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authorbrunzelchen <brunzelchen@b956fd51-792f-4845-bead-9b4dfca2ff2c>2010-05-24 13:37:22 +0000
committerbrunzelchen <brunzelchen@b956fd51-792f-4845-bead-9b4dfca2ff2c>2010-05-24 13:37:22 +0000
commit4dc8f0ba4f47191fdaefad5c6d42b255d0bbc435 (patch)
treebd38163c7c1684d2ca07afbe5b0a03674ea4e0c3 /VideoPreview/src/lib/SQLite/example
parent41e165cc8feebe6e4701f997c80e7722dd7c990c (diff)
downloadusdx-4dc8f0ba4f47191fdaefad5c6d42b255d0bbc435.tar.gz
usdx-4dc8f0ba4f47191fdaefad5c6d42b255d0bbc435.tar.xz
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branch to merge video preview in song menu
git-svn-id: svn://svn.code.sf.net/p/ultrastardx/svn/branches/experimental@2411 b956fd51-792f-4845-bead-9b4dfca2ff2c
Diffstat (limited to 'VideoPreview/src/lib/SQLite/example')
-rw-r--r--VideoPreview/src/lib/SQLite/example/Sunset.jpgbin0 -> 71189 bytes
-rw-r--r--VideoPreview/src/lib/SQLite/example/TestSqlite.dpr15
-rw-r--r--VideoPreview/src/lib/SQLite/example/TestSqlite.resbin0 -> 876 bytes
-rw-r--r--VideoPreview/src/lib/SQLite/example/uTestSqlite.dfm110
-rw-r--r--VideoPreview/src/lib/SQLite/example/uTestSqlite.pas233
5 files changed, 358 insertions, 0 deletions
diff --git a/VideoPreview/src/lib/SQLite/example/Sunset.jpg b/VideoPreview/src/lib/SQLite/example/Sunset.jpg
new file mode 100644
index 00000000..860f6eec
--- /dev/null
+++ b/VideoPreview/src/lib/SQLite/example/Sunset.jpg
Binary files differ
diff --git a/VideoPreview/src/lib/SQLite/example/TestSqlite.dpr b/VideoPreview/src/lib/SQLite/example/TestSqlite.dpr
new file mode 100644
index 00000000..596a3a04
--- /dev/null
+++ b/VideoPreview/src/lib/SQLite/example/TestSqlite.dpr
@@ -0,0 +1,15 @@
+program TestSqlite;
+
+uses
+ Forms,
+ uTestSqlite in 'uTestSqlite.pas' {Form1},
+ SQLiteTable3 in 'SQLiteTable3.pas',
+ SQLite3 in 'SQLite3.pas';
+
+{$R *.res}
+
+begin
+ Application.Initialize;
+ Application.CreateForm(TForm1, Form1);
+ Application.Run;
+end.
diff --git a/VideoPreview/src/lib/SQLite/example/TestSqlite.res b/VideoPreview/src/lib/SQLite/example/TestSqlite.res
new file mode 100644
index 00000000..4bdd5e2e
--- /dev/null
+++ b/VideoPreview/src/lib/SQLite/example/TestSqlite.res
Binary files differ
diff --git a/VideoPreview/src/lib/SQLite/example/uTestSqlite.dfm b/VideoPreview/src/lib/SQLite/example/uTestSqlite.dfm
new file mode 100644
index 00000000..6b4a2aaf
--- /dev/null
+++ b/VideoPreview/src/lib/SQLite/example/uTestSqlite.dfm
@@ -0,0 +1,110 @@
+object Form1: TForm1
+ Left = 199
+ Top = 280
+ Width = 541
+ Height = 308
+ Caption = 'Test SQLite 3'
+ Color = clBtnFace
+ Font.Charset = DEFAULT_CHARSET
+ Font.Color = clWindowText
+ Font.Height = -11
+ Font.Name = 'MS Sans Serif'
+ Font.Style = []
+ OldCreateOrder = False
+ PixelsPerInch = 96
+ TextHeight = 13
+ object Label1: TLabel
+ Left = 24
+ Top = 104
+ Width = 28
+ Height = 13
+ Caption = 'Notes'
+ end
+ object Label2: TLabel
+ Left = 24
+ Top = 44
+ Width = 28
+ Height = 13
+ Caption = 'Name'
+ end
+ object Label3: TLabel
+ Left = 24
+ Top = 72
+ Width = 40
+ Height = 13
