Thiago
iTelefonica wrote:
> Obrigado Luiz
> Mas o codigo não veio pois é proibido via Lista. Mas valeu assim mesmo.
> Obrigado
> Clovito
>
>
> Que a Paz do Grande Arquiteto do Universo nos Ampare
> [EMAIL PROTECTED]
> Msn-> [EMAIL PROTECTED]
> Dourado SP
>
>
>
> ----- Original Message -----
> From: "Luiz Escobar" <[EMAIL PROTECTED]>
> To: <delphi-br@yahoogrupos.com.br>
> Sent: Wednesday, May 31, 2006 9:01 PM
> Subject: RES: [delphi-br] Botões redondos... codigo fontebotão de
> bitmap´s...
>
>
>
>> bom sei que vc quer um botão redondo, e isso parece dificil.. bom aqui tem
>> um exemplo de um botão
>> feito atravez de um bitmap, qualquer bitmap vira um botão...
>> ele cria o efeito de Lighter, quando passa o mouse encima, Darker, quando
>> clica, acertei esta parte, comia um pedaçinho da imagem quando era justa,
>> Disabled, (essa eu implementei, ehehhehe), quando vc disabilita o botão...
>> talvez ajude...
>>
>> como não sabia o endereço postei o código....
>> se alguem gostar e implementar algo novo, posta ai....
>>
>> Luiz Escobar
>>
>>
>>
>> //==============================================================
>> //jvBitmapButton.pas
>> // versão 2.1c modify by Luiz Escobar
>> //---------------------------------------------------------------------------------------------------------------
>> unit jvBitmapButton;
>>
>> interface
>>
>> uses
>> Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs;
>>
>> type
>> TjvBitmapButton = class(TGraphicControl)
>> private
>> FBitmap: TBitmap;
>> FLighter: TBitmap;
>> FDarker: Tbitmap;
>> FDisabled: Tbitmap; // by Luiz Escobar
>> FPushDown:boolean;
>> FMouseOver:boolean;
>> FLatching: boolean;
>> FDown: boolean;
>> FHotTrack: boolean;
>> Fenable: boolean; // by Luiz Escobar
>> procedure SetBitmap(const Value: TBitmap);
>> procedure MakeDarker;
>> procedure MakeLighter;
>> procedure MakeDisabled; // by Luiz Escobar
>> procedure SetLatching(const Value: boolean);
>> procedure SetDown(const Value: boolean);
>> procedure SetHotTrack(const Value: boolean);
>> function GetEnabled : Boolean; // by Luiz Escobar
>> procedure SetEnabled( const Value: boolean); // by Luiz Escobar
>> { Private declarations }
>> protected
>> { Protected declarations }
>> procedure MouseDown(Button: TMouseButton; Shift: TShiftState; X, Y:
>> Integer);override;
>> procedure MouseUp(Button: TMouseButton; Shift: TShiftState; X, Y:
>> Integer);override;
>> procedure MouseMove(Shift: TShiftState; X, Y: Integer);override;
>> procedure Click;override;
>> procedure CMMouseLeave(var Message:TMessage); message CM_MouseLeave;
>> procedure Loaded;override;
>> procedure Resize;override;
>> public
>> { Public declarations }
>> constructor Create(AOwner:TComponent);override;
>> destructor Destroy;override;
>> procedure Paint; override;
>> published
>> { Published declarations }
>> property Bitmap:TBitmap read FBitmap write SetBitmap;
>> property Down:boolean read FDown write SetDown;
>> property Latching:boolean read FLatching write SetLatching;
>> property HotTrack:boolean read FHotTrack write SetHotTrack;
>> property Enable:boolean read GetEnabled write SetEnabled; // by Luiz
>> Escobar
>> property onclick;
>> property onmousedown;
>> property onmouseup;
>> end;
>>
>> procedure Register;
>>
>> implementation
>>
>> procedure Register;
>> begin
>> RegisterComponents('ESC_UTIL', [TjvBitmapButton]);
>> end;
>>
>> { TjvBitmapButton }
>>
