Mil学习之显示、鼠标交互、交互绘图、交互Mask

        将常用的Mil绘图功能集成到了一起，里面分成两个类：一个用来显示、一个用来交互绘制。绘制部分几乎集成了所有常用功能，包括矩形、旋转矩形、圆形、圆弧、圆形ROI、弧形ROI、椭圆形、半透Mask掩膜。

附代码 （Mil X）  - 绘制部分

// MilDrtaw
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using Matrox.MatroxImagingLibrary;
using System.Runtime.InteropServices;
using System.Windows.Forms;
using System.Diagnostics;
using System.Threading;namespace MilDraw
{public struct MilPoint{public double x;public double y;public void CopyTo(ref MilPoint Pt){Pt.x = x; Pt.y = y;}}public struct MilSegment{public MilPoint ptS;public MilPoint ptE;}public struct MilLine{public double A;public double B;public double C;public double Get_k(){double dk = 0;if (B != 0)dk = (-1) * A / B;elsedk = (-1) * A > 0 ? 0 / .0 : 0 / .0;return dk;}public double Get_b(){double db = 0;if (B != 0)db = (-1) * C / B;elsedb = (-1) * C > 0 ? 0 / .0 : 0 / .0;return db;}}public struct Rect{public MilPoint ptTL;public MilPoint ptDR;}public struct RectAngle{public MilPoint ptCenter;public double Width;public double Height;public double Angle;}public struct Arc{public MilPoint ptCenter;public double AngleS;public double AngleE;public double dRx;public double dRy;}public struct ArcRegion{public MilPoint ptCenter;public double AngleS;public double AngleE;public double dR;public double dRmin;public double dRmax;}public struct Circle{public MilPoint ptCenter;public double dRx;public double dRy;public double Angle;}public struct CircleRegion{public MilPoint ptCenter;public double dR;public double dRmin;public double dRmax;}public enum DRAW_TYPE{DRAW_NONE,DRAW_LINE,DRAW_RECT,DRAW_RECT_ANGLE,DRAW_CIRCLE,DRAW_CIRCLE_REGION,DRAW_ARC,DRAW_ARC_REGION,DRAW_ELLIPSE,//DRAW_ELLIPSE_ARC,// Mil这个绘图有Bug，会晃动DRAW_POLYLINE,DRAW_POLYGON,DRAW_MASK}public class MilGraphicShow{public MIL_ID MilSystem;public MIL_ID MilDisplay;public MIL_ID MilGraphList;public MIL_ID MilGraphContext;public MIL_ID MilImage;public int MilImageSizeX;public int MilImageSizeY;public bool MouseLeftKeyDown;public bool MouseRightKeyDown;public GCHandle thisPtr;public Panel panel = null;public MilGraphicDraw draw = null;public MilPoint ptRoiInImageStart;   // ROI移动时调用，起点public MilPoint ptRoiInImageEnd;     // ROI移动时调用，终点public MilPoint ptCurMousePos;       // 当前鼠标在Panel控件的像素坐标public MilPoint ptCurPixelPos;       // 当前鼠标缩放到原图中的实时像素坐标public MilPoint ptPixelBtnLDown;     // 当前鼠标左键点下放到原图像素坐标public MilPoint ptPixelBtnLUp;       // 当前鼠标左键抬起放到原图像素坐标// 托管函数句柄public static MIL_DISP_HOOK_FUNCTION_PTR MouseMoveHookFuncPtr = new MIL_DISP_HOOK_FUNCTION_PTR(MouseMoveHookFunc);public static MIL_DISP_HOOK_FUNCTION_PTR MouseLeftKeyDownHookFuncPtr = new MIL_DISP_HOOK_FUNCTION_PTR(MouseLeftKeyDownHookFunc);public static MIL_DISP_HOOK_FUNCTION_PTR MouseLeftKeyUpHookFuncPtr = new MIL_DISP_HOOK_FUNCTION_PTR(MouseLeftKeyUpHookFunc);public static MIL_DISP_HOOK_FUNCTION_PTR MouseRightKeyDownHookFuncPtr = new MIL_DISP_HOOK_FUNCTION_PTR(MouseRightKeyDownHookFunc);public static MIL_DISP_HOOK_FUNCTION_PTR MouseRightKeyUpHookFuncPtr = new MIL_DISP_HOOK_FUNCTION_PTR(MouseRightKeyUpHookFunc);public static MIL_DISP_HOOK_FUNCTION_PTR ROIChangeEndHookFuncPtr = new MIL_DISP_HOOK_FUNCTION_PTR(ROIChangeEndHookFunc);public static MIL_DISP_HOOK_FUNCTION_PTR ROIChangeHookFuncPtr = new MIL_DISP_HOOK_FUNCTION_PTR(ROIChangeHookFunc);public static MIL_GRA_HOOK_FUNCTION_PTR GraHookFuncPtr = new MIL_GRA_HOOK_FUNCTION_PTR(GraHookFunc);public MilGraphicShow(MIL_ID MilSystem, MIL_ID MilDisplay, MIL_ID MilDispImage, Panel panel_){MilGraphList = MIL.M_NULL;MilGraphContext = MIL.M_NULL;MilImage = MIL.M_NULL;thisPtr = GCHandle.Alloc(this);if (MilDisplay != MIL.M_NULL && MilSystem != MIL.M_NULL){this.MilSystem = MilSystem;this.MilDisplay = MilDisplay;this.MilImage = MilDispImage;this.panel = panel_;MilImageSizeX = (int)MIL.MbufInquire(MilImage, MIL.M_SIZE_X, MIL.M_NULL);MilImageSizeY = (int)MIL.MbufInquire(MilImage, MIL.M_SIZE_Y, MIL.M_NULL);if (panel_.Handle != IntPtr.Zero && MilDispImage != MIL.M_NULL){MIL.MgraAlloc(MilSystem, ref MilGraphContext);MIL.MdispSelectWindow(MilDisplay, MilDispImage, panel_.Handle);MIL.MgraAllocList(MilSystem, MIL.M_DEFAULT, ref MilGraphList);MIL.MdispControl(MilDisplay, MIL.M_ASSOCIATED_GRAPHIC_LIST_ID, MilGraphList);}MIL.MdispControl(MilDisplay, MIL.M_CENTER_DISPLAY, MIL.M_ENABLE);MIL.MdispControl(MilDisplay, MIL.M_SCALE_DISPLAY, MIL.M_ENABLE);MIL.MdispControl(MilDisplay, MIL.M_MOUSE_USE, MIL.M_ENABLE);MIL.MdispControl(MilDisplay, MIL.M_MOUSE_CURSOR_CHANGE, MIL.M_ENABLE);MIL.MdispHookFunction(MilDisplay, MIL.M_MOUSE_MOVE, MouseMoveHookFuncPtr, GCHandle.ToIntPtr(thisPtr));MIL.MdispHookFunction(MilDisplay, MIL.M_MOUSE_LEFT_BUTTON_DOWN, MouseLeftKeyDownHookFuncPtr, GCHandle.ToIntPtr(thisPtr));MIL.MdispHookFunction(MilDisplay, MIL.M_MOUSE_LEFT_BUTTON_UP, MouseLeftKeyUpHookFuncPtr, GCHandle.ToIntPtr(thisPtr));MIL.MdispHookFunction(MilDisplay, MIL.M_MOUSE_RIGHT_BUTTON_DOWN, MouseRightKeyDownHookFuncPtr, GCHandle.ToIntPtr(thisPtr));MIL.MdispHookFunction(MilDisplay, MIL.M_MOUSE_RIGHT_BUTTON_UP, MouseRightKeyUpHookFuncPtr, GCHandle.ToIntPtr(thisPtr));MIL.MdispHookFunction(MilDisplay, MIL.M_ROI_CHANGE_END, ROIChangeEndHookFuncPtr, GCHandle.ToIntPtr(thisPtr));MIL.MdispHookFunction(MilDisplay, MIL.M_ROI_CHANGE, ROIChangeHookFuncPtr, GCHandle.ToIntPtr(thisPtr));MIL.MgraHookFunction(MilGraphList, MIL.M_GRAPHIC_MODIFIED, GraHookFuncPtr, GCHandle.ToIntPtr(thisPtr));}}public void MilFree(){if (MilDisplay != MIL.M_NULL){MIL.MdispHookFunction(MilDisplay, MIL.M_MOUSE_MOVE + MIL.M_UNHOOK, MouseMoveHookFuncPtr, GCHandle.ToIntPtr(thisPtr));MIL.MdispHookFunction(MilDisplay, MIL.M_MOUSE_LEFT_BUTTON_DOWN + MIL.M_UNHOOK, MouseLeftKeyDownHookFuncPtr, GCHandle.ToIntPtr(thisPtr));MIL.MdispHookFunction(MilDisplay, MIL.M_MOUSE_LEFT_BUTTON_UP + MIL.M_UNHOOK, MouseLeftKeyUpHookFuncPtr, GCHandle.ToIntPtr(thisPtr));MIL.MdispHookFunction(MilDisplay, MIL.M_ROI_CHANGE_END + MIL.M_UNHOOK, ROIChangeEndHookFuncPtr, GCHandle.ToIntPtr(thisPtr));MIL.MdispHookFunction(MilDisplay, MIL.M_ROI_CHANGE + MIL.M_UNHOOK, ROIChangeHookFuncPtr, GCHandle.ToIntPtr(thisPtr));MIL.MgraHookFunction(MilGraphList, MIL.M_GRAPHIC_MODIFIED + MIL.M_UNHOOK, GraHookFuncPtr, GCHandle.ToIntPtr(thisPtr));MIL.MdispControl(MilDisplay, MIL.M_CENTER_DISPLAY, MIL.M_DISABLE);MIL.MdispControl(MilDisplay, MIL.M_SCALE_DISPLAY, MIL.M_DISABLE);MIL.MdispControl(MilDisplay, MIL.M_MOUSE_USE, MIL.M_DISABLE);MIL.MdispControl(MilDisplay, MIL.M_MOUSE_CURSOR_CHANGE, MIL.M_DISABLE);}if (MilGraphList != MIL.M_NULL){MIL.MgraFree(MilGraphList);MilGraphList = MIL.M_NULL;}if (MilGraphContext != MIL.M_NULL){MIL.MgraFree(MilGraphContext);MilGraphContext = MIL.M_NULL;}}static MIL_INT MouseMoveHookFunc(MIL_INT HookType, MIL_ID EventID, IntPtr UserDataPtr){GCHandle gch = GCHandle.FromIntPtr(UserDataPtr);MilGraphicShow graphic = (MilGraphicShow)gch.Target;MIL_INT px = 0;MIL_INT py = 0;MIL.MdispGetHookInfo(EventID, MIL.M_MOUSE_POSITION_X, ref px); graphic.ptCurMousePos.x = px;MIL.MdispGetHookInfo(EventID, MIL.M_MOUSE_POSITION_Y, ref py); graphic.ptCurMousePos.y = py;MIL.MdispGetHookInfo(EventID, MIL.M_MOUSE_POSITION_BUFFER_X, ref graphic.ptCurPixelPos.x);MIL.MdispGetHookInfo(EventID, MIL.M_MOUSE_POSITION_BUFFER_Y, ref graphic.ptCurPixelPos.y);if (graphic.draw != null)graphic.draw.MouseMove(EventID);return 0;}static MIL_INT MouseLeftKeyDownHookFunc(MIL_INT HookType, MIL_ID EventID, IntPtr UserDataPtr){GCHandle gch = GCHandle.FromIntPtr(UserDataPtr);MilGraphicShow graphic = (MilGraphicShow)gch.Target;graphic.MouseLeftKeyDown = true;MIL.MdispGetHookInfo(EventID, MIL.M_MOUSE_POSITION_BUFFER_X, ref graphic.ptPixelBtnLDown.x);MIL.MdispGetHookInfo(EventID, MIL.M_MOUSE_POSITION_BUFFER_Y, ref graphic.ptPixelBtnLDown.y);if (graphic.draw != null)graphic.draw.BtnLDown(EventID);return 0;}static MIL_INT MouseLeftKeyUpHookFunc(MIL_INT HookType, MIL_ID EventID, IntPtr UserDataPtr){GCHandle gch = GCHandle.FromIntPtr(UserDataPtr);MilGraphicShow graphic = (MilGraphicShow)gch.Target;MIL.MdispGetHookInfo(EventID, MIL.M_MOUSE_POSITION_BUFFER_X, ref graphic.ptPixelBtnLUp.x);MIL.MdispGetHookInfo(EventID, MIL.M_MOUSE_POSITION_BUFFER_Y, ref graphic.ptPixelBtnLUp.y);if (graphic.draw != null)graphic.draw.BtnLUp(EventID);graphic.MouseLeftKeyDown = false;return 0;}static MIL_INT MouseRightKeyDownHookFunc(MIL_INT HookType, MIL_ID EventID, IntPtr UserDataPtr){GCHandle gch = GCHandle.FromIntPtr(UserDataPtr);MilGraphicShow graphic = (MilGraphicShow)gch.Target;graphic.MouseRightKeyDown = true;MIL.MdispGetHookInfo(EventID, MIL.M_MOUSE_POSITION_BUFFER_X, ref graphic.ptPixelBtnLDown.x);MIL.MdispGetHookInfo(EventID, MIL.M_MOUSE_POSITION_BUFFER_Y, ref graphic.ptPixelBtnLDown.y);if (graphic.draw != null)graphic.draw.BtnRDown(EventID);return 0;}static MIL_INT MouseRightKeyUpHookFunc(MIL_INT HookType, MIL_ID EventID, IntPtr UserDataPtr){GCHandle gch = GCHandle.FromIntPtr(UserDataPtr);MilGraphicShow graphic = (MilGraphicShow)gch.Target;MIL.MdispGetHookInfo(EventID, MIL.M_MOUSE_POSITION_BUFFER_X, ref graphic.ptPixelBtnLUp.x);MIL.MdispGetHookInfo(EventID, MIL.M_MOUSE_POSITION_BUFFER_Y, ref graphic.ptPixelBtnLUp.y);if (graphic.draw != null)graphic.draw.BtnRUp(EventID);graphic.MouseRightKeyDown = false;return 0;}static MIL_INT ROIChangeEndHookFunc(MIL_INT HookType, MIL_ID MilEvent, IntPtr UserDataPtr){GCHandle gch = GCHandle.FromIntPtr(UserDataPtr);MilGraphicShow graphic = (MilGraphicShow)gch.Target;MIL_ID DisplayID = graphic.MilDisplay;graphic.ptRoiInImageStart.x = MIL.MdispInquire(DisplayID, MIL.M_ROI_BUFFER_OFFSET_X, MIL.M_NULL);graphic.ptRoiInImageStart.y = MIL.MdispInquire(DisplayID, MIL.M_ROI_BUFFER_OFFSET_Y, MIL.M_NULL);graphic.ptRoiInImageEnd.x = MIL.MdispInquire(DisplayID, MIL.M_ROI_BUFFER_SIZE_X, MIL.M_NULL) + graphic.ptRoiInImageStart.x;graphic.ptRoiInImageEnd.y = MIL.MdispInquire(DisplayID, MIL.M_ROI_BUFFER_SIZE_Y, MIL.M_NULL) + graphic.ptRoiInImageStart.y;if (graphic.draw != null){graphic.ptRoiInImageStart.CopyTo(ref graphic.draw.rect.ptTL);graphic.ptRoiInImageEnd.CopyTo(ref graphic.draw.rect.ptDR);}return 0;}static MIL_INT ROIChangeHookFunc(MIL_INT HookType, MIL_ID MilEvent, IntPtr UserDataPtr){GCHandle gch = GCHandle.FromIntPtr(UserDataPtr);MilGraphicShow graphic = (MilGraphicShow)gch.Target;MIL_ID DisplayID = graphic.MilDisplay;graphic.ptRoiInImageStart.x = MIL.MdispInquire(DisplayID, MIL.M_ROI_BUFFER_OFFSET_X, MIL.M_NULL);graphic.ptRoiInImageStart.y = MIL.MdispInquire(DisplayID, MIL.M_ROI_BUFFER_OFFSET_Y, MIL.M_NULL);graphic.ptRoiInImageEnd.x = MIL.MdispInquire(DisplayID, MIL.M_ROI_BUFFER_SIZE_X, MIL.M_NULL) + graphic.ptRoiInImageStart.x;graphic.ptRoiInImageEnd.y = MIL.MdispInquire(DisplayID, MIL.M_ROI_BUFFER_SIZE_Y, MIL.M_NULL) + graphic.ptRoiInImageStart.y;if (graphic.draw != null){graphic.ptRoiInImageStart.CopyTo(ref graphic.draw.rect.ptTL);graphic.ptRoiInImageEnd.CopyTo(ref graphic.draw.rect.ptDR);}return 0;}static MIL_INT GraHookFunc(MIL_INT HookType, MIL_ID EventId, IntPtr UserDataPtr){GCHandle gch = GCHandle.FromIntPtr(UserDataPtr);MilGraphicShow graphic = (MilGraphicShow)gch.Target;MIL_INT nLabel = 0;MIL_INT nType = 0;MIL_ID