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begin
FPointRec.RightButton.Left:=FPointRec.RightButton.Left+offsetX;
FPointRec.RightButton.Top:=FPointRec.RightButton.Top+offsetY;
end
else begin
MoveX:=MoveX+offsetX;
MoveY:=MoveY+offsetY;
if Abs(moveX)>=FMoveStep then
begin
FPointRec.RightButton.Left:=FPointRec.RightButton.Left+moveX;
moveX:=0;
end;
if Abs(moveY)>=FMoveStep then
begin
FPointRec.RightButton.Top:=FPointRec.RightButton.Top+moveY;
moveY:=0;
end;
end;
FPointRec.RightButton.PrevP:=FPointRec.RightButton.NextP;
AlignRightBottom;
end;
//对齐点
procedure TDragClass.AlignLeftMid;
begin
FPointRec.LeftTop.Left:=FPointRec.LeftMid.Left;
FPointRec.LeftBottom.Left:=FPointRec.LeftMid.Left;
FPointRec.TopMid.Top:=FPointRec.LeftTop.Top;
FPointRec.TopMid.Left:=
(FPointRec.RightTop.Left+FPointRec.LeftTop.Left) div 2;
FPointRec.ButtonMid.Top:=FPointrec.LeftBottom.Top;
FPointRec.ButtonMid.Left:=
(FPointRec.LeftBottom.Left+FPointRec.RightButton.Left) div 2;
end;
//左中点
procedure TDragClass.MoveLeftMidPoint;
var offsetX:Integer;
begin
GetCursorPos(FPointRec.LeftMid.NextP);
offsetX:=FPointRec.LeftMid.NextP.X-FPointRec.LeftMid.PrevP.X;
if not FisMoveStep then
begin
FPointRec.LeftMid.Left:=FPointRec.LeftMid.Left+offsetX;
end
else begin
MoveX:=MoveX+offsetX;
if Abs(moveX)>=FMoveStep then
begin
FPointRec.LeftMid.Left:=FPointRec.LeftMid.Left+moveX;
moveX:=0;
end;
end;
FPointRec.LeftMid.PrevP:=FPointRec.LeftMid.NextP;
AlignLeftMid;
end;
//对齐点
procedure TDragClass.AlignTopMid;
begin
FPointRec.LeftTop.Top:=FPointRec.TopMid.Top;
FPointRec.RightTop.Top:=FPointRec.TopMid.Top;
FPointRec.TopMid.Top:=FPointRec.LeftTop.Top;
FPointRec.LeftMid.Left:=FPointRec.LeftTop.Left;
FPointRec.LeftMid.Top:=
(FPointRec.LeftBottom.Top+FPointRec.LeftTop.Top) div 2;
FPointRec.RightMid.Left:=FPointRec.RightTop.Left;
FPointRec.RightMid.Top:=
(FPointRec.RightTop.Top+FPointRec.RightButton.Top) div 2;
end;
//顶中点
procedure TDragClass.MoveTopMidPoint;
var offsetY:Integer;
begin
GetCursorPos(FPointRec.TopMid.NextP);
offSetY:=FPointRec.TopMid.NextP.Y-FPointRec.TopMid.PrevP.Y;
if not FisMoveStep then
begin
FPointRec.TopMid.Top:=FPointRec.TopMid.Top+offsetY;
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