core: empty() for Rect/Size templates
authorAlexander Alekhin <alexander.alekhin@intel.com>
Tue, 1 Aug 2017 14:19:18 +0000 (17:19 +0300)
committerAlexander Alekhin <alexander.alekhin@intel.com>
Tue, 1 Aug 2017 14:19:18 +0000 (17:19 +0300)
commit321c0ec533184db305828bca5a6450c8948a770f
tree1142698148f172d41fe7d14a5596476a3b5c5218
parent4ad45af53f4f72f8b6f3df9653d9cb0a63a35a9d
core: empty() for Rect/Size templates

Check for empty objects via .area() is not a good practice due overflows
modules/core/include/opencv2/core/types.hpp
modules/core/misc/java/src/java/core+Rect.java
modules/core/misc/java/src/java/core+Rect2d.java
modules/core/misc/java/src/java/core+Size.java