RescalingRequest.cs

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// Copyright (c) 2014 Silicon Studio Corp. (http://siliconstudio.co.jp)
// This file is distributed under GPL v3. See LICENSE.md for details.
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace SiliconStudio.TextureConverter.Requests
{
    /// <summary>
    /// Request to rescale a texture (will delete every mipmaps of the texture)
    /// </summary>
    internal abstract class RescalingRequest : IRequest
    {
        public override RequestType Type { get { return RequestType.Rescaling; } }

        /// <summary>
        /// The filter to be used when rescaling
        /// </summary>
        /// <value>
        /// The filter.
        /// </value>
        public Filter.Rescaling Filter { get; protected set; }

        /// <summary>
        /// Initializes a new instance of the <see cref="RescalingRequest"/> class.
        /// </summary>
        /// <param name="filter">The filter.</param>
        protected RescalingRequest(Filter.Rescaling filter)
        {
            this.Filter = filter;
        }

        /// <summary>
        /// Computes the new width of the image.
        /// </summary>
        /// <param name="texImage">The tex image.</param>
        /// <returns></returns>
        public abstract int ComputeWidth(TexImage texImage);

        /// <summary>
        /// Computes the new height of the image.
        /// </summary>
        /// <param name="texImage">The tex image.</param>
        /// <returns></returns>
        public abstract int ComputeHeight(TexImage texImage);

    }
}