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unit customdrawn_extra1;
{$mode objfpc}{$H+}
interface
uses
// RTL
Classes, SysUtils, Types,
// LCL -> Use only TForm, TWinControl, TCanvas and TLazIntfImage
Graphics, Controls, LCLType,
//
customdrawndrawers, customdrawn_common;
type
{ TCDDrawerExtra1 }
TCDDrawerExtra1 = class(TCDDrawerCommon)
public
function GetMeasures(AMeasureID: Integer): Integer; override;
// ===================================
// Common Controls Tab
// ===================================
procedure DrawTrackBar(ADest: TCanvas; ASize: TSize;
AState: TCDControlState; AStateEx: TCDPositionedCStateEx); override;
end;
{ TCDButtonDrawerGrad = class(TCDButtonDrawer)
public
procedure DrawToIntfImage(ADest: TFPImageCanvas; CDButton: TCDButton); override;
procedure DrawToCanvas(ADest: TCanvas; CDButton: TCDButton); override;
end;
TCDTrackBarDrawerGraph = class(TCDTrackBarDrawer)
public
procedure DrawToIntfImage(ADest: TFPImageCanvas; FPImg: TLazIntfImage;
CDTrackBar: TCDTrackBar); override;
procedure GetGeometry(var ALeftBorder, ARightBorder: Integer); override;
end;}
implementation
{procedure TCDButtonDrawerGrad.DrawToIntfImage(ADest: TFPImageCanvas;
CDButton: TCDButton);
begin
end;
procedure TCDButtonDrawerGrad.DrawToCanvas(ADest: TCanvas; CDButton: TCDButton);
var
TmpB: TBitmap;
Str: string;
begin
// Button shape -> This crashes in Gtk2
TmpB := TBitmap.Create;
TmpB.Width := CDButton.Width;
TmpB.Height := CDButton.Height;
TmpB.Canvas.Brush.Color := CDButton.Color;
TmpB.Canvas.Brush.Style := bsSolid;
TmpB.Canvas.RoundRect(0, 0, TmpB.Width, TmpB.Height, 8, 8);
// CDButton.SetShape(TmpB);
with TmpB.Canvas do
begin
Brush.Style := bsSolid;
Brush.Color := CDButton.Parent.Color;
Pen.Color := Brush.Color;
Rectangle(0, 0, Width, Height);
FillRect(0, 0, Width, Height);
Brush.Color := GetAColor(CDButton.Color, 90);
end;
// Button image
if CDButton.IsDown then
DrawCDButtonDown(TmpB.Canvas, CDButton.GetRGBBackgroundColor)
else if CDButton.Focused then
//GradientFill(GetUColor(CDButton.Color, 50), GetAColor(CDButton.Color, 60), TmpB.Canvas);
GradientFill(clWhite, GetAColor(CDButton.Color, 96), TmpB.Canvas)
else
//GradientFill(GetUColor(CDButton.Color, 10), GetAColor(CDButton.Color, 20), TmpB.Canvas);
GradientFill(clWhite, CDButton.Color, TmpB.Canvas);
ADest.Draw(0, 0, TmpB);
TmpB.Free;
// Button text
ADest.Font.Assign(CDButton.Font);
ADest.Brush.Style := bsClear;
ADest.Pen.Style := psSolid;
Str := CDButton.Caption;
ADest.TextOut((CDButton.Width - ADest.TextWidth(Str)) div 2,
(CDButton.Height - ADest.TextHeight(Str)) div 2, Str);
end;
{ TCDTrackBarDrawer }
procedure TCDTrackBarDrawerGraph.DrawToIntfImage(ADest: TFPImageCanvas;
FPImg: TLazIntfImage; CDTrackBar: TCDTrackBar);
procedure TCDTrackBarDrawerGraph.GetGeometry(var ALeftBorder,
ARightBorder: Integer);
begin
ALeftBorder := 9;
ARightBorder := 9;
end;
RegisterTrackBarDrawer(TCDTrackBarDrawerGraph.Create, dsExtra1);}
{ TCDDrawerExtra1 }
function TCDDrawerExtra1.GetMeasures(AMeasureID: Integer): Integer;
begin
case AMeasureId of
TCDTRACKBAR_LEFT_SPACING: Result := 9;
TCDTRACKBAR_RIGHT_SPACING: Result := 9;
else
Result:=inherited GetMeasures(AMeasureID);
end;
end;
procedure TCDDrawerExtra1.DrawTrackBar(ADest: TCanvas;
ASize: TSize; AState: TCDControlState; AStateEx: TCDPositionedCStateEx);
var
lDrawingBottom, StepsCount, i: Integer;
pStart, pEnd: integer; // for drawing the decorative bars
dRect: TRect;
pStepWidth, pHalfStepWidth: Integer;
