private void pictureBox1_Paint(object sender, PaintEventArgs e)//可以删掉第一个刷新方法合并两种方法
{
try
{
//清屏
e.Graphics.Clear(Color.White);
//重绘
switch (MyGlo.update_function)
{
case 0: //全图显示刷新
Funcs.Update(e.Graphics, this.pictureBox1.Width, this.pictureBox1.Height);
Funcs.MouseClear();
break;
case 1: //移动刷新
Funcs.Update(e.Graphics, this.pictureBox1.Width, this.pictureBox1.Height, 1);
break;
}
//默认全图显示刷新
MyGlo.update_function = 0;
}
catch
{
MessageBox.Show("绘制图像时出错");
}
}
private void exportImageToolStripMenuItem_Click(object sender, EventArgs e)
{//导出
try
{
SaveFileDialog saveImageDialog = new SaveFileDialog();
saveImageDialog.Title = "Export image";
saveImageDialog.Filter = @"jpeg|*.jpg|bmp|*.bmp";
if (saveImageDialog.ShowDialog() == DialogResult.OK)
{
string fileName = saveImageDialog.FileName.ToString();
if (fileName != "" && fileName != null)
{
string fileExtName = fileName.Substring(fileName.LastIndexOf(".") + 1).ToString();
System.Drawing.Imaging.ImageFormat imgformat = null;
if (fileExtName != "")
{
switch (fileExtName)
{
case "jpg":
imgformat = System.Drawing.Imaging.ImageFormat.Jpeg;
break;
case "bmp":
imgformat = System.Drawing.Imaging.ImageFormat.Bmp;
break;
default:
imgformat = System.Drawing.Imaging.ImageFormat.Jpeg;
break;
}
Bitmap bmp = new Bitmap(this.pictureBox1.Width, this.pictureBox1.Height);
Graphics g = Graphics.FromImage(bmp);
g.Clear(Color.White);
Funcs.Update(g, this.pictureBox1.Width, this.pictureBox1.Height);
this.pictureBox1.Image = bmp;
bmp.Save(fileName, imgformat); //保存
MessageBox.Show("Save successfully ! ", "Reminder"); //提示保存成功
//bmp.Dispose();Bitmap赋值给PictureBox后，误对其进行了Dispose()的操作，在PictureBox Size改变时，重绘时导致异常，出现红叉。
}//if
}//if
}//if
}
catch
{
MessageBox.Show("导出错误");
}
}
private void pictureBox1_Paint(object sender, PaintEventArgs e)
{
//清屏
e.Graphics.Clear(Color.White);
//重绘
switch (MyGlo.update_function)
{
case 0: //全图显示刷新
Funcs.Update(e.Graphics, this.pictureBox1.Width, this.pictureBox1.Height);
Funcs.MouseClear();
break;
case 1: //移动刷新
Funcs.Update(e.Graphics, this.pictureBox1.Width, this.pictureBox1.Height, 1);
break;
}
//默认全图显示刷新
MyGlo.update_function = 0;
}
