source: cprs/branches/GUI-config/AboutU.pas@ 481

Last change on this file since 481 was 476, checked in by Kevin Toppenberg, 16 years ago

New WorldVistA Config Utility

File size: 2.9 KB
Line 
1unit AboutU;
2 (*
3 WorldVistA Configuration Utility
4 (c) 8/2008 Kevin Toppenberg
5 Programmed by Kevin Toppenberg, Eddie Hagood
6
7 Family Physicians of Greeneville, PC
8 1410 Tusculum Blvd, Suite 2600
9 Greeneville, TN 37745
10 kdtop@yahoo.com
11
12 This library is free software; you can redistribute it and/or
13 modify it under the terms of the GNU Lesser General Public
14 License as published by the Free Software Foundation; either
15 version 2.1 of the License, or (at your option) any later version.
16
17 This library is distributed in the hope that it will be useful,
18 but WITHOUT ANY WARRANTY; without even the implied warranty of
19 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
20 Lesser General Public License for more details.
21
22 You should have received a copy of the GNU Lesser General Public
23 License along with this library; if not, write to the Free Software
24 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
25 *)
26
27interface
28
29uses
30 Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
31 Dialogs, StdCtrls, jpeg, ExtCtrls;
32
33type
34 TAboutForm = class(TForm)
35 Image1: TImage;
36 Memo1: TMemo;
37 Timer1: TTimer;
38 procedure FormClick(Sender: TObject);
39 procedure Timer1Timer(Sender: TObject);
40 procedure FormShow(Sender: TObject);
41 private
42 { Private declarations }
43 FadeIn : boolean;
44 public
45 { Public declarations }
46 end;
47
48var
49 AboutForm: TAboutForm;
50
51implementation
52
53uses MainU;
54
55{$R *.dfm}
56
57 const MIN_ALPHA = 50;
58 TIMER_SPEED = 10;
59
60 procedure TAboutForm.FormClick(Sender: TObject);
61 begin
62 Timer1.Enabled := true;
63 FadeIn := false;
64 Timer1.Interval := TIMER_SPEED;
65 AboutForm.AlphaBlendValue := 255;
66 end;
67
68 procedure TAboutForm.Timer1Timer(Sender: TObject);
69 var i : integer;
70 const delta = 5;
71 begin
72 if FadeIn then begin
73 if AboutForm.AlphaBlendValue < 255 then begin
74 i := AboutForm.AlphaBlendValue;
75 i := i +delta;
76 if i > 255 then begin
77 i := 255;
78 Timer1.Enabled := false;
79 end;
80 AboutForm.AlphaBlendValue := i;
81 end else begin
82 Timer1.Enabled := false;
83 end;
84 end else begin
85 if AboutForm.AlphaBlendValue > MIN_ALPHA then begin
86 i := AboutForm.AlphaBlendValue;
87 i := i - delta;
88 if i < MIN_ALPHA then i := MIN_ALPHA;
89 AboutForm.AlphaBlendValue := i;
90 end else begin
91 Timer1.Enabled := false;
92 MainForm.Show;
93 Close;
94 end;
95 end;
96 end;
97
98 procedure TAboutForm.FormShow(Sender: TObject);
99 begin
100 MainForm.Hide;
101 Timer1.Enabled := true;
102 FadeIn := true;
103 Timer1.Interval := TIMER_SPEED;
104 AboutForm.AlphaBlendValue := MIN_ALPHA;
105 end;
106
107end.
108
Note: See TracBrowser for help on using the repository browser.