erectangle.java

The ElectricTM VLSI Design System is an open-source Electronic Design Automation (EDA) system that c

    public double getLambdaMinX() {
        return lambdaMinX;
    }
    
    /**
     * Returns the smallest Y coordinate of this <code>ERectangle</code>
     * in lambda units in <code>double</code> precision.
     * @return the smallest y coordinate of this <code>ERectangle</code>.
     */
    public double getLambdaMinY() {
        return lambdaMinY;
    }
    
    /**
     * Returns the largest X coordinate of this <code>ERectangle</code>
     * in lambda units in <code>double</code> precision.
     * @return the largest x coordinate of this <code>ERectangle</code>.
     */
    public double getLambdaMaxX() {
        return lambdaMaxX;
    }
    
    /**
     * Returns the largest Y coordinate of this <code>ERectangle</code>
     * in lambda units in <code>double</code> precision.
     * @return the largest y coordinate of this <code>ERectangle</code>.
     */
    public double getLambdaMaxY() {
        return lambdaMaxY;
    }
    
    /**
     * Returns the X coordinate of the center of this <code>ERectangle</code>
     * in lambda units in <code>double</code> precision.
     * @return the x coordinate of this <code>ERectangle</code> object's center.
     */
    public double getLambdaCenterX() {
        return getCenterX();
    }

    /**
     * Returns the Y coordinate of the center of this <code>ERectangle</code>
     * in lambda units in <code>double</code> precision.
     * @return the y coordinate of this <code>ERectangle</code> object's center.
     */
    public double getLambdaCenterY() {
        return getCenterY();
    }

    /**
     * Returns the X coordinate of this <code>ERectangle</code>
     * in grid units in long precision.
     * @return the X coordinate of this <code>ERectangle</code>.
     */
    public long getGridX() {
        return gridMinX;
    }
    
    /**
     * Returns the Y coordinate of this <code>ERectangle</code>
     * in grid units in long precision.
     * @return the X coordinate of this <code>ERectangle</code>.
     */
    public long getGridY() {
        return gridMinY;
    }
    
    /**
     * Returns the width of this <code>ERectangle</code>
     * in grid units in long precision.
     * @return the width of this <code>ERectangle</code>.
     */
    public long getGridWidth() {
        return gridMaxX - gridMinX;
    }
    
    /**
     * Returns the heigth of this <code>ERectangle</code>
     * in grid units in long precision.
     * @return the heigth of this <code>ERectangle</code>.
     */
    public long getGridHeight() {
        return gridMaxY - gridMinY;
    }
    
    /**
     * Returns the smallest X coordinate of this <code>ERectangle</code>
     * in grid units in <code>long</code> precision.
     * @return the smallest x coordinate of this <code>ERectangle</code>.
     */
    public long getGridMinX() {
        return gridMinX;
    }
    
    /**
     * Returns the smallest Y coordinate of this <code>ERectangle</code>
     * in grid units in <code>long</code> precision.
     * @return the smallest y coordinate of this <code>ERectangle</code>.
     */
    public long getGridMinY() {
        return gridMinY;
    }
    
    /**
     * Returns the largest X coordinate of this <code>ERectangle</code>
     * in grid units in <code>long</code> precision.
     * @return the largest x coordinate of this <code>ERectangle</code>.
     */
    public long getGridMaxX() {
        return gridMaxX;
    }
    
    /**
     * Returns the largest Y coordinate of this <code>ERectangle</code>
     * in grid units in <code>long</code> precision.
     * @return the largest y coordinate of this <code>ERectangle</code>.
     */
    public long getGridMaxY() {
        return gridMaxY;
    }
    
    /**
     * Returns the X coordinate of the center of this <code>ERectangle</code>
     * in grid units in <code>long</code> precision.
     * @return the x coordinate of this <code>ERectangle</code> object's center.
     */
    public double getGridCenterX() {
        return (gridMinX + gridMaxX) >> 1;
    }

