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Simple example source of handwriting recognition for Windows using C#
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HandwritingSimpleExample.cs
/*!
* @brief example source of handwriting recognition
* @date 2019/12/10
* @file HandwritingSimpleExample.cs
* @author SELVAS AI
*
* Copyright 2019. SELVAS AI Inc. All Rights Reserved.
*/
using System;
using Selvasai;
namespace HwrExample
{
class Program
{
// points of 'a'
// -1, 0 : end of stroke
// -1, -1 : end of ink
// (x0, y0), (x1, y1), ... (-1, 0) ... (xn, yn) .... (-1, 0), (-1, -1)
static int[] ink_a = {271, 97, 270, 95, 266, 94, 262, 94, 256, 94, 249, 94, 243, 96, 234, 100, 226,
107, 216, 118, 208, 127, 203, 137, 195, 147, 191, 156, 188, 163, 188, 169, 188, 172, 191, 175,
195, 176, 202, 176, 210, 176, 218, 176, 227, 173, 237, 170, 246, 166, 253, 161, 258, 156, 261,
153, 264, 148, 265, 144, 267, 139, 267, 135, 268, 131, 268, 128, 268, 123, 268, 122, 268, 120,
268, 117, 268, 116, 268, 119, 273, 126, 278, 133, 284, 140, 291, 145, 294, 150, 299, 153, 301,
156, 303, 159, 306, 160, 307, 163, 308, 163, -1, 0, -1, -1
};
// points of 'good morning'
static int[] ink_good_morning = {242, 382, 233, 372, 209, 385, 176, 425, 174, 438, 195, 447, 216,
427, 223, 411, 231, 379, 233, 382, 233, 405, 234, 456, 232, 512, 227, 534, 200, 569, 167, 569, 154,
543, 161, 513, 173, 500, 220, 476, 266, 464, 278, 458, 282, 458, -1, 0, 303, 398, 292, 403, 285,
426, 307, 437, 319, 430, 330, 397, 311, 385, 291, 391, 297, 401, -1, 0, 369, 383, 363, 386, 358,
415, 385, 421, 411, 402, 418, 388, 406, 370, 372, 380, 362, 402, 368, 406, -1, 0, 496, 385, 497,
384, 495, 377, 471, 383, 457, 391, 438, 418, 463, 424, 482, 416, 510, 386, 516, 343, 511, 315,
508, 302, 510, 306, 513, 336, 518, 384, 528, 419, 534, 425, 533, 419, -1, 0, 626, 365, 629, 370,
633, 392, 635, 405, 634, 421, 630, 420, 638, 389, 644, 378, 658, 371, 671, 393, 673, 412, 673, 416,
673, 409, 678, 389, 684, 378, 704, 366, 715, 377, 720, 397, 723, 409, 723, 411, 725, 409, 730, 402,
-1, 0, 756, 374, 750, 375, 749, 401, 776, 400, 788, 391, 797, 373, 766, 366, 750, 373, 763, 375,
-1, 0, 814, 350, 814, 347, 823, 358, 836, 390, 838, 406, 835, 409, 833, 397, 837, 389, 855, 368,
875, 356, 894, 354, 900, 355, 899, 365, -1, 0, 911, 342, 917, 357, 916, 370, 918, 398, 917, 401,
917, 384, 929, 351, 946, 341, 955, 354, 958, 366, 961, 389, 964, 401, 959, 380, -1, 0, 983, 327,
991, 326, 1005, 330, 1005, 338, -1, 0, 991, 362, 992, 366, 999, 393, 1001, 400, -1, 0, 1032, 344,
1039, 350, 1045, 376, 1046, 396, 1049, 388, 1053, 378, 1067, 355, 1079, 352, 1086, 374, 1092, 398,
1095, 404, 1097, 403, 1099, 398, -1, 0, 1146, 345, 1149, 350, 1140, 356, 1127, 375, 1142, 384,
1160, 359, 1155, 342, 1151, 343, 1164, 366, 1180, 403, 1181, 439, 1176, 457, 1153, 486, 1113, 488,
1089, 463, 1101, 443, 1116, 434, 1162, 417, 1219, 409, 1229, 416, 1228, 417, -1, 0, -1, -1
};
// points of '4'
static int[] ink_4 = {273, 69, 270, 72, 267, 78, 261, 88, 253, 103, 245, 115, 236, 127, 231, 137, 227,
144, 226, 146, 230, 146, 238, 146, 252, 146, 271, 145, 291, 143, 313, 141, 329, 139, 341, 137,
352, 137, 358, 137, 362, 137, 364, 136, -1, 0, 300, 105, 300, 106, 300, 112, 298, 121, 298, 132,
296, 143, 296, 154, 296, 163, 296, 169, 296, 177, 296, 181, 295, 186, 295, 189, 295, 190, -1, 0,
-1, -1
};
// points of '안녕하세요'
static int[] ink_annyeonghaseyo = {182, 315, 185, 316, 183, 316, 182, 318, 180, 320, 173, 330, 159,
356, 149, 384, 149, 406, 157, 426, 175, 440, 200, 451, 230, 446, 250, 431, 259, 411, 268, 384,
266, 357, 258, 341, 244, 330, 229, 327, 215, 326, 204, 328, 195, 332, 192, 339, -1, 0, 357,
269, 355, 268, 355, 271, 354, 281, 355, 317, 359, 360, 363, 403, 365, 430, 364, 443, 362, 443,
