/***********************************************************************************************************************
*
* Tesseract-OCR
*
************************************************************************************************************************/
/// <summary>
///
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
/// <example>
/// http://www.kanenote.org/blog/?p=1228
/// https://qiita.com/nobi1234/items/c8d7b748c1aa31d771a1
/// http://whoopsidaisies.hatenablog.com/entry/2013/12/16/174819
/// https://tesseract-ocr.github.io/tessdoc/Data-Files.html
/// https://kakusuke98.hatenablog.com/entry/2019/11/14/004609
/// http://blog.qes.co.jp/2017/06/
///
/// </example>
private void btn_tesseract_ocr_Click(object sender, EventArgs e)
{
//言語ファイルの格納先
//言語（日本語なら"jpn"）
//string langPath = @"C:\tessdata";
string langPath = strFolderPath + @"\tessdata";
string lngStr = "eng";
//画像ファイル
//var img = new Bitmap(@"C:\Temp\test.jpg");
Bitmap img = (Bitmap)picBoxDst.Image;
// OCRの実行
//OpenCvSharp.Text.OCRTesseract.Create("");
using (var tesseract = new Tesseract.TesseractEngine(langPath, lngStr)) {
Tesseract.Page page = tesseract.Process(img); // OCRの実行
//System.Console.Write(page.GetText()); //表示
MessageBox.Show(page.GetText());
//Console.WriteLine(page.GetText());
//Console.ReadLine();
}
}
/// <summary>
/// This could be improved, but at least it shows how to use the page iterator
/// </summary>
/// <param name="tessPage">A Tesseract 4 page</param>
/// <returns>JSON Representation of the page</returns>
private static string GetJSON(Tesseract.Page tessPage)
{
var result = string.Empty;
var structuredResult = new StructuredOCRResult()
{
Blocks = new List <StructuredOCRResult.Block>()
};
StructuredOCRResult.Block thisBlock = null;
StructuredOCRResult.Para thisPara = null;
StructuredOCRResult.TextLine thisLine = null;
var iter = tessPage.GetIterator();
do
{
if (iter.IsAtBeginningOf(Tesseract.PageIteratorLevel.Block))
{
thisBlock = new StructuredOCRResult.Block()
{
Paras = new List <StructuredOCRResult.Para>()
};
structuredResult.Blocks.Add(thisBlock);
}
if (iter.IsAtBeginningOf(Tesseract.PageIteratorLevel.Para))
{
thisPara = new StructuredOCRResult.Para()
{
TextLines = new List <StructuredOCRResult.TextLine>()
};
thisBlock.Paras.Add(thisPara);
}
if (iter.IsAtBeginningOf(Tesseract.PageIteratorLevel.TextLine))
{
thisLine = new StructuredOCRResult.TextLine()
{
Words = new List <string>()
};
thisPara.TextLines.Add(thisLine);
}
var thisWord = iter.GetText(Tesseract.PageIteratorLevel.Word);
if (thisLine == null)
{
// Not structured as we expected - abandon
result = "{\"Error\":\"no line found\"}";
break;
}
thisLine.Words.Add(thisWord);
} while (iter.Next(Tesseract.PageIteratorLevel.Word));
if (string.IsNullOrWhiteSpace(result))
{
result = JsonConvert.SerializeObject(structuredResult);
}
return(result);
}
private void Button_Click(object sender, RoutedEventArgs e)
{
int err_count = 0;
while (err_count < 2)
{
Microsoft.VisualBasic.Interaction.AppActivate("Overwatch");
SendKeys.SendWait("{PRTSC}");
System.Diagnostics.Process[] processList = System.Diagnostics.Process.GetProcesses();
if (System.Windows.Clipboard.ContainsImage())
{
string lngStr = System.IO.Path.Combine(System.IO.Directory.GetCurrentDirectory(), @"tesseract-ocr\\");
string langPath = "eng";
var img = (Bitmap)System.Windows.Forms.Clipboard.GetImage();
var bitmap24 = new Bitmap(img.Width, img.Height, System.Drawing.Imaging.PixelFormat.Format24bppRgb);
using (var gr = Graphics.FromImage(bitmap24))
{
gr.DrawImage(img, new Rectangle(0, 0, bitmap24.Width, bitmap24.Height));
}
using (var tesseract = new Tesseract.TesseractEngine(lngStr, langPath))
{
tesseract.SetVariable("SEARCH", "1");
Tesseract.Page page = tesseract.Process(bitmap24);
if (page.GetText().Contains("SEARCH") || page.GetText().Contains("TIME") || page.GetText().Contains("ELAPSED") || page.GetText().Contains("LEAGUE") || page.GetText().Contains("HIGHLIGHTS") || page.GetText().Contains("SOCIAL") || page.GetText().Contains("EXIT"))
{
err_count = 0;
}
else
{
err_count += 1;
}
}
}
Thread.Sleep(50000);
}
DateTime dt = DateTime.Now;
string result = dt.ToString("yyyy/MM/dd HH:mm:ss");
string lnk = "https://maker.ifttt.com/trigger/match/with/key/xxxxxxxx/?value1=" + result;
System.Diagnostics.Process.Start(lnk);
Environment.Exit(0);
}
public void doOcr()
{
Bitmap resizer = new Bitmap(toOcr.Width * MULTI, toOcr.Height * MULTI);
Graphics g = Graphics.FromImage(resizer);
g.InterpolationMode = System.Drawing.Drawing2D.InterpolationMode.Bicubic;
g.DrawImage(toOcr, 0, 0, resizer.Width, resizer.Height);
Bitmap bw = Create1bppImage(resizer);
Tesseract.Page p = tesseract.Process(bw);
result = new OcrResults(p.GetText(), bw);
// bmp.Save("test0.jpg");
// resizer.Save("test.jpg");
// bw.Save("testBw.jpg");
bw.Dispose();
resizer.Dispose();
g.Dispose();
p.Dispose();
toOcr.Dispose();
return;
}
