/// <summary>
/// Given a 2D array of segmented bitmaps, this method will stitch all of them together into one super bitmap.
/// </summary>
/// <param name="bitmapCollection">2D Array of segmented bitmaps</param>
public void StitchedBitmap(Bitmap[,] bitmapCollection)
{
// width and height can be calculated ahead of time @bitmapCollection creation
int totalWidth = 0;
int totalHeight = 0;
// GetUpperBound() method is very slow. Call this once outside of loop to save time.
int bitmapCollectionI = bitmapCollection.GetUpperBound(0);
int bitmapCollectionJ = bitmapCollection.GetUpperBound(1);
// loop through collection to find width and height of newly created bitmap
for (int i = 0; i <= bitmapCollectionI; i++)
{
for (int j = 0; j <= bitmapCollectionJ; j++)
{
try
{
// counting width (i)
if (i == 0)
{
totalWidth += bitmapCollection[i, j].Width;
}
// counting height (j)
if (j == 0)
{
totalHeight += bitmapCollection[i, j].Height;
}
}
catch (NullReferenceException nullRefrenceException)
{
Console.WriteLine("Null refrence in bitmap stitching method");
Console.WriteLine(nullRefrenceException.ToString());
}
catch (Exception e) // for generic exceptions
{
Console.WriteLine("Generic exception");
Console.WriteLine(e.ToString());
}
}
}
Debug.WriteLine("BitmapStitchedSize: W:" + totalWidth + " H:" + totalHeight);
Bitmap superBitmap = new Bitmap(totalWidth, totalHeight);
int currentY = 0; // keeps track of y coordinate
int iterates = 0;
// loop for copying micro bitmaps onto super bitmap
// @SOURCE: https://stackoverflow.com/questions/9616617/c-sharp-copy-paste-an-image-region-into-another-image
using (Graphics g = Graphics.FromImage(superBitmap))
{
//g.FillRectangle(new SolidBrush(Color.White), 0, 0, totalWidth, totalHeight);
// copy bitmap collection onto super bitmap
for (int i = 0; i <= bitmapCollectionI; i++)
{
int currentX = 0; // keeps track of x coordinate
for (int j = 0; j <= bitmapCollectionJ; j++)
{
Bitmap sampledBitmap = bitmapCollection[i, j];
g.DrawImage(sampledBitmap, currentX, currentY);
currentX += sampledBitmap.Width;
if (j == bitmapCollectionJ)
{
currentY += sampledBitmap.Height;
Console.WriteLine(currentY);
}
}
currentX = 0;
}
}
GMapOverlay mar = new GMapOverlay("m");
GMapMarker m = new GMarkerGoogle(new PointLatLng(48.8617774, 2.349272), new Bitmap(@"C:\Users\Dev\Desktop\gtr.jpg"));
mar.Markers.Add(m);
gmap.Overlays.Add(mar);
// casting superbitmap to a image for saving on disk
Image superImage = (Image)superBitmap;
try
{
superImage.Save(@"C:\Users\Dev\Desktop\432.png");
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}