-1, 0, 363, 377, 368, 370, 371, 370, 381, 370, 400, 371, 424, 376, 431, 377, -1, 0, 275, 502,
270, 504, 268, 508, 267, 515, 268, 527, 272, 541, 281, 556, 299, 571, 324, 575, 357, 569, 387,
555, 408, 533, -1, 0, 506, 301, 498, 296, 497, 302, 492, 327, 484, 364, 479, 401, 478, 432,
482, 453, 489, 467, 502, 470, 518, 471, 551, 468, 571, 454, 574, 450, -1, 0, 552, 334, 554,
319, 559, 323, 574, 320, 604, 317, 635, 315, 650, 316, 659, 320, 656, 322, -1, 0, 591, 377,
589, 377, 598, 375, 622, 371, 650, 363, 678, 353, 683, 348, -1, 0, 701, 300, 698, 300, 697,
301, 696, 307, 694, 318, 692, 347, 688, 378, 682, 412, 678, 442, 678, 449, -1, 0, 621, 515,
606, 520, 603, 526, 600, 536, 602, 546, 616, 558, 649, 562, 674, 556, 682, 546, 679, 538, 666,
531, 621, 518, 594, 526, -1, 0, 790, 282, 789, 278, 789, 279, 790, 282, 799, 288, 829, 304,
854, 318, 871, 330, 872, 331, -1, 0, 793, 386, 787, 383, 786, 383, 785, 384, 792, 384, 827,
385, 861, 385, 878, 387, -1, 0, 828, 436, 807, 448, 796, 457, 783, 471, 777, 487, 778, 501,
790, 506, 825, 507, 847, 496, 851, 487, 850, 477, 844, 471, 830, 465, 804, 460, 792, 459, -1,
0, 937, 294, 936, 290, 935, 292, 933, 298, 931, 315, 930, 359, 931, 407, 935, 453, 939, 488,
942, 518, 942, 536, 939, 550, 936, 554, -1, 0, 939, 408, 946, 399, 947, 402, 967, 401, 997,
402, 1013, 405, -1, 0, 1145, 319, 1134, 315, 1135, 318, 1129, 326, 1105, 362, 1080, 403, 1058,
446, 1041, 476, 1030, 496, 1030, 494, -1, 0, 1069, 430, 1071, 425, 1073, 427, 1079, 433, 1092,
449, 1106, 471, 1114, 486, -1, 0, 1106, 416, 1104, 404, 1116, 407, 1146, 403, 1179, 399, 1206,
391, 1209, 389, -1, 0, 1228, 352, 1225, 357, 1224, 361, 1222, 374, 1222, 404, 1223, 431, 1226,
452, 1226, 466, 1225, 463, -1, 0, 1269, 345, 1268, 343, 1267, 347, 1265, 360, 1265, 398, 1267,
434, 1269, 466, 1272, 484, 1276, 490, -1, 0, 1373, 342, 1369, 342, 1368, 345, 1368, 354, 1372,
366, 1382, 376, 1404, 385, 1431, 377, 1445, 360, 1451, 334, 1446, 321, 1432, 321, 1400, 326,
1369, 341, 1358, 359, 1353, 380, 1357, 402, 1363, 421, 1370, 440, 1376, 459, 1377, 479, 1374,
497, 1369, 509, 1363, 516, 1361, 514, -1, 0, 1426, 413, 1432, 407, 1432, 408, 1434, 416, 1429,
442, 1413, 476, 1388, 503, 1358, 526, 1334, 534, 1319, 536, 1318, 533, 1342, 523, 1417, 503,
1477, 495, 1525, 497, -1, 0, -1, -1
};
// points of '上海'
static int[] ink_shanghai = {487, 526, 487, 528, 498, 526, 529, 527, 584, 517, 608, 506, 603, 501, 589,
498, -1, 0, 484, 421, 479, 420, 470, 424, 469, 464, 479, 529, 483, 571, 482, 589, 474, 618, -1, 0,
387, 630, 370, 628, 378, 633, 406, 634, 449, 630, 479, 628, 553, 623, 594, 621, 612, 624, 614, 623,
-1, 0, 783, 389, 784, 389, 787, 384, 799, 387, 809, 405, -1, 0, 751, 459, 749, 465, 768, 471, 777,
474, -1, 0, 739, 699, 740, 686, 763, 636, 790, 605, 810, 583, 820, 569, -1, 0, 933, 352, 934, 352,
932, 385, 918, 433, 910, 452, -1, 0, 920, 420, 925, 415, 966, 416, 1028, 412, 1092, 406, 1109, 405,
1118, 412, -1, 0, 964, 470, 955, 466, 943, 485, 927, 527, 914, 566, 904, 596, 903, 609, 919, 628,
967, 636, 1016, 637, 1048, 636, 1054, 635, 1044, 625, -1, 0, 939, 487, 939, 485, 961, 472, 993, 476,
1020, 486, 1033, 515, 1030, 533, 1008, 596, 986, 646, 969, 683, 959, 696, 957, 682, -1, 0, 855, 556,
849, 551, 861, 554, 901, 554, 981, 551, 1043, 548, 1079, 547, 1087, 547, 1085, 548, 1075, 548, -1, 0,
961, 512, 955, 510, 957, 513, 962, 519, 962, 523, -1, 0, 960, 583, 965, 589, 973, 595, 978, 596, -1,
0, -1, -1
};
// points of 'ありがとう'
static int[] ink_arigatou = {272, 331, 265, 338, 311, 340, 400, 328, 455, 306, 470, 282, -1, 0, 354,
236, 342, 243, 342, 305, 357, 394, 374, 462, 386, 499, 384, 479, -1, 0, 444, 350, 435, 388, 416,
