Examples with MissingOperandException org.apache.pdfbox.contentstream.operator.MissingOperandException used on opensource projects

Example 21 with MissingOperandException

use of org.apache.pdfbox.contentstream.operator.MissingOperandException in project pdfbox by apache.

the class SetFontAndSize method process.

@Override
public void process(Operator operator, List<COSBase> arguments) throws IOException {
    if (arguments.size() < 2) {
        throw new MissingOperandException(operator, arguments);
    }
    COSBase base0 = arguments.get(0);
    COSBase base1 = arguments.get(1);
    if (!(base0 instanceof COSName)) {
        return;
    }
    if (!(base1 instanceof COSNumber)) {
        return;
    }
    COSName fontName = (COSName) base0;
    float fontSize = ((COSNumber) base1).floatValue();
    context.getGraphicsState().getTextState().setFontSize(fontSize);
    PDFont font = context.getResources().getFont(fontName);
    context.getGraphicsState().getTextState().setFont(font);
}

Example 22 with MissingOperandException

use of org.apache.pdfbox.contentstream.operator.MissingOperandException in project pdfbox by apache.

the class SetFlatness method process.

@Override
public void process(Operator operator, List<COSBase> operands) throws IOException {
    if (operands.size() < 1) {
        throw new MissingOperandException(operator, operands);
    }
    if (!checkArrayTypesClass(operands, COSNumber.class)) {
        return;
    }
    COSNumber value = (COSNumber) operands.get(0);
    context.getGraphicsState().setFlatness(value.floatValue());
}

Example 23 with MissingOperandException

use of org.apache.pdfbox.contentstream.operator.MissingOperandException in project pdfbox by apache.

the class SetLineDashPattern method process.

@Override
public void process(Operator operator, List<COSBase> arguments) throws MissingOperandException {
    if (arguments.size() < 2) {
        throw new MissingOperandException(operator, arguments);
    }
    COSBase base0 = arguments.get(0);
    if (!(base0 instanceof COSArray)) {
        return;
    }
    COSBase base1 = arguments.get(1);
    if (!(base1 instanceof COSNumber)) {
        return;
    }
    COSArray dashArray = (COSArray) base0;
    int dashPhase = ((COSNumber) base1).intValue();
    boolean allZero = true;
    for (COSBase base : dashArray) {
        if (base instanceof COSNumber) {
            COSNumber num = (COSNumber) base;
            if (Float.compare(num.floatValue(), 0) != 0) {
                allZero = false;
                break;
            }
        } else {
            LOG.warn("dash array has non number element " + base + ", ignored");
            dashArray = new COSArray();
            break;
        }
    }
    if (dashArray.size() > 0 && allZero) {
        LOG.warn("dash lengths all zero, ignored");
        dashArray = new COSArray();
    }
    context.setLineDashPattern(dashArray, dashPhase);
}