public static Bitmap GetToolTip(Bitmap bitmap)
{
var lines = ImageUtil.FindHorizontalLines(bitmap, 260, 650, new int[] { 0, 10, 0, 10, 0, 10 });
lines = lines.OrderBy(l => l.P1.X).ToList();
var groups =
lines.GroupBy(l => l.P1.X).Where(
l =>
l.Last().P1.Y - l.First().P1.Y > 200 &&
l.Count() > 4 &&
GetMaxVerticalDistance(l.ToList()) > 80 &&
l.Count() == l.Where(i => Math.Abs(i.XLength - l.First().XLength) < i.XLength*0.1).Count()).OrderByDescending(
l => l.First().XLength).ThenByDescending(l => l.Count());
int x = groups.Count();
if (groups.Count() > 0)
{
lines = groups.ElementAt(0).ToList();
//Count line clusters
int clusterCount = 0;
int lastY = lines.ElementAt(0).P1.Y;
foreach (var line in lines)
{
if (line.P1.Y - lastY > 5)
clusterCount++;
lastY = line.P1.Y;
}
var min = new Point(bitmap.Width, bitmap.Height);
var max = new Point(0, 0);
foreach (var line in groups.ElementAt(0))
{
if (line.P1.X <= min.X && line.P1.Y <= min.Y)
min = line.P1;
else if (line.P2.X >= max.X && line.P2.Y >= max.Y)
max = line.P2;
}
Bound bound = new Bound(min, max);
if (clusterCount==2)
bound = new Bound(new Point(min.X, min.Y - (int)Math.Round((42/410.0)*(max.X-min.X))), max);
return bitmap.Clone(bound.ToRectangle(), bitmap.PixelFormat);
}
return null;
}
public string ParseMeta()
{
Func<Color, bool> whiteFunc =
c => c.B > 150 && Math.Abs(c.R - c.G) < 8 && Math.Abs(c.R - c.B) < 8;
var bounds = ImageUtil.GetTextLineBounds(Resized,
new Bound(new Point(80, 158 < Resized.Height ? 158 : Resized.Height),
new Point(200, 218 < Resized.Height ? 218 : Resized.Height)),
13,
whiteFunc, 80, 200);
if (bounds.Count != 2)
return "";
List<string> res = new List<string>();
foreach (var bound in bounds)
{
if (bound.Width < 20)
continue;
ImageUtil.DrawBlockBounding(Processed, bound);
var newBound = new Bound(new Point(bound.P1.X - 6, bound.P1.Y - 4),
new Point(bound.P2.X + 4, bound.P2.Y + 4));
var block = Resized.Clone(bound.Expand(3).ToRectangle(), Resized.PixelFormat);
block = ImageUtil.ResizeImage(block, block.Width * 6, block.Height * 6);
string text = Tesseract.GetTextFromBitmap(block, @"-psm 7 nobatch tesseract\d3meta");
text = text.Replace(" ", "").Replace("+", "");
if (text.StartsWith("4-") && text.EndsWith("70"))
text = text.Replace("4-", "").Replace("70", "%");
res.Add(text);
}
return string.Join(",", res.ToArray());
}
public string ParseItemType(out string quality)
{
string itemType = "Unknown";
quality = "Unknown";
try
{
Func<Color, bool> colorFunc =
c =>
ImageUtil.GetGrayValue(c) > 130 && !(Math.Abs(c.R - c.G) < 30 && Math.Abs(c.G - c.B) < 30);
Bound itemTypebound = ImageUtil.GetBlockBounding(Resized,
new Bound(new Point(s(82 / 410.0), s(55 / 410.0)),
new Point(s(270 / 410.0), s(92 / 400.0))),
colorFunc).Expand(6);
if (itemTypebound.Height > s(46 / 400.0))
itemTypebound = new Bound(new Point(itemTypebound.P1.X, itemTypebound.P1.Y),
new Point(itemTypebound.P2.X, itemTypebound.P1.Y + s(30 / 411.0)));
if (itemTypebound.Width < 5)
return itemType;
