Examples with SVGElement net.sf.latexdraw.parsers.svg.SVGElement used on opensource projects

Example 11 with SVGElement

use of net.sf.latexdraw.parsers.svg.SVGElement in project latexdraw by arnobl.

the class SVGShape method setSVGLinearGradient.

private void setSVGLinearGradient(final SVGDocument doc, final SVGElement root) {
    final SVGDefsElement defs = doc.getFirstChild().getDefs();
    final SVGElement grad = new SVGLinearGradientElement(doc);
    final double gradMidPt = shape.getGradMidPt();
    final double gradAngle = shape.getGradAngle();
    final String id = SVGElements.SVG_LINEAR_GRADIENT + shape.hashCode();
    grad.setAttribute(SVGAttributes.SVG_ID, id);
    if (!MathUtils.INST.equalsDouble(MathUtils.INST.mod2pi(gradAngle + Math.PI / 2d), 0d)) {
        final SVGTransform rotate = new SVGTransform();
        rotate.setRotate(toDegrees(gradAngle) + 90d, 0.5, 0.5);
        grad.setAttribute(SVGAttributes.SVG_GRADIENT_TRANSFORM, rotate.toString());
    }
    final SVGStopElement stop1 = new SVGStopElement(doc);
    stop1.setAttribute(SVGAttributes.SVG_OFFSET, "0");
    stop1.setAttribute(SVGAttributes.SVG_STOP_COLOR, CSSColors.INSTANCE.getColorName(shape.getGradColStart(), true));
    if (shape.getGradColStart().getO() < 1d) {
        stop1.setAttribute(SVGAttributes.SVG_STOP_OPACITY, MathUtils.INST.format.format(shape.getGradColStart().getO()));
    }
    grad.appendChild(stop1);
    final SVGStopElement stop2 = new SVGStopElement(doc);
    stop2.setAttribute(SVGAttributes.SVG_OFFSET, MathUtils.INST.format.format(gradMidPt));
    stop2.setAttribute(SVGAttributes.SVG_STOP_COLOR, CSSColors.INSTANCE.getColorName(shape.getGradColEnd(), true));
    if (shape.getGradColEnd().getO() < 1d) {
        stop2.setAttribute(SVGAttributes.SVG_STOP_OPACITY, MathUtils.INST.format.format(shape.getGradColEnd().getO()));
    }
    grad.appendChild(stop2);
    defs.appendChild(grad);
    root.setAttribute(SVGAttributes.SVG_FILL, SVG_URL_TOKEN_BEGIN + id + ')');
}

Example 12 with SVGElement

use of net.sf.latexdraw.parsers.svg.SVGElement in project latexdraw by arnobl.

the class SVGShape method getLaTeXDrawElement.

/**
 * @param elt The source <code>g</code> element.
 * @param type The type of the latexdraw element (double borders, shadow, main), if null, the main element is returned.
 * @return The Researched element.
 */
protected static SVGElement getLaTeXDrawElement(final SVGGElement elt, final String type) {
    if (elt == null)
        return null;
    final NodeList nl = elt.getChildNodes();
    int i = 0;
    final int size = nl.getLength();
    Node ltdElt = null;
    Node n;
    final String bis = elt.lookupPrefixUsable(LNamespace.LATEXDRAW_NAMESPACE_URI);
    if (type == null) {
        while (i < size && ltdElt == null) {
            n = nl.item(i);
            if (((SVGElement) n).getAttribute(bis + LNamespace.XML_TYPE) == null) {
                ltdElt = n;
            } else {
                i++;
            }
        }
    } else {
        while (i < size && ltdElt == null) {
            n = nl.item(i);
            if (type.equals(((SVGElement) n).getAttribute(bis + LNamespace.XML_TYPE))) {
                ltdElt = n;
            } else {
                i++;
            }
        }
    }
    return (SVGElement) ltdElt;
}

Example 13 with SVGElement

use of net.sf.latexdraw.parsers.svg.SVGElement in project latexdraw by arnobl.

the class SVGShape method setFillFromSVG.

/**
 * Sets the fill properties to the given figure.
 * @param shape The figure to set.
 * @param fill The fill properties
 * @param defs The definition that may be useful to the the fill properties (url), may be null.
 * @param opacity The possible fill-opacity of the colour. May be null.
 */
public static void setFillFromSVG(final IShape shape, final String fill, final String opacity, final SVGDefsElement defs) {
    if (fill == null || shape == null || fill.equals(SVGAttributes.SVG_VALUE_NONE)) {
        return;
    }
    // Getting the url to the SVG symbol of the filling.
    if (fill.startsWith(SVG_URL_TOKEN_BEGIN) && fill.endsWith(")") && defs != null) {
        final String uri = fill.substring(5, fill.length() - 1);
        final SVGElement def = defs.getDef(uri);
        // A pattern means hatchings.
        if (def instanceof SVGPatternElement) {
            setHatchingsFromSVG(shape, (SVGPatternElement) def);
        } else {
            // A linear gradient means a gradient.
            if (def instanceof SVGLinearGradientElement) {
                setGradientFromSVG(shape, (SVGLinearGradientElement) def);
            }
        }
    } else {
        setPlainFillFromSVG(shape, fill, opacity);
    }
}

Example 14 with SVGElement

use of net.sf.latexdraw.parsers.svg.SVGElement in project latexdraw by arnobl.

the class SVGCircle method toSVG.

