ZoneBuilder/Source/Core/Data/FlatImage.cs

112 lines
2.7 KiB
C#

#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.IO;
using CodeImp.DoomBuilder.IO;
#endregion
namespace CodeImp.DoomBuilder.Data
{
internal sealed class FlatImage : ImageData
{
#region ================== Constructor / Disposer
// Constructor
public FlatImage(string name)
{
// Initialize
SetName(name);
virtualname = "[Flats]/" + this.name; //mxd
isFlat = true; //mxd
// We have no destructor
GC.SuppressFinalize(this);
}
#endregion
#region ================== Methods
// This loads the image
protected override void LocalLoadImage()
{
// Leave when already loaded
if(this.IsImageLoaded) return;
lock(this)
{
// Get the lump data stream
Stream lumpdata = General.Map.Data.GetFlatData(Name, hasLongName);
if(lumpdata != null)
{
// Copy lump data to memory
lumpdata.Seek(0, SeekOrigin.Begin);
byte[] membytes = new byte[(int)lumpdata.Length];
lumpdata.Read(membytes, 0, (int)lumpdata.Length);
MemoryStream mem = new MemoryStream(membytes);
mem.Seek(0, SeekOrigin.Begin);
// Get a reader for the data
IImageReader reader = ImageDataFormat.GetImageReader(mem, ImageDataFormat.DOOMFLAT, General.Map.Data.Palette);
if(reader is UnknownImageReader)
{
// Data is in an unknown format!
General.ErrorLogger.Add(ErrorType.Error, "Flat lump '" + Name + "' data format could not be read. Does this lump contain valid picture data at all?");
bitmap = null;
}
else
{
// Read data as bitmap
mem.Seek(0, SeekOrigin.Begin);
if(bitmap != null) bitmap.Dispose();
bitmap = reader.ReadAsBitmap(mem);
}
// Done
mem.Dispose();
if(bitmap != null)
{
// Get width and height from image and set the scale
width = bitmap.Size.Width;
height = bitmap.Size.Height;
scale.x = General.Map.Config.DefaultFlatScale;
scale.y = General.Map.Config.DefaultFlatScale;
}
else
{
loadfailed = true;
}
}
else
{
// Missing a patch lump!
General.ErrorLogger.Add(ErrorType.Error, "Missing flat lump '" + Name + "'. Did you forget to include required resources?");
loadfailed = true;
}
// Pass on to base
base.LocalLoadImage();
}
}
#endregion
}
}