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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 fsdrawunit;
interface
uses
Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs,
fsformunit, fsframeunit, fstextunit;
type
Tfsdraw = class(TFsForm)
procedure FormCreate(Sender: TObject);
private
dest: TFsFrame;
{ Private declarations }
public
{ Public declarations }
procedure Parse(const S: String); override;
end;
var
fsdraw: Tfsdraw;
implementation
uses
mainunit, Strz;
{$R *.DFM}
{ Tfsdraw }
procedure Tfsdraw.Parse(const S: String);
var
r: TRect;
x, y: Integer;
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 := UpperCase(Copy(S, 1, Pos(s1, S)-2));
b := ParsePenProperties(dest.d1.Surface.Canvas, sa);
dest.d1.Surface.Canvas.Release;
s1 := ExtractWord(1, sa, [' ']);
if b then Exit else
if s1='MODE_SOLID' then begin
dest.d1.Surface.Canvas.Brush.Style := bsSolid;
dest.d1.Surface.Canvas.Release;
end else
if s1='MODE_CLEAR' then begin
dest.d1.Surface.Canvas.Brush.Style := bsClear;
dest.d1.Surface.Canvas.Release;
end else
if s1='RECT' then begin
dest.d1.Surface.Canvas.Rectangle(StrToRect(Copy(sa, Length(s1)+2, 255)));
dest.d1.Surface.Canvas.Release;
dest.FlipRequest;
end else
if s1='LINE' then begin
r := StrToRect(Copy(sa, Length(s1)+2, 255));
with dest.d1.Surface.Canvas do begin
MoveTo(r.Left, r.Top);
LineTo(r.Right, r.Bottom);
end;
dest.d1.Surface.Canvas.Release;
dest.FlipRequest;
end else
if s1='PLOT' then begin
x := MyStrToInt(ExtractWord(2, sa, [' ']));
y := MyStrToInt(ExtractWord(3, sa, [' ']));
dest.d1.Surface.Canvas.Pixels[x, y] :=
dest.d1.Surface.Canvas.Pen.Color;
dest.d1.Surface.Canvas.Release;
dest.FlipRequest;
end else
end;
procedure Tfsdraw.FormCreate(Sender: TObject);
begin
dest := nil;
end;
end.
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