ucxpmenu.pas

delphi 控件有需要的可以下载看看,可以用的,希望对你用 帮助

function GetShadeColor(ACanvas: TCanvas; clr: TColor; Value: integer): TColor;
var
  r, g, b: integer;

begin
  clr := ColorToRGB(clr);
  r := Clr and $000000FF;
  g := (Clr and $0000FF00) shr 8;
  b := (Clr and $00FF0000) shr 16;

  r := (r - value);
  if r < 0 then r := 0;
  if r > 255 then r := 255;

  g := (g - value) + 2;
  if g < 0 then g := 0;
  if g > 255 then g := 255;

  b := (b - value);
  if b < 0 then b := 0;
  if b > 255 then b := 255;

  //Result := Windows.GetNearestColor(ACanvas.Handle, RGB(r, g, b));
  Result := RGB(r, g, b);
end;

function NewColor(ACanvas: TCanvas; clr: TColor; Value: integer): TColor;
var
  r, g, b: integer;

begin
  if Value > 100 then Value := 100;
  clr := ColorToRGB(clr);
  r := Clr and $000000FF;
  g := (Clr and $0000FF00) shr 8;
  b := (Clr and $00FF0000) shr 16;


  r := r + Round((255 - r) * (value / 100));
  g := g + Round((255 - g) * (value / 100));
  b := b + Round((255 - b) * (value / 100));

  Result := Windows.GetNearestColor(ACanvas.Handle, RGB(r, g, b));
  //Result := RGB(r, g, b);

end;

function GrayColor(ACanvas: TCanvas; Clr: TColor; Value: integer): TColor;
var
  r, g, b, avg: integer;

begin

  clr := ColorToRGB(clr);
  r := Clr and $000000FF;
  g := (Clr and $0000FF00) shr 8;
  b := (Clr and $00FF0000) shr 16;

  Avg := (r + g + b) div 3;
  Avg := Avg + Value;

  if Avg > 240 then Avg := 240;
  //if ACanvas <> nil then
  //  Result := Windows.GetNearestColor (ACanvas.Handle,RGB(Avg, avg, avg));
   Result := RGB(Avg, avg, avg);
end;

procedure GrayBitmap(ABitmap: TBitmap; Value: integer);
var
  x, y: integer;
  LastColor1, LastColor2, Color: TColor;
begin
  LastColor1 := 0;
  LastColor2 := 0;

  for y := 0 to ABitmap.Height do
    for x := 0 to ABitmap.Width do
    begin
      Color := ABitmap.Canvas.Pixels[x, y];
      if Color = LastColor1 then
        ABitmap.Canvas.Pixels[x, y] := LastColor2
      else
      begin
        LastColor2 := GrayColor(ABitmap.Canvas , Color, Value);
        ABitmap.Canvas.Pixels[x, y] := LastColor2;
        LastColor1 := Color;
      end;
    end;
end;

{Modified  by [e-mail]}
{
procedure GrayBitmap(ABitmap: TBitmap; Value: integer);
var
  Pixel: PRGBTriple;
  w, h: Integer;
  x, y: Integer;
  avg: integer;
begin
  ABitmap.PixelFormat := pf24Bit;
  w := ABitmap.Width;
  h := ABitmap.Height;
  for y := 0 to h - 1 do
  begin
    Pixel := ABitmap.ScanLine[y];
    for x := 0 to w - 1 do
    begin
      avg := ((Pixel^.rgbtRed + Pixel^.rgbtGreen + Pixel^.rgbtBlue) div 3)
        + Value;
      if avg > 240 then avg := 240;
      Pixel^.rgbtRed := avg;
      Pixel^.rgbtGreen := avg;
      Pixel^.rgbtBlue := avg;
      Inc(Pixel);
    end;
  end;
end;
}

procedure DimBitmap(ABitmap: TBitmap; Value: integer);
var
  x, y: integer;
  LastColor1, LastColor2, Color: TColor;
begin
  if Value > 100 then Value := 100;
  LastColor1 := -1;
  LastColor2 := -1;

  for y := 0 to ABitmap.Height - 1 do
    for x := 0 to ABitmap.Width - 1 do
    begin
      Color := ABitmap.Canvas.Pixels[x, y];
      if Color = LastColor1 then
        ABitmap.Canvas.Pixels[x, y] := LastColor2
      else
      begin
        LastColor2 := NewColor(ABitmap.Canvas, Color, Value);
        ABitmap.Canvas.Pixels[x, y] := LastColor2;
        LastColor1 := Color;
      end;
    end;
end;

