Example usage for com.itextpdf.text.pdf PdfGState setStrokeOpacity

List of usage examples for com.itextpdf.text.pdf PdfGState setStrokeOpacity

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  6. setStrokeOpacity

Introduction

In this page you can find the example usage for com.itextpdf.text.pdf PdfGState setStrokeOpacity.

Prototype

public void setStrokeOpacity(float ca)

Source Link

Document

Sets the current stroking alpha constant, specifying the constant shape or constant opacity value to be used for stroking operations in the transparent imaging model.

Usage

From source file:com.qmetric.document.watermark.strategy.MessageWatermarkStrategy.java

License:Open Source License

private void applyTextTransparency(final PdfContentByte overContent) {
    // Make transparent - see http://itext-general.2136553.n4.nabble.com/Insert-transparent-Text-td2158904.html
    final PdfGState gstate = new PdfGState();
    gstate.setFillOpacity(OPACITY);//  ww  w.j  a  v  a 2 s.c  om
    gstate.setStrokeOpacity(OPACITY);

    overContent.saveState();
    overContent.setGState(gstate);
}

From source file:com.vectorprint.report.itext.style.stylers.AdvancedImpl.java

License:Open Source License

/**
 * get a canvas for drawing, prepared according to settings
 *
 * @see #draw(com.itextpdf.text.Rectangle, java.lang.String) 
 * @return//from  ww  w . j a  v a  2  s .c  om
 */
protected final PdfContentByte getPreparedCanvas(float opacity) {
    needRestore = false;
    PdfContentByte canvas = (tableForeground != null) ? tableForeground
            : (isBg()) ? getWriter().getDirectContentUnder() : getWriter().getDirectContent();
    String layerName = getLayerName();
    BLENDMODE blend = getBlend();
    if (getWriter().getPDFXConformance() == PdfWriter.PDFX1A2001) {
        // check blend, opacity, layers
        if (!PdfGState.BM_NORMAL.equals(blend.getBlend())
                && !PdfGState.BM_COMPATIBLE.equals(blend.getBlend())) {
            throw new VectorPrintRuntimeException("blend not supported in PDF/X-1a: " + blend);
        }
        if (layerName != null) {
            throw new VectorPrintRuntimeException("layers not supported in PDF/X-1a: " + layerName);
        }
        if (opacity < 1) {
            throw new VectorPrintRuntimeException("opacity not supported in PDF/X-1a: " + opacity);
        }
    }
    if (layerName != null) {
        layerManager.startLayerInGroup(layerName, canvas);
    }
    //                pgs.setAlphaIsShape(true);
    if (opacity <= 1) {
        //                        PdfShading shading = PdfShading.simpleAxial(getWriter(), 0, 0, getDocument().right() - getDocument().getPageSize().getWidth() * 0.6f, getDocument().top() - getDocument().getPageSize().getHeight() * 0.6f, Color.green, Color.orange,true,true);
        //                        canvas.paintShading(shading);
        canvas.saveState();
        needRestore = true;
        PdfGState pgs = new PdfGState();
        pgs.setFillOpacity(opacity);
        pgs.setStrokeOpacity(opacity);
        canvas.setGState(pgs);
    }
    if (!BLENDMODE.NORMAL.equals(blend)) {
        if (!needRestore) {
            canvas.saveState();
            needRestore = true;
        }
        PdfGState pgs = new PdfGState();
        pgs.setBlendMode(blend.getBlend());
        canvas.setGState(pgs);
    }
    if (getTransform() != null && !(this instanceof Image)) {
        canvas.transform(new AffineTransform(getTransform()));
    }
    return canvas;
}

From source file:com.vectorprint.report.jfree.ItextChartHelper.java

License:Open Source License

/**
 *
 * @param chart the chart tp plot//  w  w  w. ja v  a2 s  .  com
 * @param contentByte the canvas to plot to
 * @param width the width of the chart will be fit to
 * @param height the height of the chart will be fit to
 * @return
 * @throws BadElementException
 */
public static Image getChartImage(JFreeChart chart, PdfContentByte contentByte, float width, float height,
        float opacity) throws BadElementException {

    // create PdfTemplate from PdfContentByte
    PdfTemplate template = contentByte.createTemplate(width, height);
    template.saveState();
    PdfGState pgs = new PdfGState();
    pgs.setFillOpacity(opacity);
    pgs.setStrokeOpacity(opacity);
    template.setGState(pgs);

    // create Graphics2D from PdfTemplate
    Graphics2D g2 = new PdfGraphics2D(template, width, height);

    // setup the drawing area
    Rectangle2D r2D = new Rectangle2D.Double(0, 0, width, height);

    // pass the Graphics2D and drawing area to JFreeChart
    chart.draw(g2, r2D);
    g2.dispose(); // always dispose this

    template.restoreState();

    // create Image from PdfTemplate
    return Image.getInstance(template);
}

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) {/*  w  w w .ja  v  a2s  .  c  o  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  w w  .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 .  jav a2s. 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;/*from  ww w .ja  v a2  s . com*/
    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);
    }/*  w  w w.j a  v a 2 s .c  o  m*/
    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  w w w.j av  a 2  s.  c  o m*/
        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();
        }
    }
}

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

License:Open Source License

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

        if (data.getSubdivisionEdgeColor() == null || data.getSubdivisionEdgeColor()[edgeWrapper.id] == null
                || points == null) {
            continue;
        }

        Color color = data.getSubdivisionEdgeColor()[edgeWrapper.id];
        PDFTarget pdfTarget = (PDFTarget) target;
        PdfContentByte cb = pdfTarget.getContentByte();
        int i = edgeWrapper.id;
        if (i == points.length - 1) {
            continue;
        }
        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();
        }
    }
}