TAChart: Add printing demo

git-svn-id: trunk@29684 -

.gitattributes

@@ -2377,6 +2377,10 @@ components/tachart/demo/multi/Main.lfm svneol=native#text/plain
 components/tachart/demo/multi/Main.pas svneol=native#text/pascal
 components/tachart/demo/multi/multidemo.lpi svneol=native#text/plain
 components/tachart/demo/multi/multidemo.lpr svneol=native#text/pascal
+components/tachart/demo/print/Main.lfm svneol=native#text/plain
+components/tachart/demo/print/Main.pas svneol=native#text/pascal
+components/tachart/demo/print/printdemo.lpi svneol=native#text/plain
+components/tachart/demo/print/printdemo.lpr svneol=native#text/pascal
 components/tachart/demo/radial/main.lfm svneol=native#text/plain
 components/tachart/demo/radial/main.pas svneol=native#text/pascal
 components/tachart/demo/radial/radialdemo.lpi svneol=native#text/plain

components/tachart/demo/print/Main.lfm

@@ -0,0 +1,80 @@
+object Form1: TForm1
+  Left = 368
+  Height = 310
+  Top = 269
+  Width = 398
+  Caption = 'Form1'
+  ClientHeight = 310
+  ClientWidth = 398
+  LCLVersion = '0.9.31'
+  object Chart1: TChart
+    Left = 0
+    Height = 272
+    Top = 0
+    Width = 398
+    AxisList = <    
+      item
+        Marks.LabelFont.Height = -13
+        Marks.Frame.Style = psSolid
+        Title.LabelFont.Orientation = 900
+      end    
+      item
+        Alignment = calBottom
+        Marks.LabelFont.Height = -13
+      end>
+    Foot.Brush.Color = clBtnFace
+    Foot.Font.Color = clBlue
+    Title.Brush.Color = clBtnFace
+    Title.Font.Color = clBlue
+    Title.Text.Strings = (
+      'TAChart'
+    )
+    Align = alClient
+    ParentColor = False
+    object Chart1LineSeries1: TLineSeries
+      Source = RandomChartSource1
+    end
+  end
+  object Panel1: TPanel
+    Left = 0
+    Height = 38
+    Top = 272
+    Width = 398
+    Align = alBottom
+    ClientHeight = 38
+    ClientWidth = 398
+    TabOrder = 1
+    object Print: TButton
+      Left = 8
+      Height = 25
+      Top = 6
+      Width = 75
+      Caption = 'Print'
+      OnClick = PrintClick
+      TabOrder = 0
+    end
+    object PrintCanvas: TButton
+      Left = 96
+      Height = 25
+      Top = 6
+      Width = 115
+      Caption = 'Print via Canvas'
+      OnClick = PrintClick
+      TabOrder = 1
+    end
+  end
+  object RandomChartSource1: TRandomChartSource
+    PointsNumber = 12
+    RandSeed = 1730411800
+    XMax = 5
+    XMin = -5
+    YMax = 5
+    YMin = -5
+    left = 171
+    top = 140
+  end
+  object PrintDialog1: TPrintDialog
+    left = 244
+    top = 56
+  end
+end

components/tachart/demo/print/Main.pas

@@ -0,0 +1,65 @@
+unit Main;
+
+{$mode objfpc}{$H+}
+
+interface
+
+uses
+  Classes, ExtCtrls, PrintersDlgs, StdCtrls, SysUtils, FileUtil, Forms,
+  Controls, Graphics, Dialogs, TAGraph, TASeries, TASources;
+
+type
+
+  { TForm1 }
+
+  TForm1 = class(TForm)
+    Chart1: TChart;
+    Chart1LineSeries1: TLineSeries;
+    Panel1: TPanel;
+    Print: TButton;
+    PrintCanvas: TButton;
+    PrintDialog1: TPrintDialog;
+    RandomChartSource1: TRandomChartSource;
+    procedure PrintClick(Sender: TObject);
+  end;
+
+var
+  Form1: TForm1; 
+
+implementation
+
+uses
+  OSPrinters, TAPrint, Printers;
+
+{$R *.lfm}
+
+{ TForm1 }
+
+procedure TForm1.PrintClick(Sender: TObject);
+const
+  MARGIN = 10;
+var
+  r: TRect;
+  d: Integer;
+begin
+  if not PrintDialog1.Execute then exit;
+  Printer.BeginDoc;
+  try
+    r := Rect(0, 0, Printer.PageWidth, Printer.PageHeight div 2);
+    d := r.Right - r.Left;
+    r.Left += d div MARGIN;
+    r.Right -= d div MARGIN;
+    d := r.Bottom - r.Top;
+    r.Top += d div MARGIN;
+    r.Bottom -= d div MARGIN;
+    if Sender = PrintCanvas then
+      Chart1.PaintOnCanvas(Printer.Canvas, r)
+    else
+      Chart1.Draw(TPrinterDrawer.Create(Printer), r);
+  finally
+    Printer.EndDoc;
+  end;
+end;
+
+end.
+

