590 lines
23 KiB
C#
590 lines
23 KiB
C#
using System;
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using System.Drawing;
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using System.Drawing.Imaging;
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using System.IO;
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using System.Runtime.InteropServices;
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using System.Windows.Forms;
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using System;
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using System.Text;
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namespace DNScanner.Scan
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{
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/**
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* 华高扫描实现
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*
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**/
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class HgScan
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{
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[DllImport("hgscannersdk.dll", EntryPoint = "HG_Init", CallingConvention = CallingConvention.Cdecl)]
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public static extern void HG_Init();
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[DllImport("hgscannersdk.dll", EntryPoint = "HG_CloseScanner", CallingConvention = CallingConvention.Cdecl)]
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public static extern void HG_CloseScanner();
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[DllImport("hgscannersdk.dll", EntryPoint = "HG_GetDevices", CallingConvention = CallingConvention.Cdecl, CharSet = CharSet.Ansi)]
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public static extern IntPtr HG_GetDevices(string sep);
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[DllImport("hgscannersdk.dll", EntryPoint = "HG_OpenScanner", CallingConvention = CallingConvention.Cdecl, CharSet = CharSet.Ansi)]
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public static extern IntPtr HG_OpenScanner(string deviceName);
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[DllImport("hgscannersdk.dll", EntryPoint = "HG_ImgSaveType", CallingConvention = CallingConvention.Cdecl, CharSet = CharSet.Ansi)]
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public static extern IntPtr HG_ImgSaveType(string deviceName);
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[DllImport("hgscannersdk.dll", EntryPoint = "HG_StartScan", CallingConvention = CallingConvention.Cdecl)]
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public static extern int HG_StartScan(IntPtr handle, int count);
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[DllImport("hgscannersdk.dll", EntryPoint = "HG_SET_IMG_COMPRESSION", CallingConvention = CallingConvention.Cdecl)]
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public static extern void HG_SET_IMG_COMPRESSION(int count);
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[DllImport("hgscannersdk.dll", EntryPoint = "HG_StopScan", CallingConvention = CallingConvention.Cdecl)]
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public static extern int HG_StopScan(IntPtr handle);
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[DllImport("hgscannersdk.dll", EntryPoint = "HG_Set_Scan_Params", CallingConvention = CallingConvention.Cdecl)]
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public static extern int HG_Set_Scan_Params(IntPtr handle, HG_SCANPARAMS param);
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[DllImport("hgscannersdk.dll", EntryPoint = "HG_Get_Scan_Params", CallingConvention = CallingConvention.Cdecl)]
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public static extern int HG_Get_Scan_Params(IntPtr handle, ref HG_SCANPARAMS param);
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[DllImport("hgscannersdk.dll", EntryPoint = "HG_Set_AquireImg_callback", CallingConvention = CallingConvention.Cdecl)]
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public static extern void HG_Set_AquireImg_callback(HG_OnImage_Callback callBack, IntPtr obj);
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[DllImport("hgscannersdk.dll", EntryPoint = "HG_Set_OnDeviceEvent_callback", CallingConvention = CallingConvention.Cdecl)]
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public static extern void HG_Set_OnDeviceEvent_callback(HG_OnDevice_Event_Callback callBack, IntPtr obj);
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[UnmanagedFunctionPointer(CallingConvention.Cdecl)]
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public delegate void HG_OnImage_Callback(IntPtr img, IntPtr obj);
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[UnmanagedFunctionPointer(CallingConvention.Cdecl)]
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public delegate void HG_OnDevice_Event_Callback(HG_STATUSCODE code, IntPtr obj);
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public enum HG_PAPERTYPE
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{
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HG_None = 0,
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HG_A4Letter = 1,
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HG_A4 = 1,
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HG_B5Letter = 2,
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HG_JISB5 = 2,
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HG_B5 = 2,
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HG_USLetter = 3,
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HG_USLegal = 4,
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HG_A5 = 5,
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HG_B4 = 6,
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HG_ISOB4 = 6,
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HG_B6 = 7,
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HG_ISOB6 = 7,
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HG_USLedger = 9,
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HG_USExecutive = 10,
