public int FindExactMatchExpanded(BinaryOcrBitmap bob)
{
for (int i = 0; i < CompareImagesExpanded.Count; i++)
{
var b = CompareImagesExpanded[i];
if (bob.Hash == b.Hash &&
bob.Width == b.Width &&
bob.Height == b.Height &&
bob.NumberOfColoredPixels == b.NumberOfColoredPixels &&
bob.ExpandCount == b.ExpandCount &&
bob.AreColorsEqual(b))
{
bool ok = true;
for (int k = 0; k < b.ExpandedList.Count; k++)
{
if (bob.ExpandedList[k].Hash != b.ExpandedList[k].Hash ||
!bob.ExpandedList[k].AreColorsEqual(b.ExpandedList[k])) // expanded images
{
ok = false;
}
}
if (ok)
{
return(i);
}
}
}
return(-1);
}
public int Add(BinaryOcrBitmap bob)
{
int index;
if (bob.ExpandCount > 0)
{
if (bob.ExpandedList == null || bob.ExpandCount - 1 != bob.ExpandedList.Count)
{
throw new Exception("BinaryOcrDb.Add: There should be " + (bob.ExpandCount - 1) + " sub image(s)");
}
if (bob.ExpandedList[0].Text != null)
{
throw new Exception("BinaryOcrDb.Add: sub image should have null text");
}
index = FindExactMatchExpanded(bob);
if (index == -1 || CompareImagesExpanded[index].ExpandCount != bob.ExpandCount)
{
CompareImagesExpanded.Add(bob);
}
else
{
bool allAlike = true;
for (int i = 0; i < bob.ExpandCount - 1; i++)
{
if (bob.ExpandedList[i].Hash != CompareImagesExpanded[index].ExpandedList[i].Hash)
{
allAlike = false;
}
if (bob.ExpandedList[i].Text != null)
{
throw new Exception("BinaryOcrDb.Add: sub image should have null text");
}
}
if (!allAlike)
{
CompareImagesExpanded.Add(bob);
}
else
{
throw new Exception("BinaryOcrDb.Add: Expanded image already in db!");
}
}
}
else
{
index = FindExactMatch(bob);
if (index == -1)
{
CompareImages.Add(bob);
}
else
{
throw new Exception("BinaryOcrDb.Add: Image already in db!");
}
}
return(index);
}
internal static int IsBitmapsAlike(NikseBitmap bmp1, Ocr.Binary.BinaryOcrBitmap bmp2)
{
int different = 0;
int maxDiff = bmp1.Width * bmp1.Height / 5;
int w4 = bmp1.Width * 4;
for (int y = 1; y < bmp1.Height; y++)
{
var alpha = y * w4 + 7;
var pixel = y * bmp2.Width + 1;
for (int x = 1; x < bmp1.Width; x++)
{
if (bmp1.GetAlpha(alpha) < 100 && bmp2.GetPixel(pixel) > 0)
{
different++;
}
pixel++;
alpha += 4;
}
if (different > maxDiff)
{
return(different + 10);
}
}
return(different);
}
public int Add(BinaryOcrBitmap bob)
{
int index;
if (bob.ExpandCount > 0)
{
index = FindExactMatchExpanded(bob);
if (index == -1 || CompareImagesExpanded[index].ExpandCount != bob.ExpandCount)
{
CompareImagesExpanded.Add(bob);
}
else
{
bool allAlike = true;
for (int i = 0; i < bob.ExpandCount - 1; i++)
{
if (bob.ExpandedList[i].Hash != CompareImagesExpanded[index].ExpandedList[i].Hash)
allAlike = false;
}
if (!allAlike)
CompareImages.Add(bob);
else
System.Windows.Forms.MessageBox.Show("Expanded image already in db!");
}
}
else
{
index = FindExactMatch(bob);
if (index == -1)
CompareImages.Add(bob);
else
System.Windows.Forms.MessageBox.Show("Image already in db!");
}
return index;
}
public static bool AllowEqual(BinaryOcrBitmap match, BinaryOcrBitmap newBob)
{
if (match.Text != null && (match.Text == "," || match.Text == "'") &&
Math.Abs(match.Y - newBob.Y) > MaxCommaQuoteTopDiff)
{
return(false);
}
return(true);
}
public static bool AllowEqual(BinaryOcrBitmap match, BinaryOcrBitmap newBob)
{
if (match.Text != null && (match.Text == "," || match.Text == "'") &&
Math.Min(match.Y, newBob.Y) < MinYDiffPair && Math.Max(match.Y, newBob.Y) > MaxYDiffPair)
{
return(false);
}
return(true);
}
public void TestMethodBinOcrSaveLoad()
{
string tempFileName = Path.GetTempFileName();
var db = new BinaryOcrDb(tempFileName);
var nbmp = new NikseBitmap(2, 2);
nbmp.SetPixel(0, 0, Color.Transparent);
nbmp.SetPixel(1, 0, Color.Transparent);
nbmp.SetPixel(1, 0, Color.Transparent);
nbmp.SetPixel(1, 1, Color.White);
var bob = new BinaryOcrBitmap(nbmp);
bob.Text = "Debug";
db.Add(bob);
nbmp.SetPixel(0, 0, Color.White);
var bob2 = new BinaryOcrBitmap(nbmp);
bob2.X = 2;
bob2.Y = 4;
bob2.Text = "tt";
bob2.Italic = true;
bob2.ExpandCount = 2;
bob2.ExpandedList = new System.Collections.Generic.List<BinaryOcrBitmap>();
bob2.ExpandedList.Add(bob2);
db.Add(bob2);
db.Save();
db = new BinaryOcrDb(tempFileName, true);
Assert.IsTrue(db.CompareImages.Count == 1);
Assert.IsTrue(db.CompareImagesExpanded.Count == 1);
Assert.IsTrue(bob.Width == db.CompareImages[0].Width);
Assert.IsTrue(bob.Height == db.CompareImages[0].Height);
Assert.IsTrue(bob.NumberOfColoredPixels == db.CompareImages[0].NumberOfColoredPixels);
Assert.IsTrue(bob.Hash == db.CompareImages[0].Hash);
Assert.IsTrue(bob.Italic == db.CompareImages[0].Italic);
Assert.IsTrue(bob.ExpandCount == db.CompareImages[0].ExpandCount);
Assert.IsTrue(bob.Text == db.CompareImages[0].Text);
Assert.IsTrue(bob2.Width == db.CompareImagesExpanded[0].Width);
Assert.IsTrue(bob2.Height == db.CompareImagesExpanded[0].Height);
Assert.IsTrue(bob2.NumberOfColoredPixels == db.CompareImagesExpanded[0].NumberOfColoredPixels);
Assert.IsTrue(bob2.Hash == db.CompareImagesExpanded[0].Hash);
Assert.IsTrue(bob2.Italic == db.CompareImagesExpanded[0].Italic);
Assert.IsTrue(bob2.ExpandCount == db.CompareImagesExpanded[0].ExpandCount);
Assert.IsTrue(bob2.Text == db.CompareImagesExpanded[0].Text);
Assert.IsTrue(bob2.X == db.CompareImagesExpanded[0].X);
Assert.IsTrue(bob2.Y == db.CompareImagesExpanded[0].Y);
try
{
File.Delete(tempFileName);
}
catch
{
}
}
private void AddToListView(BinaryOcrBitmap bob)