412, 349, 454, 299, 459, 278, 439, 325, 391, 411, 373, 457, 392, 456, 452, 451, 463, 455, 454, -1,
0, 569, 310, 570, 327, 571, 365, 570, 380, 569, 370, -1, 0, 619, 280, 620, 280, 632, 309, 639, 357,
638, 386, 620, 447, 591, 505, 585, 516, 596, 489, -1, 0, 706, 315, 705, 310, 735, 308, 794, 308,
827, 327, 826, 388, 808, 437, 790, 459, 785, 441, -1, 0, 816, 251, 803, 248, 772, 302, 739, 364,
723, 426, 723, 468, 740, 450, 747, 441, -1, 0, 839, 294, 851, 303, 859, 330, 861, 344, 858, 338,
-1, 0, 869, 235, 874, 240, 876, 249, 878, 263, 872, 259, -1, 0, 887, 223, 892, 227, 902, 249, 906,
264, -1, 0, 970, 266, 979, 288, 994, 314, 1015, 320, -1, 0, 1075, 272, 1078, 276, 1021, 338, 962,
391, 940, 432, 946, 458, 971, 482, 1029, 487, 1069, 475, 1090, 463, -1, 0, 1181, 234, 1223, 256,
1237, 262, 1249, 270, -1, 0, 1151, 336, 1146, 340, 1193, 320, 1246, 320, 1285, 337, 1290, 387,
1246, 448, 1203, 494, 1204, 486, -1, 0, -1, -1
};
static int MAX_CANDIDATES = 10;
static IntPtr inkObj = IntPtr.Zero;
static IntPtr settingObj = IntPtr.Zero;
static IntPtr resultObj = IntPtr.Zero;
static void MakeInputEvent(IntPtr ink, int[] inputs)
{
Hwr.InkClear(ink);
int i = 0;
while (true)
{
if (inputs[i + 0] == -1 && inputs[i + 1] == -1) // if end of ink
{
break;
}
else if (inputs[i + 0] == -1 && inputs[i + 1] == 0) // if end of stroke
{
Hwr.EndStroke(ink);
}
else
{
Hwr.AddPoint(ink, inputs[i + 0], inputs[i + 1]);
}
i += 2;
}
}
static String getCandidates(IntPtr result)
{
String output = "";
bool exit = false;
int length = 0;
int lineSize = Hwr.GetLineSize(result);
if (lineSize == 0)
{
output = "result empty";
return output;
}
for (int i = 0; i < MAX_CANDIDATES; i++)
{
for (int j = 0; j < lineSize; j++)
{
IntPtr line = Hwr.GetLine(result, j);
int blockSize = Hwr.GetBlockSize(line);
for (int k = 0; k < blockSize; k++)
{
IntPtr block = Hwr.GetBlock(line, k);
if (Hwr.GetCandidateSize(block) <= i)
{
exit = true;
break;
}
output += "[" + (i + 1) + "] ";
output += Hwr.GetCandidate(block, i, ref length);
if (k + 1 < blockSize)
{
output += " ";
}
}
if (exit)
{
break;
}
if (j + 1 < lineSize)
{
output += "\n";
}
}
if (exit)
{
break;
}
output += "\n";
}
return output;
}
static void PrintResult(String title, int status)
{
if (status == Hwr.ERR_SUCCESS)
{
Console.WriteLine("{0} ...Success", title);
Console.WriteLine("Recognized Text: \n{0}", getCandidates(resultObj));
}
else
{
Console.WriteLine("{0} ...Failed ({1})", title, status);
}
}
static void TestKorean()
{
Hwr.ClearLanguage(settingObj);
Hwr.AddLanguage(settingObj, Hwr.DLANG_KOREAN, Hwr.DTYPE_KOREAN);
Hwr.SetAttribute(settingObj);
MakeInputEvent(inkObj, ink_annyeonghaseyo);
int status = Hwr.Recognize(inkObj, resultObj);
PrintResult("Korean Test", status);
}
static void TestEnglish()
{
Hwr.ClearLanguage(settingObj);
Hwr.AddLanguage(settingObj, Hwr.DLANG_ENGLISH, Hwr.DTYPE_UPPERCASE | Hwr.DTYPE_LOWERCASE);
Hwr.SetAttribute(settingObj);
MakeInputEvent(inkObj, ink_good_morning);
int status = Hwr.Recognize(inkObj, resultObj);
PrintResult("English Test", status);
}
static void TestChinese()
{
Hwr.ClearLanguage(settingObj);
Hwr.AddLanguage(settingObj, Hwr.DLANG_CHINA, Hwr.DTYPE_SIMP);
Hwr.SetAttribute(settingObj);
MakeInputEvent(inkObj, ink_shanghai);
int status = Hwr.Recognize(inkObj, resultObj);
PrintResult("Chinese Test", status);
}
static void TestJapanese()
{
Hwr.ClearLanguage(settingObj);
Hwr.AddLanguage(settingObj, Hwr.DLANG_JAPANESE, Hwr.DTYPE_HIRAGANA);
Hwr.SetAttribute(settingObj);
MakeInputEvent(inkObj, ink_arigatou);
int status = Hwr.Recognize(inkObj, resultObj);
PrintResult("Japanese Test", status);
}
static int InitializeEngine()
{
int status = Hwr.Create("./license_key/license.key");
if (inkObj == IntPtr.Zero)
{
inkObj = Hwr.CreateInkObject();
