/// <returns>0 Cancel, 1 OK, 2 Retry.</returns>
public int Show(Bitmap img, ICFlags flags, RECT r)
{
_img = img;
_flags = flags;
_cursor = MouseCursor.Load(ResourceUtil.GetBytes("<Au>resources/red_cross_cursor.cur"), 32);
_dpi = screen.primary.Dpi;
_w = WndUtil.CreateWindow(_WndProc, true, "#32770", "Au.uiimage.CaptureUI", WS.POPUP | WS.VISIBLE, WSE.TOOLWINDOW | WSE.TOPMOST, r.left, r.top, r.Width, r.Height);
_w.ActivateL();
try {
while (Api.GetMessage(out var m) > 0 && m.message != Api.WM_APP)
{
switch (m.message)
{
case Api.WM_KEYDOWN when !_capturing:
switch ((KKey)(int)m.wParam)
{
case KKey.Escape: return(0);
case KKey.F3: return(2);
}
break;
case Api.WM_RBUTTONUP when m.hwnd == _w:
switch (popupMenu.showSimple("1 Retry\tF3|2 Cancel\tEsc", owner: _w))
{
case 1: return(2);
case 2: return(0);
}
break;
}
Api.DispatchMessage(m);
}
}
finally {
var w = _w; _w = default;
Api.DestroyWindow(w);
}
return(_res);
}
/// <summary>
/// Creates image from a user-selected area of screen pixels. Or gets single pixel color, or just rectangle.
/// Returns false if cancelled.
/// </summary>
/// <param name="result">Receives results.</param>
/// <param name="flags"></param>
/// <param name="owner">Owner window. Temporarily minimizes it.</param>
/// <remarks>
/// Gets all screen pixels and shows in a full-screen topmost window, where the user can select an area.
/// </remarks>
public static bool captureUI(out ICResult result, ICFlags flags = 0, AnyWnd owner = default)
{
result = default;
switch (flags & (ICFlags.Image | ICFlags.Color | ICFlags.Rectangle))
{
case 0:
case ICFlags.Image:
case ICFlags.Color:
case ICFlags.Rectangle: break;
default: throw new ArgumentException();
}
wnd wTool = default;
try {
if (!owner.IsEmpty)
{
wTool = owner.Hwnd;
wTool.ShowMinimized(noAnimation: true);
using (new inputBlocker(BIEvents.MouseClicks)) Au.wait.doEvents(300); //time for animations
}
g1:
RECT rs = screen.virtualScreen;
//RECT rs = screen.primary.Rect; //for testing, to see Write output in other screen
Bitmap bs;
bool windowPixels = flags.HasAny(ICFlags.WindowDC | ICFlags.PrintWindow);
if (windowPixels)
{
if (!_WaitForHotkey("Press F3 to select window from mouse pointer. Or Esc."))
{
return(false);
}
var w = wnd.fromMouse(WXYFlags.NeedWindow);
var rc = w.ClientRect;
using var bw = capture(w, rc, flags.Has(ICFlags.PrintWindow));
bs = new Bitmap(rs.Width, rs.Height);
using var g = Graphics.FromImage(bs);
g.Clear(Color.Black);
w.MapClientToScreen(ref rc);
g.DrawImage(bw, rc.left - rs.left, rc.top - rs.top);
}
else
{
bs = capture(rs);
}
var cw = new _CapturingWindow();
switch (cw.Show(bs, flags, rs))
{
case 1: break;
case 2:
if (!windowPixels && !_WaitForHotkey("Press F3 when ready for new screenshot. Or Esc."))
{
return(false);
}
goto g1;
default: return(false);
}
var r = cw.Result;
r.w = _WindowFromRect(r);
result = r;
}
finally {
if (wTool.IsAlive)
{
wTool.ShowNotMinimized();
wTool.ActivateL();
}
}
return(true);