richmemo: added inline objects demo.

git-svn-id: https://svn.code.sf.net/p/lazarus-ccr/svn@3848 8e941d3f-bd1b-0410-a28a-d453659cc2b4

components/richmemo/samples/inline/mainform.pas

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+unit mainform;
+{
+ Richmemo Inline demo
+
+ Author: Dmitry 'skalogryz' Boyarintsev
+
+ *****************************************************************************
+ *                                                                           *
+ *  This file is part of the Rich Memo package                               *
+ *  You're free to use the project and the file in anyway you find fit.      *
+ *  You're free to copy and modify the file. No need to keep the refernce    *
+ *  to the origin of the file.                                               *
+ *                                                                           *
+ *****************************************************************************
+}
+
+{$mode objfpc}{$H+}
+
+interface
+
+uses
+  Types, Classes, SysUtils, FileUtil, Forms, Controls, Graphics, Dialogs,
+  LCLIntf, StdCtrls, ExtCtrls, RichMemo, RichMemoUtils;
+
+type
+
+  { TForm1 }
+
+  TForm1 = class(TForm)
+    Button1: TButton;
+    Button2: TButton;
+    Button3: TButton;
+    ImageList1: TImageList;
+    OpenDialog1: TOpenDialog;
+    RichMemo1: TRichMemo;
+    Timer1: TTimer;
+    procedure Button1Click(Sender: TObject);
+    procedure Button2Click(Sender: TObject);
+    procedure Button3Click(Sender: TObject);
+    procedure FormCreate(Sender: TObject);
+    procedure FormDestroy(Sender: TObject);
+    procedure Timer1Timer(Sender: TObject);
+  private
+    { private declarations }
+  public
+    { public declarations }
+    framecnt : Integer;
+    anims : TList;
+    procedure AnimRemove(Sender: TObject);
+  end;
+
+var
+  Form1: TForm1;
+
+implementation
+
+{$R *.lfm}
+
+type
+  { TInlineImage }
+
+  TInlineImage = class(TRichMemoInline)
+  public
+    imageList : TImageList;
+    frame     : integer;
+    startTime : LongWord;
+    // in this particular demo, each animated image gets its own timer
+    // infact, this is ineffecient way and it should only be one timer used
+    visible   : Boolean;
+    OnRemove  : TNotifyEvent;
+    destructor Destroy; override;
+    procedure Draw(Canvas: TCanvas; const ASize: TSize); override;
+    procedure SetVisible(AVisible: Boolean); override;
+  end;
+
+{ TInlineImage }
+
+destructor TInlineImage.Destroy;
+begin
+  if Assigned(OnRemove) then OnRemove(self);
+  inherited Destroy;
+end;
+
+
+procedure TInlineImage.Draw(Canvas: TCanvas; const ASize: TSize);
+begin
+  imageList.Draw(Canvas, 0,0, frame);
+end;
+
+procedure TInlineImage.SetVisible(AVisible: Boolean);
+begin
+  visible:=AVisible;
+end;
+
+{ TForm1 }
+
+procedure TForm1.Button1Click(Sender: TObject);
+begin
+  if OpenDialog1.Execute then
+    LoadRTFFile( RichMemo1, OpenDialog1.FileName );
+end;
+
+procedure TForm1.Button2Click(Sender: TObject);
+var
+  inlineimg : TInlineImage;
+begin
+  inlineimg := TInlineImage.Create;
+  inlineimg.imageList:=ImageList1;
+  inlineimg.frame:=framecnt;
+  RichMemo1.InDelInline(inlineimg, RichMemo1.SelStart, 0, Size(round(ImageList1.Width*72/96),round(ImageList1.Height*72/96)));
+
+  inc(framecnt);
+  if framecnt>=ImageList1.Count then framecnt:=0;
+end;
+
+procedure TForm1.Button3Click(Sender: TObject);
+var
+  inlineimg : TInlineImage;
+  i : integer;
+begin
+  inlineimg := TInlineImage.Create;
+  inlineimg.imageList:=ImageList1;
+  inlineimg.startTime:=GetTickCount;
+  anims.add(inlineimg);
+  RichMemo1.InDelInline(inlineimg, RichMemo1.SelStart, 0, Size(round(ImageList1.Width*72/96),round(ImageList1.Height*72/96)));
+end;
+
+procedure TForm1.FormCreate(Sender: TObject);
+begin
+  anims:=TList.Create;
+end;
+
+procedure TForm1.FormDestroy(Sender: TObject);
+begin
+  anims.Free;
+  anims:=nil;
+end;
+
+procedure TForm1.Timer1Timer(Sender: TObject);
+var
+  i  : integer;
+  im : TInlineImage;
+  diff : LongWord;
+  tck  : LongWord;
+begin
+  tck:=GetTickCount;
+  for i:=0 to anims.Count-1 do begin
+    im := TInlineImage(anims[i]);
+    if not im.visible then Exit;
+    diff:=tck-im.startTime;
+    im.frame:=round(diff/55) mod im.imageList.Count;
+    im.Invalidate;
+  end;
+end;
+
+procedure TForm1.AnimRemove(Sender: TObject);
+begin
+  if Assigned(anims) then anims.Remove(Sender);
+end;
+
+end.
+
+

