diff --git a/include/nana/gui/widgets/picture.hpp b/include/nana/gui/widgets/picture.hpp
index 33c67552..f4ba4f22 100644
--- a/include/nana/gui/widgets/picture.hpp
+++ b/include/nana/gui/widgets/picture.hpp
@@ -34,7 +34,7 @@ namespace nana
 				void attached(widget_reference, graph_reference)	override;
 			private:
 				void refresh(graph_reference)	override;
-				void _m_draw_background();
+				void _m_draw_background(unsigned,unsigned);
 			private:
 				implement * const impl_;
 			};
diff --git a/include/nana/paint/image.hpp b/include/nana/paint/image.hpp
index d8200293..b335a4fe 100644
--- a/include/nana/paint/image.hpp
+++ b/include/nana/paint/image.hpp
@@ -1,6 +1,7 @@
 /*
  *	Paint Image Implementation
- *	Copyright(C) 2003-2013 Jinhao(cnjinhao@hotmail.com)
+ *	Nana C++ Library(http://www.nanapro.org)
+ *	Copyright(C) 2003-2015 Jinhao(cnjinhao@hotmail.com)
  *
  *	Distributed under the Boost Software License, Version 1.0. 
  *	(See accompanying file LICENSE_1_0.txt or copy at 
@@ -39,6 +40,8 @@ namespace paint
 		bool empty() const;
 		operator unspecified_bool_t() const;
 		void close();
+
+		bool alpha() const;
 		nana::size size() const;
 		void paste(graphics& dst, int x, int y) const;
 		void paste(const nana::rectangle& r_src, graphics& dst, const point& p_dst) const;///< Paste the area of picture specified by r_src into the destination graphics specified by dst at position p_dst.
diff --git a/source/gui/widgets/picture.cpp b/source/gui/widgets/picture.cpp
index b9912cc7..db067155 100644
--- a/source/gui/widgets/picture.cpp
+++ b/source/gui/widgets/picture.cpp
@@ -109,8 +109,7 @@ namespace nana
 							}
 						}
 
-						if (fit_size.width < graphsize.width || fit_size.height < graphsize.height)
-							_m_draw_background();
+						_m_draw_background(fit_size.width, fit_size.height);
 
 						backimg.image.stretch(valid_area, graph, { pos, fit_size });
 					}
@@ -141,14 +140,15 @@ namespace nana
 							break;
 						}
 
-						if (valid_area.width < graphsize.width || valid_area.height < graphsize.height)
-							_m_draw_background();
+						_m_draw_background(valid_area.width, valid_area.height);
 
 						backimg.image.paste(valid_area, graph, pos);
 					}
 				}
 				else
 				{
+					_m_draw_background(graphsize.width, graphsize.height);
+
 					color invalid_clr_for_call;
 					backimg.bground->draw(graph, invalid_clr_for_call, invalid_clr_for_call, graphsize, element_state::normal);
 				}
@@ -156,18 +156,22 @@ namespace nana
 				graph.setsta();
 			}
 
-			void drawer::_m_draw_background()
+			void drawer::_m_draw_background(unsigned w, unsigned h)
 			{
 				auto graph = impl_->graph_ptr;
+
 				if (graph && (bground_mode::basic != API::effects_bground_mode(*impl_->wdg_ptr)))
 				{
-					auto & bground = impl_->gradual_bground;
-					if (bground.gradual_from.invisible() || bground.gradual_to.invisible())
-						graph->rectangle(true, impl_->wdg_ptr->bgcolor());
-					else if (bground.gradual_from == bground.gradual_to)
-						graph->rectangle(true, bground.gradual_from);
-					else
-						graph->gradual_rectangle(graph->size(), bground.gradual_from, bground.gradual_to, !bground.horizontal);
+					if (w < graph->size().width || h < graph->size().width || impl_->backimg.image.alpha())
+					{
+						auto & bground = impl_->gradual_bground;
+						if (bground.gradual_from.invisible() || bground.gradual_to.invisible())
+							graph->rectangle(true, impl_->wdg_ptr->bgcolor());
+						else if (bground.gradual_from == bground.gradual_to)
+							graph->rectangle(true, bground.gradual_from);
+						else
+							graph->gradual_rectangle(graph->size(), bground.gradual_from, bground.gradual_to, !bground.horizontal);
+					}
 				}
 			}
 			//end class drawer
diff --git a/source/paint/image.cpp b/source/paint/image.cpp
index ec471d6a..a6fcd598 100644
--- 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());