File png2ico-boost.patch of Package png2ico

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File png2ico-boost.patch of Package png2ico

--- png2ico/png2ico.cpp	2002-12-07 23:37:58.000000000 +0100
+++ png2ico/png2ico.cpp	2013-05-05 23:02:14.072440147 +0200
@@ -36,19 +36,15 @@
 #include <vector>
 #include <climits>
 
-#if __GNUC__ > 2
-#include <ext/hash_map>
-#else
-#include <hash_map>
-#endif
+#include <boost/unordered_map.hpp>
+#include <string.h>
 
 #include <png.h>
 
 #include "VERSION"
 
 using namespace std;
-namespace __gnu_cxx{};
-using namespace __gnu_cxx;
+using namespace boost;
 
 const int word_max=65535;
 const int transparency_threshold=196;
@@ -146,7 +142,7 @@
   //if an alpha channel is present, set all transparent pixels to RGBA (0,0,0,0)
   //transparent pixels will already be mapped to palette entry 0, non-transparent
   //pixels will not get a mapping yet (-1)
-  hash_map<unsigned int,signed int> mapQuadToPalEntry;
+  unordered_map<unsigned int,signed int> mapQuadToPalEntry;
   png_bytep* row_pointers=png_get_rows(img.png_ptr, img.info_ptr);
   
   for (int y=img.height-1; y>=0; --y)
@@ -209,11 +205,11 @@
     unsigned int mostDifferentQuad=0;
     int mdqMinDist=-1; //smallest distance to an entry in the palette for mostDifferentQuad
     int mdqDistSum=-1; //sum over all distances to palette entries for mostDifferentQuad
-    hash_map<unsigned int,signed int>::iterator stop=mapQuadToPalEntry.end();
-    hash_map<unsigned int,signed int>::iterator iter=mapQuadToPalEntry.begin();
+    unordered_map<unsigned int,signed int>::iterator stop=mapQuadToPalEntry.end();
+    unordered_map<unsigned int,signed int>::iterator iter=mapQuadToPalEntry.begin();
     while(iter!=stop)
     {
-      hash_map<unsigned int,signed int>::value_type& mapping=*iter++;
+      unordered_map<unsigned int,signed int>::value_type& mapping=*iter++;
       if (mapping.second<0)
       {
         unsigned int quad=mapping.first;
@@ -256,11 +252,11 @@
   };
 
   //Now map all yet unmapped colors to the most appropriate palette entry
-  hash_map<unsigned int,signed int>::iterator stop=mapQuadToPalEntry.end();
-  hash_map<unsigned int,signed int>::iterator iter=mapQuadToPalEntry.begin();
+  unordered_map<unsigned int,signed int>::iterator stop=mapQuadToPalEntry.end();
+  unordered_map<unsigned int,signed int>::iterator iter=mapQuadToPalEntry.begin();
   while(iter!=stop)
   {
-    hash_map<unsigned int,signed int>::value_type& mapping=*iter++;
+    unordered_map<unsigned int,signed int>::value_type& mapping=*iter++;
     if (mapping.second<0)
     {
       unsigned int quad=mapping.first;
@@ -292,11 +288,11 @@
     int green=0;
     int blue=0;
     int numMappings=0;
-    hash_map<unsigned int,signed int>::iterator stop=mapQuadToPalEntry.end();
-    hash_map<unsigned int,signed int>::iterator iter=mapQuadToPalEntry.begin();
+    unordered_map<unsigned int,signed int>::iterator stop=mapQuadToPalEntry.end();
+    unordered_map<unsigned int,signed int>::iterator iter=mapQuadToPalEntry.begin();
     while(iter!=stop)
     {
-      hash_map<unsigned int,signed int>::value_type& mapping=*iter++;
+      unordered_map<unsigned int,signed int>::value_type& mapping=*iter++;
       if (mapping.second==i)
       {
         unsigned int quad=mapping.first;
@@ -322,7 +318,7 @@
   iter=mapQuadToPalEntry.begin();
   while(iter!=stop)
   {
-    hash_map<unsigned int,signed int>::value_type& mapping=*iter++;
+    unordered_map<unsigned int,signed int>::value_type& mapping=*iter++;
     unsigned int quad=mapping.first;
     if ((quad>>24)!=0) //if color is not transparent
     {

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