public void FindDifferences(bool hotRegionScan, Rectangle rect)
{
Bitmap nBit = ScreenCaptureHelper.CaptureNoCursor();
if (!hotRegionScan)
{
nBit = ScreenCaptureHelper.SizeImage(nBit, rect.Width, rect.Height);
}
if (_m_Oldbmp.Height != nBit.Height ||
_m_Oldbmp.Width != nBit.Width)
{
_m_Oldbmp.Dispose();
_m_Oldbmp = new Bitmap(nBit.Width, nBit.Height);
}
int newBitHeight = nBit.Height / _row;
int newBitWidth = nBit.Width / _column;
//余
int surplusHeight = nBit.Height % _row;
int surplusWidth = nBit.Width % _column;
List <byte> Buffer = new List <byte>();
try
{
int y = 0;
for (int i = 0; i < _row; i++)
{
int x = 0;
for (int j = 0; j < _column; j++)
{
//计算是否撞热区域
int hotRegionX = rect.X + rect.Width;
int hotRegionY = rect.Y + rect.Height;
bool result = x >= (rect.X - newBitWidth) && x <= hotRegionX && y >= (rect.Y - newBitHeight) && y <= hotRegionY;
if (result || !hotRegionScan)
{
int sw = 0;
int sh = 0;
if ((i + 1) == _row)
{
sh = surplusHeight;
}
if ((j + 1) == _column)
{
sw = surplusWidth;
}
int cloneWidth = newBitWidth + sw;
int cloneHeight = newBitHeight + sh;
Bitmap m_new = nBit.Clone(
new Rectangle(x, y, cloneWidth, cloneHeight),
_format);
Bitmap m_old = _m_Oldbmp.Clone(
new Rectangle(x, y, cloneWidth, cloneHeight),
_format);
bool isEqually = BitmapComprae(m_new, m_old);
bool isHotRectChanged = hotRegionScan ? (rect.X != _clientHotRegion.X ||
rect.Y != _clientHotRegion.Y ||
rect.Width != _clientHotRegion.Width ||
rect.Height != _clientHotRegion.Height) : false;
if (isEqually || isHotRectChanged)
{
using (MemoryStream ms = new MemoryStream())
{
m_new.Save(ms, ImageFormat.Jpeg);
var fragments = new Fragment[] {
new Fragment()
{
X = x,
Y = y,
Height = cloneHeight,
Width = cloneWidth,
FragmentData = ms.ToArray()
}
};
this.OnDifferencesNotice?.Invoke(fragments, DifferStatus.NEXTSCREEN);
}
}
else
{
m_old.Dispose();
}
}
x += newBitWidth;
}
y += newBitHeight;
}
}
catch { }
_clientHotRegion = rect;
this.OnDifferencesNotice?.Invoke(null, DifferStatus.COMPLETE);
if (_m_Oldbmp != null)
{
_m_Oldbmp.Dispose();
}
_m_Oldbmp = nBit;
}
public ScreenSpy()
{
var map = ScreenCaptureHelper.CaptureNoCursor();
_m_Oldbmp = new Bitmap(map.Width, map.Height);
}