>> function TjvBitmapButton.GetEnabled: boolean; // by Luiz Escobar
>> begin
>> result := enabled;
>> end;
>>
>> procedure TjvBitmapButton.SetEnabled( const Value : boolean ); // by Luiz
>> Escobar
>> begin
>> enabled := value;
>> fenable := enabled;
>> Paint;
>> end ;
>>
>> procedure TjvBitmapButton.Click;
>> begin
>> inherited;
>> if FPushDown then
>> if assigned(onclick) then
>> onclick(self);
>> end;
>>
>> constructor TjvBitmapButton.Create(AOwner: TComponent);
>> begin
>> inherited;
>> width:=24;
>> height:=24;
>> FPushDown:=false;
>> FMouseOver:=false;
>> FLatching:=false;
>> FHotTrack:=true;
>> FDown:=false;
>> FBitmap:=TBitmap.create;
>> Fbitmap.width:=24;
>> Fbitmap.Height:=24;
>> Fbitmap.canvas.brush.color:=clgray;
>> FBitmap.canvas.FillRect (rect(1,1,23,23));
>> FLighter:=Tbitmap.create;
>> FDarker:=Tbitmap.create;
>> FDisabled:=Tbitmap.create; // by Luiz Escobar
>> Fenable := enabled; // by Luiz Escobar
>> end;
>>
>> destructor TjvBitmapButton.Destroy;
>> begin
>> FBitmap.free;
>> FLighter.free;
>> FDarker.free;
>> FDisabled.free; // by Luiz Escobar
>> inherited;
>> end;
>>
>> procedure TjvBitmapButton.MouseDown(Button: TMouseButton;
>> Shift: TShiftState; X, Y: Integer);
>> begin
>> inherited;
>> if FBitmap.canvas.pixels[x,y]<>Fbitmap.canvas.pixels[0,FBitmap.height-1]
>> then
>> FPushDown:=true
>> else
>> FPushDown:=false;
>> Paint;
>> if assigned(onmousedown) then
>> onmousedown(self,button,shift,x,y);
>> end;
>>
>> procedure TjvBitmapButton.MouseUp(Button: TMouseButton; Shift:
>> TShiftState;
>> X, Y: Integer);
>> begin
>> inherited;
>> FPushDown:=false;
>> if Latching then
>> FDown:= not FDown
>> else
>> FDown:=false;
>> Paint;
>> if assigned(onmouseup) then
>> onmouseup(self,button,shift,x,y);
>> end;
>>
>> procedure TjvBitmapButton.Paint;
>> var Acolor:TColor;
>> begin
>> inherited;
>> if assigned(FBitmap) then
>> begin
>> AColor:=FBitmap.canvas.pixels[0,FBitmap.height-1];
>> Fbitmap.transparent:=true;
>> Fbitmap.transparentcolor:=Acolor;
>> FLighter.transparent:=true;
>> Flighter.TransparentColor :=AColor;
>> FDarker.transparent:=true;
>> FDarker.TransparentColor :=AColor;
>> AColor:=FDisabled.canvas.pixels[0,FDisabled.height-1];
>> FDisabled.transparent:=true;
>> FDisabled.TransparentColor :=AColor;
>> if enabled then begin // by Luiz Escobar
>> if FPushdown then begin
>> canvas.draw(1,1,FDarker)
>> end else begin
>> if Down then
>> canvas.Draw(1,1,FDarker)
>> else if (FMouseOver and FHotTrack) then
>> canvas.draw(0,0,FLighter)
>> else canvas.Draw (0,0,FBitmap);
>> end;
>> end else canvas.Draw(0,0,FDisabled); // by Luiz Escobar
>> end;
>> end;
>>
>> procedure TjvBitmapButton.SetBitmap(const Value: TBitmap);
>> begin
>> FBitmap.assign(Value);
>> FBitmap.transparent:=true;
>> FBitmap.TransparentColor :=FBitmap.Canvas.pixels[0,FBitmap.Height-1];
>> width:=FBitmap.Width ;
>> height:=FBitmap.Height ;
>> MakeLighter;
>> MakeDarker;
>> MakeDisabled;
>> end;
>>
>> procedure TjvBitmapButton.MakeDisabled; // procedure by Luiz Escobar
>> var
>> c, x, y: Integer;
>> PxlColor: TColor;
>> R: TRect;
>> Offset, Flags: Integer;
>> DrawPressed: Boolean;
>> Image: TBitmap;
>> Bitmap: TBitmap;
>> begin
>> FDisabled.Width := FBitmap.Width;
>> FDisabled.Height := FBitmap.Height;
>> FDisabled.PixelFormat := FBitmap.PixelFormat;
>> FDisabled.Assign( FBitmap );
>> for x := 0 to FBitmap.Width - 1 do
>> for y := 0 to FBitmap.Height - 1 do
>> begin
>> PxlColor := ColorToRGB(FBitmap.Canvas.Pixels[x, y]);
