Method transform

fop-core/src/main/java/org/apache/fop/area/CTM.java:230–251

Transform a rectangle by the CTM to produce a rectangle in the transformed coordinate system. @param inRect The rectangle in the original coordinate system @return Rectangle2D The rectangle in the transformed coordinate system.

(Rectangle2D inRect)

     * @return Rectangle2D The rectangle in the transformed coordinate system.
     */
    public Rectangle2D transform(Rectangle2D inRect) {
        // Store as 2 sets of 2 points and transform those, then
        // recalculate the width and height
        int x1t = (int)(inRect.getX() * a + inRect.getY() * c + e);
        int y1t = (int)(inRect.getX() * b + inRect.getY() * d + f);
        int x2t = (int)((inRect.getX() + inRect.getWidth()) * a
                        + (inRect.getY() + inRect.getHeight()) * c + e);
        int y2t = (int)((inRect.getX() + inRect.getWidth()) * b
                        + (inRect.getY() + inRect.getHeight()) * d + f);
        // Normalize with x1 < x2
        if (x1t > x2t) {
            int tmp = x2t;
            x2t = x1t;
            x1t = tmp;
        }
        if (y1t > y2t) {
            int tmp = y2t;
            y2t = y1t;
            y1t = tmp;
        }
        return new Rectangle(x1t, y1t, x2t - x1t, y2t - y1t);
    }

    /**
     * Get string for this transform.