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https://gitlab.com/freepascal.org/lazarus/lazarus.git
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57 lines
1.6 KiB
ObjectPascal
57 lines
1.6 KiB
ObjectPascal
program noguidemo;
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{$mode objfpc}{$H+}
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uses
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{$IFDEF UNIX}{$IFDEF UseCThreads} cthreads, {$ENDIF}{$ENDIF}
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Interfaces, Classes, tachartlazaruspkg { you can add units after this },
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FPCanvas, FPImage, FPImgCanv,
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TAGraph, TASeries, TADrawerFPCanvas {in '../../TADrawerFPCanvas.pas'}, TADrawerCanvas, TADrawUtils;
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const
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FONT_NAME = 'LiberationSans-Regular.ttf';
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var
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chart: TChart;
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bs: TBarSeries;
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img: TFPMemoryImage;
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c: TFPImageCanvas;
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d: IChartDrawer;
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begin
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InitFonts;
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chart := TChart.Create(nil);
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chart.Width := 600;
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chart.Height := 400;
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chart.Title.Text.Text := 'TAChart nogui demo';
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chart.Title.Font.Size := 16;
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chart.Title.Font.Name := FONT_NAME;
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chart.Title.Visible := true;
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chart.LeftAxis.Marks.LabelFont.Name := FONT_NAME;
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chart.LeftAxis.Marks.LabelFont.Size := 10;
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chart.LeftAxis.Marks.LabelFont.Orientation := 450;
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chart.LeftAxis.Marks.Frame.Visible := true;
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chart.LeftAxis.Marks.Frame.Style := psSolid;
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chart.LeftAxis.Marks.Frame.FPColor := colBlack;
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chart.LeftAxis.Grid.FPColor := colSilver;
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chart.BottomAxis.Marks.Visible := false;
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chart.BottomAxis.Grid.FPColor := colSilver;
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chart.Color := $FFA0A0;
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chart.BackColor := $FFFFFF;
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bs := TBarSeries.Create(nil);
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chart.AddSeries(bs);
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bs.AddXY(1, 10);
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bs.AddXY(2, 7);
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bs.AddXY(3, 8);
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img := TFPMemoryImage.Create(chart.Width, chart.Height);
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c := TFPImageCanvas.Create(img);
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d := TFPCanvasDrawer.Create(c);
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d.DoGetFontOrientation := @CanvasGetFontOrientationFunc;
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chart.Draw(d, Rect(0, 0, chart.Width, chart.Height));
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img.SaveToFile('test.png');
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c.Free;
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img.Free;
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bs.Free;
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chart.Free;
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end.
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