components/richmemo/samples/inline/testinline.lpi

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+<?xml version="1.0" encoding="UTF-8"?>
+<CONFIG>
+  <ProjectOptions>
+    <Version Value="9"/>
+    <PathDelim Value="\"/>
+    <General>
+      <SessionStorage Value="InProjectDir"/>
+      <MainUnit Value="0"/>
+      <Title Value="testinline"/>
+      <ResourceType Value="res"/>
+      <UseXPManifest Value="True"/>
+    </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"/>
+        <LaunchingApplication PathPlusParams="\usr\bin\xterm -T 'Lazarus Run Output' -e $(LazarusDir)\tools\runwait.sh $(TargetCmdLine)"/>
+      </local>
+    </RunParams>
+    <RequiredPackages Count="2">
+      <Item1>
+        <PackageName Value="richmemopackage"/>
+      </Item1>
+      <Item2>
+        <PackageName Value="LCL"/>
+      </Item2>
+    </RequiredPackages>
+    <Units Count="2">
+      <Unit0>
+        <Filename Value="testinline.lpr"/>
+        <IsPartOfProject Value="True"/>
+        <UnitName Value="testinline"/>
+      </Unit0>
+      <Unit1>
+        <Filename Value="mainform.pas"/>
+        <IsPartOfProject Value="True"/>
+        <ComponentName Value="Form1"/>
+        <HasResources Value="True"/>
+        <ResourceBaseClass Value="Form"/>
+        <UnitName Value="mainform"/>
+      </Unit1>
+    </Units>
+  </ProjectOptions>
+  <CompilerOptions>
+    <Version Value="11"/>
+    <PathDelim Value="\"/>
+    <Target>
+      <Filename Value="testinline"/>
+    </Target>
+    <SearchPaths>
+      <IncludeFiles Value="$(ProjOutDir)"/>
+      <UnitOutputDirectory Value="lib\$(TargetCPU)-$(TargetOS)"/>
+    </SearchPaths>
+    <Linking>
+      <Options>
+        <Win32>
+          <GraphicApplication Value="True"/>
+        </Win32>
+      </Options>
+    </Linking>
+    <Other>
+      <CompilerMessages>
+        <MsgFileName Value=""/>
+      </CompilerMessages>
+      <CompilerPath Value="$(CompPath)"/>
+    </Other>
+  </CompilerOptions>
+  <Debugging>
+    <Exceptions Count="3">
+      <Item1>
+        <Name Value="EAbort"/>
+      </Item1>
+      <Item2>
+        <Name Value="ECodetoolError"/>
+      </Item2>
+      <Item3>
+        <Name Value="EFOpenError"/>
+      </Item3>
+    </Exceptions>
+  </Debugging>
+</CONFIG>

components/richmemo/samples/inline/testinline.lpr

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+program testinline;
+
+{$mode objfpc}{$H+}
+
+uses
+  {$IFDEF UNIX}{$IFDEF UseCThreads}
+  cthreads,
+  {$ENDIF}{$ENDIF}
+  Interfaces, // this includes the LCL widgetset
+  Forms, mainform, richmemopackage;
+
+{$R *.res}
+
+begin
+  RequireDerivedFormResource := True;
+  Application.Initialize;
+  Application.CreateForm(TForm1, Form1);
+  Application.Run;
+end.
+