/** * libdmtx - Data Matrix Encoding/Decoding Library * Copyright 2008, 2009 Mike Laughton. All rights reserved. * Copyright 2012-2016 Vadim A. Misbakh-Soloviov. All rights reserved. * Copyright 2016 Tim Zaman. All rights reserved. * * See LICENSE file in the main project directory for full * terms of use and distribution. * * Contact: * Vadim A. Misbakh-Soloviov * Mike Laughton * * \file dmtx.h * \brief Main libdmtx header */ #ifndef __DMTX_H__ #define __DMTX_H__ #ifdef __cplusplus extern "C" { #endif /* Time headers required for DmtxTime struct below */ #include #ifdef HAVE_SYS_TIME_H #include #endif #ifndef M_PI #define M_PI 3.14159265358979323846 #endif #ifndef M_PI_2 #define M_PI_2 1.57079632679489661923 #endif #define DmtxVersion VERSION #define DmtxUndefined -1 #define DmtxPassFail unsigned int #define DmtxPass 1 #define DmtxFail 0 #define DmtxBoolean unsigned int #define DmtxTrue 1 #define DmtxFalse 0 #define DmtxFormatMatrix 0 #define DmtxFormatMosaic 1 #define DmtxSymbolSquareCount 24 #define DmtxSymbolRectCount 6 #define DmtxModuleOff 0x00 #define DmtxModuleOnRed 0x01 #define DmtxModuleOnGreen 0x02 #define DmtxModuleOnBlue 0x04 #define DmtxModuleOnRGB 0x07 /* OnRed | OnGreen | OnBlue */ #define DmtxModuleOn 0x07 #define DmtxModuleUnsure 0x08 #define DmtxModuleAssigned 0x10 #define DmtxModuleVisited 0x20 #define DmtxModuleData 0x40 #define DMTX_CHECK_BOUNDS(l,i) (assert((i) >= 0 && (i) < (l)->length && (l)->length <= (l)->capacity)) typedef enum { DmtxScanNotFound, /* Scanning completed without finding a region. */ DmtxScanSuccess, /* Scanning found a region */ DmtxScanTimeLimit, /* Scanning halted due to time limit */ DmtxScanIterLimit, /* Scanning halted due to iteration limit */ } DmtxScanStatus; typedef enum { DmtxStatusEncoding, /* Encoding is currently underway */ DmtxStatusComplete, /* Encoding is done and everything went well */ DmtxStatusInvalid, /* Something bad happened that sometimes happens */ DmtxStatusFatal /* Something happened that should never happen */ } DmtxStatus; typedef enum { DmtxSchemeAutoFast = -2, DmtxSchemeAutoBest = -1, DmtxSchemeAscii = 0, DmtxSchemeC40, DmtxSchemeText, DmtxSchemeX12, DmtxSchemeEdifact, DmtxSchemeBase256 } DmtxScheme; typedef enum { DmtxSymbolRectAuto = -3, DmtxSymbolSquareAuto = -2, DmtxSymbolShapeAuto = -1, DmtxSymbol10x10 = 0, DmtxSymbol12x12, DmtxSymbol14x14, DmtxSymbol16x16, DmtxSymbol18x18, DmtxSymbol20x20, DmtxSymbol22x22, DmtxSymbol24x24, DmtxSymbol26x26, DmtxSymbol32x32, DmtxSymbol36x36, DmtxSymbol40x40, DmtxSymbol44x44, DmtxSymbol48x48, DmtxSymbol52x52, DmtxSymbol64x64, DmtxSymbol72x72, DmtxSymbol80x80, DmtxSymbol88x88, DmtxSymbol96x96, DmtxSymbol104x104, DmtxSymbol120x120, DmtxSymbol132x132, DmtxSymbol144x144, DmtxSymbol8x18, DmtxSymbol8x32, DmtxSymbol12x26, DmtxSymbol12x36, DmtxSymbol16x36, DmtxSymbol16x48 } DmtxSymbolSize; typedef enum { DmtxDirNone = 0x00, DmtxDirUp = 0x01 << 0, DmtxDirLeft = 0x01 << 1, DmtxDirDown = 0x01 << 2, DmtxDirRight = 0x01 << 3, DmtxDirHorizontal = DmtxDirLeft | DmtxDirRight, DmtxDirVertical = DmtxDirUp | DmtxDirDown, DmtxDirRightUp = DmtxDirRight | DmtxDirUp, DmtxDirLeftDown = DmtxDirLeft | DmtxDirDown } DmtxDirection; typedef enum { DmtxSymAttribSymbolRows, DmtxSymAttribSymbolCols, DmtxSymAttribDataRegionRows, DmtxSymAttribDataRegionCols, DmtxSymAttribHorizDataRegions, DmtxSymAttribVertDataRegions, DmtxSymAttribMappingMatrixRows, DmtxSymAttribMappingMatrixCols, DmtxSymAttribInterleavedBlocks, DmtxSymAttribBlockErrorWords, DmtxSymAttribBlockMaxCorrectable, DmtxSymAttribSymbolDataWords, DmtxSymAttribSymbolErrorWords, DmtxSymAttribSymbolMaxCorrectable } DmtxSymAttribute; typedef enum { DmtxCorner00 = 0x01 << 0, DmtxCorner10 = 0x01 << 1, DmtxCorner11 = 0x01 << 2, DmtxCorner01 = 0x01 << 3 } DmtxCornerLoc; typedef enum { /* Encoding properties */ DmtxPropScheme = 100, DmtxPropSizeRequest, DmtxPropMarginSize, DmtxPropModuleSize, DmtxPropFnc1, /* Decoding properties */ DmtxPropEdgeMin = 200, DmtxPropEdgeMax, DmtxPropScanGap, DmtxPropSquareDevn, DmtxPropSymbolSize, DmtxPropEdgeThresh, /* Image properties */ DmtxPropWidth = 300, DmtxPropHeight, DmtxPropPixelPacking, DmtxPropBitsPerPixel, DmtxPropBytesPerPixel, DmtxPropRowPadBytes, DmtxPropRowSizeBytes, DmtxPropImageFlip, DmtxPropChannelCount, /* Image modifiers */ DmtxPropXmin = 400, DmtxPropXmax, DmtxPropYmin, DmtxPropYmax, DmtxPropScale } DmtxProperty; typedef enum { /* Custom format */ DmtxPackCustom = 100, /* 1 bpp */ DmtxPack1bppK = 200, /* 8 bpp grayscale */ DmtxPack8bppK = 300, /* 16 bpp formats */ DmtxPack16bppRGB = 400, DmtxPack16bppRGBX, DmtxPack16bppXRGB, DmtxPack16bppBGR, DmtxPack16bppBGRX, DmtxPack16bppXBGR, DmtxPack16bppYCbCr, /* 24 bpp formats */ DmtxPack24bppRGB = 500, DmtxPack24bppBGR, DmtxPack24bppYCbCr, /* 32 bpp formats */ DmtxPack32bppRGBX = 600, DmtxPack32bppXRGB, DmtxPack32bppBGRX, DmtxPack32bppXBGR, DmtxPack32bppCMYK } DmtxPackOrder; typedef enum { DmtxFlipNone = 0x00, DmtxFlipX = 0x01 << 0, DmtxFlipY = 0x01 << 1 } DmtxFlip; typedef double DmtxMatrix3[3][3]; /** * @struct DmtxPixelLoc * @brief DmtxPixelLoc */ typedef struct DmtxPixelLoc_struct { int X; int Y; } DmtxPixelLoc; /** * @struct DmtxVector2 * @brief DmtxVector2 */ typedef struct DmtxVector2_struct { double X; double Y; } DmtxVector2; /** * @struct DmtxRay2 * @brief DmtxRay2 */ typedef struct DmtxRay2_struct { double tMin; double tMax; DmtxVector2 p; DmtxVector2 v; } DmtxRay2; typedef unsigned char DmtxByte; /** * @struct DmtxByteList * @brief DmtxByteList * Use signed int for length fields instead of size_t to play nicely with RS * arithmetic */ typedef struct DmtxByteList_struct DmtxByteList; struct DmtxByteList_struct { int length; int capacity; DmtxByte *b; }; typedef struct DmtxEncodeStream_struct DmtxEncodeStream; struct DmtxEncodeStream_struct { int currentScheme; /* Current encodation scheme */ int inputNext; /* Index of next unprocessed input word in queue */ int outputChainValueCount; /* Count of output values pushed within current scheme chain */ int outputChainWordCount; /* Count of output words pushed within current scheme chain */ char *reason; /* Reason for status */ int sizeIdx; /* Symbol size of completed stream */ int fnc1; /* Character to represent FNC1, or DmtxUndefined */ DmtxStatus status; DmtxByteList *input; DmtxByteList *output; }; /** * @struct DmtxImage * @brief DmtxImage */ typedef struct DmtxImage_struct { int width; int height; int pixelPacking; int bitsPerPixel; int bytesPerPixel; int rowPadBytes; int rowSizeBytes; int imageFlip; int channelCount; int channelStart[4]; int bitsPerChannel[4]; unsigned