Example usage for com.itextpdf.text.pdf PdfName IMAGEMASK

Introduction

In this page you can find the example usage for com.itextpdf.text.pdf PdfName IMAGEMASK.

Prototype

PdfName IMAGEMASK

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Document

A name

Usage

From source file:mkl.testarea.itext5.pdfcleanup.PdfCleanUpRenderListener.java

License:Open Source License

public void renderImage(ImageRenderInfo renderInfo) {
    List<Rectangle> areasToBeCleaned = getImageAreasToBeCleaned(renderInfo);

    if (areasToBeCleaned == null) {
        chunks.add(new PdfCleanUpContentChunk.Image(false, null));
    } else {/* w w  w  .  j a  v a  2  s  . co m*/
        try {
            PdfImageObject pdfImage = renderInfo.getImage();
            byte[] imageBytes = processImage(pdfImage.getImageAsBytes(), areasToBeCleaned);

            if (renderInfo.getRef() == null && pdfImage != null) { // true => inline image
                PdfDictionary dict = pdfImage.getDictionary();
                PdfObject imageMask = dict.get(PdfName.IMAGEMASK);
                Image image = Image.getInstance(imageBytes);

                if (imageMask == null) {
                    imageMask = dict.get(PdfName.IM);
                }

                if (imageMask != null && imageMask.equals(PdfBoolean.PDFTRUE)) {
                    image.makeMask();
                }

                PdfContentByte canvas = getContext().getCanvas();
                canvas.addImage(image, 1, 0, 0, 1, 0, 0, true);
            } else if (pdfImage != null && imageBytes != pdfImage.getImageAsBytes()) {
                chunks.add(new PdfCleanUpContentChunk.Image(true, imageBytes));
            }
        } catch (Exception e) {
            throw new RuntimeException(e);
        }
    }
}

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