private void save_image_Click(object sender, EventArgs e) //保存图形
{
if (pictureBox1.BackgroundImage == null)
{
status_text("图形窗口无图形，保存（.dxf）失败", Color.Red); return;
}
SaveFileDialog svf = new SaveFileDialog();
svf.Filter = "(*.dxf)|*.dxf";
DialogResult ok_cancel = svf.ShowDialog();
if (ok_cancel == DialogResult.OK)
{
string dxf_path = svf.FileName;
if (File.Exists(dxf_path)) //若同文件名文件已经存在，则删除
{
File.Delete(dxf_path);
}
DRAW draw = new DRAW();
if (checked_status == 0)
{
draw.save_dxf(dxf_path, all_rangeX, all_rangeY, shp1, shp2);
}
if (checked_status == 1)
{
draw.save_dxf(dxf_path, all_rangeX, all_rangeY, shp1, new shpfile());
}
if (checked_status == 2)
{
draw.save_dxf(dxf_path, all_rangeX, all_rangeY, new shpfile(), shp2);
}
status_text("图形保存（.dxf）成功", Color.Black);
}
}
private void 绘制图形_Click(object sender, EventArgs e) //绘制两个.shp文件的信息
{
try
{
if (shp1.line.Count == 0 && shp2.line.Count == 0)
{
status_text("请确保有图层信息，否则无法进行绘制！", Color.Red);
}
DRAW draw = new DRAW();
Bitmap bmp;
if (checked_status == 0)
{
bmp = draw.get_picture(all_rangeX, all_rangeY, shp1, shp2); //得到画布
pictureBox1.BackgroundImage = bmp; //得到图片
}
if (checked_status == 1)
{
bmp = draw.get_picture(all_rangeX, all_rangeY, shp1, new shpfile()); //得到画布
pictureBox1.BackgroundImage = bmp; //得到图片
}
if (checked_status == 2)
{
bmp = draw.get_picture(all_rangeX, all_rangeY, new shpfile(), shp2); //得到画布
pictureBox1.BackgroundImage = bmp; //得到图片
}
pictureBox1.BackgroundImageLayout = ImageLayout.Stretch;
panel1.Controls.Add(pictureBox1);
image_show.BringToFront();
status_text("图形绘制成功并显示", Color.Black);
}
catch { status_text("请确保有图层信息，否则无法进行绘制！", Color.Red); }
}