nur weiße screenshotes

[Harry M.]

bitte schön:

Delphi-Quellcode:

uses Jpeg;
var 
  PIC : TImage;
  fNameJPG, S : string;

////////////////////////////////////////////////////////////////////////////////
function GetCursorInfo2: TCursorInfo; 
var 
hWindow: HWND; 
pt: TPoint; 
pIconInfo: TIconInfo; 
dwThreadID, dwCurrentThreadID: DWORD; 
begin 
Result.hCursor := 0; 
ZeroMemory(@Result, SizeOf(Result)); 
// Find out which window owns the cursor 
if GetCursorPos(pt) then 
begin 
   Result.ptScreenPos := pt; 
   hWindow := WindowFromPoint(pt); 
   if IsWindow(hWindow) then 
   begin 
     // Get the thread ID for the cursor owner. 
     dwThreadID := GetWindowThreadProcessId(hWindow, nil); 

     // Get the thread ID for the current thread 
     dwCurrentThreadID := GetCurrentThreadId; 

     // If the cursor owner is not us then we must attach to 
     // the other thread in so that we can use GetCursor() to 
     // return the correct hCursor 
     if (dwCurrentThreadID <> dwThreadID) then 
     begin 
       if AttachThreadInput(dwCurrentThreadID, dwThreadID, True) then 
       begin 
         // Get the handle to the cursor 
         Result.hCursor := GetCursor; 
         AttachThreadInput(dwCurrentThreadID, dwThreadID, False); 
       end; 
     end 
     else 
     begin 
       Result.hCursor := GetCursor; 
     end; 
   end; 
end; 
end;  
////////////////////////////////////////////////////////////////////////////////
function setJPGFileName(fbmp: string):string;
var
  I : integer;
begin
  s := ExtractFileName(fbmp);
  for i := 1 to 3 do Delete(s,Length(s),1);
  result := s + 'JPG'
end;
////////////////////////////////////////////////////////////////////////////////
procedure ScreenShot(Bild: TBitMap);  
var  
  c: TCanvas;
  r: TRect;
  MyCursor: TIcon; 
  CursorInfo: TCursorInfo;
  IconInfo: TIconInfo;
begin  
  c := TCanvas.Create;  
  c.Handle := GetWindowDC(GetDesktopWindow);
  try
    r := Rect(0, 0, Screen.Width, Screen.Height);
    Bild.Width := Screen.Width;
    Bild.Height := Screen.Height;
    Bild.Canvas.CopyRect(r, c, r);


      // Create temp. Icon 
   MyCursor := TIcon.Create; 
   try 
     // Retrieve Cursor info 
     CursorInfo := GetCursorInfo2; 
     if CursorInfo.hCursor <> 0 then begin
       MyCursor.Handle := CursorInfo.hCursor; 
       // Get Hotspot information 
       GetIconInfo(CursorInfo.hCursor, IconInfo); 
       // Draw the Cursor on our bitmap
       Bild.Canvas.Draw(CursorInfo.ptScreenPos.X - IconInfo.xHotspot, CursorInfo.ptScreenPos.Y - IconInfo.yHotspot, MyCursor);
     end;
   finally
     // Clean up
     MyCursor.ReleaseHandle;
     MyCursor.Free;
   end;


  finally
    ReleaseDC(0, c.Handle);  
    c.Free;
  end;
end;
////////////////////////////////////////////////////////////////////////////////

// screenshot machen
ScreenShot(Image1.Picture.BitMap);

// konvertieren
Try
pic := TImage.Create(nil);
pic.Picture := Image1.Picture;
with TJPEGImage.Create do begin
  Performance := jpBestQuality;
  CompressionQuality := 20;
  Assign(pic.Picture.Graphic);
  //fNameJPG := setJPGFileName('Temp.bmp');
  SaveToFile('Temp.jpg');
  Free
  end;
except; end;
pic.Free;

das der cursor nun mit angezeigt wird, lässt aber die resourcen wieder etwas mehr in anspruch nehmen. kommentiere das dann einfach aus um den unterschied festzustellen