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

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

Introduction

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

Prototype

public void setStrokeOpacity(float n) 

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:org.mapfish.print.map.renderers.vector.LineStringRenderer.java

License:Open Source License

protected static void applyStyle(RenderingContext context, PdfContentByte dc, PJsonObject style,
        PdfGState state) {
    if (style == null)
        return;/* w  w w . j ava 2  s. c  o  m*/
    if (style.optString("strokeColor") != null) {
        dc.setColorStroke(ColorWrapper.convertColor(style.getString("strokeColor")));
    }
    if (style.optString("strokeOpacity") != null) {
        state.setStrokeOpacity(style.getFloat("strokeOpacity"));
    }
    final float width = style.optFloat("strokeWidth", 1) * context.getStyleFactor();
    dc.setLineWidth(width);
    final String linecap = style.optString("strokeLinecap");
    if (linecap != null) {
        if (linecap.equalsIgnoreCase("butt")) {
            dc.setLineCap(PdfContentByte.LINE_CAP_BUTT);
        } else if (linecap.equalsIgnoreCase("round")) {
            dc.setLineCap(PdfContentByte.LINE_CAP_ROUND);
        } else if (linecap.equalsIgnoreCase("square")) {
            dc.setLineCap(PdfContentByte.LINE_CAP_PROJECTING_SQUARE);
        } else {
            throw new InvalidValueException("strokeLinecap", linecap);
        }
    }
    final String dashStyle = style.optString("strokeDashstyle");
    if (dashStyle != null) {
        if (dashStyle.equalsIgnoreCase("dot")) {
            final float[] def = new float[] { 0.1f, 2 * width };
            dc.setLineDash(def, 0);
        } else if (dashStyle.equalsIgnoreCase("dash")) {
            final float[] def = new float[] { 2 * width, 2 * width };
            dc.setLineDash(def, 0);
        } else if (dashStyle.equalsIgnoreCase("dashdot")) {
            final float[] def = new float[] { 3 * width, 2 * width, 0.1f, 2 * width };
            dc.setLineDash(def, 0);
        } else if (dashStyle.equalsIgnoreCase("longdash")) {
            final float[] def = new float[] { 4 * width, 2 * width };
            dc.setLineDash(def, 0);
        } else if (dashStyle.equalsIgnoreCase("longdashdot")) {
            final float[] def = new float[] { 5 * width, 2 * width, 0.1f, 2 * width };
            dc.setLineDash(def, 0);
        } else if (dashStyle.equalsIgnoreCase("solid")) {

        } else {
            throw new InvalidValueException("strokeDashstyle", dashStyle);
        }
    }
}

From source file:org.mapfish.print.map.renderers.vector.PointRenderer.java

License:Open Source License

protected void renderImpl(RenderingContext context, PdfContentByte dc, PJsonObject style, Point geometry) {
    PdfGState state = new PdfGState();
    final Coordinate coordinate = geometry.getCoordinate();
    float pointRadius = style.optFloat("pointRadius", 4.0f);
    final float f = context.getStyleFactor();

    String graphicName = style.optString("graphicName");
    float width = style.optFloat("graphicWidth", pointRadius * 2.0f);
    float height = style.optFloat("graphicHeight", pointRadius * 2.0f);
    float offsetX = style.optFloat("graphicXOffset", -width / 2.0f);
    float offsetY = style.optFloat("graphicYOffset", -height / 2.0f);
    // See Feature/Vector.js for more information about labels
    String label = style.optString("label");
    String labelAlign = style.optString("labelAlign", "lb");
    /*//from w ww . j a v a2s .  co m
     * Valid values for horizontal alignment: "l"=left, "c"=center, "r"=right. 
     * Valid values for vertical alignment: "t"=top, "m"=middle, "b"=bottom.
     */
    float labelXOffset = style.optFloat("labelXOffset", (float) 0.0);
    float labelYOffset = style.optFloat("labelYOffset", (float) 0.0);
    String fontColor = style.optString("fontColor", "#000000");
    /* Supported itext fonts: COURIER, HELVETICA, TIMES_ROMAN */
    String fontFamily = style.optString("fontFamily", "HELVETICA");
    String fontSize = style.optString("fontSize", "12");
    String fontWeight = style.optString("fontWeight", "normal");

