Merge branch 'master' of git://scm.dev.nokia.troll.no/qt/qt-symbian-team

* 'master' of git://scm.dev.nokia.troll.no/qt/qt-symbian-team: (103 commits)
  Fix non-ascii name issues in ICD.
  Compile fix for Symbian 5th and earlier
  Improve documentation for QDeclarativeView::setSource()
  fix copying webkit guide under windows
  Symbian: Fix backspace on empty lines of multiline textedits
  Handle CloseSoftwareInputPanel event in QCoeFepInputContext
  uikit: Fixes for Open GL ES 1 and for pre-3GS devices
  uikit: Fix warning.
  Use thumb instructions for uikit
  Fix compilation with thumb2.
  Update uikit README: svg works, warn about thumb
  Fix delayed password masking mid-string.
  Disabled splitscreen translation still moves screen
  Fix bidi reordering of RTL text with embedded images
  Doc: Fixed qdoc warnings.
  don't crash when destroying codec list
  Fixed infinite loop when loading certain SVGs.
  Fix a crash in a11y introduced by d289e54f2d2aa066cb3
  Doc: Fixed qdoc warnings.
  test: Fix `tst_qfiledialog' in a namespaced build
  ...

1 files changed, 13 insertions, 2 deletions

diff --git a/src/3rdparty/libpng/example.c b/src/3rdparty/libpng/example.c
index cd3682f..c0d27f4 100644
--- a/src/3rdparty/libpng/example.c
+++ b/src/3rdparty/libpng/example.c
@@ -2,7 +2,7 @@
 #if 0 /* in case someone actually tries to compile this */
 
 /* example.c - an example of using libpng
- * Last changed in libpng 1.5.0 [January 6, 2011]
+ * Last changed in libpng 1.5.4 [July 7, 2011]
  * This file has been placed in the public domain by the authors.
  * Maintained 1998-2011 Glenn Randers-Pehrson
  * Maintained 1996, 1997 Andreas Dilger)
@@ -22,6 +22,10 @@
  * see also the programs in the contrib directory.
  */
 
+#define _POSIX_SOURCE 1  /* libpng and zlib are POSIX-compliant.  You may
+                          * change this if your application uses non-POSIX
+                          * extensions. */
+
 #include "png.h"
 
  /* The png_jmpbuf() macro, used in error handling, became available in
@@ -183,8 +187,15 @@ void read_png(FILE *fp, unsigned int sig_read)  /* File is already open */
     * are mutually exclusive.
     */
 
-   /* Tell libpng to strip 16 bit/color files down to 8 bits/color */
+   /* Tell libpng to strip 16 bit/color files down to 8 bits/color.
+    * Use accurate scaling if it's available, otherwise just chop off the
+    * low byte.
+    */
+#ifdef PNG_READ_SCALE_16_TO_8_SUPPORTED
+    png_set_scale_16(png_ptr);
+#else
    png_set_strip_16(png_ptr);
+#endif
 
    /* Strip alpha bytes from the input data without combining with the
     * background (not recommended).