fix picture widget transparent image issue

2015-03-04 03:28:12 +08:00
parent 70dabd9687
commit ce98ffa7b1
4 changed files with 26 additions and 14 deletions
--- a/source/paint/image.cpp
+++ b/source/paint/image.cpp
@@ -250,6 +250,11 @@ namespace paint
 			image_ptr_.reset();
 		}

+		bool image::alpha() const
+		{
+			return (image_ptr_ ? image_ptr_->alpha_channel() : false);
+		}
+
 		nana::size image::size() const
 		{
 			return (image_ptr_ ? image_ptr_->size() : nana::size());