initial commit

9 files changed, 454 insertions, 0 deletions

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..791cd61
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,3 @@
+lib
+spectre
+*.bak
diff --git a/spectre.ico b/spectre.ico
new file mode 100644
index 0000000..10c5fc1
--- /dev/null
+++ b/spectre.ico
diff --git a/spectre.lpi b/spectre.lpi
new file mode 100644
index 0000000..665e33d
--- /dev/null
+++ b/spectre.lpi
@@ -0,0 +1,80 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<CONFIG>
+  <ProjectOptions>
+    <Version Value="12"/>
+    <General>
+      <SessionStorage Value="InProjectDir"/>
+      <Title Value="spectre"/>
+      <Scaled Value="True"/>
+      <ResourceType Value="res"/>
+      <UseXPManifest Value="True"/>
+      <XPManifest>
+        <DpiAware Value="True"/>
+      </XPManifest>
+      <Icon Value="0"/>
+    </General>
+    <BuildModes>
+      <Item Name="Default" Default="True"/>
+    </BuildModes>
+    <PublishOptions>
+      <Version Value="2"/>
+      <UseFileFilters Value="True"/>
+    </PublishOptions>
+    <RunParams>
+      <FormatVersion Value="2"/>
+    </RunParams>
+    <RequiredPackages>
+      <Item>
+        <PackageName Value="LCL"/>
+      </Item>
+    </RequiredPackages>
+    <Units>
+      <Unit>
+        <Filename Value="spectre.lpr"/>
+        <IsPartOfProject Value="True"/>
+      </Unit>
+      <Unit>
+        <Filename Value="unit1.pas"/>
+        <IsPartOfProject Value="True"/>
+        <ComponentName Value="Form1"/>
+        <HasResources Value="True"/>
+        <ResourceBaseClass Value="Form"/>
+        <UnitName Value="Unit1"/>
+      </Unit>
+      <Unit>
+        <Filename Value="spectreunit.pas"/>
+        <IsPartOfProject Value="True"/>
+      </Unit>
+    </Units>
+  </ProjectOptions>
+  <CompilerOptions>
+    <Version Value="11"/>
+    <Target>
+      <Filename Value="spectre"/>
+    </Target>
+    <SearchPaths>
+      <IncludeFiles Value="$(ProjOutDir)"/>
+      <UnitOutputDirectory Value="lib/$(TargetCPU)-$(TargetOS)"/>
+    </SearchPaths>
+    <Linking>
+      <Options>
+        <Win32>
+          <GraphicApplication Value="True"/>
+        </Win32>
+      </Options>
+    </Linking>
+  </CompilerOptions>
+  <Debugging>
+    <Exceptions>
+      <Item>
+        <Name Value="EAbort"/>
+      </Item>
+      <Item>
+        <Name Value="ECodetoolError"/>
+      </Item>
+      <Item>
+        <Name Value="EFOpenError"/>
+      </Item>
+    </Exceptions>
+  </Debugging>
+</CONFIG>
diff --git a/spectre.lpr b/spectre.lpr
new file mode 100644
index 0000000..6bc3b97
--- /dev/null
+++ b/spectre.lpr
@@ -0,0 +1,25 @@
+program spectre;
+
+{$mode objfpc}{$H+}
+
+uses
+  {$IFDEF UNIX}
+  cthreads,
+  {$ENDIF}
+  {$IFDEF HASAMIGA}
+  athreads,
+  {$ENDIF}
+  Interfaces, // this includes the LCL widgetset
+  Forms, Unit1, spectreunit
+  { you can add units after this };
+
+{$R *.res}
+
+begin
+  RequireDerivedFormResource:=True;
+  Application.Scaled:=True;
+  Application.Initialize;
+  Application.CreateForm(TForm1, Form1);
+  Application.Run;
+end.