    if (style.optString("externalGraphic") != null) {
        float opacity = style.optFloat("graphicOpacity", style.optFloat("fillOpacity", 1.0f));
        state.setFillOpacity(opacity);
        state.setStrokeOpacity(opacity);
        dc.setGState(state);
        try {
            Image image = PDFUtils.createImage(context, width * f, height * f,
                    new URI(style.getString("externalGraphic")), 0.0f);
            image.setAbsolutePosition((float) coordinate.x + offsetX * f, (float) coordinate.y + offsetY * f);
            dc.addImage(image);
        } catch (BadElementException e) {
            context.addError(e);
        } catch (URISyntaxException e) {
            context.addError(e);
        } catch (DocumentException e) {
            context.addError(e);
        }

    } else if (graphicName != null && !graphicName.equalsIgnoreCase("circle")) {
        PolygonRenderer.applyStyle(context, dc, style, state);
        float[] symbol = SYMBOLS.get(graphicName);
        if (symbol == null) {
            throw new InvalidValueException("graphicName", graphicName);
        }
        dc.setGState(state);
        dc.moveTo((float) coordinate.x + symbol[0] * width * f + offsetX * f,
                (float) coordinate.y + symbol[1] * height * f + offsetY * f);
        for (int i = 2; i < symbol.length - 2; i += 2) {
            dc.lineTo((float) coordinate.x + symbol[i] * width * f + offsetX * f,
                    (float) coordinate.y + symbol[i + 1] * height * f + offsetY * f);

        }
        dc.closePath();
        dc.fillStroke();

    } else if (label != null && label.length() > 0) {
        BaseFont bf = PDFUtils.getBaseFont(fontFamily, fontSize, fontWeight);
        float fontHeight = (float) Double.parseDouble(fontSize.toLowerCase().replaceAll("px", "")) * f;
        dc.setFontAndSize(bf, fontHeight);
        dc.setColorFill(ColorWrapper.convertColor(fontColor));
        state.setFillOpacity((float) 1.0);
        dc.setGState(state);
        dc.beginText();
        dc.setTextMatrix((float) coordinate.x + labelXOffset * f, (float) coordinate.y + labelYOffset * f);
        dc.setGState(state);
        dc.showTextAligned(PDFUtils.getHorizontalAlignment(labelAlign), label,
                (float) coordinate.x + labelXOffset * f,
                (float) coordinate.y + labelYOffset * f - PDFUtils.getVerticalOffset(labelAlign, fontHeight),
                0);
        dc.endText();
    } else {
        PolygonRenderer.applyStyle(context, dc, style, state);
        dc.setGState(state);

        dc.circle((float) coordinate.x, (float) coordinate.y, pointRadius * f);
        dc.fillStroke();
    }
}

From source file:org.pentaho.reporting.engine.classic.core.modules.output.pageable.pdf.internal.PdfGraphics2D.java

