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chore(windows): move global/delphi/visualkeyboard to common
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270 changes: 135 additions & 135 deletions
270
...alkeyboard/VisualKeyboardLoaderBinary.pas → ...alkeyboard/VisualKeyboardLoaderBinary.pas
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,135 +1,135 @@ | ||
| unit VisualKeyboardLoaderBinary; | ||
|
|
||
| interface | ||
|
|
||
| uses | ||
| System.SysUtils, | ||
| System.Classes, | ||
| Vcl.Graphics, | ||
| Winapi.Windows, | ||
|
|
||
| VisualKeyboard; | ||
|
|
||
| // | ||
| // This originated with the TVisualKeyboardImportXML code but has now diverged for | ||
| // UI-clean single-file round-trippable consistency. | ||
| // | ||
|
|
||
| type | ||
| EVisualKeyboardLoaderBinary = class(EVisualKeyboardLoader); | ||
|
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| TVisualKeyboardLoaderBinary = class(TVisualKeyboardLoader) | ||
| private | ||
| procedure LoadKey(Key: TVisualKeyboardKey; Stream: TStream); | ||
| procedure LoadHeader(Header: TVisualKeyboardHeader; Stream: TStream); | ||
| function ReadBitmap(Stream: TStream): Vcl.Graphics.TBitmap; | ||
| procedure ReadFont(Stream: TStream; FFont: TFont); | ||
| procedure LoadKeys(Keys: TVisualKeyboardKeyList; Stream: TStream); | ||
| function ReadString(Stream: TStream): string; | ||
| public | ||
| procedure LoadFromStream(Stream: TStream); override; | ||
| end; | ||
|
|
||
| implementation | ||
|
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| { TVisualKeyboardLoaderBinary } | ||
|
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| function TVisualKeyboardLoaderBinary.ReadString(Stream: TStream): string; | ||
| var | ||
| w: Word; | ||
| str: string; | ||
| begin | ||
| Stream.Read(w, sizeof(w)); | ||
| SetLength(str, w); | ||
| Stream.Read(PChar(str)^, w*2); | ||
| // The string read is a C-style null terminated string. We need | ||
| // to remove the null character because Pascal strings don't | ||
| // use null termination in the same way. Best way to do this is | ||
| // to cast it as a C-style string, which reliably terminates at | ||
| // first null byte. | ||
| Result := PWideChar(str); | ||
| end; | ||
|
|
||
| procedure TVisualKeyboardLoaderBinary.ReadFont(Stream: TStream; FFont: TFont); | ||
| var | ||
| n: Integer; | ||
| begin | ||
| FFont.Name := ReadString(Stream); | ||
| Stream.Read(n, sizeof(n)); | ||
| FFont.Size := n; | ||
| Stream.Read(n, sizeof(n)); | ||
| FFont.Color := TColor(n); | ||
| end; | ||
|
|
||
| function TVisualKeyboardLoaderBinary.ReadBitmap(Stream: TStream): Vcl.Graphics.TBitmap; | ||
| var | ||
| n: DWord; | ||
| mem: TMemoryStream; | ||
| begin | ||
| Stream.Read(n, Sizeof(n)); | ||
| if n > 0 then | ||
| begin | ||
| mem := TMemoryStream.Create; | ||
| try | ||
| mem.CopyFrom(Stream, n); | ||
| mem.Position := 0; | ||
| Result := Vcl.Graphics.TBitmap.Create; | ||
| Result.LoadFromStream(mem); | ||
| finally | ||
| mem.Free; | ||
| end; | ||
| end | ||
| else | ||
| Result := nil; | ||
| end; | ||
|
|
||
| procedure TVisualKeyboardLoaderBinary.LoadHeader(Header: TVisualKeyboardHeader; Stream: TStream); | ||
