/// <summary>
/// Create a new mipmap with the data all set to 0.
/// </summary>
public Mipmap2D(int width, int height, int channels, int bitDepth, TEXTURE_MIPMAP mode = TEXTURE_MIPMAP.BOX, int minLevel = -1)
: base(width, height, channels, bitDepth)
{
MipmapMode = mode;
int min = Math.Min(width, height);
Levels = (int)(Math.Log(min) / Math.Log(2)) + 1;
if (minLevel > -1 && Levels > minLevel)
{
Levels = minLevel;
}
Data = new List <TextureData2D>(Levels);
int w = Width;
int h = Height;
for (int i = 0; i < Levels; i++)
{
Data.Add(TextureData2D.CreateData(w, h, channels, bitDepth));
w /= 2;
h /= 2;
}
}
private void CreateData(int width, int height, int channels, int bitDepth, TEXTURE_MIPMAP mode)
{
Data = null;
if (mode != TEXTURE_MIPMAP.NONE)
{
Data = new Mipmap2D(width, height, channels, bitDepth, mode);
}
else
{
Data = TextureData2D.CreateData(width, height, channels, bitDepth);
}
}
public void DimensionsCorrect()
{
int width = 64;
int height = 128;
int channels = 3;
int bitDepth = 8;
TEXTURE_MIPMAP mode = TEXTURE_MIPMAP.BOX;
Mipmap2D mipmap = new Mipmap2D(width, height, channels, bitDepth, mode);
Assert.AreEqual(width, mipmap.GetWidth());
Assert.AreEqual(height, mipmap.GetHeight());
Assert.AreEqual(channels, mipmap.Channels);
Assert.AreEqual(bitDepth, mipmap.BitDepth);
Assert.AreEqual(mode, mipmap.MipmapMode);
Assert.IsInstanceOfType(mipmap.GetData(0), typeof(TextureData2D8));
}
public Texture2D(int width, int height, int channels, int bitDepth, TEXTURE_MIPMAP mipmap)
{
if (channels < 1)
{
throw new ArgumentException("Channels must be at least 1");
}
if (width < 1)
{
throw new ArgumentException("Width must be at least 1");
}
if (height < 1)
{
throw new ArgumentException("Height must be at least 1");
}
CreateData(width, height, channels, bitDepth, mipmap);
}