap();
map.Add(inPosition, GlyphsModel.position);
map.Add(inSTR, GlyphsModel.STR);
var blend = new BlendFuncSwitch(BlendSrcFactor.SrcAlpha, BlendDestFactor.OneMinusSrcAlpha);
var methodBuilder = new RenderMethodBuilder(codes, map, blend);
this.RenderUnit = new ModernRenderUnit(model, methodBuilder);
this.Initialize();
}
/// <summary>
/// Creates a billboard in 3D world. Its size is described by Width\Height(in pixels).
/// </summary>
/// <param name="width"></param>
/// <param name="height"></param>
/// <param name="capacity">Maximum characters count.</param>
/// <param name="glyphServer"></param>
/// <returns></returns>
public static TextBillboardNode Create(int width, int height, int capacity, GlyphServer glyphServer = null)
{
var vs = new VertexShader(vertexCode);// this vertex shader has no vertex attributes.
var fs = new FragmentShader(fragmentCode);
var provider = new ShaderArray(vs, fs);
var map = new AttributeMap();
map.Add(inPosition, GlyphsModel.position);
map.Add(inSTR, GlyphsModel.STR);
var blendState = new BlendFuncSwitch(BlendSrcFactor.SrcAlpha, BlendDestFactor.OneMinusSrcAlpha);
var builder = new RenderMethodBuilder(provider, map, blendState);
var node = new TextBillboardNode(width, height, new GlyphsModel(capacity), builder, glyphServer);
node.Initialize();
node.blend = blendState;
return node;
}