MilGraphList = graphic.MilGraphList;MIL.MgraInquireList(graphic.MilGraphList, MIL.M_LIST, MIL.M_DEFAULT, MIL.M_LAST_LABEL, ref nLabel);if (nLabel <= 0 || nLabel >= 100) return 0;MIL.MgraInquireList(MilGraphList, MIL.M_GRAPHIC_LABEL(nLabel), MIL.M_DEFAULT, MIL.M_GRAPHIC_TYPE, ref nType);if (graphic.draw != null)graphic.draw.CallBackiInquire(MilGraphList, nLabel);return 0;}public void DispZoom(double ZoomFactorToApplyX, double ZoomFactorToApplyY){MIL.MdispZoom(MilDisplay, ZoomFactorToApplyX, ZoomFactorToApplyY);}public void DispZoomOut(){if (MilDisplay != MIL.M_NULL){double ZoomX = 1, ZoomY = 1;MIL.MdispInquire(MilDisplay, MIL.M_ZOOM_FACTOR_X, ref ZoomX);MIL.MdispInquire(MilDisplay, MIL.M_ZOOM_FACTOR_Y, ref ZoomY);if ((ZoomX >= 0.125) && (ZoomY >= 0.125)){ZoomX /= 1.5;ZoomY /= 1.5;}DispZoom(ZoomX, ZoomY);}}public void DispZoomIn(){if (MilDisplay != MIL.M_NULL){double ZoomX = 1, ZoomY = 1;MIL.MdispInquire(MilDisplay, MIL.M_ZOOM_FACTOR_X, ref ZoomX);MIL.MdispInquire(MilDisplay, MIL.M_ZOOM_FACTOR_Y, ref ZoomY);if ((ZoomX <= 8) && (ZoomY <= 8)){ZoomX *= 1.5;ZoomY *= 1.5;}DispZoom(ZoomX, ZoomY);}}public void DispFit(){double dX = panel.Width * 1.0 / MIL.MbufInquire(MilImage, MIL.M_SIZE_X, MIL.M_NULL);double dY = panel.Height * 1.0 / MIL.MbufInquire(MilImage, MIL.M_SIZE_Y, MIL.M_NULL);double dF = dX < dY ? dX : dY;DispZoom(dF, dF);}public void DispMouseUse(bool bEnable){MIL.MdispControl(MilDisplay, MIL.M_MOUSE_USE, bEnable ? MIL.M_ENABLE : MIL.M_DISABLE);}}public class MilGraphicDraw : Math__{MilGraphicShow show = null;public DRAW_TYPE drawType = DRAW_TYPE.DRAW_NONE;int nCircleCenterSize = 5;int nPtIndex = -2;bool bOnDraw = false;bool bExitThr = false;public int nMaskHalfPenSize = 10;public int nMaskAlpha = 100;  // 混合浓度MIL_ID MilOverlay = 0;   // Mil的绘图图层MIL_ID MilImageMask = 0; // 实际绘制的图片(Mask)MIL_INT MilBackColor = 0;  // 背景色MIL_INT MilForeColor = 0;  // 前景色MIL_INT MilTransparentColor = 0;  // Mil计算出的透明颜色存放 IDMilPoint PtNow = new MilPoint();MilPoint PtNowLast = new MilPoint();MilPoint ptPixelBtnLDown = new MilPoint();MilPoint ptPixelBtnLUp = new MilPoint();MilPoint[] MilPts = new MilPoint[20];Stopwatch DrawInterval = Stopwatch.StartNew();public MilSegment segment = new MilSegment();public MilPoint[] polyLine = new MilPoint[10];public Rect rect = new Rect();public RectAngle rectAngle;public Arc arc = new Arc();public ArcRegion arcRegion = new ArcRegion();public Circle circle = new Circle();public CircleRegion circleRegion = new CircleRegion();public Arc ellipseArc = new Arc();public Circle ellipse = new Circle();public MilGraphicDraw(MilGraphicShow show_){show = show_;show.draw = this;InitMask();Thread thr = new Thread(thrDraw);thr.IsBackground = true;thr.Start();}public void MilFree(){show.draw = null;bExitThr = true;if (MilImageMask != 0)MIL.MbufFree(MilImageMask);}public void SetDrawType(DRAW_TYPE type){if (bOnDraw == false)drawType = type;}public void SetDrawColor(double MilColor){MIL.MgraColor(show.MilGraphContext, MilColor);}public void MouseMove(MIL_ID EventID){if (bOnDraw == false) return;MIL.MdispGetHookInfo(EventID, MIL.M_MOUSE_POSITION_BUFFER_X, ref PtNow.x);MIL.MdispGetHookInfo(EventID, MIL.M_MOUSE_POSITION_BUFFER_Y, ref PtNow.y);DrawMask(EventID);}public void BtnLDown(MIL_ID EventID){if (bOnDraw == false) return;MIL.MdispGetHookInfo(EventID, MIL.M_MOUSE_POSITION_BUFFER_X, ref ptPixelBtnLDown.x);MIL.MdispGetHookInfo(EventID, MIL.M_MOUSE_POSITION_BUFFER_Y, ref ptPixelBtnLDown.y);if (drawType == DRAW_TYPE.DRAW_RECT)nPtIndex = 0;DrawMask(EventID);}public void BtnLUp(MIL_ID EventID){if (bOnDraw == false) return;MIL.MdispGetHookInfo(EventID, MIL.M_MOUSE_POSITION_BUFFER_X, ref ptPixelBtnLUp.x);MIL.MdispGetHookInfo(EventID, MIL.M_MOUSE_POSITION_BUFFER_Y, ref ptPixelBtnLUp.y);if (nPtIndex >= 0 && nPtIndex <= 9 && GetPointToPointDist(ptPixelBtnLUp, MilPts[nPtIndex]) >= 5){ nPtIndex++; ptPixelBtnLUp.CopyTo(ref MilPts[nPtIndex]); }if (nPtIndex == -2)nPtIndex++;if (nPtIndex == -1 && ptPixelBtnLUp.x * ptPixelBtnLUp.y > 0){ ptPixelBtnLUp.CopyTo(ref MilPts[0]); nPtIndex++; }if (drawType == DRAW_TYPE.DRAW_RECT && nPtIndex < -10)nPtIndex = 1;}public void BtnRDown(MIL_ID EventID){if (bOnDraw == false) return;MIL.MdispGetHookInfo(EventID, MIL.M_MOUSE_POSITION_BUFFER_X, ref ptPixelBtnLDown.x);MIL.MdispGetHookInfo(EventID, MIL.M_MOUSE_POSITION_BUFFER_Y, ref ptPixelBtnLDown.y);DrawMask(EventID);}public void BtnRUp(MIL_ID EventID){if (bOnDraw == false) return;MIL.MdispGetHookInfo(EventID, MIL.M_MOUSE_POSITION_BUFFER_X, ref ptPixelBtnLUp.x);MIL.MdispGetHookInfo(EventID, MIL.M_MOUSE_POSITION_BUFFER_Y, ref ptPixelBtnLUp.y);}public void DrawStart(){if(drawType != DRAW_TYPE.DRAW_MASK)ClearGraphic();bOnDraw = true;nPtIndex = -2;}public void DrawEnd(){bOnDraw = false;MIL.MdispControl(show.MilDisplay, MIL.M_GRAPHIC_LIST_INTERACTIVE, MIL.M_DISABLE);MIL.MdispControl(show.MilDisplay, MIL.M_ROI_DEFINE, MIL.M_STOP);MIL.MdispControl(show.MilDisplay, MIL.M_ROI_SHOW, MIL.M_DISABLE);MIL.MdispControl(show.MilDisplay, MIL.M_ROI_RESET, MIL.M_DEFAULT);DrawOnEnd();}void thrDraw(){while (bExitThr == false){Thread.Sleep(10);if (bOnDraw == false) continue;if (DrawInterval.ElapsedMilliseconds <= 50) continue;if (nPtIndex < 0 || nPtIndex > 9) continue;if (GetPointToPointDist(PtNow, ptPixelBtnLUp) <= 1) continue;if (GetPointToPointDist(PtNow, PtNowLast) <= 1) continue;if (drawType == DRAW_TYPE.DRAW_NONE) continue;DrawInterval.Restart();PtNow.CopyTo(ref PtNowLast);MIL.MdispControl(show.MilDisplay, MIL.M_UPDATE, MIL.M_DISABLE);if (drawType == DRAW_TYPE.DRAW_ARC)DrawArc();if (drawType == DRAW_TYPE.DRAW_ARC_REGION)DrawArcRegion();if (drawType == DRAW_TYPE.DRAW_CIRCLE)DrawCircle();if (drawType == DRAW_TYPE.DRAW_CIRCLE_REGION)DrawCircleRegion();if (drawType == DRAW_TYPE.DRAW_RECT)DrawRect();if (drawType == DRAW_TYPE.DRAW_RECT_ANGLE)DrawRectAngle();if (drawType == DRAW_TYPE.DRAW_LINE)DrawLine();if (drawType == DRAW_TYPE.DRAW_POLYLINE)DrawPolyline();if (drawType == DRAW_TYPE.DRAW_POLYGON)DrawPolygon();if (drawType == DRAW_TYPE.DRAW_ELLIPSE)DrawEllipse();//if (drawType == DRAW_TYPE.DRAW_ELLIPSE_ARC)//    DrawEllipseArc();MIL.MdispControl(show.MilDisplay, MIL.M_UPDATE, MIL.M_ENABLE);}}void DrawArc(){if (nPtIndex == 0){ClearGraphic();bOnDraw = false;SetDrawColor(MIL.M_COLOR_GREEN);MIL.MdispControl(show.MilDisplay, MIL.M_GRAPHIC_LIST_INTERACTIVE, MIL.M_ENABLE);MIL.MgraInteractive(show.MilGraphContext, show.MilGraphList, MIL.M_GRAPHIC_TYPE_ARC, MIL.M_SQUARE_ASPECT_RATIO, MIL.M_ARC_THREE_POINTS);}}void DrawArcRegion(){ClearGraphic();if (nPtIndex == 0){SetDrawColor(MIL.M_COLOR_YELLOW);DrawLine(MilPts[0], PtNow);arcRegion.AngleS = 0;}if (nPtIndex == 1){MilPoint PtS = new MilPoint();MilPoint PtE = new MilPoint();MilPoint PtTmp = new MilPoint();MilLine line = new MilLine();GetLine(MilPts[0], MilPts[1], ref line);bool bStartPt = false;if (line.A != 0){double dX = (line.B * PtNow.y + line.C) / line.A * (-1);bStartPt = dX > PtNow.x;//true=上点是起点  false=下点是起点// 确定弧绘制起点和终点if (bStartPt == (MilPts[0].y > MilPts[1].y)){MilPts[1].CopyTo(ref PtS);MilPts[0].CopyTo(ref PtE);}else{MilPts[0].CopyTo(ref PtS);MilPts[1].CopyTo(ref PtE);}}else{MilPts[1].y += 0.1;return;}GetCircleCenter(MilPts[0], MilPts[1], PtNow, ref MilPts[4]);MilPts[4].CopyTo(ref PtTmp); PtTmp.x = 10000;// 计算角度arcRegion.AngleS = R2D(GetAngle(PtS, MilPts[4], PtTmp));arcRegion.AngleE = R2D(GetAngle(PtE, MilPts[4], PtTmp));if (PtS.y > MilPts[4].y) arcRegion.AngleS = 360 - arcRegion.AngleS;if (PtE.y > MilPts[4].y) arcRegion.AngleE = 360 - arcRegion.AngleE;double dR = GetPointToPointDist(MilPts[4], MilPts[0]);SetDrawColor(MIL.M_COLOR_YELLOW);DrawCircle(MilPts[4], nCircleCenterSize, nCircleCenterSize);DrawArc(MilPts[4], dR, dR, arcRegion.AngleS, arcRegion.AngleE);}if (nPtIndex == 2){MilPts[4].CopyTo(ref arcRegion.ptCenter);arcRegion.dR = GetPointToPointDist(arcRegion.ptCenter, MilPts[0]);double dDist_ = Math.Abs(GetPointToPointDist(arcRegion.ptCenter, PtNow) - arcRegion.dR);arcRegion.dRmin = arcRegion.dR - dDist_;arcRegion.dRmax = arcRegion.dR + dDist_;if (arcRegion.dRmin <= 0) arcRegion.dRmin = 1;SetDrawColor(MIL.M_COLOR_GREEN);DrawArc(arcRegion.ptCenter, arcRegion.dR, arcRegion.dR, arcRegion.AngleS, arcRegion.AngleE);DrawCircle(arcRegion.ptCenter, nCircleCenterSize, nCircleCenterSize);SetDrawColor(MIL.M_COLOR_YELLOW);DrawArc(arcRegion.ptCenter, arcRegion.dRmin, arcRegion.dRmin, arcRegion.AngleS, arcRegion.AngleE);DrawArc(arcRegion.ptCenter, arcRegion.dRmax, arcRegion.dRmax, arcRegion.AngleS, arcRegion.AngleE);MilPoint PtS = new MilPoint();MilPoint PtE = new MilPoint();LineCircleCrossPt(arcRegion.ptCenter, arcRegion.AngleS * (-1), arcRegion.dRmin, ref PtS);LineCircleCrossPt(arcRegion.ptCenter, arcRegion.AngleS * (-1), arcRegion.dRmax, ref PtE);DrawVector(PtS, PtE);LineCircleCrossPt(arcRegion.ptCenter, arcRegion.AngleE * (-1), arcRegion.dRmin, ref PtS);LineCircleCrossPt(arcRegion.ptCenter, arcRegion.AngleE * (-1), arcRegion.dRmax, ref PtE);DrawVector(PtS, PtE);}if (nPtIndex == 3){double dDist_ = Math.Abs(GetPointToPointDist(arcRegion.ptCenter, MilPts[3]) - arcRegion.dR);arcRegion.dRmin = arcRegion.dR - dDist_;arcRegion.dRmax = arcRegion.dR + dDist_;if (arcRegion.dRmin <= 0) arcRegion.dRmin = 1;SetDrawColor(MIL.M_COLOR_YELLOW);DrawArc(arcRegion.ptCenter, arcRegion.dR, arcRegion.dR, arcRegion.AngleS, arcRegion.AngleE);SetDrawColor(MIL.M_COLOR_GREEN);DrawCircle(arcRegion.ptCenter, nCircleCenterSize, nCircleCenterSize);DrawArc(arcRegion.ptCenter, arcRegion.dRmin, arcRegion.dRmin, arcRegion.AngleS, arcRegion.AngleE);DrawArc(arcRegion.ptCenter, arcRegion.dRmax, arcRegion.dRmax, arcRegion.AngleS, arcRegion.AngleE);MilPoint PtS = new MilPoint();MilPoint PtE = new MilPoint();LineCircleCrossPt(arcRegion.ptCenter, arcRegion.AngleS * (-1), arcRegion.dRmin, ref PtS);LineCircleCrossPt(arcRegion.ptCenter, arcRegion.AngleS * (-1), arcRegion.dRmax, ref PtE);DrawVector(PtS, PtE);LineCircleCrossPt(arcRegion.ptCenter, arcRegion.AngleE * (-1), arcRegion.dRmin, ref PtS);LineCircleCrossPt(arcRegion.ptCenter, arcRegion.AngleE * (-1), arcRegion.dRmax, ref PtE);DrawVector(PtS, PtE);nPtIndex = -2;}}void DrawCircle(){if (nPtIndex == 0){ClearGraphic();bOnDraw = false;SetDrawColor(MIL.M_COLOR_GREEN);MIL.MdispControl(show.MilDisplay, MIL.M_GRAPHIC_LIST_INTERACTIVE, MIL.M_ENABLE);// M_ROTATABLE MIL.MgraInteractive(show.MilGraphContext, show.MilGraphList, MIL.M_GRAPHIC_TYPE_ARC, MIL.M_SQUARE_ASPECT_RATIO, MIL.M_CIRCLE);}}void DrawCircleRegion(){ClearGraphic();if (nPtIndex == 0){SetDrawColor(MIL.M_COLOR_YELLOW);DrawLine(MilPts[0], PtNow);}if (nPtIndex == 1){GetCircleCenter(MilPts[0], MilPts[1], PtNow, ref MilPts[4]);double dR = GetPointToPointDist(MilPts[4], MilPts[0]);SetDrawColor(MIL.M_COLOR_YELLOW);DrawCircle(MilPts[4], 5, 5);DrawCircle(MilPts[4], dR, dR);}if (nPtIndex == 2){MilPts[4].CopyTo(ref circleRegion.ptCenter);circleRegion.dR = GetPointToPointDist(MilPts[4], MilPts[0]);double dDist_ = Math.Abs(GetPointToPointDist(MilPts[4], PtNow) - circleRegion.dR);circleRegion.dRmin = circleRegion.dR - dDist_;circleRegion.dRmax = circleRegion.dR + dDist_;if (circleRegion.dRmin <= 0) circleRegion.dRmin = 1;SetDrawColor(MIL.M_COLOR_GREEN);DrawCircle(MilPts[4], nCircleCenterSize, nCircleCenterSize);DrawCircle(MilPts[4], circleRegion.dR, circleRegion.dR);SetDrawColor(MIL.M_COLOR_YELLOW);DrawCircle(MilPts[4], circleRegion.dRmin, circleRegion.dRmin);DrawCircle(MilPts[4], circleRegion.dRmax, circleRegion.dRmax);MilPoint PtS = new MilPoint();MilPoint PtE = new MilPoint();LineCircleCrossPt(arcRegion.ptCenter, 0, arcRegion.dRmin, ref PtS);LineCircleCrossPt(arcRegion.ptCenter, 0, arcRegion.dRmax, ref PtE);DrawVector(PtS, PtE);}if (nPtIndex == 3){double dDist_ = Math.Abs(GetPointToPointDist(circleRegion.ptCenter, MilPts[3]) - circleRegion.dR);circleRegion.dRmin = circleRegion.dR - dDist_;circleRegion.dRmax = circleRegion.dR + dDist_;if (circleRegion.dRmin <= 0) circleRegion.dRmin = 1;SetDrawColor(MIL.M_COLOR_YELLOW);DrawCircle(circleRegion.ptCenter, circleRegion.dR, circleRegion.dR);SetDrawColor(MIL.M_COLOR_GREEN);DrawCircle(circleRegion.ptCenter, nCircleCenterSize, nCircleCenterSize);DrawCircle(circleRegion.ptCenter, circleRegion.dRmin, circleRegion.dRmin);DrawCircle(circleRegion.ptCenter, circleRegion.dRmax, circleRegion.dRmax);MilPoint PtS = new MilPoint();MilPoint PtE = new MilPoint();LineCircleCrossPt(arcRegion.ptCenter, 0, arcRegion.dRmin, ref PtS);LineCircleCrossPt(arcRegion.ptCenter, 0, arcRegion.dRmax, ref PtE);DrawVector(PtS, PtE);nPtIndex = -2;}}void DrawEllipse(){if (nPtIndex == 0){ClearGraphic();bOnDraw = false;SetDrawColor(MIL.M_COLOR_GREEN);MIL.MdispControl(show.MilDisplay, MIL.M_GRAPHIC_LIST_INTERACTIVE, MIL.M_ENABLE);// M_ROTATABLE MIL.MgraInteractive(show.MilGraphContext, show.MilGraphList, MIL.M_GRAPHIC_TYPE_ARC, MIL.M_DEFAULT, MIL.M_AXIS_ALIGNED_ELLIPSE);}}void DrawEllipseArc(){if (nPtIndex == 0){ClearGraphic();bOnDraw = false;SetDrawColor(MIL.M_COLOR_GREEN);MIL.MdispControl(show.MilDisplay, MIL.M_GRAPHIC_LIST_INTERACTIVE, MIL.M_ENABLE);MIL.MgraInteractive(show.MilGraphContext, show.MilGraphList, MIL.M_GRAPHIC_TYPE_ARC, MIL.M_DEFAULT, MIL.M_ARC_THREE_POINTS);}}void DrawRect(){if (nPtIndex == 0){MIL.MdispControl(show.MilDisplay, MIL.M_ROI_DEFINE, MIL.M_START);MIL.MdispControl(show.MilDisplay, MIL.M_ROI_SHOW, MIL.M_ENABLE);nPtIndex = -20;}if (nPtIndex == 1){bOnDraw = false;}}void DrawRectAngle(){if (nPtIndex == 0){ClearGraphic();bOnDraw = false;SetDrawColor(MIL.M_COLOR_GREEN);MIL.MdispControl(show.MilDisplay, MIL.M_GRAPHIC_LIST_INTERACTIVE, MIL.M_ENABLE);// M_ROTATABLE  M_AXIS_ALIGNED_RECT MIL.MgraInteractive(show.MilGraphContext, show.MilGraphList, MIL.M_GRAPHIC_TYPE_RECT, MIL.M_DEFAULT, MIL.M_AXIS_ALIGNED_RECT);}}void DrawLine(){if (nPtIndex == 0){ClearGraphic();bOnDraw = false;SetDrawColor(MIL.M_COLOR_GREEN);MIL.MdispControl(show.MilDisplay, MIL.M_GRAPHIC_LIST_INTERACTIVE, MIL.M_ENABLE);MIL.MgraInteractive(show.MilGraphContext, show.MilGraphList, MIL.M_GRAPHIC_TYPE_LINE, MIL.M_DEFAULT, MIL.M_DEFAULT);}}void DrawPolyline(){if (nPtIndex == 0){ClearGraphic();bOnDraw = false;SetDrawColor(MIL.M_COLOR_GREEN);MIL.MdispControl(show.MilDisplay, MIL.M_GRAPHIC_LIST_INTERACTIVE, MIL.M_ENABLE);MIL.MgraInteractive(show.MilGraphContext, show.MilGraphList, MIL.M_GRAPHIC_TYPE_POLYLINE, MIL.M_DEFAULT, MIL.M_DEFAULT);}}void DrawPolygon(){if (nPtIndex == 0){ClearGraphic();bOnDraw = false;SetDrawColor(MIL.M_COLOR_GREEN);MIL.MdispControl(show.MilDisplay, MIL.M_GRAPHIC_LIST_INTERACTIVE, MIL.M_ENABLE);MIL.MgraInteractive(show.MilGraphContext, show.MilGraphList, MIL.M_GRAPHIC_TYPE_POLYGON, MIL.M_DEFAULT, MIL.M_DEFAULT);}}void DrawOnEnd(){if (drawType == DRAW_TYPE.DRAW_NONE)return;if (drawType == DRAW_TYPE.DRAW_ARC_REGION)return;if (drawType == DRAW_TYPE.DRAW_CIRCLE_REGION)return;if (drawType == DRAW_TYPE.DRAW_MASK)return;ClearGraphic();if (drawType == DRAW_TYPE.DRAW_ARC)DrawArc(arc);if (drawType == DRAW_TYPE.DRAW_CIRCLE)DrawCircle(circle);if (drawType == DRAW_TYPE.DRAW_RECT)DrawRect(rect);if (drawType == DRAW_TYPE.DRAW_RECT_ANGLE)DrawRect(rectAngle);if (drawType == DRAW_TYPE.DRAW_LINE)DrawLine(MilPts[0], MilPts[1]);if (drawType == DRAW_TYPE.DRAW_POLYLINE)DrawPolyline(polyLine);if (drawType == DRAW_TYPE.DRAW_POLYGON)DrawPolygon(polyLine);if (drawType == DRAW_TYPE.DRAW_ELLIPSE)DrawCircle(ellipse);//if (drawType == DRAW_TYPE.DRAW_ELLIPSE_ARC)//    DrawArc(ellipseArc);}public void CallBackiInquire(MIL_ID MilGraphList, MIL_INT nLabel){//if (bOnDraw == false) return;if (drawType == DRAW_TYPE.DRAW_ARC)CallBackiInquireArc(MilGraphList, nLabel, ref arc);//if (drawType == DRAW_TYPE.DRAW_ELLIPSE_ARC)//    CallBackiInquireArc(MilGraphList, nLabel, ref ellipseArc);if (drawType == DRAW_TYPE.DRAW_CIRCLE)CallBackiInquireCircle(MilGraphList, nLabel, ref circle);if (drawType == DRAW_TYPE.DRAW_ELLIPSE)CallBackiInquireCircle(MilGraphList, nLabel, ref ellipse);if (drawType == DRAW_TYPE.DRAW_RECT_ANGLE)CallBackiInquireRectAngle(MilGraphList, nLabel, ref rectAngle);if (drawType == DRAW_TYPE.DRAW_LINE|| drawType == DRAW_TYPE.DRAW_POLYLINE|| drawType == DRAW_TYPE.DRAW_POLYGON)CallBackiInquireMultiPts(MilGraphList, nLabel);}void CallBackiInquireArc(MIL_ID MilGraphList, MIL_INT nLabel, ref Arc arc){MIL.MgraInquireList(MilGraphList, MIL.M_GRAPHIC_LABEL(nLabel), MIL.M_DEFAULT, MIL.M_ANGLE_START, ref arc.AngleS);MIL.MgraInquireList(MilGraphList, MIL.M_GRAPHIC_LABEL(nLabel), MIL.M_DEFAULT, MIL.M_ANGLE_END, ref arc.AngleE);MIL.MgraInquireList(MilGraphList, MIL.M_GRAPHIC_LABEL(nLabel), MIL.M_DEFAULT, MIL.M_CENTER_X, ref arc.ptCenter.x);MIL.MgraInquireList(MilGraphList, MIL.M_GRAPHIC_LABEL(nLabel), MIL.M_DEFAULT, MIL.M_CENTER_Y, ref arc.ptCenter.y);MIL.MgraInquireList(MilGraphList, MIL.M_GRAPHIC_LABEL(nLabel), MIL.M_DEFAULT, MIL.M_RADIUS_X, ref arc.dRx);MIL.MgraInquireList(MilGraphList, MIL.M_GRAPHIC_LABEL(nLabel), MIL.M_DEFAULT, MIL.M_RADIUS_Y, ref arc.dRy);}void CallBackiInquireCircle(MIL_ID MilGraphList, MIL_INT nLabel, ref Circle circle){MIL.MgraInquireList(MilGraphList, MIL.M_GRAPHIC_LABEL(nLabel), MIL.M_DEFAULT, MIL.M_CENTER_X, ref circle.ptCenter.x);MIL.MgraInquireList(MilGraphList, MIL.M_GRAPHIC_LABEL(nLabel), MIL.M_DEFAULT, MIL.M_CENTER_Y, ref circle.ptCenter.y);MIL.MgraInquireList(MilGraphList, MIL.M_GRAPHIC_LABEL(nLabel), MIL.M_DEFAULT, MIL.M_RADIUS_X, ref circle.dRx);MIL.MgraInquireList(MilGraphList, MIL.M_GRAPHIC_LABEL(nLabel), MIL.M_DEFAULT, MIL.M_RADIUS_Y, ref circle.dRy);MIL.MgraInquireList(MilGraphList, MIL.M_GRAPHIC_LABEL(nLabel), MIL.M_DEFAULT, MIL.M_ANGLE, ref circle.Angle);}void CallBackiInquireRectAngle(MIL_ID MilGraphList, MIL_INT nLabel, ref RectAngle rectAngle){MIL.MgraInquireList(MilGraphList, MIL.M_GRAPHIC_LABEL(nLabel), MIL.M_DEFAULT, MIL.M_ANGLE, ref rectAngle.Angle);MIL.MgraInquireList(MilGraphList, MIL.M_GRAPHIC_LABEL(nLabel), MIL.M_DEFAULT, MIL.M_POSITION_X, ref rectAngle.ptCenter.x);MIL.MgraInquireList(MilGraphList, MIL.M_GRAPHIC_LABEL(nLabel), MIL.M_DEFAULT, MIL.M_POSITION_Y, ref rectAngle.ptCenter.y);MIL.MgraInquireList(MilGraphList, MIL.M_GRAPHIC_LABEL(nLabel), MIL.M_DEFAULT, MIL.M_RECTANGLE_WIDTH, ref rectAngle.Width);MIL.MgraInquireList(MilGraphList, MIL.M_GRAPHIC_LABEL(nLabel), MIL.M_DEFAULT, MIL.M_RECTANGLE_HEIGHT, ref rectAngle.Height);}void CallBackiInquireMultiPts(MIL_ID MilGraphList, MIL_INT nLabel){MIL_INT MilNum = 0;MIL.MgraInquireList(MilGraphList, MIL.M_GRAPHIC_LABEL(nLabel), MIL.M_DEFAULT, MIL.M_NUMBER_OF_SUB_ELEMENTS + MIL.M_TYPE_MIL_INT, ref MilNum);polyLine = new MilPoint[(int)MilNum];for (int i = 0; i < MilNum; i++){MIL.MgraInquireList(MilGraphList, MIL.M_GRAPHIC_LABEL(nLabel), i, MIL.M_POSITION_X, ref polyLine[i].x);MIL.MgraInquireList(MilGraphList, MIL.M_GRAPHIC_LABEL(nLabel), i, MIL.M_POSITION_Y, ref polyLine[i].y);}}public void DrawLine(MilPoint PtS, MilPoint PtE){MIL.MgraLine(show.MilGraphContext, show.MilGraphList, PtS.x, PtS.y, PtE.x, PtE.y);}public void DrawVector(MilPoint PtS, MilPoint PtE){double[] dSptX = new double[1] { PtS.x };double[] dSptY = new double[1] { PtS.y };double[] dEptX = new double[1] { PtE.x - PtS.x };double[] dEptY = new double[1] { PtE.y - PtS.y };MIL.MgraVectors(show.MilGraphContext, show.MilGraphList, 1, dSptX, dSptY, dEptX, dEptY, MIL.M_ABSOLUTE, MIL.M_DEFAULT, MIL.M_DEFAULT);}public void DrawArc(Arc arc){DrawArc(arc.ptCenter, arc.dRx, arc.dRy, arc.AngleS, arc.AngleE);}public void DrawArc(MilPoint PtCenter, double dRx, double dRy, double dAngleS, double dAngleE){MIL.MgraArc(show.MilGraphContext, show.MilGraphList, PtCenter.x, PtCenter.y, dRx, dRy, dAngleS, dAngleE);}public void DrawCircle(Circle circle){DrawCircle(circle.ptCenter, circle.dRx, circle.dRy, circle.Angle);}public void DrawCircle(MilPoint PtCenter, double dRx, double dRy, double dAngle = 0){MIL.MgraArcAngle(show.MilGraphContext, show.MilGraphList, PtCenter.x, PtCenter.y, dRx, dRy, 0, 360, dAngle, MIL.M_CONTOUR);}public void DrawRect(Rect rect){DrawRect(rect.ptTL, rect.ptDR);}public void DrawRect(RectAngle rectAngle){DrawRect(rectAngle.ptCenter, rectAngle.Width, rectAngle.Height, rectAngle.Angle);}public void DrawRect(MilPoint ptTL, MilPoint ptDR, double dAngle = 0){MIL.MgraRectAngle(show.MilGraphContext, show.MilGraphList,(ptDR.x + ptTL.x) / 2,(ptDR.y + ptTL.y) / 2,Math.Abs(ptDR.x - ptTL.x),Math.Abs(ptDR.y - ptTL.y),dAngle, MIL.M_CENTER_AND_DIMENSION);}public void DrawRect(MilPoint ptCL, double dW, double dH, double dAngle = 0){MIL.MgraRectAngle(show.MilGraphContext, show.MilGraphList, ptCL.x, ptCL.y, dW, dH, dAngle, MIL.M_CENTER_AND_DIMENSION);}public void DrawPolyline(MilPoint[] pts){int nLen = pts.Length;double[] dx = new double[nLen];double[] dy = new double[nLen];for (int i = 0; i < nLen; i++){dx[i] = pts[i].x;dy[i] = pts[i].y;}MIL.MgraLines(show.MilGraphContext, show.MilGraphList, nLen, dx, dy, MIL.M_NULL, MIL.M_NULL, MIL.M_POLYLINE);}public void DrawPolygon(MilPoint[] pts){int nLen = pts.Length;double[] dx = new double[nLen];double[] dy = new double[nLen];for (int i = 0; i < nLen; i++){dx[i] = pts[i].x;dy[i] = pts[i].y;}MIL.MgraLines(show.MilGraphContext, show.MilGraphList, nLen, dx, dy, MIL.M_NULL, MIL.M_NULL, MIL.M_POLYGON);}public void ClearGraphic(){MIL.MbufClear(MilImageMask, MilBackColor);AlphaBlend(show.MilImage, MilOverlay, MilImageMask, MilBackColor, (int)MilTransparentColor, nMaskAlpha);if (show.MilGraphList != MIL.M_NULL){MIL.MgraClear(show.MilGraphContext, show.MilGraphList);}}public void SetMaskBackColor(MIL_INT color){MilBackColor = color;MIL.MbufClear(MilImageMask, MilBackColor);}public void SetMaskForeColor(MIL_INT color){MilForeColor = color;}public void SetPenSize(int nSize){nMaskHalfPenSize = nSize;}public void SetAlpha(int nalpha){if (0 < nalpha && nalpha < 256)nMaskAlpha = nalpha;if (bOnDraw)AlphaBlend(show.MilImage, MilOverlay, MilImageMask, MilBackColor, (int)MilTransparentColor, nMaskAlpha);}void AlphaBlend(MIL_ID MilDisplayedImage, MIL_ID MilOverlay, MIL_ID MilUserOverlay, MIL_INT UserTransparentColor, int OverlayTransparentColor, MIL_INT Alpha){if (Alpha > 0){MIL.MimArithMultiple(MilDisplayedImage, 256 - Alpha, MilUserOverlay, Alpha, 