private void CaptureForm_MouseUp(object sender, MouseEventArgs e)
{
isMouseDown = false;
this.lbMsg.Text = "";
Application.DoEvents();
User32Helper.GetCursorPos(ref downright);
Size size = new System.Drawing.Size(Math.Abs(downright.X - upperleft.X), Math.Abs(downright.Y - upperleft.Y));
this.Refresh();
Bitmap bmp = null;
if (upperleft.X < downright.X && upperleft.Y < downright.Y)//从左上往右下方拖动
{
bmp = ImageHelper.GetImage(upperleft, size);
}
else if (upperleft.X > downright.X && upperleft.Y > downright.Y) //从右下往左上方拖动
{
bmp = ImageHelper.GetImage(downright, size);
}
else if (upperleft.X < downright.X && upperleft.X > downright.Y)//从左下方往右上方拖动
{
bmp = ImageHelper.GetImage(new Point(upperleft.X, downright.Y), size);
}
else if (upperleft.X > downright.X && upperleft.Y < downright.Y)//从右上方往左下方拖动
{
bmp = ImageHelper.GetImage(new Point(downright.X, upperleft.Y), size);
}
SaveImage(bmp);
}
private void CaptureForm_MouseMove(object sender, MouseEventArgs e)
{
Point currentPoint = new Point(0, 0);
User32Helper.GetCursorPos(ref currentPoint);
Color c = (this.BackgroundImage as Bitmap).GetPixel(currentPoint.X, currentPoint.Y);
string msg = string.Format("R:{0} G:{1} B:{2}", c.R, c.G, c.B);
if (!isMouseDown)
{
this.lbMsg.Text = msg;
return;
}
msg = msg + " " + string.Format("选取的bmp大小{0}:{1}", Math.Abs(e.X - upperleft.X), Math.Abs(e.Y - upperleft.Y));
this.lbMsg.Text = msg;
int x_max;
int x_min;
int y_max;
int y_min;
if (e.X > upperleft.X)
{
x_max = e.X;
x_min = upperleft.X;
}
else
{
x_min = e.X;
x_max = upperleft.X;
}
if (e.Y > upperleft.Y)
{
y_max = e.Y;
y_min = upperleft.Y;
}
else
{
y_min = e.Y;
y_max = upperleft.Y;
}
int width = x_max - x_min;
int height = y_max - y_min;
this.Refresh();//清除上一次的痕迹
using (var g = this.CreateGraphics())
{
g.DrawRectangle(new Pen(new SolidBrush(Color.Blue)), new Rectangle(x_min - 1, y_min - 1, width + 1, height + 1));
}
}
private void Window_Loaded(object sender, RoutedEventArgs e)
{
var handle = new WindowInteropHelper(this).Handle;
if (User32Helper.RegisterHotKey(handle, id, User32Helper.KeyModifiers.Ctrl, Keys.B))
{
isReady = true;
this.lbMsg.Content = "按Ctrl+B开始截图";
}
else
{
isReady = false;
this.lbMsg.Content = "热键Ctrl+B被占用，热键截图功能无法使用！";
this.lbMsg.Foreground = new SolidColorBrush(Colors.Red);
}
var stream = Assembly.GetExecutingAssembly().GetManifestResourceStream("CaptureLikeQQ_WPF.Resources.Capture.ico");
this.Icon = ImageHelper.GetImage(stream);
}
private void CaptureForm_MouseDown(object sender, MouseEventArgs e)
{
this.Cursor = Cursors.Hand;
User32Helper.GetCursorPos(ref upperleft);
isMouseDown = true;
}
private void NotifiyIcon_MouseDoubleClick(object sender, System.Windows.Forms.MouseEventArgs e)
{
this.Show();
User32Helper.SetForegroundWindow(new WindowInteropHelper(this).Handle);
}
