public GraphicsImage(Reader reader, bool dcGFX = false)
{
if (dcGFX)
{
reader.ReadByte();
}
width = (ushort)(reader.ReadByte() << 8);
width |= reader.ReadByte();
height = (ushort)(reader.ReadByte() << 8);
height |= reader.ReadByte();
// Create image
gfxImage = new Bitmap(width, height, PixelFormat.Format8bppIndexed);
ColorPalette cp = gfxImage.Palette;
// Read & Process palette
for (int i = 0; i < 255; i++)
{
GFXpal[i].R = reader.ReadByte();
GFXpal[i].G = reader.ReadByte();
GFXpal[i].B = reader.ReadByte();
cp.Entries[i] = Color.FromArgb(255, GFXpal[i].R, GFXpal[i].G, GFXpal[i].B);
}
gfxImage.Palette = cp;
//Read Image Data
byte[] buf = new byte[3];
bool finished = false;
int cnt = 0;
int loop = 0;
data = new byte[(width * height) + 1];
while (!finished)
{
buf[0] = reader.ReadByte();
if (buf[0] == 255)
{
buf[1] = reader.ReadByte();
if (buf[1] == 255)
{
finished = true;
break;
}
else
{
buf[2] = reader.ReadByte();
loop = 0;
// Repeat value needs to decreased by one to decode
// the graphics from the Dreamcast demo
if (dcGFX)
{
buf[2]--;
}
while (loop < buf[2] && !reader.IsEof)
{
data[cnt++] = buf[1];
loop++;
}
}
}
else
{
data[cnt++] = buf[0];
}
}
//Console.Write("file Length = " + reader.BaseStream.Length + " file pos = " + reader.Pos + " data remaining = " + (reader.BaseStream.Length - reader.Pos));
// Write data to image
int pixel = 0;
for (int h = 0; h < height; h++)
{
for (int w = 0; w < width; w++)
{
BitmapData ImgData = gfxImage.LockBits(new Rectangle(new Point(w, h), new Size(1, 1)), System.Drawing.Imaging.ImageLockMode.ReadWrite, System.Drawing.Imaging.PixelFormat.Format8bppIndexed);
byte b = System.Runtime.InteropServices.Marshal.ReadByte(ImgData.Scan0);
System.Runtime.InteropServices.Marshal.WriteByte(ImgData.Scan0, (data[pixel]));
gfxImage.UnlockBits(ImgData);
pixel++;
}
}
reader.Close();
}
public void read(Reader reader)
{
reader.ReadInt16(); // "BM"
reader.ReadInt32(); // totalFileSize
reader.ReadInt32(); // Unused
int pixelPos = reader.ReadInt32();
reader.seek(14 + 4, System.IO.SeekOrigin.Begin);
width = reader.ReadByte();
width |= reader.ReadByte() << 8;
width |= reader.ReadByte() << 16;
width |= reader.ReadByte() << 24;
height = reader.ReadByte();
height |= reader.ReadByte() << 8;
height |= reader.ReadByte() << 16;
height |= reader.ReadByte() << 24;
reader.BaseStream.Position += sizeof(ushort);
bool indexed = reader.ReadUInt16() <= 8; //bpp
if (!indexed)
{
throw new Exception("RSDK-Formatted Bitmap files must be indexed!");
}
reader.BaseStream.Position += 4 * sizeof(int);
int clrCount = reader.ReadInt32(); // how many colours used
reader.seek(14 + 40, System.IO.SeekOrigin.Begin);
for (int c = 0; c < clrCount; c++)
{
palette[c].B = reader.ReadByte();
palette[c].G = reader.ReadByte();
palette[c].R = reader.ReadByte();
reader.ReadByte(); // unused
}
long expectedPixelPos = (reader.BaseStream.Length - height * width);
if (pixelPos != expectedPixelPos)
{
throw new Exception("RSDK-Formatted Bitmap files must end with the pixel data!");
}
// This is how RSDK does it but there's a small chance it could maybe be wrong
reader.seek(expectedPixelPos, System.IO.SeekOrigin.Begin);
pixels = new byte[width * height];
int gfxPos = width * (height - 1);
for (int y = 0; y < height; ++y)
{
for (int x = 0; x < width; ++x)
{
pixels[gfxPos++] = reader.ReadByte();
}
gfxPos -= 2 * width;
}
reader.Close();
}
public gfx(Reader reader, bool dcGFX)
{
if (dcGFX)
{
reader.ReadByte();
}
width = reader.ReadByte() << 8;
width |= reader.ReadByte();
height = reader.ReadByte() << 8;
height |= reader.ReadByte();
// Create image
GFXpal = new gfxPalette();
gfxImage = new Bitmap(width, height, PixelFormat.Format8bppIndexed);
ColorPalette cp = gfxImage.Palette;
// Read & Process palette, ISSUE HERE
for (int i = 0; i < 255; i++)
{
GFXpal.r[i] = reader.ReadByte();
GFXpal.g[i] = reader.ReadByte();
GFXpal.b[i] = reader.ReadByte();
cp.Entries[i] = Color.FromArgb(255, GFXpal.r[i], GFXpal.g[i], GFXpal.b[i]);
}
gfxImage.Palette = cp;
//Read Image Data
int[] buf = new int[3];
bool finished = false;
int cnt = 0;
int loop = 0;
data = new int[width * height];
while (!reader.IsEof)
{
buf[0] = reader.ReadByte();
if (buf[0] != 0xFF && !reader.IsEof)
{
data[cnt++] = buf[0];
}
else
{
buf[1] = reader.ReadByte();
if (buf[1] != 0xFF && !reader.IsEof)
{
buf[2] = reader.ReadByte();
loop = 0;
// Repeat value needs to decreased by one to decode
// the graphics from the Dreamcast demo
if (dcGFX)
{
buf[2]--;
}
while (loop < buf[2] && !reader.IsEof)
{
data[cnt++] = buf[1];
loop++;
}
}
else
{
finished = true;
}
}
}
// Write data to image
int pixel = 0;
for (int h = 0; h < height; h++)
{
for (int w = 0; w < width; w++)
{
BitmapData ImgData = gfxImage.LockBits(new Rectangle(new Point(w, h), new Size(1, 1)), System.Drawing.Imaging.ImageLockMode.ReadWrite, System.Drawing.Imaging.PixelFormat.Format8bppIndexed);
byte b = System.Runtime.InteropServices.Marshal.ReadByte(ImgData.Scan0);
System.Runtime.InteropServices.Marshal.WriteByte(ImgData.Scan0, (byte)(data[pixel]));
gfxImage.UnlockBits(ImgData);
pixel++;
}
}
reader.Close();
}