{
_data.Add(new ListViewData { Checked = true, BinaryOcrBitmap = bob });
var item = new ListViewItem(string.Empty) { Tag = bob, Checked = true };
item.SubItems.Add(bob.ToString());
listView1.Items.Add(item);
imageList1.Images.Add(bob.ToOldBitmap(Color.Black));
item.ImageIndex = imageList1.Images.Count - 1;
}
public int FindExactMatch(BinaryOcrBitmap bob)
{
for (int i = 0; i < CompareImages.Count; i++)
{
var b = CompareImages[i];
if (bob.Hash == b.Hash && bob.Width == b.Width && bob.Height == b.Height && bob.NumberOfColoredPixels == b.NumberOfColoredPixels)
return i;
}
return -1;
}
public void LoadCompareImages()
{
var list = new List <BinaryOcrBitmap>();
var expandList = new List <BinaryOcrBitmap>();
if (!File.Exists(FileName))
{
CompareImages = list;
return;
}
using (Stream gz = new GZipStream(File.OpenRead(FileName), CompressionMode.Decompress))
{
bool done = false;
while (!done)
{
var bob = new BinaryOcrBitmap(gz);
if (bob.LoadedOk)
{
if (bob.ExpandCount > 0)
{
expandList.Add(bob);
bob.ExpandedList = new List <BinaryOcrBitmap>();
for (int i = 1; i < bob.ExpandCount; i++)
{
var expandedBob = new BinaryOcrBitmap(gz);
if (expandedBob.LoadedOk)
{
if (expandedBob.Text != null)
{
throw new Exception("BinaryOcrDb.LoadCompareImages: sub image should have null text");
}
bob.ExpandedList.Add(expandedBob);
}
else
{
break;
}
}
}
else
{
list.Add(bob);
}
}
else
{
done = true;
}
}
}
CompareImages = list;
CompareImagesExpanded = expandList;
}
public int FindExactMatch(BinaryOcrBitmap bob)
{
for (int i = 0; i < CompareImages.Count; i++)
{
var b = CompareImages[i];
if (bob.Hash == b.Hash && bob.Width == b.Width && bob.Height == b.Height && bob.NumberOfColoredPixels == b.NumberOfColoredPixels)
{
return(i);
}
}
return(-1);
}
public void LoadCompareImages()
{
var list = new List<BinaryOcrBitmap>();
var expandList = new List<BinaryOcrBitmap>();
if (!File.Exists(FileName))
{
CompareImages = list;
return;
}
using (Stream gz = new GZipStream(File.OpenRead(FileName), CompressionMode.Decompress))
{
bool done = false;
while (!done)
{
var bob = new BinaryOcrBitmap(gz);
if (bob.LoadedOk)
{
if (bob.ExpandCount > 0)
{
expandList.Add(bob);
bob.ExpandedList = new List<BinaryOcrBitmap>();
for (int i = 1; i < bob.ExpandCount; i++)
{
var expandedBob = new BinaryOcrBitmap(gz);
if (expandedBob.LoadedOk)
{
if (expandedBob.Text != null)
throw new Exception("BinaryOcrDb.LoadCompareImages: sub image should have null text");
bob.ExpandedList.Add(expandedBob);
}
else
break;
}
}
else
{
list.Add(bob);
}
}
else
{
done = true;
}
}
}
CompareImages = list;
CompareImagesExpanded = expandList;
}
public bool AreColorsEqual(BinaryOcrBitmap other)
{
if (_colors.Length != other._colors.Length)
{
return(false);
}
for (int i = 0; i < _colors.Length; i++)
{
if (_colors[i] != other._colors[i])
{
return(false);
}
}
return(true);
}
public int Add(BinaryOcrBitmap bob)
{
int index;
if (bob.ExpandCount > 0)
{
index = FindExactMatchExpanded(bob);
if (index == -1 || CompareImagesExpanded[index].ExpandCount != bob.ExpandCount)
{
CompareImagesExpanded.Add(bob);
}
else
{
bool allAlike = true;
for (int i = 0; i < bob.ExpandCount - 1; i++)
{
if (bob.ExpandedList[i].Hash != CompareImagesExpanded[index].ExpandedList[i].Hash)
{
allAlike = false;
}
}
if (!allAlike)
{
CompareImages.Add(bob);
}
else
{
System.Windows.Forms.MessageBox.Show("Expanded image already in db!");
}
}
}
else
{
index = FindExactMatch(bob);
if (index == -1)
{
CompareImages.Add(bob);
}
else
{
System.Windows.Forms.MessageBox.Show("Image already in db!");
}
}
return(index);
}
public void TestMethodBinOcrSaveLoadTestExceptions()
{
string tempFileName = Path.GetTempFileName();
var db = new BinaryOcrDb(tempFileName);
var nbmp = new NikseBitmap(2, 2);
nbmp.SetPixel(0, 0, Color.Transparent);
nbmp.SetPixel(1, 0, Color.Transparent);
nbmp.SetPixel(1, 0, Color.Transparent);
nbmp.SetPixel(1, 1, Color.White);
var bob = new BinaryOcrBitmap(nbmp);
bob.Text = "S";
db.Add(bob);
nbmp.SetPixel(0, 0, Color.White);
var bob2 = new BinaryOcrBitmap(nbmp);
bob2.X = 2;
bob2.Y = 4;
bob2.Text = null;
bob2.Italic = true;
bob2.ExpandCount = 3;
bob2.ExpandedList = new System.Collections.Generic.List<BinaryOcrBitmap>();
bob2.ExpandedList.Add(bob2);
try
{
db.Add(bob2);
}
catch
{
return;
}
Assert.Fail();
try
{
File.Delete(tempFileName);
}
catch
{
}
}
internal static int IsBitmapsAlike(NikseBitmap bmp1, Ocr.Binary.BinaryOcrBitmap bmp2)
{
int different = 0;
int maxDiff = bmp1.Width * bmp1.Height / 5;
for (int x = 1; x < bmp1.Width; x++)
{
for (int y = 1; y < bmp1.Height; y++)
{
if (bmp1.GetAlpha(x, y) < 100 && bmp2.GetPixel(x, y) > 0)
{
different++;
}
}
if (different > maxDiff)
{
return(different + 10);
}
}
return(different);
}
internal static int IsBitmapsAlike(Ocr.Binary.BinaryOcrBitmap bmp1, NikseBitmap bmp2)
{
int different = 0;
int maxDiff = bmp1.Width * bmp1.Height / 5;
for (int x = 0; x < bmp1.Width; x++)
{
for (int y = 0; y < bmp1.Height; y++)
{
//if (!IsColorClose(bmp1.GetPixel(x, y), bmp2.GetPixel(x, y), 20))
if (bmp1.GetPixel(x, y) > 0 && bmp2.GetAlpha(x, y) < 100)
{
different++;
}
}
if (different > maxDiff)
{
return(different + 10);
}
}
return(different);
}
internal static int IsBitmapsAlike(Ocr.Binary.BinaryOcrBitmap bmp1, Ocr.Binary.BinaryOcrBitmap bmp2)
{
int different = 0;
int maxDiff = bmp1.Width * bmp1.Height / 5;
