Module: Asposecellsjava::Converter

Defined in:
lib/asposecellsjava/converter.rb

Instance Method Summary collapse

Instance Method Details

#chart_to_image ⇒ Object 



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# File 'lib/asposecellsjava/converter.rb', line 40

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

#excel_to_pdf(workbook) ⇒ Object 



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# File 'lib/asposecellsjava/converter.rb', line 31

def excel_to_pdf(workbook)
    save_format = Rjb::import('com.aspose.cells.SaveFormat')

    # Save the document in PDF format
    workbook.save(@data_dir + "MyPdfFile.pdf", save_format.PDF)

    puts "Pdf saved successfully."
end

#html_to_excel ⇒ Object 



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# File 'lib/asposecellsjava/converter.rb', line 198

def html_to_excel()
    load_format = Rjb::import('com.aspose.cells.LoadFormat')
    # Create an instance of HTMLLoadOptions and initiate it with appropriate LoadFormat
    options = Rjb::import('com.aspose.cells.HTMLLoadOptions').new(load_format.HTML)
    
    # Load the Html file through file path while passing the instance of HTMLLoadOptions class
    workbook = Rjb::import('com.aspose.cells.Workbook').new(@data_dir + "index.html", options)
    
    save_format = Rjb::import('com.aspose.cells.SaveFormat')
    #Save the results to disc in Xlsx format
    workbook.save(@data_dir + "output.xlsx", save_format.XLSX)

    puts "XLSX saved successfully."
end

#initialize ⇒ Object 



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# File 'lib/asposecellsjava/converter.rb', line 3

def initialize()
    @data_dir = File.dirname(File.dirname(File.dirname(__FILE__))) + '/data/'
    
    # Instantiating a Workbook object by excel file path
    workbook = Rjb::import('com.aspose.cells.Workbook').new(@data_dir + 'Book1.xls')
    
    # Converting Excel to PDF
    excel_to_pdf(workbook)

    # Converting Chart to Image
    chart_to_image()

    # Converting Worksheet to Image
    worksheet_to_image(workbook)

    # Converting Worksheet to SVG
    worksheet_to_svg(workbook)

    # Converting Worksheet to MHTML
    worksheet_to_mhtml(workbook)

    # Converting Worksheet to HTML
    worksheet_to_html(workbook)

    # Converting HTML to Excel
    html_to_excel()
end

#worksheet_to_html(workbook) ⇒ Object 



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# File 'lib/asposecellsjava/converter.rb', line 187

def worksheet_to_html(workbook)
    save_format = Rjb::import('com.aspose.cells.SaveFormat')
    # Specify the HTML saving options
    save = Rjb::import('com.aspose.cells.HtmlSaveOptions').new(save_format.M_HTML)

    # Save the document
    workbook.save(@data_dir + "output.html", save)

    puts "HTML saved successfully."
end

#worksheet_to_image(workbook) ⇒ Object 



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# File 'lib/asposecellsjava/converter.rb', line 126

def worksheet_to_image(workbook)
    #Create an object for ImageOptions
    img_options = Rjb::import('com.aspose.cells.ImageOrPrintOptions').new
    
    # Set the image type
    image_format = Rjb::import('com.aspose.cells.ImageFormat')
    img_options.setImageFormat(image_format.getPng())
    
    # Get the first worksheet.
    sheet = workbook.getWorksheets().get(0)

    # Create a SheetRender object for the target sheet
    sr = Rjb::import('com.aspose.cells.SheetRender').new(sheet, img_options)
    
    j = 0
    while j < sr.getPageCount()
        # Generate an image for the worksheet
        sr.toImage(j, @data_dir + "mysheetimg_#{j}.png")
        j +=1
    end

    puts "Image saved successfully."
end

#worksheet_to_mhtml(workbook) ⇒ Object 



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# File 'lib/asposecellsjava/converter.rb', line 176

def worksheet_to_mhtml(workbook)
    save_format = Rjb::import('com.aspose.cells.SaveFormat')
    # Specify the HTML saving options
    sv = Rjb::import('com.aspose.cells.HtmlSaveOptions').new(save_format.M_HTML)

    # Save the document
    workbook.save(@data_dir + "convert.mht", sv)

    puts "MHTML saved successfully."
end

#worksheet_to_svg(workbook) ⇒ Object 



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# File 'lib/asposecellsjava/converter.rb', line 150

def worksheet_to_svg(workbook)
    # Convert each worksheet into svg format in a single page.
    img_options = Rjb::import('com.aspose.cells.ImageOrPrintOptions').new
    save_format = Rjb::import('com.aspose.cells.SaveFormat')
    img_options.setSaveFormat(save_format.SVG)
    img_options.setOnePagePerSheet(true)
    
    # Convert each worksheet into svg format
    sheet_count = workbook.getWorksheets().getCount()

    i=0
    while i < sheet_count
        sheet = workbook.getWorksheets().get(i)

        sr = Rjb::import('com.aspose.cells.SheetRender').new(sheet, img_options)

        k=0
        while sr.getPageCount()
            # Output the worksheet into Svg image format
            sr.toImage(k, @data_dir + sheet.getName() + "#{k}.svg")
        end
    end

    puts "SVG saved successfully."
end