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static void SimpleOCRCalculator(string filePath)
{
RasterCodecs codecs = new RasterCodecs();
RasterImage image = codecs.Load(filePath);
string[] calculations;
using (IOcrEngine engine = OcrEngineManager.CreateEngine(OcrEngineType.Advantage, false))
{
engine.Startup(null, null, null, null);
IOcrPage page = engine.CreatePage(image, OcrImageSharingMode.None);
page.AutoZone(null);
page.Recognize(null);
calculations = new string[page.Zones.Count];
for (int i = 0; i < page.Zones.Count; i++)
{
calculations[i] = page.GetText(i);
}
engine.Shutdown();
}
Dictionary<string, Action<double, double>> operands = new Dictionary<string, Action<double, double>>();
operands.Add("+", new Action<double, double>(delegate(double a, double b) { double ans = a + b; Console.WriteLine("{0} + {1} = {2}", a, b, ans); }));
operands.Add("-", new Action<double, double>(delegate(double a, double b) { double ans = a - b; Console.WriteLine("{0} - {1} = {2}", a, b, ans); }));
operands.Add("x", new Action<double, double>(delegate(double a, double b) { double ans = a * b; Console.WriteLine("{0} * {1} = {2}", a, b, ans); }));
operands.Add("/", new Action<double, double>(delegate(double a, double b) { double ans = a / b; Console.WriteLine("{0} / {1} = {2}", a, b, ans); }));
for (int i = 0; i < calculations.Length; i++)
{
string equation = Regex.Replace(calculations[i], @"\n|\r| ", "");
string[] ops = new string[] { "+", "-", "x", "/" };
for (int j = 0; j < ops.Length; j++)
{
int index = equation.IndexOf(ops[j]);
if (index > 0 && index < equation.Length)
{
string op1 = equation.Substring(0, index);
string op2 = equation.Substring(index + 1);
double arg1 = double.Parse(op1);
double arg2 = double.Parse(op2);
operands[ops[j]](arg1, arg2);
break;
}
}
}
codecs.Dispose();
image.Dispose();
}
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using (RasterCodecs codecs = new RasterCodecs())
{
codecs.Options.RasterizeDocument.Load.XResolution = 300;
codecs.Options.RasterizeDocument.Load.YResolution = 300;
RasterImage image = codecs.Load(inputFile);
using (IOcrEngine ocrEngine = OcrEngineManager.CreateEngine(OcrEngineType.Professional, false))
{
ocrEngine.Startup(null, null, null, @"C:\LEADTOOLS 19\Bin\Common\OcrProfessionalRuntime64");
using (IOcrDocument document = ocrEngine.DocumentManager.CreateDocument())
{
document.Pages.AddPage(image, null);
document.Pages[0].Recognize(null);
IOcrPageCharacters pageCharacters = document.Pages[0].GetRecognizedCharacters();
for (int i = 0; i < document.Pages[0].Zones.Count; i++)
{
IOcrZoneCharacters zoneCharacters = pageCharacters.FindZoneCharacters(i);
if (zoneCharacters != null)
{
foreach (var ocrCharacter in zoneCharacters)
{
OcrCharacterPosition position;
position = ocrCharacter.Position;
if ((position & OcrCharacterPosition.EndOfLine) == OcrCharacterPosition.EndOfLine)
{
Console.Write(ocrCharacter.Code + "\n");
}
else
{
Console.Write(ocrCharacter.Code);
}
}
}
}
}
}
}2017慧都十四周年狂欢搞事情！砸金蛋100%抽现金红包、满额豪送iPhone X、iPhone 8、DevExpress汉化免费送、团队升级培训套包劲省10万元......更多惊喜等您来探索！
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