Examples with Canvas com.itextpdf.layout.Canvas used on opensource projects

Example 1 with Canvas

use of com.itextpdf.layout.Canvas in project i7js-highlevel by itext.

the class CanvasFontMethods method createPdf.

public void createPdf(String dest) throws IOException {
    // Initialize PDF document
    PdfDocument pdf = new PdfDocument(new PdfWriter(dest));
    // Initialize document
    PdfPage page = pdf.addNewPage();
    PdfCanvas pdfCanvas = new PdfCanvas(page);
    Rectangle rectangle = new Rectangle(36, 36, 523, 770);
    Canvas canvas = new Canvas(pdfCanvas, rectangle);
    Paragraph p;
    p = new Paragraph("Testing font methods");
    canvas.add(p);
    PdfFont font = PdfFontFactory.createFont(StandardFonts.TIMES_ROMAN);
    canvas.setFont(font);
    p = new Paragraph("Testing font methods: changed font");
    canvas.add(p);
    canvas.setFontSize(18);
    p = new Paragraph("Testing font methods: changed font size");
    canvas.add(p);
    canvas.setFontColor(ColorConstants.BLUE);
    p = new Paragraph("Testing font methods: changed color");
    canvas.add(p);
    canvas.setBold();
    p = new Paragraph("Testing font methods: to bold");
    canvas.add(p);
    canvas.setItalic();
    p = new Paragraph("Testing font methods: to italic");
    canvas.add(p);
    canvas.setProperty(Property.BOLD_SIMULATION, false);
    canvas.setProperty(Property.ITALIC_SIMULATION, false);
    canvas.setProperty(Property.FONT_COLOR, null);
    p = new Paragraph("Testing font methods: resetting style and color");
    canvas.add(p);
    canvas.setLineThrough();
    p = new Paragraph("Testing font methods: line through (default)");
    canvas.add(p);
    canvas.setProperty(Property.UNDERLINE, null);
    canvas.setUnderline();
    p = new Paragraph("Testing font methods: underline (default)");
    canvas.add(p);
    canvas.setProperty(Property.UNDERLINE, null);
    canvas.setUnderline(2, 4);
    canvas.setUnderline(ColorConstants.BLUE, 5, 0.1f, 2, -0.5f, PdfCanvasConstants.LineCapStyle.ROUND);
    p = new Paragraph("Testing font methods: underline (custom)");
    canvas.add(p);
    canvas.setProperty(Property.UNDERLINE, null);
    canvas.setTextRenderingMode(PdfCanvasConstants.TextRenderingMode.STROKE);
    p = new Paragraph("Testing font methods: change text rendering mode");
    canvas.add(p);
    canvas.setStrokeWidth(0.1f);
    canvas.setStrokeColor(ColorConstants.BLUE);
    p = new Paragraph("Testing font methods: change stroke width and color");
    canvas.add(p);
    // Close document
    pdf.close();
}

Example 2 with Canvas

use of com.itextpdf.layout.Canvas in project pdf-editor by Pdf-Creator.

the class PDFDocument method addRectangleWithTableItem.

public void addRectangleWithTableItem(TableItem tableItem) {
    PdfCanvas canvas = new PdfCanvas(currentPage);
    Rectangle rect = new Rectangle(tableItem.getX(), tableItem.getY(), tableItem.getW(), tableItem.getH());
    canvas.setStrokeColor(tableItem.getRectangleStrokeColor()).setFillColor(tableItem.getRectangleFillColor()).rectangle(rect).fill().stroke();
    Table table = new Table(tableItem.getCols());
    table.setFontColor(tableItem.getFontColor());
    for (String cellContent : tableItem.getCellContents()) {
        table.addCell(cellContent);
    }
    new Canvas(canvas, rect).add(table);
}

Example 3 with Canvas

use of com.itextpdf.layout.Canvas in project pdf-editor by Pdf-Creator.

the class PDFDocument method addRectangleWithFormulaItem.

public void addRectangleWithFormulaItem(FormulaItem formulaItem) throws IOException {
    PdfCanvas canvas = new PdfCanvas(currentPage);
    Rectangle rect = new Rectangle(formulaItem.getX(), formulaItem.getY(), formulaItem.getW(), formulaItem.getW());
    canvas.setStrokeColor(formulaItem.getRectangleStrokeColor()).setFillColor(formulaItem.getRectangleStrokeColor()).rectangle(rect).fill().stroke();
    // very strange method
    TeXFormula tf = new TeXFormula(formulaItem.getFormula());
    TeXIcon ti = tf.createTeXIcon(TeXConstants.STYLE_DISPLAY, formulaItem.getFontSize());
    BufferedImage bimg = new BufferedImage(ti.getIconWidth(), ti.getIconHeight(), BufferedImage.TYPE_4BYTE_ABGR);
    // -- painting the formula --
    Graphics2D g2d = bimg.createGraphics();
    g2d.setColor(Color.white);
    g2d.fillRect(0, 0, ti.getIconWidth(), ti.getIconHeight());
    JLabel jl = new JLabel();
    jl.setForeground(new Color(0, 0, 0));
    ti.paintIcon(jl, g2d, 0, 0);
    // --------------------------
    // -- adding it to pdf --
    ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
    ImageIO.write(bimg, "png", byteArrayOutputStream);
    ImageData data = ImageDataFactory.create(byteArrayOutputStream.toByteArray());
    Image image = new Image(data);
    image.setFixedPosition(formulaItem.getX(), formulaItem.getY());
    image.scaleAbsolute(formulaItem.getW(), formulaItem.getH());
    new Canvas(canvas, rect).add(image);
}

