[khornicek] 65297: [USER32] - add ICO files support for PrivateExtractIcons(Ex) - fixes Juice and ICO files now show their icons in explorer CORE-4021

Author: khornicek
Date: Thu Nov  6 19:11:03 2014
New Revision: 65297

URL: http://svn.reactos.org/svn/reactos?rev=65297&view=rev
Log:
[USER32]
- add ICO files support for PrivateExtractIcons(Ex)
- fixes Juice and ICO files now show their icons in explorer
CORE-4021

Modified:
    trunk/reactos/win32ss/user/user32/misc/exticon.c

Modified: trunk/reactos/win32ss/user/user32/misc/exticon.c
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/win32ss/user/user32/misc/ex...
==============================================================================
--- trunk/reactos/win32ss/user/user32/misc/exticon.c	[iso-8859-1] (original)
+++ trunk/reactos/win32ss/user/user32/misc/exticon.c	[iso-8859-1] Thu Nov  6 19:11:03 2014
@@ -221,7 +221,7 @@
    LPBYTE		pData;
    DWORD		sig;
    HANDLE		hFile;
-	UINT16		iconDirCount = 0; //,iconCount = 0;
+	UINT16		iconDirCount = 0, iconCount = 0;
    LPBYTE		peimage;
    HANDLE		fmapping;
    DWORD		fsizeh,fsizel;
@@ -360,12 +360,48 @@
        }
      }
    }
+#else
+    if (sig == 1) /* .ICO file */
+    {
+        TRACE("-- icon Signature (0x%08x)\n", sig);
+
+        if (pData == (BYTE*)-1)
+        {
+            INT dataOffset;
+            LPICONIMAGE entry;
+            CURSORICONDIR *lpcid = (CURSORICONDIR*)peimage;
+            INT cx[2] = {cx1, cx2}, cy[2] = {cy1, cy2};
+            INT index;
+
+            if (lpcid->idType != 1)
+                return 0;
+
+            for(index = 0; index < 2; index++)
+            {
+                dataOffset = LookupIconIdFromDirectoryEx(peimage, TRUE, cx[index], cy[index], flags);
+
+                if (dataOffset)
+                {
+                    HICON icon;
+                    entry = (LPICONIMAGE)(peimage + dataOffset);
+                    icon = CreateIconFromResourceEx(peimage + dataOffset, entry->icHeader.biSizeImage, TRUE, 0x00030000, cx[index], cy[index], flags);
+
+                    if (icon)
+                    {
+                        RetPtr[index] = icon;
+                        iconCount = 1;
+                    }
+                }
+            }
+
+        }
+        ret = iconCount;	/* return number of retrieved icons */
+    }
+#endif
 /* end ico file */

/* exe/dll */
    else if( sig == IMAGE_NT_SIGNATURE )
-#endif
-	if( sig == IMAGE_NT_SIGNATURE )
    {
         BYTE *idata, *igdata;
         const IMAGE_RESOURCE_DIRECTORY *rootresdir, *iconresdir, *icongroupresdir;