#include <CtrlLib/CtrlLib.h>

using namespace Upp;

struct TestResize : public TopWindow
{
	TestResize() {
		AddFrame(status);
		AddFrame(sb);
		Sizeable().Zoomable();
		sb.Set(0, 2, 10);
	}

	StatusBar status;
	HScrollBar sb;	
	
};


GUI_APP_MAIN
{
	TestResize().Run();
}

http://lundman.net/ftp/Ultimate++.OsX.UB-701.dmg

void Draw::DrawEllipseOp(const Rect& r, Color color, int pen, Color pencolor)
{
	DrawLock __;
	SetLineStyle(pen);
	if(!IsNull(color)) {
		SetForeground(color);
		XFillArc(Xdisplay, dw, gc, r.left + actual_offset.x, r.top + actual_offset.y,
			r.Width() - 1, r.Height() - 1, 0, 360 * 64);
	}
	if(!IsNull(pencolor) && !IsNull(pen)) {
		SetForeground(pencolor);
		XDrawArc(Xdisplay, dw, gc, r.left + actual_offset.x, r.top + actual_offset.y,
			r.Width() - 1, r.Height() - 1, 0, 360 * 64);
	}
}

.......


void Draw::SetLineStyle(int width)
{
	DrawLock __;
	if(IsDrawing()) return;
	if(width == linewidth) return;
	linewidth = width;
	if(IsNull(width))
		width = 1;
	if(width < PEN_SOLID) {
		static const char dash[] = { 18, 6 };
		static const char dot[] = { 3, 3 };
		static const char dashdot[] = { 9, 6, 3, 6 };
		static const char dashdotdot[] = { 9, 3, 3, 3, 3, 3 };
		static struct {
			const char *dash;
			int   len;
		} ds[] = {
			dash, __countof(dash),
			dot, __countof(dot),
			dashdot, __countof(dashdot),
			dashdotdot, __countof(dashdotdot)
		};
		int i = -(width - PEN_DASH);
		ASSERT(i >= 0 && i < 4);
		XSetDashes(Xdisplay, gc, 0, ds[i].dash, ds[i].len);
	}
	XSetLineAttributes(Xdisplay, gc, max(width, 1),
	                   width < PEN_SOLID ? LineOnOffDash : LineSolid, CapRound, JoinRound);
}

void IconDes::SmoothRescale()
{
	if(!IsCurrent())
		return;
	WithRescaleLayout<TopWindow> dlg;
	CtrlLayoutOKCancel(dlg, "Rescale");
	dlg.cx <<= dlg.cy <<= dlg.Breaker();
	Slot& c = Current();
	BeginTransform();
	Image bk = IsPasting() ? c.paste_image : c.image;
	dlg.cx <<= bk.GetWidth();
	dlg.cy <<= bk.GetHeight();
	dlg.keep <<= true;
	for(;;) {
		Size sz(minmax((int)~dlg.cx, 1, 9999), minmax((int)~dlg.cy, 1, 9999));
		if(IsPasting()) {
			c.paste_image = Rescale(bk, sz);
			MakePaste();
		}
		else {
			c.image = Rescale(bk, sz);
			Refresh();
		}
		SyncImage();
		SyncShow();
		switch(dlg.Run()) {
		case IDCANCEL:
			if(IsPasting()) {
				c.paste_image = bk;
				MakePaste();
			}
			else {
				c.image = bk;
				Refresh();
			}
			SyncImage();
			SyncShow();
			return;
		case IDOK:
			return;
		}
		if(dlg.keep) {
			if(dlg.cx.HasFocus() && bk.GetWidth() > 0)
				dlg.cy <<= (int)~dlg.cx * bk.GetHeight() / bk.GetWidth();
			if(dlg.cy.HasFocus() && bk.GetHeight() > 0)
				dlg.cx <<= (int)~dlg.cy * bk.GetWidth() / bk.GetHeight();
		}
	}
}