Examples with DashArray com.ait.lienzo.client.core.types.DashArray used on opensource projects

Example 1 with DashArray

use of com.ait.lienzo.client.core.types.DashArray in project kie-wb-common by kiegroup.

the class AssociationView method createLine.

private static Object[] createLine(final double x1, final double y1, final double x2, final double y2) {
    final MultiPath head = new MultiPath();
    final MultiPath tail = new MultiPath();
    final DirectionalLine line = new DirectionalLine(x1, y1, x2, y2);
    line.setDashArray(new DashArray(2, 6));
    line.setDraggable(true);
    line.setSelectionStrokeOffset(SELECTION_OFFSET);
    line.setHeadOffset(head.getBoundingBox().getHeight());
    line.setTailOffset(tail.getBoundingBox().getHeight());
    final MultiPathDecorator headDecorator = new MultiPathDecorator(head);
    final MultiPathDecorator tailDecorator = new MultiPathDecorator(tail);
    return new Object[] { line, headDecorator, tailDecorator };
}

Example 2 with DashArray

use of com.ait.lienzo.client.core.types.DashArray in project kie-wb-common by kiegroup.

the class KnowledgeRequirementView method createLine.

private static Object[] createLine(final double x1, final double y1, final double x2, final double y2) {
    final MultiPath head = new MultiPath();
    final MultiPath tail = new MultiPath().M(0, DECORATOR_HEIGHT).L(DECORATOR_WIDTH / 2, 0).L(DECORATOR_WIDTH, DECORATOR_HEIGHT).setFillColor(ColorName.BLACK).setFillAlpha(1);
    final DirectionalLine line = new DirectionalLine(x1, y1, x2, y2);
    line.setDashArray(new DashArray(4, 4));
    line.setDraggable(true);
    line.setSelectionStrokeOffset(SELECTION_OFFSET);
    line.setHeadOffset(head.getBoundingBox().getHeight());
    line.setTailOffset(tail.getBoundingBox().getHeight());
    final MultiPathDecorator headDecorator = new MultiPathDecorator(head);
    final MultiPathDecorator tailDecorator = new MultiPathDecorator(tail);
    return new Object[] { line, headDecorator, tailDecorator };
}

Example 3 with DashArray

use of com.ait.lienzo.client.core.types.DashArray in project lienzo-core by ahome-it.

the class Line method prepare.

/**
 * Draws this line
 *
 * @param context
 */
@Override
protected boolean prepare(final Context2D context, final Attributes attr, final double alpha) {
    final Point2DArray list = attr.getPoints();
    if ((null != list) && (list.size() == 2)) {
        if (attr.isDefined(Attribute.DASH_ARRAY)) {
            if (false == LienzoCore.get().isNativeLineDashSupported()) {
                final DashArray dash = attr.getDashArray();
                if (dash != null) {
                    final double[] data = dash.getNormalizedArray();
                    if (data.length > 0) {
                        if (setStrokeParams(context, attr, alpha, false)) {
                            final Point2D p0 = list.get(0);
                            final Point2D p1 = list.get(1);
                            context.beginPath();
                            drawDashedLine(context, p0.getX(), p0.getY(), p1.getX(), p1.getY(), data, attr.getStrokeWidth() / 2);
                            context.restore();
                        }
                        return true;
                    }
                }
            }
        }
        context.beginPath();
        final Point2D p0 = list.get(0);
        context.moveTo(p0.getX(), p0.getY());
        final Point2D p1 = list.get(1);
        context.lineTo(p1.getX(), p1.getY());
        return true;
    }
    return false;
}

Example 4 with DashArray

use of com.ait.lienzo.client.core.types.DashArray in project lienzo-core by ahome-it.

the class Shape method setStrokeParams.

