Java CategoryItemRenderer.drawRangeGridline方法代碼示例

import org.jfree.chart.renderer.category.CategoryItemRenderer; //導入方法依賴的package包/類
/**
 * Draws the gridlines for the plot.
 *
 * @param g2  the graphics device.
 * @param dataArea  the area inside the axes.
 * @param ticks  the ticks.
 */
protected void drawRangeGridlines(Graphics2D g2, Rectangle2D dataArea, List ticks) {
    // draw the range grid lines, if any...
    if (isRangeGridlinesVisible()) {
        Stroke gridStroke = getRangeGridlineStroke();
        Paint gridPaint = getRangeGridlinePaint();
        if ((gridStroke != null) && (gridPaint != null)) {
            ValueAxis axis = getRangeAxis();
            if (axis != null) {
                Iterator iterator = ticks.iterator();
                while (iterator.hasNext()) {
                    ValueTick tick = (ValueTick) iterator.next();
                    CategoryItemRenderer renderer1 = getRenderer();
                    if (renderer1 != null) {
                        renderer1.drawRangeGridline(
                            g2, this, getRangeAxis(), dataArea, tick.getValue()
                        );
                    }
                }
            }
        }
    }
}
 

import org.jfree.chart.renderer.category.CategoryItemRenderer; //導入方法依賴的package包/類
/**
 * Draws the gridlines for the plot.
 *
 * @param g2  the graphics device.
 * @param dataArea  the area inside the axes.
 * @param ticks  the ticks.
 * 
 * @see #drawDomainGridlines(Graphics2D, Rectangle2D)
 */
protected void drawRangeGridlines(Graphics2D g2, Rectangle2D dataArea, 
                                  List ticks) {
    // draw the range grid lines, if any...
    if (isRangeGridlinesVisible()) {
        Stroke gridStroke = getRangeGridlineStroke();
        Paint gridPaint = getRangeGridlinePaint();
        if ((gridStroke != null) && (gridPaint != null)) {
            ValueAxis axis = getRangeAxis();
            if (axis != null) {
                Iterator iterator = ticks.iterator();
                while (iterator.hasNext()) {
                    ValueTick tick = (ValueTick) iterator.next();
                    CategoryItemRenderer renderer1 = getRenderer();
                    if (renderer1 != null) {
                        renderer1.drawRangeGridline(g2, this, 
                                getRangeAxis(), dataArea, tick.getValue());
                    }
                }
            }
        }
    }
}
 

import org.jfree.chart.renderer.category.CategoryItemRenderer; //導入方法依賴的package包/類
/**
 * Draws a base line across the chart at value zero on the range axis.
 *
 * @param g2  the graphics device.
 * @param area  the data area.
 *
 * @see #setRangeZeroBaselineVisible(boolean)
 *
 * @since 1.0.13
 */
protected void drawZeroRangeBaseline(Graphics2D g2, Rectangle2D area) {
    if (!isRangeZeroBaselineVisible()) {
        return;
    }
    CategoryItemRenderer r = getRenderer();
    if (r instanceof AbstractCategoryItemRenderer) {
        AbstractCategoryItemRenderer aci = (AbstractCategoryItemRenderer) r;
        aci.drawRangeLine(g2, this, getRangeAxis(), area, 0.0,
                this.rangeZeroBaselinePaint, this.rangeZeroBaselineStroke);
    }
    else {
        r.drawRangeGridline(g2, this, getRangeAxis(), area, 0.0);
    }
}
 

import org.jfree.chart.renderer.category.CategoryItemRenderer; //導入方法依賴的package包/類
/**
 * Draws the range gridlines for the plot, if they are visible.
 *
 * @param g2  the graphics device ({@code null} not permitted).
 * @param dataArea  the area inside the axes ({@code null} not permitted).
 * @param ticks  the ticks.
 *
 * @see #drawDomainGridlines(Graphics2D, Rectangle2D)
 */
protected void drawRangeGridlines(Graphics2D g2, Rectangle2D dataArea,
                                  List ticks) {
    // draw the range grid lines, if any...
    if (!isRangeGridlinesVisible() && !isRangeMinorGridlinesVisible()) {
        return;
    }
    // no axis, no gridlines...
    ValueAxis axis = getRangeAxis();
    if (axis == null) {
        return;
    }
    // no renderer, no gridlines...
    CategoryItemRenderer r = getRenderer();
    if (r == null) {
        return;
    }

    Stroke gridStroke = null;
    Paint gridPaint = null;
    boolean paintLine;
    Iterator iterator = ticks.iterator();
    while (iterator.hasNext()) {
        paintLine = false;
        ValueTick tick = (ValueTick) iterator.next();
        if ((tick.getTickType() == TickType.MINOR)
                && isRangeMinorGridlinesVisible()) {
            gridStroke = getRangeMinorGridlineStroke();
            gridPaint = getRangeMinorGridlinePaint();
            paintLine = true;
        }
        else if ((tick.getTickType() == TickType.MAJOR)
                && isRangeGridlinesVisible()) {
            gridStroke = getRangeGridlineStroke();
            gridPaint = getRangeGridlinePaint();
            paintLine = true;
        }
        if (((tick.getValue() != 0.0)
                || !isRangeZeroBaselineVisible()) && paintLine) {
            // the method we want isn't in the CategoryItemRenderer
            // interface...
            if (r instanceof AbstractCategoryItemRenderer) {
                AbstractCategoryItemRenderer aci
                        = (AbstractCategoryItemRenderer) r;
                aci.drawRangeLine(g2, this, axis, dataArea,
                        tick.getValue(), gridPaint, gridStroke);
            }
            else {
                // we'll have to use the method in the interface, but
                // this doesn't have the paint and stroke settings...
                r.drawRangeGridline(g2, this, axis, dataArea,
                        tick.getValue());
            }
        }
    }
}