Example usage for com.itextpdf.text.pdf PdfContentByte restoreState

List of usage examples for com.itextpdf.text.pdf PdfContentByte restoreState

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  4. com.itextpdf.text.pdf.*
  5. PdfContentByte
  6. restoreState

Introduction

In this page you can find the example usage for com.itextpdf.text.pdf PdfContentByte restoreState.

Prototype

public void restoreState()

Source Link

Document

Restores the graphic state.

Usage

From source file:mymoney.view.java

private void jButton7ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButton7ActionPerformed
    getContentPane().setLayout(new BorderLayout());
    DefaultTableModel model = (DefaultTableModel) jTable1.getModel();
    JFileChooser cho = new JFileChooser();
    cho.showSaveDialog(null);//from   w  w w.  j a  v a  2 s . c  om
    File f = cho.getSelectedFile();
    String filename = f.getAbsolutePath();
    com.itextpdf.text.Document document = new com.itextpdf.text.Document();

    try {
        PdfWriter writer = PdfWriter.getInstance(document, new FileOutputStream(filename + ".pdf"));
        document.open();

        PdfContentByte cb = writer.getDirectContent();
        cb.saveState();
        PdfTemplate pdfTemplate = cb.createTemplate(jTable1.getWidth(), jTable1.getHeight());

        Graphics2D g2 = cb.createGraphicsShapes(800, 500);
        Shape oldClip = g2.getClip();
        g2.clipRect(0, 0, 800, 500);
        jTable1.print(g2);
        g2.setClip(oldClip);
        g2.dispose();
        cb.restoreState();
        JOptionPane.showMessageDialog(null, "Data Exported to pdf");
    } catch (Exception e) {
        JOptionPane.showMessageDialog(null, "Error");
    }
    document.close();

    // TODO add your handling code here:
}

From source file:mymoney.view.java

private void jButton10ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButton10ActionPerformed
    getContentPane().setLayout(new BorderLayout());
    DefaultTableModel model = (DefaultTableModel) jTable2.getModel();
    JFileChooser cho = new JFileChooser();
    cho.showSaveDialog(null);//  w ww . j a va 2 s .c  o  m
    File f = cho.getSelectedFile();
    String filename = f.getAbsolutePath();
    com.itextpdf.text.Document document = new com.itextpdf.text.Document();

    try {
        PdfWriter writer = PdfWriter.getInstance(document, new FileOutputStream(filename + ".pdf"));
        document.open();

        PdfContentByte cb = writer.getDirectContent();
        cb.saveState();
        PdfTemplate pdfTemplate = cb.createTemplate(jTable2.getWidth(), jTable2.getHeight());

        Graphics2D g2 = cb.createGraphicsShapes(800, 500);
        Shape oldClip = g2.getClip();
        g2.clipRect(0, 0, 800, 500);
        jTable2.print(g2);
        g2.setClip(oldClip);
        g2.dispose();
        cb.restoreState();
        JOptionPane.showMessageDialog(null, "Data Exported to pdf");
    } catch (Exception e) {
        JOptionPane.showMessageDialog(null, "Error");
    }
    document.close(); // TODO add your handling code here:
}

From source file:nz.ac.waikato.cms.doc.SimplePDFOverlay.java

License:Open Source License

/**
 * Applies the instructions to the input PDF.
 *
 * @return      null if successful, otherwise error message
 *//*from ww  w  .  ja  v  a 2  s. c  o  m*/
public String execute() {
    String result;
    String line;
    BufferedReader breader;
    FileReader freader;
    int i;
    int lineNo;
    String units;
    int pageNo;
    PdfReader reader;
    PdfStamper stamper;
    PdfContentByte cb;
    ColumnText ct;
    Font font;
    String[] parts;
    StringBuilder text;

    result = null;