for (int y = 0; y < bmp1.Height; y++)
{
var pixel = y * bmp1.Width;
for (int x = 0; x < bmp1.Width; x++)
{
if (bmp1.GetPixel(pixel) != bmp2.GetPixel(pixel))
{
different++;
}
pixel++;
}
if (different > maxDiff)
{
return different + 10;
}
}
return different;
}
private static void FindBestMatchNew(ref int index, ref int smallestDifference, ref int smallestIndex, NikseBitmap target, BinaryOcrDb binOcrDb, BinaryOcrBitmap bob, double maxDiff)
{
var bobExactMatch = binOcrDb.FindExactMatch(bob);
if (bobExactMatch >= 0)
{
index = bobExactMatch;
smallestDifference = 0;
smallestIndex = bobExactMatch;
return;
}
if (maxDiff < 0.2 || target.Width < 3 || target.Height < 5)
return;
int numberOfForegroundColors = bob.NumberOfColoredPixels;
const int minForeColorMatch = 90;
index = 0;
foreach (var compareItem in binOcrDb.CompareImages)
{
if (compareItem.Width == target.Width && compareItem.Height == target.Height) // precise math in size
{
if (Math.Abs(compareItem.NumberOfColoredPixels - numberOfForegroundColors) < 3)
{
int dif = NikseBitmapImageSplitter.IsBitmapsAlike(compareItem, target);
if (dif < smallestDifference)
{
smallestDifference = dif;
smallestIndex = index;
if (dif < 3)
{
break; // foreach ending
}
}
}
}
index++;
}
if (smallestDifference > 1)
{
index = 0;
foreach (var compareItem in binOcrDb.CompareImages)
{
if (compareItem.Width == target.Width && compareItem.Height == target.Height) // precise math in size
{
if (Math.Abs(compareItem.NumberOfColoredPixels - numberOfForegroundColors) < 40)
{
int dif = NikseBitmapImageSplitter.IsBitmapsAlike(compareItem, target);
if (dif < smallestDifference)
{
smallestDifference = dif;
smallestIndex = index;
if (dif == 0)
{
break; // foreach ending
}
}
}
}
index++;
}
}
if (target.Width > 16 && target.Height > 16 && smallestDifference > 2) // for other than very narrow letter (like 'i' and 'l' and 'I'), try more sizes
{
index = 0;
foreach (var compareItem in binOcrDb.CompareImages)
{
if (compareItem.Width == target.Width && compareItem.Height == target.Height - 1)
{
if (Math.Abs(compareItem.NumberOfColoredPixels - numberOfForegroundColors) < minForeColorMatch)
{
int dif = NikseBitmapImageSplitter.IsBitmapsAlike(compareItem, target);
if (dif < smallestDifference)
{
smallestDifference = dif;
smallestIndex = index;
if (dif == 0)
break; // foreach ending
}
}
}
index++;
}
if (smallestDifference > 2)
{
index = 0;
foreach (var compareItem in binOcrDb.CompareImages)
{
if (compareItem.Width == target.Width && compareItem.Height == target.Height + 1)
{
if (Math.Abs(compareItem.NumberOfColoredPixels - numberOfForegroundColors) < minForeColorMatch)
{
int dif = NikseBitmapImageSplitter.IsBitmapsAlike(target, compareItem);
if (dif < smallestDifference)
{
smallestDifference = dif;
smallestIndex = index;
if (dif == 0)
break; // foreach ending
}
}
}
index++;
}
}
if (smallestDifference > 3)
{
index = 0;
foreach (var compareItem in binOcrDb.CompareImages)
{
if (compareItem.Width == target.Width + 1 && compareItem.Height == target.Height + 1)
{
if (Math.Abs(compareItem.NumberOfColoredPixels - numberOfForegroundColors) < minForeColorMatch)
{
int dif = NikseBitmapImageSplitter.IsBitmapsAlike(target, compareItem);
if (dif < smallestDifference)
{
smallestDifference = dif;
smallestIndex = index;
if (dif == 0)
break; // foreach ending
}
}
}
index++;
}
}
if (smallestDifference > 5)
{
index = 0;
foreach (var compareItem in binOcrDb.CompareImages)
{
if (compareItem.Width == target.Width - 1 && compareItem.Height == target.Height - 1)
{
if (Math.Abs(compareItem.NumberOfColoredPixels - numberOfForegroundColors) < minForeColorMatch)
{
int dif = NikseBitmapImageSplitter.IsBitmapsAlike(compareItem, target);
if (dif < smallestDifference)
{
smallestDifference = dif;
smallestIndex = index;
if (dif == 0)
break; // foreach ending
}
}
}
index++;
}
}
if (smallestDifference > 5)
{
index = 0;
foreach (var compareItem in binOcrDb.CompareImages)
{
if (compareItem.Width - 1 == target.Width && compareItem.Height == target.Height)
{
if (Math.Abs(compareItem.NumberOfColoredPixels - numberOfForegroundColors) < minForeColorMatch)
{
int dif = NikseBitmapImageSplitter.IsBitmapsAlike(target, compareItem);
if (dif < smallestDifference)
{
smallestDifference = dif;
smallestIndex = index;
if (dif == 0)
break; // foreach ending
}
}
}
index++;
}
}
if (smallestDifference > 9 && target.Width > 11)
{
index = 0;
foreach (var compareItem in binOcrDb.CompareImages)
{
if (compareItem.Width == target.Width - 2 && compareItem.Height == target.Height)
{
if (Math.Abs(compareItem.NumberOfColoredPixels - numberOfForegroundColors) < minForeColorMatch)
{
int dif = NikseBitmapImageSplitter.IsBitmapsAlike(compareItem, target);
if (dif < smallestDifference)
{
smallestDifference = dif;
smallestIndex = index;
if (dif == 0)
break; // foreach ending
}
}
}
index++;
}
}
if (smallestDifference > 9 && target.Width > 14)
{
index = 0;
foreach (var compareItem in binOcrDb.CompareImages)
{
if (compareItem.Width == target.Width - 3 && compareItem.Height == target.Height)
{
if (Math.Abs(compareItem.NumberOfColoredPixels - numberOfForegroundColors) < minForeColorMatch)
{
int dif = NikseBitmapImageSplitter.IsBitmapsAlike(compareItem, target);
if (dif < smallestDifference)
{
smallestDifference = dif;
smallestIndex = index;
if (dif == 0)
break; // foreach ending
}
}
}
index++;
}
}
if (smallestDifference > 9 && target.Width > 14)
