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//****************************************************************************** // // File name: Mdmr.cs // Location: See Matrox Example Launcher in the MIL Control Center // // // Synopsis: This program uses the Dot Matrix Reader (SureDotOCR) module to read // a product expiry date and lot number printed using a CIJ printer. // // Copyright (C) Matrox Electronic Systems Ltd., 1992-2016. // All Rights Reserved // using System; using System.Text; using Matrox.MatroxImagingLibrary; namespace Mdmr { class Program { // MIL file specifications. const string IMAGE_FILE_TO_READ = MIL.M_IMAGE_PATH + "ExpiryDateAndLot.mim"; const string FONT_FILE_TO_IMPORT = MIL.M_CONTEXT_PATH + "ExpiryDateAndLotFont5x7.mdmrf"; // Dot Matrix Reader settings. const double STRING_DOT_DIAMETER = 6.0; const double STRING_BOX_WIDTH = 400; const double STRING_BOX_HEIGHT = 100; static readonly MIL_INT EXPIRY_DATE_LENGTH = 7; static readonly MIL_INT LOT_NUMBER_LENGTH = 7; // Util. const int TEXT_MAX_SIZE = 128; static void Main(string[] args) { MIL_ID MilApplication = MIL.M_NULL; // Application identifier. MIL_ID MilSystem = MIL.M_NULL; // System identifier. MIL_ID MilDisplay = MIL.M_NULL; // Display identifier. MIL_ID MilImage = MIL.M_NULL; // Image buffer identifier. MIL_ID MilOverlay = MIL.M_NULL; // Overlay image. MIL_ID MilDmrContext = MIL.M_NULL; // Dot Matrix context identifier. MIL_ID MilDmrResult = MIL.M_NULL; // Dot Matrix result identifier. MIL_INT NumberOfStrings = 0; // Total number of strings to read. MIL_INT StringSize = 0; // Number of strings characters. MIL_INT StringModelIndex = 0; // String model index. MIL_INT Index = 0; // Result index. StringBuilder StringResult = new StringBuilder(TEXT_MAX_SIZE + 1); // String of characters read. string PrintText; // Util text. // Print module name. Console.Write("\nDOT MATRIX READER (SureDotOCR) MODULE:\n"); Console.Write("--------------------------------------\n\n"); // Allocate defaults MIL.MappAllocDefault(MIL.M_DEFAULT, ref MilApplication, ref MilSystem, ref MilDisplay, MIL.M_NULL, MIL.M_NULL); // Restore the font definition image MIL.MbufRestore(IMAGE_FILE_TO_READ, MilSystem, ref MilImage); // Display the image and prepare for overlay annotations. MIL.MdispSelect(MilDisplay, MilImage); MIL.MdispControl(MilDisplay, MIL.M_OVERLAY, MIL.M_ENABLE); MIL.MdispInquire(MilDisplay, MIL.M_OVERLAY_ID, ref MilOverlay); // Allocate a new empty Dot Matrix Reader context. MIL.MdmrAlloc(MilSystem, MIL.M_DOT_MATRIX, MIL.M_DEFAULT, ref MilDmrContext); // Allocate a new empty Dot Matrix Reader result buffer. MIL.MdmrAllocResult(MilSystem, MIL.M_DOT_MATRIX, MIL.M_DEFAULT, ref MilDmrResult); // Import a Dot Matrix font. MIL.MdmrImportFont(FONT_FILE_TO_IMPORT, MIL.M_DMR_FONT_FILE, MilDmrContext, MIL.M_DEFAULT, MIL.M_NULL, MIL.M_DEFAULT); // Add a new string model definition for the product lot number. // ------------------------------------------------------------- MIL.MdmrControl(MilDmrContext, MIL.M_STRING_ADD, MIL.M_DEFAULT); // Set the string model rank and size MIL.MdmrControlStringModel(MilDmrContext, MIL.M_STRING_INDEX(0), MIL.M_DEFAULT, MIL.M_STRING_RANK, 1, MIL.M_DEFAULT, MIL.M_NULL); MIL.MdmrControlStringModel(MilDmrContext, MIL.M_STRING_INDEX(0), MIL.M_DEFAULT, MIL.M_STRING_SIZE_MIN_MAX, LOT_NUMBER_LENGTH, LOT_NUMBER_LENGTH, MIL.M_NULL); // Add a new string model definition for the expiry date (YYYY MM DD). // ------------------------------------------------------------------- MIL.MdmrControl(MilDmrContext, MIL.M_STRING_ADD, MIL.M_DEFAULT); // Set the string model rank and size MIL.MdmrControlStringModel(MilDmrContext, MIL.M_STRING_INDEX(1), MIL.M_DEFAULT, MIL.M_STRING_RANK, 0, MIL.M_DEFAULT, MIL.M_NULL); MIL.MdmrControlStringModel(MilDmrContext, MIL.M_STRING_INDEX(1), MIL.M_DEFAULT, MIL.M_STRING_SIZE_MIN_MAX, EXPIRY_DATE_LENGTH, EXPIRY_DATE_LENGTH, MIL.M_NULL); // Set the string model