public static void UpsizeAnyPartials(CubemapImages cubemap)
{
if (CheckPartial(cubemap.Back))
{
cubemap.Back = Upsize(cubemap.Back);
}
if (CheckPartial(cubemap.Bottom))
{
cubemap.Bottom = Upsize(cubemap.Bottom);
}
if (CheckPartial(cubemap.Front))
{
cubemap.Front = Upsize(cubemap.Front);
}
if (CheckPartial(cubemap.Left))
{
cubemap.Left = Upsize(cubemap.Left);
}
if (CheckPartial(cubemap.Right))
{
cubemap.Right = Upsize(cubemap.Right);
}
if (CheckPartial(cubemap.Top))
{
cubemap.Top = Upsize(cubemap.Top);
}
}
public static void FillAnyNullWithBlanks(CubemapImages cubemap)
{
Bitmap empty = new Bitmap(768, 768); // HACK
Graphics g = Graphics.FromImage(empty);
g.Clear(Color.Black);
if (cubemap.Back == null)
{
cubemap.Back = empty;
}
if (cubemap.Bottom == null)
{
cubemap.Bottom = empty;
}
if (cubemap.Front == null)
{
cubemap.Front = empty;
}
if (cubemap.Left == null)
{
cubemap.Left = empty;
}
if (cubemap.Right == null)
{
cubemap.Right = empty;
}
if (cubemap.Top == null)
{
cubemap.Top = empty;
}
}
private Bitmap GetOneValidImage(CubemapImages images)
{
if (images.Back != null)
{
return(images.Back);
}
else if (images.Bottom != null)
{
return(images.Bottom);
}
else if (images.Front != null)
{
return(images.Front);
}
else if (images.Left != null)
{
return(images.Left);
}
else if (images.Right != null)
{
return(images.Right);
}
else if (images.Top != null)
{
return(images.Top);
}
return(null);
}
private Bitmap StichCubeMap(CubemapImages images)
{
// grab the image size from first image found in the image set
var first = GetOneValidImage(images);
if (first == null)
{
return(null);
}
var size = first.Size;
if (size.Height != size.Width)
{
throw new Exception("Images must have an aspect ratio of 1:1 to build a cubemap");
}
// this is the order the cubemaps's are built in left to right
List <Bitmap> imagesList = new List <Bitmap>();
imagesList.Add(CheckNull(images.Left, size.Height));
imagesList.Add(CheckNull(images.Front, size.Height));
imagesList.Add(CheckNull(images.Right, size.Height));
imagesList.Add(CheckNull(images.Back, size.Height));
// need to flip the bottom/top images so cubemap is in correct format
Bitmap bottom = CheckNull(images.Bottom, size.Height);
bottom.RotateFlip(RotateFlipType.Rotate90FlipNone);
imagesList.Add(bottom);
Bitmap top = CheckNull(images.Top, size.Height);
top.RotateFlip(RotateFlipType.Rotate270FlipNone);
imagesList.Add(top);
return(MergeImages(imagesList));
}
public Bitmap ConstructCubemap(CubemapImages images)
{
return(StichCubeMap(images));
}
