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91 lines
4.0 KiB
C#
91 lines
4.0 KiB
C#
//
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// Radegast Metaverse Client
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// Copyright (c) 2009-2013, Radegast Development Team
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are met:
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//
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// * Redistributions of source code must retain the above copyright notice,
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// this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above copyright
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// notice, this list of conditions and the following disclaimer in the
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// documentation and/or other materials provided with the distribution.
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// * Neither the name of the application "Radegast", nor the names of its
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// contributors may be used to endorse or promote products derived from
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// this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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// DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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// CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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//
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// Based on code from Aurora Sim and OpenSimulator
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// Copyright (c) Contributors, http://aurora-sim.org/, http://opensimulator.org/
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//
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// $Id$
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//
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using System;
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using System.Collections.Generic;
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using System.Drawing;
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using System.Drawing.Imaging;
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using System.IO;
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using System.Reflection;
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using OpenMetaverse;
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using OpenMetaverse.Imaging;
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using OpenMetaverse.Rendering;
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using OpenMetaverse.StructuredData;
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namespace Radegast.Rendering
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{
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public static class ImageUtils
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{
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/// <summary>
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/// Performs bilinear interpolation between four values
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/// </summary>
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/// <param name="v00">First, or top left value</param>
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/// <param name="v01">Second, or top right value</param>
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/// <param name="v10">Third, or bottom left value</param>
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/// <param name="v11">Fourth, or bottom right value</param>
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/// <param name="xPercent">Interpolation value on the X axis, between 0.0 and 1.0</param>
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/// <param name="yPercent">Interpolation value on fht Y axis, between 0.0 and 1.0</param>
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/// <returns>The bilinearly interpolated result</returns>
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public static float Bilinear(float v00, float v01, float v10, float v11, float xPercent, float yPercent)
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{
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return Utils.Lerp(Utils.Lerp(v00, v01, xPercent), Utils.Lerp(v10, v11, xPercent), yPercent);
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}
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/// <summary>
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/// Performs a high quality image resize
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/// </summary>
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/// <param name="image">Image to resize</param>
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/// <param name="width">New width</param>
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/// <param name="height">New height</param>
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/// <returns>Resized image</returns>
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public static Bitmap ResizeImage(Image image, int width, int height)
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{
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Bitmap result = new Bitmap(width, height);
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using (Graphics graphics = Graphics.FromImage(result))
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{
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graphics.CompositingQuality = System.Drawing.Drawing2D.CompositingQuality.HighQuality;
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graphics.InterpolationMode = System.Drawing.Drawing2D.InterpolationMode.HighQualityBicubic;
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graphics.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.HighQuality;
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graphics.PixelOffsetMode = System.Drawing.Drawing2D.PixelOffsetMode.HighQuality;
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graphics.DrawImage(image, 0, 0, result.Width, result.Height);
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}
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return result;
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}
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}
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}
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