2011-12-27 21:18:07 +00:00
commit 9f98ea7e22
192 changed files with 77747 additions and 0 deletions
@@ -0,0 +1,81 @@
+// File: crn_rect.h
+// See Copyright Notice and license at the end of inc/crnlib.h
+#pragma once
+#include "crn_vec.h"
+#include "crn_hash.h"
+
+namespace crnlib
+{
+   class rect
+   {
+   public:
+      inline rect()
+      {
+      }
+      
+      inline rect(eClear)
+      {
+         clear();
+      }
+            
+      inline rect(int left, int top, int right, int bottom)
+      {
+         set(left, top, right, bottom);
+      }
+      
+      inline rect(const vec2I& lo, const vec2I& hi)
+      {
+         m_corner[0] = lo;
+         m_corner[1] = hi;
+      }
+      
+      inline rect(const vec2I& point)
+      {
+         m_corner[0] = point;
+         m_corner[1].set(point[0] + 1, point[1] + 1);
+      }
+      
+      inline void clear()
+      {
+         m_corner[0].clear();
+         m_corner[1].clear();  
+      }
+      
+      inline void set(int left, int top, int right, int bottom)
+      {
+         m_corner[0].set(left, top);
+         m_corner[1].set(right, bottom);
+      }
+
+      inline void set(const vec2I& lo, const vec2I& hi)
+      {
+         m_corner[0] = lo;
+         m_corner[1] = hi;
+      }
+      
+      inline void set(const vec2I& point)
+      {
+         m_corner[0] = point;
+         m_corner[1].set(point[0] + 1, point[1] + 1);
+      }
+      
+      inline uint get_width() const { return m_corner[1][0] - m_corner[0][0]; }
+      inline uint get_height() const { return m_corner[1][1] - m_corner[0][1]; }
+            
+      inline int get_left() const { return m_corner[0][0]; }
+      inline int get_top() const { return m_corner[0][1]; }
+      inline int get_right() const { return m_corner[1][0]; }
+      inline int get_bottom() const { return m_corner[1][1]; }
+      
+      inline bool is_empty() const { return (m_corner[1][0] <= m_corner[0][0]) || (m_corner[1][1] <= m_corner[0][1]); }
+      
+      inline uint get_dimension(uint axis) const { return m_corner[1][axis] - m_corner[0][axis]; }
+      
+      inline const vec2I& operator[] (uint i) const { CRNLIB_ASSERT(i < 2); return m_corner[i]; }
+      inline       vec2I& operator[] (uint i)       { CRNLIB_ASSERT(i < 2); return m_corner[i]; }
+
+   private:
+      vec2I m_corner[2];
+   };
+   
+} // namespace crnlib