Merge branch '4.7' of scm.dev.nokia.troll.no:qt/oslo-staging-1 into 4.7-integration

* '4.7' of scm.dev.nokia.troll.no:qt/oslo-staging-1:
  doc: Added more DITA output to the XML generator
  Defer allocation of GIF decoding tables/stack.
  Make sure only started gestures can cause cancellations
  Updated JavaScriptCore from /home/khansen/dev/qtwebkit-qtscript-integration to javascriptcore-snapshot-16062010 ( 8b2d3443afca194f8ac50a63151dc9d19a150582 )
  qmake: Fix CONFIG += exceptions_off with the MSVC project generator.
  Fix some kind of race condition while using remote commands.
  Work around ICE in Intel C++ Compiler 11.1.072
  Reduce the memory consumption of QtFontStyle

1 files changed, 12 insertions, 2 deletions

diff --git a/src/plugins/imageformats/gif/qgifhandler.cpp b/src/plugins/imageformats/gif/qgifhandler.cpp
index 591e40b..129a11b 100644
--- a/src/plugins/imageformats/gif/qgifhandler.cpp
+++ b/src/plugins/imageformats/gif/qgifhandler.cpp
@@ -132,8 +132,8 @@ private:
 
     int code_size, clear_code, end_code, max_code_size, max_code;
     int firstcode, oldcode, incode;
-    short table[2][1<< max_lzw_bits];
-    short stack[(1<<(max_lzw_bits))*2];
+    short* table[2];
+    short* stack;
     short *sp;
     bool needfirst;
     int x, y;
@@ -162,6 +162,9 @@ QGIFFormat::QGIFFormat()
     lcmap = false;
     newFrame = false;
     partialNewFrame = false;
+    table[0] = 0;
+    table[1] = 0;
+    stack = 0;
 }
 
 /*!
@@ -171,6 +174,7 @@ QGIFFormat::~QGIFFormat()
 {
     if (globalcmap) delete[] globalcmap;
     if (localcmap) delete[] localcmap;
+    delete [] stack;
 }
 
 void QGIFFormat::disposePrevious(QImage *image)
@@ -237,6 +241,12 @@ int QGIFFormat::decode(QImage *image, const uchar *buffer, int length,
     //    CompuServe Incorporated. GIF(sm) is a Service Mark property of
     //    CompuServe Incorporated."
 
+    if (!stack) {
+        stack = new short[(1 << max_lzw_bits) * 4];
+        table[0] = &stack[(1 << max_lzw_bits) * 2];
+        table[1] = &stack[(1 << max_lzw_bits) * 3];
+    }
+
     image->detach();
     int bpl = image->bytesPerLine();
     unsigned char *bits = image->bits();