public static void TreePack(Size textureSize, string[] filenames, string outputFilename)
{
System.Drawing.Image[] images = new Image[filenames.Length];
// for (int i=0; i<filenames.Length; i++)
// {
// files[i] = new System.IO.FileInfo(filenames[i]);
// images[i] = System.Drawing.Bitmap.FromFile(filenames[i]);
// }
// ERectangle[] rects;
// EPoint[] offsets;
// Bitmap bmp = TreePack(images, out rects, out offsets);
// bmp.Save(outputFilename);
EPoint[] offsets = new EPoint[filenames.Length];
System.IO.FileInfo[] files = new System.IO.FileInfo[filenames.Length];
PropList originalOrder = new PropList();
for (int i = 0; i < filenames.Length; i++)
{
files[i] = new System.IO.FileInfo(filenames[i]);
images[i] = System.Drawing.Bitmap.FromFile(filenames[i]);
EPoint pntMid = new EPoint(images[i].Width, images[i].Height) / 2;
EPoint pnt = new EPoint();
images[i] = Endogine.BitmapHelpers.BitmapHelper.TrimWhitespace((Bitmap)images[i], out pnt);
offsets[i] = pntMid - pnt + new EPoint(1, 1);
originalOrder.Add(filenames[i], images[i]);
}
Image[] unpacked = null;
int numPixelsMinimum;
Size maxWnH, minWnH;
GetImagesStatistics(images, out numPixelsMinimum, out maxWnH, out minWnH);
if (textureSize.Width == 0 || textureSize.Height == 0)
{
int side = (int)Math.Sqrt(numPixelsMinimum);
int asdas = (int)Math.Ceiling(Math.Log(side, 2));
textureSize = new Size(side, side);
}
if (numPixelsMinimum >= textureSize.Width * textureSize.Height)
{
throw new Exception("Not enough space to pack in");
}
images = Endogine.BitmapHelpers.TexturePacking.SortImagesBySize(images);
Random rnd = new Random();
int nNumTries = 1;
for (int i = 0; i < nNumTries; i++)
{
//Irritating, but since we can't find index of an item in a standard array...:
ArrayList aImagesNewOrder = new ArrayList();
foreach (Image image in images)
{
aImagesNewOrder.Add(image);
}
EPoint[] locsInTexture = null;
Bitmap bmp = Endogine.BitmapHelpers.TexturePacking.TreePack(textureSize, images, out unpacked, out locsInTexture);
int areaExcluded = Endogine.BitmapHelpers.TexturePacking.GetTotalArea(unpacked);
if (unpacked.Length > 0)
{
throw new Exception("Couldn't fit all images. Total pixels excluded = " + areaExcluded.ToString() + " (side = " + ((int)Math.Sqrt(areaExcluded)).ToString() + ")");
}
ArrayList aUnpacked = new ArrayList();
foreach (Image image in unpacked)
{
aUnpacked.Add(image);
}
int areaUnused = 0;
foreach (Image image in images)
{
if (!aUnpacked.Contains(image))
{
areaUnused += image.Size.Width * image.Size.Height;
}
}
if (areaUnused > textureSize.Width * textureSize.Height / 2)
{
//TODO: we could maybe make the texture at least half as big
}
Node infoNode = new Node();
infoNode = infoNode.CreateChild("Files");
//TODO: go by the list of images that was actually used!
for (int orgIndex = 0; orgIndex < originalOrder.Count; orgIndex++)
{
Image image = (Image)originalOrder.GetByIndex(orgIndex);
if (aUnpacked.Contains(image))
{
continue;
}
int newIndex = aImagesNewOrder.IndexOf(image);
//create the file entry (File, Rect, Offset)
ERectangle rctInTexture = new ERectangle(
locsInTexture[newIndex].X, locsInTexture[newIndex].Y, image.Width, image.Height);
Node frameNode = infoNode.CreateChild("File");
//remove extension from filename:
frameNode.Value = files[orgIndex].Name.Substring(0, files[orgIndex].Name.LastIndexOf(files[orgIndex].Extension));
//frameNode.Value = files[orgIndex].Name;
Node subNode = frameNode.CreateChild("Rect");
subNode.Value = rctInTexture.ToString();
subNode = frameNode.CreateChild("Offset");
subNode.Value = offsets[orgIndex].ToString();
}
System.Xml.XmlDocument doc = infoNode.RootNode.CreateXmlDocument();
string sOut = null;
if (nNumTries > 1)
{
sOut = outputFilename + areaExcluded.ToString() + "-" + i.ToString();
}
else
{
sOut = outputFilename;
}
doc.Save(sOut + ".xml");
bmp.Save(sOut + ".png");
//randomize order to see if we get better results:
ArrayList aImages = new ArrayList();
for (int j = 0; j < images.Length; j++)
{
aImages.Add(images[j]);
}
Image[] randomOrder = new Image[images.Length];
for (int j = images.Length - 1; j >= 0; j--)
{
int pos = 0;
if (j > 0)
{
pos = Math.Min(rnd.Next(j), j - 1);
}
randomOrder[j] = (Image)aImages[pos];
