public bool TileImages()
{
//this method performs the work of tiling all the images and return true if it succeeds.
List<ImageTileInfo> imageTileInfoList = new List<ImageTileInfo>();
string[] files;
//get all files in directory and add them to imageTileInfoList if images.
try
{
files = Directory.GetFiles(TargetImagesDirectory);
}
catch { return false; }
Parallel.ForEach(files, file =>
{
try
{
ImageTileInfo imageTileInfo = new ImageTileInfo(file);
imageTileInfoList.Add(imageTileInfo);
Bitmap originalBitmap = new Bitmap(imageTileInfo.OriginalFilePath);
string path = OutputImagesDirectory + "\\" + imageTileInfo.originalFileInfo.Name + ".bmp";
imageTileInfo.ResizeImage(originalBitmap, TILE_SIZE).Save(path);
imageTileInfo.OutputFilePath = path;
originalBitmap.Dispose();
}
catch { }
});
int imageCount = imageTileInfoList.Count;
//Sort by name for now
imageTileInfoList = imageTileInfoList.OrderBy(x => x.originalFileInfo.Name).ToList();
//Now combine all images into one.
int columnCount = 0;
int rowCount = 0;
if (imageCount > 0)
{
columnCount = (int)(Math.Sqrt((double)imageCount)) + 1;
int remainder = columnCount * columnCount % imageCount;
if (remainder > columnCount)
rowCount = columnCount - 1;
else
rowCount = columnCount;
}
else
{
return false;
}
Bitmap combinedImage = new Bitmap(columnCount * TILE_SIZE, rowCount * TILE_SIZE);
Graphics gfx = Graphics.FromImage(combinedImage);
int imageCounter = 0;
//Combine images column by column, row by row
for (int row = 0; row < rowCount; row++)
{
for (int column = 0; column < columnCount; column++)
{
if (imageCounter < imageCount)
gfx.DrawImage(new Bitmap(imageTileInfoList[imageCounter].OutputFilePath), new Point(column * TILE_SIZE, row * TILE_SIZE));
//Save a file at each step of the combination
if (developmentMode)
combinedImage.Save(OutputImagesDirectory + "\\" + imageCounter + "Combined.bmp");
imageCounter++;
}
}
combinedImage.Save(OutputImagesDirectory + "\\" + "Combined Image " + imageCount + ".bmp");
//If we have gotten this far, everything worked as it should have
return true;
}
public bool TileImages()
{
//this method performs the work of tiling all the images and return true if it succeeds.
List<ImageTileInfo> imageTileInfoList = new List<ImageTileInfo>();
string[] files;
//get all files in directory and add them to OriginalImageList if images.
try
{
files = Directory.GetFiles(TargetImagesDirectory);
}
catch { return false; }
foreach (string file in files) // possible candidate for task parallel library
{
ImageTileInfo imageTileInfo = new ImageTileInfo(file);
if (imageTileInfo.ReadImageFile())
{
imageTileInfoList.Add(imageTileInfo);
imageTileInfo.ResizeImage(TILE_SIZE);
imageTileInfo.OriginalBitmap = null; // remove reference to potentially large Bitmap object that is no longer needed.
}
}
//dump resized images to files
int imageCount = 0;
foreach (ImageTileInfo iti in imageTileInfoList)
{
string path = OutputImagesDirectory + "\\" + imageCount.ToString() + ".bmp";
iti.ResizedBitmap.Save(path);
iti.OutputFilePath = path;
imageCount++;
// working, save for testing purposes
//iti.ResizedBitmap.Save(OutputImagesDirectory + imageCount.ToString() + ".bmp");
//imageCount++;
}
imageTileInfoList = imageTileInfoList.OrderBy(x => x.originalFileInfo.Name).ToList();
//now combine all images into one.
int columnCount = 0;
int rowCount = 0;
if(imageCount > 0)
{
columnCount = (int)(Math.Sqrt((double)imageCount)) + 1;
int remainder = columnCount * columnCount % imageCount;
if (remainder > columnCount)
rowCount = columnCount - 1;
else
rowCount = columnCount;
}
else
{
return false;
}
Bitmap combinedImage = new Bitmap(columnCount * TILE_SIZE, rowCount * TILE_SIZE);
Graphics gfx = Graphics.FromImage(combinedImage);
int imageCounter = 0;
//combine images row by row
for(int row = 0; row < rowCount; row++)
{
for( int column = 0; column < columnCount; column++)
{
if (imageCounter < imageCount)
gfx.DrawImage(new Bitmap(imageTileInfoList[imageCounter].OutputFilePath), new Point(column * TILE_SIZE, row * TILE_SIZE));
//save a file at each step of the combination
if(developmentMode)
combinedImage.Save(OutputImagesDirectory + "\\" + imageCounter + "Combined.bmp");
imageCounter++;
}
}
combinedImage.Save(OutputImagesDirectory + "\\" + "Combined Image " + imageCount + ".bmp");
//If we have gotten this far, everything worked as it should have
return true;
}