{
index = 0;
foreach (var compareItem in binOcrDb.CompareImages)
{
if (compareItem.Width == target.Width && compareItem.Height == target.Height - 3)
{
if (Math.Abs(compareItem.NumberOfColoredPixels - numberOfForegroundColors) < minForeColorMatch)
{
int dif = NikseBitmapImageSplitter.IsBitmapsAlike(compareItem, target);
if (dif < smallestDifference)
{
smallestDifference = dif;
smallestIndex = index;
if (dif == 0)
break; // foreach ending
}
}
}
index++;
}
}
if (smallestDifference > 9 && target.Width > 14)
{
index = 0;
foreach (var compareItem in binOcrDb.CompareImages)
{
if (compareItem.Width - 2 == target.Width && compareItem.Height == target.Height)
{
if (Math.Abs(compareItem.NumberOfColoredPixels - numberOfForegroundColors) < minForeColorMatch)
{
int dif = NikseBitmapImageSplitter.IsBitmapsAlike(target, compareItem);
if (dif < smallestDifference)
{
smallestDifference = dif;
smallestIndex = index;
if (dif == 0)
break; // foreach ending
}
}
}
index++;
}
}
}
if (smallestDifference == 0)
{
if (smallestIndex > 200)
{
var hit = binOcrDb.CompareImages[smallestIndex];
binOcrDb.CompareImages.RemoveAt(smallestIndex);
binOcrDb.CompareImages.Insert(0, hit);
smallestIndex = 0;
index = 0;
}
}
}
private CompareMatch GetCompareMatchNew(ImageSplitterItem targetItem, out CompareMatch secondBestGuess, List<ImageSplitterItem> list, int listIndex)
{
double maxDiff = _numericUpDownMaxErrorPct;
secondBestGuess = null;
int index = 0;
int smallestDifference = 10000;
int smallestIndex = -1;
var target = targetItem.NikseBitmap;
if (_binaryOcrDb == null)
{
return null;
}
var bob = new BinaryOcrBitmap(target) { X = targetItem.X, Y = targetItem.Top };
for (int k = 0; k < _binaryOcrDb.CompareImagesExpanded.Count; k++)
{
var b = _binaryOcrDb.CompareImagesExpanded[k];
if ((bob.Hash == b.Hash && bob.Width == b.Width && bob.Height == b.Height && bob.NumberOfColoredPixels == b.NumberOfColoredPixels) || GetPixelDifPercentage(b, bob, target) <= maxDiff)
{
bool ok = false;
for (int i = 0; i < b.ExpandedList.Count; i++)
{
if (listIndex + i + 1 < list.Count && list[listIndex + i + 1].NikseBitmap != null)
{
var bobNext = new BinaryOcrBitmap(list[listIndex + i + 1].NikseBitmap);
if (b.ExpandedList[i].Hash == bobNext.Hash)
{
ok = true;
}
else if (GetPixelDifPercentage(b.ExpandedList[i], bobNext, list[listIndex + i + 1].NikseBitmap) <= maxDiff)
{
ok = true;
}
else
{
ok = false;
break;
}
}
}
if (ok)
{
return new CompareMatch(b.Text, b.Italic, b.ExpandCount, b.Key);
}
}
}
FindBestMatchNew(ref index, ref smallestDifference, ref smallestIndex, target, _binaryOcrDb, bob, maxDiff);
if (maxDiff > 0)
{
if (target.Width > 16 && target.Height > 16 && (smallestIndex == -1 || smallestDifference * 100.0 / (target.Width * target.Height) > maxDiff))
{
var t2 = target.CopyRectangle(new Rectangle(0, 1, target.Width, target.Height - 1));
FindBestMatchNew(ref index, ref smallestDifference, ref smallestIndex, t2, _binaryOcrDb, bob, maxDiff);
}
if (target.Width > 16 && target.Height > 16 && (smallestIndex == -1 || smallestDifference * 100.0 / (target.Width * target.Height) > maxDiff))
{
var t2 = target.CopyRectangle(new Rectangle(1, 0, target.Width - 1, target.Height));
FindBestMatchNew(ref index, ref smallestDifference, ref smallestIndex, t2, _binaryOcrDb, bob, maxDiff);
}
if (target.Width > 16 && target.Height > 16 && (smallestIndex == -1 || smallestDifference * 100.0 / (target.Width * target.Height) > maxDiff))
{
var t2 = target.CopyRectangle(new Rectangle(0, 0, target.Width - 1, target.Height));
FindBestMatchNew(ref index, ref smallestDifference, ref smallestIndex, t2, _binaryOcrDb, bob, maxDiff);
}
}
if (smallestIndex >= 0)
{
double differencePercentage = smallestDifference * 100.0 / (target.Width * target.Height);
if (differencePercentage <= maxDiff)
{
var hit = _binaryOcrDb.CompareImages[smallestIndex];
string text = hit.Text;
if (smallestDifference > 0)
{
int h = hit.Height;
if (text == "V" || text == "W" || text == "U" || text == "S" || text == "Z" || text == "O" || text == "X" || text == "Ø" || text == "C")
{
if (_binOcrLastLowercaseHeight > 3 && h - _binOcrLastLowercaseHeight < 2)
text = text.ToLower();
}
else if (text == "v" || text == "w" || text == "u" || text == "s" || text == "z" || text == "o" || text == "x" || text == "ø" || text == "c")
{
if (_binOcrLastUppercaseHeight > 3 && _binOcrLastUppercaseHeight - h < 2)
text = text.ToUpper();
}
}
else
{
SetBinOcrLowercaseUppercase(hit.Height, text);
}
if (differencePercentage > 0)
{
bool dummy;
if ((hit.Text == "l" || hit.Text == "!") && bob.IsLowercaseI(out dummy))
{
hit = null;
}
else if ((hit.Text == "i" || hit.Text == "!") && bob.IsLowercaseL())
{
hit = null;
}
else if ((hit.Text == "o" || hit.Text == "O") && bob.IsC())
{
return new CompareMatch(hit.Text == "o" ? "c" : "C", false, 0, null);
}
else if ((hit.Text == "c" || hit.Text == "C") && !bob.IsC() && bob.IsO())
{
return new CompareMatch(hit.Text == "c" ? "o" : "O", false, 0, null);
}
}
if (hit != null)
{
if (_binOcrLastLowercaseHeight < 0 && differencePercentage < 9 && (text == "e" || text == "d" || text == "a"))
_binOcrLastLowercaseHeight = bob.Height;
return new CompareMatch(text, hit.Italic, hit.ExpandCount, hit.Key);
}
}
var guess = _binaryOcrDb.CompareImages[smallestIndex];
secondBestGuess = new CompareMatch(guess.Text, guess.Italic, guess.ExpandCount, guess.Key);