}
if (settingObj == IntPtr.Zero)
{
settingObj = Hwr.CreateSettingObject();
}
if (resultObj == IntPtr.Zero)
{
resultObj = Hwr.CreateResultObject();
}
Hwr.SetExternalResourcePath("./hdb/");
Hwr.SetExternalLibraryPath("./lib/");
Hwr.SetRecognitionMode(settingObj, Hwr.MULTICHAR);
Hwr.SetCandidateSize(settingObj, MAX_CANDIDATES);
Console.WriteLine("HWR SDK Revision: {0}", Hwr.GetRevision());
Console.WriteLine("Initialize Engine ...{0}", status == Hwr.ERR_SUCCESS ? "Success" : "Failed");
return status;
}
static int DestroyEngine()
{
int status = Hwr.Close();
if (inkObj != IntPtr.Zero)
{
Hwr.DestroyInkObject(inkObj);
}
if (settingObj != IntPtr.Zero)
{
Hwr.DestroySettingObject(settingObj);
}
if (resultObj != IntPtr.Zero)
{
Hwr.DestroyResultObject(resultObj);
}
Console.WriteLine("Destroy Engine ...{0}", status == Hwr.ERR_SUCCESS ? "Success" : "Failed");
return status;
}
static void Main()
{
InitializeEngine();
TestKorean();
TestEnglish();
TestChinese();
TestJapanese();
DestroyEngine();
}
}
}
Raw
Hwr.cs
/*!
* @brief Handwriting APIs
* @date 2019/12/11
* @file Hwr.cs
* @author samu.s.ko
*
* Copyright 2019. SELVAS AI Inc. All Rights Reserved.
*/
using System;
using System.Runtime.InteropServices;
namespace Selvasai
{
class Hwr
{
// Gesture List --------------------------------------------------------
public const int GESTURE_LTOR = 1;
public const int GESTURE_RTOL = 2;
public const int GESTURE_DELETE = 3;
public const int GESTURE_BLACK = 4;
public const int GESTURE_ENTER = 5;
public const int GESTURE_MERGE = 6;
public const int GESTURE_AWAY = 7;
public const int GESTURE_INSERT = 8;
// Error Code ----------------------------------------------------------
/// <summary>
/// 성공
/// </summary>
public const int ERR_SUCCESS = 0;
/// <summary>
/// 인식결과가 없음
/// </summary>
public const int ERR_NORESULT = 1;
/// <summary>
/// Null Pointer를 참조함
/// </summary>
public const int ERR_NULL_POINTER = 2;
/// <summary>
/// memory access 범위를 벗어남 fatal error
/// </summary>
public const int ERR_OUTOFMEMORY = 3;
/// <summary>
/// value or size 범위를 벗어남 exception
/// </summary>
public const int ERR_OUTOFRANGE = 4;
/// <summary>
/// 입력된 데이터가 없음
/// </summary>
public const int ERR_EMPTY_INK = 5;
/// <summary>
/// 입력된 인자가 잘못됨
/// </summary>
public const int ERR_INVALID_ARGUMENTS = 6;
/// <summary>
/// 설정된 인식모델이 비정상적임
/// </summary>
public const int ERR_INVALID_MODEL = 7;
/// <summary>
/// 잘못된 객체에 접근
/// </summary>
public const int ERR_INVALID_INSTANCE = 8;
/// <summary>
/// 데모 기간/횟수 만료
/// </summary>
public const int ERR_EXPIRE_DEMO = 9;
/// <summary>
/// 엔진이 실행 중
/// </summary>
public const int ERR_ENGINE_BUSY = 10;
/// <summary>
/// 인증 실패
/// </summary>
public const int ERR_AUTHORIZATION_FAIL = 11;
/// <summary>
/// 엔진이 이미 존재함
/// </summary>
public const int ERR_ALREADY_EXIST = 12;
// Recognition Mode ----------------------------------------------------
/// <summary>
/// 낱자 인식
/// </summary>
public const int SINGLECHAR = 0;
/// <summary>
/// 여러 글자 인식
/// </summary>
public const int MULTICHAR = 1;
/// <summary>
/// 겹쳐 쓴 글자 인식
/// </summary>
public const int OVERLAPCHAR = 2;
/// <summary>
/// 여러 줄로 된 글자 인식
/// </summary>
public const int MULTILINE = 3;
// Language Mode -------------------------------------------------------
public const int DLANG_ENGLISH = 0;
public const int DLANG_ENGLISH_UK = 1;
public const int DLANG_ENGLISH_CA = 2;
public const int DLANG_ALBANIAN = 3;
public const int DLANG_AUSTRIA = 4;
public const int DLANG_BASQUE = 5;
public const int DLANG_CATALAN = 6;
public const int DLANG_CROATIAN = 7;
public const int DLANG_CZECH = 8;
public const int DLANG_DANISH = 9;
public const int DLANG_DUTCH = 10;
public const int DLANG_ESTONIAN = 11;
