Java Rectangle2D.getMaxY方法代码示例

import java.awt.geom.Rectangle2D; //导入方法依赖的package包/类
/**
 * Draws a vertical line used to trace the mouse position to the horizontal axis.
 * 
 * @param g2
 *            the graphics device.
 * @param x
 *            the x-coordinate of the trace line.
 */
private void drawHorizontalAxisTrace(Graphics2D g2, int x) {

	Rectangle2D dataArea = getScreenDataArea();

	g2.setXORMode(Color.orange);
	if ((int) dataArea.getMinX() < x && x < (int) dataArea.getMaxX()) {

		if (this.verticalTraceLine != null) {
			g2.draw(this.verticalTraceLine);
			this.verticalTraceLine.setLine(x, (int) dataArea.getMinY(), x, (int) dataArea.getMaxY());
		} else {
			this.verticalTraceLine = new Line2D.Float(x, (int) dataArea.getMinY(), x, (int) dataArea.getMaxY());
		}
		g2.draw(this.verticalTraceLine);
	}

	// Reset to the default 'overwrite' mode
	g2.setPaintMode();
}
 

import java.awt.geom.Rectangle2D; //导入方法依赖的package包/类
/**
 * Draws an axis line at the current cursor position and edge.
 * 
 * @param g2  the graphics device.
 * @param cursor  the cursor position.
 * @param dataArea  the data area.
 * @param edge  the edge.
 */
protected void drawAxisLine(Graphics2D g2, double cursor,
        Rectangle2D dataArea, RectangleEdge edge) {
    
    Line2D axisLine = null;
    if (edge == RectangleEdge.TOP) {
        axisLine = new Line2D.Double(dataArea.getX(), cursor, dataArea.getMaxX(), cursor);  
    }
    else if (edge == RectangleEdge.BOTTOM) {
        axisLine = new Line2D.Double(dataArea.getX(), cursor, dataArea.getMaxX(), cursor);  
    }
    else if (edge == RectangleEdge.LEFT) {
        axisLine = new Line2D.Double(cursor, dataArea.getY(), cursor, dataArea.getMaxY());  
    }
    else if (edge == RectangleEdge.RIGHT) {
        axisLine = new Line2D.Double(cursor, dataArea.getY(), cursor, dataArea.getMaxY());  
    }
    g2.setPaint(this.axisLinePaint);
    g2.setStroke(this.axisLineStroke);
    g2.draw(axisLine);
    
}
 

import java.awt.geom.Rectangle2D; //导入方法依赖的package包/类
/**
 * Fills a band between two values on the axis.  This can be used to color bands between the
 * grid lines.
 *
 * @param g2  the graphics device.
 * @param plot  the plot.
 * @param axis  the domain axis.
 * @param dataArea  the data area.
 * @param start  the start value.
 * @param end  the end value.
 */
public void fillDomainGridBand(Graphics2D g2,
                               XYPlot plot,
                               ValueAxis axis,
                               Rectangle2D dataArea,
                               double start, double end) {

    double x1 = axis.valueToJava2D(start, dataArea, plot.getDomainAxisEdge());
    double x2 = axis.valueToJava2D(end, dataArea, plot.getDomainAxisEdge());
    // TODO: need to change the next line to take account of plot orientation...
    Rectangle2D band = new Rectangle2D.Double(
        x1, dataArea.getMinY(), x2 - x1, dataArea.getMaxY() - dataArea.getMinY()
    );
    Paint paint = plot.getDomainTickBandPaint();

    if (paint != null) {
        g2.setPaint(paint);
        g2.fill(band);
    }

}
 

import java.awt.geom.Rectangle2D; //导入方法依赖的package包/类
/**
 * Draws a grid line against the range axis.
 *
 * @param g2  the graphics device.
 * @param plot  the plot.
 * @param axis  the value axis.
 * @param dataArea  the area for plotting data (not yet adjusted for any 3D effect).
 * @param value  the value at which the grid line should be drawn.
 *
 */
public void drawRangeGridline(Graphics2D g2,
                              CategoryPlot plot,
                              ValueAxis axis,
                              Rectangle2D dataArea,
                              double value) {

    Range range = axis.getRange();
    if (!range.contains(value)) {
        return;
    }

