/// <summary>
/// Copy constructor.
/// </summary>
public MipMap(MipMap mipmap)
{
Width = mipmap.Width;
Height = mipmap.Height;
Pixels = new byte[Width * Height * 4];
Array.Copy(mipmap.Pixels, Pixels, Pixels.Length);
}
/// <summary>
/// Gets the pixels as an raw BGRA32 byte array.
/// </summary>
public byte[] GetPixelsRaw(int mipmap = 0)
{
if (mipmap >= MipMaps.Count || mipmap < 0)
{
throw new IndexOutOfRangeException("Mipmap index out of range!");
}
MipMap mm = MipMaps[mipmap];
return(mm.Pixels);
}
/// <summary>
/// Gets the pixels as an Color4 array.
/// </summary>
public Color4[] GetPixels(int mipmap = 0)
{
if (mipmap >= MipMaps.Count || mipmap < 0)
{
throw new IndexOutOfRangeException("Mipmap index out of range!");
}
MipMap mm = MipMaps[mipmap];
Color4[] result = new Color4[mm.Width * mm.Height];
int index = 0;
for (int i = 0; i < result.Length; i++)
{
index = i * 4;
result[i].B_ = mm.Pixels[index];
result[i].G_ = mm.Pixels[index + 1];
result[i].R_ = mm.Pixels[index + 2];
result[i].A_ = mm.Pixels[index + 3];
}
return(result);
}
private void GetFromBitmap(Bitmap bitmap)
{
Bitmap bmp = new Bitmap(bitmap);
Width = bmp.Width;
Height = bmp.Height;
MipMap mipMap = new MipMap(Width, Height);
for (int y = 0; y < Height; y++)
{
for (int x = 0; x < Width; x++)
{
Color col = bmp.GetPixel(x, y);
int index = (y * Width + x) * 4;
mipMap.Pixels[index] = col.B;
mipMap.Pixels[index + 1] = col.G;
mipMap.Pixels[index + 2] = col.R;
mipMap.Pixels[index + 3] = col.A;
}
}
MipMaps.Add(mipMap);
}
protected override void _Read(BinaryReader reader)
{
Image image = Image.FromStream(reader.BaseStream);
Bitmap bmp = new Bitmap(image);
Width = bmp.Width;
Height = bmp.Height;
MipMap mipMap = new MipMap(Width, Height);
for (int y = 0; y < Height; y++)
{
for (int x = 0; x < Width; x++)
{
Color col = bmp.GetPixel(x, y);
int index = (y * Width + x) * 4;
mipMap.Pixels[index] = col.B;
mipMap.Pixels[index + 1] = col.G;
mipMap.Pixels[index + 2] = col.R;
mipMap.Pixels[index + 3] = col.A;
}
}
MipMaps.Add(mipMap);
}