public const int DLANG_FINNISH = 12;
public const int DLANG_FRENCH = 13;
public const int DLANG_SPANISH = 14;
public const int DLANG_SPANISH_MX = 15;
public const int DLANG_HUNGARIAN = 16;
public const int DLANG_ICELANDIC = 17;
public const int DLANG_ITALIAN = 18;
public const int DLANG_LATVIAN = 19;
public const int DLANG_LITHUANIAN = 20;
public const int DLANG_BOKMAL = 21;
public const int DLANG_POLISH = 22;
public const int DLANG_PORTUGUESE = 23;
public const int DLANG_PORTUGUESEB = 24;
public const int DLANG_ROMANIAN = 25;
public const int DLANG_SLOVAK = 26;
public const int DLANG_SLOVENIAN = 27;
public const int DLANG_SWEDISH = 28;
public const int DLANG_TURKISH = 29;
public const int DLANG_VIETNAMESE = 30;
public const int DLANG_BELARUSIAN = 31;
public const int DLANG_BULGARIAN = 32;
// Greek
public const int DLANG_GREEK = 33;
// Cyrillic
public const int DLANG_KAZAKH = 34;
public const int DLANG_MACEDONIAN = 35;
public const int DLANG_MONGOLIAN = 36;
public const int DLANG_RUSSIAN = 37;
public const int DLANG_UKRAINIAN = 38;
// Latin, Cyrillic
public const int DLANG_SERBIAN = 39;
public const int DLANG_TATAR = 40;
// Oceania
public const int DLANG_FIJIAN = 41;
public const int DLANG_MAORI = 42;
public const int DLANG_SAMOAN = 43;
public const int DLANG_TAITIAN = 44;
public const int DLANG_TONGAN = 45;
// Africa
public const int DLANG_OROMO = 46;
public const int DLANG_SOTHO = 47;
public const int DLANG_SWAHILI = 48;
public const int DLANG_SWATI = 49;
public const int DLANG_XHOSA = 50;
public const int DLANG_ZULU = 51;
public const int DLANG_INDONESIAN = 52;
public const int DLANG_MALAY = 53;
public const int DLANG_GALICIAN = 54;
public const int DLANG_GERMANY = 55;
public const int DLANG_IRISH = 56;
public const int DLANG_AFRIKAANS = 57;
public const int DLANG_NYNORSK = 58;
public const int DLANG_DUTCH_BE = 59;
public const int DLANG_AZERBAIJANI = 60;
// CJK
public const int DLANG_KOREAN = 101;
public const int DLANG_CHINA = 102;
public const int DLANG_TAIWAN = 103;
public const int DLANG_HONGKONG = 104;
public const int DLANG_JAPANESE = 105;
// ARABIC
public const int DLANG_ARABIC = 106;
public const int DLANG_FARSI = 107;
public const int DLANG_URDU = 108;
// Devanagari
public const int DLANG_HINDI = 109;
public const int DLANG_BENGALI = 110;
// etc
public const int DLANG_HEBREW = 111;
public const int DLANG_THAI = 112;
// max
public const int DLANG_MAX = 113;
// Language Type -------------------------------------------------------
public const int DTYPE_NONE = (1 << 0);
public const int DTYPE_UPPERCASE = (1 << 1);
public const int DTYPE_LOWERCASE = (1 << 2);
public const int DTYPE_CONSONANT = (1 << 3);
public const int DTYPE_VOWEL = (1 << 4);
public const int DTYPE_TONE = (1 << 5);
public const int DTYPE_NUMERIC = (1 << 6);
public const int DTYPE_SIGN = (1 << 7);
// JAPANESE
public const int DTYPE_HIRAGANA = (1 << 8);
public const int DTYPE_KATAKANA = (1 << 9);
public const int DTYPE_KANJI = (1 << 10);
// CHINA, TAIWAN, HONGKONG
public const int DTYPE_SIMP = (1 << 11);
public const int DTYPE_TRAD = (1 << 12);
public const int DTYPE_RADICAL = (1 << 13);
// SERBIAN, TATAR
public const int DTYPE_LATIN = (1 << 14);
public const int DTYPE_CYRILLIC = (1 << 15);
// ARABIC, FARSI, URDU
public const int DTYPE_ARABIC = (1 << 16);
// HEBREW
public const int DTYPE_HEBREW = (1 << 17);
// BENGALI, HINDI
public const int DTYPE_DEVANAGARI = (1 << 18);
// KOREAN
public const int DTYPE_KOREAN = (1 << 19);
public const int DTYPE_HANJA = (1 << 20);
// gesture for editing (space, backspace 등)
public const int DTYPE_GESTURE = (1 << 21);
// Param type ----------------------------------------------------------
public const int LOG_LEVEL = 0;
