source: branches/HeuristicLab.Problems.GaussianProcessTuning/ILNumerics.2.14.4735.573/Drawing/Interfaces/IILTextInterpreter.cs @ 9102

///
///    This file is part of ILNumerics Community Edition.
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///    ILNumerics Community Edition - high performance computing for applications.
///    Copyright (C) 2006 - 2012 Haymo Kutschbach, http://ilnumerics.net
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using System;
using System.Collections.Generic;
using System.Text;
using System.Drawing; 
using ILNumerics.Drawing.Labeling; 

namespace ILNumerics.Drawing.Interfaces {
    /// <summary>
    /// interface for classes capable of transforming text 
    /// expressions into visual output representation
    /// </summary>
    /// <seealso cref="ILNumerics.Drawing.Labeling.ILSimpleTexInterpreter"/>
    public interface IILTextInterpreter {
        /// <summary>
        /// transform text element (text) into bitmap for rendering
        /// </summary>
        /// <param name="expression">item text expression, defines the visual output content</param>
        /// <param name="font">font used for rendering the text</param>
        /// <param name="color">initial color, unless overridden, used for items in expression</param>
        /// <param name="renderer">IILTextRenderer implementation, used for caching the element(s)</param>
        /// <returns>renderer queue, contains item keys and the size of transformed item expression</returns>
        /// <remarks>The implementation should use the general caching capabilities 
        /// of the renderer class. Therefore the item's elements must be cached subsequently
        /// into the renderer before drawing. The render queue returned may be 
        /// used for rendering in the same renderer than.</remarks>
        ILRenderQueue Transform(
                string expression, Font font, Color color, IILTextRenderer renderer);  
    }
}