+ Caption = 'Number:'
+ end
+ object Label4: TLabel
+ Left = 24
+ Top = 12
+ Width = 11
+ Height = 13
+ Caption = 'ID'
+ end
+ object Image1: TImage
+ Left = 272
+ Top = 12
+ Width = 241
+ Height = 165
+ Proportional = True
+ Stretch = True
+ end
+ object btnTest: TButton
+ Left = 24
+ Top = 224
+ Width = 161
+ Height = 37
+ Caption = 'Test SQLite 3'
+ TabOrder = 0
+ OnClick = btnTestClick
+ end
+ object memNotes: TMemo
+ Left = 24
+ Top = 124
+ Width = 185
+ Height = 89
+ Lines.Strings = (
+ '')
+ ScrollBars = ssVertical
+ TabOrder = 1
+ end
+ object ebName: TEdit
+ Left = 72
+ Top = 40
+ Width = 173
+ Height = 21
+ TabOrder = 2
+ end
+ object ebNumber: TEdit
+ Left = 72
+ Top = 68
+ Width = 173
+ Height = 21
+ TabOrder = 3
+ end
+ object ebID: TEdit
+ Left = 72
+ Top = 12
+ Width = 173
+ Height = 21
+ TabOrder = 4
+ end
+ object btnLoadImage: TButton
+ Left = 192
+ Top = 224
+ Width = 157
+ Height = 37
+ Caption = 'Load image'
+ TabOrder = 5
+ OnClick = btnLoadImageClick
+ end
+ object btnDisplayImage: TButton
+ Left = 360
+ Top = 224
+ Width = 157
+ Height = 37
+ Caption = 'Display image'
+ TabOrder = 6
+ OnClick = btnDisplayImageClick
+ end
+end
diff --git a/VideoPreview/src/lib/SQLite/example/uTestSqlite.pas b/VideoPreview/src/lib/SQLite/example/uTestSqlite.pas
new file mode 100644
index 00000000..484be71c
--- /dev/null
+++ b/VideoPreview/src/lib/SQLite/example/uTestSqlite.pas
@@ -0,0 +1,233 @@
+unit uTestSqlite;
+
+interface
+
+uses
+ Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
+ Dialogs, StdCtrls,SQLiteTable3, ExtCtrls, jpeg;
+
+type
+ TForm1 = class(TForm)
+ btnTest: TButton;
+ memNotes: TMemo;
+ Label1: TLabel;
+ Label2: TLabel;
+ ebName: TEdit;
+ Label3: TLabel;
+ ebNumber: TEdit;
+ Label4: TLabel;
+ ebID: TEdit;
+ Image1: TImage;
+ btnLoadImage: TButton;
+ btnDisplayImage: TButton;
+ procedure btnTestClick(Sender: TObject);
+ procedure btnLoadImageClick(Sender: TObject);
+ procedure btnDisplayImageClick(Sender: TObject);
+ private
+ { Private declarations }
+ public
+ { Public declarations }
+ end;
+
+var
+ Form1: TForm1;
+
+implementation
+
+{$R *.dfm}
+
+procedure TForm1.btnTestClick(Sender: TObject);
+var
+slDBpath: string;
+sldb: TSQLiteDatabase;
+sltb: TSQLIteTable;
+sSQL: String;
+Notes: String;
+
+begin
+
+slDBPath := ExtractFilepath(application.exename)
++ 'test.db';
+
+sldb := TSQLiteDatabase.Create(slDBPath);
+try
+
+if sldb.TableExists('testTable') then begin
+sSQL := 'DROP TABLE testtable';
+sldb.execsql(sSQL);
+end;
+
+sSQL := 'CREATE TABLE testtable ([ID] INTEGER PRIMARY KEY,[OtherID] INTEGER NULL,';
+sSQL := sSQL + '[Name] VARCHAR (255),[Number] FLOAT, [notes] BLOB, [picture] BLOB COLLATE NOCASE);';
+
+sldb.execsql(sSQL);
+
+sldb.execsql('CREATE INDEX TestTableName ON [testtable]([Name]);');
+
+//begin a transaction
+sldb.BeginTransaction;
+
+sSQL := 'INSERT INTO testtable(Name,OtherID,Number,Notes) VALUES ("Some Name",4,587.6594,"Here are some notes");';
+//do the insert
+sldb.ExecSQL(sSQL);
+
+sSQL := 'INSERT INTO testtable(Name,OtherID,Number,Notes) VALUES ("Another Name",12,4758.3265,"More notes");';
