From 60cb8a6d8b99e23f4adffadec11fe6096ebd6f75 Mon Sep 17 00:00:00 2001 From: Raymond Date: Fri, 18 Sep 2009 02:58:23 +0000 Subject: [PATCH] Made MWindow.Free/Unfreeze git-svn-id: http://www.villavu.com/repositories/merlijn/mufasa@68 3f818213-9676-44b0-a9b4-5e4c4e03d09d --- Units/MMLCore/window.pas | 185 ++++++++++++++++++++++++--------------- 1 file changed, 112 insertions(+), 73 deletions(-) diff --git a/Units/MMLCore/window.pas b/Units/MMLCore/window.pas index 6bfdbe5..58ee02d 100644 --- a/Units/MMLCore/window.pas +++ b/Units/MMLCore/window.pas @@ -51,6 +51,8 @@ type private FreezeState: Boolean; + FrozenData : PRGB32; + FrozenSize : TPoint; public // Client Client: TObject; @@ -129,7 +131,8 @@ begin Self.Client := Client; - + Self.FrozenData:= nil; + Self.FrozenSize := Classes.Point(-1,-1); Self.FreezeState :=False; Self.ArrayPtr := nil; @@ -167,7 +170,8 @@ end; destructor TMWindow.Destroy; begin - + if FrozenData <> nil then + FreeMem(FrozenData); {$IFDEF LINUX} XCloseDisplay(Self.XDisplay); {$ENDIF} @@ -185,8 +189,19 @@ var Old_Handler: TXErrorHandler; {$ENDIF} TmpData: PRGB32; - + w,h : integer; begin + Self.GetDimensions(w,h); + if (xs < 0) or (xs + width > w) or (ys < 0) or (ys + height > h) then + raise Exception.CreateFMT('TMWindow.ReturnData: The parameters passed are wrong; xs,ys %d,%d width,height %d,%d',[xs,ys,width,height]); + + if Self.Frozen then + begin; + TmpData := Self.FrozenData; + Inc(TmpData, ys * width + xs); + Result.Ptr:= tmpData; + Result.IncPtrWith:= Self.FrozenSize.x - width; + end else case Self.TargetMode of w_Window: begin @@ -232,7 +247,7 @@ begin // Increase the pointer to the specified start of the data. - Inc(TmpData, ys * Height + xs); + Inc(TmpData, ys * width + xs); Result.Ptr := TmpData; Result.IncPtrWith:= Self.ArraySize.x - width; @@ -276,15 +291,29 @@ end; // client? function TMWindow.Freeze: Boolean; +var + w,h,x,y : integer; + PtrReturn : TRetData; begin + if Self.FreezeState then + raise Exception.CreateFMT('TMWindow.Freeze: The window is already frozen.',[]); + Result := true; + Self.GetDimensions(w,h); + Self.FrozenSize := Classes.Point(w,h); + PtrReturn := Self.ReturnData(0,0,w,h); + GetMem(Self.FrozenData, w * h * sizeof(TRGB32)); + Move(PtrReturn.Ptr[0], FrozenData[0], w*h*sizeof(TRGB32)); Self.FreezeState:=True; - raise Exception.createFMT('Freeze: Not yet implemented.', []); end; function TMWindow.Unfreeze: Boolean; begin + if Self.FreezeState = false then + raise Exception.CreateFMT('TMWindow.Unfreeze: The window is not frozen.',[]); + FreeMem(Self.FrozenData); + Self.FrozenData := nil; + Result := True; Self.FreezeState:=False; - raise Exception.createFMT('Unfreeze: Not yet implemented.', []); end; // Bugged. For params other than 0, 0, ClientWidth, ClientHeight @@ -297,6 +326,8 @@ var ww, hh: Integer; Raw: TRawImage; Bmp: TBitmap; + y : integer; + TempData : PRGB32; {$IFDEF LINUX} Old_Handler: TXErrorHandler; Img: PXImage; @@ -310,71 +341,71 @@ begin ww := xe-xs; hh := ye-ys; if(xs < 0) or (ys < 0) or (xe > W) or (ye > H) then - begin - writeln('Faulty coordinates'); - exit; + Raise Exception.CreateFMT('CopyClientToBitmap TMWindow: Faulty coordinates (%d,%d)(%d,%d); Width/Height is (%d,%d)',[xs,ys,xe,ye,w,h]); + if Self.Frozen then + begin; + TempData:= GetMem((ww + 1) * (hh + 1) * sizeof(TRGB32)); + for y := ys to ye do + Move(Self.FrozenData[y*Self.FrozenSize.x],TempData[(y-ys) * (ww+1)],(ww+1) * SizeOf(TRGB32)); + ArrDataToRawImage(TempData,Classes.Point(ww + 1,hh + 1),Raw); + Bmp := TBitmap.Create; + Bmp.LoadFromRawImage(Raw,true); + Result := bmp; + end else + case Self.TargetMode Of + w_Window: + begin + {$IFDEF MSWINDOWS} + Result := TBitmap.Create; + Result.SetSize(ww+1,hh+1); + BitBlt(result.canvas.handle,0,0,ww+1,hh+1, + self.TargetDC,xs,ys, SRCCOPY); + {$ENDIF} + end; + w_XWindow: + begin + {$IFDEF LINUX} + Old_Handler := XSetErrorHandler(@MufasaXErrorHandler); + + Img := XGetImage(Self.XDisplay, Self.curWindow, xs, ys, ww, hh, AllPlanes, ZPixmap); + XImageToRawImage(Img, Raw); + + Bmp := TBitmap.Create; + Bmp.LoadFromRawImage(Raw, False); + Result := Bmp; + + { + If you want to use some internal Bitmap system, BitBlt to it here. + Don't forget to free Bmp! + } + //lclintf.BitBlt(Bmps[bitmap].Canvas.Handle, 0, 0, ww + 1, hh + 1, Bmp.Canvas.Handle, xs, ys, SRCCOPY); + //Bmp.Free; + + XDestroyImage(Img); + XSetErrorHandler(Old_Handler); + {$ELSE} + raise Exception.createFMT('CopyClientToBitmap: You cannot use ' + + 'the XImage mode on Windows.', []); + {$ENDIF} + end; + w_ArrayPtr: + begin + // Will only work if the coords are 0, 0, w, h. + // Otherwise, we will need to perform mem copy/move operations. + // Copy it to a XImage-alike structure, + // then pass it to ArrDataToRawImage. + + // Basically, Copy the data slices from the array into a XImage, + // where the data IS aligned. + TempData:= GetMem((ww + 1) * (hh + 1) * sizeof(trgb32)); + for y := ys to ye do + Move(Self.ArrayPtr[y*Self.ArraySize.x],TempData[(y-ys) * (ww+1)],(ww+1) * SizeOf(TRGB32)); + ArrDataToRawImage(TempData,Classes.Point(ww+1,hh+1),Raw); + Bmp := TBitmap.Create; + Bmp.LoadFromRawImage(Raw,true); + Result := bmp; + end; end; - - - case Self.TargetMode Of - w_Window: - begin - {$IFDEF MSWINDOWS} - Result := TBitmap.Create; - Result.SetSize(ww+1,hh+1); - BitBlt(result.canvas.handle,0,0,ww+1,hh+1, - self.TargetDC,xs,ys, SRCCOPY); - {$ENDIF} - end; - w_XWindow: - begin - {$IFDEF LINUX} - Old_Handler := XSetErrorHandler(@MufasaXErrorHandler); - - Img := XGetImage(Self.XDisplay, Self.curWindow, xs, ys, ww, hh, AllPlanes, ZPixmap); - XImageToRawImage(Img, Raw); - - Bmp := TBitmap.Create; - Bmp.LoadFromRawImage(Raw, False); - Result := Bmp; - - { - If you want to use some internal Bitmap system, BitBlt to it here. - Don't forget to free Bmp! - } - //lclintf.BitBlt(Bmps[bitmap].Canvas.Handle, 0, 0, ww + 1, hh + 1, Bmp.Canvas.Handle, xs, ys, SRCCOPY); - //Bmp.Free; - - XDestroyImage(Img); - XSetErrorHandler(Old_Handler); - {$ELSE} - raise Exception.createFMT('CopyClientToBitmap: You cannot use ' + - 'the XImage mode on Windows.', []); - {$ENDIF} - end; - w_ArrayPtr: - begin - // Will only work if the coords are 0, 0, w, h. - // Otherwise, we will need to perform mem copy/move operations. - // Copy it to a XImage-alike structure, - // then pass it to ArrDataToRawImage. - - // Basically, Copy the data slices from the array into a XImage, - // where the data IS aligned. - - raise Exception.createFMT('Array Data to Bitmap not yet fully ' + - 'implemented', []); - Result := nil; - exit; - - - ArrDataToRawImage(Self.ArrayPtr, Self.ArraySize, Raw); - - Bmp := TBitmap.Create; - Bmp.LoadFromRawImage(Raw, False); - Result := Bmp; - end; - end; end; procedure TMWindow.ActivateClient; @@ -418,6 +449,11 @@ var Rect : TRect; {$ENDIF} begin + if Frozen then + begin; + w := FrozenSize.x; + h := FrozenSize.y; + end else case TargetMode of w_Window: begin @@ -460,6 +496,8 @@ function TMWindow.SetTarget(XWindow: x.TWindow): integer; overload; var Old_Handler: TXErrorHandler; begin + if Self.Frozen then + raise Exception.CreateFMT('You cannot set a target when Frozen',[]); Old_Handler := XSetErrorHandler(@MufasaXErrorHandler); Self.CurWindow := XWindow; Self.TargetMode:= w_XWindow; @@ -469,11 +507,10 @@ end; function TMWindow.SetTarget(Window: THandle; NewType: TTargetWindowMode): integer; overload; begin + if Self.Frozen then + raise Exception.CreateFMT('You cannot set a target when Frozen',[]); if NewType in [ w_XWindow, w_ArrayPtr ] then - begin raise Exception.createFMT('SetTarget: Invalid new type.', []); - Exit; - end; case NewType of w_Window : begin; @@ -500,6 +537,8 @@ end; } function TMWindow.SetTarget(ArrPtr: PRGB32; Size: TPoint): integer; overload; begin + if Self.Frozen then + raise Exception.CreateFMT('You cannot set a target when Frozen',[]); If Self.TargetMode = w_XWindow then Self.FreeReturnData;