我想为我的应用程序使用大型倒十字光标.
但我的代码使光标背景倒置.光标仍然是白色的.
但我的代码使光标背景倒置.光标仍然是白色的.
var IconInfo: TIconInfo; AndMask,Bmp: TBitmap; w,h: Integer; begin w := Screen.Width * 2; h := Screen.Height * 2; // Creation And Mask AndMask := TBitmap.Create; AndMask.Monochrome := True; AndMask.Height := h; AndMask.Width := w; // Draw on And Mask AndMask.Canvas.Brush.Color := clWhite; AndMask.Canvas.FillRect(AndMask.Canvas.ClipRect); // AndMask.Canvas.Pen.Color := clWhite; AndMask.Canvas.Pen.Width := 3; AndMask.Canvas.Moveto(w div 2,0); AndMask.Canvas.Lineto(w div 2,h); AndMask.Canvas.Moveto(0,h div 2); AndMask.Canvas.Lineto(w,h div 2); {Create the "XOr" mask} Bmp := TBitmap.Create; Bmp.Width := w; Bmp.Height := h; {Draw on the "XOr" mask} Bmp.Canvas.Brush.Color := clWhite; Bmp.Canvas.FillRect(Rect(0,w,h)); IconInfo.fIcon := true; IconInfo.xHotspot := w div 2; IconInfo.yHotspot := h div 2; IconInfo.hbmMask := AndMask.Handle; IconInfo.hbmColor := Bmp.Handle; Screen.Cursors[1]:= CreateIconIndirect(IconInfo); Screen.Cursor:=1; end;
如何使背景透明和光标倒置?
解决方法
procedure TForm1.Button1Click(Sender: TObject); var IconInfo: TIconInfo; AndMask,h: Integer; begin w := Screen.Width * 2; h := Screen.Height * 2; // Creation And Mask AndMask := TBitmap.Create; // AndMask.Monochrome := True; AndMask.Height := h; AndMask.Width := w; // Draw on And Mask AndMask.Canvas.Brush.Color := clWhite; AndMask.Canvas.FillRect(AndMask.Canvas.ClipRect); AndMask.Canvas.Pen.Color := clwhite; AndMask.Canvas.Pen.Width := 3; AndMask.Canvas.Moveto(w div 2,h div 2); {Create the "XOr" mask} Bmp := TBitmap.Create; Bmp.Width := w; Bmp.Height := h; {Draw on the "XOr" mask} Bmp.Canvas.Brush.Color := clblack; Bmp.Canvas.FillRect(Rect(0,h)); Bmp.Canvas.Pen.Color := clwhite; Bmp.Canvas.Pen.Width := 3; Bmp.Canvas.Moveto(w div 2,0); Bmp.Canvas.Lineto(w div 2,h); Bmp.Canvas.Moveto(0,h div 2); Bmp.Canvas.Lineto(w,h div 2); IconInfo.fIcon := true; IconInfo.xHotspot := w div 2; IconInfo.yHotspot := h div 2; IconInfo.hbmMask := AndMask.Handle; IconInfo.hbmColor := Bmp.Handle; Screen.Cursors[1]:= CreateIconIndirect(IconInfo); Screen.Cursor:=1; end;
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