+
diff --git a/spectre.lps b/spectre.lps
new file mode 100644
index 0000000..975dbf5
--- /dev/null
+++ b/spectre.lps
@@ -0,0 +1,209 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<CONFIG>
+  <ProjectSession>
+    <Version Value="12"/>
+    <BuildModes Active="Default"/>
+    <Units>
+      <Unit>
+        <Filename Value="spectre.lpr"/>
+        <IsPartOfProject Value="True"/>
+        <EditorIndex Value="-1"/>
+        <WindowIndex Value="-1"/>
+        <TopLine Value="-1"/>
+        <CursorPos X="-1" Y="-1"/>
+        <UsageCount Value="20"/>
+      </Unit>
+      <Unit>
+        <Filename Value="unit1.pas"/>
+        <IsPartOfProject Value="True"/>
+        <ComponentName Value="Form1"/>
+        <HasResources Value="True"/>
+        <ResourceBaseClass Value="Form"/>
+        <UnitName Value="Unit1"/>
+        <IsVisibleTab Value="True"/>
+        <TopLine Value="32"/>
+        <CursorPos X="40" Y="62"/>
+        <UsageCount Value="20"/>
+        <Loaded Value="True"/>
+        <LoadedDesigner Value="True"/>
+      </Unit>
+      <Unit>
+        <Filename Value="spectreunit.pas"/>
+        <IsPartOfProject Value="True"/>
+        <EditorIndex Value="1"/>
+        <TopLine Value="19"/>
+        <CursorPos Y="49"/>
+        <UsageCount Value="20"/>
+        <Loaded Value="True"/>
+      </Unit>
+      <Unit>
+        <Filename Value="/usr/lib/lazarus/lcl/controls.pp"/>
+        <UnitName Value="Controls"/>
+        <EditorIndex Value="-1"/>
+        <TopLine Value="2400"/>
+        <CursorPos X="14" Y="2417"/>
+        <UsageCount Value="10"/>
+      </Unit>
+      <Unit>
+        <Filename Value="/usr/lib/lazarus/lcl/graphics.pp"/>
+        <UnitName Value="Graphics"/>
+        <EditorIndex Value="-1"/>
+        <TopLine Value="952"/>
+        <CursorPos X="3" Y="969"/>
+        <UsageCount Value="10"/>
+      </Unit>
+      <Unit>
+        <Filename Value="../units/lowlevelunit.pas"/>
+        <EditorIndex Value="3"/>
+        <TopLine Value="1036"/>
+        <CursorPos Y="1063"/>
+        <UsageCount Value="10"/>
+        <Loaded Value="True"/>
+      </Unit>
+      <Unit>
+        <Filename Value="/usr/lib/fpc/src/packages/fcl-image/src/fpcanvas.pp"/>
+        <UnitName Value="FPCanvas"/>
+        <EditorIndex Value="-1"/>
+        <TopLine Value="352"/>
+        <CursorPos X="15" Y="367"/>
+        <UsageCount Value="10"/>
+      </Unit>
+      <Unit>
+        <Filename Value="/usr/lib/fpc/src/rtl/inc/typshrdh.inc"/>
+        <EditorIndex Value="-1"/>
+        <TopLine Value="55"/>
+        <CursorPos X="3" Y="62"/>
+        <UsageCount Value="10"/>
+      </Unit>
+      <Unit>
+        <Filename Value="../units/matheunit.pas"/>
+        <EditorIndex Value="2"/>
+        <TopLine Value="1235"/>
+        <CursorPos X="5" Y="1268"/>
+        <UsageCount Value="10"/>
+        <Loaded Value="True"/>
+      </Unit>
+    </Units>
+    <JumpHistory HistoryIndex="28">
+      <Position>
+        <Filename Value="../units/lowlevelunit.pas"/>
+      </Position>
+      <Position>
+        <Filename Value="../units/lowlevelunit.pas"/>
+        <Caret Line="29" Column="12"/>
+      </Position>
+      <Position>
+        <Filename Value="../units/lowlevelunit.pas"/>
+        <Caret Line="35" Column="19" TopLine="7"/>
+      </Position>
+      <Position>
+        <Filename Value="../units/lowlevelunit.pas"/>
