Java Code Examples for com.itextpdf.text.pdf.PdfContentByte#stroke()

The following examples show how to use com.itextpdf.text.pdf.PdfContentByte#stroke() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: TestTransparency.java    From testarea-itext5 with GNU Affero General Public License v3.0 5 votes vote down vote up 
@Test
public void testSimple() throws FileNotFoundException, DocumentException
{
    Document document = new Document();
    PdfWriter writer = PdfWriter.getInstance(document, new FileOutputStream(new File(RESULT_FOLDER, "transparency.pdf")));
    writer.setCompressionLevel(0);
    document.open();
    PdfContentByte content = writer.getDirectContent();

    content.setRGBColorStroke(0, 255, 0);
    for (int y = 0; y <= 400; y+= 10)
    {
        content.moveTo(0, y);
        content.lineTo(500, y);
    }
    for (int x = 0; x <= 500; x+= 10)
    {
        content.moveTo(x, 0);
        content.lineTo(x, 400);
    }
    content.stroke();

    
    content.saveState();
    PdfGState state = new PdfGState();
    state.setFillOpacity(0.5f);
    content.setGState(state);
    content.setRGBColorFill(255, 0, 0);
    content.moveTo(162, 86);
    content.lineTo(162, 286);
    content.lineTo(362, 286);
    content.lineTo(362, 86);
    content.closePath();
    //content.fillStroke();
    content.fill();
    
    content.restoreState();

    document.close();
}
Example 2
Source File: TextLocationExtraction.java    From testarea-itext5 with GNU Affero General Public License v3.0 5 votes vote down vote up 
void mark(InputStream input, OutputStream output, Pattern pattern) throws DocumentException, IOException
{
    PdfReader reader = new PdfReader(input);
    PdfStamper stamper = new PdfStamper(reader, output);
    try {
        PdfReaderContentParser parser = new PdfReaderContentParser(reader);
        for (int pageNr = 1; pageNr <= reader.getNumberOfPages(); pageNr++)
        {
            SearchTextLocationExtractionStrategy strategy = new SearchTextLocationExtractionStrategy(pattern);
            parser.processContent(pageNr, strategy, Collections.emptyMap()).getResultantText();
            Collection<TextRectangle> locations = strategy.getLocations(null);
            if (locations.isEmpty())
                continue;

            PdfContentByte canvas = stamper.getOverContent(pageNr);
            canvas.setRGBColorStroke(255, 255, 0);
            for (TextRectangle location : locations)
            {
                canvas.rectangle(location.getMinX(), location.getMinY(), location.getWidth(), location.getHeight());
            }
            canvas.stroke();
        }
        stamper.close();
    } finally {
        reader.close();
    }
}
Example 3
Source File: FindFreeSpace.java    From testarea-itext5 with GNU Affero General Public License v3.0 5 votes vote down vote up 
void enhance(PdfContentByte page, Collection<Rectangle2D> rectangles)
{
    for (Rectangle2D rectangle : rectangles)
    {
        page.setColorStroke(pickColor());
        page.rectangle((float) rectangle.getMinX(), (float) rectangle.getMinY(), (float) rectangle.getWidth(), (float) rectangle.getHeight());
        page.stroke();
    }
}
Example 4
Source File: TestTransparency.java    From testarea-itext5 with GNU Affero General Public License v3.0 4 votes vote down vote up 
@Test
public void testComplex() throws FileNotFoundException, DocumentException
{
    Document document = new Document();
    PdfWriter writer = PdfWriter.getInstance(document, new FileOutputStream(new File(RESULT_FOLDER, "transparencyComplex.pdf")));
    writer.setCompressionLevel(0);
    document.open();
    PdfContentByte content = writer.getDirectContent();

    content.setRGBColorStroke(0, 255, 0);
    for (int y = 0; y <= 400; y+= 10)
    {
        content.moveTo(0, y);
        content.lineTo(500, y);
    }
    for (int x = 0; x <= 500; x+= 10)
    {
        content.moveTo(x, 0);
        content.lineTo(x, 400);
    }
    content.stroke();

    PdfTemplate template = content.createTemplate(500, 400);
    PdfTransparencyGroup group = new PdfTransparencyGroup();
    group.put(PdfName.CS, PdfName.DEVICEGRAY);
    group.setIsolated(false);
    group.setKnockout(false);
    template.setGroup(group);
    PdfShading radial = PdfShading.simpleRadial(writer, 262, 186, 10, 262, 186, 190, BaseColor.WHITE, BaseColor.BLACK, true, true);
    template.paintShading(radial);

    PdfDictionary mask = new PdfDictionary();
    mask.put(PdfName.TYPE, PdfName.MASK);
    mask.put(PdfName.S, new PdfName("Luminosity"));
    mask.put(new PdfName("G"), template.getIndirectReference());

    content.saveState();
    PdfGState state = new PdfGState();
    state.put(PdfName.SMASK, mask);
    content.setGState(state);
    content.setRGBColorFill(255, 0, 0);
    content.moveTo(162, 86);
    content.lineTo(162, 286);
    content.lineTo(362, 286);
    content.lineTo(362, 86);
    content.closePath();
    //content.fillStroke();
    content.fill();
    
    content.restoreState();

    document.close();
}
Example 5
Source File: ExtractSuperAndSubInLine.java    From testarea-itext5 with GNU Affero General Public License v3.0 4 votes vote down vote up 
void markLineBoundaries(String resource, int startPage, int endPage) throws IOException, DocumentException
{
    String name = new File(resource).getName();
    String target = String.format("%s-lines-%s-%s.pdf", name, startPage, endPage);
    InputStream resourceStream = getClass().getResourceAsStream(resource);
    try
    {
        PdfReader reader = new PdfReader(resourceStream);
        PdfReaderContentParser parser = new PdfReaderContentParser(reader);
        System.out.printf("\nLine boundaries in %s\n", name);

        PdfStamper stamper = new PdfStamper(reader, new FileOutputStream(new File(RESULT_FOLDER, target)));
        
        for (int page = startPage; page < endPage; page++)
        {
            System.out.printf("\n   Page %s\n   ", page);
            
            TextLineFinder finder = new TextLineFinder();
            parser.processContent(page, finder);

            PdfContentByte over = stamper.getOverContent(page);
            Rectangle mediaBox = reader.getPageSize(page);
            
            for (float flip: finder.verticalFlips)
            {
                System.out.printf(" %s", flip);
                over.moveTo(mediaBox.getLeft(), flip);
                over.lineTo(mediaBox.getRight(), flip);
            }

            System.out.println();
            over.stroke();
        }

        stamper.close();
    }
    finally
    {
        if (resourceStream != null)
            resourceStream.close();
    }
}