/// <summary>
/// Creates a texture that contains the data from the given sampled figure using the given view.
/// </summary>
public static unsafe Texture Create(SampledFigure Figure, View View, Format Format, int Width, int Height)
{
Texture tex;
byte[] data = new byte[Width * Height * 4];
fixed (byte* ptr = data)
{
WriteImageARGB(Figure, View, Width, Height, ptr);
tex = Create();
SetImage(Format, 0, Width, Height, ptr);
GenerateMipmap();
SetFilterMode(TextureMinFilter.LinearMipmapLinear, TextureMagFilter.Linear);
}
return tex;
}
/// <summary>
/// Writes a 32bpp ARGB image for the given view of a sampled figure.
/// </summary>
public static unsafe void WriteImageARGB(SampledFigure Figure, View View, int Width, int Height, byte* Data)
{
Point xdelta = View.Right / Width;
Point ydelta = View.Down / Height;
Point offset = View.Offset + xdelta * 0.5 + ydelta * 0.5;
for (int x = 0; x < Width; x++)
{
Point tpos = offset + xdelta * x;
for (int y = 0; y < Height; y++)
{
Point pos = tpos + ydelta * y;
GColor col = Figure.GetColor(pos);
Data[3] = (byte)(col.A * 255.0);
Data[2] = (byte)(col.R * 255.0);
Data[1] = (byte)(col.G * 255.0);
Data[0] = (byte)(col.B * 255.0);
Data += 4;
}
}
}