Стартовый пул

ATSynEdit/app/test_canvasline/demo.lpi

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+<?xml version="1.0" encoding="UTF-8"?>
+<CONFIG>
+  <ProjectOptions>
+    <Version Value="9"/>
+    <General>
+      <SessionStorage Value="InProjectDir"/>
+      <MainUnit Value="0"/>
+      <Title Value="demo"/>
+      <ResourceType Value="res"/>
+    </General>
+    <i18n>
+      <EnableI18N LFM="False"/>
+    </i18n>
+    <VersionInfo>
+      <StringTable ProductVersion=""/>
+    </VersionInfo>
+    <BuildModes Count="1">
+      <Item1 Name="Default" Default="True"/>
+    </BuildModes>
+    <PublishOptions>
+      <Version Value="2"/>
+    </PublishOptions>
+    <RunParams>
+      <local>
+        <FormatVersion Value="1"/>
+      </local>
+    </RunParams>
+    <RequiredPackages Count="1">
+      <Item1>
+        <PackageName Value="LCL"/>
+      </Item1>
+    </RequiredPackages>
+    <Units Count="2">
+      <Unit0>
+        <Filename Value="demo.lpr"/>
+        <IsPartOfProject Value="True"/>
+      </Unit0>
+      <Unit1>
+        <Filename Value="unit1.pas"/>
+        <IsPartOfProject Value="True"/>
+        <ComponentName Value="Form1"/>
+        <HasResources Value="True"/>
+        <ResourceBaseClass Value="Form"/>
+        <UnitName Value="Unit1"/>
+      </Unit1>
+    </Units>
+  </ProjectOptions>
+  <CompilerOptions>
+    <Version Value="11"/>
+    <Target>
+      <Filename Value="demo"/>
+    </Target>
+    <SearchPaths>
+      <IncludeFiles Value="$(ProjOutDir)"/>
+      <UnitOutputDirectory Value="lib/$(TargetCPU)-$(TargetOS)"/>
+    </SearchPaths>
+    <Linking>
+      <Options>
+        <Win32>
+          <GraphicApplication Value="True"/>
+        </Win32>
+      </Options>
+    </Linking>
+  </CompilerOptions>
+  <Debugging>
+    <Exceptions Count="3">
+      <Item1>
+        <Name Value="EAbort"/>
+      </Item1>
+      <Item2>
+        <Name Value="ECodetoolError"/>
+      </Item2>
+      <Item3>
+        <Name Value="EFOpenError"/>
+      </Item3>
+    </Exceptions>
+  </Debugging>
+</CONFIG>

ATSynEdit/app/test_canvasline/demo.lpr

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+program demo;
+
+{$mode objfpc}{$H+}
+
+uses
+  {$IFDEF UNIX}{$IFDEF UseCThreads}
+  cthreads,
+  {$ENDIF}{$ENDIF}
+  Interfaces, // this includes the LCL widgetset
+  Forms, Unit1
+  { you can add units after this };
+
+begin
+  RequireDerivedFormResource:=True;
+  Application.Initialize;
+  Application.CreateForm(TForm1, Form1);
+  Application.Run;
+end.
+

ATSynEdit/app/test_canvasline/unit1.lfm

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+object Form1: TForm1
+  Left = 456
+  Height = 278
+  Top = 453
+  Width = 500
+  Caption = 'Form1'
+  ClientHeight = 278
+  ClientWidth = 500
+  OnPaint = FormPaint
+  LCLVersion = '1.5'
+  object Button1: TButton
+    Left = 154
+    Height = 25
+    Top = 68
+    Width = 75
+    Caption = 'close'
+    OnClick = Button1Click
+    TabOrder = 0
+  end
+end

ATSynEdit/app/test_canvasline/unit1.pas

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+unit Unit1;
+
+{$mode objfpc}{$H+}
+
+interface
+
+uses
+  Classes, SysUtils, FileUtil, Forms, Controls, Graphics, Dialogs, StdCtrls,
+  ExtCtrls;
+
+type
+
+  { TForm1 }
+
+  TForm1 = class(TForm)
+    Button1: TButton;
+    procedure Button1Click(Sender: TObject);
+    procedure FormPaint(Sender: TObject);
+  private
+    { private declarations }
+  public
+    { public declarations }
+  end;
+
+var
+  Form1: TForm1;
+
+implementation
+
+{$R *.lfm}
+
+{ TForm1 }
+
+procedure TForm1.FormPaint(Sender: TObject);
+var
+  c: tcanvas;
+begin
+  c:= self.canvas;
+  c.brush.color:= clyellow;
+  c.fillrect(0, 0, 200, 200);
+
+  c.pen.color:= clred;
+  c.line(10,10,30,10);
+  c.line(30,10,50,10);
+  c.line(50,10,80,10);
+
+  c.line(10,10,10,30);
+  c.line(10,30,10,50);
+  c.line(10,50,10,80);
+end;
+
+procedure TForm1.Button1Click(Sender: TObject);
+begin
+  close;
+end;
+
+end.
+