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76 lines
2.8 KiB
C#
76 lines
2.8 KiB
C#
/*
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* Copyright (c) Contributors, http://opensimulator.org/
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* See CONTRIBUTORS.TXT for a full list of copyright holders.
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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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* * Redistributions of source code must retain the above copyright
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* notice, 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 OpenSim Project nor the
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* names of its contributors may be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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using System;
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using System.Drawing;
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using System.Drawing.Imaging;
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namespace libTerrain
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{
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partial class Channel
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{
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public Channel LoadImage(string filename)
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{
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SetDiff();
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Bitmap bit = new Bitmap(filename);
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Channel chan = new Channel(bit.Width, bit.Height);
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int x, y;
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for (x = 0; x < bit.Width; x++)
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{
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for (y = 0; y < bit.Height; y++)
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{
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Color val = bit.GetPixel(x, y);
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chan.map[x, y] = (((double) val.R + (double) val.G + (double) val.B)/3.0)/255.0;
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}
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}
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return chan;
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}
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public void SaveImage(string filename)
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{
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Channel outmap = Copy();
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outmap.Normalise();
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Bitmap bit = new Bitmap(w, h, PixelFormat.Format24bppRgb);
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int x, y;
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for (x = 0; x < w; x++)
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{
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for (y = 0; y < h; y++)
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{
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int val = Math.Min(255, (int) (outmap.map[x, y]*255));
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Color col = Color.FromArgb(val, val, val);
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bit.SetPixel(x, y, col);
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}
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}
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bit.Save(filename);
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}
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}
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} |