Example usage for com.lowagie.text Image setTransparency

Introduction

In this page you can find the example usage for com.lowagie.text Image setTransparency.

Prototype

public void setTransparency(int transparency[]) 

Source Link

Document

Sets the transparency values

Usage

From source file:jm.web.Addons.java

License:GNU General Public License

public static Image setMarcaAgua(String logo, int ancho, int alto) {
    try {/* w w  w .  j  a  v a2  s  .c  o m*/
        Image imagelogo = Image.getInstance(logo);
        imagelogo.setTransparency(new int[] { 255, 255 });
        imagelogo.setRotationDegrees(57);
        imagelogo.scaleAbsolute(ancho, alto);
        imagelogo.setAbsolutePosition(0, 30);
        return imagelogo;
    } catch (Exception e) {
        e.printStackTrace();
    }
    return null;
}

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From source file:questions.images.MakingImageTransparent.java

public static void main(String args[]) {
    try {/*from  ww  w.j  a  v a  2  s  .  com*/
        Rectangle rect;
        // GIF Image
        Image gif = Image.getInstance(GIF);
        gif.setAbsolutePosition(0, 0);
        gif.setTransparency(new int[] { 0x5B, 0x5D });
        rect = new Rectangle(gif.getScaledWidth(), gif.getScaledHeight());
        rect.setBackgroundColor(Color.YELLOW);

        Document document = new Document(rect);
        PdfWriter.getInstance(document, new FileOutputStream(RESULT));
        document.open();
        document.add(gif);

        // JPEG Image
        java.awt.Image awtImage = Toolkit.getDefaultToolkit().createImage(JPG);
        Image jpg = Image.getInstance(awtImage, null, true);
        jpg.setTransparency(new int[] { 0xF0, 0xFF });
        jpg.setAbsolutePosition(0, 0);
        rect = new Rectangle(jpg.getScaledWidth(), jpg.getScaledHeight());
        rect.setBackgroundColor(Color.YELLOW);

        document.setPageSize(rect);
        document.newPage();
        document.add(jpg);
        document.close();
    } catch (DocumentException e) {
        e.printStackTrace();
    } catch (IOException e) {
        e.printStackTrace();
    }
}

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From source file:questions.images.OverlappingImages.java

public static void main(String[] args) {
    // step 1: creation of a document-object
    Document document = new Document(PageSize.POSTCARD);
    try {/*from   ww  w  . j a v a 2 s. c o  m*/
        // step 2:
        // we create a writer
        PdfWriter.getInstance(
                // that listens to the document
                document,
                // and directs a PDF-stream to a file
                new FileOutputStream(RESULT));
        // step 3: we open the document
        document.open();
        // step 4: we add a paragraph to the document
        Image img1 = Image.getInstance(RESOURCE1);
        img1.scaleToFit(PageSize.POSTCARD.getWidth(), 10000);
        img1.setAbsolutePosition(0, 0);
        document.add(img1);
        Image img2 = Image.getInstance(RESOURCE2);
        img2.setTransparency(new int[] { 0x00, 0x10 });
        img2.setAbsolutePosition(PageSize.POSTCARD.getWidth() - img2.getScaledWidth(),
                PageSize.POSTCARD.getHeight() - img2.getScaledHeight());
        document.add(img2);
        Image img3 = Image.getInstance(RESOURCE3);
        img3.setTransparency(new int[] { 0xF0, 0xFF });
        img3.setAbsolutePosition((PageSize.POSTCARD.getWidth() - img3.getScaledWidth()) / 2,
                (PageSize.POSTCARD.getHeight() - img3.getScaledHeight()) / 2);
        document.add(img3);
    } catch (DocumentException de) {
        System.err.println(de.getMessage());
    } catch (IOException ioe) {
        System.err.println(ioe.getMessage());
    }

    // step 5: we close the document
    document.close();

}

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