Examples with PDTransparencyGroup com.tom_roush.pdfbox.pdmodel.graphics.form.PDTransparencyGroup used on opensource projects

Example 6 with PDTransparencyGroup

use of com.tom_roush.pdfbox.pdmodel.graphics.form.PDTransparencyGroup in project PdfBox-Android by TomRoush.

the class DrawObject method process.

@Override
public void process(Operator operator, List<COSBase> operands) throws IOException {
    if (operands.isEmpty()) {
        throw new MissingOperandException(operator, operands);
    }
    COSBase base0 = operands.get(0);
    if (!(base0 instanceof COSName)) {
        return;
    }
    COSName objectName = (COSName) base0;
    PDXObject xobject = context.getResources().getXObject(objectName);
    if (xobject == null) {
        throw new MissingResourceException("Missing XObject: " + objectName.getName());
    } else if (xobject instanceof PDImageXObject) {
        PDImageXObject image = (PDImageXObject) xobject;
        context.drawImage(image);
    } else if (xobject instanceof PDFormXObject) {
        try {
            context.increaseLevel();
            if (context.getLevel() > 25) {
                Log.e("PdfBox-Android", "recursion is too deep, skipping form XObject");
                return;
            }
            PDFormXObject form = (PDFormXObject) xobject;
            if (form instanceof PDTransparencyGroup) {
                context.showTransparencyGroup((PDTransparencyGroup) form);
            } else {
                context.showForm(form);
            }
        } finally {
            context.decreaseLevel();
        }
    }
}