    PlotOrientation orientation = plot.getOrientation();
    double v = axis.valueToJava2D(value, dataArea, plot.getRangeAxisEdge());
    Line2D line = null;
    if (orientation == PlotOrientation.HORIZONTAL) {
        line = new Line2D.Double(v, dataArea.getMinY(), v, dataArea.getMaxY());
    }
    else if (orientation == PlotOrientation.VERTICAL) {
        line = new Line2D.Double(dataArea.getMinX(), v, dataArea.getMaxX(), v);
    }

    Paint paint = plot.getRangeGridlinePaint();
    if (paint == null) {
        paint = CategoryPlot.DEFAULT_GRIDLINE_PAINT;
    }
    g2.setPaint(paint);

    Stroke stroke = plot.getRangeGridlineStroke();
    if (stroke == null) {
        stroke = CategoryPlot.DEFAULT_GRIDLINE_STROKE;
    }
    g2.setStroke(stroke);

    g2.draw(line);

}
 

import java.awt.geom.Rectangle2D; //导入方法依赖的package包/类
/**
 * Draws a the title horizontally within the specified area.  This method 
 * will be called from the {@link #draw(Graphics2D, Rectangle2D) draw} 
 * method.
 * 
 * @param g2  the graphics device.
 * @param area  the area for the title.
 */
protected void drawHorizontal(Graphics2D g2, Rectangle2D area) {
    Rectangle2D titleArea = (Rectangle2D) area.clone();
    g2.setFont(this.font);
    g2.setPaint(this.paint);
    TextBlockAnchor anchor = null;
    float x = 0.0f;
    HorizontalAlignment horizontalAlignment = getHorizontalAlignment();
    if (horizontalAlignment == HorizontalAlignment.LEFT) {
        x = (float) titleArea.getX();
        anchor = TextBlockAnchor.TOP_LEFT;
    }
    else if (horizontalAlignment == HorizontalAlignment.RIGHT) {
        x = (float) titleArea.getMaxX();
        anchor = TextBlockAnchor.TOP_RIGHT;
    }
    else if (horizontalAlignment == HorizontalAlignment.CENTER) {
        x = (float) titleArea.getCenterX();
        anchor = TextBlockAnchor.TOP_CENTER;
    }
    float y = 0.0f;
    RectangleEdge position = getPosition();
    if (position == RectangleEdge.TOP) {
        y = (float) titleArea.getY();
    }
    else if (position == RectangleEdge.BOTTOM) {
        y = (float) titleArea.getMaxY();
        if (horizontalAlignment == HorizontalAlignment.LEFT) {
            anchor = TextBlockAnchor.BOTTOM_LEFT;
        }
        else if (horizontalAlignment == HorizontalAlignment.CENTER) {
            anchor = TextBlockAnchor.BOTTOM_CENTER;
        }
        else if (horizontalAlignment == HorizontalAlignment.RIGHT) {
            anchor = TextBlockAnchor.BOTTOM_RIGHT;
        }
    }
    this.content.draw(g2, x, y, anchor);
}
 

import java.awt.geom.Rectangle2D; //导入方法依赖的package包/类
/**
 * Converts a data value to a coordinate in Java2D space, assuming that
 * the axis runs along one edge of the specified plotArea.
 * Note that it is possible for the coordinate to fall outside the
 * plotArea.
 *
 * @param value  the data value.
 * @param plotArea  the area for plotting the data.
 * @param edge  the axis location.
 *
 * @return the Java2D coordinate.
 */
public double valueToJava2D(double value, Rectangle2D plotArea, RectangleEdge edge) {

    Range range = getRange();
    double axisMin = switchedLog10(range.getLowerBound());
    double axisMax = switchedLog10(range.getUpperBound());

    double min = 0.0;
    double max = 0.0;
    if (RectangleEdge.isTopOrBottom(edge)) {
        min = plotArea.getMinX();
        max = plotArea.getMaxX();
    }
    else if (RectangleEdge.isLeftOrRight(edge)) {
        min = plotArea.getMaxY();
        max = plotArea.getMinY();
    }

    value = switchedLog10(value);

    if (isInverted()) {
        return max - (((value - axisMin) / (axisMax - axisMin)) * (max - min));
    }
    else {
        return min + (((value - axisMin) / (axisMax - axisMin)) * (max - min));
    }

