X-Git-Url: https://git.tokkee.org/?a=blobdiff_plain;f=src%2Flibnr%2Fnr-rect.h;h=46aff13f4fa938212f39df8654abeaacd1cdcaf5;hb=1c2557cd7259a8166f07b7982a44e040a44d4db1;hp=1062df955b132d9142a60f6f14eecb18ab5595e9;hpb=3e54f202d25d5b42a058f4b6e39f3958979b6766;p=inkscape.git

diff --git a/src/libnr/nr-rect.h b/src/libnr/nr-rect.h
index 1062df955..46aff13f4 100644
--- a/src/libnr/nr-rect.h
+++ b/src/libnr/nr-rect.h
@@ -53,6 +53,7 @@ public:
     /** returns the midpoint of this rect. */
     Point midpoint() const;
 
+    /** True iff either width or height is less than \a epsilon. */
     bool isEmpty(double epsilon=1e-6) const {
         return isEmpty<X>(epsilon) || isEmpty<Y>(epsilon);
     }
@@ -125,6 +126,8 @@ public:
         _max[NR::Y] += by;
     }
 
+    void growBy (gdouble by);
+
     /** Scales the rect by s, with origin at 0, 0 */
     inline Rect operator*(double const s) const {
         return Rect(s * min(), s * max());
@@ -262,6 +265,7 @@ struct NRRect {
 #define nr_rect_d_set_empty(r) (*(r) = NR_RECT_EMPTY)
 #define nr_rect_l_set_empty(r) (*(r) = NR_RECT_L_EMPTY)
 
+/** "Empty" here includes the case of zero width or zero height. */
 #define nr_rect_d_test_empty(r) ((r) && NR_RECT_DFLS_TEST_EMPTY(r))
 #define nr_rect_l_test_empty(r) ((r) && NR_RECT_DFLS_TEST_EMPTY(r))