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@@ -0,0 +1,117 @@
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+unit Unit1;
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+
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+{$mode objfpc}{$H+}
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+
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+interface
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+
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+uses
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+ Classes, SysUtils, Forms, Controls, Graphics, Dialogs, CheckLst, Types,
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+ StdCtrls, BGRAThemeCheckBox, BGRABitmap, BGRABitmapTypes, BGRATheme;
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+
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+type
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+
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+ { TForm1 }
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+
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+ TForm1 = class(TForm)
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+ BGRAThemeCheckBox1: TBGRAThemeCheckBox;
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+ CheckListBox1: TCheckListBox;
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+ procedure CheckListBox1DrawItem(Control: TWinControl; Index: Integer;
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+ ARect: TRect; State: TOwnerDrawState);
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+ procedure FormCreate(Sender: TObject);
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+ private
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+ procedure DrawCheckBox(aCaption: string; State: TBGRAThemeButtonState;
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+ aFocused: boolean; Checked: boolean; ARect: TRect;
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+ ASurface: TBGRAThemeSurface);
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+
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+ public
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+
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+ end;
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+
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+var
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+ Form1: TForm1;
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+
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+implementation
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+
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+{$R *.lfm}
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+
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+{ TForm1 }
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+
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+procedure TForm1.CheckListBox1DrawItem(Control: TWinControl; Index: Integer;
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+ ARect: TRect; State: TOwnerDrawState);
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+var
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+ surface: TBGRAThemeSurface;
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+ parentForm: TCustomForm;
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+ lclDPI: Integer;
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+begin
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+ parentForm := GetParentForm(Control, False);
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+ if Assigned(parentForm) then
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+ lclDPI := parentForm.PixelsPerInch
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+ else lclDPI := Screen.PixelsPerInch;
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+ surface := TBGRAThemeSurface.Create(ARect, TCheckListBox(Control).Canvas, 1, lclDPI);
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+ try
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+ DrawCheckBox(TCheckListBox(Control).Items[Index], btbsNormal, False, TCheckListBox(Control).Checked[Index], ARect, surface);
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+ finally
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+ surface.Free;
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+ end;
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+end;
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+
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+procedure TForm1.FormCreate(Sender: TObject);
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+begin
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+ CheckListBox1.AddItem('Red', nil);
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+ CheckListBox1.AddItem('Green', nil);
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+ CheckListBox1.AddItem('Blue', nil);
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+ CheckListBox1.AddItem('Alpha', nil);
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+end;
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+
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+procedure TForm1.DrawCheckBox(aCaption: string; State: TBGRAThemeButtonState;
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+ aFocused: boolean; Checked: boolean; ARect: TRect; ASurface: TBGRAThemeSurface
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+ );
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+var
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+ Style: TTextStyle;
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+ aColor: TBGRAPixel;
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+ aleft, atop, aright, abottom: integer;
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+begin
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+ with ASurface do
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+ begin
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+ DestCanvas.Font.Color := clBlack;
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+ case State of
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+ btbsHover: aColor := BGRA(0, 120, 215);
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+ btbsActive: aColor := BGRA(0, 84, 153);
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+ btbsDisabled:
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+ begin
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+ DestCanvas.Font.Color := clGray;
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+ aColor := BGRA(204, 204, 204);
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+ end;
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+ else {btbsNormal}
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+ aColor := BGRABlack;
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+ end;
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+
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+ Bitmap.Fill(BGRAWhite);
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+ BitmapRect := ARect;
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+ Bitmap.Rectangle(0, 0, Bitmap.Height, Bitmap.Height, aColor, BGRAWhite);
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+ aleft := 0;
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+ aright := Bitmap.Height;
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+ atop := 0;
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+ abottom := Bitmap.Height;
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+ if Checked then
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+ Bitmap.DrawPolyLineAntialias(Bitmap.ComputeBezierSpline(
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+ [BezierCurve(pointF(aleft + 2, atop + 3), PointF((aleft + aright - 1) / 2, abottom - 3)),
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+ BezierCurve(PointF((aleft + aright - 1) / 2, abottom - 3), PointF(
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+ (aleft + aright - 1) / 2, (atop * 2 + abottom - 1) / 3), PointF(aright - 2, atop - 2))]),
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+ Color, 1.5);
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+ DrawBitmap;
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+
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+ if aCaption <> '' then
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+ begin
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+ fillchar(Style, sizeof(Style), 0);
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+ Style.Alignment := taLeftJustify;
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+ Style.Layout := tlCenter;
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+ Style.Wordbreak := True;
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+ DestCanvas.TextRect(ARect,
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+ ARect.Height, 0, aCaption, Style);
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+ end;
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+ end;
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+end;
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+
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+end.
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+
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Leandro Diaz