>> c := Round((((PxlColor shr 16) + ((PxlColor shr 8) and $00FF) +
>> (PxlColor and $0000FF)) div 3)) div 2 + 96;
>> FDisabled.Canvas.Pixels[x, y] := RGB(c, c, c);
>> end;
>>
>> end;
>>
>> procedure TjvBitmapButton.MakeLighter;
>> var p1,p2:Pbytearray;
>> x,y:integer;
>> rt,gt,bt:byte;
>> r,g,b:byte;
>> AColor:TColor;
>> begin
>> FLighter.Width :=FBitmap.Width ;
>> FLighter.Height :=FBitmap.height;
>> Acolor:=colortorgb(FBitmap.canvas.pixels[0,FBitmap.height-1]);
>> rt:=GetRValue(Acolor);
>> gt:=GetGValue(AColor);
>> bt:=getBValue(AColor);
>> FBitmap.PixelFormat :=pf24bit;
>> FLighter.PixelFormat :=pf24bit;
>> for y:=0 to Fbitmap.height-1 do
>> begin
>> p1:=Fbitmap.ScanLine [y];
>> p2:=FLighter.ScanLine [y];
>> for x:=0 to FBitmap.width-1 do
>> begin
>> if (p1[x*3]=bt)and (p1[x*3+1]=gt)and (p1[x*3+2]=rt) then
>> begin
>> p2[x*3]:=p1[x*3];
>> p2[x*3+1]:=p1[x*3+1];
>> p2[x*3+2]:=p1[x*3+2];
>> end
>> else
>> begin
>> p2[x*3]:=$FF-round(0.8*abs($FF-p1[x*3]));
>> p2[x*3+1]:=$FF-round(0.8*abs($FF-p1[x*3+1]));
>> p2[x*3+2]:=$FF-round(0.8*abs($FF-p1[x*3+2]));
>> end;
>> end;
>> end;
>> end;
>>
>> procedure TjvBitmapButton.MakeDarker;
>> var p1,p2:Pbytearray;
>> x,y:integer;
>> rt,gt,bt:byte;
>> r,g,b:byte;
>> AColor:TColor;
>> begin
>> FDarker.Width :=FBitmap.Width ;
>> FDarker.Height :=FBitmap.height;
>> Acolor:=colortorgb(FBitmap.canvas.pixels[0,FBitmap.height-1]);
>> rt:=GetRValue(Acolor);
>> gt:=GetGValue(AColor);
>> bt:=getBValue(AColor);
>> FBitmap.PixelFormat :=pf24bit;
>> FDarker.PixelFormat :=pf24bit;
>> for y:=0 to Fbitmap.height-1 do
>> begin
>> p1:=Fbitmap.ScanLine [y];
>> p2:=FDarker.ScanLine [y];
>> for x:=0 to FBitmap.width-1 do
>> begin
>> if (p1[x*3]=bt)and (p1[x*3+1]=gt)and (p1[x*3+2]=rt) then
>> begin
>> p2[x*3]:=p1[x*3];
>> p2[x*3+1]:=p1[x*3+1];
>> p2[x*3+2]:=p1[x*3+2];
>> end
>> else
>> begin
>> p2[x*3]:=round(0.7*p1[x*3]);
>> p2[x*3+1]:=round(0.7*p1[x*3+1]);
>> p2[x*3+2]:=round(0.7*p1[x*3+2]);
>> end
>> end;
>> end;
>> end;
>>
>>
>>
>>
>> procedure TjvBitmapButton.CMMouseLeave(var Message: TMessage);
>> begin
>> FMouseOver:=false;
>> Paint;
>> end;
>>
>> procedure TjvBitmapButton.Loaded;
>> begin
>> inherited;
>> if not FBitmap.Empty then
>> begin
>> MakeDarker;
>> MakeLighter;
>> MakeDisabled;
>> end;
>> end;
>>
>> procedure TjvBitmapButton.SetLatching(const Value: boolean);
>> begin
>> FLatching := Value;
>> if not FLatching then
>> begin
>> FDown:=false;
>> paint;
>> end;
>> end;
>>
>> procedure TjvBitmapButton.SetDown(const Value: boolean);
>> begin
>> if FLatching then
>> begin
>> FDown := Value;
>> paint;
>> end
>> else
>> begin
>> FDown:=false;
>> paint;
>> end;
>> end;
>>
>> procedure TjvBitmapButton.Resize;
>> begin
>> inherited;
>> if assigned(Fbitmap) then
>> begin
>> width:=FBitmap.width+1;
>> height:=FBitmap.Height+1;
>> end
>> else
>> begin
>> width:=24;
>> height:=24;
>> end;
>> end;
>>
>>
>> procedure TjvBitmapButton.SetHotTrack(const Value: boolean);
>> begin
>> FHotTrack := Value;
>> end;
>>
>> procedure TjvBitmapButton.MouseMove(Shift: TShiftState; X, Y: Integer);
>> var Value:boolean;
>> begin
>> inherited;
>> Value:=
>> FBitmap.canvas.pixels[x,y]<>Fbitmap.canvas.pixels[0,FBitmap.height-1];
>> if value<>FMouseOver then
>> begin
>> FMouseOver:=value;
>> Paint;
>> end;
>> if assigned(onmousemove) then
>> onmousemove(self,shift,x,y);
>> end;
>>
>> end.
>>
>>
>>
>> --
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