}
 

import java.awt.geom.Rectangle2D; //导入方法依赖的package包/类
/**
 * Draws a grid line against the domain axis.
 * <P>
 * Note that this default implementation assumes that the horizontal axis
 * is the domain axis. If this is not the case, you will need to override
 * this method.
 *
 * @param g2  the graphics device.
 * @param plot  the plot.
 * @param dataArea  the area for plotting data (not yet adjusted for any
 *                  3D effect).
 * @param value  the Java2D value at which the grid line should be drawn.
 *
 * @see #drawRangeGridline(Graphics2D, CategoryPlot, ValueAxis,
 *     Rectangle2D, double)
 */
public void drawDomainGridline(Graphics2D g2,
                               CategoryPlot plot,
                               Rectangle2D dataArea,
                               double value) {

    Line2D line = null;
    PlotOrientation orientation = plot.getOrientation();

    if (orientation == PlotOrientation.HORIZONTAL) {
        line = new Line2D.Double(dataArea.getMinX(), value,
                dataArea.getMaxX(), value);
    }
    else if (orientation == PlotOrientation.VERTICAL) {
        line = new Line2D.Double(value, dataArea.getMinY(), value,
                dataArea.getMaxY());
    }

    Paint paint = plot.getDomainGridlinePaint();
    if (paint == null) {
        paint = CategoryPlot.DEFAULT_GRIDLINE_PAINT;
    }
    g2.setPaint(paint);

    Stroke stroke = plot.getDomainGridlineStroke();
    if (stroke == null) {
        stroke = CategoryPlot.DEFAULT_GRIDLINE_STROKE;
    }
    g2.setStroke(stroke);

    g2.draw(line);

}
 

import java.awt.geom.Rectangle2D; //导入方法依赖的package包/类
/**
 * Draws a grid line against the range axis.
 *
 * @param g2  the graphics device.
 * @param plot  the plot.
 * @param axis  the value axis.
 * @param dataArea  the area for plotting data (not yet adjusted for any 3D effect).
 * @param value  the value at which the grid line should be drawn.
 *
 */
public void drawRangeGridLine(Graphics2D g2,
                              XYPlot plot,
                              ValueAxis axis,
                              Rectangle2D dataArea,
                              double value) {

    Range range = axis.getRange();
    if (!range.contains(value)) {
        return;
    }

    PlotOrientation orientation = plot.getOrientation();
    Line2D line = null;
    double v = axis.valueToJava2D(value, dataArea, plot.getRangeAxisEdge());
    if (orientation == PlotOrientation.HORIZONTAL) {
        line = new Line2D.Double(v, dataArea.getMinY(), v, dataArea.getMaxY());
    }
    else if (orientation == PlotOrientation.VERTICAL) {
        line = new Line2D.Double(dataArea.getMinX(), v, dataArea.getMaxX(), v);
    }

    Paint paint = plot.getRangeGridlinePaint();
    Stroke stroke = plot.getRangeGridlineStroke();
    g2.setPaint(paint != null ? paint : Plot.DEFAULT_OUTLINE_PAINT);
    g2.setStroke(stroke != null ? stroke : Plot.DEFAULT_OUTLINE_STROKE);
    g2.draw(line);

}
 

import java.awt.geom.Rectangle2D; //导入方法依赖的package包/类
/**
 * Converts a data value to a coordinate in Java2D space, assuming that
 * the axis runs along one edge of the specified plotArea.
 * Note that it is possible for the coordinate to fall outside the
 * plotArea.
 *
 * @param value  the data value.
 * @param plotArea  the area for plotting the data.
 * @param edge  the axis location.
 *
 * @return the Java2D coordinate.
 * 
 * @deprecated Use valueToJava2D().
 */
public double translateValueToJava2D(double value, Rectangle2D plotArea,
                                     RectangleEdge edge) {

    Range range = getRange();
    double axisMin = switchedLog10(range.getLowerBound());
    double axisMax = switchedLog10(range.getUpperBound());

    double min = 0.0;
    double max = 0.0;
    if (RectangleEdge.isTopOrBottom(edge)) {
        min = plotArea.getMinX();
        max = plotArea.getMaxX();
    }
    else if (RectangleEdge.isLeftOrRight(edge)) {
        min = plotArea.getMaxY();
        max = plotArea.getMinY();
    }

    value = switchedLog10(value);

    if (isInverted()) {
        return max - (((value - axisMin) / (axisMax - axisMin)) * (max - min));
    }
    else {
        return min + (((value - axisMin) / (axisMax - axisMin)) * (max - min));
    }

