// 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 = new MemoryStream(File.ReadAllBytes(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 image " + tileindex + ". Is this a valid picture file at all?");
loadfailed = true;
}
else
{
// Get width and height
width = bitmap.Size.Width;
height = bitmap.Size.Height;
}
// Pass on to base
filedata.Dispose();
base.LocalLoadImage();
}
}
// This loads the image
protected override void LocalLoadImage()
{
// Leave when already loaded
if (this.IsImageLoaded)
{
return;
}
lock (this)
{
Stream data = General.Map.Data.GetImageStream(this.tileindex);
if (data != null)
{
// Check image size...
if (width < 1 || height < 1)
{
General.ErrorLogger.Add(ErrorType.Error, "Art image " + this.tileindex + " has invalid size: " + width + "x" + height);
}
else if (data.Length != width * height)
{
General.ErrorLogger.Add(ErrorType.Error, "Art image " + this.tileindex + " data length doesn't match image size");
}
else
{
// Copy lump data to memory
byte[] membytes = new byte[(int)data.Length];
lock (data)
{
data.Seek(0, SeekOrigin.Begin);
data.Read(membytes, 0, (int)data.Length);
}
using (MemoryStream mem = new MemoryStream(membytes))
{
// Get a reader for the data
IImageReader reader = ImageDataFormat.GetImageReader(mem, SupportedImageFormat.ART, General.Map.Data.Palette);
if (!(reader is ARTImageReader))
{
// Data is in an unknown format!
General.ErrorLogger.Add(ErrorType.Error, "Art image " + this.tileindex + " data format could not be read.");
bitmap = null;
}
else
{
ARTImageReader artreader = (ARTImageReader)reader;
// Read data as bitmap
mem.Seek(0, SeekOrigin.Begin);
if (bitmap != null)
{
bitmap.Dispose();
}
bitmap = artreader.ReadAsBitmap(mem, width, height);
hasalpha = artreader.HasAlpha;
}
}
}
// Failed when no bitmap
loadfailed = (bitmap == null);
}
else
{
// Missing a tile!
General.ErrorLogger.Add(ErrorType.Error, "Missing ART tile " + this.tileindex + ". Make sure the required resources are located in the map or engine directory.");
loadfailed = true;
}
// Pass on to base
base.LocalLoadImage();
}
}
