プレゼンテーションにおけるチャートの作成方法

新しいAspose.Slides for Java APIがリリースされ、この1つの製品で新しいPowerPoint文書を最初から生成し、既存の文書を編集する機能がサポートされています。

レガシーコードのサポート

Aspose.Slides for Javaの14.x.x以前のバージョンで開発されたレガシーコードを使用するには、コードにいくつかの小さい変更を加える必要があります。そうすれば以前と同じように動作します。古いAspose.Slides for Javaのcom.aspose.slidesおよびcom.aspose.slides.pptx名前空間に存在したすべてのクラスは、単一のcom.aspose.slides名前空間に統合されました。レガシーAspose.Slides APIを使用してプレゼンテーションで通常のチャートを最初から作成するための以下の簡単なコードスニペットを見て、新しい統合APIへの移行方法を示す手順に従ってください。

レガシーAspose.Slides for Javaアプローチ

//Instantiate PresentationEx class that represents PPTX file
PresentationEx pres = new PresentationEx();

//Access first slide
SlideEx sld = pres.getSlides().get_Item(0);

// Add chart with default data
ChartEx chart = sld.getShapes().addChart(ChartTypeEx.ClusteredColumn, 0, 0, 500, 500);

//Setting chart Title
chart.getChartTitle().getText().setText("Sample Title");
chart.getChartTitle().getText().setCenterText(true);
chart.getChartTitle().setHeight(20f);
chart.hasTitle(true);

//Set first series to Show Values
chart.getChartData().getSeries().get_Item(0).getLabels().setShowValue(true);


//Setting the index of chart data sheet 
int defaultWorksheetIndex = 0;

//Getting the chart data worksheet
ChartDataCellFactory fact = chart.getChartData().getChartDataCellFactory();

//Delete default generated series and categories
chart.getChartData().getSeries().clear();
chart.getChartData().getCategories().clear();
int s = chart.getChartData().getSeries().getCapacity();

//Adding new series
chart.getChartData().getSeries().add(fact.getCell(defaultWorksheetIndex, 0, 1, "Series 1"), chart.getType());
chart.getChartData().getSeries().add(fact.getCell(defaultWorksheetIndex, 0, 2, "Series 2"), chart.getType());

//Adding new categories
chart.getChartData().getCategories().add(fact.getCell(defaultWorksheetIndex, 1, 0, "Caetegoty 1"));
chart.getChartData().getCategories().add(fact.getCell(defaultWorksheetIndex, 2, 0, "Caetegoty 2"));
chart.getChartData().getCategories().add(fact.getCell(defaultWorksheetIndex, 3, 0, "Caetegoty 3"));

//Take first chart series
ChartSeriesEx series = chart.getChartData().getSeries().get_Item(0);

//Now populating series data
series.getValues().add(fact.getCell(defaultWorksheetIndex, 1, 1, 20));
series.getValues().add(fact.getCell(defaultWorksheetIndex, 2, 1, 50));
series.getValues().add(fact.getCell(defaultWorksheetIndex, 3, 1, 30));

//Setting fill color for series
series.getFormat().getFill().setFillType(FillTypeEx.Solid);
series.getFormat().getFill().getSolidFillColor().setColor(new java.awt.Color(com.aspose.slides.PresetColorEx.Red));

//Take second chart series
series = chart.getChartData().getSeries().get_Item(1);

//Now populating series data
series.getValues().add(fact.getCell(defaultWorksheetIndex, 1, 2, 30));
series.getValues().add(fact.getCell(defaultWorksheetIndex, 2, 2, 10));
series.getValues().add(fact.getCell(defaultWorksheetIndex, 3, 2, 60));

//Setting fill color for series
series.getFormat().getFill().setFillType(FillTypeEx.Solid);
series.getFormat().getFill().getSolidFillColor().setColor(new java.awt.Color(PresetColorEx.Green));

//create custom lables for each of categories for new series

//first label will be show Category name
DataLabelEx lbl = new DataLabelEx(series);
lbl.setShowCategoryName( true);
lbl.setId (0);
series.getLabels().add(lbl);

//Show series name for second label
lbl = new DataLabelEx(series);
lbl.setShowSeriesName(true);
lbl.setId(1);
series.getLabels().add(lbl);

//show value for third label
lbl = new DataLabelEx(series);
lbl.setShowValue(true);
lbl.setShowSeriesName(true);
lbl.setSeparator("/");
lbl.setId( 2);
series.getLabels().add(lbl);

// show value and custom text
lbl = new DataLabelEx(series);
lbl.getTextFrame().setText( "My text");
lbl.setId( 3);
series.getLabels().add(lbl);