}
 

import java.awt.geom.Rectangle2D; //导入方法依赖的package包/类
/**
 * Draws a the title vertically within the specified area.  This method 
 * will be called from the {@link #draw(Graphics2D, Rectangle2D) draw} 
 * method.
 * 
 * @param g2  the graphics device.
 * @param area  the area for the title.
 */
protected void drawVertical(Graphics2D g2, Rectangle2D area) {
    Rectangle2D titleArea = (Rectangle2D) area.clone();
    g2.setFont(this.font);
    g2.setPaint(this.paint);
    TextBlockAnchor anchor = null;
    float y = 0.0f;
    VerticalAlignment verticalAlignment = getVerticalAlignment();
    if (verticalAlignment == VerticalAlignment.TOP) {
        y = (float) titleArea.getY();
        anchor = TextBlockAnchor.TOP_RIGHT;
    }
    else if (verticalAlignment == VerticalAlignment.BOTTOM) {
        y = (float) titleArea.getMaxY();
        anchor = TextBlockAnchor.TOP_LEFT;
    }
    else if (verticalAlignment == VerticalAlignment.CENTER) {
        y = (float) titleArea.getCenterY();
        anchor = TextBlockAnchor.TOP_CENTER;
    }
    float x = 0.0f;
    RectangleEdge position = getPosition();
    if (position == RectangleEdge.LEFT) {
        x = (float) titleArea.getX();
    }
    else if (position == RectangleEdge.RIGHT) {
        x = (float) titleArea.getMaxX();
        if (verticalAlignment == VerticalAlignment.TOP) {
            anchor = TextBlockAnchor.BOTTOM_RIGHT;
        }
        else if (verticalAlignment == VerticalAlignment.CENTER) {
            anchor = TextBlockAnchor.BOTTOM_CENTER;
        }
        else if (verticalAlignment == VerticalAlignment.BOTTOM) {
            anchor = TextBlockAnchor.BOTTOM_LEFT;
        }
    }
    this.content.draw(g2, x, y, anchor, x, y, -Math.PI / 2.0);
}
 

import java.awt.geom.Rectangle2D; //导入方法依赖的package包/类
/**
 * Converts a coordinate in Java2D space to the corresponding data
 * value, assuming that the axis runs along one edge of the specified
 * plotArea.
 *
 * @param java2DValue  the coordinate in Java2D space.
 * @param plotArea  the area in which the data is plotted.
 * @param edge  the axis location.
 *
 * @return The data value.
 */
public double java2DToValue(double java2DValue, Rectangle2D plotArea,
                            RectangleEdge edge) {

    Range range = getRange();
    double axisMin = switchedLog10(range.getLowerBound());
    double axisMax = switchedLog10(range.getUpperBound());

    double plotMin = 0.0;
    double plotMax = 0.0;
    if (RectangleEdge.isTopOrBottom(edge)) {
        plotMin = plotArea.getX();
        plotMax = plotArea.getMaxX();
    }
    else if (RectangleEdge.isLeftOrRight(edge)) {
        plotMin = plotArea.getMaxY();
        plotMax = plotArea.getMinY();
    }

    if (isInverted()) {
        return switchedPow10(axisMax - ((java2DValue - plotMin) 
                / (plotMax - plotMin)) * (axisMax - axisMin));
    }
    else {
        return switchedPow10(axisMin + ((java2DValue - plotMin) 
                / (plotMax - plotMin)) * (axisMax - axisMin));
    }
}
 

import java.awt.geom.Rectangle2D; //导入方法依赖的package包/类
/**
 * Converts a coordinate in Java2D space to the corresponding data value,
 * assuming that the axis runs along one edge of the specified dataArea.
 *
 * @param java2DValue  the coordinate in Java2D space.
 * @param area  the area in which the data is plotted.
 * @param edge  the edge along which the axis lies.
 *
 * @return The data value.
 */
public double java2DToValue(double java2DValue,
                            Rectangle2D area,
                            RectangleEdge edge) {

