Exemplo n.º 1
0
        private void pictureBox1_MouseMove(object sender, MouseEventArgs e)//鼠标移动
        {
            if (IsMouseDown)
            {
                pictureBox.Image = FrontImage.Clone() as Image;

                switch (NowCase)
                {
                case CASE.NoOperation:
                    break;

                case CASE.line:
                    Line l = new Line();
                    l.InitLine(pictureBox, color, x0, y0, e.X, e.Y);
                    l.Draw();
                    break;

                case CASE.roundness:
                    Roundness r = new Roundness();
                    r.InitRoundness(pictureBox, color, x0, y0, e.X, e.Y);
                    r.Draw();
                    break;

                case CASE.ellipse:
                    Ellipse ee = new Ellipse();
                    ee.InitEllipse(pictureBox, color, x0, y0, e.X, e.Y);
                    ee.Draw();
                    break;

                case CASE.rectangle:
                    Rect re = new Rect();
                    re.InitRectangle(pictureBox, color, x0, y0, e.X, e.Y);
                    re.Draw();
                    break;

                case CASE.pencil:
                    break;

                case CASE.clip:
                    Rect c = new Rect();
                    c.InitRectangle(pictureBox, color, x0, y0, e.X, e.Y);
                    c.SelectShape();
                    c.Draw();
                    c.unSelectShape();
                    break;

                case CASE.selected:
                    break;

                case CASE.polygon:
                    break;

                case CASE.Panning:
                    selectedShape.Setdxdy(e.X - x0, e.Y - y0);
                    selectedShape.Draw();
                    break;

                default:
                    break;
                }
            }
            if (NowCase == CASE.polygon && !pn.FinishDraw && pn.GetCount() > 0)
            {
                pictureBox.Image = FrontImage.Clone() as Image;
                pn.AddPoint(e.X, e.Y);
                pn.Draw();
                pn.RemovePoint(e.X, e.Y);
            }
            else if (NowCase == CASE.Bezier && !bz.FinishDraw && bz.GetCount() > 0)
            {
                RefreshPictureBox();
                //pictureBox.Image = FrontImage.Clone() as Image;
                bz.AddControlPoint(e.X, e.Y);
                bz.Draw();
                bz.RemovePoint(e.X, e.Y);
            }
            else if (NowCase == CASE.Bsplines && !bs.FinishDraw && bs.GetCount() > 0)
            {
                RefreshPictureBox();
                //pictureBox.Image = FrontImage.Clone() as Image;
                bs.AddControlPoint(e.X, e.Y);
                bs.Draw();
                bs.RemovePoint(e.X, e.Y);
            }
        }
Exemplo n.º 2
0
        private void pictureBox1_MouseUp(object sender, MouseEventArgs e)//鼠标左键松开
        {
            if (NowCase == CASE.selected)
            {
                if (selectedShape != null)
                {
                    selectedShape.unSelectShape();
                }
                selectedShape = OperaStep.SelectShape(x0, y0);
                if (selectedShape != null)
                {
                    selectedShape.InitButton();
                    selectedShape.SelectShape();
                }
            }

            RefreshPictureBox();
            if (IsMouseDown)
            {
                IsMouseDown = false;
            }

            switch (NowCase)
            {
            case CASE.NoOperation:
                break;

            case CASE.line:
                Line l = new Line();
                l.InitLine(pictureBox, color, x0, y0, e.X, e.Y);
                l.Draw();
                OperaStep.AddStep(l);
                break;

            case CASE.roundness:
                Roundness r = new Roundness();
                r.InitRoundness(pictureBox, color, x0, y0, e.X, e.Y);
                r.Draw();
                OperaStep.AddStep(r);
                break;

            case CASE.ellipse:
                Ellipse ee = new Ellipse();
                ee.InitEllipse(pictureBox, color, x0, y0, e.X, e.Y);
                ee.Draw();
                OperaStep.AddStep(ee);
                break;

            case CASE.rectangle:
                Rect re = new Rect();
                re.InitRectangle(pictureBox, color, x0, y0, e.X, e.Y);
                re.Draw();
                OperaStep.AddStep(re);
                break;

            case CASE.pencil:
                break;

            case CASE.clip:
                OperaStep.ClipAllShapes(Math.Min(x0, e.X), Math.Min(y0, e.Y), Math.Max(x0, e.X), Math.Max(y0, e.Y));
                RefreshPictureBox();
                break;

            case CASE.selected:
                break;

            case CASE.polygon:
                pn.AddPoint(e.X, e.Y);
                pn.UpdateEdge(e.X, e.Y);
                pn.Draw();
                break;

            case CASE.Bezier:
                bz.AddControlPoint(e.X, e.Y);
                bz.UpdateEdge(e.X, e.Y);
                bz.Draw();
                break;

            case CASE.Bsplines:
                bs.AddControlPoint(e.X, e.Y);
                bs.UpdateEdge(e.X, e.Y);
                bs.Draw();
                break;

            case CASE.Panning:
                selectedShape.Setdxdy(e.X - x0, e.Y - y0);
                if (selectedShape.GetShapeType() != ShapeType.polygon)
                {
                    selectedShape.UpdatePoint();
                }
                else
                {
                    ((Polygon)selectedShape).Updatedxdy();
                }
                selectedShape.Draw();
                CaseChange(CASE.selected);
                break;

            default:
                break;
            }
        }