mirror of
https://gitlab.com/freepascal.org/lazarus/lazarus.git
synced 2025-08-18 13:19:30 +02:00
TAChart: Add demo for TChartLiveView.
git-svn-id: trunk@63763 -
This commit is contained in:
wp
parent
14ce141c40
commit
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4
.gitattributes
vendored
4
.gitattributes
vendored
@ -5250,6 +5250,10 @@ components/tachart/demo/listbox/Unit1.lfm svneol=native#text/plain
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components/tachart/demo/listbox/Unit1.pas svneol=native#text/pascal
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components/tachart/demo/listbox/Unit1.pas svneol=native#text/pascal
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components/tachart/demo/listbox/listboxdemo.lpi svneol=native#text/plain
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components/tachart/demo/listbox/listboxdemo.lpi svneol=native#text/plain
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components/tachart/demo/listbox/listboxdemo.lpr svneol=native#text/pascal
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components/tachart/demo/listbox/listboxdemo.lpr svneol=native#text/pascal
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components/tachart/demo/liveview/liveviewdemo.lpi svneol=native#text/xml
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components/tachart/demo/liveview/liveviewdemo.lpr svneol=native#text/pascal
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components/tachart/demo/liveview/main.lfm svneol=native#text/plain
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components/tachart/demo/liveview/main.pas svneol=native#text/pascal
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components/tachart/demo/manhattan/Main.lfm svneol=native#text/plain
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components/tachart/demo/manhattan/Main.lfm svneol=native#text/plain
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components/tachart/demo/manhattan/Main.pas svneol=native#text/pascal
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components/tachart/demo/manhattan/Main.pas svneol=native#text/pascal
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components/tachart/demo/manhattan/manhattandemo.lpi svneol=native#text/plain
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components/tachart/demo/manhattan/manhattandemo.lpi svneol=native#text/plain
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86
components/tachart/demo/liveview/liveviewdemo.lpi
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86
components/tachart/demo/liveview/liveviewdemo.lpi
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@ -0,0 +1,86 @@
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<?xml version="1.0" encoding="UTF-8"?>
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<CONFIG>
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<ProjectOptions>
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||||||
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<Version Value="12"/>
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<PathDelim Value="\"/>
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<General>
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<Flags>
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<CompatibilityMode Value="True"/>
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</Flags>
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<SessionStorage Value="InProjectDir"/>
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<Title Value="liveviewdemo"/>
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<Scaled Value="True"/>
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<ResourceType Value="res"/>
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<UseXPManifest Value="True"/>
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<XPManifest>
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<DpiAware Value="True"/>
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</XPManifest>
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<Icon Value="0"/>
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</General>
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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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<UseFileFilters Value="True"/>
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</PublishOptions>
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<RunParams>
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<FormatVersion Value="2"/>
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</RunParams>
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<RequiredPackages Count="2">
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<Item1>
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<PackageName Value="TAChartLazarusPkg"/>
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</Item1>
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<Item2>
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<PackageName Value="LCL"/>
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</Item2>
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</RequiredPackages>
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<Units Count="2">
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<Unit0>
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<Filename Value="liveviewdemo.lpr"/>
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<IsPartOfProject Value="True"/>
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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="MainFrom"/>
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<HasResources Value="True"/>
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<ResourceBaseClass Value="Form"/>
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</Unit1>
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</Units>
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</ProjectOptions>
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<CompilerOptions>
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<Version Value="11"/>
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<PathDelim Value="\"/>
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<Target>
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<Filename Value="liveviewdemo"/>
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</Target>
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<SearchPaths>
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<IncludeFiles Value="$(ProjOutDir)"/>
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<UnitOutputDirectory Value="lib\$(TargetCPU)-$(TargetOS)"/>
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</SearchPaths>
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<Linking>
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<Debugging>
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<DebugInfoType Value="dsDwarf2"/>
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</Debugging>
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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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</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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25
components/tachart/demo/liveview/liveviewdemo.lpr
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25
components/tachart/demo/liveview/liveviewdemo.lpr
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program liveviewdemo;
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{$mode objfpc}{$H+}
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uses
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{$IFDEF UNIX}
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cthreads,
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{$ENDIF}
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{$IFDEF HASAMIGA}
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athreads,
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{$ENDIF}
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Interfaces, // this includes the LCL widgetset
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Forms, main, tachartlazaruspkg
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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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RequireDerivedFormResource:=True;
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Application.Scaled:=True;
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Application.Initialize;
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Application.CreateForm(TMainFrom, MainFrom);
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Application.Run;
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end.