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HG_A3 = 11,
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HG_B3 = 12,
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HG_ISOB3 = 12,
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HG_A6 = 13,
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HG_C4 = 14,
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HG_C5 = 15,
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HG_C6 = 16,
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HG__4A0 = 17,
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HG__2A0 = 18,
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HG_A0 = 19,
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HG_A1 = 20,
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HG_A2 = 21,
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HG_A7 = 22,
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HG_A8 = 23,
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HG_A9 = 24,
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HG_A10 = 25,
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HG_ISOB0 = 26,
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HG_ISOB1 = 27,
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HG_ISOB2 = 28,
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HG_ISOB5 = 29,
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HG_ISOB7 = 30,
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HG_ISOB8 = 31,
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HG_ISOB9 = 32,
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HG_ISOB10 = 33,
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HG_JISB0 = 34,
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HG_JISB1 = 35,
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HG_JISB2 = 36,
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HG_JISB3 = 37,
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HG_JISB4 = 38,
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HG_JISB6 = 39,
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HG_JISB7 = 40,
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HG_JISB8 = 41,
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HG_JISB9 = 42,
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HG_JISB10 = 43,
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HG_C0 = 44,
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HG_C1 = 45,
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HG_C2 = 46,
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HG_C3 = 47,
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HG_C7 = 48,
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HG_C8 = 49,
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HG_C9 = 50,
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HG_C10 = 51,
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HG_USStatement = 52,
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HG_MaxSize = 54,
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};
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public enum HG_FILTER
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{
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HG_FILTER_RED, /* 除红色 */
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HG_FILTER_GREEN, /* 除绿色 */
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HG_FILTER_BLUE, /* 除蓝色 */
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HG_FILTER_NONE, /* 无除色 */
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HG_FILTER_ALL, /* 全除色 */
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HG_ENHANCE_RED, /* 红色增强 */
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HG_ENHANCE_GREEN, /* 绿色增强 */
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HG_ENHANCE_BLUE /* 蓝色增强 */
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};
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public enum HG_COLORMODE
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{
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HG_BlackWhite, /* 黑白 */
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HG_Gray, /* 灰度 */
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HG_RGB /* 彩色 */
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};
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public enum HG_MULTIOUTPUT
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{
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HG_Unused = -1, /* 无 */
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HG_All, /* 彩色+灰度+黑白 */
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HG_ColorGray, /* 彩色+灰度 */
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HG_ColorBw, /* 彩色+黑白 */
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HG_GrayBw /* 灰度+黑白 */
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};
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/*缓存文件格式*/
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public enum HG_CACHEIMGFORMAT
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{
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HG_CJPG,
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HG_CPNG,
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HG_CBMP,
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HG_CTIFF
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};
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public enum HG_PAPERALIGN
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{
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HG_Rot0 = 0, /* 纵向 */
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HG_Rot270 = 3 /* 横向 */
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};
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public enum HG_SHARPENTYPE
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{
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HG_STNone, /* 无滤镜 */
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HG_Sharpen, /* 锐化 */
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HG_SharpenMore, /* 锐化加强 */
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HG_Blur, /* 模糊 */
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HG_BlurMore /* 模糊加强 */
