1 files changed, 7 insertions, 0 deletions
diff --git a/src/gui/painting/qdatabuffer_p.h b/src/gui/painting/qdatabuffer_p.h
index a7834ea..bc5f1ef 100644
--- a/src/gui/painting/qdatabuffer_p.h
+++ b/src/gui/painting/qdatabuffer_p.h
@@ -81,7 +81,9 @@ public:
 
     inline Type &at(int i) { Q_ASSERT(i >= 0 && i < siz); return buffer[i]; }
     inline const Type &at(int i) const { Q_ASSERT(i >= 0 && i < siz); return buffer[i]; }
+    inline Type &last() { Q_ASSERT(!isEmpty()); return buffer[siz-1]; }
     inline const Type &last() const { Q_ASSERT(!isEmpty()); return buffer[siz-1]; }
+    inline Type &first() { Q_ASSERT(!isEmpty()); return buffer[0]; }
     inline const Type &first() const { Q_ASSERT(!isEmpty()); return buffer[0]; }
 
     inline void add(const Type &t) {
@@ -90,6 +92,11 @@ public:
         ++siz;
     }
 
+    inline void pop_back() {
+        Q_ASSERT(siz > 0);
+        --siz;
+    }
+
     inline void resize(int size) {
         reserve(size);
         siz = size;