public static Texture2D Copy(this Texture2D source, TextureFormat format = TextureFormat.RGBA32, CopyFilterMode filter = CopyFilterMode.Source)
{
if (source == null)
{
return(null);
}
Texture2D result = new Texture2D(source.width, source.height, format, false);
result.name = source.name;
switch (filter)
{
case CopyFilterMode.Source:
result.filterMode = source.filterMode;
break;
case CopyFilterMode.Point:
result.filterMode = FilterMode.Point;
break;
case CopyFilterMode.Bilinear:
result.filterMode = FilterMode.Bilinear;
break;
case CopyFilterMode.Trilinear:
result.filterMode = FilterMode.Trilinear;
break;
}
Color32[] pixels = source.GetPixels32();
if (pixels != null)
{
result.SetPixels32(source.GetPixels32());
result.Apply();
}
return(result);
}
public static Texture2D Crop(this Texture2D source, Rect area, TextureFormat format = TextureFormat.RGBA32, CopyFilterMode filter = CopyFilterMode.Source)
{
if (source == null)
{
return(null);
}
int top = (int)area.yMin;
int left = (int)area.xMin;
int width = (int)area.width;
int height = (int)area.height;
Texture2D result = new Texture2D(width, height, format, false);
result.name = source.name;
switch (filter)
{
case CopyFilterMode.Source:
result.filterMode = source.filterMode;
break;
case CopyFilterMode.Point:
result.filterMode = FilterMode.Point;
break;
case CopyFilterMode.Bilinear:
result.filterMode = FilterMode.Bilinear;
break;
case CopyFilterMode.Trilinear:
result.filterMode = FilterMode.Trilinear;
break;
}
Color[] pixels = source.GetPixels(left, top, width, height);
if (pixels != null)
{
result.SetPixels(pixels);
result.Apply();
}
return(result);
}