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197
components/tachart/demo/liveview/main.lfm
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197
components/tachart/demo/liveview/main.lfm
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@ -0,0 +1,197 @@
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object MainFrom: TMainFrom
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Left = 299
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Height = 446
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Top = 130
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Width = 723
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Caption = 'Live View Demo'
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ClientHeight = 446
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ClientWidth = 723
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OnCreate = FormCreate
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LCLVersion = '2.1.0.0'
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object Chart1: TChart
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AnchorSideLeft.Control = Owner
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AnchorSideTop.Control = Owner
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AnchorSideRight.Control = Owner
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AnchorSideRight.Side = asrBottom
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AnchorSideBottom.Control = ChartNavScrollBar1
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Left = 0
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Height = 392
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Top = 0
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Width = 723
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AxisList = <
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item
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Grid.Color = clSilver
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Intervals.MaxLength = 80
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Intervals.MinLength = 30
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Marks.LabelBrush.Style = bsClear
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Minors = <>
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Title.LabelFont.Orientation = 900
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Title.LabelBrush.Style = bsClear
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end
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item
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Grid.Color = clSilver
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Intervals.MaxLength = 80
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Intervals.MinLength = 30
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Alignment = calBottom
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Marks.LabelBrush.Style = bsClear
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Minors = <>
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Title.LabelBrush.Style = bsClear
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end>
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BackColor = clWhite
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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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Anchors = [akTop, akLeft, akRight, akBottom]
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object Chart1LineSeries1: TLineSeries
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end
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end
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object Panel1: TPanel
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AnchorSideLeft.Control = Owner
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AnchorSideTop.Control = Chart1
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AnchorSideTop.Side = asrBottom
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AnchorSideRight.Control = Owner
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AnchorSideRight.Side = asrBottom
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AnchorSideBottom.Control = Owner
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AnchorSideBottom.Side = asrBottom
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Left = 0
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Height = 37
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Top = 409
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Width = 723
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Anchors = [akLeft, akRight, akBottom]
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BevelOuter = bvNone
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ClientHeight = 37
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ClientWidth = 723
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TabOrder = 2
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object btnAddDataPoint: TButton
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AnchorSideLeft.Control = Panel1
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AnchorSideTop.Control = Panel1
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Left = 6
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Height = 25
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Top = 6
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Width = 105
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AutoSize = True
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BorderSpacing.Around = 6
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Caption = 'Add data point'
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OnClick = btnAddDataPointClick
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TabOrder = 0
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end
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object cbLiveMode: TCheckBox
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AnchorSideLeft.Control = btnAddDataPoint
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AnchorSideLeft.Side = asrBottom
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AnchorSideTop.Control = Panel1
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AnchorSideTop.Side = asrCenter
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Left = 135
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Height = 19
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Top = 9
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Width = 75
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BorderSpacing.Left = 24
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Caption = 'Live mode'
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Checked = True
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OnChange = cbLiveModeChange
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State = cbChecked
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TabOrder = 1
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end
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object lblViewportSize: TLabel
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AnchorSideLeft.Control = cbLiveMode
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AnchorSideLeft.Side = asrBottom
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AnchorSideTop.Control = Panel1
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AnchorSideTop.Side = asrCenter
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Left = 234
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Height = 15
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Top = 11
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Width = 69
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BorderSpacing.Left = 24
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Caption = 'Viewport size'
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ParentColor = False
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Visible = False
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end
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object seViewportSize: TFloatSpinEdit
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AnchorSideLeft.Control = lblViewportSize
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AnchorSideLeft.Side = asrBottom
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AnchorSideTop.Control = Panel1
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AnchorSideTop.Side = asrCenter
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Left = 311
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Height = 23
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Top = 7
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Width = 73
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Alignment = taRightJustify
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BorderSpacing.Left = 8
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MaxValue = 0
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OnChange = seViewportSizeChange
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TabOrder = 2
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Value = 5
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Visible = False
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end
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object cbExtentY: TComboBox
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AnchorSideLeft.Control = lblExtentY
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AnchorSideLeft.Side = asrBottom
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AnchorSideTop.Control = Panel1
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AnchorSideTop.Side = asrCenter
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Left = 456
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Height = 23
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Top = 7
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Width = 100