@Override
public SVGElement toSVG(final SVGDocument doc) {
    if (doc == null || doc.getFirstChild().getDefs() == null) {
        return null;
    }
    final IPoint tl = shape.getTopLeftPoint();
    final IPoint br = shape.getBottomRightPoint();
    final double tlx = tl.getX();
    final double tly = tl.getY();
    final double brx = br.getX();
    final double bry = br.getY();
    SVGElement elt;
    final SVGElement shad;
    final SVGElement dblBord;
    final SVGElement root = new SVGGElement(doc);
    root.setAttribute(LNamespace.LATEXDRAW_NAMESPACE + ':' + LNamespace.XML_TYPE, LNamespace.XML_TYPE_CIRCLE);
    root.setAttribute(SVGAttributes.SVG_ID, getSVGID());
    final double gap = getPositionGap();
    if (shape.hasShadow()) {
        shad = new SVGCircleElement((brx + tlx) / 2d, (bry + tly) / 2d, Math.abs((brx - tlx + gap) / 2d), doc);
        setSVGShadowAttributes(shad, true);
        root.appendChild(shad);
    }
    if (shape.hasShadow() && !shape.getLineStyle().getLatexToken().equals(PSTricksConstants.LINE_NONE_STYLE)) {
        // The background of the borders must be filled is there is a shadow.
        elt = new SVGCircleElement((brx + tlx) / 2d, (bry + tly) / 2d, Math.abs((brx - tlx + gap) / 2d), doc);
        setSVGBorderBackground(elt, root);
    }
    elt = new SVGCircleElement((brx + tlx) / 2d, (bry + tly) / 2d, Math.abs((brx - tlx + gap) / 2d), doc);
    root.appendChild(elt);
    if (shape.hasDbleBord()) {
        dblBord = new SVGCircleElement((brx + tlx) / 2d, (bry + tly) / 2d, Math.abs((brx - tlx + gap) / 2d), doc);
        setSVGDoubleBordersAttributes(dblBord);
        root.appendChild(dblBord);
    }
    setSVGAttributes(doc, elt, true);
    setSVGRotationAttribute(root);
    return root;
}

Example 15 with SVGElement

use of net.sf.latexdraw.parsers.svg.SVGElement in project latexdraw by arnobl.

the class SVGCircleArc method toSVG.

@Override
public SVGElement toSVG(final SVGDocument doc) {
    if (doc == null || doc.getFirstChild().getDefs() == null) {
        return null;
    }
    final SVGDefsElement defs = doc.getFirstChild().getDefs();
    final double rotationAngle = shape.getRotationAngle();
    final double startAngle = shape.getAngleStart() % (2. * Math.PI);
    final double endAngle = shape.getAngleEnd() % (2. * Math.PI);
    final ArcStyle type = shape.getArcStyle();
    final SVGElement root = new SVGGElement(doc);
    final IPoint start = shape.getStartPoint();
    final IPoint end = shape.getEndPoint();
    final double radius = shape.getWidth() / 2.0;
    final boolean largeArcFlag = Math.abs(endAngle - startAngle) >= Math.PI;
    final boolean sweepFlag = startAngle >= endAngle;
    final SVGPathSegList path = new SVGPathSegList();
    SVGElement elt;
    root.setAttribute(LNamespace.LATEXDRAW_NAMESPACE + ':' + LNamespace.XML_TYPE, LNamespace.XML_TYPE_ARC);
    root.setAttribute(SVGAttributes.SVG_ID, getSVGID());
    path.add(new SVGPathSegMoveto(start.getX(), start.getY(), false));
    path.add(new SVGPathSegArc(end.getX(), end.getY(), radius, radius, 0, largeArcFlag, sweepFlag, false));
    if (type == ArcStyle.CHORD) {
        path.add(new SVGPathSegClosePath());
    } else {
        if (type == ArcStyle.WEDGE) {
            final IPoint gravityCenter = shape.getGravityCentre();
            path.add(new SVGPathSegLineto(gravityCenter.getX(), gravityCenter.getY(), false));
            path.add(new SVGPathSegClosePath());
        }
    }
    if (shape.hasShadow()) {
        final SVGElement shad = new SVGPathElement(doc);
        shad.setAttribute(SVGAttributes.SVG_D, path.toString());
        setSVGShadowAttributes(shad, true);
        root.appendChild(shad);
        setSVGArrow(shape, shad, 0, true, doc, defs);
        setSVGArrow(shape, shad, 1, true, doc, defs);
    }
    // The background of the borders must be filled is there is a shadow.
    if (shape.hasShadow()) {
        elt = new SVGPathElement(doc);
        elt.setAttribute(SVGAttributes.SVG_D, path.toString());
        setSVGBorderBackground(elt, root);
    }
    elt = new SVGPathElement(doc);
    elt.setAttribute(SVGAttributes.SVG_D, path.toString());
    root.appendChild(elt);
    if (shape.hasDbleBord()) {
        final SVGElement dble = new SVGPathElement(doc);
        dble.setAttribute(SVGAttributes.SVG_D, path.toString());
        setSVGDoubleBordersAttributes(dble);
        root.appendChild(dble);
    }
    setSVGRotationAttribute(root);
    setSVGAttributes(doc, elt, true);
    elt.setAttribute(LNamespace.LATEXDRAW_NAMESPACE + ':' + LNamespace.XML_ROTATION, String.valueOf(rotationAngle));
    setSVGArrow(shape, elt, 0, false, doc, defs);
    setSVGArrow(shape, elt, 1, false, doc, defs);
    if (shape.isShowPts()) {
        root.appendChild(getShowPointsElement(doc));
    }
    return root;
}