constraint for an expiry date (DDMMMYY). MIL.MdmrControlStringModel(MilDmrContext, MIL.M_STRING_INDEX(1), MIL.M_POSITION_IN_STRING(0), MIL.M_ADD_PERMITTED_CHARS_ENTRY, MIL.M_FONT_LABEL(MIL.M_ANY), MIL.M_DIGITS, MIL.M_NULL); MIL.MdmrControlStringModel(MilDmrContext, MIL.M_STRING_INDEX(1), MIL.M_POSITION_IN_STRING(1), MIL.M_ADD_PERMITTED_CHARS_ENTRY, MIL.M_FONT_LABEL(MIL.M_ANY), MIL.M_DIGITS, MIL.M_NULL); MIL.MdmrControlStringModel(MilDmrContext, MIL.M_STRING_INDEX(1), MIL.M_POSITION_IN_STRING(2), MIL.M_ADD_PERMITTED_CHARS_ENTRY, MIL.M_FONT_LABEL(MIL.M_ANY), MIL.M_LETTERS_UPPERCASE, MIL.M_NULL); MIL.MdmrControlStringModel(MilDmrContext, MIL.M_STRING_INDEX(1), MIL.M_POSITION_IN_STRING(3), MIL.M_ADD_PERMITTED_CHARS_ENTRY, MIL.M_FONT_LABEL(MIL.M_ANY), MIL.M_LETTERS_UPPERCASE, MIL.M_NULL); MIL.MdmrControlStringModel(MilDmrContext, MIL.M_STRING_INDEX(1), MIL.M_POSITION_IN_STRING(4), MIL.M_ADD_PERMITTED_CHARS_ENTRY, MIL.M_FONT_LABEL(MIL.M_ANY), MIL.M_LETTERS_UPPERCASE, MIL.M_NULL); MIL.MdmrControlStringModel(MilDmrContext, MIL.M_STRING_INDEX(1), MIL.M_POSITION_IN_STRING(5), MIL.M_ADD_PERMITTED_CHARS_ENTRY, MIL.M_FONT_LABEL(MIL.M_ANY), MIL.M_DIGITS, MIL.M_NULL); MIL.MdmrControlStringModel(MilDmrContext, MIL.M_STRING_INDEX(1), MIL.M_POSITION_IN_STRING(6), MIL.M_ADD_PERMITTED_CHARS_ENTRY, MIL.M_FONT_LABEL(MIL.M_ANY), MIL.M_DIGITS, MIL.M_NULL); Console.Write("A Dot Matrix Reader (SureDotOCR) context was set up to read\n" + "an expiry date and a lot number from a target image.\n\n"); // Set the Dot Matrix dot diameter. MIL.MdmrControl(MilDmrContext, MIL.M_DOT_DIAMETER, STRING_DOT_DIAMETER); // Set the maximum size of the string box. MIL.MdmrControl(MilDmrContext, MIL.M_STRING_BOX_WIDTH, STRING_BOX_WIDTH); MIL.MdmrControl(MilDmrContext, MIL.M_STRING_BOX_HEIGHT, STRING_BOX_HEIGHT); // Preprocess the context. MIL.MdmrPreprocess(MilDmrContext, MIL.M_DEFAULT); // Reading the string from a target image. MIL.MdmrRead(MilDmrContext, MilImage, MilDmrResult, MIL.M_DEFAULT); // Get number of strings read and show the result. MIL.MdmrGetResult(MilDmrResult, MIL.M_GENERAL, MIL.M_DEFAULT, MIL.M_STRING_NUMBER + MIL.M_TYPE_MIL_INT, ref NumberOfStrings); // Draw the read result. MIL.MgraColor(MIL.M_DEFAULT, MIL.M_COLOR_GREEN); MIL.MdmrDraw(MIL.M_DEFAULT, MilDmrResult, MilOverlay, MIL.M_DRAW_STRING_CHAR_BOX, MIL.M_DEFAULT, MIL.M_DEFAULT, MIL.M_DEFAULT); MIL.MgraColor(MIL.M_DEFAULT, MIL.M_COLOR_CYAN); MIL.MdmrDraw(MIL.M_DEFAULT, MilDmrResult, MilOverlay, MIL.M_DRAW_STRING_CHAR_POSITION, MIL.M_DEFAULT, MIL.M_DEFAULT, MIL.M_DEFAULT); if (NumberOfStrings > 0) { Console.Write("Result: {0} strings have been read:\n\n", NumberOfStrings); for (Index = 0; Index < NumberOfStrings; Index++) { // Print the read result. MIL.MdmrGetResult(MilDmrResult, Index, MIL.M_GENERAL, MIL.M_STRING_MODEL_INDEX + MIL.M_TYPE_MIL_INT, ref StringModelIndex); MIL.MdmrGetResult(MilDmrResult, Index, MIL.M_GENERAL, MIL.M_STRING + MIL.M_STRING_SIZE + MIL.M_TYPE_MIL_INT, ref StringSize); MIL.MdmrGetResult(MilDmrResult, Index, MIL.M_GENERAL, MIL.M_STRING + MIL.M_TYPE_STRING, StringResult); switch ((int)StringModelIndex) { case 0: PrintText = string.Format(" LOT# : {0} ", StringResult); MIL.MgraText(MIL.M_DEFAULT, MilOverlay, 20, 20 + Index * 20, PrintText); Console.Write(" LOT# : {0}\n", StringResult); break; case 1: PrintText = string.Format(" EXP. : {0} ", StringResult); MIL.MgraText(MIL.M_DEFAULT, MilOverlay, 20, 20 + Index * 20, PrintText.ToString()); Console.Write(" EXPIRY DATE: {0}\n", StringResult); break; default: Console.Write("Unexpected model index\n"); break; } } } else { Console.Write("Error: no string found.\n"); } // Pause to show results. Console.Write("\nPress <Enter> to end.\n\n"); Console.ReadKey(); // Free all allocations. MIL.MdmrFree(MilDmrContext); MIL.MdmrFree(MilDmrResult); MIL.MbufFree(MilImage); // Free defaults. MIL.MappFreeDefault(MilApplication, MilSystem, MilDisplay, MIL.M_NULL, MIL.M_NULL); } } }