private void Form1_Deactivate(object sender, EventArgs e) { if (InkData != IntPtr.Zero) { WritePadAPI.INK_Erase(InkData); WritePadAPI.INK_FreeData(InkData); } WritePadAPI.releaseRecognizer(); }
private void MainWindow_OnClosing(object sender, CancelEventArgs e) { if (InkData != IntPtr.Zero) { WritePadAPI.INK_Erase(InkData); WritePadAPI.INK_FreeData(InkData); } WritePadAPI.releaseRecognizer(); }
private void ClearInk() { if (InkData != IntPtr.Zero) { WritePadAPI.INK_Erase(InkData); } InkData = IntPtr.Zero; InkCanvas.Children.Clear(); DrawGrid(); }
private void ClearInk() { polylineList.Clear(); if (panelCanvas != null) { panelCanvas.Invalidate(); } if (InkData != IntPtr.Zero) { WritePadAPI.INK_Erase(InkData); } InkData = IntPtr.Zero; }
/// <summary>n /// Recognizes a collection of Polyline objects into text. Words are recognized with alternatives, eash weighted with probability. /// </summary> /// <param name="strokes">Strokes to recognize</param> /// <returns></returns> public string RecognizeStrokes(List <List <Point> > strokes, bool bLearn) { WritePadAPI.HWR_Reset(WritePadAPI.getRecoHandle()); if (InkData != IntPtr.Zero) { WritePadAPI.INK_Erase(InkData); InkData = IntPtr.Zero; } InkData = WritePadAPI.INK_InitData(); foreach (var polyline in strokes) { WritePadAPI.AddStroke(InkData, polyline); } var res = ""; var resultStringList = new List <string>(); var wordList = new List <List <WordAlternative> >(); var defaultResultPtr = WritePadAPI.recognizeInkData(InkData, 0); var defaultResult = Marshal.PtrToStringUni(defaultResultPtr); resultStringList.Add(defaultResult); var wordCount = WritePadAPI.HWR_GetResultWordCount(WritePadAPI.getRecoHandle()); for (var i = 0; i < wordCount; i++) { var wordAlternativesList = new List <WordAlternative>(); var altCount = WritePadAPI.HWR_GetResultAlternativeCount(WritePadAPI.getRecoHandle(), i); for (var j = 0; j < altCount; j++) { var wordPtr = WritePadAPI.getResultWord(i, j); var word = Marshal.PtrToStringUni(wordPtr); if (word == "<--->") { word = "*Error*"; } if (string.IsNullOrEmpty(word)) { continue; } uint flags = WritePadAPI.HWR_GetRecognitionFlags(WritePadAPI.getRecoHandle()); var weight = WritePadAPI.HWR_GetResultWeight(WritePadAPI.getRecoHandle(), i, j); if (weight == 0) { continue; } if (j == 0 && bLearn && weight > 75 && 0 != (flags & WritePadAPI.FLAG_ANALYZER)) { // if learner is enabled, learn default word(s) when the Return gesture is used WritePadAPI.recoLearnWord(word, weight); } if (wordAlternativesList.All(x => x.Word != word)) { wordAlternativesList.Add(new WordAlternative { Word = word, Weight = weight } ); } while (resultStringList.Count < j + 2) { var emptyStr = ""; for (int k = 0; k < i; k++) { emptyStr += "\t"; } resultStringList.Add(emptyStr); } if (resultStringList[j + 1].Length > 0) { resultStringList[j + 1] += "\t\t"; } resultStringList[j + 1] += word + "\t[" + weight + "%]"; } wordList.Add(wordAlternativesList); } foreach (var line in resultStringList) { if (string.IsNullOrEmpty(line)) { continue; } if (res.Length > 0) { res += Environment.NewLine; } res += line; } return(res); }