private void b1_MouseUp(object sender, MouseEventArgs e)
{
flag = false;
button4.Location = new Point(button1.Location.X / 2, button1.Location.Y);
button3.Location = new Point(button1.Location.X, button1.Location.Y / 2);
pictureBox1.Size = new Size((button1.Location.X - panel1.AutoScrollPosition.X), (button1.Location.Y - panel1.AutoScrollPosition.Y));
//dt.aim = this.pictureBox1.CreateGraphics();
bmp = new Bitmap(pictureBox1.Width, pictureBox1.Height);
Graphics g = Graphics.FromImage(bmp);
g.FillRectangle(new SolidBrush(pictureBox1.BackColor), new Rectangle(0, 0, pictureBox1.Width, pictureBox1.Height));
g.DrawImage(dt.O, 0, 0);
g.Dispose();
dt = new DrawTools(pictureBox1.CreateGraphics(), bmp);
}
private void 打开ToolStripMenuItem_Click(object sender, EventArgs e)//设置背景
{
bmp = new Bitmap(pictureBox1.Width, pictureBox1.Height);
Graphics g = Graphics.FromImage(bmp); //画板
OpenFileDialog file = new OpenFileDialog(); //打开文件
file.ShowDialog();
Bitmap pic = new Bitmap(file.FileName);//所选文件
g.DrawImage(pic, 0, 0);
g.Dispose();
dt = new DrawTools(pictureBox1.CreateGraphics(), bmp); //实例化dt
dt.aim.DrawImage(bmp, 0, 0); //将所选图片画到目标滑板上
dt.aim.Dispose();
}
private void Drawing_Load(object sender, EventArgs e)
{
bmp = new Bitmap(pictureBox1.Width, pictureBox1.Height);
Graphics g = Graphics.FromImage(bmp);
g.FillRectangle(new SolidBrush(pictureBox1.BackColor), new Rectangle(0, 0, pictureBox1.Width, pictureBox1.Height));
g.Dispose();
dt = new DrawTools(pictureBox1.CreateGraphics(), bmp);
pictureBox1.MouseDown += new MouseEventHandler(this.pic_MouseDown);
pictureBox1.MouseMove += new MouseEventHandler(this.pic_MouseMove);
pictureBox1.MouseUp += new MouseEventHandler(this.pic_MouseUp);
pictureBox1.MouseWheel += new MouseEventHandler(this.pic_MouseWheel);
button1.MouseDown += new MouseEventHandler(this.b1_MouseDown);
button1.MouseMove += new MouseEventHandler(this.b1_MouseMove);
button1.MouseUp += new MouseEventHandler(this.b1_MouseUp);
button3.MouseDown += new MouseEventHandler(this.b3_MouseDown);
button3.MouseMove += new MouseEventHandler(this.b3_MouseMove);
button3.MouseUp += new MouseEventHandler(this.b3_MouseUp);
button4.MouseDown += new MouseEventHandler(this.b4_MouseDown);
button4.MouseMove += new MouseEventHandler(this.b4_MouseMove);
button4.MouseUp += new MouseEventHandler(this.b4_MouseUp);
}