public static Texture2D GetCopy(this Texture2D tex, int x, int y, int w, int h, bool mipMaps)
{
Texture2D texture2D = new Texture2D(w, h, Texture2DExtensions.GetWritableFormat(tex.format), mipMaps);
texture2D.SetPixels(tex.GetPixels(x, y, w, h, 0), 0);
texture2D.Apply(mipMaps, false);
return(texture2D);
}
public static void MakeFormatWritable(this Texture2D tex)
{
TextureFormat format = tex.format;
TextureFormat writableFormat = Texture2DExtensions.GetWritableFormat(tex.format);
if (writableFormat != format)
{
Color[] pixels = tex.GetPixels(0);
tex.Resize(tex.width, tex.height, writableFormat, tex.mipmapCount > 1);
tex.SetPixels(pixels, 0);
tex.Apply(tex.mipmapCount > 1, false);
}
}
public static void Scale(this Texture2D tex, int width, int height)
{
if (width <= 0 || height <= 0 || (width == tex.width && height == tex.height))
{
return;
}
tex.MakeFormatWritable();
Color[] colors = Texture2DExtensions.ScaledPixels(tex.GetPixels(0), tex.width, tex.height, width, height);
if (tex.Resize(width, height, tex.format, tex.mipmapCount > 1))
{
tex.SetPixels(colors, 0);
tex.Apply(tex.mipmapCount > 1, false);
}
}
public static Texture2D ScaledCopy(this Texture2D tex, int width, int height, bool mipMaps)
{
if (width <= 0 || height <= 0)
{
return(null);
}
if (width == tex.width && height == tex.height)
{
return(tex.GetCopy(0, 0, tex.width, tex.height, mipMaps));
}
Color[] colors = Texture2DExtensions.ScaledPixels(tex.GetPixels(0), tex.width, tex.height, width, height);
Texture2D texture2D = new Texture2D(width, height, Texture2DExtensions.GetWritableFormat(tex.format), mipMaps);
texture2D.SetPixels(colors, 0);
texture2D.Apply(mipMaps, false);
return(texture2D);
}