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};
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public enum HG_ORENTATION
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{
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HG_ROTATE_NONE = 0, /* 无旋转 */
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HG_ROTATE_90, /* 旋转逆时针90度 */
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HG_ROTATE_180, /* 旋转180度 */
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HG_ROTATE_270, /* 旋转顺时针90度 */
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HG_AUTOTEXT_DETECT /* 文稿方向识别 */
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};
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public enum HG_STATUSCODE
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{
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HG_STATUS_SCANNING = 1, /* 正在扫描 */
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HG_STATUS_SCANSTOP, /* 扫描停止 */
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HG_STATUS_NO_FEED, /* 无纸 */
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HG_STATUS_COVEROPEN, /* 开盖 */
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HG_STATUS_FEED_IN_ERROR, /* 馈纸错误 */
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HG_STATUS_PAPER_JAM, /* 卡纸 */
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HG_STATUS_DETECT_STAPLE, /* 订书钉 */
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HG_STATUS_DETECT_DOUBLE_FEED, /* 双张 */
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HG_STATUS_DETECT_SIZECHECKERROR, /* 尺寸检测错误 */
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HG_STATUS_PAPER_SKEW, /* 纸张歪斜 */
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HG_STATUS_USBCONNECT, /* 设备已连接 */
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HG_STATUS_USBDISCONNECT, /* 设备未连接 */
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HG_STATUS_USBERROR /* USB错误 */
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};
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public enum HG_TRANSFERMODE
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{
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HG_XFERMEMORY, /* 内存保存图像信息 */
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HG_XFERFILE /* 图像文件保存图像信息 */
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};
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[StructLayout(LayoutKind.Sequential, Pack = 4)]
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public struct HG_FILLHOLE
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{
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public int enable; /* 使能：开启该功能为true；关闭该功能为false */
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public int ratio; /* 穿孔搜索范围（从边缘到页面中心比例）：1~50，对应1%~50% */
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};
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[StructLayout(LayoutKind.Sequential, Pack = 4)]
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public struct HG_HARDWARECAPS
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{
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public int capturepixtype; /* 颜色模式 */
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public int doubleFeedDetection; /* 双张检测 */
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public int bindingDetection; /* 订书钉检测 */
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};
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[StructLayout(LayoutKind.Sequential, Pack = 4)]
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public struct HG_SCANSIDE
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{
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public int Duplex; /* 1: both ; 0: front */
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public int DiscardBlank; /* 跳过空白页通用 0:disable 1: enbale */
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public int DiscardBlankVince; /* 跳过空白页（发票）0:disable 1: enbale */
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public int Fold; /* 对折 0:disable 1: enbale */
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public int SwitchFrontBack; /* 互换正反面 0:disable 1: enbale */
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};
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[StructLayout(LayoutKind.Sequential, Pack = 4)]
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public struct HG_IMG
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{
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public int width; /* 像素宽度 */
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public int height; /* 像素高度 */
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public int bitdepth; /* 位深 */
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public IntPtr pimgdata; /* 数据指针 */
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public int bytesperline; /* 每行数据长度 */
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public int bufferlength; /*bmp buffer 长度*/
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};
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[StructLayout(LayoutKind.Sequential, Pack = 4)]
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public struct HG_IMAGEPROCESS
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{
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public int AutoCrop; /* 自动裁剪尺寸 */
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public int Brightness; /* 1~255 */
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public int Contrast; /* 1~7 */
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public float Gamma; /* 0.1f~5.0f */
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public int FillBlackRect; /* 消除黑框 */
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public int AutoDescrew; /* 自动纠偏 */
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public int RefuseInflow; /* 防止渗透 */
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public HG_FILLHOLE FillHole; /* 填穿孔参数 */
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public HG_FILTER Filter; /* 除色与颜色增强 */
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public int ColorCorrection; /* 色彩校正 */
