private BitmapIndex GetSafeSelectionBitmapIndex(string fileName, int xPos, int yPos, int with, int height)
{
BitmapIndex result = new BitmapIndex()
{
Index = yPos
};
Bitmap source;
using (FileStream stream = new FileStream(fileName, FileMode.Open, FileAccess.Read))
{
source = (Bitmap)Image.FromStream(stream);
}
result.BitMap = new Bitmap(with, height);
result.BitMap.SetResolution(source.HorizontalResolution, source.VerticalResolution);
Graphics G = Graphics.FromImage(result.BitMap);
// SetHighSpeedGraphics(ref G, System.Drawing.Drawing2D.PixelOffsetMode.Half);
G.DrawImage(source, 0, 0, new Rectangle(xPos, yPos, with, height), GraphicsUnit.Pixel);
G.Dispose();
//source.Dispose();
result.BitMap = SetPixel(result.BitMap);
return(result);
}
public string DeCode(Bitmap bmp, int Average = -1)
{
string code = string.Empty;
try
{
if (pro == null)
{
return(code);
}
//Bitmap img = ImageProcessing.ClearNoise(
// ImageProcessing.ConvertTo1Bpp(bmp, Convert.ToInt32(pro.proSettings.Average)),
// Convert.ToInt32(pro.proSettings.NearPoints));
Bitmap img = null;
if (pro.proSettings.ClearType == "EmguCV")
{
img = ImageProcessing.EmguCVClearNoise(bmp, pro.proSettings.Average, pro.proSettings.NearPoints);
}
else
{
//img = ImageProcessing.ConvertTo1Bpp(bmp.Clone(new Rectangle(0, 0, bmp.Width, bmp.Height), PixelFormat.Format24bppRgb), Convert.ToInt32(nbAverage.Value));
//newBmp = ImageProcessing.ClearNoise(newBmp, Convert.ToInt32(nbNearPoints.Value));
Average = Average != -1 ? Average : pro.proSettings.Average;
img = ImageProcessing.ClearNoise(ImageProcessing.ConvertTo1Bpp(bmp, Average), pro.proSettings.NearPoints);
}
Bitmap[] arr = null;
switch (pro.proSettings.Split)
{
case "平均分割":
arr = ImageProcessing.GetSplitPics(img, pro.proSettings.CharCount, 1);
break;
case "扫描分割":
arr = ImageProcessing.GetSplitPics(img, pro.proSettings.nbBorderType);
break;
case "智能分割":
arr = ImageProcessing.GetSplitPicsAI(img, pro.proSettings.nbBorderType, pro.proSettings.nbPicHeight, pro.proSettings.nbPicWidth);
break;
default:
break;
}
if (arr == null || arr.Length != pro.proSettings.CharCount)
{
return(code);
}
listWord.Clear();
Task[] tasks = new Task[arr.Length];
for (int i = 0; i < arr.Length; i++)
{
BitmapIndex bi = new BitmapIndex()
{
Index = i,
Bmp = arr[i]
};
tasks[i] = Task.Factory.StartNew(GetCode, bi);
}
Task.WaitAll(tasks, 30000);//等待三十秒
//释放资源
for (int i = 0; i < tasks.Length; i++)
{
tasks[i].Dispose();
arr[i].Dispose();
}
img.Dispose();
code = string.Join("", listWord.OrderBy(x => x.Index).Select(x => x.Word.Key));
}
catch (Exception ex) { }
return(code);
}
