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UltimateZoneBuilder/Source/Data/PK3FileImage.cs

125 lines
3.1 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.Collections;
using System.Collections.Generic;
using System.Globalization;
using System.Text;
using System.Drawing;
using System.Drawing.Imaging;
using System.IO;
using CodeImp.DoomBuilder.IO;
#endregion
namespace CodeImp.DoomBuilder.Data
{
public sealed class PK3FileImage : ImageData
{
#region ================== Variables
private PK3Reader datareader;
private string filepathname;
private int probableformat;
private float scalex;
private float scaley;
#endregion
#region ================== Constructor / Disposer
// Constructor
internal PK3FileImage(PK3Reader datareader, string name, string filepathname, bool asflat)
{
// Initialize
this.datareader = datareader;
this.filepathname = filepathname;
SetName(name);
if(asflat)
{
probableformat = ImageDataFormat.DOOMFLAT;
scalex = General.Map.Config.DefaultFlatScale;
scaley = General.Map.Config.DefaultFlatScale;
}
else
{
probableformat = ImageDataFormat.DOOMPICTURE;
scalex = General.Map.Config.DefaultTextureScale;
scaley = General.Map.Config.DefaultTextureScale;
}
// 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)
{
// Load file data
if(bitmap != null) bitmap.Dispose(); bitmap = null;
MemoryStream filedata = datareader.ExtractFile(filepathname);
// Get a reader for the data
IImageReader reader = ImageDataFormat.GetImageReader(filedata, probableformat, General.Map.Data.Palette);
if(!(reader is UnknownImageReader))
{
// Load the image
filedata.Seek(0, SeekOrigin.Begin);
try { bitmap = reader.ReadAsBitmap(filedata); }
catch(InvalidDataException)
{
// Data cannot be read!
bitmap = null;
}
}
// Not loaded?
if(bitmap == null)
{
General.ErrorLogger.Add(ErrorType.Error, "Image file '" + filepathname + "' data format could not be read, while loading texture '" + this.Name + "'");
loadfailed = true;
}
else
{
// Get width and height from image
width = bitmap.Size.Width;
height = bitmap.Size.Height;
scaledwidth = (float)bitmap.Size.Width * scalex;
scaledheight = (float)bitmap.Size.Height * scaley;
}
// Pass on to base
filedata.Dispose();
base.LocalLoadImage();
}
}
#endregion
}
}