private void AssertLennaImg(KTXTextureImporter tex)
{
Assert.That(tex.Identifier, Is.EqualTo(new byte[] { (byte)'«', (byte)'K', (byte)'T', (byte)'X', (byte)' ', (byte)'1', (byte)'1', (byte)'»', (byte)'\r', (byte)'\n', (byte)'\x1A', (byte)'\n' }));
Assert.That(tex.Endianess, Is.EqualTo(0x04030201));
Assert.That(tex.GlType, Is.Zero);
Assert.That(tex.GlTypeSize, Is.EqualTo(1));
Assert.That((UInt32)tex.GlFormat, Is.Zero);
Assert.That(tex.GlInternalFormat, Is.EqualTo(KTXPixelFormat.COMPRESSED_RGB8_ETC2));
Assert.That(tex.GlBaseInternalFormat, Is.EqualTo(KTXPixelFormat.RGB));
Assert.That(tex.Width, Is.EqualTo(512));
Assert.That(tex.Height, Is.EqualTo(512));
Assert.That(tex.Depth, Is.EqualTo(0));
Assert.That(tex.NumArrayElements, Is.EqualTo(0));
Assert.That(tex.NumFaces, Is.EqualTo(1));
Assert.That(tex.MipMapCount, Is.EqualTo(10));
Assert.That(tex.KeyValuePairs, Is.Not.Null);
Assert.That(tex.KeyValuePairs.Count, Is.EqualTo(1));
Assert.That(tex.KeyValuePairs, Contains.Key("KTXOrientation"));
Assert.That(tex.KeyValuePairs["KTXOrientation"], Is.EqualTo("S=r,T=d,R=i"));
Assert.That(tex.DataOffset, Is.EqualTo(96));
}
public void CanLoad()
{
string imgTestPath = Path.GetFullPath("Packages/com.arsenstudio.unitils/Tests/Runtime/textures/lenna.ktx");
byte[] imgData = File.ReadAllBytes(imgTestPath);
var ktxTexture = new KTXTextureImporter(imgData);
AssertLennaImg(ktxTexture);
}
/// <summary>
/// Loads KTX image byte array into a texture.
///
/// This function replaces texture contents with new image data.
/// </summary>
/// <param name="data">The byte array containing the image data to load.</param>
/// <param name="tex">The texture to load the image into.</param>
/// <returns>Returns true if the data can be loaded, false otherwise.</returns>
public static bool LoadKTXImage(byte[] data, out Texture2D tex)
{
var ktxImporter = new KTXTextureImporter(data);
try
{
tex = ktxImporter.GetTexture2D();
tex.Apply();
return(true);
}
catch (Exception e)
{
Debug.LogException(e);
tex = null;
return(false);
}
}