char *pxl; } DmtxImage; /** * @struct DmtxPointFlow * @brief DmtxPointFlow */ typedef struct DmtxPointFlow_struct { int plane; int arrive; int depart; int mag; DmtxPixelLoc loc; } DmtxPointFlow; /** * @struct DmtxBestLine * @brief DmtxBestLine */ typedef struct DmtxBestLine_struct { int angle; int hOffset; int mag; int stepBeg; int stepPos; int stepNeg; int distSq; double devn; DmtxPixelLoc locBeg; DmtxPixelLoc locPos; DmtxPixelLoc locNeg; } DmtxBestLine; /** * @struct DmtxRegion * @brief DmtxRegion */ typedef struct DmtxRegion_struct { /* Trail blazing values */ int jumpToPos; /* */ int jumpToNeg; /* */ int stepsTotal; /* */ DmtxPixelLoc finalPos; /* */ DmtxPixelLoc finalNeg; /* */ DmtxPixelLoc boundMin; /* */ DmtxPixelLoc boundMax; /* */ DmtxPointFlow flowBegin; /* */ /* Orientation values */ int polarity; /* */ int stepR; int stepT; DmtxPixelLoc locR; /* remove if stepR works above */ DmtxPixelLoc locT; /* remove if stepT works above */ /* Region fitting values */ int leftKnown; /* known == 1; unknown == 0 */ int leftAngle; /* hough angle of left edge */ DmtxPixelLoc leftLoc; /* known (arbitrary) location on left edge */ DmtxBestLine leftLine; /* */ int bottomKnown; /* known == 1; unknown == 0 */ int bottomAngle; /* hough angle of bottom edge */ DmtxPixelLoc bottomLoc; /* known (arbitrary) location on bottom edge */ DmtxBestLine bottomLine; /* */ int topKnown; /* known == 1; unknown == 0 */ int topAngle; /* hough angle of top edge */ DmtxPixelLoc topLoc; /* known (arbitrary) location on top edge */ int rightKnown; /* known == 1; unknown == 0 */ int rightAngle; /* hough angle of right edge */ DmtxPixelLoc rightLoc; /* known (arbitrary) location on right edge */ /* Region calibration values */ int onColor; /* */ int offColor; /* */ int sizeIdx; /* Index of arrays that store Data Matrix constants */ int symbolRows; /* Number of total rows in symbol including alignment patterns */ int symbolCols; /* Number of total columns in symbol including alignment patterns */ int mappingRows; /* Number of data rows in symbol */ int mappingCols; /* Number of data columns in symbol */ /* Transform values */ DmtxMatrix3 raw2fit; /* 3x3 transformation from raw image to fitted barcode grid */ DmtxMatrix3 fit2raw; /* 3x3 transformation from fitted barcode grid to raw image */ } DmtxRegion; /** * @struct DmtxMessage * @brief DmtxMessage */ typedef struct DmtxMessage_struct { size_t arraySize; /* mappingRows * mappingCols */ size_t codeSize; /* Size of encoded data (data words + error words) */ size_t outputSize; /* Size of buffer used to hold decoded data */ int outputIdx; /* Internal index used to store output progress */ int padCount; int fnc1; /* Character to represent FNC1, or DmtxUndefined */ unsigned char *array; /* Pointer to internal representation of Data Matrix modules */ unsigned char *code; /* Pointer to internal storage of code words (data and error) */ unsigned char *output; /* Pointer to internal storage of decoded output */ } DmtxMessage; /** * @struct DmtxScanGrid * @brief DmtxScanGrid */ typedef struct DmtxScanGrid_struct { /* set once */ int minExtent; /* Smallest cross size used in scan */ int maxExtent; /* Size of bounding grid region (2^N - 1) */ int xOffset; /* Offset to obtain image X coordinate */ int