// This loads the PLAYPAL palette
public override Playpal LoadPalette()
{
// Error when suspended
if (issuspended)
{
throw new Exception("Data reader is suspended");
}
// Palette from wad(s)
Playpal palette = null;
foreach (WADReader wr in wads)
{
Playpal wadpalette = wr.LoadPalette();
if (wadpalette != null)
{
return(wadpalette);
}
}
// Find in root directory
string foundfile = FindFirstFile("PLAYPAL", false);
if ((foundfile != null) && FileExists(foundfile))
{
MemoryStream stream = LoadFile(foundfile);
palette = new Playpal(stream);
stream.Dispose();
}
// Done
return(palette);
}
// This loads the PLAYPAL palette
public override Playpal LoadPalette()
{
// Error when suspended
if (issuspended)
{
throw new Exception("Data reader is suspended");
}
// Palette from wad(s)
Playpal palette = null;
foreach (WADReader wr in wads)
{
Playpal wadpalette = wr.LoadPalette();
if (wadpalette != null)
{
return(wadpalette);
}
}
// Find in root directory
string foundfile = FindFirstFile("PLAYPAL", false);
if ((foundfile != null) && FileExists(foundfile))
{
MemoryStream stream = LoadFile(foundfile);
if (stream.Length > 767) //mxd
{
palette = new Playpal(stream);
}
else
{
General.ErrorLogger.Add(ErrorType.Warning, "Warning: invalid palette \"" + foundfile + "\"");
}
stream.Dispose();
}
// Done
return(palette);
}
// This check image data and returns the appropriate image reader
public static IImageReader GetImageReader(Stream data, int guessformat, Playpal palette)
{
BinaryReader bindata = new BinaryReader(data);
DoomPictureReader picreader;
DoomFlatReader flatreader;
DoomColormapReader colormapreader;
// First check the formats that provide the means to 'ensure' that
// it actually is that format. Then guess the Doom image format.
// Data long enough to check for signatures?
if (data.Length > 10)
{
// Check for PNG signature
data.Seek(0, SeekOrigin.Begin);
if (CheckSignature(data, PNG_SIGNATURE))
{
return(new FileImageReader());
}
// Check for DDS signature
data.Seek(0, SeekOrigin.Begin);
if (CheckSignature(data, DDS_SIGNATURE))
{
return(new FileImageReader());
}
// Check for GIF signature
data.Seek(0, SeekOrigin.Begin);
if (CheckSignature(data, GIF_SIGNATURE))
{
return(new FileImageReader());
}
// Check for BMP signature
data.Seek(0, SeekOrigin.Begin);
if (CheckSignature(data, BMP_SIGNATURE))
{
// Check if data size matches the size specified in the data
if (bindata.ReadUInt32() <= data.Length)
{
return(new FileImageReader());
}
}
}
// Could it be a doom picture?
if (guessformat == DOOMPICTURE)
{
// Check if data is valid for a doom picture
data.Seek(0, SeekOrigin.Begin);
picreader = new DoomPictureReader(palette);
if (picreader.Validate(data))
{
return(picreader);
}
}
// Could it be a doom flat?
else if (guessformat == DOOMFLAT)
{
// Check if data is valid for a doom flat
data.Seek(0, SeekOrigin.Begin);
flatreader = new DoomFlatReader(palette);
if (flatreader.Validate(data))
{
return(flatreader);
}
}
// Could it be a doom colormap?
else if (guessformat == DOOMCOLORMAP)
{
// Check if data is valid for a doom colormap
data.Seek(0, SeekOrigin.Begin);
colormapreader = new DoomColormapReader(palette);
if (colormapreader.Validate(data))
{
return(colormapreader);
}
}
// Format not supported
return(new UnknownImageReader());
}
public static Bitmap TryLoadImage(Stream data, int guessformat, Playpal palette, out int offsetx, out int offsety)
{
offsetx = int.MinValue;
offsety = int.MinValue;
try
{
if (data == null)
{
return(null);
}
// Data long enough to check for signatures?