256,MilOverlay, MIL.M_MULTIPLY_ACCUMULATE_2, MIL.M_DEFAULT);MIL.MbufClearCond(MilOverlay,MIL.M_RGB888_R(OverlayTransparentColor),MIL.M_RGB888_G(OverlayTransparentColor),MIL.M_RGB888_B(OverlayTransparentColor),MilUserOverlay, MIL.M_EQUAL, UserTransparentColor);}elseMIL.MbufClear(MilOverlay, OverlayTransparentColor);}void InitMask(){MilOverlay = (MIL_ID)MIL.MdispInquire(show.MilDisplay, MIL.M_OVERLAY_ID, MIL.M_NULL);MilImageMask = MIL.MbufAllocColor(show.MilSystem, 3,show.MilImageSizeX,show.MilImageSizeY,8 + MIL.M_UNSIGNED,MIL.M_IMAGE + MIL.M_PROC + MIL.M_BGR32 + MIL.M_PACKED,MIL.M_NULL);MilTransparentColor = MIL.MdispInquire(show.MilDisplay, MIL.M_TRANSPARENT_COLOR, MIL.M_NULL);MIL.MbufClear(MilImageMask, MilBackColor);AlphaBlend(show.MilImage, MilOverlay, MilImageMask, MilBackColor, (int)MilTransparentColor, nMaskAlpha);}public MIL_ID GetMask(String sFullPath = ""){if (sFullPath.ToLower() == "auto"){MIL.MappControl(MIL.M_DEFAULT, MIL.M_ERROR, MIL.M_PRINT_DISABLE);MIL.MbufSave(MIL.M_INTERACTIVE, MilImageMask);MIL.MappControl(MIL.M_DEFAULT, MIL.M_ERROR, MIL.M_PRINT_ENABLE);}else if (sFullPath != "")MIL.MbufSave(sFullPath, MilImageMask);return MilImageMask;}void DrawMask(MIL_ID EventID){if (drawType == DRAW_TYPE.DRAW_MASK){MIL_INT CombinationKeys = 0;MIL.MdispGetHookInfo(EventID, MIL.M_COMBINATION_KEYS, ref CombinationKeys);if (CombinationKeys == MIL.M_MOUSE_LEFT_BUTTON)DrawMask(show.MilImage, MilOverlay, MilImageMask, (int)PtNow.x, (int)PtNow.y, nMaskHalfPenSize, MilBackColor, (int)MilForeColor, nMaskAlpha);else if (CombinationKeys == MIL.M_MOUSE_RIGHT_BUTTON)DrawMask(show.MilImage, MilOverlay, MilImageMask, (int)PtNow.x, (int)PtNow.y, nMaskHalfPenSize, MilBackColor, (int)MilBackColor, nMaskAlpha);}}void DrawMask(MIL_ID MilDisplayedImage, MIL_ID MilOverlay, MIL_ID MilUserOverlay, int mPosX, int nPosY, int nHalfSize, MIL_INT nBackColor, int nForeColor, int nAlpha){MIL.MgraColor(show.MilGraphContext, nForeColor);MIL.MgraArcFill(show.MilGraphContext, MilUserOverlay, mPosX, nPosY, nHalfSize, nHalfSize, 0, 360);MIL.MdispControl(show.MilDisplay, MIL.M_UPDATE, MIL.M_DISABLE);int nOffX = mPosX - nHalfSize; if (nOffX < 0) nOffX = 0;int nOffY = nPosY - nHalfSize; if (nPosY < 0) nPosY = 0;int nSize = nHalfSize * 2;if (nOffX + nSize > show.MilImageSizeX)nSize = show.MilImageSizeX - nOffX - 1;if (nOffY + nSize > show.MilImageSizeY)nSize = show.MilImageSizeY - nOffY - 1;if (nSize <= 0) return;MIL_ID MilDisplayedImageChild = MIL.MbufChild2d(MilDisplayedImage, nOffX, nOffY, nSize, nSize, MIL.M_NULL);MIL_ID MilOverlayChild = MIL.MbufChild2d(MilOverlay, nOffX, nOffY, nSize, nSize, MIL.M_NULL);MIL_ID MilUserOverlayChild = MIL.MbufChild2d(MilUserOverlay, nOffX, nOffY, nSize, nSize, MIL.M_NULL);AlphaBlend(MilDisplayedImageChild, MilOverlayChild,MilUserOverlayChild, nBackColor,(int)MilTransparentColor, nAlpha);MIL.MbufFree(MilDisplayedImageChild);MIL.MbufFree(MilOverlayChild);MIL.MbufFree(MilUserOverlayChild);MIL.MdispControl(show.MilDisplay, MIL.M_UPDATE, MIL.M_ENABLE);}}public class Math__{public void LineCircleCrossPt(MilPoint PtCircleCenter, double dAngle, double dR, ref MilPoint PtCross){double dAngle_ = D2R(dAngle);PtCross.x = PtCircleCenter.x + dR * Math.Cos(dAngle_);PtCross.y = PtCircleCenter.y + dR * Math.Sin(dAngle_);}public void GetLine(MilPoint Pt1, MilPoint Pt2, ref MilLine line){if (Pt1.x == Pt2.x){line.A = 1;line.B = 0;line.C = Pt1.x * (-1);return;}if (Pt1.y == Pt2.y){line.A = 0;line.B = 1;line.C = Pt1.y * (-1);return;}double dK = (Pt2.y - Pt1.y) / (Pt2.x - Pt1.x);double dB = Pt1.y - dK * Pt1.x;line.A = dK;line.B = -1;line.C = dB;}public void GetVLine(MilPoint Pt1, MilPoint Pt2, ref MilLine line){MilPoint Pt = new MilPoint();Pt.x = (Pt1.x + Pt2.x) / 2;Pt.y = (Pt1.y + Pt2.y) / 2;if (Pt1.x == Pt2.x){line.A = 0;line.B = 1;line.C = Pt.y * (-1);return;}if (Pt1.y == Pt2.y){line.A = 1;line.B = 0;line.C = Pt.x * (-1);return;}double dK = (Pt2.x - Pt1.x) / (Pt1.y - Pt2.y);double dB = Pt.y - dK * Pt.x;line.A = dK;line.B = -1;line.C = dB;}public void GetLineLineCrossPt(MilLine line1, MilLine line2, ref MilPoint PtCross){if (line1.A == line2.A && line1.B == line2.B) return;if (line1.A == 0 && line2.A == 0) return;if (line1.B == 0 && line2.B == 0) return;if (line1.B == 0){PtCross.x = line1.C / line1.A * (-1);PtCross.y = (line2.A * PtCross.x + line2.C) / line2.B * (-1);return;}if (line2.B == 0){PtCross.x = line2.C / line2.A * (-1);PtCross.y = (line1.A * PtCross.x + line1.C) / line1.B * (-1);return;}double dK1 = line1.Get_k();double dK2 = line2.Get_k();double dB1 = line1.Get_b();double dB2 = line2.Get_b();PtCross.x = (dB2 - dB1) / (dK1 - dK2);PtCross.y = dK1 * PtCross.x + dB1;}public void GetCircleCenter(MilPoint Pt1, MilPoint Pt2, MilPoint Pt3, ref MilPoint PtCenter){MilLine line1 = new MilLine();MilLine line2 = new MilLine();GetVLine(Pt1, Pt2, ref  line1);GetVLine(Pt1, Pt3, ref  line2);GetLineLineCrossPt(line1, line2, ref PtCenter);}public double GetPointToPointDist(MilPoint Pt1, MilPoint Pt2){return Math.Sqrt(Math.Pow(Pt2.x - Pt1.x, 2) + Math.Pow(Pt2.y - Pt1.y, 2));}public double GetAngle(MilPoint PtL, MilPoint PtC, MilPoint PtR){MilPoint PtLN = new MilPoint();MilPoint PtRN = new MilPoint();PtLN.x = PtL.x - PtC.x;PtLN.y = PtL.y - PtC.y;PtRN.x = PtR.x - PtC.x;PtRN.y = PtR.y - PtC.y;double fA = PtLN.x * PtRN.x + PtLN.y * PtRN.y;double fB = Math.Sqrt(PtLN.x * PtLN.x + PtLN.y * PtLN.y);double fC = Math.Sqrt(PtRN.x * PtRN.x + PtRN.y * PtRN.y);double fRtn = fA / (fB * fC);return Math.Acos(fRtn);}public double R2D(double dR){return dR / 3.1415926 * 180;}public double D2R(double dR){return dR / 180 * 3.1415926;}}
}

 附代码 （Mil 10 2654）  - 绘制部分

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using Matrox.MatroxImagingLibrary;
using System.Runtime.InteropServices;
using System.Windows.Forms;
using System.Diagnostics;
using System.Threading;namespace MilDraw
{public struct MilPoint{public double x;public double y;public void CopyTo(ref MilPoint Pt){Pt.x = x; Pt.y = y;}public MilPoint(double x, double y){this.x = x;this.y = y;}}public struct MilSegment{public MilPoint ptS;public MilPoint ptE;}public struct MilLine{public double A;public double B;public double C;public double Get_k(){double dk = 0;if (B != 0)dk = (-1) * A / B;elsedk = (-1) * A > 0 ? 0 / .0 : 0 / .0;return dk;}public double Get_b(){double db = 0;if (B != 0)db = (-1) * C / B;elsedb = (-1) * C > 0 ? 0 / .0 : 0 / .0;return db;}}public struct Rect{public MilPoint ptTL;public MilPoint ptDR;}public struct RectAngle{public MilPoint ptCenter;public double Width;public double Height;public double Angle;}public struct Arc{public MilPoint ptCenter;public double AngleS;public double AngleE;public double dRx;public double dRy;}public struct ArcRegion{public MilPoint ptCenter;public double AngleS;public double AngleE;public double dR;public double dRmin;public double dRmax;}public struct Circle{public MilPoint ptCenter;public double dRx;public double dRy;public double Angle;}public struct CircleRegion{public MilPoint ptCenter;public double dR;public double dRmin;public double dRmax;}public enum DRAW_TYPE{DRAW_NONE,DRAW_LINE,DRAW_RECT,DRAW_RECT_ANGLE,DRAW_CIRCLE,DRAW_CIRCLE_REGION,DRAW_ARC,DRAW_ARC_REGION,DRAW_ELLIPSE,//DRAW_ELLIPSE_ARC,// Mil这个绘图有Bug，会晃动DRAW_POLYLINE,DRAW_POLYGON,DRAW_MASK}public class MilGraphicShow{public MIL_ID MilSystem;public MIL_ID MilDisplay;public MIL_ID MilGraphList;public MIL_ID MilGraphContext;public MIL_ID MilImage;public int MilImageSizeX;public int MilImageSizeY;public bool MouseLeftKeyDown;public bool MouseRightKeyDown;public GCHandle thisPtr;public Panel panel = null;public MilGraphicDraw draw = null;public MilPoint ptRoiInImageStart;   // ROI移动时调用，起点public MilPoint ptRoiInImageEnd;     // ROI移动时调用，终点public MilPoint ptCurMousePos;       // 当前鼠标在Panel控件的像素坐标public MilPoint ptCurPixelPos;       // 当前鼠标缩放到原图中的实时像素坐标public MilPoint ptPixelBtnLDown;     // 当前鼠标左键点下放到原图像素坐标public MilPoint ptPixelBtnLUp;       // 当前鼠标左键抬起放到原图像素坐标// 托管函数句柄public static MIL_DISP_HOOK_FUNCTION_PTR MouseMoveHookFuncPtr = new MIL_DISP_HOOK_FUNCTION_PTR(MouseMoveHookFunc);public static MIL_DISP_HOOK_FUNCTION_PTR MouseLeftKeyDownHookFuncPtr = new MIL_DISP_HOOK_FUNCTION_PTR(MouseLeftKeyDownHookFunc);public static MIL_DISP_HOOK_FUNCTION_PTR MouseLeftKeyUpHookFuncPtr = new MIL_DISP_HOOK_FUNCTION_PTR(MouseLeftKeyUpHookFunc);public static MIL_DISP_HOOK_FUNCTION_PTR MouseRightKeyDownHookFuncPtr = new MIL_DISP_HOOK_FUNCTION_PTR(MouseRightKeyDownHookFunc);public static MIL_DISP_HOOK_FUNCTION_PTR MouseRightKeyUpHookFuncPtr = new MIL_DISP_HOOK_FUNCTION_PTR(MouseRightKeyUpHookFunc);public static MIL_DISP_HOOK_FUNCTION_PTR ROIChangeEndHookFuncPtr = new MIL_DISP_HOOK_FUNCTION_PTR(ROIChangeEndHookFunc);public static MIL_DISP_HOOK_FUNCTION_PTR ROIChangeHookFuncPtr = new MIL_DISP_HOOK_FUNCTION_PTR(ROIChangeHookFunc);public static MIL_GRA_HOOK_FUNCTION_PTR GraHookFuncPtr = new MIL_GRA_HOOK_FUNCTION_PTR(GraHookFunc);public MilGraphicShow(MIL_ID MilSystem, MIL_ID MilDisplay, MIL_ID MilDispImage, Panel panel_){MilGraphList = MIL.M_NULL;MilGraphContext = MIL.M_NULL;MilImage = MIL.M_NULL;thisPtr = GCHandle.Alloc(this);if (MilDisplay != MIL.M_NULL && MilSystem != MIL.M_NULL){this.MilSystem = MilSystem;this.MilDisplay = MilDisplay;this.MilImage = MilDispImage;this.panel = panel_;MilImageSizeX = (int)MIL.MbufInquire(MilImage, MIL.M_SIZE_X, MIL.M_NULL);MilImageSizeY = (int)MIL.MbufInquire(MilImage, MIL.M_SIZE_Y, MIL.M_NULL);if (panel_.Handle != IntPtr.Zero && MilDispImage != MIL.M_NULL){MIL.MgraAlloc(MilSystem, ref MilGraphContext);MIL.MdispSelectWindow(MilDisplay, MilDispImage, panel_.Handle);MIL.MgraAllocList(MilSystem, MIL.M_DEFAULT, ref MilGraphList);MIL.MdispControl(MilDisplay, MIL.M_ASSOCIATED_GRAPHIC_LIST_ID, MilGraphList);}MIL.MdispControl(MilDisplay, MIL.M_CENTER_DISPLAY, MIL.M_ENABLE);MIL.MdispControl(MilDisplay, MIL.M_SCALE_DISPLAY, MIL.M_ENABLE);MIL.MdispControl(MilDisplay, MIL.M_MOUSE_USE, MIL.M_ENABLE);MIL.MdispControl(MilDisplay, MIL.M_MOUSE_CURSOR_CHANGE, MIL.M_ENABLE);MIL.MdispHookFunction(MilDisplay, MIL.M_MOUSE_MOVE, MouseMoveHookFuncPtr, GCHandle.ToIntPtr(thisPtr));MIL.MdispHookFunction(MilDisplay, MIL.M_MOUSE_LEFT_BUTTON_DOWN, MouseLeftKeyDownHookFuncPtr, GCHandle.ToIntPtr(thisPtr));MIL.MdispHookFunction(MilDisplay, MIL.M_MOUSE_LEFT_BUTTON_UP, MouseLeftKeyUpHookFuncPtr, GCHandle.ToIntPtr(thisPtr));MIL.MdispHookFunction(MilDisplay, MIL.M_MOUSE_RIGHT_BUTTON_DOWN, MouseRightKeyDownHookFuncPtr, GCHandle.ToIntPtr(thisPtr));MIL.MdispHookFunction(MilDisplay, MIL.M_MOUSE_RIGHT_BUTTON_UP, MouseRightKeyUpHookFuncPtr, GCHandle.ToIntPtr(thisPtr));MIL.MdispHookFunction(MilDisplay, MIL.M_ROI_CHANGE_END, ROIChangeEndHookFuncPtr, GCHandle.ToIntPtr(thisPtr));MIL.MdispHookFunction(MilDisplay, MIL.M_ROI_CHANGE, ROIChangeHookFuncPtr, GCHandle.ToIntPtr(thisPtr));MIL.MgraHookFunction(MilGraphList, MIL.M_GRAPHIC_MODIFIED, GraHookFuncPtr, GCHandle.ToIntPtr(thisPtr));}}public void MilFree(){if (MilDisplay != MIL.M_NULL){MIL.MdispHookFunction(MilDisplay, MIL.M_MOUSE_MOVE + MIL.M_UNHOOK, MouseMoveHookFuncPtr, GCHandle.ToIntPtr(thisPtr));MIL.MdispHookFunction(MilDisplay, MIL.M_MOUSE_LEFT_BUTTON_DOWN + MIL.M_UNHOOK, MouseLeftKeyDownHookFuncPtr, GCHandle.ToIntPtr(thisPtr));MIL.MdispHookFunction(MilDisplay, MIL.M_MOUSE_LEFT_BUTTON_UP + MIL.M_UNHOOK, MouseLeftKeyUpHookFuncPtr, GCHandle.ToIntPtr(thisPtr));MIL.MdispHookFunction(MilDisplay, MIL.M_ROI_CHANGE_END + MIL.M_UNHOOK, ROIChangeEndHookFuncPtr, GCHandle.ToIntPtr(thisPtr));MIL.MdispHookFunction(MilDisplay, MIL.M_ROI_CHANGE + MIL.M_UNHOOK, ROIChangeHookFuncPtr, GCHandle.ToIntPtr(thisPtr));MIL.MgraHookFunction(MilGraphList, MIL.M_GRAPHIC_MODIFIED + MIL.M_UNHOOK, GraHookFuncPtr, GCHandle.ToIntPtr(thisPtr));MIL.MdispControl(MilDisplay, MIL.M_CENTER_DISPLAY, MIL.M_DISABLE);MIL.MdispControl(MilDisplay, MIL.M_SCALE_DISPLAY, MIL.M_DISABLE);MIL.MdispControl(MilDisplay, MIL.M_MOUSE_USE, MIL.M_DISABLE);MIL.MdispControl(MilDisplay, MIL.M_MOUSE_CURSOR_CHANGE, MIL.M_DISABLE);}if (MilGraphList != MIL.M_NULL){MIL.MgraFree(MilGraphList);MilGraphList = MIL.M_NULL;}if (MilGraphContext != MIL.M_NULL){MIL.MgraFree(MilGraphContext);MilGraphContext = MIL.M_NULL;}}static MIL_INT MouseMoveHookFunc(MIL_INT HookType, MIL_ID EventID, IntPtr UserDataPtr){GCHandle gch = GCHandle.FromIntPtr(UserDataPtr);MilGraphicShow graphic = (MilGraphicShow)gch.Target;MIL_INT px = 0;MIL_INT py = 0;MIL.MdispGetHookInfo(EventID, MIL.M_MOUSE_POSITION_X, ref px); graphic.ptCurMousePos.x = px;MIL.MdispGetHookInfo(EventID, MIL.M_MOUSE_POSITION_Y, ref py); graphic.ptCurMousePos.y = py;MIL.MdispGetHookInfo(EventID, MIL.M_MOUSE_POSITION_BUFFER_X, ref graphic.ptCurPixelPos.x);MIL.MdispGetHookInfo(EventID, MIL.M_MOUSE_POSITION_BUFFER_Y, ref graphic.ptCurPixelPos.y);if (graphic.draw != null)graphic.draw.MouseMove(EventID);return 0;}static MIL_INT MouseLeftKeyDownHookFunc(MIL_INT HookType, MIL_ID EventID, IntPtr UserDataPtr){GCHandle gch = GCHandle.FromIntPtr(UserDataPtr);MilGraphicShow graphic = (MilGraphicShow)gch.Target;graphic.MouseLeftKeyDown = true;MIL.MdispGetHookInfo(EventID, MIL.M_MOUSE_POSITION_BUFFER_X, ref graphic.ptPixelBtnLDown.x);MIL.MdispGetHookInfo(EventID, MIL.M_MOUSE_POSITION_BUFFER_Y, ref graphic.ptPixelBtnLDown.y);if (graphic.draw != null)graphic.draw.BtnLDown(EventID);return 0;}static MIL_INT MouseLeftKeyUpHookFunc(MIL_INT HookType, MIL_ID EventID, IntPtr UserDataPtr){GCHandle gch = GCHandle.FromIntPtr(UserDataPtr);MilGraphicShow graphic = (MilGraphicShow)gch.Target;MIL.MdispGetHookInfo(EventID, MIL.M_MOUSE_POSITION_BUFFER_X, ref graphic.ptPixelBtnLUp.x);MIL.MdispGetHookInfo(EventID, MIL.M_MOUSE_POSITION_BUFFER_Y, ref graphic.ptPixelBtnLUp.y);if (graphic.draw != null)graphic.draw.BtnLUp(EventID);graphic.MouseLeftKeyDown = false;return 0;}static MIL_INT MouseRightKeyDownHookFunc(MIL_INT HookType, MIL_ID EventID, IntPtr UserDataPtr){GCHandle gch = GCHandle.FromIntPtr(UserDataPtr);MilGraphicShow graphic = (MilGraphicShow)gch.Target;graphic.MouseRightKeyDown = true;MIL.MdispGetHookInfo(EventID, MIL.M_MOUSE_POSITION_BUFFER_X, ref graphic.ptPixelBtnLDown.x);MIL.MdispGetHookInfo(EventID, MIL.M_MOUSE_POSITION_BUFFER_Y, ref graphic.ptPixelBtnLDown.y);if (graphic.draw != null)graphic.draw.BtnRDown(EventID);return 0;}static MIL_INT MouseRightKeyUpHookFunc(MIL_INT HookType, MIL_ID EventID, IntPtr UserDataPtr){GCHandle gch = GCHandle.FromIntPtr(UserDataPtr);MilGraphicShow graphic = (MilGraphicShow)gch.Target;MIL.MdispGetHookInfo(EventID, MIL.M_MOUSE_POSITION_BUFFER_X, ref graphic.ptPixelBtnLUp.x);MIL.MdispGetHookInfo(EventID, MIL.M_MOUSE_POSITION_BUFFER_Y, ref graphic.ptPixelBtnLUp.y);if (graphic.draw != null)graphic.draw.BtnRUp(EventID);graphic.MouseRightKeyDown = false;return 0;}static MIL_INT ROIChangeEndHookFunc(MIL_INT HookType, MIL_ID MilEvent, IntPtr UserDataPtr){GCHandle gch = GCHandle.FromIntPtr(UserDataPtr);MilGraphicShow graphic = (MilGraphicShow)gch.Target;MIL_ID DisplayID = graphic.MilDisplay;graphic.ptRoiInImageStart.x = MIL.MdispInquire(DisplayID, MIL.M_ROI_BUFFER_OFFSET_X, MIL.M_NULL);graphic.ptRoiInImageStart.y = MIL.MdispInquire(DisplayID, MIL.M_ROI_BUFFER_OFFSET_Y, MIL.M_NULL);graphic.ptRoiInImageEnd.x = MIL.MdispInquire(DisplayID, MIL.M_ROI_BUFFER_SIZE_X, MIL.M_NULL) + graphic.ptRoiInImageStart.x;graphic.ptRoiInImageEnd.y = MIL.MdispInquire(DisplayID, MIL.M_ROI_BUFFER_SIZE_Y, MIL.M_NULL) + graphic.ptRoiInImageStart.y;if (graphic.draw != null){graphic.ptRoiInImageStart.CopyTo(ref graphic.draw.rect.ptTL);graphic.ptRoiInImageEnd.CopyTo(ref graphic.draw.rect.ptDR);}return 0;}static MIL_INT ROIChangeHookFunc(MIL_INT HookType, MIL_ID MilEvent, IntPtr UserDataPtr){GCHandle gch = GCHandle.FromIntPtr(UserDataPtr);MilGraphicShow graphic = (MilGraphicShow)gch.Target;MIL_ID DisplayID = graphic.MilDisplay;graphic.ptRoiInImageStart.x = MIL.MdispInquire(DisplayID, MIL.M_ROI_BUFFER_OFFSET_X, MIL.M_NULL);graphic.ptRoiInImageStart.y = MIL.MdispInquire(DisplayID, MIL.M_ROI_BUFFER_OFFSET_Y, MIL.M_NULL);graphic.ptRoiInImageEnd.x = MIL.MdispInquire(DisplayID, MIL.M_ROI_BUFFER_SIZE_X, MIL.M_NULL) + graphic.ptRoiInImageStart.x;graphic.ptRoiInImageEnd.y = MIL.MdispInquire(DisplayID, MIL.M_ROI_BUFFER_SIZE_Y, MIL.M_NULL) + graphic.ptRoiInImageStart.y;if (graphic.draw != null){graphic.ptRoiInImageStart.CopyTo(ref graphic.draw.rect.ptTL);graphic.ptRoiInImageEnd.CopyTo(ref graphic.draw.rect.ptDR);}return 0;}static MIL_INT GraHookFunc(MIL_INT HookType, MIL_ID EventId, IntPtr UserDataPtr){GCHandle gch = GCHandle.FromIntPtr(UserDataPtr);MilGraphicShow graphic = (MilGraphicShow)gch.Target;MIL_INT nLabel = 0;MIL_INT nType = 0;MIL_ID MilGraphList = graphic.MilGraphList;MIL.MgraInquireList(graphic.MilGraphList, MIL.M_LIST, MIL.M_DEFAULT, MIL.M_LAST_LABEL, ref nLabel);if (nLabel <= 0 || nLabel >= 100) return 0;MIL.MgraInquireList(MilGraphList, MIL.M_GRAPHIC_LABEL(nLabel), MIL.M_DEFAULT, MIL.M_GRAPHIC_TYPE, ref nType);if (graphic.draw != null)graphic.draw.CallBackiInquire(MilGraphList, nLabel);return 0;}public void DispZoom(double ZoomFactorToApplyX, double ZoomFactorToApplyY){MIL.MdispZoom(MilDisplay, ZoomFactorToApplyX, ZoomFactorToApplyY);}public void DispZoomOut(){if (MilDisplay != MIL.M_NULL){double ZoomX = 1, ZoomY = 1;MIL.MdispInquire(MilDisplay, MIL.M_ZOOM_FACTOR_X, ref ZoomX);MIL.MdispInquire(MilDisplay, MIL.M_ZOOM_FACTOR_Y, ref ZoomY);if ((ZoomX >= 0.125) && (ZoomY >= 0.125)){ZoomX /= 1.5;ZoomY /= 1.5;}DispZoom(ZoomX, ZoomY);}}public void DispZoomIn(){if (MilDisplay != MIL.M_NULL){double ZoomX = 1, ZoomY = 1;MIL.MdispInquire(MilDisplay, MIL.M_ZOOM_FACTOR_X, ref ZoomX);MIL.MdispInquire(MilDisplay, MIL.M_ZOOM_FACTOR_Y, ref ZoomY);if ((ZoomX <= 8) && (ZoomY <= 8)){ZoomX *= 1.5;ZoomY *= 1.5;}DispZoom(ZoomX, ZoomY);}}public void DispFit(){double dX = panel.Width * 1.0 / MIL.MbufInquire(MilImage, MIL.M_SIZE_X, MIL.M_NULL);double dY = panel.Height * 1.0 / MIL.MbufInquire(MilImage, MIL.M_SIZE_Y, MIL.M_NULL);double dF = dX < dY ? dX : dY;DispZoom(dF, dF);}public void DispMouseUse(bool bEnable){MIL.MdispControl(MilDisplay, MIL.M_MOUSE_USE, bEnable ? MIL.M_ENABLE : MIL.M_DISABLE);}}public class MilGraphicDraw : Math__{MilGraphicShow show = null;public DRAW_TYPE drawType = DRAW_TYPE.DRAW_NONE;int nCircleCenterSize = 5;int nPtIndex = -2;bool bOnDraw = false;bool bExitThr = false;public int nMaskHalfPenSize = 10;public int nMaskAlpha = 100;  // 混合浓度MIL_ID MilBlendImage = 0;   // Mil的绘图图层MIL_ID MilImageMask = 0; // 实际绘制的图片(Mask)MIL_INT MilBackColor = 0;  // 背景色MIL_INT MilForeColor = 0;  // 前景色MIL_INT MilTransparentColor = 0;  // Mil计算出的透明颜色存放 IDMilPoint PtNow = new MilPoint();MilPoint PtNowLast = new MilPoint();MilPoint ptPixelBtnLDown = new MilPoint();MilPoint ptPixelBtnLUp = new MilPoint();MilPoint[] MilPts = new MilPoint[20];Stopwatch DrawInterval = Stopwatch.StartNew();public MilSegment segment = new MilSegment();public MilPoint[] polyLine = new MilPoint[10];public Rect rect = new Rect();public RectAngle rectAngle;public Arc arc = new Arc();public ArcRegion arcRegion = new ArcRegion();public Circle circle = new Circle();public CircleRegion circleRegion = new CircleRegion();public Arc ellipseArc = new Arc();public Circle ellipse = new Circle();public MilGraphicDraw(MilGraphicShow show_){show = show_;show.draw = this;InitMask();Thread thr = new Thread(thrDraw);thr.IsBackground = true;thr.Start();}public void MilFree(){show.draw = null;bExitThr = true;if (MilImageMask != 0)MIL.MbufFree(MilImageMask);}public void SetDrawType(DRAW_TYPE type){if (bOnDraw == false)drawType = type;}public void SetDrawColor(double MilColor){MIL.MgraColor(show.MilGraphContext, MilColor);}public void MouseMove(MIL_ID EventID){if (bOnDraw == false) return;MIL.MdispGetHookInfo(EventID, MIL.M_MOUSE_POSITION_BUFFER_X, ref PtNow.x);MIL.MdispGetHookInfo(EventID, MIL.M_MOUSE_POSITION_BUFFER_Y, ref PtNow.y);DrawMask(EventID);}public void BtnLDown(MIL_ID EventID){if (bOnDraw == false) return;MIL.MdispGetHookInfo(EventID, MIL.M_MOUSE_POSITION_BUFFER_X, ref ptPixelBtnLDown.x);MIL.MdispGetHookInfo(EventID, MIL.M_MOUSE_POSITION_BUFFER_Y, ref ptPixelBtnLDown.y);if (drawType == DRAW_TYPE.DRAW_RECT)nPtIndex = 0;DrawMask(EventID);}public void BtnLUp(MIL_ID EventID){if (bOnDraw == false) return;MIL.MdispGetHookInfo(EventID, MIL.M_MOUSE_POSITION_BUFFER_X, ref ptPixelBtnLUp.x);MIL.MdispGetHookInfo(EventID, MIL.M_MOUSE_POSITION_BUFFER_Y, ref ptPixelBtnLUp.y);if (nPtIndex >= 0 && nPtIndex <= 9 && GetPointToPointDist(ptPixelBtnLUp, MilPts[nPtIndex]) >= 5){ nPtIndex++; ptPixelBtnLUp.CopyTo(ref MilPts[nPtIndex]); }if (nPtIndex == -2)nPtIndex++;if (nPtIndex == -1 && ptPixelBtnLUp.x * ptPixelBtnLUp.y > 0){ ptPixelBtnLUp.CopyTo(ref MilPts[0]); nPtIndex++; }if (drawType == DRAW_TYPE.DRAW_RECT && nPtIndex < -10)nPtIndex = 1;}public void BtnRDown(MIL_ID EventID){if (bOnDraw == false) return;MIL.MdispGetHookInfo(EventID, MIL.M_MOUSE_POSITION_BUFFER_X, ref ptPixelBtnLDown.x);MIL.MdispGetHookInfo(EventID, MIL.M_MOUSE_POSITION_BUFFER_Y, ref ptPixelBtnLDown.y);DrawMask(EventID);}public void BtnRUp(MIL_ID EventID){if (bOnDraw == false) return;MIL.MdispGetHookInfo(EventID, MIL.M_MOUSE_POSITION_BUFFER_X, ref ptPixelBtnLUp.x);MIL.MdispGetHookInfo(EventID, MIL.M_MOUSE_POSITION_BUFFER_Y, ref ptPixelBtnLUp.y);}public void DrawStart(){if (drawType != DRAW_TYPE.DRAW_MASK)ClearGraphic();bOnDraw = true;nPtIndex = -2;}public void DrawEnd(){bOnDraw = false;MIL.MdispControl(show.MilDisplay, MIL.M_GRAPHIC_LIST_INTERACTIVE, MIL.M_DISABLE);MIL.MdispControl(show.MilDisplay, MIL.M_ROI_DEFINE, MIL.M_STOP);MIL.MdispControl(show.MilDisplay, MIL.M_ROI_SHOW, MIL.M_DISABLE);MIL.MdispControl(show.MilDisplay, MIL.M_ROI_RESET, MIL.M_DEFAULT);DrawOnEnd();}void thrDraw(){while (bExitThr == false){Thread.Sleep(10);if (bOnDraw == false) continue;if (DrawInterval.ElapsedMilliseconds <= 50) continue;if (nPtIndex < 0 || nPtIndex > 9) continue;if (GetPointToPointDist(PtNow, ptPixelBtnLUp) <= 1) continue;if (GetPointToPointDist(PtNow, PtNowLast) <= 1) continue;if (drawType == DRAW_TYPE.DRAW_NONE) continue;DrawInterval.Restart();PtNow.CopyTo(ref PtNowLast);MIL.MdispControl(show.MilDisplay, MIL.M_UPDATE, MIL.M_DISABLE);if (drawType == DRAW_TYPE.DRAW_ARC)DrawArc();if (drawType == DRAW_TYPE.DRAW_ARC_REGION)DrawArcRegion();if (drawType == DRAW_TYPE.DRAW_CIRCLE)DrawCircle();if (drawType == DRAW_TYPE.DRAW_CIRCLE_REGION)DrawCircleRegion();if (drawType == DRAW_TYPE.DRAW_RECT)DrawRect();if (drawType == DRAW_TYPE.DRAW_RECT_ANGLE)DrawRectAngle();if (drawType == DRAW_TYPE.DRAW_LINE)DrawLine();if (drawType == DRAW_TYPE.DRAW_POLYLINE)DrawPolyline();if (drawType == DRAW_TYPE.DRAW_POLYGON)DrawPolygon();if (drawType == DRAW_TYPE.DRAW_ELLIPSE)DrawEllipse();//if (drawType == DRAW_TYPE.DRAW_ELLIPSE_ARC)//    DrawEllipseArc();MIL.MdispControl(show.MilDisplay, MIL.M_UPDATE, MIL.M_ENABLE);}}void DrawArc(){ClearGraphic();if (nPtIndex == 0){SetDrawColor(MIL.M_COLOR_YELLOW);DrawLine(MilPts[0], PtNow);arc.AngleS = 0;}if (nPtIndex == 1){MilPoint PtS = new MilPoint();MilPoint PtE = new MilPoint();MilPoint PtTmp = new MilPoint();MilLine line = new MilLine();GetLine(MilPts[0], MilPts[1], ref line);bool bStartPt = false;if (line.A != 0){double dX = (line.B * PtNow.y + line.C) / line.A * (-1);bStartPt = dX > PtNow.x;//true=上点是起点  false=下点是起点// 确定弧绘制起点和终点if (bStartPt == (MilPts[0].y > MilPts[1].y)){MilPts[1].CopyTo(ref PtS);MilPts[0].CopyTo(ref PtE);}else{MilPts[0].CopyTo(ref PtS);MilPts[1].CopyTo(ref PtE);}}else{MilPts[1].y += 0.1;return;}GetCircleCenter(MilPts[0], MilPts[1], PtNow, ref MilPts[4]);MilPts[4].CopyTo(ref PtTmp); PtTmp.x = 10000;// 计算角度arc.AngleS = R2D(GetAngle(PtS, MilPts[4], PtTmp));arc.AngleE = R2D(GetAngle(PtE, MilPts[4], PtTmp));if (PtS.y > MilPts[4].y) arc.AngleS = 360 - arc.AngleS;if (PtE.y > MilPts[4].y) arc.AngleE = 360 - arc.AngleE;double dR = GetPointToPointDist(MilPts[4], MilPts[0]);SetDrawColor(MIL.M_COLOR_YELLOW);DrawCross(MilPts[4], nCircleCenterSize);DrawArc(MilPts[4], dR, dR, arc.AngleS, arc.AngleE);}if (nPtIndex == 2){MilPts[4].CopyTo(ref arc.ptCenter);arc.dRx = GetPointToPointDist(arc.ptCenter, MilPts[0]);arc.dRy = arc.dRx;SetDrawColor(MIL.M_COLOR_GREEN);DrawCross(arc.ptCenter, nCircleCenterSize);DrawArc(arc.ptCenter, arc.dRx, arc.dRy, arc.AngleS, arc.AngleE);nPtIndex = -2;}}void DrawArcRegion(){ClearGraphic();if (nPtIndex == 0){SetDrawColor(MIL.M_COLOR_YELLOW);DrawLine(MilPts[0], PtNow);arcRegion.AngleS = 0;}if (nPtIndex == 1){MilPoint PtS = new MilPoint();MilPoint PtE = new MilPoint();MilPoint PtTmp = new MilPoint();MilLine line = new MilLine();GetLine(MilPts[0], MilPts[1], ref line);bool bStartPt = false;if (line.A != 0){double dX = (line.B * PtNow.y + line.C) / line.A * (-1);bStartPt = dX > PtNow.x;//true=上点是起点  false=下点是起点// 确定弧绘制起点和终点if (bStartPt == (MilPts[0].y > MilPts[1].y)){MilPts[1].CopyTo(ref PtS);MilPts[0].CopyTo(ref PtE);}else{MilPts[0].CopyTo(ref PtS);MilPts[1].CopyTo(ref PtE);}}else{MilPts[1].y += 0.1;return;}GetCircleCenter(MilPts[0], MilPts[1], PtNow, ref MilPts[4]);MilPts[4].CopyTo(ref PtTmp); PtTmp.x = 10000;// 计算角度arcRegion.AngleS = R2D(GetAngle(PtS, MilPts[4], PtTmp));arcRegion.AngleE = R2D(GetAngle(PtE, MilPts[4], PtTmp));if (PtS.y > MilPts[4].y) arcRegion.AngleS = 360 - arcRegion.AngleS;if (PtE.y > MilPts[4].y) arcRegion.AngleE = 360 - arcRegion.AngleE;double dR = GetPointToPointDist(MilPts[4], MilPts[0]);SetDrawColor(MIL.M_COLOR_YELLOW);DrawCross(MilPts[4], nCircleCenterSize);DrawArc(MilPts[4], dR, dR, arcRegion.AngleS, arcRegion.AngleE);}if (nPtIndex == 2){MilPts[4].CopyTo(ref arcRegion.ptCenter);arcRegion.dR = GetPointToPointDist(arcRegion.ptCenter, MilPts[0]);double dDist_ = Math.Abs(GetPointToPointDist(arcRegion.ptCenter, PtNow) - arcRegion.dR);arcRegion.dRmin = arcRegion.dR - dDist_;arcRegion.dRmax = arcRegion.dR + dDist_;if (arcRegion.dRmin <= 0) arcRegion.dRmin = 1;SetDrawColor(MIL.M_COLOR_GREEN);DrawArc(arcRegion.ptCenter, arcRegion.dR, arcRegion.dR, arcRegion.AngleS, arcRegion.AngleE);DrawCross(arcRegion.ptCenter, nCircleCenterSize);SetDrawColor(MIL.M_COLOR_YELLOW);DrawArc(arcRegion.ptCenter, arcRegion.dRmin, arcRegion.dRmin, arcRegion.AngleS, arcRegion.AngleE);DrawArc(arcRegion.ptCenter, arcRegion.dRmax, arcRegion.dRmax, arcRegion.AngleS, arcRegion.AngleE);MilPoint PtS = new MilPoint();MilPoint PtE = new MilPoint();LineCircleCrossPt(arcRegion.ptCenter, arcRegion.AngleS * (-1), arcRegion.dRmin, ref PtS);LineCircleCrossPt(arcRegion.ptCenter, arcRegion.AngleS * (-1), arcRegion.dRmax, ref PtE);DrawVector(PtS, PtE);LineCircleCrossPt(arcRegion.ptCenter, arcRegion.AngleE * (-1), arcRegion.dRmin, ref PtS);LineCircleCrossPt(arcRegion.ptCenter, arcRegion.AngleE * (-1), arcRegion.dRmax, ref PtE);DrawVector(PtS, PtE);}if (nPtIndex == 3){double dDist_ = Math.Abs(GetPointToPointDist(arcRegion.ptCenter, MilPts[3]) - arcRegion.dR);arcRegion.dRmin = arcRegion.dR - dDist_;arcRegion.dRmax = arcRegion.dR + dDist_;if (arcRegion.dRmin <= 0) arcRegion.dRmin = 1;SetDrawColor(MIL.M_COLOR_YELLOW);DrawArc(arcRegion.ptCenter, arcRegion.dR, arcRegion.dR, arcRegion.AngleS, arcRegion.AngleE);SetDrawColor(MIL.M_COLOR_GREEN);DrawCross(arcRegion.ptCenter, nCircleCenterSize);DrawArc(arcRegion.ptCenter, arcRegion.dRmin, arcRegion.dRmin, arcRegion.AngleS, arcRegion.AngleE);DrawArc(arcRegion.ptCenter, arcRegion.dRmax, arcRegion.dRmax, arcRegion.AngleS, arcRegion.AngleE);MilPoint PtS = new MilPoint();MilPoint PtE = new MilPoint();LineCircleCrossPt(arcRegion.ptCenter, arcRegion.AngleS * (-1), arcRegion.dRmin, ref PtS);LineCircleCrossPt(arcRegion.ptCenter, arcRegion.AngleS * (-1), arcRegion.dRmax, ref PtE);DrawVector(PtS, PtE);LineCircleCrossPt(arcRegion.ptCenter, arcRegion.AngleE * (-1), arcRegion.dRmin, ref PtS);LineCircleCrossPt(arcRegion.ptCenter, arcRegion.AngleE * (-1), arcRegion.dRmax, ref PtE);DrawVector(PtS, PtE);nPtIndex = -2;}}void DrawCircle(){if (nPtIndex == 0){ClearGraphic();bOnDraw = false;SetDrawColor(MIL.M_COLOR_GREEN);MIL.MdispControl(show.MilDisplay, MIL.M_GRAPHIC_LIST_INTERACTIVE, MIL.M_ENABLE);// M_ROTATABLE MIL.MgraInteractive(show.MilGraphContext, show.MilGraphList, MIL.M_GRAPHIC_TYPE_ARC, MIL.M_FORCE_ASPECT_RATIO_1, MIL.M_DEFAULT);}}void DrawCircleRegion(){ClearGraphic();if (nPtIndex == 0){SetDrawColor(MIL.M_COLOR_YELLOW);DrawLine(MilPts[0], PtNow);}if (nPtIndex == 1){GetCircleCenter(MilPts[0], MilPts[1], PtNow, ref MilPts[4]);double dR = GetPointToPointDist(MilPts[4], MilPts[0]);SetDrawColor(MIL.M_COLOR_YELLOW);DrawCross(MilPts[4], nCircleCenterSize);DrawCircle(MilPts[4], dR, dR);}if (nPtIndex == 2){MilPts[4].CopyTo(ref circleRegion.ptCenter);circleRegion.dR = GetPointToPointDist(MilPts[4], MilPts[0]);double dDist_ = Math.Abs(GetPointToPointDist(MilPts[4], PtNow) - circleRegion.dR);circleRegion.dRmin = circleRegion.dR - dDist_;circleRegion.dRmax = circleRegion.dR + dDist_;if (circleRegion.dRmin <= 0) circleRegion.dRmin = 1;SetDrawColor(MIL.M_COLOR_GREEN);DrawCross(MilPts[4], nCircleCenterSize);DrawCircle(MilPts[4], circleRegion.dR, circleRegion.dR);SetDrawColor(MIL.M_COLOR_YELLOW);DrawCircle(MilPts[4], circleRegion.dRmin, circleRegion.dRmin);DrawCircle(MilPts[4], circleRegion.dRmax, circleRegion.dRmax);MilPoint PtS = new MilPoint();MilPoint PtE = new MilPoint();LineCircleCrossPt(circleRegion.ptCenter, 0, circleRegion.dRmin, ref PtS);LineCircleCrossPt(circleRegion.ptCenter, 0, circleRegion.dRmax, ref PtE);DrawVector(PtS, PtE);}if (nPtIndex == 3){double dDist_ = Math.Abs(GetPointToPointDist(circleRegion.ptCenter, MilPts[3]) - circleRegion.dR);circleRegion.dRmin = circleRegion.dR - dDist_;circleRegion.dRmax = circleRegion.dR + dDist_;if (circleRegion.dRmin <= 0) circleRegion.dRmin = 1;SetDrawColor(MIL.M_COLOR_YELLOW);DrawCircle(circleRegion.ptCenter, circleRegion.dR, circleRegion.dR);SetDrawColor(MIL.M_COLOR_GREEN);DrawCross(circleRegion.ptCenter, nCircleCenterSize);DrawCircle(circleRegion.ptCenter, circleRegion.dRmin, circleRegion.dRmin);DrawCircle(circleRegion.ptCenter, circleRegion.dRmax, circleRegion.dRmax);MilPoint PtS = new MilPoint();MilPoint PtE = new MilPoint();LineCircleCrossPt(circleRegion.ptCenter, 0, circleRegion.dRmin, ref PtS);LineCircleCrossPt(circleRegion.ptCenter, 0, circleRegion.dRmax, ref PtE);DrawVector(PtS, PtE);nPtIndex = -2;}}void DrawEllipse(){if (nPtIndex == 0){ClearGraphic();bOnDraw = false;SetDrawColor(MIL.M_COLOR_GREEN);MIL.MdispControl(show.MilDisplay, MIL.M_GRAPHIC_LIST_INTERACTIVE, MIL.M_ENABLE);// M_ROTATABLE MIL.MgraInteractive(show.MilGraphContext, show.MilGraphList, MIL.M_GRAPHIC_TYPE_ARC, MIL.M_DEFAULT, MIL.M_DEFAULT);}}void DrawEllipseArc(){if (nPtIndex == 0){ClearGraphic();bOnDraw = false;SetDrawColor(MIL.M_COLOR_GREEN);MIL.MdispControl(show.MilDisplay, MIL.M_GRAPHIC_LIST_INTERACTIVE, MIL.M_ENABLE);MIL.MgraInteractive(show.MilGraphContext, show.MilGraphList, MIL.M_GRAPHIC_TYPE_ARC, MIL.M_DEFAULT, MIL.M_DEFAULT);}}void DrawRect(){if (nPtIndex == 0){MIL.MdispControl(show.MilDisplay, MIL.M_ROI_DEFINE, MIL.M_START);MIL.MdispControl(show.MilDisplay, MIL.M_ROI_SHOW, MIL.M_ENABLE);nPtIndex = -20;}if (nPtIndex == 1){bOnDraw = false;}}void DrawRectAngle(){if (nPtIndex == 0){ClearGraphic();bOnDraw = false;SetDrawColor(MIL.M_COLOR_GREEN);MIL.MdispControl(show.MilDisplay, MIL.M_GRAPHIC_LIST_INTERACTIVE, MIL.M_ENABLE);// M_ROTATABLE  M_AXIS_ALIGNED_RECT MIL.MgraInteractive(show.MilGraphContext, show.MilGraphList, MIL.M_GRAPHIC_TYPE_RECT, MIL.M_DEFAULT, MIL.M_DEFAULT);}}void DrawLine(){if (nPtIndex == 0){ClearGraphic();bOnDraw = false;SetDrawColor(MIL.M_COLOR_GREEN);MIL.MdispControl(show.MilDisplay, MIL.M_GRAPHIC_LIST_INTERACTIVE, MIL.M_ENABLE);MIL.MgraInteractive(show.MilGraphContext, show.MilGraphList, MIL.M_GRAPHIC_TYPE_LINE, MIL.M_DEFAULT, MIL.M_DEFAULT);}}void DrawPolyline(){if (nPtIndex == 0){ClearGraphic();bOnDraw = false;SetDrawColor(MIL.M_COLOR_GREEN);MIL.MdispControl(show.MilDisplay, MIL.M_GRAPHIC_LIST_INTERACTIVE, MIL.M_ENABLE);MIL.MgraInteractive(show.MilGraphContext, show.MilGraphList, MIL.M_GRAPHIC_TYPE_POLYLINE, MIL.M_DEFAULT, MIL.M_DEFAULT);}}void DrawPolygon(){if (nPtIndex == 0){ClearGraphic();bOnDraw = false;SetDrawColor(MIL.M_COLOR_GREEN);MIL.MdispControl(show.MilDisplay, MIL.M_GRAPHIC_LIST_INTERACTIVE, MIL.M_ENABLE);MIL.MgraInteractive(show.MilGraphContext, show.MilGraphList, MIL.M_GRAPHIC_TYPE_POLYGON, MIL.M_DEFAULT, MIL.M_DEFAULT);}}void DrawOnEnd(){if (drawType == DRAW_TYPE.DRAW_NONE)return;if (drawType == DRAW_TYPE.DRAW_ARC_REGION)return;if (drawType == DRAW_TYPE.DRAW_CIRCLE_REGION)return;if (drawType == DRAW_TYPE.DRAW_MASK)return;ClearGraphic();if (drawType == DRAW_TYPE.DRAW_ARC)DrawArc(arc);if (drawType == DRAW_TYPE.DRAW_CIRCLE)DrawCircle(circle);if (drawType == DRAW_TYPE.DRAW_RECT)DrawRect(rect);if (drawType == DRAW_TYPE.DRAW_RECT_ANGLE)DrawRect(rectAngle);if (drawType == DRAW_TYPE.DRAW_LINE)DrawLine(MilPts[0], MilPts[1]);if (drawType == DRAW_TYPE.DRAW_POLYLINE)DrawPolyline(polyLine);if (drawType == DRAW_TYPE.DRAW_POLYGON)DrawPolygon(polyLine);if (drawType == DRAW_TYPE.DRAW_ELLIPSE)DrawCircle(ellipse);//if (drawType == DRAW_TYPE.DRAW_ELLIPSE_ARC)//    DrawArc(ellipseArc);}public void CallBackiInquire(MIL_ID MilGraphList, MIL_INT nLabel){//if (bOnDraw == false) return;if (drawType == DRAW_TYPE.DRAW_ARC)CallBackiInquireArc(MilGraphList, nLabel, ref arc);//if (drawType == DRAW_TYPE.DRAW_ELLIPSE_ARC)//    CallBackiInquireArc(MilGraphList, nLabel, ref ellipseArc);if (drawType == DRAW_TYPE.DRAW_CIRCLE)CallBackiInquireCircle(MilGraphList, nLabel, ref