public BMBGImage LoadImage(string filename)
{
file = new BinaryReader(File.Open(filename, FileMode.Open));
BMBGImage image = new BMBGImage();
image.header = file.ReadUInt32();
if (image.header != 0x47424D42)
{
System.Windows.Forms.MessageBox.Show("invalid header");
return null;
}
image.filename = Path.GetFileName(filename);
image.width = file.ReadUInt16();
image.height = file.ReadUInt16();
image.tile_color_bits = file.ReadByte();
image.palette_lines = file.ReadByte();
image.nothing1 = file.ReadUInt16();
image.nothing2 = file.ReadUInt32();
image.palette = new _555Color[image.palette_lines * 16];
for (int i = 0; i < (image.palette_lines * 16); i++)
{
UInt16 color = file.ReadUInt16();
image.palette.SetValue(new _555Color(color), i);
}
image.image_tiles = (UInt32)(image.width * image.height);
image.puzzle = new byte[image.image_tiles];
for (int i = 0; i < image.image_tiles; i++)
{
if (image.tile_color_bits == 8)
{
byte tile = file.ReadByte();
image.puzzle.SetValue(tile, i);
}
if (image.tile_color_bits == 4)
{
byte tile = file.ReadByte();
byte first_color = (byte)(tile & 0xF);
byte second_color = (byte)(tile >> 4);
image.puzzle.SetValue(first_color, i);
image.puzzle.SetValue(second_color, i + 1);
i++;
}
}
image.bitmap = Generate_Bitmap(image);
image.palette_bitmap = Generate_Palette_Bitmap(image);
//Images.Add(image);
file.Close();
return image;
}
private Bitmap Generate_Bitmap(BMBGImage image)
{
Bitmap bitmap = new Bitmap(image.width, image.height);
for (int x = 0; x < image.width; x++)
{
for (int y = 0; y < image.height; y++)
{
//try
//{
byte tile = image.puzzle[y * image.width + x];
bitmap.SetPixel(x, y, image.palette[tile].Color);
//}
//catch
//{
// bitmap.SetPixel(x, y, Color.PaleTurquoise);
//}
}
}
return bitmap;
}
private Bitmap Generate_Palette_Bitmap(BMBGImage image)
{
Bitmap bitmap = new Bitmap(168, 90);
int ox = 0;
int oy = 0;
// 21
for (int i = 0; i < image.palette.Length; i++)
{
for (int x = 0; x < 8; x++)
{
for (int y = 0; y < 6; y++)
{
Color color = image.palette[i].Color;
bitmap.SetPixel(x + ox, y + oy, color);
}
}
if (ox < 168 - 8)
{
ox += 8;
}
else
{
ox = 0;
oy += 6;
}
}
return bitmap;
}