179 lines
4.7 KiB
C
179 lines
4.7 KiB
C
#ifndef __HGSCANNERLIB_H__
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#define __HGSCANNERLIB_H__
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#include "HGDef.h"
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HG_DECLARE_HANDLE(HGLibImage);
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HG_DECLARE_HANDLE(HGLibDevice);
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/* TIFF压缩方式 */
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#define HGLIB_TIFFCOMPRESSION_NONE 1L
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#define HGLIB_TIFFCOMPRESSION_CCITTFAX4 2L
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#define HGLIB_TIFFCOMPRESSION_LZW 3L
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#define HGLIB_TIFFCOMPRESSION_JPEG 4L
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/* 设备热拔插事件 */
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#define HGLIB_DEVHOTPLUG_EVENT_ARRIVE 1L
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#define HGLIB_DEVHOTPLUG_EVENT_REMOVE 2L
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/* 设备扫描事件 */
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#define HGLIB_DEVSCAN_EVENT_BEGIN 1L
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#define HGLIB_DEVSCAN_EVENT_END 2L
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#define HGLIB_DEVSCAN_EVENT_INFO 3L
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/* 设备参数类型 */
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#define HGLIB_DEVPARAM_TYPE_INT 1L
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#define HGLIB_DEVPARAM_TYPE_STRING 2L
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#define HGLIB_DEVPARAM_TYPE_DOUBLE 3L
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#define HGLIB_DEVPARAM_TYPE_BOOL 4L
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/* 设备参数取值范围类型 */
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#define HGLIB_DEVPARAM_RANDETYPE_INTLIST 1L
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#define HGLIB_DEVPARAM_RANDETYPE_STRINGLIST 2L
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#define HGLIB_DEVPARAM_RANDETYPE_DOUBLELIST 3L
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#define HGLIB_DEVPARAM_RANDETYPE_INTRANGE 4L
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#define HGLIB_DEVPARAM_RANDETYPE_DOUBLERANGE 5L
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typedef struct
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{
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HGUInt size; /* 结构体大小，必须初始化为sizeof(HGLibSaveImageParam) */
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HGUInt jpegQuality; /* jpeg下有效, 0-100 */
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HGUInt tiffCompression; /* tiff下有效, HGLIB_TIFFCOMPRESSION_* */
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HGUInt tiffJpegQuality; /* tiff且HGLIB_TIFFCOMPRESSION_JPEG下有效, 0-100 */
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HGBool ocr; /* 是否OCR，pdf和ofd格式有效 */
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}HGLibSaveImageParam;
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typedef struct
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{
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HGChar *title; /* 参数名, UTF8 */
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HGUInt type; /* 参数类型, 参见HGLIB_DEVPARAM_TYPE_* */
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union
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{
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HGInt intValue;
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HGChar *stringValue;
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HGDouble doubleValue;
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HGBool boolValue;
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};
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}HGLibDeviceSetParam;
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typedef struct
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{
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HGInt* value;
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HGUInt count;
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}HGLibDeviceIntValueList;
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typedef struct
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{
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HGChar** value;
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HGUInt count;
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}HGLibDeviceStringValueList;
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typedef struct
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{
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HGDouble* value;
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HGUInt count;
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}HGLibDeviceDoubleValueList;
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typedef struct
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{
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HGInt minValue;
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HGInt maxValue;
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}HGLibDeviceIntValueRange;
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typedef struct
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{
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HGDouble minValue;
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HGDouble maxValue;
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}HGLibDeviceDoubleValueRange;
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typedef struct
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{
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HGLibDeviceSetParam param;
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HGUInt rangeType; /* 取值类型, 参见HGLIB_DEVPARAM_RANGETYPE_* */