circle);if (drawType == DRAW_TYPE.DRAW_ELLIPSE)CallBackiInquireCircle(MilGraphList, nLabel, ref ellipse);if (drawType == DRAW_TYPE.DRAW_RECT_ANGLE)CallBackiInquireRectAngle(MilGraphList, nLabel, ref rectAngle);if (drawType == DRAW_TYPE.DRAW_LINE|| drawType == DRAW_TYPE.DRAW_POLYLINE|| drawType == DRAW_TYPE.DRAW_POLYGON)CallBackiInquireMultiPts(MilGraphList, nLabel);}void CallBackiInquireArc(MIL_ID MilGraphList, MIL_INT nLabel, ref Arc arc){//MIL.MgraInquireList(MilGraphList, MIL.M_GRAPHIC_LABEL(nLabel), MIL.M_DEFAULT, MIL.M_ANGLE_START, ref arc.AngleS);//MIL.MgraInquireList(MilGraphList, MIL.M_GRAPHIC_LABEL(nLabel), MIL.M_DEFAULT, MIL.M_ANGLE_END, ref arc.AngleE);//MIL.MgraInquireList(MilGraphList, MIL.M_GRAPHIC_LABEL(nLabel), MIL.M_DEFAULT, MIL.M_POSITION_X, ref arc.ptCenter.x);//MIL.MgraInquireList(MilGraphList, MIL.M_GRAPHIC_LABEL(nLabel), MIL.M_DEFAULT, MIL.M_POSITION_Y, ref arc.ptCenter.y);//MIL.MgraInquireList(MilGraphList, MIL.M_GRAPHIC_LABEL(nLabel), MIL.M_DEFAULT, MIL.M_RADIUS_X, ref arc.dRx);//MIL.MgraInquireList(MilGraphList, MIL.M_GRAPHIC_LABEL(nLabel), MIL.M_DEFAULT, MIL.M_RADIUS_Y, ref arc.dRy);}void CallBackiInquireCircle(MIL_ID MilGraphList, MIL_INT nLabel, ref Circle circle){MIL.MgraInquireList(MilGraphList, MIL.M_GRAPHIC_LABEL(nLabel), MIL.M_DEFAULT, MIL.M_POSITION_X, ref circle.ptCenter.x);MIL.MgraInquireList(MilGraphList, MIL.M_GRAPHIC_LABEL(nLabel), MIL.M_DEFAULT, MIL.M_POSITION_Y, ref circle.ptCenter.y);MIL.MgraInquireList(MilGraphList, MIL.M_GRAPHIC_LABEL(nLabel), MIL.M_DEFAULT, MIL.M_RADIUS_X, ref circle.dRx);MIL.MgraInquireList(MilGraphList, MIL.M_GRAPHIC_LABEL(nLabel), MIL.M_DEFAULT, MIL.M_RADIUS_Y, ref circle.dRy);MIL.MgraInquireList(MilGraphList, MIL.M_GRAPHIC_LABEL(nLabel), MIL.M_DEFAULT, MIL.M_ANGLE, ref circle.Angle);}void CallBackiInquireRectAngle(MIL_ID MilGraphList, MIL_INT nLabel, ref RectAngle rectAngle){MIL.MgraInquireList(MilGraphList, MIL.M_GRAPHIC_LABEL(nLabel), MIL.M_DEFAULT, MIL.M_ANGLE, ref rectAngle.Angle);MIL.MgraInquireList(MilGraphList, MIL.M_GRAPHIC_LABEL(nLabel), MIL.M_DEFAULT, MIL.M_POSITION_X, ref rectAngle.ptCenter.x);MIL.MgraInquireList(MilGraphList, MIL.M_GRAPHIC_LABEL(nLabel), MIL.M_DEFAULT, MIL.M_POSITION_Y, ref rectAngle.ptCenter.y);MIL.MgraInquireList(MilGraphList, MIL.M_GRAPHIC_LABEL(nLabel), MIL.M_DEFAULT, MIL.M_RECTANGLE_WIDTH, ref rectAngle.Width);MIL.MgraInquireList(MilGraphList, MIL.M_GRAPHIC_LABEL(nLabel), MIL.M_DEFAULT, MIL.M_RECTANGLE_HEIGHT, ref rectAngle.Height);}void CallBackiInquireMultiPts(MIL_ID MilGraphList, MIL_INT nLabel){MIL_INT MilNum = 0;MIL.MgraInquireList(MilGraphList, MIL.M_GRAPHIC_LABEL(nLabel), MIL.M_DEFAULT, MIL.M_NUMBER_OF_SUB_ELEMENTS + MIL.M_TYPE_MIL_INT, ref MilNum);polyLine = new MilPoint[(int)MilNum];for (int i = 0; i < MilNum; i++){MIL.MgraInquireList(MilGraphList, MIL.M_GRAPHIC_LABEL(nLabel), i, MIL.M_POSITION_X, ref polyLine[i].x);MIL.MgraInquireList(MilGraphList, MIL.M_GRAPHIC_LABEL(nLabel), i, MIL.M_POSITION_Y, ref polyLine[i].y);}}public void DrawLine(MilPoint PtS, MilPoint PtE){MIL.MgraLine(show.MilGraphContext, show.MilGraphList, PtS.x, PtS.y, PtE.x, PtE.y);}public void DrawVector(MilPoint PtS, MilPoint PtE){MilPoint ptTmp1 = Rotate(PtS, PtE, 40);MilPoint ptTmp2 = Rotate(PtS, PtE, -40);double dF = 4 / GetPointToPointDist(PtS, PtE);ptTmp1.x = (ptTmp1.x - PtE.x) * dF + PtE.x;ptTmp1.y = (ptTmp1.y - PtE.y) * dF + PtE.y;ptTmp2.x = (ptTmp2.x - PtE.x) * dF + PtE.x;ptTmp2.y = (ptTmp2.y - PtE.y) * dF + PtE.y;double[] dSptX = new double[3] { PtS.x, ptTmp1.x, ptTmp2.x };double[] dSptY = new double[3] { PtS.y, ptTmp1.y, ptTmp2.y };double[] dEptX = new double[3] { PtE.x, PtE.x, PtE.x };double[] dEptY = new double[3] { PtE.y, PtE.y, PtE.y };MIL.MgraLines(show.MilGraphContext, show.MilGraphList, 3, dSptX, dSptY, dEptX, dEptY, MIL.M_DEFAULT);}public void DrawArc(Arc arc){DrawArc(arc.ptCenter, arc.dRx, arc.dRy, arc.AngleS, arc.AngleE);}public void DrawArc(MilPoint PtCenter, double dRx, double dRy, double dAngleS, double dAngleE){MIL.MgraArc(show.MilGraphContext, show.MilGraphList, PtCenter.x, PtCenter.y, dRx, dRy, dAngleS, dAngleE);}public void DrawCircle(Circle circle){DrawCircle(circle.ptCenter, circle.dRx, circle.dRy, circle.Angle);}public void DrawCircle(MilPoint PtCenter, double dRx, double dRy, double dAngle = 0){MIL.MgraArcAngle(show.MilGraphContext, show.MilGraphList, PtCenter.x, PtCenter.y, dRx, dRy, 0, 360, dAngle, MIL.M_CONTOUR);}public void DrawCross(MilPoint PtCenter, double dLen){double[] dXs = new double[2] { PtCenter.x, PtCenter.x - dLen / 2 };double[] dYs = new double[2] { PtCenter.y - dLen / 2, PtCenter.y };double[] dXe = new double[2] { PtCenter.x, PtCenter.x + dLen / 2 };double[] dYe = new double[2] { PtCenter.y + dLen / 2, PtCenter.y };MIL.MgraLines(show.MilGraphContext, show.MilGraphList, 2, dXs, dYs, dXe, dYe, MIL.M_DEFAULT);}public void DrawRect(Rect rect){DrawRect(rect.ptTL, rect.ptDR);}public void DrawRect(RectAngle rectAngle){DrawRect(rectAngle.ptCenter, rectAngle.Width, rectAngle.Height, rectAngle.Angle);}public void DrawRect(MilPoint ptTL, MilPoint ptDR, double dAngle = 0){MIL.MgraRectAngle(show.MilGraphContext, show.MilGraphList,(ptDR.x + ptTL.x) / 2,(ptDR.y + ptTL.y) / 2,Math.Abs(ptDR.x - ptTL.x),Math.Abs(ptDR.y - ptTL.y),dAngle, MIL.M_CENTER_AND_DIMENSION);}public void DrawRect(MilPoint ptCL, double dW, double dH, double dAngle = 0){MIL.MgraRectAngle(show.MilGraphContext, show.MilGraphList, ptCL.x, ptCL.y, dW, dH, dAngle, MIL.M_CENTER_AND_DIMENSION);}public void DrawPolyline(MilPoint[] pts){int nLen = pts.Length;double[] dx = new double[nLen];double[] dy = new double[nLen];for (int i = 0; i < nLen; i++){dx[i] = pts[i].x;dy[i] = pts[i].y;}MIL.MgraLines(show.MilGraphContext, show.MilGraphList, nLen, dx, dy, MIL.M_NULL, MIL.M_NULL, MIL.M_POLYLINE);}public void DrawPolygon(MilPoint[] pts){int nLen = pts.Length;double[] dx = new double[nLen];double[] dy = new double[nLen];for (int i = 0; i < nLen; i++){dx[i] = pts[i].x;dy[i] = pts[i].y;}MIL.MgraLines(show.MilGraphContext, show.MilGraphList, nLen, dx, dy, MIL.M_NULL, MIL.M_NULL, MIL.M_POLYGON);}public void ClearGraphic(){MIL.MbufClear(MilImageMask, MilBackColor);AlphaBlend(show.MilImage, MilImageMask, MilBlendImage, MilBackColor, (int)MilTransparentColor, nMaskAlpha);if (show.MilGraphList != MIL.M_NULL){MIL.MgraClear(show.MilGraphContext, show.MilGraphList);}}public void SetMaskBackColor(MIL_INT color){MilBackColor = color;MIL.MbufClear(MilImageMask, MilBackColor);}public void SetMaskForeColor(MIL_INT color){MilForeColor = color;}public void SetPenSize(int nSize){nMaskHalfPenSize = nSize;}public void SetAlpha(int nalpha){if (0 < nalpha && nalpha < 256)nMaskAlpha = nalpha;if (bOnDraw)AlphaBlend(show.MilImage, MilImageMask, MilBlendImage, MilBackColor, (int)MilTransparentColor, nMaskAlpha);}void AlphaBlend(MIL_ID MilDisplayedImage, MIL_ID MilImageMask, MIL_ID MilBlendImage, MIL_INT UserTransparentColor, int OverlayTransparentColor, MIL_INT Alpha){if (Alpha > 0){MIL.MimArithMultiple(MilDisplayedImage, 256 - Alpha, MilImageMask, Alpha, 256,MilBlendImage, MIL.M_MULTIPLY_ACCUMULATE_2, MIL.M_DEFAULT);}elseMIL.MbufClear(this.MilBlendImage, OverlayTransparentColor);}void InitMask(){MilBlendImage = (MIL_ID)MIL.MdispInquire(show.MilDisplay, MIL.M_OVERLAY_ID, MIL.M_NULL);MilImageMask = MIL.MbufAllocColor(show.MilSystem, 3,show.MilImageSizeX,show.MilImageSizeY,8 + MIL.M_UNSIGNED,MIL.M_IMAGE + MIL.M_PROC + MIL.M_BGR32 + MIL.M_PACKED,MIL.M_NULL);MilTransparentColor = MIL.MdispInquire(show.MilDisplay, MIL.M_TRANSPARENT_COLOR, MIL.M_NULL);MIL.MbufClear(MilImageMask, MilBackColor);AlphaBlend(show.MilImage, MilImageMask, MilBlendImage, MilBackColor, (int)MilTransparentColor, nMaskAlpha);}public MIL_ID GetMask(String sFullPath = ""){if (sFullPath.ToLower() == "auto"){MIL.MappControl(MIL.M_DEFAULT, MIL.M_ERROR, MIL.M_PRINT_DISABLE);MIL.MbufSave(MIL.M_INTERACTIVE, MilImageMask);MIL.MappControl(MIL.M_DEFAULT, MIL.M_ERROR, MIL.M_PRINT_ENABLE);}else if (sFullPath != "")MIL.MbufSave(sFullPath, MilImageMask);return MilImageMask;}void DrawMask(MIL_ID EventID){if (drawType == DRAW_TYPE.DRAW_MASK){MIL_INT CombinationKeys = 0;MIL.MdispGetHookInfo(EventID, MIL.M_COMBINATION_KEYS, ref CombinationKeys);if (CombinationKeys == MIL.M_MOUSE_LEFT_BUTTON)DrawMask(show.MilImage, MilImageMask, MilBlendImage, (int)PtNow.x, (int)PtNow.y, nMaskHalfPenSize, MilBackColor, (int)MilForeColor, nMaskAlpha);else if (CombinationKeys == MIL.M_MOUSE_RIGHT_BUTTON)DrawMask(show.MilImage, MilImageMask, MilBlendImage, (int)PtNow.x, (int)PtNow.y, nMaskHalfPenSize, MilBackColor, (int)MilBackColor, nMaskAlpha);}}void DrawMask(MIL_ID MilDisplayedImage, MIL_ID MilImageMask, MIL_ID MilBlendImage, int mPosX, int nPosY, int nHalfSize, MIL_INT nBackColor, int nForeColor, int nAlpha){MIL.MgraColor(show.MilGraphContext, nForeColor);MIL.MgraArcFill(show.MilGraphContext, MilImageMask, mPosX, nPosY, nHalfSize, nHalfSize, 0, 360);MIL.MdispControl(show.MilDisplay, MIL.M_UPDATE, MIL.M_DISABLE);AlphaBlend(MilDisplayedImage, MilImageMask, MilBlendImage, nBackColor, (int)MilTransparentColor, nAlpha);MIL.MdispControl(show.MilDisplay, MIL.M_UPDATE, MIL.M_ENABLE);}}public class Math__{public void LineCircleCrossPt(MilPoint PtCircleCenter, double dAngle, double dR, ref MilPoint PtCross){double dAngle_ = D2R(dAngle);PtCross.x = PtCircleCenter.x + dR * Math.Cos(dAngle_);PtCross.y = PtCircleCenter.y + dR * Math.Sin(dAngle_);}public void GetLine(MilPoint Pt1, MilPoint Pt2, ref MilLine line){if (Pt1.x == Pt2.x){line.A = 1;line.B = 0;line.C = Pt1.x * (-1);return;}if (Pt1.y == Pt2.y){line.A = 0;line.B = 1;line.C = Pt1.y * (-1);return;}double dK = (Pt2.y - Pt1.y) / (Pt2.x - Pt1.x);double dB = Pt1.y - dK * Pt1.x;line.A = dK;line.B = -1;line.C = dB;}public void GetVLine(MilPoint Pt1, MilPoint Pt2, ref MilLine line){MilPoint Pt = new MilPoint();Pt.x = (Pt1.x + Pt2.x) / 2;Pt.y = (Pt1.y + Pt2.y) / 2;if (Pt1.x == Pt2.x){line.A = 0;line.B = 1;line.C = Pt.y * (-1);return;}if (Pt1.y == Pt2.y){line.A = 1;line.B = 0;line.C = Pt.x * (-1);return;}double dK = (Pt2.x - Pt1.x) / (Pt1.y - Pt2.y);double dB = Pt.y - dK * Pt.x;line.A = dK;line.B = -1;line.C = dB;}public void GetLineLineCrossPt(MilLine line1, MilLine line2, ref MilPoint PtCross){if (line1.A == line2.A && line1.B == line2.B) return;if (line1.A == 0 && line2.A == 0) return;if (line1.B == 0 && line2.B == 0) return;if (line1.B == 0){PtCross.x = line1.C / line1.A * (-1);PtCross.y = (line2.A * PtCross.x + line2.C) / line2.B * (-1);return;}if (line2.B == 0){PtCross.x = line2.C / line2.A * (-1);PtCross.y = (line1.A * PtCross.x + line1.C) / line1.B * (-1);return;}double dK1 = line1.Get_k();double dK2 = line2.Get_k();double dB1 = line1.Get_b();double dB2 = line2.Get_b();PtCross.x = (dB2 - dB1) / (dK1 - dK2);PtCross.y = dK1 * PtCross.x + dB1;}public void GetCircleCenter(MilPoint Pt1, MilPoint Pt2, MilPoint Pt3, ref MilPoint PtCenter){MilLine line1 = new MilLine();MilLine line2 = new MilLine();GetVLine(Pt1, Pt2, ref line1);GetVLine(Pt1, Pt3, ref line2);GetLineLineCrossPt(line1, line2, ref PtCenter);}public double GetPointToPointDist(MilPoint Pt1, MilPoint Pt2){return Math.Sqrt(Math.Pow(Pt2.x - Pt1.x, 2) + Math.Pow(Pt2.y - Pt1.y, 2));}public double GetAngle(MilPoint PtL, MilPoint PtC, MilPoint PtR){MilPoint PtLN = new MilPoint();MilPoint PtRN = new MilPoint();PtLN.x = PtL.x - PtC.x;PtLN.y = PtL.y - PtC.y;PtRN.x = PtR.x - PtC.x;PtRN.y = PtR.y - PtC.y;double fA = PtLN.x * PtRN.x + PtLN.y * PtRN.y;double fB = Math.Sqrt(PtLN.x * PtLN.x + PtLN.y * PtLN.y);double fC = Math.Sqrt(PtRN.x * PtRN.x + PtRN.y * PtRN.y);double fRtn = fA / (fB * fC);return Math.Acos(fRtn);}public double R2D(double dR){return dR / 3.1415926 * 180;}public double D2R(double dR){return dR / 180 * 3.1415926;}public MilPoint Rotate(MilPoint ptRot, MilPoint ptBase, double dAngle){double dCos = Math.Cos(D2R(dAngle));double dSin = Math.Sin(D2R(dAngle));MilPoint TmpMyPt;TmpMyPt.x = ptRot.x - ptBase.x;TmpMyPt.y = ptRot.y - ptBase.y;double x = dCos * TmpMyPt.x + dSin * TmpMyPt.y;double y = dCos * TmpMyPt.y - dSin * TmpMyPt.x;TmpMyPt.x = x + ptBase.x;TmpMyPt.y = y + ptBase.y;return TmpMyPt;}}
