Disable the page selector when there's only one page

[inkscape.git] / src / libnr / nr-rect.cpp

diff --git a/src/libnr/nr-rect.cpp b/src/libnr/nr-rect.cpp
index 848d9b4f9900689b79ff86c39707d7090122d18d..72bced37bb048ca9337d8c03658710f412c2dd81 100644 (file)
--- a/src/libnr/nr-rect.cpp
+++ b/src/libnr/nr-rect.cpp
@@ -244,7 +244,8 @@ namespace NR {
 
 Rect::Rect(const Point &p0, const Point &p1)
 : _min(std::min(p0[X], p1[X]), std::min(p0[Y], p1[Y])),
-  _max(std::max(p0[X], p1[X]), std::max(p0[Y], p1[Y])) {}
+  _max(std::max(p0[X], p1[X]), std::max(p0[Y], p1[Y]))
+{}
 
 /** returns the four corners of the rectangle in the correct winding order */
 Point Rect::corner(unsigned i) const {
@@ -284,8 +285,18 @@ void Rect::expandTo(Point p) {
        }
 }
 
+void Rect::growBy(double size) {
+  for ( unsigned d = 0 ; d < 2 ; d++ ) {
+    _min[d] -= size;
+    _max[d] += size;
+    if ( _min[d] > _max[d] ) {
+      _min[d] = _max[d] = ( _min[d] + _max[d] ) / 2;
+    }
+  }
+} 
+
 /** Returns the set of points shared by both rectangles. */
-Maybe<Rect> intersection(Maybe<Rect const &> a, Maybe<Rect const &> b) {
+Maybe<Rect> intersection(Maybe<Rect> const & a, Maybe<Rect> const & b) {
     if ( !a || !b ) {
         return Nothing();
     } else {