aImages.RemoveAt(pos);
}
images = randomOrder;
}
}
public static void TreePack(Size textureSize, string[] filenames, string outputFilename)
{
System.Drawing.Image[] images = new Image[filenames.Length];
// for (int i=0; i<filenames.Length; i++)
// {
// files[i] = new System.IO.FileInfo(filenames[i]);
// images[i] = System.Drawing.Bitmap.FromFile(filenames[i]);
// }
// ERectangle[] rects;
// EPoint[] offsets;
// Bitmap bmp = TreePack(images, out rects, out offsets);
// bmp.Save(outputFilename);
EPoint[] offsets = new EPoint[filenames.Length];
System.IO.FileInfo[] files = new System.IO.FileInfo[filenames.Length];
PropList originalOrder = new PropList();
for (int i=0; i<filenames.Length; i++)
{
files[i] = new System.IO.FileInfo(filenames[i]);
images[i] = System.Drawing.Bitmap.FromFile(filenames[i]);
EPoint pntMid = new EPoint(images[i].Width, images[i].Height)/2;
EPoint pnt = new EPoint();
images[i] = Endogine.BitmapHelpers.BitmapHelper.TrimWhitespace((Bitmap)images[i], out pnt);
offsets[i] = pntMid - pnt + new EPoint(1,1);
originalOrder.Add(filenames[i], images[i]);
}
Image[] unpacked = null;
int numPixelsMinimum;
Size maxWnH, minWnH;
GetImagesStatistics(images, out numPixelsMinimum, out maxWnH, out minWnH);
if (textureSize.Width == 0 || textureSize.Height == 0)
{
int side = (int)Math.Sqrt(numPixelsMinimum);
int asdas = (int)Math.Ceiling(Math.Log(side, 2));
textureSize = new Size(side,side);
}
if (numPixelsMinimum >= textureSize.Width*textureSize.Height)
throw new Exception("Not enough space to pack in");
images = Endogine.BitmapHelpers.TexturePacking.SortImagesBySize(images);
Random rnd = new Random();
int nNumTries = 1;
for (int i=0; i<nNumTries; i++)
{
//Irritating, but since we can't find index of an item in a standard array...:
ArrayList aImagesNewOrder = new ArrayList();
foreach (Image image in images)
aImagesNewOrder.Add(image);
EPoint[] locsInTexture = null;
Bitmap bmp = Endogine.BitmapHelpers.TexturePacking.TreePack(textureSize, images, out unpacked, out locsInTexture);
int areaExcluded = Endogine.BitmapHelpers.TexturePacking.GetTotalArea(unpacked);
if (unpacked.Length > 0)
throw new Exception("Couldn't fit all images. Total pixels excluded = "+areaExcluded.ToString() + " (side = "+((int)Math.Sqrt(areaExcluded)).ToString()+")");
ArrayList aUnpacked = new ArrayList();
foreach (Image image in unpacked)
aUnpacked.Add(image);
int areaUnused = 0;
foreach (Image image in images)
{
if (!aUnpacked.Contains(image))
areaUnused+=image.Size.Width*image.Size.Height;
}
if (areaUnused > textureSize.Width*textureSize.Height/2)
{
//TODO: we could maybe make the texture at least half as big
}
Node infoNode = new Node();
infoNode = infoNode.CreateChild("Files");
//TODO: go by the list of images that was actually used!
for (int orgIndex = 0; orgIndex<originalOrder.Count; orgIndex++)
{
Image image = (Image)originalOrder.GetByIndex(orgIndex);
if (aUnpacked.Contains(image))
continue;
int newIndex = aImagesNewOrder.IndexOf(image);
//create the file entry (File, Rect, Offset)
ERectangle rctInTexture = new ERectangle(
locsInTexture[newIndex].X, locsInTexture[newIndex].Y, image.Width, image.Height);
Node frameNode = infoNode.CreateChild("File");
//remove extension from filename:
frameNode.Value = files[orgIndex].Name.Substring(0,files[orgIndex].Name.LastIndexOf(files[orgIndex].Extension));
//frameNode.Value = files[orgIndex].Name;
Node subNode = frameNode.CreateChild("Rect");
subNode.Value = rctInTexture.ToString();
subNode = frameNode.CreateChild("Offset");
subNode.Value = offsets[orgIndex].ToString();
}
System.Xml.XmlDocument doc = infoNode.RootNode.CreateXmlDocument();
string sOut = null;
if (nNumTries > 1)
sOut = outputFilename+areaExcluded.ToString()+"-"+i.ToString();
else
sOut = outputFilename;
doc.Save(sOut+".xml");
bmp.Save(sOut+".png");
//randomize order to see if we get better results:
ArrayList aImages = new ArrayList();
for (int j=0; j<images.Length;j++)
aImages.Add(images[j]);
Image[] randomOrder = new Image[images.Length];
for (int j=images.Length-1;j>=0;j--)
{
int pos = 0;
if (j > 0)
pos = Math.Min(rnd.Next(j), j-1);
randomOrder[j] = (Image)aImages[pos];
aImages.RemoveAt(pos);
}
images = randomOrder;
}
}
