209 lines
5.2 KiB
C
209 lines
5.2 KiB
C
|
#ifndef __HGTWAIN_H__
|
|||
|
|
#define __HGTWAIN_H__
|
|||
|
|
|
|||
|
|
#include "../base/HGDef.h"
|
|||
|
|
#include "../base/HGBaseErr.h"
|
|||
|
|
#include "HGTwainErr.h"
|
|||
|
|
#include "../base/HGImage.h"
|
|||
|
|
|
|||
|
|
HG_DECLARE_HANDLE(HGTwainDSM);
|
|||
|
|
HG_DECLARE_HANDLE(HGTwainDS);
|
|||
|
|
|
|||
|
|
/* 能力 */
|
|||
|
|
#define HGTWAIN_DSCAP_DUPLEX 1L
|
|||
|
|
#define HGTWAIN_DSCAP_DUPLEXENABLED 2L
|
|||
|
|
#define HGTWAIN_DSCAP_XFERCOUNT 3L
|
|||
|
|
|
|||
|
|
/* 未知事件, 可能是该库未进行处理的事件 */
|
|||
|
|
#define HGTWAIN_DSEVENT_UNKNOWN 0L
|
|||
|
|
#define HGTWAIN_DSEVENT_XFERREADY 1L
|
|||
|
|
#define HGTWAIN_DSEVENT_CLOSEDSREQ 2L
|
|||
|
|
#define HGTWAIN_DSEVENT_CLOSEDSOK 3L
|
|||
|
|
|
|||
|
|
/* twain事件回调
|
|||
|
|
* 参数:
|
|||
|
|
* 1) ds: in, DS句柄
|
|||
|
|
* 2) event: in, 事件, 参见HGTWAIN_DSEVENT_*
|
|||
|
|
* 3) param: in, 回调参数
|
|||
|
|
* 说明:
|
|||
|
|
* 1) 如果event为HGTWAIN_EVENT_XFERREADY, TWAIN状态从5变为6
|
|||
|
|
* 2) 如果event为HGTWAIN_EVENT_CLOSEDSREQ, 表示需要关闭该DS
|
|||
|
|
*/
|
|||
|
|
typedef void (HGAPI *HGTwain_DSEventCallback)(HGTwainDS ds, HGUInt event, HGPointer param);
|
|||
|
|
|
|||
|
|
/* 加载DSM
|
|||
|
|
* 参数:
|
|||
|
|
* 1) dsm: out, DSM句柄
|
|||
|
|
* 说明:
|
|||
|
|
* 1) 执行此函数后，TWAIN状态从1变为2
|
|||
|
|
*/
|
|||
|
|
HGEXPORT HGResult HGAPI HGTwain_LoadDSM(HGTwainDSM *dsm);
|
|||
|
|
|
|||
|
|
/* 卸载DSM
|
|||
|
|
* 参数:
|
|||
|
|
* 1) dsm: in, DSM句柄
|
|||
|
|
* 说明:
|
|||
|
|
* 1) 执行此函数后，TWAIN状态从2变为1
|
|||
|
|
*/
|
|||
|
|
HGEXPORT HGResult HGAPI HGTwain_UnloadDSM(HGTwainDSM dsm);
|
|||
|
|
|
|||
|
|
/* 打开DSM
|
|||
|
|
* 参数:
|
|||
|
|
* 1) dsm: in, DSM句柄
|
|||
|
|
* 说明:
|
|||
|
|
* 1) 执行此函数后，TWAIN状态从2变为3
|
|||
|
|
* 2) 调用该函数的线程需要有消息循环
|
|||
|
|
*/
|
|||
|
|
HGEXPORT HGResult HGAPI HGTwain_OpenDSM(HGTwainDSM dsm);
|
|||
|
|
|
|||
|
|
/* 关闭DSM
|
|||
|
|
* 参数:
|
|||
|
|
* 1) dsm: in, DSM句柄
|
|||
|
|
* 说明:
|
|||
|
|
* 1) 执行此函数后，TWAIN状态从3变为2
|
|||
|
|
*/
|
|||
|
|
HGEXPORT HGResult HGAPI HGTwain_CloseDSM(HGTwainDSM dsm);
|
|||
|
|
|
|||
|
|
/* 获取DS列表
|
|||
|
|
* 参数:
|
|||
|
|