/**
 * Sets the Shape Stroke parameters.
 *
 * @param context
 * @param attr
 * @return boolean
 */
protected boolean setStrokeParams(final Context2D context, final Attributes attr, double alpha, final boolean filled) {
    double width = attr.getStrokeWidth();
    String color = attr.getStrokeColor();
    if (null == color) {
        if (width > 0) {
            color = LienzoCore.get().getDefaultStrokeColor();
        }
    } else if (width <= 0) {
        width = LienzoCore.get().getDefaultStrokeWidth();
    }
    if ((null == color) && (width <= 0)) {
        if (filled) {
            return false;
        }
        color = LienzoCore.get().getDefaultStrokeColor();
        width = LienzoCore.get().getDefaultStrokeWidth();
    }
    alpha = alpha * attr.getStrokeAlpha();
    if (alpha <= 0) {
        return false;
    }
    double offset = 0;
    if (context.isSelection()) {
        color = getColorKey();
        if (null == color) {
            return false;
        }
        context.save();
        offset = getSelectionStrokeOffset();
    } else {
        context.save();
        context.setGlobalAlpha(alpha);
    }
    context.setStrokeColor(color);
    context.setStrokeWidth(width + offset);
    if (false == attr.hasExtraStrokeAttributes()) {
        return true;
    }
    boolean isdashed = false;
    if (attr.isDefined(Attribute.DASH_ARRAY)) {
        if (LienzoCore.get().isLineDashSupported()) {
            final DashArray dash = attr.getDashArray();
            if ((null != dash) && (dash.size() > 0)) {
                context.setLineDash(dash);
                if (attr.isDefined(Attribute.DASH_OFFSET)) {
                    context.setLineDashOffset(attr.getDashOffset());
                }
                isdashed = true;
            }
        }
    }
    if ((isdashed) || (doStrokeExtraProperties())) {
        if (attr.isDefined(Attribute.LINE_JOIN)) {
            context.setLineJoin(attr.getLineJoin());
        }
        if (attr.isDefined(Attribute.LINE_CAP)) {
            context.setLineCap(attr.getLineCap());
        }
        if (attr.isDefined(Attribute.MITER_LIMIT)) {
            context.setMiterLimit(attr.getMiterLimit());
        }
    }
    return true;
}

Example 5 with DashArray

use of com.ait.lienzo.client.core.types.DashArray in project lienzo-core by ahome-it.

the class GridLayer method drawWithoutTransforms.

@Override
protected void drawWithoutTransforms(final Context2D context, final double alpha, final BoundingBox bounds) {
    if (false == isVisible()) {
        return;
    }
    final Viewport vp = getViewport();
    final int vw = vp.getWidth();
    final int vh = vp.getHeight();
    final Point2D a = new Point2D(0, 0);
    final Point2D b = new Point2D(vw, vh);
    double scaleX = 1, scaleY = 1;
    Transform t = isTransformable() ? vp.getTransform() : null;
    if (t != null) {
        scaleX = t.getScaleX();
        scaleY = t.getScaleY();
        t = t.getInverse();
        t.transform(a, a);
        t.transform(b, b);
    }
    final double x1 = a.getX();
    final double y1 = a.getY();
    final double x2 = b.getX();
    final double y2 = b.getY();
    for (int direction = X; direction <= Y; direction++) {
        final boolean vertical = (direction == X);
        final double scale = vertical ? scaleX : scaleY;
        final double min = vertical ? x1 : y1;
        final double max = vertical ? x2 : y2;
        for (int primSec = 0; primSec <= 1; primSec++) {
            final int index = (primSec * 2) + direction;
            final boolean isSecondary = (primSec == 1);
            if (m_lines[index] == null) {
                continue;
            }
            int n = 0;
            if (isSecondary) {
                // n = primarySize div secondary
                // ASSUMPTION: primarySize is a multiple of secondarySize
                n = (int) Math.round(m_sizes[direction] / m_sizes[index]);
            }
            final Line line = m_lines[index];
            final double size = m_sizes[index];
            final double previousLineWidth = line.getStrokeWidth();
            line.setStrokeWidth(previousLineWidth / scale);
            final DashArray previousDashes = line.getDashArray();
            if (previousDashes != null) {
                final double[] d = previousDashes.getNormalizedArray();
                final DashArray dashes = new DashArray();
                for (final double element : d) {
                    dashes.push(element / scale);
                }
                line.setDashArray(dashes);
            }
            long n1 = Math.round(min / size);
            if ((n1 * size) < min) {
                n1++;
            }
            long n2 = Math.round(max / size);
            if ((n2 * size) > max) {
                n2--;
            }
            final Point2DArray points = line.getPoints();
            final Point2D p1 = points.get(0);
            final Point2D p2 = points.get(1);
            if (vertical) {
                p1.setY(y1);
                p2.setY(y2);
            } else {
                p1.setX(x1);
                p2.setX(x2);
            }
            for (long ni = n1; ni <= n2; ni++) {
                if (// skip primary lines
                isSecondary && ((ni % n) == 0)) {
                    continue;
                }
                if (vertical) {
                    final double x = ni * size;
                    p1.setX(x);
                    p2.setX(x);
                } else {
                    final double y = ni * size;
                    p1.setY(y);
                    p2.setY(y);
                }
                line.drawWithTransforms(context, alpha, bounds);
            }
            // restore stroke width
            line.setStrokeWidth(previousLineWidth);
            if (previousDashes != null) {
                line.setDashArray(previousDashes);
            }
        }
    }
    // Draw children (if any)
    super.drawWithoutTransforms(context, alpha, bounds);
}