1 files changed, 64 insertions, 0 deletions
diff --git a/src/gui/painting/qblittable.cpp b/src/gui/painting/qblittable.cpp
new file mode 100644
index 0000000000..0b2bd64147
--- /dev/null
+++ b/src/gui/painting/qblittable.cpp
@@ -0,0 +1,64 @@
+#include "qblittable_p.h"
+
+#ifndef QT_NO_BLITTABLE
+QT_BEGIN_NAMESPACE
+
+class QBlittablePrivate
+{
+public:
+    QBlittablePrivate(const QSize &size, QBlittable::Capabilities caps)
+        : caps(caps), m_size(size), locked(false), cachedImg(0)
+    {}
+    QBlittable::Capabilities caps;
+    QSize m_size;
+    bool locked;
+    QImage *cachedImg;
+};
+
+
+QBlittable::QBlittable(const QSize &size, Capabilities caps)
+    : d_ptr(new QBlittablePrivate(size,caps))
+{
+}
+
+QBlittable::~QBlittable()
+{
+    delete d_ptr;
+}
+
+
+QBlittable::Capabilities QBlittable::capabilities() const
+{
+    Q_D(const QBlittable);
+    return d->caps;
+}
+
+QSize QBlittable::size() const
+{
+    Q_D(const QBlittable);
+    return d->m_size;
+}
+
+QImage *QBlittable::lock()
+{
+    Q_D(QBlittable);
+    if (!d->locked) {
+        d->cachedImg = doLock();
+        d->locked = true;
+    }
+
+    return d->cachedImg;
+}
+
+void QBlittable::unlock()
+{
+    Q_D(QBlittable);
+    if (d->locked) {
+        doUnlock();
+        d->locked = false;
+    }
+}
+
+QT_END_NAMESPACE
+#endif //QT_NO_BLITTABLE
+