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/*******************************************************************************/ /* * File name: Mdmr.cpp * 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 */ #include <mil.h> /* MIL file specifications. */ #define IMAGE_FILE_TO_READ M_IMAGE_PATH MIL_TEXT("ExpiryDateAndLot.mim") #define FONT_FILE_TO_IMPORT M_CONTEXT_PATH MIL_TEXT("ExpiryDateAndLotFont5x7.mdmrf") /* Dot Matrix Reader settings. */ const MIL_DOUBLE STRING_DOT_DIAMETER = 6.0; const MIL_DOUBLE STRING_BOX_WIDTH = 400; const MIL_DOUBLE STRING_BOX_HEIGHT = 100; const MIL_INT EXPIRY_DATE_LENGTH = 7; const MIL_INT LOT_NUMBER_LENGTH = 7; /* Util. */ const MIL_INT TEXT_MAX_SIZE = 128; /*****************************************************************************/ /* Main. */ int MosMain(void) { MIL_ID MilApplication, /* Application identifier. */ MilSystem, /* System identifier. */ MilDisplay, /* Display identifier. */ MilImage, /* Image buffer identifier. */ MilOverlay, /* Overlay image. */ MilDmrContext, /* Dot Matrix context identifier. */ MilDmrResult; /* Dot Matrix result identifier. */ MIL_INT NumberOfStrings = 0, /* Total number of strings to read. */ StringSize = 0, /* Number of strings characters. */ StringModelIndex = 0, /* String model index. */ Index = 0; /* Result index. */ MIL_TEXT_CHAR StringResult[TEXT_MAX_SIZE + 1], /* String of characters read. */ PrintText[TEXT_MAX_SIZE + 1]; /* Util text. */ /* Print module name. */ MosPrintf(MIL_TEXT("\nDOT MATRIX READER (SureDotOCR) MODULE:\n")); MosPrintf(MIL_TEXT("--------------------------------------\n\n")); /* Allocate defaults. */ MappAllocDefault(M_DEFAULT, &MilApplication, &MilSystem, &MilDisplay, M_NULL, M_NULL); /* Restore the font definition image. */ MbufRestore(IMAGE_FILE_TO_READ, MilSystem, &MilImage); /* Display the image and prepare for overlay annotations. */ MdispSelect(MilDisplay, MilImage); MdispControl(MilDisplay, M_OVERLAY, M_ENABLE); MdispInquire(MilDisplay, M_OVERLAY_ID, &MilOverlay); /* Allocate a new empty Dot Matrix Reader context. */ MdmrAlloc(MilSystem, M_DOT_MATRIX, M_DEFAULT, &MilDmrContext); /* Allocate a new empty Dot Matrix Reader result buffer. */ MdmrAllocResult(MilSystem, M_DOT_MATRIX, M_DEFAULT, &MilDmrResult); /* Import a Dot Matrix font. */ MdmrImportFont(FONT_FILE_TO_IMPORT, M_DMR_FONT_FILE, MilDmrContext, M_DEFAULT, M_NULL, M_DEFAULT); /* Add a new string model definition for the product lot number. */ /* ------------------------------------------------------------- */ MdmrControl(MilDmrContext, M_STRING_ADD, M_DEFAULT); /* Set the string model rank and size. */ MdmrControlStringModel(MilDmrContext, M_STRING_INDEX(0), M_DEFAULT, M_STRING_RANK, 1, M_DEFAULT, M_NULL); MdmrControlStringModel(MilDmrContext, M_STRING_INDEX(0), M_DEFAULT, M_STRING_SIZE_MIN_MAX, LOT_NUMBER_LENGTH, LOT_NUMBER_LENGTH, M_NULL); /* Add a new string model definition for the expiry date (YYYY MM DD). */ /* ------------------------------------------------------------------- */ MdmrControl(MilDmrContext, M_STRING_ADD, M_DEFAULT); /* Set the string model rank and size. */ MdmrControlStringModel(MilDmrContext, M_STRING_INDEX(1), M_DEFAULT, M_STRING_RANK, 0, M_DEFAULT, M_NULL); MdmrControlStringModel(MilDmrContext, M_STRING_INDEX(1), M_DEFAULT, M_STRING_SIZE_MIN_MAX, EXPIRY_DATE_LENGTH, EXPIRY_DATE_LENGTH, M_NULL); /* Set the string model constraint for an expiry date (DDMMMYY). */ MdmrControlStringModel(MilDmrContext, M_STRING_INDEX(1), M_POSITION_IN_STRING(0), M_ADD_PERMITTED_CHARS_ENTRY, M_FONT_LABEL(M_ANY), M_DIGITS, M_NULL); MdmrControlStringModel(MilDmrContext, M_STRING_INDEX(1), M_POSITION_IN_STRING(1), M_ADD_PERMITTED_CHARS_ENTRY, M_FONT_LABEL(M_ANY), M_DIGITS, M_NULL); MdmrControlStringModel(MilDmrContext, M_STRING_INDEX(1), M_POSITION_IN_STRING(2), M_ADD_PERMITTED_CHARS_ENTRY, M_FONT_LABEL(M_ANY), M_LETTERS_UPPERCASE, M_NULL); MdmrControlStringModel(MilDmrContext, M_STRING_INDEX(1), M_POSITION_IN_STRING(3), M_ADD_PERMITTED_CHARS_ENTRY, M_FONT_LABEL(M_ANY), M_LETTERS_UPPERCASE, M_NULL); MdmrControlStringModel(MilDmrContext, M_STRING_INDEX(1), M_POSITION_IN_STRING(4), M_ADD_PERMITTED_CHARS_ENTRY, M_FONT_LABEL(M_ANY), M_LETTERS_UPPERCASE, M_NULL); MdmrControlStringModel(MilDmrContext, M_STRING_INDEX(1), M_POSITION_IN_STRING(5), M_ADD_PERMITTED_CHARS_ENTRY, M_FONT_LABEL(M_ANY), M_DIGITS, M_NULL); MdmrControlStringModel(MilDmrContext, M_STRING_INDEX(1), M_POSITION_IN_STRING(6), M_ADD_PERMITTED_CHARS_ENTRY, M_FONT_LABEL(M_ANY), M_DIGITS, M_NULL); MosPrintf(MIL_TEXT("A Dot Matrix Reader (SureDotOCR) context was set up to read\n") MIL_TEXT("an expiry date and a lot number from a target image.\n\n")); /* Set the Dot Matrix dot diameter. */ MdmrControl(MilDmrContext, M_DOT_DIAMETER, STRING_DOT_DIAMETER); /* Set the maximum size of the string box. */ MdmrControl(MilDmrContext, M_STRING_BOX_WIDTH, STRING_BOX_WIDTH); MdmrControl(MilDmrContext, M_STRING_BOX_HEIGHT, STRING_BOX_HEIGHT); /* Preprocess the context. */ MdmrPreprocess(MilDmrContext, M_DEFAULT); /* Reading the string from a target image. */ MdmrRead(MilDmrContext, MilImage, MilDmrResult, M_DEFAULT); /* Get number of strings read and show the result. */ MdmrGetResult(MilDmrResult, M_GENERAL, M_DEFAULT, M_STRING_NUMBER + M_TYPE_MIL_INT, &NumberOfStrings); /* Draw the read result. */ MgraColor(M_DEFAULT, M_COLOR_GREEN); MdmrDraw(M_DEFAULT, MilDmrResult, MilOverlay, M_DRAW_STRING_CHAR_BOX, M_DEFAULT, M_DEFAULT, M_DEFAULT); MgraColor(M_DEFAULT, M_COLOR_CYAN); MdmrDraw(M_DEFAULT, MilDmrResult, MilOverlay, M_DRAW_STRING_CHAR_POSITION, M_DEFAULT, M_DEFAULT, M_DEFAULT); if( NumberOfStrings > 0) { MosPrintf(MIL_TEXT("Result: %d strings have been read:\n\n"), NumberOfStrings); for (Index = 0; Index < NumberOfStrings; Index++) { /* Print the read result. */ MdmrGetResult(MilDmrResult, Index, M_GENERAL, M_STRING_MODEL_INDEX + M_TYPE_MIL_INT, &StringModelIndex); MdmrGetResult(MilDmrResult, Index, M_GENERAL, M_STRING + M_STRING_SIZE + M_TYPE_MIL_INT, &StringSize); MdmrGetResult(MilDmrResult, Index, M_GENERAL, M_STRING + M_TYPE_STRING, &StringResult[0]); switch (StringModelIndex) { case 0: MosSprintf(PrintText, TEXT_MAX_SIZE, MIL_TEXT(" LOT# : %s "), StringResult); MgraText(M_DEFAULT, MilOverlay, 20, 20 + Index * 20, PrintText); MosPrintf(MIL_TEXT(" LOT# : %s\n"), StringResult); break; case 1: MosSprintf(PrintText, TEXT_MAX_SIZE, MIL_TEXT(" EXP. : %s "), StringResult); MgraText(M_DEFAULT, MilOverlay, 20, 20 + Index * 20, PrintText); MosPrintf(MIL_TEXT(" EXPIRY DATE: %s\n"), StringResult); break; default: MosPrintf(MIL_TEXT("Unexpected model index\n")); break; } } } else { MosPrintf(MIL_TEXT("Error: no string found.\n")); } /* Pause to show results. */ MosPrintf(MIL_TEXT("\nPress <Enter> to end.\n\n")); MosGetch(); /* Free all allocations. */ MdmrFree(MilDmrContext); MdmrFree(MilDmrResult); MbufFree(MilImage); /* Free defaults. */ MappFreeDefault(MilApplication, MilSystem, MilDisplay, M_NULL, M_NULL); return 0; }