Module: Asposewordsjavaforruby::AddWatermark

Defined in:
lib/asposewordsjavaforruby/addwatermark.rb

Instance Method Summary collapse

Instance Method Details

#initialize ⇒ Object 



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# File 'lib/asposewordsjavaforruby/addwatermark.rb', line 3

def initialize()
    # The path to the documents directory.

    data_dir = File.dirname(File.dirname(File.dirname(__FILE__))) + '/data/'
    
    doc = Rjb::import('com.aspose.words.Document').new(data_dir + "TestWatermark.doc")
    
    insert_watermark_text(doc, "CONFIDENTIAL")
    
    doc.save(data_dir + "TestWatermark Out.doc")
end

#insert_watermark_into_header(watermarkPara, sect, headerType) ⇒ Object 



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# File 'lib/asposewordsjavaforruby/addwatermark.rb', line 70

def insert_watermark_into_header(watermarkPara, sect, headerType)
    header = sect.getHeadersFooters().getByHeaderFooterType(headerType)
    
    if header.nil? then
        # There is no header of the specified type in the current section, create it.

        header = Rjb::import("com.aspose.words.HeaderFooter").new(sect.getDocument(), headerType)
        sect.getHeadersFooters().add(header)
    end
    
    # Insert a clone of the watermark into the header.

    header.appendChild(watermarkPara.deepClone(true))
end

#insert_watermark_text(doc, watermark_text) ⇒ Object

Inserts a watermark into a document.

@param doc The input document.
@param watermarkText Text of the watermark.



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# File 'lib/asposewordsjavaforruby/addwatermark.rb', line 20

def insert_watermark_text(doc, watermark_text)       
    # Create a watermark shape. This will be a WordArt shape.

    # You are free to try other shape types as watermarks.

    shape_type = Rjb::import("com.aspose.words.ShapeType")
    watermark = Rjb::import("com.aspose.words.Shape").new(doc,  shape_type.TEXT_PLAIN_TEXT)

    # Set up the text of the watermark.

    watermark.getTextPath().setText(watermark_text)
    watermark.getTextPath().setFontFamily("Arial")
    watermark.setWidth(500)
    watermark.setHeight(100)
    
    # Text will be directed from the bottom-left to the top-right corner.

    watermark.setRotation(-40)

    # Remove the following three lines if you need a solid black text.

    color = Rjb::import("java.awt.Color")
    watermark.getFill().setColor(color.GRAY) # Try LightGray to get more Word-style watermark

    watermark.setStrokeColor(color.GRAY) # Try LightGray to get more Word-style watermark


    # Place the watermark in the page center.

    relativeHorizontalPosition = Rjb::import("com.aspose.words.RelativeHorizontalPosition")
    watermark.setRelativeHorizontalPosition(relativeHorizontalPosition.PAGE)
    watermark.setRelativeVerticalPosition(relativeHorizontalPosition.PAGE)
    
    wrapType = Rjb::import("com.aspose.words.WrapType")
    watermark.setWrapType(wrapType.NONE)

    verticalAlignment = Rjb::import("com.aspose.words.VerticalAlignment")
    watermark.setVerticalAlignment(verticalAlignment.CENTER)

    horizontalAlignment = Rjb::import("com.aspose.words.HorizontalAlignment")
    watermark.setHorizontalAlignment(horizontalAlignment.CENTER)

    # Create a new paragraph and append the watermark to this paragraph.

    watermarkPara = Rjb::import("com.aspose.words.Paragraph").new(doc)
    watermarkPara.appendChild(watermark)
    sects = doc.getSections().toArray()

    # Insert the watermark into all headers of each document section.

    sects.each do |sect|
        headerFooterType = Rjb::import("com.aspose.words.HeaderFooterType")
        # There could be up to three different headers in each section, since we want

        # the watermark to appear on all pages, insert into all headers.

        insert_watermark_into_header(watermarkPara, sect, headerFooterType.HEADER_PRIMARY)
        insert_watermark_into_header(watermarkPara, sect, headerFooterType.HEADER_FIRST)
        insert_watermark_into_header(watermarkPara, sect, headerFooterType.HEADER_EVEN)
    end
end