    double result = Double.NaN;
    double min = 0.0;
    double max = 0.0;
    double axisMin = this.first.getFirstMillisecond(this.calendar);
    double axisMax = this.last.getLastMillisecond(this.calendar);
    if (RectangleEdge.isTopOrBottom(edge)) {
        min = area.getX();
        max = area.getMaxX();
    }
    else if (RectangleEdge.isLeftOrRight(edge)) {
        min = area.getMaxY();
        max = area.getY();
    }
    if (isInverted()) {
         result = axisMax - ((java2DValue - min) / (max - min) 
                  * (axisMax - axisMin));
    }
    else {
         result = axisMin + ((java2DValue - min) / (max - min) 
                  * (axisMax - axisMin));
    }
    return result;
}
 

import java.awt.geom.Rectangle2D; //导入方法依赖的package包/类
/**
 * Converts a value on the axis scale to a Java2D coordinate relative to 
 * the given <code>area</code>, based on the axis running along the 
 * specified <code>edge</code>.
 * 
 * @param value  the data value.
 * @param area  the area.
 * @param edge  the edge.
 * 
 * @return The Java2D coordinate corresponding to <code>value</code>.
 */
public double valueToJava2D(double value, Rectangle2D area, 
        RectangleEdge edge) {
    
    Range range = getRange();
    double axisMin = calculateLog(range.getLowerBound());
    double axisMax = calculateLog(range.getUpperBound());
    value = calculateLog(value);
    
    double min = 0.0;
    double max = 0.0;
    if (RectangleEdge.isTopOrBottom(edge)) {
        min = area.getX();
        max = area.getMaxX();
    }
    else if (RectangleEdge.isLeftOrRight(edge)) {
        max = area.getMinY();
        min = area.getMaxY();
    }
    if (isInverted()) {
        return max 
               - ((value - axisMin) / (axisMax - axisMin)) * (max - min);
    }
    else {
        return min 
               + ((value - axisMin) / (axisMax - axisMin)) * (max - min);
    }
}
 

import java.awt.geom.Rectangle2D; //导入方法依赖的package包/类
/**
 * Utility method for drawing a crosshair on the chart (if required).
 *
 * @param g2  The graphics device.
 * @param dataArea  The data area.
 * @param value  The coordinate, where to draw the line.
 * @param stroke  The stroke to use.
 * @param paint  The paint to use.
 */
protected void drawVerticalLine(Graphics2D g2, Rectangle2D dataArea,
                                double value, Stroke stroke, Paint paint) {

    double xx = getDomainAxis().valueToJava2D(value, dataArea, 
            RectangleEdge.BOTTOM);
    Line2D line = new Line2D.Double(xx, dataArea.getMinY(), xx, 
            dataArea.getMaxY());
    g2.setStroke(stroke);
    g2.setPaint(paint);
    g2.draw(line);

}
 

import java.awt.geom.Rectangle2D; //导入方法依赖的package包/类
/**
 * Checks on which side of a rectangle a point lies. To avoid anchoring in
 * points very close to an angle we take a 0.9 scale on each side.
 * @param bounds the bounding box.
 * @param point the point to be checked.
 * @return 1 if the point lies east, 2 if it lies north, 3 if it lies west,
 *         4 if it lies south, and 0 if its outside a proper position.
 */
private static int getSide(Rectangle2D bounds, Point2D point) {
    double x = point.getX();
    double y = point.getY();
    double ulx = bounds.getX();
    double uly = bounds.getY();
    double brx = bounds.getMaxX();
    double bry = bounds.getMaxY();
    double scale = 0.1;
    double dx = (bounds.getWidth() * scale) / 2;
    double dy = (bounds.getHeight() * scale) / 2;
    double minX = ulx + dx;
    double minY = uly + dy;
    double maxX = brx - dx;
    double maxY = bry - dy;

    int side = 0;

    if (x >= brx && y >= minY && y <= maxY) {
        side = 1;
    } else if (y <= uly && x >= minX && x <= maxX) {
        side = 2;
    } else if (x <= ulx && y >= minY && y <= maxY) {
        side = 3;
    } else if (y >= bry && x >= minX && x <= maxX) {
        side = 4;
    }

    return side;
}