+        <Caret Line="37" Column="47" TopLine="9"/>
+      </Position>
+      <Position>
+        <Filename Value="../units/lowlevelunit.pas"/>
+        <Caret Line="69" Column="29" TopLine="41"/>
+      </Position>
+      <Position>
+        <Filename Value="../units/lowlevelunit.pas"/>
+        <Caret Line="74" Column="41" TopLine="46"/>
+      </Position>
+      <Position>
+        <Filename Value="../units/lowlevelunit.pas"/>
+        <Caret Line="78" Column="41" TopLine="50"/>
+      </Position>
+      <Position>
+        <Filename Value="../units/lowlevelunit.pas"/>
+        <Caret Line="82" Column="52" TopLine="54"/>
+      </Position>
+      <Position>
+        <Filename Value="../units/lowlevelunit.pas"/>
+        <Caret Line="84" Column="50" TopLine="56"/>
+      </Position>
+      <Position>
+        <Filename Value="../units/lowlevelunit.pas"/>
+        <Caret Line="85" Column="50" TopLine="57"/>
+      </Position>
+      <Position>
+        <Filename Value="../units/lowlevelunit.pas"/>
+        <Caret Line="89" Column="29" TopLine="61"/>
+      </Position>
+      <Position>
+        <Filename Value="../units/lowlevelunit.pas"/>
+        <Caret Line="91" Column="54" TopLine="63"/>
+      </Position>
+      <Position>
+        <Filename Value="../units/lowlevelunit.pas"/>
+        <Caret Line="93" Column="28" TopLine="65"/>
+      </Position>
+      <Position>
+        <Filename Value="../units/lowlevelunit.pas"/>
+        <Caret Line="95" Column="68" TopLine="67"/>
+      </Position>
+      <Position>
+        <Filename Value="../units/lowlevelunit.pas"/>
+        <Caret Line="97" Column="83" TopLine="69"/>
+      </Position>
+      <Position>
+        <Filename Value="../units/lowlevelunit.pas"/>
+        <Caret Line="140" Column="37" TopLine="112"/>
+      </Position>
+      <Position>
+        <Filename Value="spectreunit.pas"/>
+        <Caret Line="28" Column="8"/>
+      </Position>
+      <Position>
+        <Filename Value="spectreunit.pas"/>
+        <Caret Line="38" Column="9" TopLine="10"/>
+      </Position>
+      <Position>
+        <Filename Value="../units/lowlevelunit.pas"/>
+        <Caret Line="147" Column="44" TopLine="119"/>
+      </Position>
+      <Position>
+        <Filename Value="../units/lowlevelunit.pas"/>
+        <Caret Line="150" Column="18" TopLine="130"/>
+      </Position>
+      <Position>
+        <Filename Value="../units/lowlevelunit.pas"/>
+        <Caret Line="423" Column="19" TopLine="395"/>
+      </Position>
+      <Position>
+        <Filename Value="../units/lowlevelunit.pas"/>
+        <Caret Line="486" Column="16" TopLine="458"/>
+      </Position>
+      <Position>
+        <Filename Value="../units/lowlevelunit.pas"/>
+        <Caret Line="1065" Column="18" TopLine="1037"/>
+      </Position>
+      <Position>
+        <Filename Value="../units/lowlevelunit.pas"/>
+        <Caret Line="1053" Column="16" TopLine="1037"/>
+      </Position>
+      <Position>
+        <Filename Value="../units/lowlevelunit.pas"/>
+        <Caret Line="147" TopLine="127"/>
+      </Position>
+      <Position>
+        <Filename Value="../units/lowlevelunit.pas"/>
+        <Caret Line="1063" TopLine="1036"/>
+      </Position>
+      <Position>
+        <Filename Value="spectreunit.pas"/>
+        <Caret Line="23" Column="8" TopLine="10"/>
+      </Position>
+      <Position>
