package mkl.testarea.pdfbox2.content; import java.io.File; import java.io.IOException; import java.io.InputStream; import org.apache.pdfbox.Loader; import org.apache.pdfbox.pdmodel.PDDocument; import org.apache.pdfbox.pdmodel.PDPage; import org.apache.pdfbox.pdmodel.PDPageContentStream; import org.apache.pdfbox.pdmodel.common.PDRectangle; import org.apache.pdfbox.pdmodel.graphics.image.PDImageXObject; import org.apache.pdfbox.util.Matrix; import org.junit.BeforeClass; import org.junit.Test; import com.google.common.io.ByteStreams; /** * @author mkl */ public class AddImage { final static File RESULT_FOLDER = new File("target/test-outputs", "content"); @BeforeClass public static void setUpBeforeClass() throws Exception { RESULT_FOLDER.mkdirs(); } /** * <a href="https://stackoverflow.com/questions/49958604/draw-image-at-mid-position-using-pdfbox-java"> * Draw image at mid position using pdfbox Java * </a> * <p> * This is the OP's original code. It mirrors the image. * This can be fixed as shown in {@link #testImageAppendNoMirror()}. * </p> */ @Test public void testImageAppendLikeShanky() throws IOException { try ( InputStream resource = getClass().getResourceAsStream("/mkl/testarea/pdfbox2/sign/test.pdf"); InputStream imageResource = getClass().getResourceAsStream("Willi-1.jpg") ) { PDDocument doc = Loader.loadPDF(resource); PDImageXObject pdImage = PDImageXObject.createFromByteArray(doc, ByteStreams.toByteArray(imageResource), "Willi"); int w = pdImage.getWidth(); int h = pdImage.getHeight(); PDPage page = doc.getPage(0); PDPageContentStream contentStream = new PDPageContentStream(doc, page, PDPageContentStream.AppendMode.APPEND, true); float x_pos = page.getCropBox().getWidth(); float y_pos = page.getCropBox().getHeight(); float x_adjusted = ( x_pos - w ) / 2; float y_adjusted = ( y_pos - h ) / 2; Matrix mt = new Matrix(1f, 0f, 0f, -1f, page.getCropBox().getLowerLeftX(), page.getCropBox().getUpperRightY()); contentStream.transform(mt); contentStream.drawImage(pdImage, x_adjusted, y_adjusted, w, h); contentStream.close(); doc.save(new File(RESULT_FOLDER, "test-with-image-shanky.pdf")); doc.close(); } } /** * <a href="https://stackoverflow.com/questions/49958604/draw-image-at-mid-position-using-pdfbox-java"> * Draw image at mid position using pdfbox Java * </a> * <p> * This is a fixed version of the the OP's original code, cf. * {@link #testImageAppendLikeShanky()}. It does not mirrors the image. * </p> */ @Test public void testImageAppendNoMirror() throws IOException { try ( InputStream resource = getClass().getResourceAsStream("/mkl/testarea/pdfbox2/sign/test.pdf"); InputStream imageResource = getClass().getResourceAsStream("Willi-1.jpg") ) { PDDocument doc = Loader.loadPDF(resource); PDImageXObject pdImage = PDImageXObject.createFromByteArray(doc, ByteStreams.toByteArray(imageResource), "Willi"); int w = pdImage.getWidth(); int h = pdImage.getHeight(); PDPage page = doc.getPage(0); PDPageContentStream contentStream = new PDPageContentStream(doc, page, PDPageContentStream.AppendMode.APPEND, true); float x_pos = page.getCropBox().getWidth(); float y_pos = page.getCropBox().getHeight(); float x_adjusted = ( x_pos - w ) / 2 + page.getCropBox().getLowerLeftX(); float y_adjusted = ( y_pos - h ) / 2 + page.getCropBox().getLowerLeftY(); contentStream.drawImage(pdImage, x_adjusted, y_adjusted, w, h); contentStream.close(); doc.save(new File(RESULT_FOLDER, "test-with-image-no-mirror.pdf")); doc.close(); } } /** * <a href="https://stackoverflow.com/questions/50988007/clip-an-image-with-pdfbox"> * Clip an image with PDFBOX * </a> * <p> * This test demonstrates how to clip an image and frame the clipping area. * </p> */ @SuppressWarnings("deprecation") @Test public void testImageAddClipped() throws IOException { try ( InputStream imageResource = getClass().getResourceAsStream("Willi-1.jpg") ) { PDDocument doc = new PDDocument(); PDImageXObject pdImage = PDImageXObject.createFromByteArray(doc, ByteStreams.toByteArray(imageResource), "Willi"); int w = pdImage.getWidth(); int h = pdImage.getHeight(); PDPage page = new PDPage(); doc.addPage(page); PDRectangle cropBox = page.getCropBox(); PDPageContentStream contentStream = new PDPageContentStream(doc, page); contentStream.setStrokingColor(25, 200, 25); contentStream.setLineWidth(4); contentStream.moveTo(cropBox.getLowerLeftX(), cropBox.getLowerLeftY() + h/2); contentStream.lineTo(cropBox.getLowerLeftX() + w/3, cropBox.getLowerLeftY() + 2*h/3); contentStream.lineTo(cropBox.getLowerLeftX() + w, cropBox.getLowerLeftY() + h/2); contentStream.lineTo(cropBox.getLowerLeftX() + w/3, cropBox.getLowerLeftY() + h/3); contentStream.closePath(); //contentStream.clip(); contentStream.appendRawCommands("W "); contentStream.stroke(); contentStream.drawImage(pdImage, cropBox.getLowerLeftX(), cropBox.getLowerLeftY(), w, h); contentStream.close(); doc.save(new File(RESULT_FOLDER, "image-clipped.pdf")); doc.close(); } } }