* 1) dsm: in, DSM句柄
|
|||
|
|
* 2) ds: out, DS句柄列表
|
|||
|
|
* 3) size: in, out, DS句柄列表大小/返回的DS句柄数量
|
|||
|
|
* 说明:
|
|||
|
|
* 1) 该函数需要TWAIN状态为3
|
|||
|
|
* 2) size既作为输入, 也作为输出
|
|||
|
|
*/
|
|||
|
|
HGEXPORT HGResult HGAPI HGTwain_GetDSList(HGTwainDSM dsm, HGTwainDS *ds, HGUInt *size);
|
|||
|
|
|
|||
|
|
/* 获取默认的DS
|
|||
|
|
* 参数:
|
|||
|
|
* 1) dsm: in, DSM句柄
|
|||
|
|
* 2) ds: out, DS句柄
|
|||
|
|
* 说明:
|
|||
|
|
* 1) 该函数需要TWAIN状态为3
|
|||
|
|
*/
|
|||
|
|
HGEXPORT HGResult HGAPI HGTwain_GetDefaultDS(HGTwainDSM dsm, HGTwainDS* ds);
|
|||
|
|
|
|||
|
|
/* 弹出DS选择框，并返回选择的DS
|
|||
|
|
* 参数:
|
|||
|
|
* 1) dsm: in, DSM句柄
|
|||
|
|
* 2) ds: out, DS句柄
|
|||
|
|
* 说明:
|
|||
|
|
* 1) 该函数需要TWAIN状态为3
|
|||
|
|
*/
|
|||
|
|
HGEXPORT HGResult HGAPI HGTwain_SelectDS(HGTwainDSM dsm, HGTwainDS* ds);
|
|||
|
|
|
|||
|
|
/* 获取DS名称
|
|||
|
|
* 参数:
|
|||
|
|
* 1) ds: in, DS句柄
|
|||
|
|
* 2) name: out, DS名字数据区地址
|
|||
|
|
* 3) maxLen: in, DS名字数据区长度
|
|||
|
|
* 说明:
|
|||
|
|
* 1) 该函数需要TWAIN状态为3
|
|||
|
|
* 2) size既作为输入, 也作为输出, 返回的size包括空字符
|
|||
|
|
*/
|
|||
|
|
HGEXPORT HGResult HGAPI HGTwain_GetDSName(HGTwainDS ds, HGChar *name, HGUInt maxLen);
|
|||
|
|
|
|||
|
|
/* 打开DS
|
|||
|
|
* 参数:
|
|||
|
|
* 1) ds: in, DS句柄
|
|||
|
|
* 说明:
|
|||
|
|
* 1) 执行此函数后，TWAIN状态从3变为4
|
|||
|
|
*/
|
|||
|
|
HGEXPORT HGResult HGAPI HGTwain_OpenDS(HGTwainDS ds);
|
|||
|
|
|
|||
|
|
/* 关闭DS
|
|||
|
|
* 参数:
|
|||
|
|
* 1) ds: in, DS句柄
|
|||
|
|
* 说明:
|
|||
|
|
* 1) 执行此函数后，TWAIN状态从4变为3
|
|||
|
|
*/
|
|||
|
|
HGEXPORT HGResult HGAPI HGTwain_CloseDS(HGTwainDS ds);
|
|||
|
|
|
|||
|
|
/* 设置DS的能力
|
|||
|
|
* 参数:
|
|||
|
|
* 1) ds: in, DS句柄
|
|||
|
|
* 2) cap: in, 能力
|
|||
|
|
* 3) value: in, 值
|
|||
|
|
* 说明:
|
|||
|
|
* 1) 该函数需要TWAIN状态为4
|
|||
|
|
*/
|
|||
|
|
HGEXPORT HGResult HGAPI HGTwain_SetCapability(HGTwainDS ds, HGUInt cap, HGInt value);
|
|||
|
|
|
|||
|
|
/* 获取DS的能力
|
|||
|
|
* 参数:
|
|||
|
|
* 1) ds: in, DS句柄
|
|||
|
|
* 2) cap: in, 能力
|
|||
|
|
* 3) value: out, 值
|
|||
|
|
* 说明:
|
|||
|
|
* 1) 该函数需要TWAIN状态为4-7
|
|||
|
|
*/
|
|||
|
|
HGEXPORT HGResult HGAPI HGTwain_GetCapability(HGTwainDS ds, HGUInt cap, HGInt* value);
