public void GivenInvalidDevice_WhenSetImagePositionAndSize_ThenResultsIsFalse()
{
using (var device = CreateInvalidDevice())
{
var posAndSize = new PositionAndSize(32, 64, 640, 480);
Assert.IsFalse(device.SetImagePositionAndSize(posAndSize));
}
}
public void ReadOneImage(FourCCHeader fcc)
{
PositionAndSize ps = new PositionAndSize();
ps.bytes = fcc.bytes;
ps.position = mBr.BaseStream.Position;
mImagePos.Add(ps);
mBr.BaseStream.Seek(fcc.bytes, SeekOrigin.Current);
}
public void GivenDevice_WhenSetPositionAndSize_ThenGetPositionAndSizeMatch()
{
using (var device = CreateDevice())
{
var posAndSizeBefore = new PositionAndSize(32, 64, 640, 480);
var result = device.SetImagePositionAndSize(posAndSizeBefore);
Assert.IsTrue(result);
var posAndSizeAfter = device.GetImagePositionAndSize();
Assert.AreEqual(posAndSizeBefore, posAndSizeAfter);
}
}
public bool SetImagePositionAndSize(PositionAndSize value)
{
if (value == null)
{
throw new ArgumentNullException(nameof(value));
}
if (!_rs232Device.Enabled)
{
return(false);
}
string pattern = $@"^Ximg({_patternNumber})[*]({_patternNumber})[*]({_patternNumber})[*]({_patternNumber})$";
var result = _rs232Device.WriteWithResponse($"{_cmdEsc}{value.HPos}*{value.VPos}*{value.HSize}*{value.VSize}XIMG{_cmdCr}", pattern);
return(result != null);
}
