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https://gitlab.com/freepascal.org/lazarus/lazarus.git
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TAChart: Add printing demo
git-svn-id: trunk@29684 -
This commit is contained in:
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parent
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commit
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4
.gitattributes
vendored
4
.gitattributes
vendored
@ -2377,6 +2377,10 @@ components/tachart/demo/multi/Main.lfm svneol=native#text/plain
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components/tachart/demo/multi/Main.pas svneol=native#text/pascal
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components/tachart/demo/multi/Main.pas svneol=native#text/pascal
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components/tachart/demo/multi/multidemo.lpi svneol=native#text/plain
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components/tachart/demo/multi/multidemo.lpi svneol=native#text/plain
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components/tachart/demo/multi/multidemo.lpr svneol=native#text/pascal
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components/tachart/demo/multi/multidemo.lpr svneol=native#text/pascal
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components/tachart/demo/print/Main.lfm svneol=native#text/plain
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components/tachart/demo/print/Main.pas svneol=native#text/pascal
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components/tachart/demo/print/printdemo.lpi svneol=native#text/plain
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components/tachart/demo/print/printdemo.lpr svneol=native#text/pascal
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components/tachart/demo/radial/main.lfm svneol=native#text/plain
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components/tachart/demo/radial/main.lfm svneol=native#text/plain
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components/tachart/demo/radial/main.pas svneol=native#text/pascal
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components/tachart/demo/radial/main.pas svneol=native#text/pascal
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components/tachart/demo/radial/radialdemo.lpi svneol=native#text/plain
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components/tachart/demo/radial/radialdemo.lpi svneol=native#text/plain
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80
components/tachart/demo/print/Main.lfm
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80
components/tachart/demo/print/Main.lfm
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@ -0,0 +1,80 @@
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object Form1: TForm1
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Left = 368
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Height = 310
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Top = 269
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Width = 398
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Caption = 'Form1'
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ClientHeight = 310
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ClientWidth = 398
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LCLVersion = '0.9.31'
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object Chart1: TChart
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Left = 0
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Height = 272
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Top = 0
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Width = 398
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AxisList = <
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item
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Marks.LabelFont.Height = -13
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Marks.Frame.Style = psSolid
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Title.LabelFont.Orientation = 900
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end
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item
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Alignment = calBottom
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Marks.LabelFont.Height = -13
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end>
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Foot.Brush.Color = clBtnFace
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Foot.Font.Color = clBlue
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Title.Brush.Color = clBtnFace
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Title.Font.Color = clBlue
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Title.Text.Strings = (
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'TAChart'
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)
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Align = alClient
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ParentColor = False
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object Chart1LineSeries1: TLineSeries
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Source = RandomChartSource1
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end
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end
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object Panel1: TPanel
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Left = 0
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Height = 38
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Top = 272
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Width = 398
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Align = alBottom
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ClientHeight = 38
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ClientWidth = 398
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TabOrder = 1
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object Print: TButton
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Left = 8
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Height = 25
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Top = 6
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Width = 75
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Caption = 'Print'
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OnClick = PrintClick
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TabOrder = 0
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end
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object PrintCanvas: TButton
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Left = 96
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Height = 25
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Top = 6
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Width = 115
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Caption = 'Print via Canvas'
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OnClick = PrintClick
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TabOrder = 1
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end
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end
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object RandomChartSource1: TRandomChartSource
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PointsNumber = 12
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RandSeed = 1730411800
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XMax = 5
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XMin = -5
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YMax = 5
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YMin = -5
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left = 171
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top = 140
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end
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object PrintDialog1: TPrintDialog
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left = 244
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top = 56
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end
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end
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65
components/tachart/demo/print/Main.pas
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65
components/tachart/demo/print/Main.pas
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unit Main;
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{$mode objfpc}{$H+}
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interface
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uses
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Classes, ExtCtrls, PrintersDlgs, StdCtrls, SysUtils, FileUtil, Forms,
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Controls, Graphics, Dialogs, TAGraph, TASeries, TASources;
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type
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{ TForm1 }
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TForm1 = class(TForm)
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Chart1: TChart;
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Chart1LineSeries1: TLineSeries;
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Panel1: TPanel;
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Print: TButton;
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PrintCanvas: TButton;
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PrintDialog1: TPrintDialog;
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RandomChartSource1: TRandomChartSource;
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procedure PrintClick(Sender: TObject);
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end;
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var
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Form1: TForm1;
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implementation
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uses
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OSPrinters, TAPrint, Printers;
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{$R *.lfm}
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{ TForm1 }
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procedure TForm1.PrintClick(Sender: TObject);
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const
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MARGIN = 10;
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var
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r: TRect;
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d: Integer;
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begin
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if not PrintDialog1.Execute then exit;
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Printer.BeginDoc;
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try
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r := Rect(0, 0, Printer.PageWidth, Printer.PageHeight div 2);
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d := r.Right - r.Left;
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r.Left += d div MARGIN;
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r.Right -= d div MARGIN;
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d := r.Bottom - r.Top;
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r.Top += d div MARGIN;
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r.Bottom -= d div MARGIN;
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if Sender = PrintCanvas then
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Chart1.PaintOnCanvas(Printer.Canvas, r)
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else
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Chart1.Draw(TPrinterDrawer.Create(Printer), r);
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finally
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Printer.EndDoc;
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end;
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end;
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end.