| var | ||
| ch: array[0..4] of ansichar; // I3310 | ||
| version: Integer; | ||
| f: TVisualKeyboardHeaderFlags; | ||
| begin | ||
| Stream.Read(ch, 4); ch[4] := #0; | ||
| if ch <> 'KVKF' then raise EVisualKeyboardLoader.Create('Not a valid Keyman Visual Keyboard File'); | ||
| Stream.Read(version, 4); | ||
| if version <> $0600 then raise EVisualKeyboardLoader.Create('Version number not recognised'); | ||
|
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| Stream.Read(f, sizeof(f)); Header.Flags := f; | ||
| Header.AssociatedKeyboard := ReadString(Stream); | ||
| ReadFont(Stream, Header.ANSIFont); | ||
| ReadFont(Stream, Header.UnicodeFont); | ||
| end; | ||
|
|
||
| procedure TVisualKeyboardLoaderBinary.LoadKeys(Keys: TVisualKeyboardKeyList; Stream: TStream); | ||
| var | ||
| i, n: Integer; | ||
| item: TVisualKeyboardKey; | ||
| begin | ||
| Stream.Read(n, Sizeof(n)); | ||
| for i := 0 to n - 1 do | ||
| begin | ||
| item := TVisualKeyboardKey.Create; | ||
| LoadKey(item, Stream); | ||
| Keys.Add(item); | ||
| end; | ||
| end; | ||
|
|
||
| procedure TVisualKeyboardLoaderBinary.LoadKey(Key: TVisualKeyboardKey; Stream: TStream); | ||
| var | ||
| Flags: TVisualKeyboardKeyFlags; | ||
| Shift, VKey: Word; | ||
| begin | ||
| Stream.Read(Flags, sizeof(Flags)); Key.Flags := Flags; | ||
| Stream.Read(Shift, sizeof(Shift)); Key.Shift := Shift; | ||
| Stream.Read(VKey, sizeof(VKey)); Key.VKey := VKey; | ||
| Key.Text := ReadString(Stream); | ||
| Key.Bitmap := ReadBitmap(Stream); | ||
| end; | ||
|
|
||
| procedure TVisualKeyboardLoaderBinary.LoadFromStream(Stream: TStream); | ||
| begin | ||
| LoadHeader(FKbd.Header, Stream); | ||
| LoadKeys(FKbd.Keys, Stream); | ||
| end; | ||
|
|
||
| end. | ||
| unit VisualKeyboardLoaderBinary; | ||
|
|
||
| interface | ||
|
|
||
| uses | ||
| System.SysUtils, | ||
| System.Classes, | ||
| Vcl.Graphics, | ||
| Winapi.Windows, | ||
|
|
||
| VisualKeyboard; | ||
|
|
||
| // | ||
| // This originated with the TVisualKeyboardImportXML code but has now diverged for | ||
| // UI-clean single-file round-trippable consistency. | ||
| // | ||
|
|
||
| type | ||
| EVisualKeyboardLoaderBinary = class(EVisualKeyboardLoader); | ||
|
|
||
| TVisualKeyboardLoaderBinary = class(TVisualKeyboardLoader) | ||
| private | ||
| procedure LoadKey(Key: TVisualKeyboardKey; Stream: TStream); | ||
| procedure LoadHeader(Header: TVisualKeyboardHeader; Stream: TStream); | ||
| function ReadBitmap(Stream: TStream): Vcl.Graphics.TBitmap; | ||
| procedure ReadFont(Stream: TStream; FFont: TFont); | ||
| procedure LoadKeys(Keys: TVisualKeyboardKeyList; Stream: TStream); | ||
| function ReadString(Stream: TStream): string; | ||
| public | ||
| procedure LoadFromStream(Stream: TStream); override; | ||
| end; | ||
|
|
||
| implementation | ||
|
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| { TVisualKeyboardLoaderBinary } | ||
|
|
||
| function TVisualKeyboardLoaderBinary.ReadString(Stream: TStream): string; | ||
| var | ||
| w: Word; | ||
| str: string; | ||
| begin | ||
| Stream.Read(w, sizeof(w)); | ||
| SetLength(str, w); | ||
| Stream.Read(PChar(str)^, w*2); | ||