    freader = null;
    breader = null;
    try {
        reader = new PdfReader(new FileInputStream(m_Pdf.getAbsolutePath()));
        stamper = new PdfStamper(reader, new FileOutputStream(m_Output.getAbsolutePath()));
        freader = new FileReader(m_Instructions);
        breader = new BufferedReader(freader);
        lineNo = 0;
        units = "pt";
        pageNo = 1;
        cb = stamper.getOverContent(pageNo);
        font = null;
        while ((line = breader.readLine()) != null) {
            lineNo++;
            if (line.trim().startsWith(PREFIX_COMMENT))
                continue;
            if (line.trim().length() == 0)
                continue;
            if (line.startsWith(PREFIX_UNITS)) {
                units = line.substring(PREFIX_UNITS.length()).trim().toLowerCase();
            } else if (line.startsWith(PREFIX_PAGE)) {
                pageNo = Integer.parseInt(line.substring(PREFIX_PAGE.length()).trim());
                cb = stamper.getOverContent(pageNo);
            } else if (line.startsWith(PREFIX_FONT)) {
                parts = line.substring(PREFIX_FONT.length()).trim().split(" ");
                if (parts.length == 3)
                    font = FontFactory.getFont(parts[0], Float.parseFloat(parts[1]),
                            new BaseColor(parseColor(parts[2]).getRGB()));
                else
                    m_Logger.warning("Font instruction not in expected format (" + FORMAT_FONT + "):\n" + line);
            } else if (line.startsWith(PREFIX_TEXT)) {
                parts = line.substring(PREFIX_TEXT.length()).trim().split(" ");
                if (parts.length >= 7) {
                    ct = new ColumnText(cb);
                    ct.setSimpleColumn(parseLocation(parts[0], reader.getPageSize(pageNo).getWidth(), units), // llx
                            parseLocation(parts[1], reader.getPageSize(pageNo).getHeight(), units), // lly
                            parseLocation(parts[2], reader.getPageSize(pageNo).getWidth(), units), // urx
                            parseLocation(parts[3], reader.getPageSize(pageNo).getHeight(), units), // ury
                            Float.parseFloat(parts[4]), // leading
                            parseAlignment(parts[5])); // alignment
                    text = new StringBuilder();
                    for (i = 6; i < parts.length; i++) {
                        if (text.length() > 0)
                            text.append(" ");
                        text.append(parts[i]);
                    }
                    if (font == null)
                        ct.setText(new Phrase(text.toString()));
                    else
                        ct.setText(new Phrase(text.toString(), font));
                    ct.go();
                } else {
                    m_Logger.warning("Text instruction not in expected format (" + FORMAT_TEXT + "):\n" + line);
                }
            } else if (line.startsWith(PREFIX_LINE)) {
                parts = line.substring(PREFIX_LINE.length()).trim().split(" ");
                if (parts.length >= 6) {
                    cb.saveState();
                    cb.setLineWidth(Float.parseFloat(parts[4])); // line width
                    cb.setColorStroke(new BaseColor(parseColor(parts[5]).getRGB())); // color
                    cb.moveTo(parseLocation(parts[0], reader.getPageSize(pageNo).getWidth(), units), // x
                            parseLocation(parts[1], reader.getPageSize(pageNo).getWidth(), units)); // y
                    cb.lineTo(parseLocation(parts[2], reader.getPageSize(pageNo).getWidth(), units), // w
                            parseLocation(parts[3], reader.getPageSize(pageNo).getWidth(), units)); // h
                    cb.stroke();
                    cb.restoreState();
                } else {
                    m_Logger.warning("Line instruction not in expected format (" + FORMAT_LINE + "):\n" + line);
                }
            } else if (line.startsWith(PREFIX_RECT)) {
                parts = line.substring(PREFIX_RECT.length()).trim().split(" ");
                if (parts.length >= 6) {
                    cb.saveState();
                    cb.rectangle(parseLocation(parts[0], reader.getPageSize(pageNo).getWidth(), units), // x
                            parseLocation(parts[1], reader.getPageSize(pageNo).getWidth(), units), // y
                            parseLocation(parts[2], reader.getPageSize(pageNo).getWidth(), units), // w
                            parseLocation(parts[3], reader.getPageSize(pageNo).getWidth(), units) // h
                    );
                    cb.setLineWidth(Float.parseFloat(parts[4])); // line width
                    cb.setColorStroke(new BaseColor(parseColor(parts[5]).getRGB())); // stroke
                    if (parts.length >= 7) {
                        cb.setColorFill(new BaseColor(parseColor(parts[6]).getRGB())); // fill
                        cb.fillStroke();
                    } else {
                        cb.stroke();
                    }
                    cb.restoreState();
                } else {
                    m_Logger.warning(
                            "Rectangle instruction not in expected format (" + FORMAT_RECT + "):\n" + line);
                }
            } else if (line.startsWith(PREFIX_OVAL)) {
                parts = line.substring(PREFIX_OVAL.length()).trim().split(" ");
                if (parts.length >= 6) {
                    cb.saveState();
                    cb.ellipse(parseLocation(parts[0], reader.getPageSize(pageNo).getWidth(), units), // x1
                            parseLocation(parts[1], reader.getPageSize(pageNo).getWidth(), units), // y1
                            parseLocation(parts[2], reader.getPageSize(pageNo).getWidth(), units), // x2
                            parseLocation(parts[3], reader.getPageSize(pageNo).getWidth(), units) // y2
                    );
                    cb.setLineWidth(Float.parseFloat(parts[4])); // line width
                    cb.setColorStroke(new BaseColor(parseColor(parts[5]).getRGB())); // stroke
                    if (parts.length >= 7) {
                        cb.setColorFill(new BaseColor(parseColor(parts[6]).getRGB())); // fill
                        cb.fillStroke();
                    } else {
                        cb.stroke();
                    }
                    cb.restoreState();
                } else {
                    m_Logger.warning("Oval instruction not in expected format (" + FORMAT_OVAL + "):\n" + line);
                }
            } else {
                m_Logger.warning("Unknown command on line #" + lineNo + ":\n" + line);
            }
        }
        stamper.close();
    } catch (Exception e) {
        result = "Failed to process!\n" + Utils.throwableToString(e);
    } finally {
        FileUtils.closeQuietly(breader);
        FileUtils.closeQuietly(freader);
    }