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public int RemoveMorr; /* 去除摩尔纹 */
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public int ErrorExtention; /* 错误扩散 */
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public int NosieDetach; /* 噪点优化 */
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public int NosieDetachEnable; /* 噪点优化使能 */
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public int TextureRemove; /* 除网纹 */
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public int Indent; /* 边缘缩进像素 */
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public int Noise; /* 降噪像素点 */
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public int AutoCrop_threshold; /* 自动裁剪二值化阀值 */
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public bool Is_convex; /* 填充黑框方式 */
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public HG_SHARPENTYPE SharpenType; /* 滤镜类型 */
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public int MultiOutFilterRed; /* 多流输出除红 */
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public int AnswerSheetFilterRed; /* 答题卡除红 */
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public HG_ORENTATION Orentation; /* 图像旋转 */
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public int BackRotate180; /* 背面旋转180 */
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public int SplitImage; /* 图像拆分 */
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public int DiscardBlankThre; /* 跳过空白页阈值 */
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};
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[StructLayout(LayoutKind.Sequential, Pack = 4)]
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public struct HG_SCANPARAMS
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{
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public HG_COLORMODE PixelType; /* 色彩：彩色/灰度/黑白 */
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public HG_MULTIOUTPUT MultiOutput; /* 多流输出：彩色+灰度+黑白 */
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public HG_PAPERTYPE PaperSize; /* 幅面 */
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public HG_PAPERALIGN PaperAlign; /* 文档方向 */
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public HG_CACHEIMGFORMAT CacheFormat; /* 缓存图像格式*/
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public int Resolution; /* 分辨率：100/150/200/300/600 */
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public HG_SCANSIDE ScanSide; /* 正反面：正面/正反双面 */
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public HG_IMAGEPROCESS ImageProcess; /* 图像处理 */
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public HG_HARDWARECAPS HardwareParam; /* 硬件参数 */
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};
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private string selectedScanner;
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private IntPtr scannerHandle = IntPtr.Zero;
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private static HG_OnImage_Callback imageCallback = new HG_OnImage_Callback(ImageCallback);
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private static HG_OnDevice_Event_Callback deviceCallback = new HG_OnDevice_Event_Callback(DeviceCallback);
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public int initDriver()
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{
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HG_Init();
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return 0;
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}
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public int unloadDriver()
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{
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HG_CloseScanner();
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scannerHandle = IntPtr.Zero;
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return 0;
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}
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public void initInstance()
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{
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string aa = "，";
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var ret = HG_GetDevices(aa);
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selectedScanner = Marshal.PtrToStringAnsi(ret);
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}
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public void initSetting()
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{
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}
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/// <summary>
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/// 热效参数设置
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/// </summary>
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public int TimelySetParams()
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{
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if (scannerHandle == IntPtr.Zero)
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{
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HG_Set_OnDeviceEvent_callback(deviceCallback, IntPtr.Zero);
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if (selectedScanner == null)
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return -1;
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scannerHandle = HG_OpenScanner(selectedScanner);
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if (scannerHandle == IntPtr.Zero)
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{
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return -1;
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}
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}
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//string imt_tye = ".jpg";
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//HG_ImgSaveType(imt_tye);
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HG_SET_IMG_COMPRESSION(20);
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HG_SCANPARAMS scanParams = new HG_SCANPARAMS();
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int retVal = HG_Get_Scan_Params(scannerHandle, ref scanParams);
