mirror of
https://gitlab.com/freepascal.org/lazarus/lazarus.git
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149 lines
3.9 KiB
ObjectPascal
149 lines
3.9 KiB
ObjectPascal
{
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/***************************************************************************
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Splash.pp
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---------
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***************************************************************************/
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***************************************************************************
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* *
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* This source is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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* This code is distributed in the hope that it will be useful, but *
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* WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
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* General Public License for more details. *
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* *
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* A copy of the GNU General Public License is available on the World *
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* Wide Web at <http://www.gnu.org/copyleft/gpl.html>. You can also *
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* obtain it by writing to the Free Software Foundation, *
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* Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1335, USA. *
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* *
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***************************************************************************
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}
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unit Splash;
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{$mode objfpc}{$H+}
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interface
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uses
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Buttons,
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Classes,
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Controls,
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ExtCtrls,
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Forms,
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Graphics,
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LResources,
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SysUtils,
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LazConf;
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type
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{ TSplashForm }
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TSplashForm = class(TForm)
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Image: TImage;
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procedure ApplicationOnIdle(Sender: TObject; var {%H-}Done: boolean);
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procedure ImagePaint(Sender: TObject);
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private
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procedure LoadSplash;
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public
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constructor Create(AOwner: TComponent); override;
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destructor Destroy; override;
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procedure Show;
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end;
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var
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SplashForm: TSplashForm;
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implementation
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uses
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GraphUtil;
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{$R *.lfm}
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{$R ../images/splash_logo.res}
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const
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VersionStyle: TTextStyle =
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(
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Alignment : taCenter;
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Layout : tlCenter;
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SingleLine : True;
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Clipping : True;
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ExpandTabs : False;
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ShowPrefix : False;
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Wordbreak : False;
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Opaque : False;
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SystemFont : False;
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RightToLeft: False;
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EndEllipsis: False;
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);
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VersionFontStyle: TFontStyles = [fsBold];
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VersionFontColor: TColor = clBlue;
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constructor TSplashForm.Create(AOwner: TComponent);
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begin
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inherited Create(AOwner);
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Application.AddOnIdleHandler(@ApplicationOnIdle);
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end;
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destructor TSplashForm.Destroy;
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begin
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Application.RemoveOnIdleHandler(@ApplicationOnIdle);
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inherited Destroy;
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SplashForm := nil;
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end;
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procedure TSplashForm.ApplicationOnIdle(Sender: TObject; var Done: boolean);
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begin
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Hide;
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end;
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procedure TSplashForm.ImagePaint(Sender: TObject);
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var
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ATextRect: TRect;
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begin
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// GetLazarusVersionString is too long => use LazarusVersionStr
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ATextRect := Rect(
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Image.Left,
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Image.Height - Image.Canvas.TextHeight('Hg')*5 div 4,
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Image.Width,
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Image.Height);
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Image.Canvas.Font.Style := VersionFontStyle;
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Image.Canvas.Font.Color := VersionFontColor;
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Image.Canvas.TextRect(ATextRect, ATextRect.Left, ATextRect.Top, LazarusVersionStr, VersionStyle);
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end;
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procedure TSplashForm.LoadSplash;
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var
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pic: TPicture;
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begin
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pic := TPicture.Create;
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try
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pic.LoadFromResourceName(hInstance, 'splash_logo', TPortableNetworkGraphic);
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Width := round(Height * pic.Width / pic.Height);
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Image.Picture.Bitmap.SetSize(Width, Height);
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AntiAliasedStretchDrawBitmap(pic.Bitmap, Image.Picture.Bitmap, Width, Height);
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finally
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pic.Free;
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end;
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end;
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procedure TSplashForm.Show;
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begin
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inherited;
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LoadSplash;
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end;
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end.
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