+//do the insert
+sldb.ExecSQL(sSQL);
+
+//end the transaction
+sldb.Commit;
+
+//query the data
+sltb := slDb.GetTable('SELECT * FROM testtable');
+try
+
+if sltb.Count > 0 then
+begin
+//display first row
+
+ebName.Text := sltb.FieldAsString(sltb.FieldIndex['Name']);
+ebID.Text := inttostr(sltb.FieldAsInteger(sltb.FieldIndex['ID']));
+ebNumber.Text := floattostr( sltb.FieldAsDouble(sltb.FieldIndex['Number']));
+Notes := sltb.FieldAsBlobText(sltb.FieldIndex['Notes']);
+memNotes.Text := notes;
+
+end;
+
+finally
+sltb.Free;
+end;
+
+finally
+sldb.Free;
+
+end;
+
+end;
+
+procedure TForm1.btnLoadImageClick(Sender: TObject);
+var
+slDBpath: string;
+sldb: TSQLiteDatabase;
+sltb: TSQLIteTable;
+iID: integer;
+fs: TFileStream;
+
+begin
+
+slDBPath := ExtractFilepath(application.exename)
++ 'test.db';
+
+if not FileExists(slDBPath) then begin
+MessageDLg('Test.db does not exist. Click Test Sqlite 3 to create it.',mtInformation,[mbOK],0);
+exit;
+end;
+
+sldb := TSQLiteDatabase.Create(slDBPath);
+try
+
+//get an ID
+//query the data
+sltb := slDb.GetTable('SELECT ID FROM testtable');
+try
+
+if sltb.Count = 0 then begin
+MessageDLg('There are no rows in the database. Click Test Sqlite 3 to insert a row.',mtInformation,[mbOK],0);
+exit;
+end;
+
+iID := sltb.FieldAsInteger(sltb.FieldIndex['ID']);
+
+finally
+sltb.Free;
+end;
+
+//load an image
+fs := TFileStream.Create(ExtractFileDir(application.ExeName) + '\sunset.jpg',fmOpenRead);
+try
+
+//insert the image into the db
+sldb.UpdateBlob('UPDATE testtable set picture = ? WHERE ID = ' + inttostr(iID),fs);
+
+finally
+fs.Free;
+end;
+
+finally
+sldb.Free;
+
+end;
+
+end;
+
+procedure TForm1.btnDisplayImageClick(Sender: TObject);
+var
+slDBpath: string;
+sldb: TSQLiteDatabase;
+sltb: TSQLIteTable;
+iID: integer;
+ms: TMemoryStream;
+pic: TJPegImage;
+
+begin
+
+slDBPath := ExtractFilepath(application.exename)
++ 'test.db';
+
+if not FileExists(slDBPath) then begin
+MessageDLg('Test.db does not exist. Click Test Sqlite 3 to create it, then Load image to load an image.',mtInformation,[mbOK],0);
+exit;
+end;
+
+sldb := TSQLiteDatabase.Create(slDBPath);
+try
+
+//get an ID
+//query the data
+sltb := slDb.GetTable('SELECT ID FROM testtable');
+try
+
+if not sltb.Count = 0 then begin
+MessageDLg('No rows in the test database. Click Test Sqlite 3 to insert a row, then Load image to load an image.',mtInformation,[mbOK],0);
+exit;
+end;
+
+iID := sltb.FieldAsInteger(sltb.FieldIndex['ID']);
+
+finally
+sltb.Free;
+end;
+
+sltb := sldb.GetTable('SELECT picture FROM testtable where ID = ' + inttostr(iID));
+try
+
+ms := sltb.FieldAsBlob(sltb.FieldIndex['picture']);
+//note that the memory stream is freed when the TSqliteTable is destroyed.
+
+if (ms = nil) then begin
+MessageDLg('No image in the test database. Click Load image to load an image.',mtInformation,[mbOK],0);
+exit;
+end;
+
+ms.Position := 0;
+
+pic := TJPEGImage.Create;
+pic.LoadFromStream(ms);
+
+self.Image1.Picture.Graphic := pic;
+
+pic.Free;
+
+finally
+sltb.Free;
+end;
+
+finally
+sldb.Free;
+
+end;
+
+
+end;
+
+end.