}
if (bob.IsPeriod())
{
return new CompareMatch(".", false, 0, null);
}
if (bob.IsComma())
{
return new CompareMatch(",", false, 0, null);
}
if (maxDiff > 0 && bob.IsApostrophe())
{
return new CompareMatch("'", false, 0, null);
}
if (bob.IsLowercaseJ()) // "j" detection must be before "i"
{
return new CompareMatch("j", false, 0, null);
}
bool italicLowercaseI;
if (bob.IsLowercaseI(out italicLowercaseI))
{
return new CompareMatch("i", italicLowercaseI, 0, null);
}
if (bob.IsColon())
{
return new CompareMatch(":", false, 0, null);
}
if (bob.IsExclamationMark())
{
return new CompareMatch("!", false, 0, null);
}
if (bob.IsDash())
{
return new CompareMatch("-", false, 0, null);
}
return null;
}
private void listBoxInspectItems_SelectedIndexChanged(object sender, EventArgs e)
{
labelImageInfo.Text = string.Empty;
labelExpandCount.Text = string.Empty;
if (listBoxInspectItems.SelectedIndex < 0)
return;
_selectedCompareNode = null;
_selectedCompareBinaryOcrBitmap = null;
pictureBoxInspectItem.Image = _imageSources[listBoxInspectItems.SelectedIndex];
pictureBoxCompareBitmap.Image = null;
pictureBoxCompareBitmapDouble.Image = null;
int index = (listBoxInspectItems.SelectedIndex);
var match = _matches[index];
_selectedMatch = match;
if (!string.IsNullOrEmpty(match.Name))
{
if (_binOcrDb != null)
{
bool bobFound = false;
foreach (BinaryOcrBitmap bob in _binOcrDb.CompareImages)
{
if (match.Name == bob.Key)
{
textBoxText.Text = bob.Text;
checkBoxItalic.Checked = bob.Italic;
_selectedCompareBinaryOcrBitmap = bob;
var bitmap = bob.ToOldBitmap();
pictureBoxCompareBitmap.Image = bitmap;
pictureBoxCompareBitmapDouble.Width = bitmap.Width * 2;
pictureBoxCompareBitmapDouble.Height = bitmap.Height * 2;
pictureBoxCompareBitmapDouble.Image = bitmap;
var matchBob = new BinaryOcrBitmap(new NikseBitmap(_imageSources[listBoxInspectItems.SelectedIndex]));
if (matchBob.Hash == bob.Hash && matchBob.Width == bob.Width && matchBob.Height == bob.Height && matchBob.NumberOfColoredPixels == bob.NumberOfColoredPixels)
{
buttonAddBetterMatch.Enabled = false; // exact match
}
else
{
buttonAddBetterMatch.Enabled = true;
}
bobFound = true;
break;
}
}
if (!bobFound)
{
foreach (BinaryOcrBitmap bob in _binOcrDb.CompareImagesExpanded)
{
if (match.Name == bob.Key)
{
textBoxText.Text = bob.Text;
checkBoxItalic.Checked = bob.Italic;
_selectedCompareBinaryOcrBitmap = bob;
var bitmap = bob.ToOldBitmap();
pictureBoxCompareBitmap.Image = bitmap;
pictureBoxCompareBitmapDouble.Width = bitmap.Width * 2;
pictureBoxCompareBitmapDouble.Height = bitmap.Height * 2;
pictureBoxCompareBitmapDouble.Image = bitmap;
buttonAddBetterMatch.Enabled = false; // exact match
labelExpandCount.Text = string.Format("Expand count: {0}", bob.ExpandCount);
break;
}
}
}
}
else
{
foreach (XmlNode node in ImageCompareDocument.DocumentElement.ChildNodes)
{
if (node.Attributes["Text"] != null && node.InnerText == match.Name)
{
string text = node.Attributes["Text"].InnerText;
textBoxText.Text = text;
checkBoxItalic.Checked = node.Attributes["Italic"] != null;
string databaseName = Path.Combine(_directoryPath, "Images.db");
using (var f = new FileStream(databaseName, FileMode.Open))
{
try
{
string name = node.InnerText;
int pos = Convert.ToInt32(name);
f.Position = pos;
var mbmp = new ManagedBitmap(f);
var bitmap = mbmp.ToOldBitmap();
pictureBoxCompareBitmap.Image = bitmap;
pictureBoxCompareBitmapDouble.Width = bitmap.Width * 2;
pictureBoxCompareBitmapDouble.Height = bitmap.Height * 2;
pictureBoxCompareBitmapDouble.Image = bitmap;
labelImageInfo.Text = string.Format(Configuration.Settings.Language.VobSubEditCharacters.Image + " - {0}x{1}", bitmap.Width, bitmap.Height);
}
catch (Exception exception)
{
labelImageInfo.Text = Configuration.Settings.Language.VobSubEditCharacters.Image;
MessageBox.Show(exception.Message);
}
}
_selectedCompareNode = node;
break;
}
}
}
}
buttonAddBetterMatch.Text = Configuration.Settings.Language.VobSubOcrCharacterInspect.AddBetterMatch;
if (_selectedMatch.Text == Configuration.Settings.Language.VobSubOcr.NoMatch)
{
buttonUpdate.Enabled = false;
buttonDelete.Enabled = false;
buttonAddBetterMatch.Enabled = true;
buttonAddBetterMatch.Text = Configuration.Settings.Language.VobSubOcrCharacterInspect.Add;
textBoxText.Enabled = true;
textBoxText.Text = string.Empty;
checkBoxItalic.Enabled = true;
}
else if (_selectedCompareNode == null && _selectedCompareBinaryOcrBitmap == null)
{
buttonUpdate.Enabled = false;
buttonDelete.Enabled = false;
buttonAddBetterMatch.Enabled = true;
textBoxText.Enabled = true;
textBoxText.Text = string.Empty;
checkBoxItalic.Enabled = false;
}
else
{
buttonUpdate.Enabled = true;
buttonDelete.Enabled = true;
if (_selectedCompareNode != null)
buttonAddBetterMatch.Enabled = true;
textBoxText.Enabled = true;
checkBoxItalic.Enabled = true;
}
}
private void buttonAddBetterMatch_Click(object sender, EventArgs e)
{
if (listBoxInspectItems.SelectedIndex < 0)
return;
if (listBoxInspectItems.Items[listBoxInspectItems.SelectedIndex].ToString() == textBoxText.Text)
{
textBoxText.SelectAll();
textBoxText.Focus();
return;
}
if (_selectedCompareBinaryOcrBitmap != null || (_binOcrDb != null && (_selectedMatch.Text == Configuration.Settings.Language.VobSubOcr.NoMatch || _selectedMatch.NOcrCharacter == null)))
{
var nbmp = new NikseBitmap((pictureBoxInspectItem.Image as Bitmap));