public const int LOG_CALLBACK = 1;
public const int WRITE_INK = 2;
public const int LANG_MODEL = 3;
// Log level -----------------------------------------------------------
public const int LEVEL_NONE = 0;
public const int LEVEL_ERROR = 1;
public const int LEVEL_WARN = 2;
public const int LEVEL_INFO = 3;
public const int LEVEL_DEBUG = 4;
// Main APIs -----------------------------------------------------------
/// <summary>
/// 인식엔진의 인스턴스를 생성함
/// </summary>
/// <param name="keyPath">[in] 파일명을 포함한 License key 파일의 경로</param>
/// <returns>에러 코드 값</returns>
[DllImport("libdhwr.dll", EntryPoint = "DHWRCreate")]
public static extern int Create(String keyPath);
/// <summary>
/// 인식모드 속성 값을 설정함
/// </summary>
/// <param name="setting">[in] setting 설정이 완료된 Setting Object</param>
/// <returns>에러 코드 값</returns>
[DllImport("libdhwr.dll", EntryPoint = "DHWRSetAttribute")]
public static extern int SetAttribute(IntPtr setting);
/// <summary>
/// 인식모드 속성 값에 따라 입력 데이터를 인식함
/// </summary>
/// <param name="ink">[in] ink 좌표가 입력된 Ink Object</param>
/// <param name="result">[out] 인식된 결과가 저장된 Result Object</param>
/// <returns>에러 코드 값</returns>
[DllImport("libdhwr.dll", EntryPoint = "DHWRecognize")]
public static extern int Recognize(IntPtr ink, IntPtr result);
/// <summary>
/// 인식엔진의 인스턴스를 소멸시킴
/// </summary>
/// <returns>에러 코드 값</returns>
[DllImport("libdhwr.dll", EntryPoint = "DHWRClose")]
public static extern int Close();
// Optional APIs -------------------------------------------------------
/// <summary>
/// 엔진내부에서 사용하는 외부리소스(언어모델 파일 등)의 경로 설정
/// </summary>
/// <param name="path">[in] path 리소스 경로</param>
/// <returns>에러 코드 값</returns>
[DllImport("libdhwr.dll", EntryPoint = "DHWRSetExternalResourcePath")]
public static extern int SetExternalResourcePath(String path);
/// <summary>
/// 엔진내부에서 사용하는 외부라이브러리의 경로 설정
/// </summary>
/// <param name="path">[in] path 외부라이브러리의 경로</param>
/// <returns>에러 코드 값</returns>
[DllImport("libdhwr.dll", EntryPoint = "DHWRSetExternalLibraryPath")]
public static extern int SetExternalLibraryPath(String path);
/// <summary>
/// 특정 타입의 파라미터 값을 가져옴
/// </summary>
/// <param name="type">[in] 파라미터 타입</param>
/// <param name="param">[out] 특정 파리미터 타입의 포인터</param>
/// <returns>에러 코드 값</returns>
[DllImport("libdhwr.dll", EntryPoint = "DHWRGetParam")]
public static extern int GetParam(int type, [In, Out] ref int param);
/// <summary>
/// 특정 타입의 파라미터 값을 설정함
/// </summary>
/// <param name="type">[in] 파라미터 타입</param>
/// <param name="param">[in] 특정 파리미터 타입의 포인터</param>
/// <returns></returns>
[DllImport("libdhwr.dll", EntryPoint = "DHWRSetParam")]
public static extern int SetParam(int type, [In, Out] ref int param);
/// <summary>
/// 엔진의 빌드넘버 스트링의 포인터를 가져옴
/// </summary>
/// <param name="revision">[out] 엔진 빌드넘버</param>
/// <returns>에러 코드 값</returns>
[DllImport("libdhwr.dll", EntryPoint = "DHWRGetRevision")]
public static extern int GetRevisionPtr(IntPtr[] revision);
/// <summary>
/// 엔진의 빌드넘버 스트링을 반환
/// </summary>
/// <returns>엔진의 빌드넘버 스트링</returns>
public static String GetRevision()
{
IntPtr[] version = new IntPtr[1];
Hwr.GetRevisionPtr(version);
return Marshal.PtrToStringAnsi(version[0]);
}
/// <summary>
/// License key에 설정된 엔진의 due date를 가져온다
/// </summary>
/// <param name="due_date">[out] 년월일을 나타내는 8자리의 integer 값 (ex 20161206)</param>
/// <returns>에러 코드 값</returns>
[DllImport("libdhwr.dll", EntryPoint = "DHWRGetDueDate")]
public static extern int GetDueDate([In, Out] ref int due_date);
// SettingObject APIs --------------------------------------------------
/// <summary>
/// 설정 오브젝트를 생성한다
/// </summary>
/// <returns>설정 오브젝트</returns>
[DllImport("libdhwr.dll", EntryPoint = "DHWRCreateSettingObject")]
public static extern IntPtr CreateSettingObject();
