public RuntimeResize()
{
TopBar = new RuntimeSquare();
LeftBar = new RuntimeSquare();
BottomBar = new RuntimeSquare();
RightBar = new RuntimeSquare();
Action = ResizeAction.Resize;
DifEvent = new ResizeDif(DifProc);
Q1 = new RuntimeCapture();
Q1.Cursor = Cursors.SizeNWSE;
Q2 = new RuntimeCapture();
Q2.Cursor = Cursors.SizeNESW;
Q3 = new RuntimeCapture();
Q3.Cursor = Cursors.SizeNWSE;
Q4 = new RuntimeCapture();
Q4.Cursor = Cursors.SizeNESW;
Q1.OnDif = DifEvent;
Q2.OnDif = DifEvent;
Q3.OnDif = DifEvent;
Q4.OnDif = DifEvent;
GridWidth = 100;
GridHeight = 100;
GridEnabled = false;
GridScale = 1;
}
private void DifProc(RuntimeCapture sender, int difx, int dify, bool finish, bool start, bool mouseup)
{
if (start)
{
return;
}
int newleft = 0;
int newtop = 0;
int newwidth = 0;
int newheight = 0;
bool dosetbounds = true;
bool alignleft = false;
bool aligntop = false;
bool alignbottom = false;
bool alignright = false;
if (sender == Q1)
{
newleft = FLeft + difx;
newwidth = FWidth - difx;
newtop = FTop + dify;
newheight = FHeight - dify;
alignleft = true;
aligntop = true;
}
if (sender == Q2)
{
newleft = FLeft;
newtop = FTop + dify;
newwidth = FWidth + difx;
newheight = FHeight - dify;
aligntop = true;
alignright = true;
}
if (sender == Q3)
{
newleft = FLeft;
newtop = FTop;
newwidth = FWidth + difx;
newheight = FHeight + dify;
alignright = true;
alignbottom = true;
}
if (sender == Q4)
{
newleft = FLeft + difx;
newtop = FTop;
newwidth = FWidth - difx;
newheight = FHeight + dify;
alignleft = true;
alignbottom = true;
}
if (newwidth < 0)
{
dosetbounds = false;
newleft = newleft - newwidth;
newwidth = -newwidth;
}
if (newheight < 0)
{
dosetbounds = false;
newtop = newtop + newheight;
newheight = -newheight;
}
if (dosetbounds)
{
// Align to grid
if (GridEnabled)
{
if (alignleft)
{
newleft = newleft - GridOffsetX;
int nleft = Twips.AlignToGridPixels(newleft, GridWidth, GridHeight, GridScale);
newwidth = newwidth + newleft - nleft;
newleft = nleft;
newleft = newleft + GridOffsetX;
}
if (aligntop)
{
newtop = newtop - GridOffsetY;
int ntop = Twips.AlignToGridPixels(newtop, GridWidth, GridHeight, GridScale);
newheight = newheight + newtop - ntop;
newtop = ntop;
newtop = newtop + GridOffsetY;
}
if (alignright)
{
newwidth = newwidth - GridOffsetX + newleft;
newwidth = Twips.AlignToGridPixels(newwidth, GridWidth, GridHeight, GridScale);
newwidth = newwidth + GridOffsetX - newleft;
}
if (alignbottom)
{
newheight = newheight - GridOffsetY + newtop;
newheight = Twips.AlignToGridPixels(newheight, GridWidth, GridHeight, GridScale);
newheight = newheight + GridOffsetY - newtop;
}
}
SetBounds(newleft, newtop, newwidth, newheight, finish);
if (mouseup)
{
if (OnNewBounds != null)
{
OnNewBounds(new Rectangle(newleft, newtop, newwidth, newheight));
}
}
}
}