if (data.Length > 10)
{
IImageReader loader = null;
if (CheckSignature(data, PNG_SIGNATURE))
{
loader = new FrameworkImageReader(true);
}
else if (CheckSignature(data, JPG_SIGNATURE))
{
loader = new FrameworkImageReader(false);
}
else if (CheckSignature(data, PCX_SIGNATURE))
{
loader = new PcxImageReader();
}
else if (CheckTgaSignature(data))
{
loader = new TgaImageReader();
}
if (loader != null)
{
data.Seek(0, SeekOrigin.Begin);
try
{
Bitmap image = loader.ReadAsBitmap(data, out offsetx, out offsety);
if (image != null) // The older loaders return null when they should throw an exception
{
return(image);
}
}
catch
{
}
}
}
IImageReader doomloader = null;
// Could it be a doom picture?
switch (guessformat)
{
case DOOMPICTURE:
// Check if data is valid for a doom picture
data.Seek(0, SeekOrigin.Begin);
DoomPictureReader picreader = new DoomPictureReader(palette);
if (picreader.Validate(data))
{
doomloader = picreader;
}
break;
case DOOMFLAT:
// Check if data is valid for a doom flat
data.Seek(0, SeekOrigin.Begin);
DoomFlatReader flatreader = new DoomFlatReader(palette);
if (flatreader.Validate(data))
{
doomloader = flatreader;
}
break;
case DOOMCOLORMAP:
// Check if data is valid for a doom colormap
data.Seek(0, SeekOrigin.Begin);
DoomColormapReader colormapreader = new DoomColormapReader(palette);
if (colormapreader.Validate(data))
{
doomloader = colormapreader;
}
break;
}
if (doomloader != null)
{
data.Seek(0, SeekOrigin.Begin);
Bitmap image = doomloader.ReadAsBitmap(data, out offsetx, out offsety);
if (image != null)
{
return(image);
}
}
return(null);
}
catch
{
return(null);
}
}
private static readonly int[] PCX_SIGNATURE = new[] { 10, 5, 1, 8 }; //mxd
// Try load image data with the appropriate image reader. Returns null if the image could not be loaded
public static Bitmap TryLoadImage(Stream data, int guessformat = UNKNOWN, Playpal palette = null)
{
int offsetx, offsety;
return(TryLoadImage(data, guessformat, palette, out offsetx, out offsety));
}
// This requests loading the image
protected virtual void LocalLoadImage()
{
BitmapData bmpdata = null;
lock (this)
{
// Bitmap loaded successfully?
if (bitmap != null)
{
// Bitmap has incorrect format?
if (bitmap.PixelFormat != PixelFormat.Format32bppArgb)
{
// villsa
if (General.Map.FormatInterface.InDoom64Mode)
{
ColorPalette ncp = bitmap.Palette;
foreach (TextureIndexInfo tp in General.Map.Config.ThingPalettes)
{
// sprite contains alternate palette?
if (General.Map.Data.ThingPalette.ContainsKey(tp.Title) &&
tp.Index == palindex)
{
Playpal pal = General.Map.Data.ThingPalette[tp.Title];
for (int i = 0; i < 255; i++)
{
// copy alternate palette over
ncp.Entries[i] = pal[i].ToColor();
}
}
}
}
//General.ErrorLogger.Add(ErrorType.Warning, "Image '" + name + "' does not have A8R8G8B8 pixel format. Conversion was needed.");
Bitmap oldbitmap = bitmap;
try
{
// Convert to desired pixel format
bitmap = new Bitmap(oldbitmap.Size.Width, oldbitmap.Size.Height, PixelFormat.Format32bppArgb);
Graphics g = Graphics.FromImage(bitmap);
g.PageUnit = GraphicsUnit.Pixel;
g.CompositingQuality = CompositingQuality.HighQuality;
g.InterpolationMode = InterpolationMode.NearestNeighbor;
g.SmoothingMode = SmoothingMode.None;
g.PixelOffsetMode = PixelOffsetMode.None;
g.Clear(Color.Transparent);
g.DrawImage(oldbitmap, 0, 0, oldbitmap.Size.Width, oldbitmap.Size.Height);
g.Dispose();
oldbitmap.Dispose();
}
catch (Exception e)
{
bitmap = oldbitmap;
General.ErrorLogger.Add(ErrorType.Warning, "Cannot lock image '" + name + "' for pixel format conversion. The image may not be displayed correctly.\n" + e.GetType().Name + ": " + e.Message);
}
}
// This applies brightness correction on the image
if (usecolorcorrection)
{
try
{
// Try locking the bitmap
bmpdata = bitmap.LockBits(new Rectangle(0, 0, bitmap.Size.Width, bitmap.Size.Height), ImageLockMode.ReadWrite, PixelFormat.Format32bppArgb);
}
catch (Exception e)
{
General.ErrorLogger.Add(ErrorType.Warning, "Cannot lock image '" + name + "' for color correction. The image may not be displayed correctly.\n" + e.GetType().Name + ": " + e.Message);
}
// Bitmap locked?
