Example usage for org.apache.pdfbox.util Matrix Matrix

Introduction

In this page you can find the example usage for org.apache.pdfbox.util Matrix Matrix.

Prototype

public Matrix(AffineTransform at) 

Source Link

Document

Creates a matrix with the same elements as the given AffineTransform.

Usage

From source file:de.rototor.pdfbox.graphics2d.PdfBoxGraphics2D.java

License:Apache License

public boolean drawImage(Image img, AffineTransform xform, ImageObserver obs) {
    checkNoCopyActive();/*w w  w  .  j a  v  a  2s .  c om*/
    AffineTransform tf = new AffineTransform();
    tf.concatenate(baseTransform);
    tf.concatenate(transform);

    // Sometimes the xform can be null
    if (xform != null)
        tf.concatenate((AffineTransform) xform.clone());

    PDImageXObject pdImage = imageEncoder.encodeImage(document, contentStream, img);
    try {
        contentStreamSaveState();
        int imgHeight = img.getHeight(obs);
        tf.translate(0, imgHeight);
        tf.scale(1, -1);
        contentStream.transform(new Matrix(tf));

        Object keyInterpolation = renderingHints.get(RenderingHints.KEY_INTERPOLATION);
        if (RenderingHints.VALUE_INTERPOLATION_NEAREST_NEIGHBOR.equals(keyInterpolation))
            pdImage.setInterpolate(false);
        contentStream.drawImage(pdImage, 0, 0, img.getWidth(obs), imgHeight);
        contentStreamRestoreState();
    } catch (IOException e) {
        throwException(e);
    }
    return true;
}

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From source file:de.rototor.pdfbox.graphics2d.PdfBoxGraphics2D.java

License:Apache License

private void drawStringUsingText(AttributedCharacterIterator iterator, float x, float y)
        throws IOException, FontFormatException {
    contentStreamSaveState();//from   w ww. ja  va2  s . com

    AffineTransform tf = new AffineTransform(baseTransform);
    tf.concatenate(transform);
    tf.translate(x, y);
    contentStream.transform(new Matrix(tf));

    fontTextDrawer.drawText(iterator, fontDrawerEnv);

    contentStreamRestoreState();
}

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