License:Open Source License

private void setPaint(final boolean invert, final double xoffset, final double yoffset, final boolean fill) {
    if (paint instanceof Color) {
        final Color color = (Color) paint;
        final int alpha = color.getAlpha();
        if (fill) {
            if (alpha != currentFillGState) {
                currentFillGState = alpha;
                PdfGState gs = fillGState[alpha];
                if (gs == null) {
                    gs = new PdfGState();
                    gs.setFillOpacity(alpha / 255.00f);
                    fillGState[alpha] = gs;
                }//from w w  w.j av  a  2 s.c o m
                cb.setGState(gs);
            }
            cb.setColorFill(color);
        } else {
            if (alpha != currentStrokeGState) {
                currentStrokeGState = alpha;
                PdfGState gs = strokeGState[alpha];
                if (gs == null) {
                    gs = new PdfGState();
                    gs.setStrokeOpacity(alpha / 255.0f);
                    strokeGState[alpha] = gs;
                }
                cb.setGState(gs);
            }
            cb.setColorStroke(color);
        }
    } else if (paint instanceof GradientPaint) {
        final GradientPaint gp = (GradientPaint) paint;
        final Point2D p1 = gp.getPoint1();
        transform.transform(p1, p1);
        final Point2D p2 = gp.getPoint2();
        transform.transform(p2, p2);
        final Color c1 = gp.getColor1();
        final Color c2 = gp.getColor2();
        final PdfShading shading = PdfShading.simpleAxial(cb.getPdfWriter(), (float) p1.getX(),
                normalizeY((float) p1.getY()), (float) p2.getX(), normalizeY((float) p2.getY()), c1, c2);
        final PdfShadingPattern pat = new PdfShadingPattern(shading);
        if (fill) {
            cb.setShadingFill(pat);
        } else {
            cb.setShadingStroke(pat);
        }
    } else if (paint instanceof TexturePaint) {
        try {
            final TexturePaint tp = (TexturePaint) paint;
            final BufferedImage img = tp.getImage();
            final Rectangle2D rect = tp.getAnchorRect();
            final com.lowagie.text.Image image = com.lowagie.text.Image.getInstance(img, null);
            final PdfPatternPainter pattern = cb.createPattern(image.getWidth(), image.getHeight());
            final AffineTransform inverse = this.normalizeMatrix();
            inverse.translate(rect.getX(), rect.getY());
            inverse.scale(rect.getWidth() / image.getWidth(), -rect.getHeight() / image.getHeight());
            final double[] mx = new double[6];
            inverse.getMatrix(mx);
            pattern.setPatternMatrix((float) mx[0], (float) mx[1], (float) mx[2], (float) mx[3], (float) mx[4],
                    (float) mx[5]);
            image.setAbsolutePosition(0, 0);
            pattern.addImage(image);
            if (fill) {
                cb.setPatternFill(pattern);
            } else {
                cb.setPatternStroke(pattern);
            }

        } catch (Exception ex) {
            if (fill) {
                cb.setColorFill(Color.gray);
            } else {
                cb.setColorStroke(Color.gray);
            }
        }
    } else {
        try {
            int type = BufferedImage.TYPE_4BYTE_ABGR;
            if (paint.getTransparency() == Transparency.OPAQUE) {
                type = BufferedImage.TYPE_3BYTE_BGR;
            }
            final BufferedImage img = new BufferedImage((int) width, (int) height, type);
            final Graphics2D g = (Graphics2D) img.getGraphics();
            g.transform(transform);
            final AffineTransform inv = transform.createInverse();
            Shape fillRect = new Rectangle2D.Double(0, 0, img.getWidth(), img.getHeight());
            fillRect = inv.createTransformedShape(fillRect);
            g.setPaint(paint);
            g.fill(fillRect);
            if (invert) {
                final AffineTransform tx = new AffineTransform();
                tx.scale(1, -1);
                tx.translate(-xoffset, -yoffset);
                g.drawImage(img, tx, null);
            }
            g.dispose();
            // g = null;
            final com.lowagie.text.Image image = com.lowagie.text.Image.getInstance(img, null);
            final PdfPatternPainter pattern = cb.createPattern(width, height);
            image.setAbsolutePosition(0, 0);
            pattern.addImage(image);
            if (fill) {
                cb.setPatternFill(pattern);
            } else {
                cb.setPatternStroke(pattern);
            }
        } catch (Exception ex) {
            if (fill) {
                cb.setColorFill(Color.gray);
            } else {
                cb.setColorStroke(Color.gray);
            }
        }
    }
}