public List <Bitmap> CutImage(Image img, int v)
{
Bitmap bmpSource = new Bitmap(img);
List <Bitmap> imgList = new List <Bitmap>();
List <Beyond> list = GetImageBeyondList(img, v);
for (int i = 0; i < list.Count; i++)
{
Beyond bd = list[i];
int startX = bd.StartX;
int endX = bd.EndX;
endX = endX > img.Width - 1 ? img.Width - 1 : endX;
Bitmap bmp = new Bitmap(endX - startX + 1, img.Height);
for (int j = 0; j < bmpSource.Height; j++)
{
for (int k = startX; k < endX + 1; k++)
{
Color pixelColor = bmpSource.GetPixel(k, j);
bmp.SetPixel(k - startX, j, pixelColor);
}
}
bmp = TrimBmp(bmp);
bmp = ImageHelper.Normalized(bmp, 16, 16);
imgList.Add(bmp);
}
return(imgList);
}
public Bitmap CutImage(Image img, int v, ref int _cnt)
{
List <Beyond> list = GetImageBeyondList(img, v);
Bitmap bmp = new Bitmap(img);
_cnt = list.Count;
for (int i = 0; i < list.Count; i++)
{
Beyond bd = list[i];
int startx = bd.StartX;
int endX = bd.EndX;
endX = endX > img.Width - 1 ? img.Width - 1 : endX;
for (int j = 0; j < img.Height - 1; j++)
{
bmp.SetPixel(startx, j, Color.Red);
bmp.SetPixel(endX, j, Color.Red);
}
}
return(bmp);
}
/// <summary>
///得到图片的边界
/// </summary>
/// <param name="img">图片</param>
/// <param name="v">字符的宽度预估值</param>
/// <returns></returns>
public List <Beyond> GetImageBeyondList(Image img, int v)
{
List <Beyond> resultList = new List <Beyond>();
int[,] inputX = ConvertImgToArrayX(img);
List <int> indexList = new List <int>();
for (int i = 0; i < img.Width; i++)
{
int[] yArray = GetArrayX(inputX, i);
string str = Array2String(yArray, false);
int trap = img.Height / 3;
if (str.IndexOf("1") == -1)
{
indexList.Add(i);
}
}
indexList.Add(-1);
indexList.Add(img.Width);
indexList.Sort();
int startX = indexList[0];
List <Beyond> listBeyond = new List <Beyond>();
for (int i = 1; i < indexList.Count; i++)
{
int endX = indexList[i];
if (endX - startX >= 4)
{
Beyond beyond = new Beyond();
beyond.StartX = startX + 1;
beyond.EndX = endX - 1;
listBeyond.Add(beyond);
}
startX = endX;
}
if (listBeyond.Count == 1)
{
//平均切割
Beyond bd = listBeyond[0];
int avr = (bd.EndX - bd.StartX) / 4;
int _startX = bd.StartX;
listBeyond.Clear();
for (int i = 0; i < 4; i++)
{
int _endX = _startX + avr;
listBeyond.Add(new Beyond {
StartX = _startX, EndX = _endX
});
_startX = _endX;
}
}
if (listBeyond.Count == 3)
{
Beyond max = listBeyond[0];
int index = 0;
for (int i = 1; i < listBeyond.Count; i++)
{
Beyond _max = listBeyond[i];
if (max.EndX - max.StartX < _max.EndX - _max.StartX)
{
index = i;
max = _max;
}
}
//平分
int _startX = max.StartX;
int _endX = max.EndX;
int avr = (max.EndX - max.StartX) / 2;
listBeyond.Remove(max);
for (int i = 0; i < 2; i++)
{
_endX = _startX + avr;
listBeyond.Insert(index, new Beyond {
StartX = _startX, EndX = _endX
});
index = index + 1;
_startX = _endX;
}
}
if (listBeyond.Count == 2)
{
if (Math.Abs((listBeyond[1].EndX - listBeyond[1].StartX) - (listBeyond[0].EndX - listBeyond[0].StartX)) > 15)
{
Beyond max = (listBeyond[1].EndX - listBeyond[1].StartX) > (listBeyond[0].EndX - listBeyond[0].StartX) ? listBeyond[1] : listBeyond[0];
//平分
int index = (listBeyond[1].EndX - listBeyond[1].StartX) > (listBeyond[0].EndX - listBeyond[0].StartX) ? 1 : 0;
int _startX = max.StartX;
int _endX = max.EndX;
int avr = (max.EndX - max.StartX) / 3;
listBeyond.Remove(max);
for (int i = 0; i < 3; i++)
{
_endX = _startX + avr;
listBeyond.Insert(index, new Beyond {