yOffset; /* Offset to obtain image Y coordinate */ int xMin; /* Minimum X in image coordinate system */ int xMax; /* Maximum X in image coordinate system */ int yMin; /* Minimum Y in image coordinate system */ int yMax; /* Maximum Y in image coordinate system */ /* reset for each level */ int total; /* Total number of crosses at this size */ int extent; /* Length/width of cross in pixels */ int jumpSize; /* Distance in pixels between cross centers */ int pixelTotal; /* Total pixel count within an individual cross path */ int startPos; /* X and Y coordinate of first cross center in pattern */ /* reset for each cross */ int pixelCount; /* Progress (pixel count) within current cross pattern */ int xCenter; /* X center of current cross pattern */ int yCenter; /* Y center of current cross pattern */ } DmtxScanGrid; /** * @struct DmtxTime * @brief DmtxTime */ typedef struct DmtxTime_struct { time_t sec; unsigned long usec; } DmtxTime; /** * @struct DmtxScanConstraint * @brief DmtxScanConstraint * Constraint structure for dmtxRegionFindNextDeterministic * Allows for interrupting execution after a specific number of iterations * as well as time. Good for ensuring deterministic amounts of work are done * in any given call. **/ typedef struct DmtxScanConstraint_struct { DmtxTime *maxTimeout; /* Time limit, if any */ int maxIterations; /* Iteration Limit */ int iterations; /* Actual number of iterations used */ DmtxScanStatus stopCause; /* Reason that scanning stopped */ } DmtxScanConstraint; /** * @struct DmtxDecode * @brief DmtxDecode */ typedef struct DmtxDecode_struct { /* Options */ int edgeMin; int edgeMax; int scanGap; int fnc1; double squareDevn; int sizeIdxExpected; int edgeThresh; /* Image modifiers */ int xMin; int xMax; int yMin; int yMax; int scale; /* Internals */ /* int cacheComplete; */ unsigned char *cache; DmtxImage *image; DmtxScanGrid grid; } DmtxDecode; /** * @struct DmtxEncode * @brief DmtxEncode */ typedef struct DmtxEncode_struct { int method; int scheme; int sizeIdxRequest; int marginSize; int moduleSize; int pixelPacking; int imageFlip; int rowPadBytes; int fnc1; DmtxMessage *message; DmtxImage *image; DmtxRegion region; DmtxMatrix3 xfrm; /* XXX still necessary? */ DmtxMatrix3 rxfrm; /* XXX still necessary? */ } DmtxEncode; /** * @struct DmtxChannel * @brief DmtxChannel */ typedef struct DmtxChannel_struct { int encScheme; /* current encodation scheme */ int invalid; /* channel status (invalid if non-zero) */ unsigned char *inputPtr; /* pointer to current input character */ unsigned char *inputStop; /* pointer to position after final input character */ int encodedLength; /* encoded length (units of 2/3 bits) */ int currentLength; /* current length (units of 2/3 bits) */ int firstCodeWord; /* */ unsigned char encodedWords[1558]; } DmtxChannel; /* Wrap in a struct for fast copies */ /** * @struct DmtxChannelGroup * @brief DmtxChannelGroup */ typedef struct DmtxChannelGroup_struct { DmtxChannel channel[6]; } DmtxChannelGroup; /** * @struct DmtxTriplet * @brief DmtxTriplet */ typedef struct DmtxTriplet_struct { unsigned char value[3]; } DmtxTriplet; /** * @struct DmtxQuadruplet * @brief DmtxQuadruplet */ typedef struct DmtxQuadruplet_struct { unsigned char value[4]; } DmtxQuadruplet; /* dmtxtime.c */ extern DmtxTime