UltimateZoneBuilder/Source/Core/Data/SpriteImage.cs

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#region ================== Copyright (c) 2007 Pascal vd Heiden
/*
* Copyright (c) 2007 Pascal vd Heiden, www.codeimp.com
* This program is released under GNU General Public License
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
*/
#endregion
#region ================== Namespaces
using System;
using System.Drawing;
using System.IO;
using System.Runtime.InteropServices;
using CodeImp.DoomBuilder.IO;
using CodeImp.DoomBuilder.Windows;
#endregion
namespace CodeImp.DoomBuilder.Data
{
public interface ISpriteImage //mxd
{
int OffsetX { get; }
int OffsetY { get; }
}
public sealed class SpriteImage : ImageData, ISpriteImage
{
#region ================== Variables
private int offsetx;
private int offsety;
#endregion
#region ================== Properties
public int OffsetX { get { return offsetx; } }
public int OffsetY { get { return offsety; } }
#endregion
#region ================== Constructor / Disposer
// Constructor
internal SpriteImage(string name)
{
// Initialize
SetName(name);
AllowUnload = false;
// We have no destructor
GC.SuppressFinalize(this);
}
#endregion
#region ================== Methods
// This loads the image
protected override LocalLoadResult LocalLoadImage()
{
// Get the lump data stream
Bitmap bitmap = null;
string error = null;
string spritelocation = string.Empty; //mxd
Stream lumpdata = General.Map.Data.GetSpriteData(Name, ref spritelocation);
if(lumpdata != null)
{
// Get a reader for the data
bitmap = ImageDataFormat.TryLoadImage(lumpdata, ImageDataFormat.DOOMPICTURE, General.Map.Data.Palette, out offsetx, out offsety);
if(bitmap == null)
{
// Data is in an unknown format!
error = "Sprite lump \"" + Path.Combine(spritelocation, Name) + "\" data format could not be read. Does this lump contain valid picture data at all?";
}
// Done
lumpdata.Close();
}
else
{
// Missing a patch lump!
error = "Missing sprite lump \"" + Name + "\". Forgot to include required resources?";
}
return new LocalLoadResult(bitmap, error, () =>
{
scale.x = 1.0f;
scale.y = 1.0f;
// Set the offset if the offset was not given
if ((offsetx == int.MinValue) || (offsety == int.MinValue))
{
offsetx = offsety = 0;
}
});
}
#endregion
}
}