private void ReadPalette(BinaryReader reader, BitmapEntry entry)
{
if (_palette == null /*entry.Id == "!PAL"*/)
{
_palette = reader.ReadBytes(3 * 256);
}
entry.Type = BitmapEntryType.Palette;
}
private void ReadTexture(BinaryReader reader, BitmapEntry entry, int width, int height)
{
byte[] pixelData = reader.ReadBytes(width * height);
int overhang = 0; // (4 - ((width * 4) % 4));
int stride = (width * 4) + overhang;
byte[] imgData = new byte[stride * height];
int curPosition = 0;
for (int i = 0; i < height; i++)
{
for (int x = 0; x < width; x++)
{
byte pixel = pixelData[width * i + x];
if (pixel == 0xFF)
{
imgData[curPosition] = 0;
imgData[curPosition + 1] = 0;
imgData[curPosition + 2] = 0;
imgData[curPosition + 3] = 0;
}
else
{
byte[] rgb = GetRGBForPixel(pixel);
imgData[curPosition] = rgb[2];
imgData[curPosition + 1] = rgb[1];
imgData[curPosition + 2] = rgb[0];
imgData[curPosition + 3] = 0xFF;
}
curPosition += 4;
}
curPosition += overhang;
}
entry.Texture = new Texture2D(Engine.Instance.Device, width, height, 1, TextureUsage.None, SurfaceFormat.Color);
entry.Texture.SetData <byte>(imgData);
entry.Texture.Save("c:\\temp\\" + entry.Id + ".png", ImageFileFormat.Png);
entry.Texture.Dispose();
entry.Texture = Texture2D.FromFile(Engine.Instance.Device, "c:\\temp\\" + entry.Id + ".png");
entry.Type = BitmapEntryType.Texture;
}
private void ReadBitmapData(BinaryReader reader, BitmapEntry entry)
{
reader.ReadByte();
reader.ReadBytes(3);
int width = reader.ReadInt16();
int height = reader.ReadInt16();
reader.ReadInt32();
reader.ReadInt32();
if (entry.Id.ToUpper() == "!PAL")
{
ReadPalette(reader, entry);
}
else
{
ReadTexture(reader, entry, width, height);
}
}
public override void Read(BinaryReader reader)
{
base.Read(reader);
Debug.WriteLine(">> Loading bitmap chunk");
int itemCount = reader.ReadInt32();
string directoryName = new string(reader.ReadChars(4));
for (int i = 0; i < itemCount; i++)
{
BitmapEntry entry = new BitmapEntry();
entry.Id = new string(reader.ReadChars(4));
entry.Offset = reader.ReadInt32();
_bitmaps.Add(entry);
Debug.WriteLine("Bitmap " + entry.Id);
}
//Load palette first
foreach (BitmapEntry entry in _bitmaps)
{
if (entry.Id.ToUpper() == "!PAL")
{
reader.BaseStream.Position = _offset + entry.Offset;
ReadBitmapData(reader, entry);
break;
}
}
foreach (BitmapEntry entry in _bitmaps)
{
if (entry.Type != BitmapEntryType.Palette)
{
reader.BaseStream.Position = _offset + entry.Offset;
ReadBitmapData(reader, entry);
}
}
}
public override void Read(BinaryReader reader)
{
base.Read(reader);
Debug.WriteLine(">> Loading bitmap chunk");
int itemCount = reader.ReadInt32();
string directoryName = new string(reader.ReadChars(4));
for (int i = 0; i < itemCount; i++)
{
BitmapEntry entry = new BitmapEntry();
entry.Id = new string(reader.ReadChars(4));
entry.Offset = reader.ReadInt32();
_bitmaps.Add(entry);
Debug.WriteLine("Bitmap " + entry.Id);
}
//Load palette first
foreach (BitmapEntry entry in _bitmaps)
{
if (entry.Id.ToUpper() == "!PAL")
{
reader.BaseStream.Position = _offset + entry.Offset;
ReadBitmapData(reader, entry);
break;
}
}
foreach (BitmapEntry entry in _bitmaps)
{
if (entry.Type != BitmapEntryType.Palette)
{
reader.BaseStream.Position = _offset + entry.Offset;
ReadBitmapData(reader, entry);
}
}
}
private void ReadBitmapData(BinaryReader reader, BitmapEntry entry)
{
reader.ReadByte();
reader.ReadBytes(3);
int width = reader.ReadInt16();
int height = reader.ReadInt16();
reader.ReadInt32();
reader.ReadInt32();
if (entry.Id.ToUpper() == "!PAL")
ReadPalette(reader, entry);
else
ReadTexture(reader, entry, width, height);
}
private void ReadTexture(BinaryReader reader, BitmapEntry entry, int width, int height)
{
byte[] pixelData = reader.ReadBytes(width * height);
int overhang = 0; // (4 - ((width * 4) % 4));
int stride = (width * 4) + overhang;
byte[] imgData = new byte[stride * height];
int curPosition = 0;
for (int i = 0; i < height; i++)
{
for (int x = 0; x < width; x++)
{
byte pixel = pixelData[width * i + x];
if (pixel == 0xFF)
{
imgData[curPosition] = 0;
imgData[curPosition + 1] = 0;
imgData[curPosition + 2] = 0;
imgData[curPosition + 3] = 0;
}
else
{
byte[] rgb = GetRGBForPixel(pixel);
imgData[curPosition] = rgb[2];
imgData[curPosition + 1] = rgb[1];
imgData[curPosition + 2] = rgb[0];
imgData[curPosition + 3] = 0xFF;
}
curPosition += 4;
}
curPosition += overhang;
}
entry.Texture = new Texture2D(Engine.Instance.Device, width, height, 1, TextureUsage.None, SurfaceFormat.Color);
entry.Texture.SetData<byte>(imgData);
entry.Texture.Save("c:\\temp\\" + entry.Id + ".png", ImageFileFormat.Png);
entry.Texture.Dispose();
entry.Texture = Texture2D.FromFile(Engine.Instance.Device, "c:\\temp\\" + entry.Id + ".png");
entry.Type = BitmapEntryType.Texture;
}
private void ReadPalette(BinaryReader reader, BitmapEntry entry)
{
if (_palette == null /*entry.Id == "!PAL"*/)
{
_palette = reader.ReadBytes(3 * 256);
}
entry.Type = BitmapEntryType.Palette;
}