dmtxTimeNow(void); extern DmtxTime dmtxTimeAdd(DmtxTime t, long msec); extern int dmtxTimeExceeded(DmtxTime timeout); /* dmtxencode.c */ extern DmtxEncode *dmtxEncodeCreate(void); extern DmtxPassFail dmtxEncodeDestroy(DmtxEncode **enc); extern DmtxPassFail dmtxEncodeSetProp(DmtxEncode *enc, int prop, int value); extern int dmtxEncodeGetProp(DmtxEncode *enc, int prop); #ifdef HAVE_READER_PROGRAMMING extern DmtxPassFail dmtxEncodeDataMatrix(DmtxEncode *enc, int n, unsigned char *s, DmtxBoolean bReaderProgramming); #else extern DmtxPassFail dmtxEncodeDataMatrix(DmtxEncode *enc, int n, unsigned char *s); #endif extern DmtxPassFail dmtxEncodeDataMosaic(DmtxEncode *enc, int n, unsigned char *s); /* dmtxdecode.c */ extern DmtxDecode *dmtxDecodeCreate(DmtxImage *img, int scale); extern DmtxPassFail dmtxDecodeDestroy(DmtxDecode **dec); extern DmtxPassFail dmtxDecodeSetProp(DmtxDecode *dec, int prop, int value); extern int dmtxDecodeGetProp(DmtxDecode *dec, int prop); extern /*@exposed@*/ unsigned char *dmtxDecodeGetCache(DmtxDecode *dec, int x, int y); extern DmtxPassFail dmtxDecodeGetPixelValue(DmtxDecode *dec, int x, int y, int channel, /*@out@*/ int *value); extern DmtxMessage *dmtxDecodeMatrixRegion(DmtxDecode *dec, DmtxRegion *reg, int fix); extern DmtxMessage *dmtxDecodePopulatedArray(int sizeIdx, DmtxMessage *msg, int fix); extern DmtxMessage *dmtxDecodeMosaicRegion(DmtxDecode *dec, DmtxRegion *reg, int fix); extern unsigned char *dmtxDecodeCreateDiagnostic(DmtxDecode *dec, /*@out@*/ int *totalBytes, /*@out@*/ int *headerBytes, int style); /* dmtxregion.c */ extern DmtxRegion *dmtxRegionCreate(DmtxRegion *reg); extern DmtxPassFail dmtxRegionDestroy(DmtxRegion **reg); extern DmtxRegion *dmtxRegionFindNext(DmtxDecode *dec, DmtxTime *timeout); extern DmtxRegion *dmtxRegionFindNextDeterministic(DmtxDecode *dec, DmtxScanConstraint *constraint); extern DmtxRegion *dmtxRegionScanPixel(DmtxDecode *dec, int x, int y); extern DmtxPassFail dmtxRegionUpdateCorners(DmtxDecode *dec, DmtxRegion *reg, DmtxVector2 p00, DmtxVector2 p10, DmtxVector2 p11, DmtxVector2 p01); extern DmtxPassFail dmtxRegionUpdateXfrms(DmtxDecode *dec, DmtxRegion *reg); /* dmtxmessage.c */ extern DmtxMessage *dmtxMessageCreate(int sizeIdx, int symbolFormat); extern DmtxPassFail dmtxMessageDestroy(DmtxMessage **msg); /* dmtximage.c */ extern DmtxImage *dmtxImageCreate(unsigned char *pxl, int width, int height, int pack); extern DmtxPassFail dmtxImageDestroy(DmtxImage **img); extern DmtxPassFail dmtxImageSetChannel(DmtxImage *img, int channelStart, int bitsPerChannel); extern DmtxPassFail dmtxImageSetProp(DmtxImage *img, int prop, int value); extern int dmtxImageGetProp(DmtxImage *img, int prop); extern int dmtxImageGetByteOffset(DmtxImage *img, int x, int y); extern DmtxPassFail dmtxImageGetPixelValue(DmtxImage *img, int x, int y, int channel, /*@out@*/ int *value); extern DmtxPassFail dmtxImageSetPixelValue(DmtxImage *img, int x, int y, int channel, int value); extern DmtxBoolean dmtxImageContainsInt(DmtxImage *img, int margin, int x, int y); extern DmtxBoolean dmtxImageContainsFloat(DmtxImage *img, double x, double y); /* dmtxvector2.c */ extern DmtxVector2 *dmtxVector2AddTo(DmtxVector2 *v1, const DmtxVector2 *v2); extern DmtxVector2 *dmtxVector2Add(/*@out@*/ DmtxVector2 *vOut, const DmtxVector2 *v1, const DmtxVector2 *v2); extern DmtxVector2 *dmtxVector2SubFrom(DmtxVector2 *v1, const DmtxVector2 *v2); extern DmtxVector2 *dmtxVector2Sub(/*@out@*/ DmtxVector2 *vOut, const DmtxVector2 *v1, const DmtxVector2 *v2); extern DmtxVector2 *dmtxVector2ScaleBy(DmtxVector2 *v, double s); extern DmtxVector2 *dmtxVector2Scale(/*@out@*/ DmtxVector2 *vOut, const DmtxVector2 *v, double s); extern double dmtxVector2Cross(const DmtxVector2 *v1, const DmtxVector2 *v2); extern double dmtxVector2Norm(DmtxVector2 *v); extern double dmtxVector2Dot(const DmtxVector2 *v1, const DmtxVector2 *v2); extern double dmtxVector2Mag(const DmtxVector2 *v); extern double dmtxDistanceFromRay2(const DmtxRay2 *r, const DmtxVector2 *q); extern double dmtxDistanceAlongRay2(const DmtxRay2 *r, const DmtxVector2 *q); extern DmtxPassFail dmtxRay2Intersect(/*@out@*/ DmtxVector2 *point, const DmtxRay2 *p0, const DmtxRay2 *p1); extern DmtxPassFail dmtxPointAlongRay2(/*@out@*/ DmtxVector2 *point, const DmtxRay2 *r, double t); /* dmtxmatrix3.c */ extern void dmtxMatrix3Copy(/*@out@*/ DmtxMatrix3 m0, DmtxMatrix3 m1); extern void dmtxMatrix3Identity(/*@out@*/ DmtxMatrix3 m); extern void dmtxMatrix3Translate(/*@out@*/ DmtxMatrix3 m, double tx, double ty); extern void dmtxMatrix3Rotate(/*@out@*/ DmtxMatrix3 m, double angle); extern void dmtxMatrix3Scale(/*@out@*/ DmtxMatrix3 m, double sx, double sy); extern void dmtxMatrix3Shear(/*@out@*/ DmtxMatrix3 m, double shx, double shy); extern void dmtxMatrix3LineSkewTop(/*@out@*/ DmtxMatrix3 m, double b0, double b1, double sz); extern void dmtxMatrix3LineSkewTopInv(/*@out@*/ DmtxMatrix3 m, double b0, double b1, double sz); extern void dmtxMatrix3LineSkewSide(/*@out@*/ DmtxMatrix3 m, double b0, double b1, double sz); extern void dmtxMatrix3LineSkewSideInv(/*@out@*/ DmtxMatrix3 m, double b0, double b1, double sz); extern void dmtxMatrix3Multiply(/*@out@*/ DmtxMatrix3 mOut, DmtxMatrix3 m0, DmtxMatrix3 m1); extern void dmtxMatrix3MultiplyBy(DmtxMatrix3 m0, DmtxMatrix3 m1); extern int dmtxMatrix3VMultiply(/*@out@*/ DmtxVector2 *vOut, DmtxVector2 *vIn, DmtxMatrix3 m); extern int dmtxMatrix3VMultiplyBy(DmtxVector2 *v, DmtxMatrix3 m); extern void dmtxMatrix3Print(DmtxMatrix3 m); /* dmtxsymbol.c */ extern int dmtxSymbolModuleStatus(DmtxMessage *mapping, int sizeIdx, int row, int col); extern int dmtxGetSymbolAttribute(int attribute, int sizeIdx); extern int dmtxGetBlockDataSize(int sizeIdx, int blockIdx); extern int getSizeIdxFromSymbolDimension(int rows, int cols); /* dmtxbytelist.c */ extern DmtxByteList dmtxByteListBuild(DmtxByte *storage, int capacity); extern void dmtxByteListInit(DmtxByteList *list, int length, DmtxByte value, DmtxPassFail *passFail); extern void dmtxByteListClear(DmtxByteList *list); extern DmtxBoolean dmtxByteListHasCapacity(DmtxByteList *list); extern void dmtxByteListCopy(DmtxByteList *dst, const DmtxByteList *src, DmtxPassFail *passFail); extern void dmtxByteListPush(DmtxByteList *list, DmtxByte value, DmtxPassFail *passFail); extern DmtxByte dmtxByteListPop(DmtxByteList *list, DmtxPassFail *passFail); extern void dmtxByteListPrint(DmtxByteList *list, char *prefix); extern char *dmtxVersion(void); extern DmtxBoolean dmtxHasReaderProgramming(void); #ifdef __cplusplus } #endif #endif