|
|||
|
|
|
|||
|
|
/* 启动DS, 仅仅用作参数设置
|
|||
|
|
* 参数:
|
|||
|
|
* 1) ds: in, DS句柄
|
|||
|
|
* 2) showUI: in, 是否显示UI
|
|||
|
|
* 3) parent: in, 父窗口句柄
|
|||
|
|
* 4) func: in, 回调函数
|
|||
|
|
* 5) param: in, 回调参数
|
|||
|
|
* 说明:
|
|||
|
|
* 1) 执行此函数后，TWAIN状态从4变为5
|
|||
|
|
*/
|
|||
|
|
HGEXPORT HGResult HGAPI HGTwain_EnableDSUIOnly(HGTwainDS ds, HGBool showUI, HWND parent,
|
|||
|
|
HGTwain_DSEventCallback func, HGPointer param);
|
|||
|
|
|
|||
|
|
/* 启动DS
|
|||
|
|
* 参数:
|
|||
|
|
* 1) ds: in, DS句柄
|
|||
|
|
* 2) showUI: in, 是否显示UI
|
|||
|
|
* 3) parent: in, 父窗口句柄
|
|||
|
|
* 4) func: in, 回调函数
|
|||
|
|
* 5) param: in, 回调参数
|
|||
|
|
* 说明:
|
|||
|
|
* 1) 执行此函数后，TWAIN状态从4变为5
|
|||
|
|
*/
|
|||
|
|
HGEXPORT HGResult HGAPI HGTwain_EnableDS(HGTwainDS ds, HGBool showUI, HWND parent,
|
|||
|
|
HGTwain_DSEventCallback func, HGPointer param);
|
|||
|
|
|
|||
|
|
/* 停止DS
|
|||
|
|
* 参数:
|
|||
|
|
* 1) ds: in, DS句柄
|
|||
|
|
* 说明:
|
|||
|
|
* 1) 执行此函数后，TWAIN状态从5变为4
|
|||
|
|
*/
|
|||
|
|
HGEXPORT HGResult HGAPI HGTwain_DisableDS(HGTwainDS ds);
|
|||
|
|
|
|||
|
|
/* 本地传输图像
|
|||
|
|
* 参数:
|
|||
|
|
* 1) ds: in, DS句柄
|
|||
|
|
* 2) type: in, 图像类型
|
|||
|
|
* 3) origin: in, 图像数据排列方式
|
|||
|
|
* 4) image: out, 获取的图像
|
|||
|
|
* 说明:
|
|||
|
|
* 1) 该函数需要在状态6调用
|
|||
|
|
* 2) 执行此函数时，TWAIN状态从6变为7
|
|||
|
|
* 3) 生成的image需要调用HGBase_DestroyImage销毁
|
|||
|
|
*/
|
|||
|
|
HGEXPORT HGResult HGAPI HGTwain_ImageNativeXfer(HGTwainDS ds, HGUInt type, HGUInt origin, HGImage *image);
|
|||
|
|
|
|||
|
|
/* 停止本次传输
|
|||
|
|
* 参数:
|
|||
|
|
* 1) ds: in, DS句柄
|
|||
|
|
* 2) count: out, 还剩下的未传输的图像数量
|
|||
|
|
* 说明:
|
|||
|
|
* 1) 执行此函数后，TWAIN状态变为6
|
|||
|
|
* 2) 当count为0时, 可以关闭DS
|
|||
|
|
*/
|
|||
|
|
HGEXPORT HGResult HGAPI HGTwain_EndXfer(HGTwainDS ds, HGUInt* count);
|
|||
|
|
|
|||
|
|
/* 停止所有传输
|
|||
|
|
* 参数:
|
|||
|
|
* 1) ds: in, DS句柄
|
|||
|
|
* 说明:
|
|||
|
|
* 1) 执行此函数后，TWAIN状态变为5
|
|||
|
|
* 2) 可以关闭DS
|
|||
|
|
*/
|
|||
|
|
HGEXPORT HGResult HGAPI HGTwain_Reset(HGTwainDS ds);
|
|||
|
|
|
|||
|
|
#endif /* __HGTWAIN_H__ */
|