83 lines
1.7 KiB
C#
83 lines
1.7 KiB
C#
#region Copyright & License Information
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/*
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* Copyright 2007-2011 The OpenRA Developers (see AUTHORS)
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* This file is part of OpenRA, which is free software. It is made
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* available to you under the terms of the GNU General Public License
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* as published by the Free Software Foundation. For more information,
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* see COPYING.
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*/
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#endregion
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using System.Drawing;
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using System.Drawing.Imaging;
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using OpenRA.FileFormats;
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using OpenRA.FileFormats.Graphics;
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namespace OpenRA.Graphics
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{
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public class Sheet
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{
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ITexture texture;
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bool dirty;
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public byte[] Data { get; private set; }
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public readonly Size Size;
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public Sheet(Size size)
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{
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Size = size;
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Data = new byte[4*Size.Width*Size.Height];
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}
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public Sheet(string filename)
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{
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var bitmap = (Bitmap)Image.FromStream(FileSystem.Open(filename));
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Size = bitmap.Size;
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Data = new byte[4*Size.Width*Size.Height];
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var b = bitmap.LockBits(bitmap.Bounds(),
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ImageLockMode.ReadOnly, PixelFormat.Format32bppArgb);
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unsafe
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{
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int* c = (int*)b.Scan0;
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for (var x = 0; x < Size.Width; x++)
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for (var y = 0; y < Size.Height; y++)
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{
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var i = 4*Size.Width*y + 4*x;
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// Convert argb to bgra
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var argb = *(c + (y * b.Stride >> 2) + x);
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Data[i++] = (byte)(argb >> 0);
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Data[i++] = (byte)(argb >> 8);
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Data[i++] = (byte)(argb >> 16);
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Data[i++] = (byte)(argb >> 24);
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}
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}
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bitmap.UnlockBits(b);
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}
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public ITexture Texture
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{
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get
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{
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if (texture == null)
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{
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texture = Game.Renderer.Device.CreateTexture();
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dirty = true;
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}
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if (dirty)
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{
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texture.SetData(Data, Size.Width, Size.Height);
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dirty = false;
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}
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return texture;
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}
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}
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public void MakeDirty() { dirty = true; }
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}
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}
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