/// <summary>
/// Flips the specified image horizontally or vertically.
/// </summary>
/// <param name="image">The image.</param>
/// <param name="index">The index of the sub-image.</param>
/// <param name="orientation">The orientation <see cref="Orientation.Flip"/>.</param>
public void FlipSub(TexImage image, int index, Orientation orientation)
{
if (image.Format.IsCompressed())
{
Log.Warning("You can't flip a compressed texture. It will be decompressed first..");
Decompress(image, image.Format.IsSRgb());
}
var request = new FlippingSubRequest(index, orientation);
ExecuteRequest(image, request);
}
/// <summary>
/// Flips the specified sub-image horizontally or vertically.
/// </summary>
/// <param name="image">The image.</param>
/// <param name="libraryData">The library data.</param>
/// <param name="flipSub">The flip request.</param>
private void FlipSub(TexImage image, FreeImageTextureLibraryData libraryData, FlippingSubRequest flipSub)
{
Log.Info("Flipping image : sub-image " + flipSub.SubImageIndex + " " + flipSub.Flip + " ...");
if (flipSub.SubImageIndex >= 0 && flipSub.SubImageIndex < libraryData.Bitmaps.Length)
{
switch (flipSub.Flip)
{
case Orientation.Vertical:
FreeImage.FlipVertical(libraryData.Bitmaps[flipSub.SubImageIndex]);
break;
case Orientation.Horizontal:
FreeImage.FlipHorizontal(libraryData.Bitmaps[flipSub.SubImageIndex]);
break;
}
}
else
{
Log.Warning("Cannot flip the sub-image " + flipSub.SubImageIndex + " because there is only " + libraryData.Bitmaps.Length + " sub-images.");
}
// TODO: texture atlas update?
}