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union
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{
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HGLibDeviceIntValueList intValueList;
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HGLibDeviceStringValueList stringValueList;
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HGLibDeviceDoubleValueList doubleValueList;
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HGLibDeviceIntValueRange intValueRange;
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HGLibDeviceDoubleValueRange doubleValueRange;
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};
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}HGLibDeviceGetParam;
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typedef struct
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{
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HGChar* groupName;
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HGLibDeviceGetParam* param;
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HGUInt paramCount;
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}HGLibDeviceGetParamGroup;
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/* 设备热拔插回调
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* event: HGLIB_DEVHOTPLUG_EVENT_*
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* deviceName: 设备名
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* param: 回调参数
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*/
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typedef void (*HGLibDeviceHotPlugEventFunc)(HGUInt event, const HGChar *deviceName, HGPointer param);
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/* 设备扫描事件回调
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* device: 设备句柄
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* event: HGLIB_DEVSCAN_EVENT_*
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* err: 是否是错误信息, HGLIB_DEVSCAN_EVENT_INFO下有效
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* info: 扫描信息, HGLIB_DEVSCAN_EVENT_INFO下有效
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* param: 回调参数
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*/
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typedef void (*HGLibDeviceScanEventFunc)(HGLibDevice device, HGUInt event, HGBool err, const HGChar *info, HGPointer param);
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/* 设备扫描图像回调
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* device: 设备句柄
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* image: 图像句柄, 不要调用HGLib_ReleaseImage释放, 回调执行后会自动释放
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* param: 回调参数
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*/
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typedef void (*HGLibDeviceScanImageFunc)(HGLibDevice device, HGLibImage image, HGPointer param);
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/* 加载图像 */
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HGEXPORT HGLibImage HGAPI HGLib_LoadImage(const HGChar *filePath);
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/* 保存图像 */
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HGEXPORT HGBool HGAPI HGLib_SaveImage(HGLibImage image, const HGChar* savePath, const HGLibSaveImageParam* saveParam);
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/* 释放图像 */
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HGEXPORT HGBool HGAPI HGLib_ReleaseImage(HGLibImage image);
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/* 初始化扫描仪 */
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HGEXPORT HGBool HGAPI HGLib_InitDevice(HGLibDeviceHotPlugEventFunc func, HGPointer param);
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/* 反初始化扫描仪 */
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HGEXPORT HGBool HGAPI HGLib_DeinitDevice();
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/* 获取扫描仪名称列表 */
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HGEXPORT HGChar** HGAPI HGLib_GetDeviceNameList();
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/* 销毁扫描仪名称列表 */
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HGEXPORT HGBool HGAPI HGLib_ReleaseDeviceNameList(HGChar** deviceName);
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/* 打开设备 */
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HGEXPORT HGLibDevice HGAPI HGLib_OpenDevice(const HGChar *deviceName);
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/* 关闭设备 */
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HGEXPORT HGBool HGAPI HGLib_CloseDevice(HGLibDevice device);
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/* 设置设备参数 */
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HGEXPORT HGBool HGAPI HGLib_SetDeviceParam(HGLibDevice device, const HGLibDeviceSetParam *param, HGUInt count);
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/* 获取设备参数 */
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HGEXPORT HGLibDeviceGetParamGroup* HGAPI HGLib_GetDeviceParamGroupList(HGLibDevice device, HGUInt *count);
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/* 销毁设备参数 */
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HGEXPORT HGBool HGAPI HGLib_ReleaseDeviceParamGroupList(HGLibDeviceGetParamGroup* paramGroup, HGUInt count);
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/* 重置设备参数 */
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HGEXPORT HGBool HGAPI HGLib_ResetDeviceParam(HGLibDevice device);
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/* 开始扫描 */
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HGEXPORT HGBool HGAPI HGLib_StartDeviceScan(HGLibDevice device, HGLibDeviceScanEventFunc eventFunc, HGPointer eventParam,
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HGLibDeviceScanImageFunc imageFunc, HGPointer imageParam);
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/* 停止扫描 */
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HGEXPORT HGBool HGAPI HGLib_StopDeviceScan(HGLibDevice device);
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#endif /* __HGSCANNERLIB_H__ */ |