/// <summary>
/// 显示画面
/// </summary>
/// <param name="style">false:显示:Line,false:显示:点</param>
public void Paint_Function(Laser_Style laserstyle)
{
try
{
if (Var.Length < 6300)
{
return;
}
}
catch (Exception)
{
//throw;
return;
}
int[] data = new int[Var.Length];
float length;
float theta;
float[] lengthX = new float[6300];
float[] lengthY = new float[6300];
//定义窗体大小
int halfWidth = this.Width / 2;
int halfHeight = this.Height / 2;
Console.WriteLine("Paint窗口的X坐标：" + halfWidth);
Console.WriteLine("Paint窗口的X坐标：" + halfHeight);
Console.WriteLine("接收到的数据长度 ：" + data.Length);
Graphics g = CreateGraphics();
for (int i = 0; i < data.Length; i++)
{
data[i] = (int)(Var[i] * addsd);
}
for (int i = 0; i < 6300; i++) //800 813
{
length = data[i];
theta = (float)(i * 4 / 70 + 90); //(float)((i / 3) - 45);
lengthX[i] = length * (float)(Math.Cos(Math.PI * theta / 180));
lengthY[i] = length * (float)(Math.Sin(Math.PI * theta / 180));
}
g.Clear(this.BackColor); //清除画面
Pen laser = new Pen(Color.Red, 1);
switch (laserstyle)
{
case Laser_Style.Point:
Point[] point = new Point[6300];
for (int i = 0; i < 6300; i++) //800 813
{
point[i].X = (int)(halfWidth + lengthX[i]);
point[i].Y = (int)(halfHeight - lengthY[i]);
}
g.DrawLines(laser, point);
break;
case Laser_Style.Line:
for (int i = 0; i < 6300; i++) //800 813 //下面是划线，有延时
{
g.DrawLine(laser, halfWidth, halfHeight, halfWidth + lengthX[i], halfHeight - lengthY[i]);
}
break;
default:
break;
}
}
private void pictureBox_MouseMove(Object sender, MouseEventArgs e)
{
if (dragNdrop)
{
this.pictureBox.Cursor = Cursors.SizeAll;
}
else
{
this.pictureBox.Cursor = Cursors.Cross;
}
if (drawMouse == false)
{
goto jump;// k phải đang dí chuột thì nhảy tới jump
}
x1 = e.X;
y1 = e.Y;
//g.Clear(Color.White);
drawing = new Bitmap(drawingList.ElementAt(drawingList.currentIndex));
//pictureBox.Image = drawingList.Last();
g = Graphics.FromImage(drawing);
//chọn pen
Pen pen = choosePen(e);
if (currentFillItem != fillType.NoFill)
//vẽ phía trong
{
Brush brush = chooseBrush(e);
brushShape(brush, x, y, x1, y1);
}
//Vẽ đường ngoài
switch (currentItem)
{
case item.Select:
{
if (dragNdrop)
{
Console.WriteLine("Selecting");
//this.pictureBox.Cursor = Cursors.SizeAll;
//tạo nét đứt xung quanh
//dashDraw(new Rectangle(selectedArea.X+ (x1 - x), selectedArea.Y + (y1 - y),selectedArea.Width-1,selectedArea.Height));
//xoá hình select trên hình hiện tại
Bitmap nullImage = new Bitmap(selectImage);
Graphics nullGraphics = Graphics.FromImage(nullImage);
nullGraphics.Clear(Color.White);
g.DrawImageUnscaled(nullImage, selectedArea.X, selectedArea.Y);
//vẽ hình select lên vị trí mới
g.DrawImageUnscaled(selectImage, selectedArea.X + (x1 - x), selectedArea.Y + (y1 - y));
//pictureBox.Image = drawing;
}
else
{
dashDraw(Rectangle1(x, y, x1, y1));
}
break;
}
case item.Pen:
{
//Pen pen = pen_properties(currentColor, currentWidth);
//g.DrawLine(p, x, y, x1, y1);
//x = x1; y = y1;
pointList.Add(new Point(x1, y1));
try
{
g.DrawLines(pen, pointList.ToArray());
//g.DrawCurve(pen, pointList.ToArray());
////g.DrawBeziers(pen, pointList.ToArray());
}
catch (Exception ex)
{
}
break;
}
case item.Eraser:
{
SolidBrush brush = new SolidBrush(Color.White);
rectangleList.Add(new Rectangle(new Point(x1, y1), new Size(currentWidth, currentWidth)));
g.FillRectangles(brush, rectangleList.ToArray());
break;
}
case item.Line:
{
g.DrawLine(pen, new Point(x, y), new Point(x1, y1));
//pictureBox1.CreateGraphics().DrawImageUnscaled(drawing, 0, 0);
break;
}
case item.Oval:
{
g.DrawEllipse(pen, x, y, x1 - x, y1 - y);
break;
}
case item.Rectangle:
{
g.DrawRectangle(pen, Rectangle1(x, y, x1, y1));
break;
}
case item.TriCan:
{
Point[] pList = new Point[3];
pList[0] = new Point((x + x1) / 2, y);
pList[1] = new Point(x, y1);
pList[2] = new Point(x1, y1);
g.DrawPolygon(pen, pList);
break;
}
case item.TriVuong:
{
Point[] pList = new Point[3];
pList[0] = new Point(x, y);
pList[1] = new Point(x, y1);
pList[2] = new Point(x1, y1);
g.DrawPolygon(pen, pList);
break;
}
case item.Diamond:
{
Point[] pList = new Point[4];
pList[0] = new Point((x + x1) / 2, y);
pList[1] = new Point(x, (y + y1) / 2);
pList[2] = new Point((x + x1) / 2, y1);
pList[3] = new Point(x1, (y + y1) / 2);
g.DrawPolygon(pen, pList);
break;
}
}
pictureBox.Image = drawing; // hiển thị
jump :;
}