    return result;
}

From source file:org.durel.mydooble.PDF.java

License:Open Source License

public void newCard() {
    col++;//  w w  w.j a  v a2 s  . c om
    if (col > (COL_NUM - 1)) {
        col = 0;
        row++;
        if (row > (ROW_NUM - 1))
            newPage();
    }
    float x1 = col * (WIDTH + MARGIN) + MARGIN;
    float x2 = (col + 1) * (WIDTH + MARGIN);
    float y2 = (row + 1) * (HEIGHT + MARGIN);
    float y1 = row * (HEIGHT + MARGIN) + MARGIN;
    cardBox = new Rectangle(x1, y1, x2, y2);
    try {
        PdfContentByte cb = writer.getDirectContent();
        cb.saveState();
        cardBox.setBorderWidth(1.2f);
        cardBox.setBorderColor(BaseColor.BLACK);
        cardBox.setBorder(Rectangle.BOX);
        cb.rectangle(cardBox);
        cb.stroke();
        cb.restoreState();
    } catch (Exception e) {
        e.printStackTrace();
    }
}

From source file:org.frobic.colorednodes.renderers.NewEdgeRenderer.java

License:Open Source License

@Override
public void renderSelfLoop(Item nodeItem, float thickness, Color color, PreviewProperties properties,
        RenderTarget renderTarget) {//from  w  w w .j a  v  a 2s .co  m
    Float x = nodeItem.getData(NodeItem.X);
    Float y = nodeItem.getData(NodeItem.Y);
    Float size = nodeItem.getData(NodeItem.SIZE);
    Node node = (Node) nodeItem.getSource();