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BorderSpacing.Left = 8
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ItemHeight = 15
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ItemIndex = 0
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Items.Strings = (
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'Auto'
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'Full'
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'Logical'
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)
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OnChange = cbExtentYChange
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TabOrder = 3
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Text = 'Auto'
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end
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object cbFixedExtent: TCheckBox
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AnchorSideLeft.Control = cbExtentY
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AnchorSideLeft.Side = asrBottom
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Left = 580
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Height = 19
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Top = 9
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Width = 127
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BorderSpacing.Left = 24
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Caption = 'y = -1.5 .. .+1.5 fixed'
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OnChange = cbFixedExtentChange
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TabOrder = 4
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end
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object lblExtentY: TLabel
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AnchorSideLeft.Control = seViewportSize
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AnchorSideLeft.Side = asrBottom
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AnchorSideTop.Control = Panel1
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AnchorSideTop.Side = asrCenter
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Left = 408
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Height = 15
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Top = 11
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Width = 40
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BorderSpacing.Left = 24
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Caption = 'ExtentY'
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ParentColor = False
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end
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end
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object ChartNavScrollBar1: TChartNavScrollBar
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AnchorSideLeft.Control = Chart1
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AnchorSideRight.Control = Chart1
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AnchorSideRight.Side = asrBottom
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AnchorSideBottom.Control = Panel1
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Left = 0
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Height = 17
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Top = 392
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Width = 723
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AutoPageSize = True
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Chart = Chart1
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Anchors = [akLeft, akRight, akBottom]
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PageSize = 0
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TabOrder = 1
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end
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object ChartLiveView1: TChartLiveView
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Chart = Chart1
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ViewportSize = 5
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Left = 308
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Top = 143
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end
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end
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105
components/tachart/demo/liveview/main.pas
Normal file
105
components/tachart/demo/liveview/main.pas
Normal file
@ -0,0 +1,105 @@
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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, SysUtils, Forms, Controls, Graphics, Dialogs, StdCtrls, ExtCtrls,
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Spin, TAGraph, TASeries, TANavigation, TAChartLiveView;
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type
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{ TMainFrom }
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TMainFrom = class(TForm)
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btnAddDataPoint: TButton;
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Chart1: TChart;
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Chart1LineSeries1: TLineSeries;
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ChartLiveView1: TChartLiveView;
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ChartNavScrollBar1: TChartNavScrollBar;
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cbLiveMode: TCheckBox;
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cbFixedExtent: TCheckBox;
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cbExtentY: TComboBox;
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lblExtentY: TLabel;
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seViewportSize: TFloatSpinEdit;
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lblViewportSize: TLabel;
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Panel1: TPanel;
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procedure btnAddDataPointClick(Sender: TObject);
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procedure cbLiveModeChange(Sender: TObject);
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procedure cbFixedExtentChange(Sender: TObject);
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procedure cbExtentYChange(Sender: TObject);
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procedure seViewportSizeChange(Sender: TObject);
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procedure FormCreate(Sender: TObject);
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private
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public
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end;
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var
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MainFrom: TMainFrom;
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implementation
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{$R *.lfm}
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uses
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Math, TAChartUtils;
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{ TMainFrom }
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procedure TMainFrom.btnAddDataPointClick(Sender: TObject);
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const
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TWO_PI = 2.0 * pi;
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var
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x, y: Double;
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begin
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x := Chart1LineSeries1.Count;
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y := sin(x * TWO_PI / 10) + randg(0, 0.1);
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Chart1Lineseries1.AddXY(x, y);
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end;
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procedure TMainFrom.cbFixedExtentChange(Sender: TObject);
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begin
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Chart1.Extent.YMin := -1.5;
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Chart1.Extent.YMax := 1.5;
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Chart1.Extent.UseYMin := cbFixedExtent.Checked;
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Chart1.Extent.UseYMax := cbFixedExtent.Checked;
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end;
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procedure TMainFrom.cbLiveModeChange(Sender: TObject);
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begin
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ChartLiveView1.Active := cbLiveMode.Checked;
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seViewportSize.Visible := cbLiveMode.Checked;
|
||||||
|
lblViewportSize.Visible := cbLiveMode.Checked;
|
||||||
|
cbExtentY.Visible := cbLiveMode.Checked;
|
||||||
|
lblExtentY.Visible := cbLiveMode.Checked;
|
||||||
|
end;
|
||||||
|
|
||||||
|
procedure TMainFrom.cbExtentYChange(Sender: TObject);
|
||||||
|
begin
|
||||||
|
ChartLiveView1.ExtentY := TChartLiveViewExtentY(cbExtentY.ItemIndex);
|
||||||
|
end;
|
||||||
|
|
||||||
|
procedure TMainFrom.FormCreate(Sender: TObject);
|
||||||
|
begin
|
||||||
|
// Add three data points to start with
|
||||||
|
btnAddDataPointClick(nil);
|
||||||
|
btnAddDataPointClick(nil);
|
||||||
|
btnAddDataPointClick(nil);
|
||||||
|
|
||||||
|
// Initialize live view controls
|
||||||
|
cbLiveMode.Checked := ChartLiveView1.Active;
|
||||||
|
seViewportSize.Value := ChartLiveView1.ViewportSize;
|
||||||
|
cbExtentY.ItemIndex := ord(ChartLiveView1.ExtentY);
|
||||||
|
end;
|
||||||
|
|
||||||
|
procedure TMainFrom.seViewportSizeChange(Sender: TObject);
|
||||||
|
begin
|
||||||
|
ChartLiveView1.ViewportSize := seViewportSize.Value;
|
||||||
|
end;
|
||||||
|
|
||||||
|
|
||||||
|
end.
|
||||||
|
|
||||||
Loading…
Reference in New Issue
Block a user