// Save presentation with chart
pres.write("D:\\Aspose Data\\AsposeChart.pptx");

新しいAspose.Slides for Java 14.x.xアプローチ

//Instantiate Presentation class that represents PPTX file
Presentation pres = new Presentation();

//Access first slide
ISlide sld = pres.getSlides().get_Item(0);

// Add chart with default data
IChart chart = sld.getShapes().addChart(ChartType.ClusteredColumn, 0, 0, 500, 500);

//Setting chart Title
//chart.getChartTitle().TextFrameForOverriding.Text = "Sample Title";
chart.getChartTitle().addTextFrameForOverriding("Sample Title");
chart.getChartTitle().getTextFrameForOverriding().getTextFrameFormat().setCenterText(NullableBool.True);
chart.getChartTitle().setHeight(20);
chart.hasTitle(true);

//Set first series to Show Values
chart.getChartData().getSeries().get_Item(0).getLabels().getDefaultDataLabelFormat().setShowValue(true);

//Setting the index of chart data sheet
int defaultWorksheetIndex = 0;

//Getting the chart data worksheet
IChartDataWorkbook fact = chart.getChartData().getChartDataWorkbook();

//Delete default generated series and categories
chart.getChartData().getSeries().clear();
chart.getChartData().getCategories().clear();
int s = chart.getChartData().getSeries().size();
s = chart.getChartData().getCategories().size();

//Adding new series
chart.getChartData().getSeries().add(fact.getCell(defaultWorksheetIndex, 0, 1, "Series 1"), chart.getType());
chart.getChartData().getSeries().add(fact.getCell(defaultWorksheetIndex, 0, 2, "Series 2"), chart.getType());

//Adding new categories
chart.getChartData().getCategories().add(fact.getCell(defaultWorksheetIndex, 1, 0, "Caetegoty 1"));
chart.getChartData().getCategories().add(fact.getCell(defaultWorksheetIndex, 2, 0, "Caetegoty 2"));
chart.getChartData().getCategories().add(fact.getCell(defaultWorksheetIndex, 3, 0, "Caetegoty 3"));

//Take first chart series
IChartSeries series = chart.getChartData().getSeries().get_Item(0);

//Now populating series data

series.getDataPoints().addDataPointForBarSeries(fact.getCell(defaultWorksheetIndex, 1, 1, 20));
series.getDataPoints().addDataPointForBarSeries(fact.getCell(defaultWorksheetIndex, 2, 1, 50));
series.getDataPoints().addDataPointForBarSeries(fact.getCell(defaultWorksheetIndex, 3, 1, 30));

//Setting fill color for series
series.getFormat().getFill().setFillType(FillType.Solid);
series.getFormat().getFill().getSolidFillColor().setColor(java.awt.Color.RED);


//Take second chart series
series = chart.getChartData().getSeries().get_Item(1);

//Now populating series data
series.getDataPoints().addDataPointForBarSeries(fact.getCell(defaultWorksheetIndex, 1, 2, 30));
series.getDataPoints().addDataPointForBarSeries(fact.getCell(defaultWorksheetIndex, 2, 2, 10));
series.getDataPoints().addDataPointForBarSeries(fact.getCell(defaultWorksheetIndex, 3, 2, 60));

//Setting fill color for series
series.getFormat().getFill().setFillType(FillType.Solid);
series.getFormat().getFill().getSolidFillColor().setColor(java.awt.Color.GREEN);


//create custom labels for each of categories for new series

//first label will be show Category name
IDataLabel lbl = series.getDataPoints().get_Item(0).getLabel();
lbl.getDataLabelFormat().setShowCategoryName(true);

lbl = series.getDataPoints().get_Item(1).getLabel();
lbl.getDataLabelFormat().setShowSeriesName(true);

//Show value for third label
lbl = series.getDataPoints().get_Item(2).getLabel();
lbl.getDataLabelFormat().setShowValue(true);
lbl.getDataLabelFormat().setShowSeriesName(true);
lbl.getDataLabelFormat().setSeparator("/");

//Save presentation with chart
pres.save("AsposeChart.pptx",SaveFormat.Pptx);

レガシーAspose.Slides APIを使用してプレゼンテーションで散布図を最初から作成するための以下の簡単なコードスニペットを見て、新しい統合APIでそれを達成する方法を確認してください。

レガシーAspose.Slides for Javaアプローチ

//Instantiate PresentationEx class that represents PPTX file
PresentationEx pres = new PresentationEx("D:\\AsposeChart.pptx");