{Modified  by [e-mail]}
{works  fine for 24 bit color
procedure DimBitmap(ABitmap: TBitmap; Value: integer);
var
  Pixel: PRGBTriple;
  w, h: Integer;
  x, y, c1, c2: Integer;
begin
  ABitmap.PixelFormat := pf24Bit;
  w := ABitmap.Width;
  h := ABitmap.Height;

  c1 := Value * 255;
  c2 := 100 - Value;
  for y := 0 to h - 1 do
  begin
    Pixel := ABitmap.ScanLine[y];
    for x := 0 to w - 1 do
    begin
      Pixel^.rgbtRed := ((c2 * Pixel^.rgbtRed) + c1) div 100;
      Pixel^.rgbtGreen := ((c2 * Pixel^.rgbtGreen) + c1) div 100;
      Pixel^.rgbtBlue := ((c2 * Pixel^.rgbtBlue) + c1) div 100;
      Inc(Pixel);
    end;
  end;
end;
}
procedure DrawArrow(ACanvas: TCanvas; X, Y: integer);
begin
  ACanvas.MoveTo(X, Y);
  ACanvas.LineTo(X + 5, Y);

  ACanvas.MoveTo(X + 1, Y + 1);
  ACanvas.LineTo(X + 4, Y);

  ACanvas.MoveTo(X + 2, Y + 2);
  ACanvas.LineTo(X + 3, Y);

end;

procedure DrawBitmapShadow(B: TBitmap; ACanvas: TCanvas; X, Y: integer;
  ShadowColor: TColor);
var
  BX, BY: integer;
  TransparentColor: TColor;
begin
  TransparentColor := B.Canvas.Pixels[0, B.Height - 1];
  for BY := 0 to B.Height - 1 do
    for BX := 0 to B.Width - 1 do
    begin
      if B.Canvas.Pixels[BX, BY] <> TransparentColor then
        ACanvas.Pixels[X + BX, Y + BY] := ShadowColor;
    end;
end;

procedure DrawCheckMark(ACanvas: TCanvas; X, Y: integer);
begin
  Inc(X, 2);
  Dec(Y, 3);
  ACanvas.MoveTo(X , Y - 2);
  ACanvas.LineTo(X + 2, Y );
  ACanvas.LineTo(X + 7, Y - 5);

  ACanvas.MoveTo(X , Y - 3);
  ACanvas.LineTo(X + 2, Y - 1);
  ACanvas.LineTo(X + 7, Y - 6);

  ACanvas.MoveTo(X , Y - 4);
  ACanvas.LineTo(X + 2, Y - 2);
  ACanvas.LineTo(X + 7, Y - 7);

end;




{ TCustomComboSubClass }
//By Heath Provost (Nov 20, 2001)
// ComboBox Subclass WndProc.
// Message processing to allow control to repond to
// messages needed to paint using Office XP style.
procedure TControlSubClass.ControlSubClass(var Message: TMessage);
begin
  //Call original WindowProc FIRST. We are trying to emulate inheritance, so
  //original WindowProc must handle all messages before we do.


  if (Message.Msg = WM_PAINT) and ((Control is TGraphicControl)) then
     Message.Result := 1
  else
  //try      //: "Marcus Paulo Tavares" <[e-mail]>
    orgWindowProc(Message);
  //except
  //end;
  if (not XPStyle.FActive)  then
  begin
    try
      Message.Result := 1;
      if Control <> nil then
      begin
        Control.WindowProc := orgWindowProc;
        if Control is TCustomEdit then
          TEdit(Control).Ctl3D := FCtl3D;

        if Control is TCustomRichEdit then
          TRichEdit(Control).BorderStyle := FBorderStyle;

        if Control is TGraphicControl then
          Control.Repaint;

        Control := nil;
        Free;
      end;
      exit;
    except
      exit;
    end;
  end;
  FMsg := Message.Msg;
  case Message.Msg of

    EM_GETMODIFY, // For edit
    CM_INVALIDATE:
      begin
        FBuilding := true
      end;

    CM_PARENTCOLORCHANGED:
    begin
      PaintControlXP;
    end;

    WM_DESTROY:
      begin
       if not FBuilding then
       begin
         try
           Control.WindowProc := orgWindowProc;
           Free;
         except
         end;
         FBuilding := false;
       end;
       Exit;
      end;

    WM_PAINT:
      begin
        FBuilding := false;
        PaintControlXP;
      end;

