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Java Rotation.ANTICLOCKWISE属性代码示例

本文整理汇总了Java中org.jfree.chart.util.Rotation.ANTICLOCKWISE属性的典型用法代码示例。如果您正苦于以下问题:Java Rotation.ANTICLOCKWISE属性的具体用法?Java Rotation.ANTICLOCKWISE怎么用?Java Rotation.ANTICLOCKWISE使用的例子?那么, 这里精选的属性代码示例或许可以为您提供帮助。您也可以进一步了解该属性所在org.jfree.chart.util.Rotation的用法示例。


在下文中一共展示了Rotation.ANTICLOCKWISE属性的3个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Java代码示例。

示例1: calculateAngleForValue

private double calculateAngleForValue(double value, double total) {
    if (this.direction == Rotation.CLOCKWISE) {
        return this.startAngle - (value / total * 360.0);
    }
    else if (this.direction == Rotation.ANTICLOCKWISE) {
        return this.startAngle + (value / total * 360.0);
    }
    throw new RuntimeException("Unrecognised Rotation type.");
}
 
开发者ID:SpoonLabs,项目名称:astor,代码行数:9,代码来源:PiePlot.java

示例2: getArcCenter

/**
 * Returns the center for the specified section.
 * Checks to see if the section is exploded and recalculates the
 * new center if so.
 *
 * @param state  PiePlotState
 * @param key  section key.
 *
 * @return The center for the specified section.
 *
 * @since 1.0.14
 */
protected Point2D getArcCenter(PiePlotState state, Comparable key) {
    Point2D center = new Point2D.Double(state.getPieCenterX(), state
        .getPieCenterY());

    double ep = getExplodePercent(key);
    double mep = getMaximumExplodePercent();
    if (mep > 0.0) {
        ep = ep / mep;
    }
    if (ep != 0) {
        Rectangle2D pieArea = state.getPieArea();
        Rectangle2D expPieArea = state.getExplodedPieArea();
        double angle1, angle2;
        Number n = this.dataset.getValue(key);
        double value = n.doubleValue();

        if (this.direction == Rotation.CLOCKWISE) {
            angle1 = state.getLatestAngle();
            angle2 = angle1 - value / state.getTotal() * 360.0;
        } else if (this.direction == Rotation.ANTICLOCKWISE) {
            angle1 = state.getLatestAngle();
            angle2 = angle1 + value / state.getTotal() * 360.0;
        } else {
            throw new IllegalStateException("Rotation type not recognised.");
        }
        double angle = (angle2 - angle1);

        Arc2D arc1 = new Arc2D.Double(pieArea, angle1, angle / 2,
                Arc2D.OPEN);
        Point2D point1 = arc1.getEndPoint();
        Arc2D.Double arc2 = new Arc2D.Double(expPieArea, angle1, angle / 2,
                Arc2D.OPEN);
        Point2D point2 = arc2.getEndPoint();
        double deltaX = (point1.getX() - point2.getX()) * ep;
        double deltaY = (point1.getY() - point2.getY()) * ep;

        center = new Point2D.Double(state.getPieCenterX() - deltaX,
                 state.getPieCenterY() - deltaY);

    }
    return center;
}
 
开发者ID:jfree,项目名称:jfreechart,代码行数:54,代码来源:PiePlot.java

示例3: createHotSpotShape

/**
 * Returns a shape representing the hotspot for a pie section.
 *
 * @param g2  the graphics device.
 * @param dataArea  the area within which the data is being rendered.
 * @param selected  is the item selected?
 *
 * @return A shape equal to the hot spot for a data item.
 */
public Shape createHotSpotShape(Graphics2D g2, Rectangle2D dataArea,
        int section, boolean selected) {

    Number n = this.dataset.getValue(section);
    if (n == null) {
        return null;
    }
    double value = n.doubleValue();
    double angle1 = 0.0;
    double angle2 = 0.0;

    double total = DatasetUtilities.calculatePieDatasetTotal(this.dataset);
    double lead = 0.0;
    if (this.direction == Rotation.CLOCKWISE) {
        for (int i = 0; i < section; i++) {
            n = this.dataset.getValue(i);
            if (n != null) {
                value = n.doubleValue();
                if (value >= 0.0) {
                    lead = lead + value;
                }
            }
        }
        angle1 = getStartAngle() - lead / total * 360.0;
        angle2 = angle1 - value / total * 360.0;
    }
    else if (this.direction == Rotation.ANTICLOCKWISE) {
        angle1 = getStartAngle() + lead / total * 360.0;
        angle2 = angle1 + value / total * 360.0;
    }
    else {
        throw new IllegalStateException("Rotation type not recognised.");
    }

    double angle = (angle2 - angle1);
    if (Math.abs(angle) > getMinimumArcAngleToDraw()) {
        double ep = 0.0;
        double mep = getMaximumExplodePercent();
        if (mep > 0.0) {
            ep = getExplodePercent(getSectionKey(section)) / mep;
        }
        Rectangle2D arcBounds = getArcBounds(dataArea,
                dataArea, angle1, angle, ep);
        Arc2D.Double arc = new Arc2D.Double(arcBounds, angle1, angle,
                Arc2D.PIE);
        return arc;
    }
    return null;
}
 
开发者ID:SpoonLabs,项目名称:astor,代码行数:58,代码来源:PiePlot.java


注:本文中的org.jfree.chart.util.Rotation.ANTICLOCKWISE属性示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。