몇 줄로 만드는 압력 게이지.
눈금을 정하고, 빨간 구간과 알람 임계값을 추가하고, 이징 곡선을 고른 다음, 같은 게이지를 PNG로 내보내세요. Delphi, C++ Builder, C#에서 같은 API를 써요.
dotnet add package esegece.sgcGauges.WinForms
C++ Builder와 C# 버전
uses
SysUtils, Classes, Controls, Forms, sgcUICore_Theme,
sgcGauges_Types, sgcGauges_Model, sgcGauges_VCL;
procedure CreatePressureGauge(aForm: TForm);
var
oGauge: TsgcVCLRadialGauge;
begin
oGauge := TsgcVCLRadialGauge.Create(aForm);
oGauge.Parent := aForm;
oGauge.SetBounds(16, 16, 240, 240);
oGauge.Title := 'Pressure';
oGauge.Units := 'bar';
oGauge.Theme := utDark;
oGauge.Scales[0].Maximum := 10;
oGauge.Scales[0].MajorInterval := 2;
// a red band from 8 to 10 bar
with oGauge.Scales[0].Ranges.Add do
begin
StartValue := 8;
EndValue := 10;
Color := $FFE34948;
end;
// OnThreshold fires once per crossing, in the main thread
with oGauge.Thresholds.Add do
begin
Value := 8;
Hysteresis := 0.5;
Direction := gtdBoth;
end;
oGauge.Animation.Easing := geCubicOut;
oGauge.Value := 6.5;
// the same drawing code exports the gauge to PNG at twice its size
oGauge.SaveToPNG(ExtractFilePath(ParamStr(0)) + 'pressure.png', 2);
end;
