borderarrangementtests.java

java开发中使用Jfreechart进行画图的源码

        assertEquals(45.6, size.height, EPSILON);

        // TBLRC
        // 01000 - bottom item only
        container.clear();
        container.add(new EmptyBlock(12.3, 45.6), RectangleEdge.BOTTOM);
        size = container.arrange(g2, constraint);
        assertEquals(10.0, size.width, EPSILON);
        assertEquals(45.6, size.height, EPSILON);

        // TBLRC
        // 01001 - bottom and center only
        container.clear();
        container.add(new EmptyBlock(10.0, 20.0));
        container.add(new EmptyBlock(12.3, 45.6), RectangleEdge.BOTTOM);
        size = container.arrange(g2, constraint);
        assertEquals(10.0, size.width, EPSILON);
        assertEquals(65.6, size.height, EPSILON);

        // TBLRC
        // 01010 - bottom and right only
        container.clear();
        container.add(new EmptyBlock(10.0, 20.0), RectangleEdge.RIGHT);
        container.add(new EmptyBlock(12.3, 45.6), RectangleEdge.BOTTOM);
        size = container.arrange(g2, constraint);
        assertEquals(10.0, size.width, EPSILON);
        assertEquals(65.6, size.height, EPSILON);

        // TBLRC
        // 01011 - bottom, right and center
        container.clear();
        container.add(new EmptyBlock(21.0, 12.3));
        container.add(new EmptyBlock(10.0, 20.0), RectangleEdge.RIGHT);
        container.add(new EmptyBlock(12.3, 45.6), RectangleEdge.BOTTOM);
        size = container.arrange(g2, constraint);
        assertEquals(10.0, size.width, EPSILON);
        assertEquals(65.6, size.height, EPSILON);

        // TBLRC
        // 01100
        container.clear();
        container.add(new EmptyBlock(10.0, 20.0), RectangleEdge.LEFT);
        container.add(new EmptyBlock(12.3, 45.6), RectangleEdge.BOTTOM);
        size = container.arrange(g2, constraint);
        assertEquals(10.0, size.width, EPSILON);
        assertEquals(65.6, size.height, EPSILON);

        // TBLRC
        // 01101 - bottom, left and center
        container.clear();
        container.add(new EmptyBlock(21.0, 12.3));
        container.add(new EmptyBlock(10.0, 20.0), RectangleEdge.LEFT);
        container.add(new EmptyBlock(12.3, 45.6), RectangleEdge.BOTTOM);
        size = container.arrange(g2, constraint);
        assertEquals(10.0, size.width, EPSILON);
        assertEquals(65.6, size.height, EPSILON);

        // TBLRC
        // 01110 - bottom. left and right
        container.clear();
        container.add(new EmptyBlock(21.0, 12.3), RectangleEdge.RIGHT);
        container.add(new EmptyBlock(10.0, 20.0), RectangleEdge.LEFT);
        container.add(new EmptyBlock(12.3, 45.6), RectangleEdge.BOTTOM);
        size = container.arrange(g2, constraint);
        assertEquals(10.0, size.width, EPSILON);
        assertEquals(65.6, size.height, EPSILON);

        // TBLRC
        // 01111
        container.clear();
        container.add(new EmptyBlock(3.0, 4.0), RectangleEdge.BOTTOM);
        container.add(new EmptyBlock(5.0, 6.0), RectangleEdge.LEFT);
        container.add(new EmptyBlock(7.0, 8.0), RectangleEdge.RIGHT);
        container.add(new EmptyBlock(9.0, 10.0));
        size = container.arrange(g2, constraint);
        assertEquals(10.0, size.width, EPSILON);
        assertEquals(14.0, size.height, EPSILON);

        // TBLRC
        // 10000 - top item only
        container.clear();
        container.add(new EmptyBlock(12.3, 45.6), RectangleEdge.TOP);
        size = container.arrange(g2, constraint);
        assertEquals(10.0, size.width, EPSILON);
        assertEquals(45.6, size.height, EPSILON);

        // TBLRC
        // 10001 - top and center only
        container.clear();
        container.add(new EmptyBlock(10.0, 20.0));
        container.add(new EmptyBlock(12.3, 45.6), RectangleEdge.TOP);
        size = container.arrange(g2, constraint);
        assertEquals(10.0, size.width, EPSILON);
        assertEquals(65.6, size.height, EPSILON);