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if (retVal != 0)
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{
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return retVal;
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}
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//HG_SCANPARAMS scanParams = (HG_SCANPARAMS)Marshal.PtrToStructure(param, typeof(HG_SCANPARAMS));
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//设置当前使用的配置项
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scanParams.PixelType = HG_COLORMODE.HG_BlackWhite;
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scanParams.MultiOutput = HG_MULTIOUTPUT.HG_Unused;
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scanParams.PaperSize = HG_PAPERTYPE.HG_None;
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scanParams.PaperAlign = (HG_PAPERALIGN.HG_Rot0);
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scanParams.ImageProcess.AutoCrop = 1;
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int resolution = 200;
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scanParams.Resolution = resolution;
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int duplex = 1;
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scanParams.ScanSide.Duplex = duplex;
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scanParams.ImageProcess.FillBlackRect = 1;
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scanParams.ImageProcess.AutoDescrew = 1;
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scanParams.HardwareParam.doubleFeedDetection = 1;
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scanParams.HardwareParam.bindingDetection = 1;
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scanParams.ImageProcess.AutoCrop_threshold = 40;
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scanParams.ImageProcess.Orentation = HG_ORENTATION.HG_AUTOTEXT_DETECT;
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retVal = HG_Set_Scan_Params(scannerHandle, scanParams);
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if (retVal != 0)
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{
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return retVal;
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}
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return retVal;
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}
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static int imgindex = 0;
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public static ImageCodecInfo GetEncoderInfo(String mimeType)
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{
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int j;
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ImageCodecInfo[] encoders;
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encoders = ImageCodecInfo.GetImageEncoders();
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for (j = 0; j < encoders.Length; ++j)
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{
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if (encoders[j].MimeType == mimeType)
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return encoders[j];
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}
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return null;
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}
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public static void ImageCallback(IntPtr img, IntPtr obj)
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{
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//
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{
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//logger.Debug("Image callback invoked.");
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}
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if (img == IntPtr.Zero)
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{
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return;
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}
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HG_IMG image = (HG_IMG)Marshal.PtrToStructure(img, typeof(HG_IMG));
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//
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{
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//logger.Debug("The result for image is: width -> " + image.width + ", height -> " + image.height + ", bitdepth -> " + image.bitdepth + ", bytesperline -> " + image.bytesperline);
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}
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if (image.height == 0 || image.width == 0 || image.bitdepth == 0)
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{
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//r.IsErrorEnabled)
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{
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//logger.Error("Image is invalid.");
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}
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return;
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}
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string destFileName = "aa.tiff";
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// 从图像数据生成文件
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byte[] data = new byte[image.bufferlength];
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Marshal.Copy(image.pimgdata, data, 0, image.bufferlength);
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//for (int i = 0; i < 12; i++)
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//{
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// //logger.Debug("Byte content is: " + data[i]);
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//}
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var ptr= Marshal.UnsafeAddrOfPinnedArrayElement(data, 0);
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Bitmap bmp;
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long Qty = 20;
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using (var stream = new MemoryStream(data))
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{