//Access first slide
SlideEx sld = pres.getSlides().get_Item(0);

// Add chart with default data
ChartEx chart = (ChartEx)sld.getShapes().get_Item(0);

//Setting the index of chart data sheet 
int defaultWorksheetIndex = 0;

//Getting the chart data worksheet
ChartDataCellFactory fact = chart.getChartData().getChartDataCellFactory();

//Take first chart series
ChartSeriesEx series = chart.getChartData().getSeries().getItem(0);

//Now updating series data
fact.getCell(defaultWorksheetIndex, 0, 1, "New_Series1");//modifying series name
series.getValues().get_Item(0).setValue(90);
series.getValues().get_Item(1).setValue(123);
series.getValues().get_Item(2).setValue(44);

//Take Second chart series
series = chart.getChartData().getSeries().getItem(1);

//Now updating series data
fact.getCell(defaultWorksheetIndex, 0, 2, "New_Series2");//modifying series name           
series.getValues().get_Item(0).setValue(23);
series.getValues().get_Item(1).setValue(67);
series.getValues().get_Item(2).setValue(99);


//Now, Adding a new series
chart.getChartData().getSeries().add(fact.getCell(defaultWorksheetIndex, 0, 3, "Series 3"), chart.getType());

//Take 3rd chart series
series = chart.getChartData().getSeries().getItem(2);

//Now populating series data
series.getValues().add(fact.getCell(defaultWorksheetIndex, 1, 3, 20));
series.getValues().add(fact.getCell(defaultWorksheetIndex, 2, 3, 50));
series.getValues().add(fact.getCell(defaultWorksheetIndex, 3, 3, 30));

chart.setType(ChartTypeEx.ClusteredCylinder);

// Save presentation with chart
pres.write("D:\\AsposeChartMoodified.pptx");

新しいAspose.Slides for Java 14.x.xアプローチ

Presentation pres = new Presentation();
 
ISlide slide = pres.getSlides().get_Item(0);

//Creating the default chart
IChart chart = slide.getShapes().addChart(ChartType.ScatterWithSmoothLines, 0, 0, 400, 400);

//Getting the default chart data worksheet index
int defaultWorksheetIndex = 0;

//Accessing the chart data worksheet
IChartDataWorkbook fact = chart.getChartData().getChartDataWorkbook();

//Delete demo series
chart.getChartData().getSeries().clear();

//Add new series
chart.getChartData().getSeries().add(fact.getCell(defaultWorksheetIndex, 1, 1, "Series 1"), chart.getType());
chart.getChartData().getSeries().add(fact.getCell(defaultWorksheetIndex, 1, 3, "Series 2"), chart.getType());

//Take first chart series
IChartSeries series = chart.getChartData().getSeries().get_Item(0);

//Add new point (1:3) there.
series.getDataPoints().addDataPointForScatterSeries(fact.getCell(defaultWorksheetIndex, 2, 1, 1), fact.getCell(defaultWorksheetIndex, 2, 2, 3));

//Add new point (2:10)
series.getDataPoints().addDataPointForScatterSeries(fact.getCell(defaultWorksheetIndex, 3, 1, 2), fact.getCell(defaultWorksheetIndex, 3, 2, 10));

//Edit the type of series
series.setType (ChartType.ScatterWithStraightLinesAndMarkers);

//Changing the chart series marker
series.getMarker().setSize(10);
series.getMarker().setSymbol(MarkerStyleType.Star);

//Take second chart series
series = chart.getChartData().getSeries().get_Item(1);

//Add new point (5:2) there.
series.getDataPoints().addDataPointForScatterSeries(fact.getCell(defaultWorksheetIndex, 2, 3, 5), fact.getCell(defaultWorksheetIndex, 2, 4, 2));

//Add new point (3:1)
series.getDataPoints().addDataPointForScatterSeries(fact.getCell(defaultWorksheetIndex, 3, 3, 3), fact.getCell(defaultWorksheetIndex, 3, 4, 1));

//Add new point (2:2)
series.getDataPoints().addDataPointForScatterSeries(fact.getCell(defaultWorksheetIndex, 4, 3, 2), fact.getCell(defaultWorksheetIndex, 4, 4, 2));

//Add new point (5:1)
series.getDataPoints().addDataPointForScatterSeries(fact.getCell(defaultWorksheetIndex, 5, 3, 5), fact.getCell(defaultWorksheetIndex, 5, 4, 1));

//Changing the chart series marker
series.getMarker().setSize(10);
series.getMarker().setSymbol (MarkerStyleType.Circle);

pres.save("AsposeScatterChart.pptx",SaveFormat.Pptx);