        // TBLRC
        // 10010 - right and top only
        container.clear();
        container.add(new EmptyBlock(10.0, 20.0), RectangleEdge.RIGHT);
        container.add(new EmptyBlock(12.3, 45.6), RectangleEdge.TOP);
        size = container.arrange(g2, constraint);
        assertEquals(10.0, size.width, EPSILON);
        assertEquals(65.6, size.height, EPSILON);

        // TBLRC
        // 10011 - top, right and center
        container.clear();
        container.add(new EmptyBlock(21.0, 12.3));
        container.add(new EmptyBlock(10.0, 20.0), RectangleEdge.TOP);
        container.add(new EmptyBlock(12.3, 45.6), RectangleEdge.RIGHT);
        size = container.arrange(g2, constraint);
        assertEquals(10.0, size.width, EPSILON);
        assertEquals(65.6, size.height, EPSILON);

        // TBLRC
        // 10100 - top and left only
        container.clear();
        container.add(new EmptyBlock(10.0, 20.0), RectangleEdge.LEFT);
        container.add(new EmptyBlock(12.3, 45.6), RectangleEdge.TOP);
        size = container.arrange(g2, constraint);
        assertEquals(10.0, size.width, EPSILON);
        assertEquals(65.6, size.height, EPSILON);

        // TBLRC
        // 10101 - top, left and center
        container.clear();
        container.add(new EmptyBlock(21.0, 12.3));
        container.add(new EmptyBlock(10.0, 20.0), RectangleEdge.TOP);
        container.add(new EmptyBlock(12.3, 45.6), RectangleEdge.LEFT);
        size = container.arrange(g2, constraint);
        assertEquals(10.0, size.width, EPSILON);
        assertEquals(65.6, size.height, EPSILON);

        // TBLRC
        // 10110 - top, left and right
        container.clear();
        container.add(new EmptyBlock(21.0, 12.3), RectangleEdge.RIGHT);
        container.add(new EmptyBlock(10.0, 20.0), RectangleEdge.TOP);
        container.add(new EmptyBlock(12.3, 45.6), RectangleEdge.LEFT);
        size = container.arrange(g2, constraint);
        assertEquals(10.0, size.width, EPSILON);
        assertEquals(65.6, size.height, EPSILON);

        // TBLRC
        // 10111
        container.clear();
        container.add(new EmptyBlock(1.0, 2.0), RectangleEdge.TOP);
        container.add(new EmptyBlock(5.0, 6.0), RectangleEdge.LEFT);
        container.add(new EmptyBlock(7.0, 8.0), RectangleEdge.RIGHT);
        container.add(new EmptyBlock(9.0, 10.0));
        size = container.arrange(g2, constraint);
        assertEquals(10.0, size.width, EPSILON);
        assertEquals(12.0, size.height, EPSILON);

        // TBLRC
        // 11000 - top and bottom only
        container.clear();
        container.add(new EmptyBlock(10.0, 20.0), RectangleEdge.TOP);
        container.add(new EmptyBlock(12.3, 45.6), RectangleEdge.BOTTOM);
        size = container.arrange(g2, constraint);
        assertEquals(10.0, size.width, EPSILON);
        assertEquals(65.6, size.height, EPSILON);

        // TBLRC
        // 11001
        container.clear();
        container.add(new EmptyBlock(21.0, 12.3));
        container.add(new EmptyBlock(10.0, 20.0), RectangleEdge.TOP);
        container.add(new EmptyBlock(12.3, 45.6), RectangleEdge.BOTTOM);
        size = container.arrange(g2, constraint);
        assertEquals(10.0, size.width, EPSILON);
        assertEquals(77.9, size.height, EPSILON);

        // TBLRC
        // 11010 - top, bottom and right
        container.clear();
        container.add(new EmptyBlock(21.0, 12.3), RectangleEdge.RIGHT);
        container.add(new EmptyBlock(10.0, 20.0), RectangleEdge.TOP);
        container.add(new EmptyBlock(12.3, 45.6), RectangleEdge.BOTTOM);
        size = container.arrange(g2, constraint);
        assertEquals(10.0, size.width, EPSILON);
        assertEquals(77.9, size.height, EPSILON);