    PVector v1 = new PVector(x, y);
    v1.add(size, -size, 0);

    PVector v2 = new PVector(x, y);
    v2.add(size, size, 0);

    if (renderTarget instanceof ProcessingTarget) {
        PGraphics graphics = ((ProcessingTarget) renderTarget).getGraphics();
        graphics.strokeWeight(thickness);
        graphics.stroke(color.getRed(), color.getGreen(), color.getBlue(), color.getAlpha());
        graphics.noFill();
        graphics.bezier(x, y, v1.x, v1.y, v1.x, v2.y, x, y);
    } else if (renderTarget instanceof SVGTarget) {
        SVGTarget svgTarget = (SVGTarget) renderTarget;

        Element selfLoopElem = svgTarget.createElement("path");
        selfLoopElem.setAttribute("d", String.format(Locale.ENGLISH, "M %f,%f C %f,%f %f,%f %f,%f", x, y, v1.x,
                v1.y, v2.x, v2.y, x, y));
        selfLoopElem.setAttribute("class", node.getNodeData().getId());
        selfLoopElem.setAttribute("stroke", svgTarget.toHexString(color));
        selfLoopElem.setAttribute("stroke-opacity", (color.getAlpha() / 255f) + "");
        selfLoopElem.setAttribute("stroke-width", Float.toString(thickness * svgTarget.getScaleRatio()));
        selfLoopElem.setAttribute("fill", "none");
        svgTarget.getTopElement(SVGTarget.TOP_EDGES).appendChild(selfLoopElem);
    } else if (renderTarget instanceof PDFTarget) {
        PDFTarget pdfTarget = (PDFTarget) renderTarget;
        PdfContentByte cb = pdfTarget.getContentByte();
        cb.moveTo(x, -y);
        cb.curveTo(v1.x, -v1.y, v2.x, -v2.y, x, -y);
        cb.setRGBColorStroke(color.getRed(), color.getGreen(), color.getBlue());
        cb.setLineWidth(thickness);
        if (color.getAlpha() < 255) {
            cb.saveState();
            float alpha = color.getAlpha() / 255f;
            PdfGState gState = new PdfGState();
            gState.setStrokeOpacity(alpha);
            cb.setGState(gState);
        }
        cb.stroke();
        if (color.getAlpha() < 255) {
            cb.restoreState();
        }
    }
}

From source file:org.frobic.colorednodes.renderers.NewEdgeRenderer.java

License:Open Source License

@Override
public void renderCurvedEdge(Item edgeItem, Item sourceItem, Item targetItem, float thickness, Color color,
        PreviewProperties properties, RenderTarget renderTarget) {
    Edge edge = (Edge) edgeItem.getSource();
    Float x1 = sourceItem.getData(NodeItem.X);
    Float x2 = targetItem.getData(NodeItem.X);
    Float y1 = sourceItem.getData(NodeItem.Y);
    Float y2 = targetItem.getData(NodeItem.Y);

    //Curved edgs
    PVector direction = new PVector(x2, y2);
    direction.sub(new PVector(x1, y1));
    float length = direction.mag();
    direction.normalize();//from w  ww .  jav  a2s  .c o  m

    float factor = properties.getFloatValue(BEZIER_CURVENESS) * length;

    // normal vector to the edge
    PVector n = new PVector(direction.y, -direction.x);
    n.mult(factor);

    // first control point
    PVector v1 = new PVector(direction.x, direction.y);
    v1.mult(factor);
    v1.add(new PVector(x1, y1));
    v1.add(n);

