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/*
* Copyright (c) Contributors, http://opensimulator.org/
* See CONTRIBUTORS.TXT for a full list of copyright holders.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of the OpenSim Project nor the
* names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
using System;
using System.Drawing;
using System.Drawing.Imaging;
namespace libTerrain
{
partial class Channel
{
public Channel LoadImage(string filename)
{
SetDiff();
Bitmap bit = new Bitmap(filename);
Channel chan = new Channel(bit.Width, bit.Height);
int x, y;
for (x = 0; x < bit.Width; x++)
{
for (y = 0; y < bit.Height; y++)
{
Color val = bit.GetPixel(x, y);
chan.map[x, y] = (((double) val.R + (double) val.G + (double) val.B)/3.0)/255.0;
}
}
return chan;
}
public void SaveImage(string filename)
{
Channel outmap = Copy();
outmap.Normalise();
Bitmap bit = new Bitmap(w, h, PixelFormat.Format24bppRgb);
int x, y;
for (x = 0; x < w; x++)
{
for (y = 0; y < h; y++)
{
int val = Math.Min(255, (int) (outmap.map[x, y]*255));
Color col = Color.FromArgb(val, val, val);
bit.SetPixel(x, y, col);
}
}
bit.Save(filename);
}
}
}
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