}

附代码 - Demo调用部分

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Diagnostics;
using System.Threading.Tasks;
using System.Windows.Forms;
using Matrox.MatroxImagingLibrary;namespace MilDraw
{public partial class FormMain : Form{MIL_ID MilApplication;MIL_ID MilSystem;MIL_ID MilDisplay;MIL_ID MilImage;MIL_ID MilGraContext;MIL_ID MilGraList;MilGraphicShow gra = null;MilGraphicDraw graDraw = null;public FormMain(){InitializeComponent();MIL.MappAllocDefault(MIL.M_DEFAULT, ref MilApplication, ref MilSystem, ref MilDisplay, MIL.M_NULL, MIL.M_NULL);//MIL.MbufAllocColor(MilSystem, 1, 2464, 2040, 8 + MIL.M_UNSIGNED, MIL.M_IMAGE + MIL.M_DISP + MIL.M_PROC, ref MilImage);//MIL.MbufClear(MilImage, 50);MIL.MbufRestore("5.jpeg", MilSystem, ref MilImage);MIL.MgraAlloc(MilSystem, ref MilGraContext);MIL.MgraAllocList(MilSystem, MIL.M_DEFAULT, ref MilGraList);MIL.MdispControl(MilDisplay, MIL.M_ASSOCIATED_GRAPHIC_LIST_ID, MilGraList);gra = new MilGraphicShow(MilSystem, MilDisplay, MilImage, panel1);gra.DispFit();graDraw = new MilGraphicDraw(gra);comboBox1.Items.Add("DRAW_NONE");comboBox1.Items.Add("DRAW_RECT");comboBox1.Items.Add("DRAW_RECT_ANGLE");comboBox1.Items.Add("DRAW_CIRCLE");comboBox1.Items.Add("DRAW_CIRCLE_REGION");comboBox1.Items.Add("DRAW_ARC");comboBox1.Items.Add("DRAW_ARC_REGION");comboBox1.Items.Add("DRAW_ELLIPSE");//comboBox1.Items.Add("DRAW_ELLIPSE_ARC");comboBox1.Items.Add("DRAW_POLYLINE");comboBox1.Items.Add("DRAW_POLYGON");comboBox1.Items.Add("DRAW_MASK");comboBox1.SelectedItem = "DRAW_NONE";checkBox1.Checked = true;checkBox6.Checked = true;textBox1.Text = graDraw.nMaskHalfPenSize.ToString();textBox2.Text = graDraw.nMaskAlpha.ToString();timer.Interval = 20;timer.Start();}private void Form1_FormClosing(object sender, FormClosingEventArgs e){timer.Stop();gra.MilFree();graDraw.MilFree();MIL.MbufFree(MilImage);MIL.MgraFree(MilGraList);MIL.MgraFree(MilGraContext);MIL.MappFreeDefault(MilApplication, MilSystem, MilDisplay, MIL.M_NULL, MIL.M_NULL);}private void button1_Click(object sender, EventArgs e){graDraw.SetDrawType(GetDrawType());graDraw.DrawStart();EnableColorBox(false, false);if (GetDrawType() == DRAW_TYPE.DRAW_MASK)gra.DispMouseUse(false);}private void button2_Click(object sender, EventArgs e){graDraw.DrawEnd();if (graDraw.drawType == DRAW_TYPE.DRAW_MASK){EnableColorBox(true, false);gra.DispMouseUse(true);}}DRAW_TYPE GetDrawType(){if (comboBox1.SelectedItem == "DRAW_NONE") return DRAW_TYPE.DRAW_NONE;if (comboBox1.SelectedItem == "DRAW_RECT") return DRAW_TYPE.DRAW_RECT;if (comboBox1.SelectedItem == "DRAW_RECT_ANGLE") return DRAW_TYPE.DRAW_RECT_ANGLE;if (comboBox1.SelectedItem == "DRAW_CIRCLE") return DRAW_TYPE.DRAW_CIRCLE;if (comboBox1.SelectedItem == "DRAW_CIRCLE_REGION") return DRAW_TYPE.DRAW_CIRCLE_REGION;if (comboBox1.SelectedItem == "DRAW_ARC") return DRAW_TYPE.DRAW_ARC;if (comboBox1.SelectedItem == "DRAW_ARC_REGION") return DRAW_TYPE.DRAW_ARC_REGION;if (comboBox1.SelectedItem == "DRAW_ELLIPSE") return DRAW_TYPE.DRAW_ELLIPSE;//if ( comboBox1.SelectedItem == "DRAW_ELLIPSE_ARC")return DRAW_TYPE.DRAW_ELLIPSE_ARC;if (comboBox1.SelectedItem == "DRAW_POLYLINE") return DRAW_TYPE.DRAW_POLYLINE;if (comboBox1.SelectedItem == "DRAW_POLYGON") return DRAW_TYPE.DRAW_POLYGON;if (comboBox1.SelectedItem == "DRAW_MASK") return DRAW_TYPE.DRAW_MASK;return DRAW_TYPE.DRAW_NONE;}private void timer_Tick(object sender, EventArgs e){if (gra == null) return;if (graDraw == null) return;labelTip.Text = "PtInScreen [" + gra.ptCurMousePos.x.ToString("F4") + ", " + gra.ptCurMousePos.y.ToString("F4") + "]\n";labelTip.Text += "PtInImage [" + gra.ptCurPixelPos.x.ToString("F4") + ", " + gra.ptCurPixelPos.y.ToString("F4") + "]";if (graDraw.drawType == DRAW_TYPE.DRAW_ARC){label1.Text = "Ptc = [" + graDraw.arc.ptCenter.x.ToString("F4") + ", " + graDraw.arc.ptCenter.y.ToString("F4") + "]";label2.Text = "Rx = " + graDraw.arc.dRx.ToString("F4");label3.Text = "Ry = " + graDraw.arc.dRy.ToString("F4");label4.Text = "AngleS = " + graDraw.arc.AngleS.ToString("F4");label5.Text = "AngleE = " + graDraw.arc.AngleE.ToString("F4");label6.Text = "";}if (graDraw.drawType == DRAW_TYPE.DRAW_ARC_REGION){label1.Text = "Ptc = [" + graDraw.arcRegion.ptCenter.x.ToString("F4") + ", " + graDraw.arcRegion.ptCenter.y.ToString("F4") + "]";label2.Text = "R = " + graDraw.arcRegion.dR.ToString("F4");label3.Text = "AngleS = " + graDraw.arcRegion.AngleS.ToString("F4");label4.Text = "AngleE = " + graDraw.arcRegion.AngleE.ToString("F4");label5.Text = "Rmin = " + graDraw.arcRegion.dRmin.ToString("F4");label6.Text = "Rmax = " + graDraw.arcRegion.dRmax.ToString("F4");}if (graDraw.drawType == DRAW_TYPE.DRAW_CIRCLE){label1.Text = "Ptc = [" + graDraw.circle.ptCenter.x.ToString("F4") + ", " + graDraw.circle.ptCenter.y.ToString("F4") + "]";label2.Text = "Rx = " + graDraw.circle.dRx.ToString("F4");label3.Text = "Ry = " + graDraw.circle.dRy.ToString("F4");label4.Text = "";label5.Text = "";label6.Text = "";}if (graDraw.drawType == DRAW_TYPE.DRAW_CIRCLE_REGION){label1.Text = "Ptc = [" + graDraw.circleRegion.ptCenter.x.ToString("F4") + ", " + graDraw.circleRegion.ptCenter.y.ToString("F4") + "]";label2.Text = "R = " + graDraw.circleRegion.dR.ToString("F4");label3.Text = "Rmin = " + graDraw.circleRegion.dRmin.ToString("F4");label4.Text = "Rmax = " + graDraw.circleRegion.dRmax.ToString("F4");label5.Text = "";label6.Text = "";}//if (graDraw.drawType == DRAW_TYPE.DRAW_ELLIPSE_ARC)//{//    label1.Text = "Ptc = [" + graDraw.ellipseArc.ptCenter.x.ToString("F4") + ", " + graDraw.ellipseArc.ptCenter.y.ToString("F4") + "]";//    label2.Text = "Rx = " + graDraw.ellipseArc.dRx.ToString("F4");//    label3.Text = "Ry = " + graDraw.ellipseArc.dRy.ToString("F4");//    label4.Text = "AngleS = " + graDraw.ellipseArc.AngleS.ToString("F4");//    label5.Text = "AngleE = " + graDraw.ellipseArc.AngleE.ToString("F4");//}if (graDraw.drawType == DRAW_TYPE.DRAW_ELLIPSE){label1.Text = "Ptc = [" + graDraw.ellipse.ptCenter.x.ToString("F4") + ", " + graDraw.ellipse.ptCenter.y.ToString("F4") + "]";label2.Text = "Rx = " + graDraw.ellipse.dRx.ToString("F4");label3.Text = "Ry = " + graDraw.ellipse.dRy.ToString("F4");label4.Text = "Angle = " + graDraw.ellipse.Angle.ToString("F4");label5.Text = "";label6.Text = "";}if (graDraw.drawType == DRAW_TYPE.DRAW_RECT){label1.Text = "PtTL = [" + graDraw.rect.ptTL.x.ToString("F4") + ", " + graDraw.rect.ptTL.y.ToString("F4") + "]";label2.Text = "PtDR = [" + graDraw.rect.ptDR.x.ToString("F4") + ", " + graDraw.rect.ptDR.y.ToString("F4") + "]";label3.Text = "";label4.Text = "";label5.Text = "";label6.Text = "";}if (graDraw.drawType == DRAW_TYPE.DRAW_RECT_ANGLE){label1.Text = "Ptc = [" + graDraw.rectAngle.ptCenter.x.ToString("F4") + ", " + graDraw.rectAngle.ptCenter.y.ToString("F4") + "]";label2.Text = "Width = " + graDraw.rectAngle.Width.ToString("F4");label3.Text = "Height = " + graDraw.rectAngle.Height.ToString("F4");label4.Text = "Angle = " + graDraw.rectAngle.Angle.ToString("F4");label5.Text = "";label6.Text = "";}if ((graDraw.drawType == DRAW_TYPE.DRAW_LINE|| graDraw.drawType == DRAW_TYPE.DRAW_POLYLINE|| graDraw.drawType == DRAW_TYPE.DRAW_POLYGON)){label1.Text = "num = " + graDraw.polyLine.Length.ToString();if (graDraw.polyLine.Length > 0)label2.Text = "Pt1 = [" + graDraw.polyLine[0].x.ToString("F4") + ", " + graDraw.polyLine[0].y.ToString("F4") + "]";if (graDraw.polyLine.Length > 1)label3.Text = "Pt2 = [" + graDraw.polyLine[1].x.ToString("F4") + ", " + graDraw.polyLine[1].y.ToString("F4") + "]";if (graDraw.polyLine.Length > 2)label4.Text = "Pt3 = [" + graDraw.polyLine[2].x.ToString("F4") + ", " + graDraw.polyLine[2].y.ToString("F4") + "]";if (graDraw.polyLine.Length > 3)label5.Text = "Pt4 = [" + graDraw.polyLine[3].x.ToString("F4") + ", " + graDraw.polyLine[3].y.ToString("F4") + "]";if (graDraw.polyLine.Length > 4)label6.Text = "Pt5 = [" + graDraw.polyLine[4].x.ToString("F4") + ", " + graDraw.polyLine[4].y.ToString("F4") + "]";}}private void comboBox1_SelectedIndexChanged(object sender, EventArgs e){if (comboBox1.SelectedItem == "DRAW_MASK")EnableColorBox(true);elseEnableColorBox(false);}void EnableColorBox(bool bEnable, bool bIsAll = true){if (bIsAll){checkBox1.Enabled = bEnable;checkBox2.Enabled = bEnable;checkBox3.Enabled = bEnable;checkBox4.Enabled = bEnable;checkBox5.Enabled = bEnable;}checkBox6.Enabled = bEnable;checkBox7.Enabled = bEnable;}int nSelForeColor = 0;int nSelBackColor = 0;MIL_INT[] MilForeColor = new MIL_INT[5] {MIL.M_COLOR_GREEN, MIL.M_COLOR_CYAN, MIL.M_COLOR_DARK_BLUE, MIL.M_COLOR_YELLOW,MIL.M_COLOR_MAGENTA };MIL_INT[] MilBlackColor = new MIL_INT[2] { MIL.M_COLOR_BLACK, MIL.M_COLOR_WHITE };void CheckForeColor(CheckBox cBox){if (cBox != checkBox1) checkBox1.Checked = false; else nSelForeColor = 0;if (cBox != checkBox2) checkBox2.Checked = false; else nSelForeColor = 1;if (cBox != checkBox3) checkBox3.Checked = false; else nSelForeColor = 2;if (cBox != checkBox4) checkBox4.Checked = false; else nSelForeColor = 3;if (cBox != checkBox5) checkBox5.Checked = false; else nSelForeColor = 4;graDraw.SetMaskForeColor(MilForeColor[nSelForeColor]);}void CheckBackColor(CheckBox cBox){if (cBox != checkBox6) checkBox6.Checked = false; else nSelBackColor = 0;if (cBox != checkBox7) checkBox7.Checked = false; else nSelBackColor = 1;graDraw.SetMaskBackColor(MilBlackColor[nSelBackColor]);}bool bInCheck = false;private void CheckBox_CheckedChanged(object sender, EventArgs e){if (bInCheck) return;bInCheck = true;CheckBox cBox = (CheckBox)sender;cBox.Checked = true;if (cBox == checkBox6 || cBox == checkBox7)CheckBackColor(cBox);elseCheckForeColor(cBox);bInCheck = false;}private void button3_Click(object sender, EventArgs e){graDraw.SetPenSize(int.Parse(textBox1.Text));}private void button4_Click(object sender, EventArgs e){graDraw.SetAlpha(int.Parse(textBox2.Text));}private void button5_Click(object sender, EventArgs e){graDraw.GetMask("auto");}private void button6_Click(object sender, EventArgs e){graDraw.ClearGraphic();}}
}