    // second control point
    PVector v2 = new PVector(direction.x, direction.y);
    v2.mult(-factor);
    v2.add(new PVector(x2, y2));
    v2.add(n);

    if (renderTarget instanceof ProcessingTarget) {
        PGraphics graphics = ((ProcessingTarget) renderTarget).getGraphics();
        graphics.strokeWeight(thickness);
        graphics.stroke(color.getRed(), color.getGreen(), color.getBlue(), color.getAlpha());
        graphics.noFill();
        graphics.bezier(x1, y1, v1.x, v1.y, v2.x, v2.y, x2, y2);
    } else if (renderTarget instanceof SVGTarget) {
        SVGTarget svgTarget = (SVGTarget) renderTarget;
        Element edgeElem = svgTarget.createElement("path");
        edgeElem.setAttribute("class",
                edge.getSource().getNodeData().getId() + " " + edge.getTarget().getNodeData().getId());
        edgeElem.setAttribute("d", String.format(Locale.ENGLISH, "M %f,%f C %f,%f %f,%f %f,%f", x1, y1, v1.x,
                v1.y, v2.x, v2.y, x2, y2));
        edgeElem.setAttribute("stroke", svgTarget.toHexString(color));
        edgeElem.setAttribute("stroke-width", Float.toString(thickness * svgTarget.getScaleRatio()));
        edgeElem.setAttribute("stroke-opacity", (color.getAlpha() / 255f) + "");
        edgeElem.setAttribute("fill", "none");
        svgTarget.getTopElement(SVGTarget.TOP_EDGES).appendChild(edgeElem);
    } else if (renderTarget instanceof PDFTarget) {
        PDFTarget pdfTarget = (PDFTarget) renderTarget;
        PdfContentByte cb = pdfTarget.getContentByte();
        cb.moveTo(x1, -y1);
        cb.curveTo(v1.x, -v1.y, v2.x, -v2.y, x2, -y2);
        cb.setRGBColorStroke(color.getRed(), color.getGreen(), color.getBlue());
        cb.setLineWidth(thickness);
        if (color.getAlpha() < 255) {
            cb.saveState();
            float alpha = color.getAlpha() / 255f;
            PdfGState gState = new PdfGState();
            gState.setStrokeOpacity(alpha);
            cb.setGState(gState);
        }
        cb.stroke();
        if (color.getAlpha() < 255) {
            cb.restoreState();
        }
    }
}

From source file:org.frobic.colorednodes.renderers.NewEdgeRenderer.java

License:Open Source License

@Override
public void renderStraightEdge(Item edgeItem, Item sourceItem, Item targetItem, float thickness, Color color,
        PreviewProperties properties, RenderTarget renderTarget) {
    Edge edge = (Edge) edgeItem.getSource();
    Float x1 = sourceItem.getData(NodeItem.X);
    Float x2 = targetItem.getData(NodeItem.X);
    Float y1 = sourceItem.getData(NodeItem.Y);
    Float y2 = targetItem.getData(NodeItem.Y);

    //Target radius - to start at the base of the arrow
    Float targetRadius = edgeItem.getData(TARGET_RADIUS);
    //Avoid edge from passing the node's center:
    if (targetRadius != null && targetRadius < 0) {
        PVector direction = new PVector(x2, y2);
        direction.sub(new PVector(x1, y1));
        direction.normalize();//from w w  w. j a v a  2  s  . c  o  m
        direction = new PVector(direction.x, direction.y);
        direction.mult(targetRadius);
        direction.add(new PVector(x2, y2));
        x2 = direction.x;
        y2 = direction.y;
    }
    //Source radius
    Float sourceRadius = edgeItem.getData(SOURCE_RADIUS);
    //Avoid edge from passing the node's center:
    if (sourceRadius != null && sourceRadius < 0) {
        PVector direction = new PVector(x1, y1);
        direction.sub(new PVector(x2, y2));
        direction.normalize();
        direction = new PVector(direction.x, direction.y);
        direction.mult(sourceRadius);
        direction.add(new PVector(x1, y1));
        x1 = direction.x;
        y1 = direction.y;
    }