        // TBLRC
        // 11011
        container.clear();
        container.add(new EmptyBlock(1.0, 2.0), RectangleEdge.TOP);
        container.add(new EmptyBlock(3.0, 4.0), RectangleEdge.BOTTOM);
        container.add(new EmptyBlock(7.0, 8.0), RectangleEdge.RIGHT);
        container.add(new EmptyBlock(9.0, 10.0));
        size = container.arrange(g2, constraint);
        assertEquals(10.0, size.width, EPSILON);
        assertEquals(16.0, size.height, EPSILON);

        // TBLRC
        // 11100
        container.clear();
        container.add(new EmptyBlock(21.0, 12.3), RectangleEdge.LEFT);
        container.add(new EmptyBlock(10.0, 20.0), RectangleEdge.TOP);
        container.add(new EmptyBlock(12.3, 45.6), RectangleEdge.BOTTOM);
        size = container.arrange(g2, constraint);
        assertEquals(10.0, size.width, EPSILON);
        assertEquals(77.9, size.height, EPSILON);

        // TBLRC
        // 11101
        container.clear();
        container.add(new EmptyBlock(1.0, 2.0), RectangleEdge.TOP);
        container.add(new EmptyBlock(3.0, 4.0), RectangleEdge.BOTTOM);
        container.add(new EmptyBlock(5.0, 6.0), RectangleEdge.LEFT);
        container.add(new EmptyBlock(9.0, 10.0));
        size = container.arrange(g2, constraint);
        assertEquals(10.0, size.width, EPSILON);
        assertEquals(16.0, size.height, EPSILON);

        // TBLRC
        // 11110
        container.clear();
        container.add(new EmptyBlock(1.0, 2.0), RectangleEdge.TOP);
        container.add(new EmptyBlock(3.0, 4.0), RectangleEdge.BOTTOM);
        container.add(new EmptyBlock(5.0, 6.0), RectangleEdge.LEFT);
        container.add(new EmptyBlock(7.0, 8.0), RectangleEdge.RIGHT);
        size = container.arrange(g2, constraint);
        assertEquals(10.0, size.width, EPSILON);
        assertEquals(14.0, size.height, EPSILON);

        // TBLRC
        // 11111 - all
        container.clear();
        container.add(new EmptyBlock(1.0, 2.0), RectangleEdge.TOP);
        container.add(new EmptyBlock(3.0, 4.0), RectangleEdge.BOTTOM);
        container.add(new EmptyBlock(5.0, 6.0), RectangleEdge.LEFT);
        container.add(new EmptyBlock(7.0, 8.0), RectangleEdge.RIGHT);
        container.add(new EmptyBlock(9.0, 10.0));
        size = container.arrange(g2, constraint);
        assertEquals(10.0, size.width, EPSILON);
        assertEquals(16.0, size.height, EPSILON);

        // TBLRC
        // 00000 - no items
        container.clear();
        size = container.arrange(g2, constraint);
        assertEquals(10.0, size.width, EPSILON);
        assertEquals(0.0, size.height, EPSILON);

    }

    /**
     * This test is for a particular bug that arose just prior to the release
     * of JFreeChart 1.0.10.  A BorderArrangement with LEFT, CENTRE and RIGHT
     * blocks that is too wide, by default, for the available space, wasn't
     * shrinking the centre block as expected.
     */
    public void testBugX() {
        RectangleConstraint constraint = new RectangleConstraint(
                new Range(0.0, 200.0), new Range(0.0, 100.0));
        BlockContainer container = new BlockContainer(new BorderArrangement());
        BufferedImage image = new BufferedImage(200, 100,
                BufferedImage.TYPE_INT_RGB);
        Graphics2D g2 = image.createGraphics();

        container.add(new EmptyBlock(10.0, 6.0), RectangleEdge.LEFT);
        container.add(new EmptyBlock(20.0, 6.0), RectangleEdge.RIGHT);
        container.add(new EmptyBlock(30.0, 6.0));
        Size2D size = container.arrange(g2, constraint);
        assertEquals(60.0, size.width, EPSILON);
        assertEquals(6.0, size.height, EPSILON);

        container.clear();
        container.add(new EmptyBlock(10.0, 6.0), RectangleEdge.LEFT);
        container.add(new EmptyBlock(20.0, 6.0), RectangleEdge.RIGHT);
        container.add(new EmptyBlock(300.0, 6.0));
        size = container.arrange(g2, constraint);
        assertEquals(200.0, size.width, EPSILON);
        assertEquals(6.0, size.height, EPSILON);


    }
}