git-svn-id: https://svn.apache.org/repos/asf/xmlgraphics/fop/branches/FOP_0-20-0_Alt-Design@197817 13f79535-47bb-0310-9956-ffa450edef68
Changed Rectangle2D area to space, added Rectangle2Ds border, padding and content to Area. Made content the reference for IPD and BPD calculations. git-svn-id: https://svn.apache.org/repos/asf/xmlgraphics/fop/branches/FOP_0-20-0_Alt-Design@197680 13f79535-47bb-0310-9956-ffa450edef68
git-svn-id: https://svn.apache.org/repos/asf/xmlgraphics/fop/branches/FOP_0-20-0_Alt-Design@197561 13f79535-47bb-0310-9956-ffa450edef68
Modified Viewport and ReferenceArea classes to handle appropriate functions. Constructor modifications to match superclasses. Some synchronization of unsynchronized methods. git-svn-id: https://svn.apache.org/repos/asf/xmlgraphics/fop/branches/FOP_0-20-0_Alt-Design@197396 13f79535-47bb-0310-9956-ffa450edef68
git-svn-id: https://svn.apache.org/repos/asf/xmlgraphics/fop/branches/FOP_0-20-0_Alt-Design@197363 13f79535-47bb-0310-9956-ffa450edef68