ImageUtil.DrawBlockBounding(Processed, itemTypebound);
Bitmap itemTypeBlock = Resized.Clone(itemTypebound.ToRectangle(), Resized.PixelFormat);
itemTypeBlock = ImageUtil.ResizeImage(itemTypeBlock, itemTypeBlock.Width * 8, itemTypeBlock.Height * 8);
//itemTypeBlock = ImageUtil.ResizeImage(itemTypeBlock, (int)(80.0 / itemTypeBlock.Height * itemTypeBlock.Width), 80);
string text =
Tesseract.GetTextFromBitmap(ImageUtil.Sharpen(itemTypeBlock)).Replace("\r", "").Replace("\n", " ");
var words = text.Split(new[] { ' ' });
if (words.Length > 1)
{
string qualityString = words[0];
quality =
Data.ItemQualities.OrderByDescending(i => qualityString.DiceCoefficient(i)).FirstOrDefault();
itemType = String.Join(" ", words.Skip(1));
itemType = Data.ItemTypes.OrderByDescending(i => itemType.DiceCoefficient(i)).FirstOrDefault();
return itemType;
}
}
catch { }
return itemType;
}
public static List<Bound> GetTextLineBounds(Bitmap bitmap, Bound bound, int lineHeight, Func<Color, bool> colorFunc, int xScanStart, int xScanEnd)
{
List<Bound> res = new List<Bound>();
for (int y = bound.P1.Y; y < bound.P2.Y; y++)
{
bool found = false;
for (int x = xScanStart; x < xScanEnd; x += 1)
{
Color c = bitmap.GetPixel(x, y);
if (colorFunc(c))
{
found = true;
break;
}
}
if (!found && res.Count > 0 && y - res[res.Count - 1].P2.Y > lineHeight * 2)
break;
if (!found)
continue;
res.Add(GetBlockBounding(bitmap, new Bound(new Point(bound.P1.X, y - 2), new Point(bound.P2.X, y + lineHeight)), colorFunc));
y += lineHeight;
}
return res;
}
public static Bound GetBlockBounding(Bitmap bitmap, Bound bound, Func<Color, bool> func)
{
int xMin = 0;
int yMin = 0;
int xMax = 0;
int yMax = 0;
for (int x = bound.P1.X; x <= bound.P2.X; x++)
{
var range = Enumerable.Range(bound.P1.Y, bound.Height);
var r = range.Where(y => func(bitmap.GetPixel(x, y)));
if (r.Count() > 0)
{
xMin = x;
break;
}
}
for (int x = bound.P2.X; x >= bound.P1.X; x--)
{
var range = Enumerable.Range(bound.P1.Y, bound.Height);
var r = range.Where(y => func(bitmap.GetPixel(x, y)));
if (r.Count() > 0)
{
xMax = x;
break;
}
}
for (int y = bound.P1.Y; y <= bound.P2.Y; y++)
{
var range = Enumerable.Range(bound.P1.X, bound.Width);
var r = range.Where(x => func(bitmap.GetPixel(x, y)));
if (r.Count() > 0)
{
yMin = y;
break;
}
}
for (int y = bound.P2.Y; y >= bound.P1.Y; y--)
{
var range = Enumerable.Range(bound.P1.X, bound.Width);
var r = range.Where(x => func(bitmap.GetPixel(x, y)));
if (r.Count() > 0)
{
yMax = y;
break;
}
}
return new Bound(new Point(xMin, yMin), new Point(xMax, yMax));
}
public static Bound GetBlockBounding(Bitmap bitmap, Bound bound)
{
return GetBlockBounding(bitmap, bound, c => GetGrayValue(c) > 180);
}
public static void DrawBlockBounding(Bitmap bitmap, Bound bound, Color color)
{
using (Graphics g = Graphics.FromImage(bitmap))
{
g.DrawRectangle(new Pen(color), bound.ToRectangle());
}
}
public static void DrawBlockBounding(Bitmap bitmap, Bound bound)
{
DrawBlockBounding(bitmap, bound, Color.Red);
}