OpenSim-Test/OpenSim/Region/Framework/Interfaces/IDynamicTextureManager.cs

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using System.IO;
using OpenMetaverse;

namespace OpenSim.Region.Framework.Interfaces
{
    public interface IDynamicTextureManager
    {
        void RegisterRender(string handleType, IDynamicTextureRender render);
        void ReturnData(UUID id, byte[] data);

        UUID AddDynamicTextureURL(UUID simID, UUID primID, string contentType, string url, string extraParams,
                                    int updateTimer);
        UUID AddDynamicTextureURL(UUID simID, UUID primID, string contentType, string url, string extraParams,
                                   int updateTimer, bool SetBlending, byte AlphaValue);
        UUID AddDynamicTextureURL(UUID simID, UUID primID, string contentType, string url, string extraParams,
                                   int updateTimer, bool SetBlending, int disp, byte AlphaValue, int face);
        UUID AddDynamicTextureData(UUID simID, UUID primID, string contentType, string data, string extraParams,
                                     int updateTimer);

        /// Apply a dynamically generated texture to all sides of the given prim.  The texture is not persisted to the
        /// asset service.
        /// </summary>
        /// <param name="simID">The simulator in which the texture is being generated</param>
        /// <param name="primID">The prim to which to apply the texture.</param>
        /// <param name="contentType">The content type to create.  Current choices are "vector" to create a vector
        /// based texture or "image" to create a texture from an image at a particular URL</param>
        /// <param name="data">The data for the generator</param>
        /// <param name="extraParams">Parameters for the generator that don't form part of the main data.</param>
        /// <param name="updateTimer">If zero, the image is never updated after the first generation.  If positive
        /// the image is updated at the given interval.  Not implemented for </param>
        /// <param name="SetBlending">
        /// If true, the newly generated texture is blended with the appropriate existing ones on the prim
        /// </param>
        /// <param name="AlphaValue">
        /// The alpha value of the generated texture.
        /// </param>
        /// <returns>
        /// The UUID of the texture updater, not the texture UUID.  If you need the texture UUID then you will need
        /// to obtain it directly from the SceneObjectPart.  For instance, if ALL_SIDES is set then this texture
        /// can be obtained as SceneObjectPart.Shape.Textures.DefaultTexture.TextureID
        /// </returns>
        UUID AddDynamicTextureData(UUID simID, UUID primID, string contentType, string data, string extraParams,
                                    int updateTimer, bool SetBlending, byte AlphaValue);

        /// <summary>
        /// Apply a dynamically generated texture to the given prim.
        /// </summary>
        /// <param name="simID">The simulator in which the texture is being generated</param>
        /// <param name="primID">The prim to which to apply the texture.</param>
        /// <param name="contentType">The content type to create.  Current choices are "vector" to create a vector
        /// based texture or "image" to create a texture from an image at a particular URL</param>
        /// <param name="data">The data for the generator</param>
        /// <param name="extraParams">Parameters for the generator that don't form part of the main data.</param>
        /// <param name="updateTimer">If zero, the image is never updated after the first generation.  If positive
        /// the image is updated at the given interval.  Not implemented for </param>
        /// <param name="SetBlending">
        /// If true, the newly generated texture is blended with the appropriate existing ones on the prim
        /// </param>
        /// <param name="disp">
        /// Display flags.  If DISP_EXPIRE then the old texture is deleted if it is replaced by a
        /// newer generated texture (may not currently be implemented).  If DISP_TEMP then the asset is flagged as
        /// temporary, which often means that it is not persisted to the database.
        /// </param>
        /// <param name="AlphaValue">
        /// The alpha value of the generated texture.
        /// </param>
        /// <param name="face">
        /// The face of the prim on which to put the generated texture.  If ALL_SIDES then all sides of the prim are
        /// set
        /// </param>
        /// <returns>
        /// The UUID of the texture updater, not the texture UUID.  If you need the texture UUID then you will need
        /// to obtain it directly from the SceneObjectPart.  For instance, if ALL_SIDES is set then this texture
        /// can be obtained as SceneObjectPart.Shape.Textures.DefaultTexture.TextureID
        /// </returns>
        UUID AddDynamicTextureData(
            UUID simID, UUID primID, string contentType, string data, string extraParams,
            int updateTimer, bool SetBlending, int disp, byte AlphaValue, int face);
        
        void GetDrawStringSize(string contentType, string text, string fontName, int fontSize,
                               out double xSize, out double ySize);
    }

    public interface IDynamicTextureRender
    {
        string GetName();
        string GetContentType();
        bool SupportsAsynchronous();
        byte[] ConvertUrl(string url, string extraParams);
        byte[] ConvertStream(Stream data, string extraParams);
        bool AsyncConvertUrl(UUID id, string url, string extraParams);
        bool AsyncConvertData(UUID id, string bodyData, string extraParams);
        void GetDrawStringSize(string text, string fontName, int fontSize, 
                               out double xSize, out double ySize);
    }
}