Beispiel #1
0
        private void canvasPanel_MouseDown(object sender, MouseEventArgs e)
        {
            prevMouseLoc = new Point(e.X, e.Y);
            tempShape = new Shape(toolstrip_combobox.SelectedIndex, fillType, prevMouseLoc, prevMouseLoc, fillColor, lineColor, dashStyle, lineWidth);

            toolstrip_undo.Visible = true;
            undoToolStripMenuItem.Enabled = true;
            toolstrip_redo.Visible = false;
            redoToolStripMenuItem.Enabled = false;
            redoShapes = new List<Shape>();
            unsavedChanges = true;
        }
Beispiel #2
0
 private void canvasPanel_MouseUp(object sender, MouseEventArgs e)
 {
     if (prevMouseLoc.X != e.X && prevMouseLoc.Y != e.Y && tempShape != null){
         shapes.Add(tempShape);
         tempShape = null;
         unsavedChanges = true;
     }
 }
Beispiel #3
0
        private void drawShape(Graphics e, Shape shape)
        {
            Action drawRectangle = () =>
                {
                    Point[] points = new Point[4];
                    points[0] = new Point(shape.startPoint.X, shape.startPoint.Y);
                    points[1] = new Point(shape.endPoint.X, shape.startPoint.Y);
                    points[2] = new Point(shape.endPoint.X, shape.endPoint.Y);
                    points[3] = new Point(shape.startPoint.X, shape.endPoint.Y);
                    if (shape.getFill() == 1)
                    {
                        e.FillPolygon(shape.getSolidBrush(), points);
                    }
                    e.DrawPolygon(shape.getPen(), points);
                };

            Action drawEllipse = () =>
                {
                    Point endPoint = new Point(shape.endPoint.X - shape.startPoint.X, shape.endPoint.Y - shape.startPoint.Y);
                    if (shape.getFill() == 1)
                    {
                        e.FillEllipse(shape.getSolidBrush(), shape.startPoint.X, shape.startPoint.Y, endPoint.X, endPoint.Y);
                    }
                    e.DrawEllipse(shape.getPen(), shape.startPoint.X, shape.startPoint.Y, endPoint.X, endPoint.Y);
                };

            Action drawRightTriangle = () =>
                {
                    Point[] points = new Point[3];
                    points[0] = new Point(shape.startPoint.X, shape.startPoint.Y);
                    points[1] = new Point(shape.startPoint.X, shape.endPoint.Y);
                    points[2] = new Point(shape.endPoint.X, shape.endPoint.Y);
                    if (shape.getFill() == 1)
                    {
                        e.FillPolygon(shape.getSolidBrush(), points);
                    }
                    e.DrawPolygon(shape.getPen(), points);
                };

            Action drawDiamond = () =>
                {
                    Point[] points = new Point[4];
                    points[0] = new Point((shape.startPoint.X + shape.endPoint.X) / 2, shape.startPoint.Y);
                    points[1] = new Point(shape.endPoint.X, (shape.startPoint.Y + shape.endPoint.Y) / 2);
                    points[2] = new Point((shape.startPoint.X + shape.endPoint.X) / 2, shape.endPoint.Y);
                    points[3] = new Point(shape.startPoint.X, (shape.startPoint.Y + shape.endPoint.Y) / 2);
                    if (shape.getFill() == 1)
                    {
                        e.FillPolygon(shape.getSolidBrush(), points);
                    }
                    e.DrawPolygon(shape.getPen(), points);
                };

            Action drawIsocelesTriangle = () =>
                {
                    Point[] points = new Point[3];
                    points[0] = new Point((shape.startPoint.X + shape.endPoint.X) / 2, shape.startPoint.Y);
                    points[1] = new Point(shape.startPoint.X, shape.endPoint.Y);
                    points[2] = new Point(shape.endPoint.X, shape.endPoint.Y);
                    if (shape.getFill() == 1)
                    {
                        e.FillPolygon(shape.getSolidBrush(), points);
                    }
                    e.DrawPolygon(shape.getPen(), points);
                };

            Action drawHexagon = () =>
                {
                    Point[] points = new Point[6];
                    Point c = new Point(shape.startPoint.X + ((shape.endPoint.X - shape.startPoint.X) / 2), shape.startPoint.Y + ((shape.endPoint.Y - shape.startPoint.Y) / 2));
                    double a = Math.PI * 2 / 6;
                    double rotate = Math.PI * 2 / 12;
                    double r = Math.Abs(shape.endPoint.X - shape.startPoint.X) / 2;
                    points[0] = new Point(c.X + (int)(Math.Sin(a * 0 + rotate) * r), c.Y + (int)(Math.Cos(a * 0 + rotate) * r));
                    points[1] = new Point(c.X + (int)(Math.Sin(a * 1 + rotate) * r), c.Y + (int)(Math.Cos(a * 1 + rotate) * r));
                    points[2] = new Point(c.X + (int)(Math.Sin(a * 2 + rotate) * r), c.Y + (int)(Math.Cos(a * 2 + rotate) * r));
                    points[3] = new Point(c.X + (int)(Math.Sin(a * 3 + rotate) * r), c.Y + (int)(Math.Cos(a * 3 + rotate) * r));
                    points[4] = new Point(c.X + (int)(Math.Sin(a * 4 + rotate) * r), c.Y + (int)(Math.Cos(a * 4 + rotate) * r));
                    points[5] = new Point(c.X + (int)(Math.Sin(a * 5 + rotate) * r), c.Y + (int)(Math.Cos(a * 5 + rotate) * r));
                    if (shape.getFill() == 1)
                    {
                        e.FillPolygon(shape.getSolidBrush(), points);
                    }
                    e.DrawPolygon(shape.getPen(), points);
                };

            Action drawPentagon = () =>
                {
                    Point[] points = new Point[5];
                    Point c = new Point(shape.startPoint.X + ((shape.endPoint.X - shape.startPoint.X) / 2), shape.startPoint.Y + ((shape.endPoint.Y - shape.startPoint.Y) / 2));
                    double a = Math.PI * 2 / 5;
                    double rotate = Math.PI * 2 / 10;
                    double r = Math.Abs(shape.endPoint.X - shape.startPoint.X) / 2;
                    points[0] = new Point(c.X + (int)(Math.Sin(a * 0 + rotate) * r), c.Y + (int)(Math.Cos(a * 0 + rotate) * r));
                    points[1] = new Point(c.X + (int)(Math.Sin(a * 1 + rotate) * r), c.Y + (int)(Math.Cos(a * 1 + rotate) * r));
                    points[2] = new Point(c.X + (int)(Math.Sin(a * 2 + rotate) * r), c.Y + (int)(Math.Cos(a * 2 + rotate) * r));
                    points[3] = new Point(c.X + (int)(Math.Sin(a * 3 + rotate) * r), c.Y + (int)(Math.Cos(a * 3 + rotate) * r));
                    points[4] = new Point(c.X + (int)(Math.Sin(a * 4 + rotate) * r), c.Y + (int)(Math.Cos(a * 4 + rotate) * r));
                    if (shape.getFill() == 1)
                    {
                        e.FillPolygon(shape.getSolidBrush(), points);
                    }
                    e.DrawPolygon(shape.getPen(), points);
                };

            switch (shape.getType())
            {
                case 0:
                    drawRectangle(); break;
                case 1:
                    drawEllipse(); break;
                case 2:
                    drawRightTriangle(); break;
                case 3:
                    drawDiamond(); break;
                case 4:
                    drawIsocelesTriangle(); break;
                case 5:
                    drawHexagon(); break;
                case 6:
                    drawPentagon(); break;
            }
        }