Example 4 with Canvas

use of com.itextpdf.layout.Canvas in project i7j-pdfsweep by itext.

the class PdfCleanUpTool method drawOverlayText.

private void drawOverlayText(PdfCanvas canvas, String overlayText, Rectangle annotRect, PdfBoolean repeat, PdfString defaultAppearance, int justification) throws IOException {
    Map<String, List> parsedDA;
    try {
        parsedDA = parseDAParam(defaultAppearance);
    } catch (NullPointerException npe) {
        throw new PdfException(CleanupExceptionMessageConstant.DEFAULT_APPEARANCE_NOT_FOUND);
    }
    PdfFont font;
    float fontSize = 12;
    List fontArgs = parsedDA.get("Tf");
    PdfDictionary formDictionary = pdfDocument.getCatalog().getPdfObject().getAsDictionary(PdfName.AcroForm);
    if (fontArgs != null && formDictionary != null) {
        font = getFontFromAcroForm((PdfName) fontArgs.get(0));
        fontSize = ((PdfNumber) fontArgs.get(1)).floatValue();
    } else {
        font = PdfFontFactory.createFont();
    }
    if (pdfDocument.isTagged()) {
        canvas.openTag(new CanvasArtifact());
    }
    Canvas modelCanvas = new Canvas(canvas, annotRect, false);
    Paragraph p = new Paragraph(overlayText).setFont(font).setFontSize(fontSize).setMargin(0);
    TextAlignment textAlignment = TextAlignment.LEFT;
    switch(justification) {
        case 1:
            textAlignment = TextAlignment.CENTER;
            break;
        case 2:
            textAlignment = TextAlignment.RIGHT;
            break;
        default:
    }
    p.setTextAlignment(textAlignment);
    List strokeColorArgs = parsedDA.get("StrokeColor");
    if (strokeColorArgs != null) {
        p.setStrokeColor(getColor(strokeColorArgs));
    }
    List fillColorArgs = parsedDA.get("FillColor");
    if (fillColorArgs != null) {
        p.setFontColor(getColor(fillColorArgs));
    }
    modelCanvas.add(p);
    if (repeat != null && repeat.getValue()) {
        boolean hasFull = modelCanvas.getRenderer().hasProperty(Property.FULL);
        boolean isFull = hasFull ? (boolean) modelCanvas.getRenderer().getPropertyAsBoolean(Property.FULL) : false;
        while (!isFull) {
            p.add(overlayText);
            LayoutArea previousArea = modelCanvas.getRenderer().getCurrentArea().clone();
            modelCanvas.relayout();
            if (modelCanvas.getRenderer().getCurrentArea().equals(previousArea)) {
                // Avoid infinite loop. This might be caused by the fact that the font does not support the text we want to show
                break;
            }
            hasFull = modelCanvas.getRenderer().hasProperty(Property.FULL);
            isFull = hasFull ? (boolean) modelCanvas.getRenderer().getPropertyAsBoolean(Property.FULL) : false;
        }
    }
    modelCanvas.getRenderer().flush();
    if (pdfDocument.isTagged()) {
        canvas.closeTag();
    }
}

Example 5 with Canvas

use of com.itextpdf.layout.Canvas in project axelor-open-suite by axelor.

the class TableFooterEventHandler method handleEvent.

@SuppressWarnings("resource")
@Override
public void handleEvent(Event event) {
    PdfDocumentEvent docEvent = (PdfDocumentEvent) event;
    PdfDocument pdfDoc = docEvent.getDocument();
    PdfPage page = docEvent.getPage();
    PdfCanvas canvas = new PdfCanvas(page.newContentStreamBefore(), page.getResources(), pdfDoc);
    Rectangle rect1 = new Rectangle(pdfDoc.getDefaultPageSize().getX() + doc.getLeftMargin(), pdfDoc.getDefaultPageSize().getBottom() - doc.getBottomMargin(), 100, 90);
    new Canvas(canvas, pdfDoc, rect1).add(tableFooter);
}