From 9cd4c96223fa5b4a2f98be6ce86c0f40a2589c85 Mon Sep 17 00:00:00 2001
From: ask <ask@lazarus-ide.org>
Date: Mon, 4 Feb 2013 15:34:10 +0000
Subject: [PATCH] TAChart: Use GUI connector in "bgra" demo

git-svn-id: trunk@40179 -
---
 components/tachart/demo/bgra/Main.lfm     | 16 +++++++++++++++-
 components/tachart/demo/bgra/Main.pas     | 18 ++++++++++++++----
 components/tachart/demo/bgra/bgrademo.lpi |  5 +++++
 3 files changed, 34 insertions(+), 5 deletions(-)

diff --git a/components/tachart/demo/bgra/Main.lfm b/components/tachart/demo/bgra/Main.lfm
index bdcc1a5c1f..fdcffee43e 100644
--- a/components/tachart/demo/bgra/Main.lfm
+++ b/components/tachart/demo/bgra/Main.lfm
@@ -50,12 +50,21 @@ object Form1: TForm1
         object cbPie: TCheckBox
           Left = 104
           Height = 17
-          Top = 7
+          Top = 8
           Width = 34
           Caption = 'Pie'
           OnChange = cbPieChange
           TabOrder = 1
         end
+        object cbUseConnector: TCheckBox
+          Left = 164
+          Height = 17
+          Top = 8
+          Width = 172
+          Caption = 'Use BGRA for standard drawing'
+          OnChange = cbUseConnectorChange
+          TabOrder = 2
+        end
       end
       object chSimple: TChart
         Left = 0
@@ -89,6 +98,7 @@ object Form1: TForm1
         OnAfterPaint = chSimpleAfterPaint
         Align = alLeft
         Color = clGreen
+        DoubleBuffered = True
         ParentColor = False
         object chSimpleLineSeries1: TLineSeries
           ZPosition = 10
@@ -374,4 +384,8 @@ object Form1: TForm1
     left = 192
     top = 320
   end
+  object ChartGUIConnectorBGRA1: TChartGUIConnectorBGRA
+    left = 440
+    top = 184
+  end
 end
diff --git a/components/tachart/demo/bgra/Main.pas b/components/tachart/demo/bgra/Main.pas
index 4682a8eec4..049a0c0077 100644
--- a/components/tachart/demo/bgra/Main.pas
+++ b/components/tachart/demo/bgra/Main.pas
@@ -5,10 +5,9 @@ unit Main;
 interface
 
 uses
-  Classes, ComCtrls, ExtCtrls, StdCtrls, SysUtils, FileUtil, Forms,
-  Controls, Graphics, Dialogs,
-  TAGraph, TASeries, TASources, TAAnimatedSource, TACustomSource,
-  BGRASliceScaling;
+  Classes, ComCtrls, ExtCtrls, StdCtrls, SysUtils, FileUtil, Forms, Controls,
+  Graphics, Dialogs, TAGraph, TAGUIConnectorBGRA, TASeries, TASources,
+  TAAnimatedSource, TACustomSource, BGRASliceScaling;
 
 type
 
@@ -18,6 +17,8 @@ type
     btnStartStop: TButton;
     cbAntialiasing: TCheckBox;
     cbPie: TCheckBox;
+    ChartGUIConnectorBGRA1: TChartGUIConnectorBGRA;
+    cbUseConnector: TCheckBox;
     chSimple: TChart;
     chSimpleAreaSeries1: TAreaSeries;
     chSimpleBarSeries1: TBarSeries;
@@ -40,6 +41,7 @@ type
     procedure btnStartStopClick(Sender: TObject);
     procedure cbAntialiasingChange(Sender: TObject);
     procedure cbPieChange(Sender: TObject);
+    procedure cbUseConnectorChange(Sender: TObject);
     procedure chSimpleAfterPaint(ASender: TChart);
     procedure chBarEffectsBarSeries1BeforeDrawBar(ASender: TBarSeries;
       ACanvas: TCanvas; const ARect: TRect; APointIndex, AStackIndex: Integer;
@@ -92,6 +94,14 @@ begin
   chSimplePieSeries1.Active := cbPie.Checked;
 end;
 
+procedure TForm1.cbUseConnectorChange(Sender: TObject);
+begin
+  if cbUseConnector.Checked then
+    chSimple.GUIConnector := ChartGUIConnectorBGRA1
+  else
+    chSimple.GUIConnector := nil;
+end;
+
 procedure TForm1.chSimpleAfterPaint(ASender: TChart);
 begin
   Unused(ASender);
diff --git a/components/tachart/demo/bgra/bgrademo.lpi b/components/tachart/demo/bgra/bgrademo.lpi
index fcf4ccab4b..a04490a678 100644
--- a/components/tachart/demo/bgra/bgrademo.lpi
+++ b/components/tachart/demo/bgra/bgrademo.lpi
@@ -73,6 +73,11 @@
       <IncludeFiles Value="$(ProjOutDir)"/>
       <UnitOutputDirectory Value="lib\$(TargetCPU)-$(TargetOS)"/>
     </SearchPaths>
+    <CodeGeneration>
+      <Checks>
+        <RangeChecks Value="True"/>
+      </Checks>
+    </CodeGeneration>
     <Linking>
       <Options>
         <Win32>