private void UpdateFormPositionOnUIThread()
{
try
{
var posX = _configManager.GetProperty <long>("behaviour.frame.chat.position.x");
var posY = _configManager.GetProperty <long>("behaviour.frame.chat.position.y");
var width = _configManager.GetProperty <long>("behaviour.frame.chat.size.width");
var height = _configManager.GetProperty <long>("behaviour.frame.chat.size.height");
var location = new System.Drawing.Point((int)posX, (int)posY);
var size = new System.Drawing.Size((int)width, (int)height);
if (!IsFrameOnScreens(new System.Drawing.Rectangle(location, size)))
{ // location and size invalid, fallback to default location
logger.Info("Overlay off screen, reseting position and size");
ResetFrameToDefaultLocation();
return;
}
if (!location.Equals(_overlay.Location))
{
_overlay.Location = location;
}
if (!size.Equals(_overlay.Size))
{
_overlay.Size = size;
}
}
catch (Exception ex)
{
logger.Warn(ex);
}
}
public override bool Equals(object obj)
{
bool result = false;
if (obj is VectorPoint)
{
VectorPoint temp = (VectorPoint)obj;
result = (firstPoint.Equals(temp.FirstPoint) && secondPoint.Equals(temp.SecondPoint));
}
return(result);
}
private async void MouseUp(object sender, MouseEventArgs e)
{
if (_isMouseDown && !_mouseSecondPoint.Equals(_mouseFirstPoint))
{
_mouseSecondPoint = e.Location;
if (_cancellationTokenSource.Token.IsCancellationRequested)
{
return;
}
await SendCopyCommandAsync();
_isMouseDown = false;
}
}
private void EndMoveShapes(DragCompletedEventArgs e)
{
System.Drawing.Point NewMousePos = System.Windows.Forms.Cursor.Position;
if (NewMousePos.Equals(OldMousePos))
{
IShape shape = getShapeFromElement(e.Source);
bool clearSelection = !Keyboard.IsKeyDown(Key.LeftShift);
SelectShape(shape, clearSelection);
}
else
{
double offsetX = NewMousePos.X - OldMousePos.X;
double offsetY = NewMousePos.Y - OldMousePos.Y;
new ShapeMoveCommand(Selected, offsetX, offsetY).Add();
}
}
private async void MouseUp(object sender, MouseEventArgs e)
{
await Task.Run(async() =>
{
if (isMouseDown && !mouseSecondPoint.Equals(mouseFirstPoint))
{
mouseSecondPoint = e.Location;
if (cancellationTokenSource.Token.IsCancellationRequested)
{
return;
}
await SendCopyCommandAsync();
isMouseDown = false;
}
});
}
/// <summary>
/// 对若干条线段进行矩形区域剪切处理
/// </summary>
/// <remarks>本函数修改点数组,使之包含在矩形区域中,若线段不在矩形区域中,
/// 则设置起点和终点坐标为( int.MinValue , int.MinValue )</remarks>
/// <param name="ClipRectangle">剪切矩形</param>
/// <param name="Lines">线段起点和终点的坐标</param>
public static void RectangleClipLines(
System.Drawing.Rectangle ClipRectangle,
System.Drawing.Point[] LinesPoints)
{
if (ClipRectangle.IsEmpty)
{
throw new System.ArgumentException("ClipRectangle is Empty", "ClipRectangle");
}
if (LinesPoints == null)
{
throw new System.ArgumentNullException("LinesPoints");
}
if (LinesPoints.Length == 0)
{
throw new System.ArgumentException("LinesPoints is empty", "LinesPoints");
}
// 点数组必须是二的倍数
if ((LinesPoints.Length % 2) != 0)
{
throw new System.ArgumentException("LinesPoints is error", "LinesPoints");
}
System.Drawing.Point BlankPoint = new System.Drawing.Point(int.MinValue, int.MinValue);
int left = ClipRectangle.Left;
int top = ClipRectangle.Top;
int right = ClipRectangle.Right;
int bottom = ClipRectangle.Bottom;
for (int iCount = 0; iCount < LinesPoints.Length; iCount += 2)
{
System.Drawing.Point p1 = LinesPoints[iCount];
System.Drawing.Point p2 = LinesPoints[iCount + 1];
bool c1 = ClipRectangle.Contains(p1);
// 若两点重合
if (p1.Equals(p2))
{
if (c1 == false)
{
LinesPoints[iCount] = BlankPoint;
LinesPoints[iCount + 1] = BlankPoint;
}
continue;
}
bool c2 = ClipRectangle.Contains(p2);
// 两个端点都在矩形内部则不需要处理
if (c1 && c2)
{
continue;
}
if (p1.X == p2.X)
{
// 垂直线
if (p1.X >= left && p1.X <= right)
{
LinesPoints[iCount].Y = FixToRange(p1.Y, top, bottom);
LinesPoints[iCount + 1].Y = FixToRange(p2.Y, top, bottom);
}
else
{
LinesPoints[iCount] = BlankPoint;
LinesPoints[iCount + 1] = BlankPoint;
}
}
else if (p1.Y == p2.Y)
{
// 水平线
if (p1.Y >= top && p1.Y <= bottom)
{
LinesPoints[iCount].X = FixToRange(p1.X, left, right);
LinesPoints[iCount + 1].X = FixToRange(p2.X, left, right);
}
else
{
LinesPoints[iCount] = BlankPoint;
LinesPoints[iCount + 1] = BlankPoint;
}
}
else
{
// 斜线
double[] ps = GetLineEquationParameter(p1.X, p1.Y, p2.X, p2.Y);
//int index = 0 ;
double a = ps[0];
double b = ps[1];
if (p1.X < left)
{
p1.X = left;
p1.Y = (int)(a * p1.X + b);
}
else if (p1.X > right)
{
p1.X = right;
p1.Y = (int)(a * p1.X + b);
}
if (p1.Y < top)
{
p1.Y = top;
p1.X = (int)((p1.Y - b) / a);
}
else if (p1.Y > bottom)
{
p1.Y = bottom;
p1.X = (int)((p1.Y - b) / a);
}
if (p2.X < left)
{
p2.X = left;
p2.Y = (int)(a * p2.X + b);
}
else if (p2.X > right)
{
p2.X = right;
p2.Y = (int)(a * p2.X + b);
}
if (p2.Y < top)
{
p2.Y = top;
p2.X = (int)((p2.Y - b) / a);
}
else if (p2.Y > bottom)
{
p2.Y = bottom;
p2.X = (int)((p2.Y - b) / a);
}
bool flag = false;
if (p1.X >= left && p1.X <= right)
{
if (p1.Y >= top && p1.Y <= bottom)
{
if (p2.X >= left && p2.X <= right)
{
if (p2.Y >= top && p2.Y <= bottom)
{
flag = true;
}
}
}
}
if (flag)
{
LinesPoints[iCount] = p1;
LinesPoints[iCount + 1] = p2;
}
else
{
LinesPoints[iCount] = BlankPoint;
LinesPoints[iCount + 1] = BlankPoint;
}
}
}//for( int iCount = 0 ; iCount < LinesPoints.Length ; iCount += 2 )
}