components/tachart/demo/print/printdemo.lpi

@@ -0,0 +1,106 @@
+<?xml version="1.0"?>
+<CONFIG>
+  <ProjectOptions>
+    <Version Value="9"/>
+    <PathDelim Value="\"/>
+    <General>
+      <SessionStorage Value="InProjectDir"/>
+      <MainUnit Value="0"/>
+      <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"/>
+      <IncludeFileFilter Value="*.(pas|pp|inc|lfm|lpr|lrs|lpi|lpk|sh|xml)"/>
+      <ExcludeFileFilter Value="*.(bak|ppu|o|so);*~;backup"/>
+    </PublishOptions>
+    <RunParams>
+      <local>
+        <FormatVersion Value="1"/>
+      </local>
+    </RunParams>
+    <RequiredPackages Count="4">
+      <Item1>
+        <PackageName Value="LCLBase"/>
+        <MinVersion Major="1" Release="1" Valid="True"/>
+      </Item1>
+      <Item2>
+        <PackageName Value="Printer4Lazarus"/>
+        <MinVersion Minor="5" Valid="True"/>
+      </Item2>
+      <Item3>
+        <PackageName Value="TAChartLazarusPkg"/>
+        <MinVersion Major="1" Valid="True"/>
+      </Item3>
+      <Item4>
+        <PackageName Value="LCL"/>
+      </Item4>
+    </RequiredPackages>
+    <Units Count="3">
+      <Unit0>
+        <Filename Value="printdemo.lpr"/>
+        <IsPartOfProject Value="True"/>
+        <UnitName Value="printdemo"/>
+      </Unit0>
+      <Unit1>
+        <Filename Value="Main.pas"/>
+        <IsPartOfProject Value="True"/>
+        <ComponentName Value="Form1"/>
+        <ResourceBaseClass Value="Form"/>
+        <UnitName Value="Main"/>
+      </Unit1>
+      <Unit2>
+        <Filename Value="..\..\taprint.pas"/>
+        <IsPartOfProject Value="True"/>
+        <UnitName Value="TAPrint"/>
+      </Unit2>
+    </Units>
+  </ProjectOptions>
+  <CompilerOptions>
+    <Version Value="10"/>
+    <PathDelim Value="\"/>
+    <Target>
+      <Filename Value="printdemo"/>
+    </Target>
+    <SearchPaths>
+      <IncludeFiles Value="$(ProjOutDir)"/>
+      <OtherUnitFiles Value="..\.."/>
+      <UnitOutputDirectory Value="lib\$(TargetCPU)-$(TargetOS)"/>
+    </SearchPaths>
+    <Linking>
+      <Options>
+        <Win32>
+          <GraphicApplication Value="True"/>
+        </Win32>
+      </Options>
+    </Linking>
+    <Other>
+      <CompilerMessages>
+        <UseMsgFile Value="True"/>
+      </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/tachart/demo/print/printdemo.lpr

@@ -0,0 +1,20 @@
+program printdemo;
+
+{$mode objfpc}{$H+}
+
+uses
+  {$IFDEF UNIX}{$IFDEF UseCThreads}
+  cthreads,
+  {$ENDIF}{$ENDIF}
+  Interfaces, // this includes the LCL widgetset
+  Forms, printer4lazarus, tachartlazaruspkg, Main, taprint
+  { you can add units after this };
+
+{$R *.res}
+
+begin
+  Application.Initialize;
+  Application.CreateForm(TForm1, Form1);
+  Application.Run;
+end.
+