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{ Copyright (C) 2001 Juha Vehviläinen
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.}
unit fstextunit;
interface
uses
Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs,
mainunit, fsformunit, fsframeunit;
type
Tfstext = class(TFsForm)
procedure FormCreate(Sender: TObject);
private
{ Private declarations }
dest: TFsFrame;
x, y: Integer;
public
{ Public declarations }
procedure Parse(const S: String); override;
end;
var
fstext: Tfstext;
function ParsePenProperties(const Canvas: TCanvas; const S: String): Boolean;
implementation
{$R *.DFM}
uses
Strz;
function ParsePenProperties(const Canvas: TCanvas; const S: String): Boolean;
var
s1: String;
r, g, b: Integer;
begin
Result := False;
s1 := UpperCase(ExtractWord(1, S, [' ']));
if s1='PEN' then begin
if WordCount(S, [' '])<4 then
main.Post('Usage: PEN <r> <g> <b>')
else begin
r := MyStrToInt(ExtractWord(2, S, [' ']));
g := MyStrToInt(ExtractWord(3, S, [' ']));
b := MyStrToInt(ExtractWord(4, S, [' ']));
Canvas.Pen.Color := RGB(r, g, b);
end;
Result := True;
end else
if s1='BRUSH' then begin
if WordCount(S, [' '])<4 then
main.Post('Usage: BRUSH <r> <g> <b>')
else begin
r := MyStrToInt(ExtractWord(2, S, [' ']));
g := MyStrToInt(ExtractWord(3, S, [' ']));
b := MyStrToInt(ExtractWord(4, S, [' ']));
Canvas.Brush.Color := RGB(r, g, b);
end;
Result := True;
end else
if s1='COLOR' then begin
if WordCount(S, [' '])<4 then
main.Post('Usage: COLOR <r> <g> <b>')
else begin
r := MyStrToInt(ExtractWord(2, S, [' ']));
g := MyStrToInt(ExtractWord(3, S, [' ']));
b := MyStrToInt(ExtractWord(4, S, [' ']));
Canvas.Font.Color := RGB(r, g, b);
end;
Result := True;
end else
if s1='SIZE' then begin
Canvas.Font.Size := MyStrToInt(ExtractWord(2, S, [' ']));
Result := True;
end else
if s1='FONT' then begin
Canvas.Font.Name := Copy(S, Length(s1)+2, 255);
Result := True;
end else
end;
{ Tfstext }
procedure Tfstext.Parse(const S: String);
const
y: Integer = 0;
var
s1, sa: String;
b: Boolean;
begin
if (S='') then Exit;
s1 := ExtractWord(WordCount(S, [' ']), S, [' ']);
dest := FindFrame(s1);
if (dest=nil) or (dest.d1=nil) then Exit;
sa := Copy(S, 1, Pos(s1, S)-2);
b := ParsePenProperties(dest.d1.Surface.Canvas, UpperCase(sa));
dest.d1.Surface.Canvas.Release;
if b then Exit;
s1 := UpperCase(ExtractWord(1, sa, [' ']));
if s1='POS' then begin
self.x := MyStrToInt(ExtractWord(2, sa, [' ']));
self.y := MyStrToInt(ExtractWord(3, sa, [' ']));
Exit;
end;
with dest.d1.Surface.Canvas do begin
Brush.Style := bsClear;
if (self.x>-1) and (self.y>-1) then
TextOut(self.x, self.y, sa)
else begin
TextOut(0, y, sa);
Inc(Y, TextHeight(S));
if y>dest.d1.Surface.Height then
y := 0;
end;
end;
dest.d1.Surface.Canvas.Release;
dest.FlipRequest;
end;
procedure Tfstext.FormCreate(Sender: TObject);
begin
dest := nil;
x := -1;
y := -1;
end;
end.
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