int x = 0;
int y = 0;
if (_selectedMatch != null && _selectedMatch.ImageSplitterItem != null)
{
if (_selectedMatch.ImageSplitterItem != null)
{
x = _selectedMatch.ImageSplitterItem.X;
y = _selectedMatch.ImageSplitterItem.Top;
}
else
{
x = _selectedMatch.X;
y = _selectedMatch.Y;
}
}
var bob = new BinaryOcrBitmap(nbmp, checkBoxItalic.Checked, 0, textBoxText.Text, x, y);
_binOcrDb.Add(bob);
int index = listBoxInspectItems.SelectedIndex;
_matches[index].Name = bob.Key;
_matches[index].ExpandCount = 0;
_matches[index].Italic = checkBoxItalic.Checked;
_matches[index].Text = textBoxText.Text;
listBoxInspectItems.Items.Clear();
for (int i = 0; i < _matches.Count; i++)
listBoxInspectItems.Items.Add(_matches[i].Text);
listBoxInspectItems.SelectedIndex = index;
listBoxInspectItems_SelectedIndexChanged(null, null);
ShowCount();
// update other letters that are exact matches
for (int i = 0; i < _matches.Count; i++)
{
if (i != index && i < _imageSources.Count && _matches[i].ExpandCount == 0)
{
var newMatch = _binOcrDb.FindExactMatch(new BinaryOcrBitmap(new NikseBitmap(_imageSources[i])));
if (newMatch >= 0 && _binOcrDb.CompareImages[newMatch].Hash == bob.Hash)
{
_matches[i].Name = bob.Key;
_matches[i].ExpandCount = 0;
_matches[i].Italic = checkBoxItalic.Checked;
_matches[i].Text = textBoxText.Text;
listBoxInspectItems.Items[i] = textBoxText.Text;
}
}
}
return;
}
if (_selectedCompareNode != null)
{
XmlNode newNode = ImageCompareDocument.CreateElement("Item");
var text = newNode.OwnerDocument.CreateAttribute("Text");
text.InnerText = textBoxText.Text;
newNode.Attributes.Append(text);
string databaseName = Path.Combine(_directoryPath, "Images.db");
FileStream f;
long pos;
if (!File.Exists(databaseName))
{
using (f = new FileStream(databaseName, FileMode.Create))
{
pos = f.Position;
new ManagedBitmap(pictureBoxInspectItem.Image as Bitmap).AppendToStream(f);
}
}
else
{
using (f = new FileStream(databaseName, FileMode.Append))
{
pos = f.Position;
new ManagedBitmap(pictureBoxInspectItem.Image as Bitmap).AppendToStream(f);
}
}
string name = pos.ToString(CultureInfo.InvariantCulture);
newNode.InnerText = name;
SetItalic(newNode);
ImageCompareDocument.DocumentElement.AppendChild(newNode);
int index = listBoxInspectItems.SelectedIndex;
_matches[index].Name = name;
_matches[index].ExpandCount = 0;
_matches[index].Italic = checkBoxItalic.Checked;
_matches[index].Text = textBoxText.Text;
listBoxInspectItems.Items.Clear();
for (int i = 0; i < _matches.Count; i++)
listBoxInspectItems.Items.Add(_matches[i].Text);
listBoxInspectItems.SelectedIndex = index;
ShowCount();
listBoxInspectItems_SelectedIndexChanged(null, null);
}
}
/// <summary>
/// The is bitmaps alike.
/// </summary>
/// <param name="bmp1">
/// The bmp 1.
/// </param>
/// <param name="bmp2">
/// The bmp 2.
/// </param>
/// <returns>
/// The <see cref="int"/>.
/// </returns>
internal static int IsBitmapsAlike(NikseBitmap bmp1, BinaryOcrBitmap bmp2)
{
int different = 0;
int maxDiff = bmp1.Width * bmp1.Height / 5;
for (int x = 1; x < bmp1.Width; x++)
{
for (int y = 1; y < bmp1.Height; y++)
{
if (bmp1.GetAlpha(x, y) < 100 && bmp2.GetPixel(x, y) > 0)
{
different++;
}
}
if (different > maxDiff)
{
return different + 10;
}
}
return different;
}
private void buttonDelete_Click(object sender, EventArgs e)
{
if (_selectedCompareNode == null && _selectedCompareBinaryOcrBitmap == null)
return;
listBoxInspectItems.Items[listBoxInspectItems.SelectedIndex] = Configuration.Settings.Language.VobSubOcr.NoMatch;
if (_selectedCompareBinaryOcrBitmap != null)
{
if (_selectedCompareBinaryOcrBitmap.ExpandCount > 0)
_binOcrDb.CompareImagesExpanded.Remove(_selectedCompareBinaryOcrBitmap);
else
_binOcrDb.CompareImages.Remove(_selectedCompareBinaryOcrBitmap);
_selectedCompareBinaryOcrBitmap = null;
}
else
{
ImageCompareDocument.DocumentElement.RemoveChild(_selectedCompareNode);
_selectedCompareNode = null;
}
listBoxInspectItems_SelectedIndexChanged(null, null);
}
/// <summary>
/// The add.
/// </summary>
/// <param name="bob">
/// The bob.
/// </param>
/// <returns>
/// The <see cref="int"/>.
/// </returns>
public int Add(BinaryOcrBitmap bob)
{
int index;
if (bob.ExpandCount > 0)
{
index = this.FindExactMatchExpanded(bob);
if (index == -1 || this.CompareImagesExpanded[index].ExpandCount != bob.ExpandCount)
{
this.CompareImagesExpanded.Add(bob);
}
else
{
bool allAlike = true;
for (int i = 0; i < bob.ExpandCount - 1; i++)
{
if (bob.ExpandedList[i].Hash != this.CompareImagesExpanded[index].ExpandedList[i].Hash)
{
allAlike = false;
}
}
if (!allAlike)
{
this.CompareImages.Add(bob);
}
else
{
MessageBox.Show("Expanded image already in db!");
}
}
}
else
{
index = this.FindExactMatch(bob);
if (index == -1)
{
this.CompareImages.Add(bob);
}
else
{
MessageBox.Show("Image already in db!");
}
}
return index;
}
/// <summary>
/// The find exact match expanded.
/// </summary>
/// <param name="bob">
/// The bob.
/// </param>
/// <returns>
/// The <see cref="int"/>.
/// </returns>
public int FindExactMatchExpanded(BinaryOcrBitmap bob)
{
for (int i = 0; i < this.CompareImagesExpanded.Count; i++)
{
BinaryOcrBitmap b = this.CompareImagesExpanded[i];
if (bob.Hash == b.Hash && bob.Width == b.Width && bob.Height == b.Height && bob.NumberOfColoredPixels == b.NumberOfColoredPixels)
{
return i;
}
}
return -1;
}
/// <summary>
/// The load compare images.
