*增加guide line

1 files changed, 3 insertions, 1 deletions

diff --git a/src/libjin/Graphics/je_bitmap.h b/src/libjin/Graphics/je_bitmap.h
index ae97d0d..8f0c30d 100644
--- a/src/libjin/Graphics/je_bitmap.h
+++ b/src/libjin/Graphics/je_bitmap.h
@@ -17,7 +17,9 @@ namespace JinEngine
         /// 
         /// A RGBA32 bitmap.
         /// 
-        /// A bitmap keeps pixels and can't draw directly onto screen. To render bitmap, a texture is required.
+        /// A bitmap keeps pixels and can't draw directly onto screen. To render bitmap, a texture is required. A
+        /// texture is a renderable hard ware side structure which could be handled with GPU. For instance, opengl
+        /// create texture and store it in GPU memory for rendering them onto hdc.
         /// 
 		class Bitmap
 		{