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bmp = new Bitmap(stream);
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System.Drawing.Imaging.Encoder myEncoder = System.Drawing.Imaging.Encoder.Quality;
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EncoderParameters myEncoderParameters = new EncoderParameters(1);
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EncoderParameter myEncoderParameter = new EncoderParameter(myEncoder, 50L);
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myEncoderParameters.Param[0] = myEncoderParameter;
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ImageCodecInfo myImageCodecInfo = GetEncoderInfo("image/jpeg");
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/* EncoderParameter myEncoderParameter;
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EncoderParameters myEncoderParameters;
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ImageCodecInfo myImageCodecInfo =
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ImageCodecInfo.GetImageDecoders()[0];
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//设置图像颜色深度参数colordepth为8位，并加入到编码器参数parameters中
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myEncoder = System.Drawing.Imaging.Encoder.Compression;
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myEncoderParameters = new EncoderParameters(1);
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// myEncoderParameter = new EncoderParameter(myEncoder, Qty);
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myEncoderParameter = new EncoderParameter(System.Drawing.Imaging.Encoder.Quality, 20L);
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myEncoderParameters.Param[0] = myEncoderParameter;*/
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// bmp.Save((imgindex++).ToString() + ".jpg");
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// bmp.Save((imgindex++).ToString() + ".jpg", ImageFormat.Bmp);
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// bmp.Save((imgindex++).ToString() + ".jpg", myImageCodecInfo, myEncoderParameters);
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// 文件写入
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FileStream fs = new FileStream((imgindex++).ToString() + ".jpg", FileMode.Create);
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StreamWriter sw = new StreamWriter(fs);
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//开始写入
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fs.Write(data, 0, image.bufferlength);
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//清空缓冲区
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fs.Flush();
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//关闭流
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sw.Close();
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fs.Close();
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// using (FileStream fsWrite = new FileStream((imgindex++).ToString() + ".jpg", FileMode.Append, FileAccess.Write))
|
||
{
|
||
//Console.WriteLine(stream); //提示用户输入字符串
|
||
// string str = Console.ReadLine(); //接收用户输入的字符串
|
||
// byte[] array = Encoding.UTF8.GetBytes(Encoding.ASCII.GetChars(data)); //将字符串转换为字节数组
|
||
// fsWrite.Write(data, 0, image.bufferlength); //将字节数组写入到文本文件
|
||
//Consoele.WriteLine("写入成功");
|
||
// Console.ReadKey();
|
||
// fsWrite.Close();
|
||
}
|
||
|
||
}
|
||
System.IO.MemoryStream ms = new System.IO.MemoryStream(data);
|
||
System.Drawing.Image img1 = System.Drawing.Image.FromStream(ms);
|
||
//保存到磁盘文件
|
||
string imagePath = System.IO.Path.Combine();
|
||
// if (!System.IO.Directory.Exists(imagePath))
|
||
// System.IO.Directory.CreateDirectory(imagePath);
|
||
// img1.Save(System.IO.Path.Combine(imagePath, (imgindex++).ToString() + ".TIF"), System.Drawing.Imaging.ImageFormat.Jpeg);
|
||
ms.Dispose();
|
||
|
||
|
||
// MessageBox.Show("图片已保存至：" + m_ImagrRootDir);
|
||
|
||
//bmp.Save(imgindex.ToString() + ".bmp", ImageFormat.Bmp);
|
||
//bmp.Save(destFileName, ImageFormat.Tiff);
|
||
//
|
||
{
|
||
//logger.Debug("Save scan result into file: " + destFileName);
|
||
}
|
||
// 通过图像路径地址显示
|
||
|
||
}
|
||
|
||
public static void DeviceCallback(HG_STATUSCODE code, IntPtr obj)
|
||
{
|
||
|
||
switch (code)
|
||
{
|
||
case HG_STATUSCODE.HG_STATUS_SCANNING:
|
||
|
||
break;
|
||
case HG_STATUSCODE.HG_STATUS_SCANSTOP:
|
||
|
||
break;
|
||
case HG_STATUSCODE.HG_STATUS_NO_FEED:
|
||
|
||
MessageBox.Show("没有纸");
|
||
break;
|
||
case HG_STATUSCODE.HG_STATUS_COVEROPEN:
|
||
|
||
break;
|
||
case HG_STATUSCODE.HG_STATUS_FEED_IN_ERROR:
|
||
|
||
MessageBox.Show("进纸错误");
|
||
break;
|
||
case HG_STATUSCODE.HG_STATUS_PAPER_JAM:
|
||
|
||
MessageBox.Show("卡纸");
|
||
break;
|
||
case HG_STATUSCODE.HG_STATUS_DETECT_STAPLE:
|
||
|
||
MessageBox.Show("检测到订书钉");
|
||
break;
|
||
case HG_STATUSCODE.HG_STATUS_DETECT_DOUBLE_FEED:
|
||
|
||
MessageBox.Show("检测到双页进纸");
|
||
break;
|
||
case HG_STATUSCODE.HG_STATUS_DETECT_SIZECHECKERROR:
|
||
|
||
break;
|
||
case HG_STATUSCODE.HG_STATUS_PAPER_SKEW:
|
||
|
||
MessageBox.Show("纸张歪斜");
|
||
break;
|
||
case HG_STATUSCODE.HG_STATUS_USBCONNECT:
|
||
|
||
break;
|
||
case HG_STATUSCODE.HG_STATUS_USBDISCONNECT:
|
||
|
||
break;
|
||
case HG_STATUSCODE.HG_STATUS_USBERROR:
|
||
|
||
break;
|
||
default:
|
||
|
||
break;
|
||
}
|
||
}
|
||
|
||
public int scanExec()
|
||
{
|
||
|
||
TimelySetParams();
|
||
HG_Set_AquireImg_callback(imageCallback, IntPtr.Zero);
|
||
|
||
// 输入参数 -1: 连续扫描 >=1: 指定页数
|
||
int retVal = HG_StartScan(scannerHandle, -1);
|
||
if (retVal != 0)
|
||
{
|
||
|
||
MessageBox.Show("扫描时发生错误，错误码: " + retVal);
|
||
}
|
||
|
||
return retVal;
|
||
}
|
||
public int stopscan()
|
||
{
|
||
// 重置扫描状态
|
||
|
||
int retVal = HG_StopScan(scannerHandle);
|
||
if (retVal != 0)
|
||
{
|
||
|
||
}
|
||
// HG_CloseScanner();
|
||
// scannerHandle = IntPtr.Zero;
|
||
|
||
return retVal; ;
|
||
}
|
||
protected int scanCancel()
|
||
{
|
||
|
||
// 重置扫描状态
|
||
|
||
int retVal = HG_StopScan(scannerHandle);
|
||
if (retVal != 0)
|
||
{
|
||
|
||
}
|
||
HG_CloseScanner();
|
||
scannerHandle = IntPtr.Zero;
|
||
|
||
return retVal;
|
||
}
|
||
}
|
||
}
|