private void VE_MouseDown(object sender, MouseEventArgs e)
{
VE.Refresh();
start = e.Location;
pre = start;
selected = false;
paintting = true;
Check_Mouse = true;
}
//Vẽ tự do
private void VE_MouseMove(object sender, MouseEventArgs e)
{
end = e.Location;
Bitmap bmp;
if (VE.Image == null)
{
bmp = new Bitmap(VE.Width, VE.Height);
}
else
{
bmp = (Bitmap)VE.Image.Clone();
}
if (paintting)
{
if (specialkey == 0)
{
switch (control)
{
case 1:
VE.Refresh();
break;
case 2:
VE.Refresh();
break;
case 3:
VE.Image = bmp;
VE.Refresh();
break;
case 4:
VE.Refresh();
break;
case 5:
VE.Refresh();
break;
case 6:
VE.Refresh();
break;
case 10: // Freedom draw
LineDraw(bmp, pre, end, color);
pre = end;
backup.Add(VE.Image);
VE.Image = bmp;
break;
case 11: // selection
VE.Refresh();
break;
}
}
else
{
switch (control)
{
case 1:
LineDraw(bmp, start, end, color);
VE.Image = bmp;
break;
case 2:
CircleMidpointDraw(bmp, start, end, color);
VE.Image = bmp;
break;
case 3:
VeTamGiacVuong(bmp, start, end, color);
VE.Image = bmp;
break;
case 4:
VeElip(bmp, start, end, color);
VE.Image = bmp;
break;
case 5:
VeHinhChuNhat(bmp, start, end, color);
VE.Image = bmp;
break;
case 6:
VE.Refresh();
break;
case 10: // Freedom draw
LineDraw(bmp, pre, end, color);
pre = end;
backup.Add(VE.Image);
VE.Image = bmp;
break;
case 11: // selection
VE.Refresh();
break;
}
}
}
}
