Example usage for java.awt.geom Line2D getBounds2D

Introduction

In this page you can find the example usage for java.awt.geom Line2D getBounds2D.

Prototype

public Rectangle2D getBounds2D();

Source Link

Document

Returns a high precision and more accurate bounding box of the Shape than the getBounds method.

Usage

From source file:org.pentaho.reporting.engine.classic.core.modules.parser.simple.readhandlers.LineReadHandler.java

private void createLineElementFromBounds(final float x1, final float y1, final float x2, final float y2,
        final Stroke stroke, final String name, final Color c, final Rectangle2D bounds) {
    if (x1 == x2) {
        // assume that we have a vertical line
        final VerticalLineElementFactory elementFactory = new VerticalLineElementFactory();
        elementFactory.setName(name);// w  ww  .j  a va2s.c  o m
        elementFactory.setColor(c);
        elementFactory.setStroke(stroke);
        elementFactory.setX(new Float(bounds.getX()));
        elementFactory.setY(new Float(bounds.getY()));
        elementFactory.setMinimumWidth(new Float(bounds.getWidth()));
        elementFactory.setMinimumHeight(new Float(bounds.getHeight()));
        elementFactory.setScale(Boolean.TRUE);
        elementFactory.setKeepAspectRatio(Boolean.FALSE);
        elementFactory.setShouldDraw(Boolean.TRUE);
        element = elementFactory.createElement();
    } else if (y1 == y2) {
        // assume that we have a horizontal line
        final HorizontalLineElementFactory elementFactory = new HorizontalLineElementFactory();
        elementFactory.setName(name);
        elementFactory.setColor(c);
        elementFactory.setStroke(stroke);
        elementFactory.setX(new Float(bounds.getX()));
        elementFactory.setY(new Float(bounds.getY()));
        elementFactory.setMinimumWidth(new Float(bounds.getWidth()));
        elementFactory.setMinimumHeight(new Float(bounds.getHeight()));
        elementFactory.setScale(Boolean.TRUE);
        elementFactory.setKeepAspectRatio(Boolean.FALSE);
        elementFactory.setShouldDraw(Boolean.TRUE);
        element = elementFactory.createElement();
    } else {
        // here comes the magic - we transform the line into the absolute space;
        // this should preserve the general appearance. Heck, and if not, then
        // it is part of the users reponsibility to resolve that. Magic does not
        // solve all problems, you know.
        final Line2D line = new Line2D.Float(Math.abs(x1), Math.abs(y1), Math.abs(x2), Math.abs(y2));
        final Rectangle2D shapeBounds = line.getBounds2D();
        final Shape transformedShape = ShapeTransform.translateShape(line, -shapeBounds.getX(),
                -shapeBounds.getY());
        // and use that shape with the user's bounds to create the element.
        final ContentElementFactory elementFactory = new ContentElementFactory();
        elementFactory.setName(name);
        elementFactory.setColor(c);
        elementFactory.setStroke(stroke);
        elementFactory.setX(new Float(shapeBounds.getX()));
        elementFactory.setY(new Float(shapeBounds.getY()));
        elementFactory.setMinimumWidth(new Float(shapeBounds.getWidth()));
        elementFactory.setMinimumHeight(new Float(shapeBounds.getHeight()));
        elementFactory.setContent(transformedShape);
        elementFactory.setScale(Boolean.TRUE);
        elementFactory.setKeepAspectRatio(Boolean.FALSE);
        elementFactory.setShouldDraw(Boolean.TRUE);
        element = elementFactory.createElement();
    }
}

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