CDBarEdge: Integer;
begin
CDBarEdge := GetMeasures(TCDTRACKBAR_LEFT_SPACING)
+ GetMeasures(TCDTRACKBAR_RIGHT_SPACING);
// Preparations
StepsCount := AStateEx.PosCount;
pStepWidth := (ASize.cx - CDBarEdge) div StepsCount;
pHalfStepWidth := (ASize.cx - CDBarEdge) div (StepsCount * 2);
// The bottom part of the drawing
lDrawingBottom := ASize.cy - 10;
// Background
ADest.Brush.Color := AStateEx.ParentRGBColor;
ADest.Brush.Style := bsSolid;
ADest.Pen.Style := psSolid;
ADest.Pen.Color := AStateEx.ParentRGBColor;
ADest.Rectangle(0, 0, ASize.cx, ASize.cy);
// Draws the double-sided arrow in the center of the slider
ADest.Brush.Color := ColorToRGB($006BB6E6);
ADest.Pen.Style := psSolid;
ADest.Pen.Color := ColorToRGB($006BB6E6);
ADest.Line(0, lDrawingBottom, ASize.cx, lDrawingBottom);
ADest.Line(3, lDrawingBottom - 1, 6, lDrawingBottom - 1);
ADest.Line(5, lDrawingBottom - 2, 6, lDrawingBottom - 2);
ADest.Line(3, lDrawingBottom + 1, 6, lDrawingBottom + 1);
ADest.Line(5, lDrawingBottom + 2, 6, lDrawingBottom + 2);
ADest.Line(ASize.cx - 1 - 3, lDrawingBottom - 1, ASize.cx - 1 - 6, lDrawingBottom - 1);
ADest.Line(ASize.cx - 1 - 5, lDrawingBottom - 2, ASize.cx - 1 - 6, lDrawingBottom - 2);
ADest.Line(ASize.cx - 1 - 3, lDrawingBottom + 1, ASize.cx - 1 - 6, lDrawingBottom + 1);
ADest.Line(ASize.cx - 1 - 5, lDrawingBottom + 2, ASize.cx - 1 - 6, lDrawingBottom + 2);
ADest.Pen.Color := ColorToRGB(clGray);
ADest.Brush.Color := ColorToRGB($00F0F0F0);
// Draws the decorative bars and also the slider button
pStart := 10 - 1;
for i := 0 to StepsCount - 1 do
begin
// Draw the decorative bars
dRect := Bounds(
pStart + pHalfStepWidth,
lDrawingBottom - 5 - i,
Round(pStepWidth)-3,
4 + i);
ADest.Brush.Style := bsSolid;
ADest.Pen.Style := psSolid;
ADest.Pen.Color := clBlack;
if i <= AStateEx.Position then
ADest.Brush.Color := clDkGray
else
ADest.Brush.Color := clWhite;
ADest.Rectangle(dRect);
// Draw the slider
if i = AStateEx.Position then
begin
ADest.Brush.FPColor := TColorToFPColor(ColorToRGB($006BB6E6));
ADest.Brush.Style := bsSolid;
ADest.Rectangle(pStart, lDrawingBottom + 1, pStart + 10, lDrawingBottom + 6);
ADest.Pen.Color := ColorToRGB($005BA6C6);
ADest.RecTangle(pStart, lDrawingBottom + 2, pStart + 10, lDrawingBottom + 7);
ADest.Pen.Color := ColorToRGB($006BB6E6);
ADest.RecTangle(pStart, lDrawingBottom, pStart + 10, lDrawingBottom + 2);
end;
pStart := pStart + pStepWidth;
end;
ADest.Pen.Color := ColorToRGB($007BC6F6);
ADest.Line(7, lDrawingBottom - 1, ASize.cx - 8, lDrawingBottom - 1);
ADest.Line(7, lDrawingBottom + 1, ASize.cx - 8, lDrawingBottom + 1);
ADest.Pixels[2, lDrawingBottom - 1] := ADest.Pen.Color;
ADest.Pixels[4, lDrawingBottom - 2] := ADest.Pen.Color;
ADest.Pixels[2, lDrawingBottom + 1] := ADest.Pen.Color;
ADest.Pixels[4, lDrawingBottom + 2] := ADest.Pen.Color;
ADest.Pixels[6, lDrawingBottom - 3] := ADest.Pen.Color;
ADest.Pixels[6, lDrawingBottom + 3] := ADest.Pen.Color;
ADest.Pixels[ASize.cx - 1 - 2, lDrawingBottom - 1] := ADest.Pen.Color;
ADest.Pixels[ASize.cx - 1 - 4, lDrawingBottom - 2] := ADest.Pen.Color;
ADest.Pixels[ASize.cx - 1 - 2, lDrawingBottom + 1] := ADest.Pen.Color;
ADest.Pixels[ASize.cx - 1 - 4, lDrawingBottom + 2] := ADest.Pen.Color;
ADest.Pixels[ASize.cx - 1 - 6, lDrawingBottom - 3] := ADest.Pen.Color;
ADest.Pixels[ASize.cx - 1 - 6, lDrawingBottom + 3] := ADest.Pen.Color;
end;
initialization
RegisterDrawer(TCDDrawerExtra1.Create, dsExtra1);
end.
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