    CM_MOUSEENTER:
      if TControl(Control).Enabled then
      begin
        FmouseInControl := true;
        if Control is TGraphicControl then
        begin
          Control.Repaint;
          exit;
        end;
        PaintControlXP;
      end;
    CM_MOUSELEAVE:
      if TControl(Control).Enabled then
      begin
        FmouseInControl := false;
        if Control is TGraphicControl then
        begin
          Control.Repaint;
          exit;
        end;
        PaintControlXP;
      end;

    WM_LBUTTONDOWN:
      begin
        FLButtonBressed := true;
        PaintControlXP;
      end;

    WM_LBUTTONUP:
      begin
       FLButtonBressed := false;
       if Control is TGraphicControl then
       begin
         Control.Repaint;
         exit;
       end;
       PaintControlXP;
      end;

    WM_KEYDOWN:
      if Message.WParam = VK_SPACE then
      begin
       FBressed := true;
       if not FIsKeyDown then
         PaintControlXP;
       FIsKeyDown := true;
      end;

    WM_KEYUP:
      if Message.WParam = VK_SPACE then
      begin
        FBressed := false;
        FIsKeyDown := false;
        PaintControlXP;
      end;

    WM_SETFOCUS:
      begin
        FmouseInControl := true;
        PaintControlXP;
      end;
    WM_KILLFOCUS:
      begin
        FmouseInControl := false;
        PaintControlXP;
      end;
    CM_FOCUSCHANGED:
      PaintControlXP;

    CM_EXIT:
      begin
        FmouseInControl := false;
        PaintControlXP;
      end;

    BM_SETCHECK:
      begin
        FmouseInControl := false;
        PaintControlXP;
      end;
    BM_GETCHECK:
      begin
        FmouseInControl := false;
        PaintControlXP;
      end;
    CM_ENABLEDCHANGED,CM_TEXTCHANGED:
      begin
        PaintControlXP;
      end;

    CM_CTL3DCHANGED, CM_PARENTCTL3DCHANGED:
      begin
        FBuilding := true
      end;
    WM_LBUTTONDBLCLK:    //for button, check
      begin
        if (Control is TButton) or
           (Control is TSpeedButton) or
           (Control is TCheckBox)  then
         Control.Perform(WM_LBUTTONDOWN, Message.WParam , Longint(Message.LParam));
      end;

    {CN_DRAWITEM,} BM_SETSTATE:
      PaintControlXP;   // button

  end;

end;

// changes added by Heath Provost (Nov 20, 2001)
{ TCustomComboSubClass }
// paints an overlay over the control to make it mimic
// Office XP style.

procedure TControlSubClass.PaintControlXP;
begin

  If Control is TWinControl then
    FIsFocused := TWinControl(Control).Focused
  else
    FIsFocused := false;
  {$IFDEF VER6U}
  if (Control is TCustomCombo) then
    PaintCombo;
  {$ELSE}
  if (Control is TCustomComboBox) then
    PaintCombo;
  {$ENDIF}

{  if Control is TDateTimePicker then //qmd
    PaintEdit;//    PaintDateTimePicker;}

  if Control is TCustomRichEdit then
    PaintRichEdit
  else
  if Control is TCustomEdit then
    PaintEdit;

  if Control is TCustomCheckBox then
    PaintCheckBox;
  if Control is TRadioButton then
    PaintRadio;

  if Control is TBitBtn then
    PaintBitButn
  else
  if Control is TButton then
    PaintButton;

 if Control is TUpDown then
    PaintUpDownButton;

  if Control is TSpeedButton then
    if Control.Visible then
      PaintSpeedButton;

  if Control is TCustomPanel then
    PaintPanel;
  if Control is TCustomGroupBox then
    PaintGroupBox;
end;


procedure TControlSubClass.PaintCombo;
var
  C: TControlCanvas;
  R: TRect;
  SelectColor, BorderColor, ArrowColor: TColor;
  X: integer;
begin
  C := nil;
  try
    C := TControlCanvas.Create;
    C.Control := Control;

    XPStyle.SetGlobalColor(C);
    if Control.Enabled then ArrowColor := clBlack else ArrowColor := clWhite;


    if (FmouseinControl) then
    begin
      borderColor := XPStyle.FFSelectBorderColor;
      SelectColor := XPStyle.FFSelectColor;
    end
    else
    begin
      borderColor := TComboBox(Control).Color;
      selectColor := clBtnFace;
    end;