private static RectCollection buildBoxes(Bitmap bitmap)
{
List<CRectangle> rt = new List<CRectangle>();
UnsafeBitmap bmp = new UnsafeBitmap(bitmap);
bmp.LockBitmap();
var gapHeight = 40;
for (int y = 0; y < bitmap.Height; y++)
{
List<CRectangle> rtc = new List<CRectangle>();
foreach (var r in rt)
{
if (r.Y + r.Height + gapHeight + 1 >= y)
{
rtc.Add(r);
}
}
for (int x = 0; x < bitmap.Width; x++)
{
var pix = bmp.GetPixel(x, y);
if (!(pix.red == 255 && pix.green == 255 && pix.blue == 255))
{
List<CRectangle> ins = new List<CRectangle>();
if (rtc.Count > 1)
{
}
foreach (var rectangle in rtc)
{
if (rectangle.ShouldContain(x, y))
{
if (rectangle.Contains(x, y))
{
ins.Add(rectangle);
// Console.WriteLine($"rt: {rt.Count} rtc:{rtc.Count} contians");
}
else if (rectangle.Contains(x, y - 1))
{
ins.Add(rectangle);
rectangle.Height = rectangle.Height + 1;
// Console.WriteLine($"rt: {rt.Count} rtc:{rtc.Count} height");
}
else if (rectangle.Contains(x - 1, y))
{
ins.Add(rectangle);
rectangle.Width = rectangle.Width + 1;
// Console.WriteLine($"rt: {rt.Count} rtc:{rtc.Count} width");
}
}
}
if (ins.Count == 0)
{
var cRectangle = new CRectangle(x, y, gapHeight * 5, gapHeight);
rt.Add(cRectangle);
rtc.Add(cRectangle);
// Console.WriteLine($"rt: {rt.Count} rtc:{rtc.Count} new");
}
if (ins.Count > 1)
{
var ba = ins[0];
for (int index = ins.Count - 1; index >= 0; index--)
{
ba = CRectangle.Union(ba, ins[index]);
rt.Remove(ins[index]);
rtc.Remove(ins[index]);
}
rt.Add(ba);
rtc.Add(ba);
// Console.WriteLine($"rt: {rt.Count} rtc:{rtc.Count} union");
}
}
}
}
Console.WriteLine($"{rt.Count} boxes");
bmp.Dispose();
byte[] bytes = new byte[10000000];
bytes[0] = 0xff;
RectCollection col = new RectCollection();
for (int index = 0; index < rt.Count; index++)
{
var cRectangle = rt[index];
var dc = CopyImage(bitmap, cRectangle);
col.Rectangles.Add(new RectObject()
{
X = cRectangle.X,
Y = cRectangle.Y,
Width = cRectangle.Width,
Height = cRectangle.Height,
Index = index,
Bitmap = dc
});
}
return col;
/*
Bitmap done = new Bitmap(bitmap.Width, bitmap.Height);
var random = new Random();
using (Graphics g = Graphics.FromImage(done))
{
foreach (var rectangle in rt)
{
g.FillRectangle(new SolidBrush(Color.FromArgb(random.Next(0, 255), random.Next(0, 255), random.Next(0, 255))),
rectangle.X, rectangle.Y, rectangle.Width, rectangle.Height);
}
}
return done;
*/
}
public static CRectangle Union(CRectangle a, CRectangle b)
{
int x1 = Math.Min(a.X, b.X);
int x2 = Math.Max(a.X + a.Width, b.X + b.Width);
int y1 = Math.Min(a.Y, b.Y);
int y2 = Math.Max(a.Y + a.Height, b.Y + b.Height);
return new CRectangle(x1, y1, x2 - x1, y2 - y1);
}
public static Bitmap CopyImage(Bitmap srcBitmap, CRectangle section)
{
// Create the new bitmap and associated graphics object
Bitmap bmp = new Bitmap(section.Width, section.Height);
Graphics g = Graphics.FromImage(bmp);
g.DrawImage(srcBitmap, new Rectangle(0, 0, section.Width, section.Height), new Rectangle(section.X, section.Y, section.Width, section.Height), GraphicsUnit.Pixel);
// Clean up
g.Dispose();
// Return the bitmap
return bmp;
}