    if (renderTarget instanceof ProcessingTarget) {
        PGraphics graphics = ((ProcessingTarget) renderTarget).getGraphics();
        graphics.strokeWeight(thickness);
        graphics.strokeCap(PGraphics.SQUARE);
        graphics.stroke(color.getRed(), color.getGreen(), color.getBlue(), color.getAlpha());
        graphics.noFill();
        graphics.line(x1, y1, x2, y2);
    } else if (renderTarget instanceof SVGTarget) {
        SVGTarget svgTarget = (SVGTarget) renderTarget;
        Element edgeElem = svgTarget.createElement("path");
        edgeElem.setAttribute("class",
                edge.getSource().getNodeData().getId() + " " + edge.getTarget().getNodeData().getId());
        edgeElem.setAttribute("d", String.format(Locale.ENGLISH, "M %f,%f L %f,%f", x1, y1, x2, y2));
        edgeElem.setAttribute("stroke", svgTarget.toHexString(color));
        edgeElem.setAttribute("stroke-width", Float.toString(thickness * svgTarget.getScaleRatio()));
        edgeElem.setAttribute("stroke-opacity", (color.getAlpha() / 255f) + "");
        edgeElem.setAttribute("fill", "none");
        svgTarget.getTopElement(SVGTarget.TOP_EDGES).appendChild(edgeElem);
    } else if (renderTarget instanceof PDFTarget) {
        PDFTarget pdfTarget = (PDFTarget) renderTarget;
        PdfContentByte cb = pdfTarget.getContentByte();
        cb.moveTo(x1, -y1);
        cb.lineTo(x2, -y2);
        cb.setRGBColorStroke(color.getRed(), color.getGreen(), color.getBlue());
        cb.setLineWidth(thickness);
        if (color.getAlpha() < 255) {
            cb.saveState();
            float alpha = color.getAlpha() / 255f;
            PdfGState gState = new PdfGState();
            gState.setStrokeOpacity(alpha);
            cb.setGState(gState);
        }
        cb.stroke();
        if (color.getAlpha() < 255) {
            cb.restoreState();
        }
    }
}

From source file:org.frobic.colorednodes.renderers.NewNodeRenderer.java

License:Open Source License

@Override
public void renderPDF(Item item, PDFTarget target, PreviewProperties properties) {
    Float x = item.getData(NodeItem.X);
    Float y = item.getData(NodeItem.Y);
    Float size = item.getData(NodeItem.SIZE);
    Float angle = item.getData(NodeItem.ANGLE);
    size /= 2f;/*w w w .  ja v a 2 s . c o m*/
    Color color = item.getData(NodeItem.COLOR);
    Integer nbcolors = item.getData(NodeItem.NBCOLOR);
    Color[] colors = item.getData(NodeItem.COLORS);
    Color borderColor = ((DependantColor) properties.getValue(PreviewProperty.NODE_BORDER_COLOR))
            .getColor(color);
    float borderSize = properties.getFloatValue(PreviewProperty.NODE_BORDER_WIDTH);
    float alpha = properties.getIntValue(PreviewProperty.NODE_OPACITY) / 100f;

    PdfContentByte cb = target.getContentByte();
    cb.setRGBColorStroke(borderColor.getRed(), borderColor.getGreen(), borderColor.getBlue());
    cb.setLineWidth(borderSize);
    cb.setRGBColorFill(color.getRed(), color.getGreen(), color.getBlue());
    if (alpha < 1f) {
        cb.saveState();
        PdfGState gState = new PdfGState();
        gState.setFillOpacity(alpha);
        gState.setStrokeOpacity(alpha);
        cb.setGState(gState);
    }
    for (int i = 0; i < nbcolors; i++) {
        cb.setRGBColorFill(colors[nbcolors - i - 1].getRed(), colors[nbcolors - i - 1].getGreen(),
                colors[nbcolors - i - 1].getBlue());
        if (size >= 0.5) {
            cb.newPath();
            ArrayList ar = cb.bezierArc(x - size, -y + size, x + size, 0 - size - y,
                    360f * (nbcolors - i - 1) / nbcolors + (360f / 6.28f) * angle, 360f * (1) / nbcolors);
            //cb.arc(x-size,-y+size,x+size,0-size-y,360f*(nbcolors-i-1)/nbcolors+angle,360f*(1)/nbcolors) ;
            cb.moveTo(x, -y);
            float pt[] = (float[]) ar.get(0);
            cb.moveTo(pt[0], pt[1]);
            for (int k = 0; k < ar.size(); ++k) {
                pt = (float[]) ar.get(k);
                cb.curveTo(pt[2], pt[3], pt[4], pt[5], pt[6], pt[7]);
            }
            cb.lineTo(x, -y);
            //strokeAndFill();
            //            cb.ClosePathFillStroke();
            if (borderSize > 0) {
                cb.fill();
            } else {
                cb.fill();
            }

