added const postfix at Size2<>

inc/hgl/type/Size2.h

@@ -1,11 +1,11 @@
-#pragma once
+#pragma once
 
 #include<hgl/type/DataType.h>
 
 namespace hgl
 {
     /**
-    * <EFBFBD>ߴ<EFBFBD>ģ<EFBFBD><EFBFBD>
+    * 尺寸模板
     */
     template<typename T> struct Size2
     {
@@ -24,8 +24,8 @@ namespace hgl
             height=h;
         }
 
-        const bool isLandscape()const{return width>height;}                     ///<<EFBFBD>Ƿ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
-        const bool isPortrait()const{return width<height;}                      ///<<EFBFBD>Ƿ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
+        const bool isLandscape()const{return width>height;}                     ///<是否横的
+        const bool isPortrait()const{return width<height;}                      ///<是否竖的
 
         void Swap()
         {
@@ -34,7 +34,19 @@ namespace hgl
             height=t;
         }
 
-        Size2<T> Swapped(){return Size2<T>(height,width);}                      ///<<3C><>ȡһ<C8A1><D2BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ijߴ<C4B3>
+        Size2<T> Swapped()const{return Size2<T>(height,width);}                 ///<获取一个横竖交换的尺寸
+
+        const bool operator == (const Size2<T> &s) const
+        {
+            if(width!=s.width)return(false);
+            if(height!=s.height)return(false);
+            return(true);
+        }
+
+        const bool operator != (const Size2<T> &s) const
+        {
+            return !operator==(s);
+        }
     };//template<typename T> struct Size2
 
     using Size2i    =Size2<int>;