| // The string read is a C-style null terminated string. We need | ||
| // to remove the null character because Pascal strings don't | ||
| // use null termination in the same way. Best way to do this is | ||
| // to cast it as a C-style string, which reliably terminates at | ||
| // first null byte. | ||
| Result := PWideChar(str); | ||
| end; | ||
|
|
||
| procedure TVisualKeyboardLoaderBinary.ReadFont(Stream: TStream; FFont: TFont); | ||
| var | ||
| n: Integer; | ||
| begin | ||
| FFont.Name := ReadString(Stream); | ||
| Stream.Read(n, sizeof(n)); | ||
| FFont.Size := n; | ||
| Stream.Read(n, sizeof(n)); | ||
| FFont.Color := TColor(n); | ||
| end; | ||
|
|
||
| function TVisualKeyboardLoaderBinary.ReadBitmap(Stream: TStream): Vcl.Graphics.TBitmap; | ||
| var | ||
| n: DWord; | ||
| mem: TMemoryStream; | ||
| begin | ||
| Stream.Read(n, Sizeof(n)); | ||
| if n > 0 then | ||
| begin | ||
| mem := TMemoryStream.Create; | ||
| try | ||
| mem.CopyFrom(Stream, n); | ||
| mem.Position := 0; | ||
| Result := Vcl.Graphics.TBitmap.Create; | ||
| Result.LoadFromStream(mem); | ||
| finally | ||
| mem.Free; | ||
| end; | ||
| end | ||
| else | ||
| Result := nil; | ||
| end; | ||
|
|
||
| procedure TVisualKeyboardLoaderBinary.LoadHeader(Header: TVisualKeyboardHeader; Stream: TStream); | ||
| var | ||
| ch: array[0..4] of ansichar; // I3310 | ||
| version: Integer; | ||
| f: TVisualKeyboardHeaderFlags; | ||
| begin | ||
| Stream.Read(ch, 4); ch[4] := #0; | ||
| if ch <> 'KVKF' then raise EVisualKeyboardLoader.Create('Not a valid Keyman Visual Keyboard File'); | ||
| Stream.Read(version, 4); | ||
| if version <> $0600 then raise EVisualKeyboardLoader.Create('Version number not recognised'); | ||
|
|
||
| Stream.Read(f, sizeof(f)); Header.Flags := f; | ||
| Header.AssociatedKeyboard := ReadString(Stream); | ||
| ReadFont(Stream, Header.ANSIFont); | ||
| ReadFont(Stream, Header.UnicodeFont); | ||
| end; | ||
|
|
||
| procedure TVisualKeyboardLoaderBinary.LoadKeys(Keys: TVisualKeyboardKeyList; Stream: TStream); | ||
| var | ||
| i, n: Integer; | ||
| item: TVisualKeyboardKey; | ||
| begin | ||
| Stream.Read(n, Sizeof(n)); | ||
| for i := 0 to n - 1 do | ||
| begin | ||
| item := TVisualKeyboardKey.Create; | ||
| LoadKey(item, Stream); | ||
| Keys.Add(item); | ||
| end; | ||
| end; | ||
|
|
||
| procedure TVisualKeyboardLoaderBinary.LoadKey(Key: TVisualKeyboardKey; Stream: TStream); | ||
| var | ||
| Flags: TVisualKeyboardKeyFlags; | ||
| Shift, VKey: Word; | ||
| begin | ||
| Stream.Read(Flags, sizeof(Flags)); Key.Flags := Flags; | ||
| Stream.Read(Shift, sizeof(Shift)); Key.Shift := Shift; | ||
| Stream.Read(VKey, sizeof(VKey)); Key.VKey := VKey; | ||
| Key.Text := ReadString(Stream); | ||
| Key.Bitmap := ReadBitmap(Stream); | ||
| end; | ||
|
|
||
| procedure TVisualKeyboardLoaderBinary.LoadFromStream(Stream: TStream); | ||
| begin | ||
| LoadHeader(FKbd.Header, Stream); | ||
| LoadKeys(FKbd.Keys, Stream); | ||
| end; | ||
|
|
||
| end. |
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This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
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