/// </summary>
public void LoadCompareImages()
{
List<BinaryOcrBitmap> list = new List<BinaryOcrBitmap>();
List<BinaryOcrBitmap> expandList = new List<BinaryOcrBitmap>();
if (!File.Exists(this.FileName))
{
this.CompareImages = list;
return;
}
using (Stream gz = new GZipStream(File.OpenRead(this.FileName), CompressionMode.Decompress))
{
bool done = false;
while (!done)
{
BinaryOcrBitmap bob = new BinaryOcrBitmap(gz);
if (bob.LoadedOk)
{
if (bob.ExpandCount > 0)
{
expandList.Add(bob);
bob.ExpandedList = new List<BinaryOcrBitmap>();
for (int i = 1; i < bob.ExpandCount; i++)
{
BinaryOcrBitmap expandedBob = new BinaryOcrBitmap(gz);
if (expandedBob.LoadedOk)
{
bob.ExpandedList.Add(expandedBob);
}
else
{
break;
}
}
}
else
{
list.Add(bob);
}
}
else
{
done = true;
}
}
}
this.CompareImages = list;
this.CompareImagesExpanded = expandList;
}
public Bitmap ToOldBitmap(Color color)
{
if (ExpandedList != null && ExpandedList.Count > 0)
{
int minX = X;
int minY = Y;
int maxX = X + Width;
int maxY = Y + Height;
var list = new List <BinaryOcrBitmap>();
list.Add(this);
foreach (BinaryOcrBitmap bob in ExpandedList)
{
if (bob.X < minX)
{
minX = bob.X;
}
if (bob.Y < minY)
{
minY = bob.Y;
}
if (bob.X + bob.Width > maxX)
{
maxX = bob.X + bob.Width;
}
if (bob.Y + bob.Height > maxY)
{
maxY = bob.Y + bob.Height;
}
list.Add(bob);
}
var nbmp = new BinaryOcrBitmap(maxX - minX, maxY - minY);
foreach (BinaryOcrBitmap bob in list)
{
for (int y = 0; y < bob.Height; y++)
{
for (int x = 0; x < bob.Width; x++)
{
int c = bob.GetPixel(x, y);
if (c > 0)
{
nbmp.SetPixel(bob.X - minX + x, bob.Y - minY + y, 1);
}
}
}
}
return(nbmp.ToOldBitmap(color)); // Resursive
}
else
{
var nbmp = new NikseBitmap(Width, Height);
for (int y = 0; y < Height; y++)
{
for (int x = 0; x < Width; x++)
{
Color c = Color.Transparent;
if (GetPixel(x, y) > 0)
{
c = color;
}
nbmp.SetPixel(x, y, c);
}
}
return(nbmp.GetBitmap());
}
}
public Bitmap ToOldBitmap()
{
if (ExpandedList != null && ExpandedList.Count > 0)
{
int minX = X;
int minY = Y;
int maxX = X + Width;
int maxY = Y + Height;
var list = new List<BinaryOcrBitmap>();
list.Add(this);
foreach (BinaryOcrBitmap bob in ExpandedList)
{
if (bob.X < minX)
minX = bob.X;
if (bob.Y < minY)
minY = bob.Y;
if (bob.X + bob.Width > maxX)
maxX = bob.X + bob.Width;
if (bob.Y + bob.Height > maxY)
maxY = bob.Y + bob.Height;
list.Add(bob);
}
var nbmp = new BinaryOcrBitmap(maxX - minX, maxY - minY);
foreach (BinaryOcrBitmap bob in list)
{
for (int y = 0; y < bob.Height; y++)
{
for (int x = 0; x < bob.Width; x++)
{
int c = bob.GetPixel(x, y);
if (c > 0)
nbmp.SetPixel(bob.X - minX + x, bob.Y - minY + y, 1);
}
}
}
return nbmp.ToOldBitmap(); // Resursive
}
else
{
var nbmp = new NikseBitmap(Width, Height);
for (int y = 0; y < Height; y++)
{
for (int x = 0; x < Width; x++)
{
Color c = Color.Transparent;
if (GetPixel(x, y) > 0)
c = Color.White;
nbmp.SetPixel(x, y, c);
}
}
return nbmp.GetBitmap();
}
}
/// <summary>
/// The to old bitmap.
/// </summary>
/// <returns>
/// The <see cref="Bitmap"/>.
/// </returns>
public Bitmap ToOldBitmap()
{
if (this.ExpandedList != null && this.ExpandedList.Count > 0)
{
int minX = this.X;
int minY = this.Y;
int maxX = this.X + this.Width;
int maxY = this.Y + this.Height;
List<BinaryOcrBitmap> list = new List<BinaryOcrBitmap>();
list.Add(this);
foreach (BinaryOcrBitmap bob in this.ExpandedList)
{
if (bob.X < minX)
{
minX = bob.X;
}
if (bob.Y < minY)
{
minY = bob.Y;
}
if (bob.X + bob.Width > maxX)
{
maxX = bob.X + bob.Width;
}
if (bob.Y + bob.Height > maxY)
{
maxY = bob.Y + bob.Height;
}
list.Add(bob);
}
BinaryOcrBitmap nbmp = new BinaryOcrBitmap(maxX - minX, maxY - minY);
foreach (BinaryOcrBitmap bob in list)
{
for (int y = 0; y < bob.Height; y++)
{
for (int x = 0; x < bob.Width; x++)
{
int c = bob.GetPixel(x, y);
if (c > 0)
{
nbmp.SetPixel(bob.X - minX + x, bob.Y - minY + y, 1);
}
}
}
}
return nbmp.ToOldBitmap(); // Resursive
}
else
{
NikseBitmap nbmp = new NikseBitmap(this.Width, this.Height);
for (int y = 0; y < this.Height; y++)
{
for (int x = 0; x < this.Width; x++)
{
Color c = Color.Transparent;
if (this.GetPixel(x, y) > 0)
{
c = Color.White;
}
nbmp.SetPixel(x, y, c);
}
}
return nbmp.GetBitmap();
}
}
private void buttonAddBetterMatch_Click(object sender, EventArgs e)
{
if (listBoxInspectItems.SelectedIndex < 0)
return;
if (listBoxInspectItems.Items[listBoxInspectItems.SelectedIndex].ToString() == textBoxText.Text)
{
textBoxText.SelectAll();
textBoxText.Focus();
return;
}
if (_selectedCompareNode != null)
{
XmlNode newNode = ImageCompareDocument.CreateElement("Item");
XmlAttribute text = newNode.OwnerDocument.CreateAttribute("Text");
text.InnerText = textBoxText.Text;
newNode.Attributes.Append(text);
string databaseName = Path.Combine(_directoryPath, "Images.db");
FileStream f;
long pos = 0;
if (!File.Exists(databaseName))
{
using (f = new FileStream(databaseName, FileMode.Create))
{
pos = f.Position;
new ManagedBitmap(pictureBoxInspectItem.Image as Bitmap).AppendToStream(f);
}
}
else
{
using (f = new FileStream(databaseName, FileMode.Append))
{
pos = f.Position;
new ManagedBitmap(pictureBoxInspectItem.Image as Bitmap).AppendToStream(f);
}
}
string name = pos.ToString(CultureInfo.InvariantCulture);
newNode.InnerText = name;
SetItalic(newNode);
ImageCompareDocument.DocumentElement.AppendChild(newNode);
int index = listBoxInspectItems.SelectedIndex;
_matches[index].Name = name;
_matches[index].ExpandCount = 0;
_matches[index].Italic = checkBoxItalic.Checked;
_matches[index].Text = textBoxText.Text;
listBoxInspectItems.Items.Clear();
for (int i = 0; i < _matches.Count; i++)
listBoxInspectItems.Items.Add(_matches[i].Text);
listBoxInspectItems.SelectedIndex = index;
ShowCount();
listBoxInspectItems_SelectedIndexChanged(null, null);
}
else if (_selectedCompareBinaryOcrBitmap != null)
{
var nbmp = new NikseBitmap((pictureBoxInspectItem.Image as Bitmap));
int x = 0;
int y = 0;
if (_selectedMatch != null && _selectedMatch.ImageSplitterItem != null)
{
x = _selectedMatch.X;