    /**
     * Returns the Y coordinate of the center of this <code>ERectangle</code>
     * in grid units in <code>long</code> precision.
     * @return the y coordinate of this <code>ERectangle</code> object's center.
     */
    public double getGridCenterY() {
        return (gridMinY + gridMaxY) >> 1;
    }

    @Override
    public boolean isEmpty() { return gridMinX >= gridMaxX || gridMinY >= gridMaxY; }
    
    /**
     * Returns true if all coordinates of this EPoint are "small ints".
     * @return true if all coordinates of this EPoint are "small ints".
     * @see com.sun.electric.database.geometry.GenMath#MIN_SMALL_COORD
     * @see com.sun.electric.database.geometry.GenMath#MAX_SMALL_COORD
     */
    public boolean isSmall() { return isSmall; }
    
    @Override
    public void setRect(double x, double y, double w, double h) {
        throw new UnsupportedOperationException();
    }
    
    @Override
    public int outcode(double x, double y) {
        int out = 0;
        if (gridMinX >= gridMaxX) {
            out |= OUT_LEFT | OUT_RIGHT;
        } else if (x*DBMath.GRID < gridMinX) {
            out |= OUT_LEFT;
        } else if (x*DBMath.GRID > gridMaxX) {
            out |= OUT_RIGHT;
        }
        if (gridMinY >= gridMaxY) {
            out |= OUT_TOP | OUT_BOTTOM;
        } else if (y*DBMath.GRID < gridMinY) {
            out |= OUT_TOP;
        } else if (y*DBMath.GRID > gridMaxY) {
            out |= OUT_BOTTOM;
        }
        return out;
    }
    
    @Override
    public Rectangle2D getBounds2D() {
        return this;
    }
    
    /**
     * Returns the bounding box of the <code>ERectangle</code>.
     * @return a {@link Rectangle} object that bounds the 
     * 		<code>ERectangle</code>.
     */
    public Rectangle getBounds() {
        long width = getGridWidth();
        long height = getGridHeight();
        if (width < 0 || height < 0) {
            return new Rectangle();
        }
        return new Rectangle((int)getGridX(), (int)getGridY(), (int)width, (int)height);
    }

    @Override
    public Rectangle2D createIntersection(Rectangle2D r) {
        if (r instanceof ERectangle) {
            ERectangle src = (ERectangle)r;
        	long x1 = Math.max(gridMinX, src.gridMinX);
            long y1 = Math.max(gridMinY, src.gridMinY);
            long x2 = Math.min(gridMaxX, src.gridMaxX);
            long y2 = Math.min(gridMaxY, src.gridMaxY);
            if (x1 == gridMinX && y1 == gridMinY && x2 == gridMaxX && y2 == gridMaxY) return this;
            if (x1 == src.gridMinX && y1 == src.gridMinY && x2 == src.gridMaxX && y2 == src.gridMaxY) return src;
            return new ERectangle(x1, y1, x2 - x1, y2 - 1);
        }
        Rectangle2D dest = new Rectangle2D.Double();
        Rectangle2D.intersect(this, r, dest);
        return dest;
    }
    
    @Override
    public Rectangle2D createUnion(Rectangle2D r) {
        if (r instanceof ERectangle) {
            ERectangle src = (ERectangle)r;
            long x1 = Math.min(gridMinX, src.gridMinX);
            long y1 = Math.min(gridMinY, src.gridMinY);
            long x2 = Math.max(gridMaxX, src.gridMaxX);
            long y2 = Math.max(gridMaxY, src.gridMaxY);
            if (x1 == gridMinX && y1 == gridMinY && x2 == gridMaxX && y2 == gridMaxY) return this;
            if (x1 == src.gridMinX && y1 == src.gridMinY && x2 == src.gridMaxX && y2 == src.gridMaxY) return src;
            return new ERectangle(x1, y1, x2 - x1, y2 - 1);
        }
        Rectangle2D dest = new Rectangle2D.Double();
        Rectangle2D.union(this, r, dest);
        return dest;
    }
    
    @Override
    public String toString() {
        return getClass().getName() + "[x=" + getX() + ",y=" + getY() + ",w=" + getWidth() + ",h=" + getHeight() + "]";
    }
}