unit Unit1;interfaceuses Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs, ExtCtrls, StdCtrls;type TLoves = class(TForm) Image1: TImage; procedure Image1MouseDown(Sender: TObject; Button: TMouseButton; Shift: TShiftState; X, Y: Integer); procedure FormCreate(Sender: TObject); private { Private declarations } procedure CreateParams(Var Params:TCreateParams);override; function CreateRegion(wMask: TBitmap; wColor: TColor;hControl: THandle): HRGN; public { Public declarations } end;var Loves: TLoves;implementation {$R *.DFM}procedure TLoves.Image1MouseDown(Sender: TObject; Button: TMouseButton; Shift: TShiftState; X, Y: Integer); begin ReleaseCapture; SendMessage(Handle, WM_SYSCOMMAND, $F012, 0); end; procedure tloves.CreateParams(var Params:TCreateParams); begin inherited; With Params do begin wndParent:=GetDesktopwindow; ExStyle:=ExStyle or WS_EX_TOPMOST; end; end; procedure TLoves.FormCreate(Sender: TObject); var w1:TBitmap; w2:TColor; rgn: HRGN; begin ShowWindow(Application.handle,sw_hide); SetWindowLong(Application.Handle, GWL_EXSTYLE, WS_EX_TOOLWINDOW); w1:=TBitmap.Create; w1.Assign(image1.Picture.Bitmap); w2:=w1.Canvas.Pixels[0,0]; rgn := CreateRegion(w1,w2,Handle); if rgn<>0 then begin SetWindowRgn(Handle, rgn, true); end; w1.Free; end; function TLoves.CreateRegion(wMask: TBitmap; wColor: TColor; hControl: THandle): HRGN; var dc, dc_c: HDC; rgn: HRGN; x, y: integer; coord: TPoint; line: boolean; color: TColor; begin dc := GetWindowDC(hControl); dc_c := CreateCompatibleDC(dc); SelectObject(dc_c, wMask.Handle); BeginPath(dc); for x:=0 to wMask.Width-1 do begin line := false; for y:=0 to wMask.Height-1 do begin color := GetPixel(dc_c, x, y); if not (color = wColor) then begin if not line then begin line := true; coord.x := x; coord.y := y; end; end; if (color = wColor) or (y=wMask.Height-1) then begin if line then begin line := false; MoveToEx(dc, coord.x, coord.y, nil); LineTo(dc, coord.x, y); LineTo(dc, coord.x + 1, y); LineTo(dc, coord.x + 1, coord.y); CloseFigure(dc); end; end; end; end; EndPath(dc); rgn := PathToRegion(dc); ReleaseDC(hControl, dc); Result := rgn; end;end.
function SetLayeredWindowAttributes(hwnd:HWND; crKey:Longint; bAlpha:byte; dwFlags:longint ):longint; stdcall; external user32; ////////// procedure TFGateControl.FormShow(Sender: TObject); begin // 设置透明窗体 SetWindowLong(self.Handle, GWL_EXSTYLE, GetWindowLong(self.Handle, GWL_EXSTYLE) or WS_EX_LAYERED); SetLayeredWindowAttributes(handle, 0, 180, lwa_alpha);end;
Form1.borderstyle:=bsnone;
Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs,
ExtCtrls, StdCtrls;type
TLoves = class(TForm)
Image1: TImage;
procedure Image1MouseDown(Sender: TObject; Button: TMouseButton;
Shift: TShiftState; X, Y: Integer);
procedure FormCreate(Sender: TObject);
private
{ Private declarations }
procedure CreateParams(Var Params:TCreateParams);override;
function CreateRegion(wMask: TBitmap; wColor: TColor;hControl: THandle): HRGN;
public
{ Public declarations }
end;var
Loves: TLoves;implementation
{$R *.DFM}procedure TLoves.Image1MouseDown(Sender: TObject; Button: TMouseButton;
Shift: TShiftState; X, Y: Integer);
begin
ReleaseCapture;
SendMessage(Handle, WM_SYSCOMMAND, $F012, 0);
end;
procedure tloves.CreateParams(var Params:TCreateParams);
begin
inherited;
With Params do
begin
wndParent:=GetDesktopwindow;
ExStyle:=ExStyle or WS_EX_TOPMOST;
end;
end;
procedure TLoves.FormCreate(Sender: TObject);
var
w1:TBitmap;
w2:TColor;
rgn: HRGN;
begin
ShowWindow(Application.handle,sw_hide);
SetWindowLong(Application.Handle, GWL_EXSTYLE, WS_EX_TOOLWINDOW);
w1:=TBitmap.Create;
w1.Assign(image1.Picture.Bitmap);
w2:=w1.Canvas.Pixels[0,0];
rgn := CreateRegion(w1,w2,Handle);
if rgn<>0 then
begin
SetWindowRgn(Handle, rgn, true);
end;
w1.Free;
end;
function TLoves.CreateRegion(wMask: TBitmap; wColor: TColor;
hControl: THandle): HRGN;
var
dc, dc_c: HDC;
rgn: HRGN;
x, y: integer;
coord: TPoint;
line: boolean;
color: TColor;
begin
dc := GetWindowDC(hControl);
dc_c := CreateCompatibleDC(dc);
SelectObject(dc_c, wMask.Handle);
BeginPath(dc);
for x:=0 to wMask.Width-1 do
begin
line := false;
for y:=0 to wMask.Height-1 do
begin
color := GetPixel(dc_c, x, y);
if not (color = wColor) then
begin
if not line then
begin
line := true;
coord.x := x;
coord.y := y;
end;
end;
if (color = wColor) or (y=wMask.Height-1) then
begin
if line then
begin
line := false;
MoveToEx(dc, coord.x, coord.y, nil);
LineTo(dc, coord.x, y);
LineTo(dc, coord.x + 1, y);
LineTo(dc, coord.x + 1, coord.y);
CloseFigure(dc);
end;
end;
end;
end;
EndPath(dc);
rgn := PathToRegion(dc);
ReleaseDC(hControl, dc);
Result := rgn;
end;end.
//////////
procedure TFGateControl.FormShow(Sender: TObject);
begin
// 设置透明窗体
SetWindowLong(self.Handle, GWL_EXSTYLE, GetWindowLong(self.Handle, GWL_EXSTYLE) or WS_EX_LAYERED);
SetLayeredWindowAttributes(handle, 0, 180, lwa_alpha);end;