            if (borderSize > 0) {
                cb.circle(x, -y, size);
                cb.stroke();
            }
        }
    }
    if (alpha < 1f) {
        cb.restoreState();
    }
}

From source file:org.gephi.edgelayout.api.SubdividedEdgeRenderer.java

License:Open Source License

private void renderSimplePDFItem(SubdividedEdgeItem item, RenderTarget target, PreviewProperties properties,
        Point2D.Double[] points) {
    Color color = new Color(originalColor.getRed(), originalColor.getGreen(), originalColor.getBlue(),
            (int) (255 * alpha));
    PDFTarget pdfTarget = (PDFTarget) target;
    PdfContentByte cb = pdfTarget.getContentByte();
    for (int i = 0; i < points.length - 1; i++) {
        cb.moveTo((float) points[i].x, (float) points[i].y);
        cb.lineTo((float) points[i + 1].x, (float) points[i + 1].y);
    }/*from  w  w  w.j  a  v  a 2  s  .com*/
    cb.setRGBColorStroke(color.getRed(), color.getGreen(), color.getBlue());
    cb.setLineWidth(thickness);
    if (color.getAlpha() < 255) {
        cb.saveState();
        float alpha = color.getAlpha() / 255f;
        PdfGState gState = new PdfGState();
        gState.setStrokeOpacity(alpha);
        cb.setGState(gState);
    }
    cb.stroke();
    if (color.getAlpha() < 255) {
        cb.restoreState();
    }
}

From source file:org.gephi.edgelayout.api.SubdividedEdgeRenderer.java

License:Open Source License

private void renderBigPDFItem(SubdividedEdgeBigItem item, RenderTarget target, PreviewProperties properties) {
    for (SortedEdgeWrapper edgeWrapper : item.edges) {
        Edge edge = edgeWrapper.edge;//from ww w . j a v  a 2  s  .c om
        EdgeLayoutData data = (EdgeLayoutData) edge.getEdgeData().getLayoutData();
        Point2D.Double[] points = data.getSubdivisonPoints();

        if (data.getEdgeColor() == null || points == null) {
            continue;
        }
        Color color = new Color(data.getEdgeColor().getRed(), data.getEdgeColor().getGreen(),
                data.getEdgeColor().getBlue(), (int) (255 * alpha));
        PDFTarget pdfTarget = (PDFTarget) target;
        PdfContentByte cb = pdfTarget.getContentByte();
        for (int i = 0; i < points.length - 1; i++) {
            cb.moveTo((float) points[i].x, (float) points[i].y);
            cb.lineTo((float) points[i + 1].x, (float) points[i + 1].y);
        }
        cb.setRGBColorStroke(color.getRed(), color.getGreen(), color.getBlue());
        cb.setLineWidth(thickness);

        float usedAlpha = (forceAlpha ? intAlpha : color.getAlpha());
        if (usedAlpha < 255) {
            cb.saveState();
            float alpha = usedAlpha / 255f;
            PdfGState gState = new PdfGState();
            gState.setStrokeOpacity(alpha);
            cb.setGState(gState);
        }
        cb.stroke();
        if (usedAlpha < 255) {
            cb.restoreState();
        }
    }
}