/// <summary>
/// 설정 오브젝트를 제거한다
/// </summary>
/// <param name="setting">[in] 설정 오브젝트</param>
[DllImport("libdhwr.dll", EntryPoint = "DHWRDestroySettingObject")]
public static extern void DestroySettingObject(IntPtr setting);
/// <summary>
/// 필기 인식 모드를 설정한다(낱자, 연속)
/// </summary>
/// <param name="setting"> [in] 설정 오브젝트</param>
/// <param name="mode">[in] 인식 모드</param>
/// <returns>에러 코드 값</returns>
[DllImport("libdhwr.dll", EntryPoint = "DHWRSetRecognitionMode")]
public static extern int SetRecognitionMode(IntPtr setting, int mode);
/// <summary>
/// 인식 후보 출력 크기를 설정한다
/// </summary>
/// <param name="setting">[in] 설정 오브젝트</param>
/// <param name="size">[in] 후보수</param>
/// <returns>에러 코드 값</returns>
[DllImport("libdhwr.dll", EntryPoint = "DHWRSetCandidateSize")]
public static extern int SetCandidateSize(IntPtr setting, int size);
/// <summary>
/// 인식할 언어를 추가 한다
/// </summary>
/// <param name="setting">[in] 설정 오브젝트</param>
/// <param name="language">[in] 언어 값</param>
/// <param name="option">[in] 따른 옵션</param>
/// <returns>에러 코드 값</returns>
[DllImport("libdhwr.dll", EntryPoint = "DHWRAddLanguage")]
public static extern int AddLanguage(IntPtr setting, int language, int option);
/// <summary>
/// 설정된 언어 크기를 가져온다
/// </summary>
/// <param name="setting">[in] 설정 오브젝트</param>
/// <param name="size">[out] 크기</param>
/// <returns>에러 코드 값</returns>
[DllImport("libdhwr.dll", EntryPoint = "DHWRGetLanguageSize")]
public static extern int GetLanguageSize(IntPtr setting, [In, Out] ref int size);
/// <summary>
/// 설정된 언어를 초기화 한다
/// </summary>
/// <param name="setting">[in] 설정 오브젝트</param>
/// <returns>에러 코드 값</returns>
[DllImport("libdhwr.dll", EntryPoint = "DHWRClearLanguage")]
public static extern int ClearLanguage(IntPtr setting);
/// <summary>
/// 인식할 심볼을 정의
/// </summary>
/// <param name="setting">[in] 설정 오브젝트</param>
/// <param name="charset">[in] 인식할 심볼의 리스트</param>
/// <returns>에러 코드 값</returns>
[DllImport("libdhwr.dll", EntryPoint = "DHWRSetUserCharSet")]
public static extern int SetUserCharSet(IntPtr setting, [In] ushort[] charset);
// InkObject APIs ------------------------------------------------------
/// <summary>
/// 잉크 오브젝트를 생성한다
/// </summary>
/// <returns>잉크 오브젝트</returns>
[DllImport("libdhwr.dll", EntryPoint = "DHWRCreateInkObject")]
public static extern IntPtr CreateInkObject();
/// <summary>
/// 잉크 오브젝트를 제거한다
/// </summary>
/// <param name="ink">[in] 잉크 오브젝트</param>
[DllImport("libdhwr.dll", EntryPoint = "DHWRDestroyInkObject")]
public static extern void DestroyInkObject(IntPtr ink);
/// <summary>
/// 인식엔진에서 인식할 터치 좌표(잉크 좌표)를 추가함
/// </summary>
/// <param name="ink">[in] ink 잉크 오브젝트</param>
/// <param name="x">[in] x좌표</param>
/// <param name="y">[in] y좌표</param>
/// <returns>에러 코드 값</returns>
[DllImport("libdhwr.dll", EntryPoint = "DHWRAddPoint")]
public static extern int AddPoint(IntPtr ink, int x, int y);
/// <summary>
/// TouchUp 이벤트에 의해 한 획의 입력을 마쳤을 때 호출함
/// </summary>
/// <param name="ink">[in] 잉크 오브젝트</param>
/// <returns>에러 코드 값</returns>
[DllImport("libdhwr.dll", EntryPoint = "DHWREndStroke")]
public static extern int EndStroke(IntPtr ink);
/// <summary>
/// 입력한 좌표 데이터를 초기화함
/// </summary>
/// <param name="ink">[in] 잉크 오브젝트</param>
/// <returns>에러 코드 값</returns>
[DllImport("libdhwr.dll", EntryPoint = "DHWRInkClear")]
public static extern int InkClear(IntPtr ink);
/// <summary>
/// 입력된 잉크 인덱스 값에 해당하는 잉크 좌표값을 받아옴
/// </summary>
/// <param name="ink">[in] 잉크 오브젝트</param>
/// <param name="index">[in] 받아오고자 하는 잉크의 인덱스</param>
/// <param name="x">[out] 해당 잉크의 x좌표값</param>
/// <param name="y">[out] 해당 잉크의 y좌표값</param>
/// <returns>에러 코드 값</returns>
[DllImport("libdhwr.dll", EntryPoint = "DHWRGetInkPoint")]
