--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/egl/sfopenvg/riArray.h Wed May 12 11:20:41 2010 +0100
@@ -0,0 +1,211 @@
+#ifndef __RIARRAY_H
+#define __RIARRAY_H
+
+/*------------------------------------------------------------------------
+ *
+ * OpenVG 1.1 Reference Implementation
+ * -----------------------------------
+ *
+ * Copyright (c) 2007 The Khronos Group Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and /or associated documentation files
+ * (the "Materials "), to deal in the Materials without restriction,
+ * including without limitation the rights to use, copy, modify, merge,
+ * publish, distribute, sublicense, and/or sell copies of the Materials,
+ * and to permit persons to whom the Materials are furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Materials.
+ *
+ * THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+ * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE MATERIALS OR
+ * THE USE OR OTHER DEALINGS IN THE MATERIALS.
+ *
+ *//**
+ * \file
+ * \brief Array class.
+ * \note
+ *//*-------------------------------------------------------------------*/
+
+#ifndef __RIDEFS_H
+#include "riDefs.h"
+#endif
+
+#include <string.h> //for memcpy
+
+namespace OpenVGRI
+{
+
+//=======================================================================
+
+/*-------------------------------------------------------------------*//*!
+* \brief An array class similar to std::vector.
+* \param
+* \return
+* \note Follows std::vector's naming convention (except resizeAndReallocate).
+*//*-------------------------------------------------------------------*/
+
+template <class Item> class Array
+{
+public:
+ Array() : m_array(NULL), m_size(0), m_allocated(0) {} //throws bad_alloc
+ ~Array()
+ {
+ RI_DELETE_ARRAY(m_array);
+ }
+
+ void swap(Array& s)
+ {
+ Item* tarray = m_array;
+ m_array = s.m_array;
+ s.m_array = tarray;
+
+ int tsize = m_size;
+ m_size = s.m_size;
+ s.m_size = tsize;
+
+ int tallocated = m_allocated;
+ m_allocated = s.m_allocated;
+ s.m_allocated = tallocated;
+ }
+
+ //if more room is needed, reallocate, otherwise return
+ void reserve( int items ) //throws bad_alloc
+ {
+ RI_ASSERT( items >= 0 );
+ if( items <= m_allocated )
+ return; //if there is room already, return
+
+ RI_ASSERT( items > m_allocated );
+
+ Item* newa = RI_NEW_ARRAY(Item, items); //throws bad_alloc if runs out of memory
+ for(int i=0;i<m_size;i++)
+ newa[i] = m_array[i];
+ RI_DELETE_ARRAY(m_array);
+ m_array = newa;
+ m_allocated = items;
+ //doesn't change size
+ }
+
+ //reserve and change size
+ void resize( int items ) //throws bad_alloc
+ {
+ reserve( items ); //throws bad_alloc if runs out of memory
+ m_size = items;
+ }
+
+ //resize and allocate exactly the correct amount of memory
+ void resizeAndReallocate( int items ) //throws bad_alloc
+ {
+ RI_ASSERT( items >= 0 );
+ if( items == m_allocated )
+ {
+ m_size = items;
+ return;
+ }
+
+ if( items == 0 )
+ {
+ RI_DELETE_ARRAY(m_array);
+ m_size = 0;
+ m_allocated = 0;
+ return;
+ }
+
+ Item* newa = RI_NEW_ARRAY(Item, items); //throws bad_alloc if runs out of memory
+ int copySize = (m_size < items) ? m_size : items; //min(m_size,items)
+ for(int i=0;i<copySize;i++)
+ newa[i] = m_array[i];
+ RI_DELETE_ARRAY(m_array);
+ m_array = newa;
+ m_allocated = items;
+ m_size = items; //changes also size
+ }
+ void clear()
+ {
+ m_size = 0;
+ }
+
+ //sort array (needs operator< defined for Item. Define it with < for increasing order and > for decreasing.)
+ void sort()
+ {
+ if(m_size <= 1)
+ return;
+ quicksort(0, m_size - 1);
+ }
+
+ //remove the first occurrence of an item from the array
+ bool remove(const Item& item)
+ {
+ int i=0;
+ for(;i<m_size;i++)
+ {
+ if(m_array[i] == item)
+ break;
+ }
+ if(i >= m_size)
+ return false; //not found
+ for(;i<m_size-1;i++)
+ {
+ m_array[i] = m_array[i+1];
+ }
+ m_size--;
+ return true;
+ }
+
+ RI_INLINE void push_back( const Item& item ) //throws bad_alloc
+ {
+ if( m_size >= m_allocated )
+ reserve( (!m_allocated) ? 8 : m_allocated * 2 ); //by default, reserve 8. throws bad_alloc if runs out of memory
+ m_array[m_size++] = item;
+ }
+ RI_INLINE int size() const { return m_size; }
+ RI_INLINE Item& operator[](int i) { RI_ASSERT(i >= 0 && i < m_size); return m_array[i]; }
+ RI_INLINE const Item& operator[](int i) const { RI_ASSERT(i >= 0 && i < m_size); return m_array[i]; }
+
+private:
+ Array(const Array& s); //!< Not allowed.
+ void operator=(const Array& s); //!< Not allowed.
+
+ void quicksort(int left, int right)
+ {
+ int i = left, j = right;
+ Item x = m_array[(left+right)>>1];
+
+ do
+ {
+ while (m_array[i] < x)
+ i++;
+ while (x < m_array[j])
+ j--;
+ if (i<=j)
+ {
+ Item tmp = m_array[i];
+ m_array[i] = m_array[j];
+ m_array[j] = tmp;
+ i++;
+ j--;
+ }
+ } while (i<=j);
+
+ if(left < j) quicksort(left, j);
+ if(i < right) quicksort(i, right);
+ }
+
+
+ Item* m_array;
+ int m_size;
+ int m_allocated;
+};
+
+//=======================================================================
+
+} //namespace OpenVGRI
+
+#endif /* __RIARRAY_H */