Conversion de graphique en image en Ruby

Aspose.Cells - Conversion du graphique en image

Pour convertir un graphique en image en utilisant Aspose.Cells for Java en Ruby, il suffit d’invoquer le module Convertisseur.

Code Ruby

 def chart_to_image()

    # Create a new Workbook.

    workbook = Rjb::import('com.aspose.cells.Workbook').new

    # Get the first worksheet.

    sheet = workbook.getWorksheets().get(0)

    # Set the name of worksheet

    sheet.setName("Data")

    # Get the cells collection in the sheet.

    cells = workbook.getWorksheets().get(0).getCells()

    # Put some values into a cells of the Data sheet.

    cells.get("A1").setValue("Region")

    cells.get("A2").setValue("France")

    cells.get("A3").setValue("Germany")

    cells.get("A4").setValue("England")

    cells.get("A5").setValue("Sweden")

    cells.get("A6").setValue("Italy")

    cells.get("A7").setValue("Spain")

    cells.get("A8").setValue("Portugal")

    cells.get("B1").setValue("Sale")

    cells.get("B2").setValue(70000)

    cells.get("B3").setValue(55000)

    cells.get("B4").setValue(30000)

    cells.get("B5").setValue(40000)

    cells.get("B6").setValue(35000)

    cells.get("B7").setValue(32000)

    cells.get("B8").setValue(10000)

    # Create chart

    chart_type = Rjb::import('com.aspose.cells.ChartType')

    chart_index = sheet.getCharts().add(chart_type.COLUMN, 12, 1, 33, 12)

    chart = sheet.getCharts().get(chart_index)

    # Set properties of chart title

    chart.getTitle().setText("Sales By Region")

    chart.getTitle().getFont().setBold(true)

    chart.getTitle().getFont().setSize(12)

    # Set properties of nseries

    chart.getNSeries().add("Data!B2:B8", true)

    chart.getNSeries().setCategoryData("Data!A2:A8")

    # Set the fill colors for the series's data points (France - Portugal(7 points))

    chart_points = chart.getNSeries().get(0).getPoints()

    color = Rjb::import('com.aspose.cells.Color')

    point = chart_points.get(0)

    point.getArea().setForegroundColor(color.getCyan())

    point = chart_points.get(1)

    point.getArea().setForegroundColor(color.getBlue())

    point = chart_points.get(2)

    point.getArea().setForegroundColor(color.getYellow())

    point = chart_points.get(3)

    point.getArea().setForegroundColor(color.getRed())

    point = chart_points.get(4)

    point.getArea().setForegroundColor(color.getBlack())

    point = chart_points.get(5)

    point.getArea().setForegroundColor(color.getGreen())

    point = chart_points.get(6)

    point.getArea().setForegroundColor(color.getMaroon())

    # Set the legend invisible

    chart.setShowLegend(false)

    # Get the Chart image

    img_opts = Rjb::import('com.aspose.cells.ImageOrPrintOptions').new

    image_format = Rjb::import('com.aspose.cells.ImageFormat')

    img_opts.setImageFormat(image_format.getPng())

    # Save the chart image file.

    chart.toImage(@data_dir + "MyChartImage.png", img_opts)

    # Print message

    puts "Convert chart to image successfully."

end   

Télécharger le code en cours d’exécution

Télécharger Conversion du graphique en image (Aspose.Cells) de l’un des sites de codage social mentionnés ci-dessous :