y = _selectedMatch.Y;
}
var bob = new BinaryOcrBitmap(nbmp, checkBoxItalic.Checked, 0, textBoxText.Text, x, y);
_binOcrDb.Add(bob);
int index = listBoxInspectItems.SelectedIndex;
_matches[index].Name = bob.Key;
_matches[index].ExpandCount = 0;
_matches[index].Italic = checkBoxItalic.Checked;
_matches[index].Text = textBoxText.Text;
listBoxInspectItems.Items.Clear();
for (int i = 0; i < _matches.Count; i++)
listBoxInspectItems.Items.Add(_matches[i].Text);
listBoxInspectItems.SelectedIndex = index;
listBoxInspectItems_SelectedIndexChanged(null, null);
ShowCount();
}
}
private double GetPixelDifPercentage(BinaryOcrBitmap expanded, BinaryOcrBitmap bobNext, NikseBitmap nbmpNext)
{
var difColoredPercentage = (Math.Abs(expanded.NumberOfColoredPixels - bobNext.NumberOfColoredPixels)) * 100.0 / (bobNext.Width * bobNext.Height);
if (difColoredPercentage > 1 && expanded.Width < 3 || bobNext.Width < 3)
return 100;
int dif = int.MaxValue;
if (expanded.Height == bobNext.Height && expanded.Width == bobNext.Width)
{
dif = NikseBitmapImageSplitter.IsBitmapsAlike(nbmpNext, expanded);
}
else if (expanded.Height == bobNext.Height && expanded.Width == bobNext.Width + 1)
{
dif = NikseBitmapImageSplitter.IsBitmapsAlike(nbmpNext, expanded);
}
else if (expanded.Height == bobNext.Height && expanded.Width == bobNext.Width - 1)
{
dif = NikseBitmapImageSplitter.IsBitmapsAlike(expanded, nbmpNext);
}
else if (expanded.Width == bobNext.Width && expanded.Height == bobNext.Height + 1)
{
dif = NikseBitmapImageSplitter.IsBitmapsAlike(nbmpNext, expanded);
}
else if (expanded.Width == bobNext.Width && expanded.Height == bobNext.Height - 1)
{
dif = NikseBitmapImageSplitter.IsBitmapsAlike(expanded, nbmpNext);
}
var percentage = dif * 100.0 / (bobNext.Width * bobNext.Height);
return percentage;
}
public int Add(BinaryOcrBitmap bob)
{
int index;
if (bob.ExpandCount > 0)
{
if (bob.ExpandedList == null || bob.ExpandCount -1 != bob.ExpandedList.Count )
throw new Exception("BinaryOcrDb.Add: There should be " + (bob.ExpandCount -1) + " sub image(s)");
if (bob.ExpandedList[0].Text != null)
throw new Exception("BinaryOcrDb.Add: sub image should have null text");
index = FindExactMatchExpanded(bob);
if (index == -1 || CompareImagesExpanded[index].ExpandCount != bob.ExpandCount)
{
CompareImagesExpanded.Add(bob);
}
else
{
bool allAlike = true;
for (int i = 0; i < bob.ExpandCount - 1; i++)
{
if (bob.ExpandedList[i].Hash != CompareImagesExpanded[index].ExpandedList[i].Hash)
allAlike = false;
if (bob.ExpandedList[i].Text != null)
throw new Exception("BinaryOcrDb.Add: sub image should have null text");
}
if (!allAlike)
CompareImagesExpanded.Add(bob);
else
throw new Exception("BinaryOcrDb.Add: Expanded image already in db!");
}
}
else
{
index = FindExactMatch(bob);
if (index == -1)
CompareImages.Add(bob);
else
throw new Exception("BinaryOcrDb.Add: Image already in db!");
}
return index;
}
private string SaveCompareItemNew(ImageSplitterItem newTarget, string text, bool isItalic, List<ImageSplitterItem> expandList)
{
int expandCount = 0;
if (expandList != null)
expandCount = expandList.Count;
if (expandCount > 0)
{
var bob = new BinaryOcrBitmap(expandList[0].NikseBitmap, isItalic, expandCount, text, expandList[0].X, expandList[0].Top);
bob.ExpandedList = new List<BinaryOcrBitmap>();
for (int j = 1; j < expandList.Count; j++)
{
var expandedBob = new BinaryOcrBitmap(expandList[j].NikseBitmap);
expandedBob.X = expandList[j].X;
expandedBob.Y = expandList[j].Top;
bob.ExpandedList.Add(expandedBob);
}
_binaryOcrDb.Add(bob);
_binaryOcrDb.Save();
return bob.Key;
}
else
{
var bob = new BinaryOcrBitmap(newTarget.NikseBitmap, isItalic, expandCount, text, newTarget.X, newTarget.Top);
_binaryOcrDb.Add(bob);
_binaryOcrDb.Save();
return bob.Key;
}
}
private CompareMatch GetCompareMatchNew(ImageSplitterItem targetItem, out CompareMatch secondBestGuess, List<ImageSplitterItem> list, int listIndex)
{
double maxDiff = _numericUpDownMaxErrorPct;
secondBestGuess = null;
int index = 0;
int smallestDifference = 10000;
int smallestIndex = -1;
NikseBitmap target = targetItem.NikseBitmap;
if (_binaryOcrDb == null)
{
return null;
}
var bob = new BinaryOcrBitmap(target);
for (int k = 0; k < _binaryOcrDb.CompareImagesExpanded.Count; k++)
{
var b = _binaryOcrDb.CompareImagesExpanded[k];
if (bob.Hash == b.Hash && bob.Width == b.Width && bob.Height == b.Height && bob.NumberOfColoredPixels == b.NumberOfColoredPixels)
{
bool ok = false;
for (int i = 0; i < b.ExpandedList.Count; i++)
{
if (listIndex + i + 1 < list.Count && list[listIndex + i + 1].NikseBitmap != null && b.ExpandedList[i].Hash == new BinaryOcrBitmap(list[listIndex + i + 1].NikseBitmap).Hash)
{
ok = true;
}
else
{
ok = false;
break;
}
}
if (ok)
{
secondBestGuess = null;
return new CompareMatch(b.Text, b.Italic, b.ExpandCount, b.Key);
}
}
}
FindBestMatchNew(ref index, ref smallestDifference, ref smallestIndex, target, _binaryOcrDb, bob, maxDiff);
if (smallestIndex >= 0)
{
double differencePercentage = smallestDifference * 100.0 / (target.Width * target.Height);
if (differencePercentage <= maxDiff)
{
var hit = _binaryOcrDb.CompareImages[smallestIndex];
string text = hit.Text;
if (smallestDifference > 0)
{
int h = hit.Height;
if (text == "V" || text == "W" || text == "U" || text == "S" || text == "Z" || text == "O" || text == "X" || text == "Ø" || text == "C")
{
if (_binOcrLastLowercaseHeight > 3 && h - _binOcrLastLowercaseHeight < 2)
text = text.ToLower();
}
else if (text == "v" || text == "w" || text == "u" || text == "s" || text == "z" || text == "o" || text == "x" || text == "ø" || text == "c")
{
if (_binOcrLastUppercaseHeight > 3 && _binOcrLastUppercaseHeight - h < 2)
text = text.ToUpper();
}
}
else
{
SetBinOcrLowercaseUppercase(hit.Height, text);
}
return new CompareMatch(text, hit.Italic, hit.ExpandCount, hit.Key);
}
var guess = _binaryOcrDb.CompareImages[smallestIndex];
secondBestGuess = new CompareMatch(guess.Text, guess.Italic, guess.ExpandCount, guess.Key);
}
return null;
}