if (bmpdata != null)
{
// Apply color correction
PixelColor *pixels = (PixelColor *)(bmpdata.Scan0.ToPointer());
General.Colors.ApplColorCorrection(pixels, bmpdata.Width * bmpdata.Height);
bitmap.UnlockBits(bmpdata);
}
}
}
else
{
// Loading failed
// We still mark the image as ready so that it will
// not try loading again until Reload Resources is used
loadfailed = true;
bitmap = new Bitmap(Properties.Resources.Failed);
}
if (bitmap != null)
{
width = bitmap.Size.Width;
height = bitmap.Size.Height;
// Do we still have to set a scale?
if ((scale.x == 0.0f) && (scale.y == 0.0f))
{
if ((General.Map != null) && (General.Map.Config != null))
{
scale.x = General.Map.Config.DefaultTextureScale;
scale.y = General.Map.Config.DefaultTextureScale;
}
else
{
scale.x = 1.0f;
scale.y = 1.0f;
}
}
}
// Image is ready
imagestate = ImageLoadState.Ready;
}
}
private static readonly int[] PCX_SIGNATURE = new[] { 10, 5, 1, 8 }; //mxd
// This check image data and returns the appropriate image reader
public static IImageReader GetImageReader(Stream data, int guessformat, Playpal palette)
{
if (data == null)
{
return(new UnknownImageReader()); //mxd
}
// Data long enough to check for signatures?
if (data.Length > 10)
{
uint ilType = DevilImageType.IL_TYPE_UNKNOWN;
// Check for PNG signature
if (CheckSignature(data, PNG_SIGNATURE))
{
ilType = DevilImageType.IL_PNG;
}
// Check for DDS signature
else if (CheckSignature(data, DDS_SIGNATURE))
{
ilType = DevilImageType.IL_DDS;
}
//mxd. Check for PCX signature
else if (CheckSignature(data, PCX_SIGNATURE))
{
ilType = DevilImageType.IL_PCX;
}
//mxd. Check for JPG signature
else if (CheckSignature(data, JPG_SIGNATURE))
{
ilType = DevilImageType.IL_JPG;
}
//mxd. TGA is VERY special in that it doesn't have a proper signature...
else if (CheckTgaSignature(data))
{
ilType = DevilImageType.IL_TGA;
}
//
if (ilType != DevilImageType.IL_TYPE_UNKNOWN)
{
FileImageReader ilreader = new FileImageReader(ilType, guessformat, palette);
// also fill in the possible proxy type
return(ilreader);
}
/*
* // Check for GIF signature
* if(CheckSignature(data, GIF_SIGNATURE)) return new UnknownImageReader(); //mxd. Not supported by (G)ZDoom
*
* // Check for BMP signature
* if(CheckSignature(data, BMP_SIGNATURE)) return new UnknownImageReader(); //mxd. Not supported by (G)ZDoom
*/
}
// Could it be a doom picture?
switch (guessformat)
{
case DOOMPICTURE:
// Check if data is valid for a doom picture
data.Seek(0, SeekOrigin.Begin);
DoomPictureReader picreader = new DoomPictureReader(palette);
if (picreader.Validate(data))
{
return(picreader);
}
break;
case DOOMFLAT:
// Check if data is valid for a doom flat
data.Seek(0, SeekOrigin.Begin);
DoomFlatReader flatreader = new DoomFlatReader(palette);
if (flatreader.Validate(data))
{
return(flatreader);
}
break;
case DOOMCOLORMAP:
// Check if data is valid for a doom colormap
data.Seek(0, SeekOrigin.Begin);
DoomColormapReader colormapreader = new DoomColormapReader(palette);
if (colormapreader.Validate(data))
{
return(colormapreader);
}
break;
}
// Format not supported
return(new UnknownImageReader());
}