public static extern int GetInkPoint(IntPtr ink, int index, [In, Out] ref int x, [In, Out] ref int y);
/// <summary>
/// 현재까지 입력된 잉크의 카운트
/// </summary>
/// <param name="ink">[in] 잉크 오브젝트</param>
/// <param name="count">[out] 잉크 카운트</param>
/// <returns>에러 코드 값</returns>
[DllImport("libdhwr.dll", EntryPoint = "DHWRGetInkCount")]
public static extern int GetInkCount(IntPtr ink, [In, Out] ref int count);
// ResultObject APIs ---------------------------------------------------
/// <summary>
/// 결과 오브젝트를 생성한다
/// </summary>
/// <returns>에러 코드 값</returns>
[DllImport("libdhwr.dll", EntryPoint = "DHWRCreateResultObject")]
public static extern IntPtr CreateResultObject();
/// <summary>
/// 결과 오브젝트를 제거한다
/// </summary>
/// <param name="result">[in] 결과 오브젝트</param>
[DllImport("libdhwr.dll", EntryPoint = "DHWRDestroyResultObject")]
public static extern void DestroyResultObject(IntPtr result);
/// <summary>
/// 결과 값의 라인 크기를 가져온다
/// </summary>
/// <param name="ink">[in] 결과 오브젝트</param>
/// <returns>Line Size</returns>
[DllImport("libdhwr.dll", EntryPoint = "DHWRGetLineSize")]
public static extern int GetLineSize(IntPtr ink);
/// <summary>
/// 지정된 인덱스의 라인 결과를 가져온다
/// </summary>
/// <param name="result">[in] 결과 오브젝트</param>
/// <param name="index">[in] 라인 인덱스</param>
/// <returns>라인 결과</returns>
[DllImport("libdhwr.dll", EntryPoint = "DHWRGetLine")]
public static extern IntPtr GetLine(IntPtr result, int index);
/// <summary>
/// 라인 결과 값의 블럭 크기를 가져온다
/// </summary>
/// <param name="line">[in] 라인 결과 값</param>
/// <returns>Block Size</returns>
[DllImport("libdhwr.dll", EntryPoint = "DHWRGetBlockSize")]
public static extern int GetBlockSize(IntPtr line);
/// <summary>
/// 라인 결과 값의 지정된 인덱스의 블럭 결과를 가져온다
/// </summary>
/// <param name="line">[in] 라인</param>
/// <param name="index">[in] 블럭 인덱스</param>
/// <returns>블럭 결과</returns>
[DllImport("libdhwr.dll", EntryPoint = "DHWRGetBlock")]
public static extern IntPtr GetBlock(IntPtr line, int index);
/// <summary>
/// 블럭 결과 값의 처리된 획의 개수를 얻어온다
/// </summary>
/// <param name="block">[in] 블럭 결과 값</param>
/// <returns>Stroke Size</returns>
[DllImport("libdhwr.dll", EntryPoint = "DHWRGetStrokeSize")]
public static extern int GetStrokeSize(IntPtr block);
/// <summary>
/// 블럭 결과값의 처리된 획의 인덱스들을 얻어온다
/// </summary>
/// <param name="block">[in] 블럭 결과 값</param>
/// <param name="indices">[out] 인덱스 포인터</param>
/// <param name="size">[in] 인덱스 포인터 사이즈</param>
/// <returns>에러 코드 값</returns>
[DllImport("libdhwr.dll", EntryPoint = "DHWRGetStrokeIndices")]
public static extern int GetStrokeIndices(IntPtr block, [In, Out] ref int indices, int size);
/// <summary>
/// 블럭 결과 값에서 후보 크기를 가져온다
/// </summary>
/// <param name="block">[in] 블럭 결과 값</param>
/// <returns>Candidate Size</returns>
[DllImport("libdhwr.dll", EntryPoint = "DHWRGetCandidateSize")]
public static extern int GetCandidateSize(IntPtr block);
/// <summary>
/// 블럭 결과 값에서 인식 후보문자의 포인터를 반환한다
/// </summary>
/// <param name="block">[in] 블럭 결과 값</param>
/// <param name="index">[in] 후보 인덱스</param>
/// <param name="length">[out] 인식후보 문자열 크기</param>
/// <returns>후보문자의 포인터</returns>
[DllImport("libdhwr.dll", EntryPoint = "DHWRGetCandidate")]
public static extern IntPtr GetCandidatePtr(IntPtr block, int index, [In, Out] ref int length);
/// <summary>
/// 블럭 결과 값에서 인식된 후보문자를 반환한다
/// </summary>
/// <param name="block">[in] 블럭 결과 값</param>
/// <param name="index">[in] 후보 인덱스</param>
/// <param name="length">[out] 인식후보 문자열 크기</param>
/// <returns>후보문자</returns>
public static String GetCandidate(IntPtr block, int index, [In, Out] ref int length)
{
return Marshal.PtrToStringUni(GetCandidatePtr(block, index, ref length));
}
}
}
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