StartX = _startX, EndX = _endX
});
index = index + 1;
_startX = _endX;
}
}
else
{
List <Beyond> _temp = new List <Beyond>();
for (int i = 0; i < 2; i++)
{
Beyond max = listBeyond[i];
//平分
int _startX = max.StartX;
int _endX = max.EndX;
int avr = (max.EndX - max.StartX) / 2;
for (int j = 0; j < 2; j++)
{
if (j == 0)
{
_endX = _startX + avr;
_startX = _endX;
_temp.Add(new Beyond {
StartX = max.StartX, EndX = _endX
});
}
if (j == 1)
{
_temp.Add(new Beyond {
StartX = _startX, EndX = max.EndX
});
}
}
}
listBeyond = _temp;
}
}
return(listBeyond);
}
/// <summary>
///得到图片的边界
/// </summary>
/// <param name="img">图片</param>
/// <param name="v">字符的宽度预估值</param>
/// <returns></returns>
public List<Beyond> GetImageBeyondList(Image img, int v)
{
List<Beyond> resultList = new List<Beyond>();
int[,] inputX = ConvertImgToArrayX(img);
List<int> indexList = new List<int>();
for (int i = 0; i < img.Width; i++)
{
int[] yArray = GetArrayX(inputX, i);
string str = Array2String(yArray, false);
int trap = img.Height / 3;
if (str.IndexOf("1") == -1)
{
indexList.Add(i);
}
}
indexList.Add(-1);
indexList.Add(img.Width);
indexList.Sort();
int startX = indexList[0];
List<Beyond> listBeyond = new List<Beyond>();
for (int i = 1; i < indexList.Count; i++)
{
int endX = indexList[i];
if (endX - startX >= 4)
{
Beyond beyond = new Beyond();
beyond.StartX = startX + 1;
beyond.EndX = endX - 1;
listBeyond.Add(beyond);
}
startX = endX;
}
if (listBeyond.Count == 1)
{
//平均切割
Beyond bd = listBeyond[0];
int avr = (bd.EndX - bd.StartX) / 4;
int _startX = bd.StartX;
listBeyond.Clear();
for (int i = 0; i < 4; i++)
{
int _endX = _startX + avr;
listBeyond.Add(new Beyond { StartX = _startX, EndX = _endX });
_startX = _endX;
}
}
if (listBeyond.Count == 3)
{
Beyond max = listBeyond[0];
int index = 0;
for (int i = 1; i < listBeyond.Count; i++)
{
Beyond _max = listBeyond[i];
if (max.EndX - max.StartX < _max.EndX - _max.StartX)
{
index = i;
max = _max;
}
}
//平分
int _startX = max.StartX;
int _endX = max.EndX;
int avr = (max.EndX - max.StartX) / 2;
listBeyond.Remove(max);
for (int i = 0; i < 2; i++)
{
_endX = _startX + avr;
listBeyond.Insert(index, new Beyond { StartX = _startX, EndX = _endX });
index = index + 1;
_startX = _endX;
}
}
if (listBeyond.Count == 2)
{
if (Math.Abs((listBeyond[1].EndX - listBeyond[1].StartX) - (listBeyond[0].EndX - listBeyond[0].StartX)) > 15)
{
Beyond max = (listBeyond[1].EndX - listBeyond[1].StartX) > (listBeyond[0].EndX - listBeyond[0].StartX) ? listBeyond[1] : listBeyond[0];
//平分
int index = (listBeyond[1].EndX - listBeyond[1].StartX) > (listBeyond[0].EndX - listBeyond[0].StartX) ? 1 : 0;
int _startX = max.StartX;
int _endX = max.EndX;
int avr = (max.EndX - max.StartX) / 3;
listBeyond.Remove(max);
for (int i = 0; i < 3; i++)
{
_endX = _startX + avr;
listBeyond.Insert(index, new Beyond { StartX = _startX, EndX = _endX });
index = index + 1;
_startX = _endX;
}
}
else
{
List<Beyond> _temp = new List<Beyond>();
for (int i = 0; i < 2; i++)
{
Beyond max = listBeyond[i];
//平分
int _startX = max.StartX;
int _endX = max.EndX;
int avr = (max.EndX - max.StartX) / 2;
for (int j = 0; j < 2; j++)
{
if (j == 0)
{
_endX = _startX + avr;
_startX = _endX;
_temp.Add(new Beyond { StartX = max.StartX, EndX = _endX });
}
if (j == 1)
{
_temp.Add(new Beyond { StartX = _startX, EndX = max.EndX });
}
}
}
listBeyond = _temp;
}
}
return listBeyond;
}
