dmtx.h

Datamatrix二维码库和测试程序,运行于linux,仔细研究可以很容易转化成VC程序,有这就没必要化钱买个控件了,本人libdmtx-0.3版本转化过,的确可行,现在把找到该版本的libdmtx

/*
libdmtx - Data Matrix Encoding/Decoding Library

Copyright (c) 2008 Mike Laughton

This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.

This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA

Contact: [e-mail]
*/

/* $Id: dmtx.h 519 2008-11-21 05:27:42Z mblaughton $ */

/**
 * @file dmtx.h
 * @brief Main libdmtx header
 */

#ifndef __DMTX_H__
#define __DMTX_H__

#include <time.h>

#if defined(HAVE_SYS_TIME_H)
#include <sys/time.h>
#endif

#ifdef __cplusplus
extern "C" {
#endif

#ifndef M_PI
#define M_PI       3.14159265358979323846
#endif

#ifndef M_PI_2
#define M_PI_2     1.57079632679489661923
#endif

#define DMTX_VERSION                   "0.6.0"

#define DMTX_FAILURE                   0
#define DMTX_SUCCESS                   1

#define DMTX_FALSE                     0
#define DMTX_TRUE                      1

#define DMTX_BAD_OFFSET               -1

#define DMTX_STATUS_NOT_SCANNED        0
#define DMTX_STATUS_VALID              1
#define DMTX_STATUS_INVALID            2

#define DMTX_DISPLAY_SQUARE            1
#define DMTX_DISPLAY_POINT             2
#define DMTX_DISPLAY_CIRCLE            3

#define DMTX_REGION_FOUND              0
#define DMTX_REGION_NOT_FOUND          1
#define DMTX_REGION_TIMEOUT            2
#define DMTX_REGION_EOF                3
#define DMTX_REGION_DROPPED_EDGE       4
#define DMTX_REGION_DROPPED_FINDER     5
#define DMTX_REGION_DROPPED_TOP        6
#define DMTX_REGION_DROPPED_RIGHT      7
#define DMTX_REGION_DROPPED_SIZE       8

#define DMTX_MODULE_OFF             0x00
#define DMTX_MODULE_ON_RED          0x01
#define DMTX_MODULE_ON_GREEN        0x02
#define DMTX_MODULE_ON_BLUE         0x04
#define DMTX_MODULE_ON_RGB          0x07  /* ON_RED | ON_GREEN | ON_BLUE */
#define DMTX_MODULE_ON              0x07
#define DMTX_MODULE_UNSURE          0x08
#define DMTX_MODULE_ASSIGNED        0x10
#define DMTX_MODULE_VISITED         0x20
#define DMTX_MODULE_DATA            0x40

#define DMTX_FORMAT_MATRIX             0
#define DMTX_FORMAT_MOSAIC             1

#define DMTX_SYMBOL_SQUARE_COUNT      24
#define DMTX_SYMBOL_RECT_COUNT         6

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 {
   DmtxEncodeAutoBest,
   DmtxEncodeAutoFast,
   DmtxEncodeSingleScheme
} DmtxEncodeMethod;

typedef enum {
   DmtxSchemeEncodeAscii,
   DmtxSchemeEncodeC40,
   DmtxSchemeEncodeText,
   DmtxSchemeEncodeX12,
   DmtxSchemeEncodeEdifact,
   DmtxSchemeEncodeBase256,
   DmtxSchemeEncodeAutoBest,
   DmtxSchemeEncodeAutoFast
} DmtxSchemeEncode;

typedef enum {
   DmtxSchemeDecodeAsciiStd,
   DmtxSchemeDecodeAsciiExt,
   DmtxSchemeDecodeC40,
   DmtxSchemeDecodeText,
   DmtxSchemeDecodeX12,
   DmtxSchemeDecodeEdifact,
   DmtxSchemeDecodeBase256
} DmtxSchemeDecode;

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 {
   DmtxPropEdgeMin,
   DmtxPropEdgeMax,
   DmtxPropScanGap,
   DmtxPropSquareDevn,
   DmtxPropSymbolSize,
   DmtxPropEdgeThresh,
   DmtxPropWidth,
   DmtxPropHeight,
   DmtxPropArea,
   DmtxPropXmin,
   DmtxPropXmax,
   DmtxPropYmin,
   DmtxPropYmax,
   DmtxPropShrinkMin,
   DmtxPropShrinkMax,
   DmtxPropScale,
   DmtxPropScaledWidth,
   DmtxPropScaledHeight,
   DmtxPropScaledArea,
   DmtxPropScaledXmin,
   DmtxPropScaledXmax,
   DmtxPropScaledYmin,
   DmtxPropScaledYmax
} DmtxDecodeProperty;

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 double DmtxMatrix3[3][3];
typedef unsigned char DmtxRgb[3];

/**
 * @struct DmtxColor3
 * @brief DmtxColor3
 */
typedef struct DmtxColor3_struct {
   double R;
   double G;
   double B;
} DmtxColor3;

/**
 * @struct DmtxPixelLoc
 * @brief DmtxPixelLoc
 */
typedef struct DmtxPixelLoc_struct {
   int X;
   int Y;
   int status;
} DmtxPixelLoc;

/**
 * @struct DmtxVector2
 * @brief DmtxVector2
 */
typedef struct DmtxVector2_struct {
   double X;
   double Y;
} DmtxVector2;

/**
 * @struct DmtxRay3
 * @brief DmtxRay3
 */
typedef struct DmtxRay3_struct {
   DmtxColor3 p;
   DmtxColor3 c;
} DmtxRay3;

/**
 * @struct DmtxRay2
 * @brief DmtxRay2
 */
typedef struct DmtxRay2_struct {
   char        isDefined;
   double      tMin, tMax;
   DmtxVector2 p;
   DmtxVector2 v;
} DmtxRay2;

/**
 * @struct DmtxGradient
 * @brief DmtxGradient
 */
typedef struct DmtxGradient_struct {
   char       isDefined;
   double     tMin, tMax;
   DmtxRay3   ray;
} DmtxGradient;

/**
 * @struct DmtxImage
 * @brief DmtxImage
 */
typedef struct DmtxImage_struct {
   int             width;  /* unscaled */
   int             height; /* unscaled */
   int             xMin;   /* unscaled */
   int             xMax;   /* unscaled */
   int             yMin;   /* unscaled */
   int             yMax;   /* unscaled */
   int             scale;
   int             widthScaled;
   int             heightScaled;
   int             xMinScaled;
   int             xMaxScaled;
   int             yMinScaled;
   int             yMaxScaled;
   int             pageCount;
   unsigned char   *cache;
   DmtxRgb         *pxl;
} DmtxImage;

/**
 * @struct DmtxPointFlow
 * @brief DmtxPointFlow
 */