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106
components/tachart/demo/print/printdemo.lpi
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106
components/tachart/demo/print/printdemo.lpi
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<?xml version="1.0"?>
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<CONFIG>
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<ProjectOptions>
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<Version Value="9"/>
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<PathDelim Value="\"/>
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<General>
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<SessionStorage Value="InProjectDir"/>
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<MainUnit Value="0"/>
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<ResourceType Value="res"/>
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<UseXPManifest Value="True"/>
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</General>
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<i18n>
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<EnableI18N LFM="False"/>
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</i18n>
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<VersionInfo>
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<StringTable ProductVersion=""/>
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</VersionInfo>
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<BuildModes Count="1">
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<Item1 Name="Default" Default="True"/>
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</BuildModes>
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<PublishOptions>
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<Version Value="2"/>
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<IncludeFileFilter Value="*.(pas|pp|inc|lfm|lpr|lrs|lpi|lpk|sh|xml)"/>
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<ExcludeFileFilter Value="*.(bak|ppu|o|so);*~;backup"/>
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</PublishOptions>
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<RunParams>
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<local>
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<FormatVersion Value="1"/>
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</local>
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</RunParams>
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<RequiredPackages Count="4">
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<Item1>
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<PackageName Value="LCLBase"/>
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<MinVersion Major="1" Release="1" Valid="True"/>
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</Item1>
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<Item2>
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<PackageName Value="Printer4Lazarus"/>
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<MinVersion Minor="5" Valid="True"/>
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</Item2>
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<Item3>
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<PackageName Value="TAChartLazarusPkg"/>
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<MinVersion Major="1" Valid="True"/>
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</Item3>
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<Item4>
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<PackageName Value="LCL"/>
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</Item4>
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</RequiredPackages>
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<Units Count="3">
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<Unit0>
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<Filename Value="printdemo.lpr"/>
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<IsPartOfProject Value="True"/>
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<UnitName Value="printdemo"/>
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</Unit0>
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<Unit1>
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<Filename Value="Main.pas"/>
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<IsPartOfProject Value="True"/>
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<ComponentName Value="Form1"/>
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<ResourceBaseClass Value="Form"/>
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<UnitName Value="Main"/>
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</Unit1>
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<Unit2>
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<Filename Value="..\..\taprint.pas"/>
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<IsPartOfProject Value="True"/>
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<UnitName Value="TAPrint"/>
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</Unit2>
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</Units>
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</ProjectOptions>
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<CompilerOptions>
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<Version Value="10"/>
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<PathDelim Value="\"/>
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<Target>
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<Filename Value="printdemo"/>
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</Target>
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<SearchPaths>
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<IncludeFiles Value="$(ProjOutDir)"/>
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<OtherUnitFiles Value="..\.."/>
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<UnitOutputDirectory Value="lib\$(TargetCPU)-$(TargetOS)"/>
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</SearchPaths>
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<Linking>
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<Options>
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<Win32>
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<GraphicApplication Value="True"/>
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</Win32>
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</Options>
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</Linking>
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<Other>
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<CompilerMessages>
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<UseMsgFile Value="True"/>
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</CompilerMessages>
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<CompilerPath Value="$(CompPath)"/>
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</Other>
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</CompilerOptions>
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<Debugging>
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<Exceptions Count="3">
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<Item1>
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<Name Value="EAbort"/>
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</Item1>
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<Item2>
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<Name Value="ECodetoolError"/>
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</Item2>
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<Item3>
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<Name Value="EFOpenError"/>
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</Item3>
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</Exceptions>
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</Debugging>
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</CONFIG>
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20
components/tachart/demo/print/printdemo.lpr
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20
components/tachart/demo/print/printdemo.lpr
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@ -0,0 +1,20 @@
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program printdemo;
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{$mode objfpc}{$H+}
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uses
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{$IFDEF UNIX}{$IFDEF UseCThreads}
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cthreads,
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{$ENDIF}{$ENDIF}
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Interfaces, // this includes the LCL widgetset
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Forms, printer4lazarus, tachartlazaruspkg, Main, taprint
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{ you can add units after this };
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{$R *.res}
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begin
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Application.Initialize;
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Application.CreateForm(TForm1, Form1);
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Application.Run;
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end.
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