private void drawGrid_MouseMove(object sender, MouseEventArgs e)
{
System.Windows.Point currnetPosition = e.GetPosition(this.Im_Image);
if (e.MouseDevice.LeftButton == MouseButtonState.Pressed)
{
isdraw = true;
if (currentRect != null)
{
if (currnetPosition.X > Im_Image.Width || currnetPosition.X < 0)
{
currnetPosition.X = currnetPosition.X < 0 ? 0 : Im_Image.Width;
}
if (currnetPosition.Y > Im_Image.Height || currnetPosition.Y < 0)
{
currnetPosition.Y = currnetPosition.Y < 0 ? 0 : Im_Image.Height;
}
double left = prePosition.X;
double top = prePosition.Y;
if (prePosition.X > currnetPosition.X)
{
left = currnetPosition.X;
}
if (prePosition.Y > currnetPosition.Y)
{
top = currnetPosition.Y;
}
currentRect.Margin = new Thickness(left, top, 0, 0);
currentRect.Width = Math.Abs(prePosition.X - currnetPosition.X);
currentRect.Height = Math.Abs(prePosition.Y - currnetPosition.Y);
}
}
else
{
RectListView rl = lv_rectlist.SelectedItem as RectListView;
if (rl == null)
{
return;
}
if (move || rl.SPosX - rl.W / 2 < e.GetPosition(Im_Image).X&& rl.SPosX + rl.W / 2 > e.GetPosition(Im_Image).X&&
rl.SPosY - rl.H / 2 < e.GetPosition(Im_Image).Y&& rl.SPosY + rl.H / 2 > e.GetPosition(Im_Image).Y)
{
Cursor_Hand();
if (e.MouseDevice.MiddleButton == MouseButtonState.Pressed)
{
move = true;
Rectlist[lv_rectlist.SelectedIndex].Margin = new Thickness(e.GetPosition(Im_Image).X + (rl.SPosX - rl.W / 2) - rl.SPosX, e.GetPosition(Im_Image).Y + (rl.SPosY - rl.H / 2) - rl.SPosY, rl.W, rl.H);
}
}
else
{
Cursor_Cross();
}
}
}
private void lv_rectlist_SelectionChanged(object sender, SelectionChangedEventArgs e)
{
RectListView rl = ((ListView)sender).SelectedItem as RectListView;
if (rl == null)
{
return;
}
foreach (var rect in Rectlist)
{
rect.Stroke = new SolidColorBrush(Colors.DarkGreen);
}
Rectlist[lv_rectlist.SelectedIndex].Stroke = new SolidColorBrush(Colors.Aqua);
}