+        <Filename Value="../units/matheunit.pas"/>
+        <Caret Line="74" TopLine="41"/>
+      </Position>
+      <Position>
+        <Filename Value="../units/matheunit.pas"/>
+        <Caret Line="1268" Column="5" TopLine="1235"/>
+      </Position>
+    </JumpHistory>
+    <RunParams>
+      <FormatVersion Value="2"/>
+      <Modes ActiveMode=""/>
+    </RunParams>
+  </ProjectSession>
+</CONFIG>
diff --git a/spectre.res b/spectre.res
new file mode 100644
index 0000000..bb86af9
--- /dev/null
+++ b/spectre.res
diff --git a/spectreunit.pas b/spectreunit.pas
new file mode 100644
index 0000000..f84fb98
--- /dev/null
+++ b/spectreunit.pas
@@ -0,0 +1,52 @@
+unit spectreunit;
+
+{$mode ObjFPC}{$H+}
+
+interface
+
+uses
+  Classes, SysUtils, Graphics, lowlevelunit;
+
+type
+  tSpectre = class
+  private
+    _o:           tExtPoint;
+    _alpha,_size: extended;
+  public
+    constructor create(x,y,alpha,size: extended);
+    procedure draw(c: tCanvas);
+  end;
+
+implementation
+
+uses
+  matheunit;
+
+constructor tSpectre.create(x,y,alpha,size: extended);
+begin
+  inherited create;
+  _o:=extPoint(x,y);
+  _alpha:=alpha;
+  _size:=size;
+end;
+
+procedure tSpectre.draw(c: tCanvas);
+var
+  r: tExtPoint;
+  a: extended;
+  i: longint;
+const
+  winkel: array of extended = (90,-60,90,-60,90,60,-90,60,90,60,-90,60,0,60);
+begin
+  r:=_o;
+  a:=_alpha;
+  c.moveTo(point(round(r)));
+  for i:=0 to length(winkel)-1 do begin
+    r:=r + _size * einheitsVektor(a);
+    c.lineTo(point(round(r)));
+    a:=a - winkel[i]/180*pi;
+  end;
+end;
+
+end.
+
diff --git a/unit1.lfm b/unit1.lfm
new file mode 100644
index 0000000..44df8e9
--- /dev/null
+++ b/unit1.lfm
@@ -0,0 +1,19 @@
+object Form1: TForm1
+  Left = 1690
+  Height = 236
+  Top = 180
+  Width = 323
+  Caption = 'Form1'
+  ClientHeight = 236
+  ClientWidth = 323
+  OnCreate = FormCreate
+  OnDestroy = FormDestroy
+  OnResize = FormResize
+  LCLVersion = '2.2.6.0'
+  object Image1: TImage
+    Left = 0
+    Height = 234
+    Top = 0
+    Width = 314
+  end
+end
diff --git a/unit1.pas b/unit1.pas
new file mode 100644
index 0000000..ed06ce3
--- /dev/null
+++ b/unit1.pas
@@ -0,0 +1,66 @@
+unit Unit1;
+
+{$mode objfpc}{$H+}
+
+interface
+
+uses
+  Classes, SysUtils, Forms, Controls, Graphics, Dialogs, ExtCtrls, spectreUnit;
+
+type
+
+  { TForm1 }
+
+  TForm1 = class(TForm)
+    Image1: TImage;
+    procedure FormCreate(Sender: TObject);
+    procedure FormDestroy(Sender: TObject);
+    procedure FormResize(Sender: TObject);
+  private
+
+  public
+    spectres: array of tSpectre;
+  end;
+
+var
+  Form1: TForm1;
+
+implementation
+
+{$R *.lfm}
+
+{ TForm1 }
+
+procedure TForm1.FormResize(Sender: TObject);
+var
+  i: longint;
+begin
+  image1.free;
+  image1:=tImage.create(self);
+  image1.parent:=self;
+  image1.left:=0;
+  image1.top:=0;
+  image1.width:=form1.clientWidth;
+  image1.height:=form1.clientHeight;
+  image1.canvas.rectangle(-1,-1,image1.width+2,image1.height+2);
+  for i:=0 to length(spectres)-1 do
+    spectres[i].draw(image1.canvas);
+end;
+
+procedure TForm1.FormDestroy(Sender: TObject);
+var
+  i: longint;
+begin
+  for i:=0 to length(spectres)-1 do
+    spectres[i].free;
+  setLength(spectres,0);
+end;
+
+procedure TForm1.FormCreate(Sender: TObject);
+begin
+  setLength(spectres,1);
+  spectres[0]:=tSpectre.create(100,100,pi/4,30);
+end;
+
+end.
+