1 files changed, 90 insertions, 0 deletions
diff --git a/include/basegfx/raster/bzpixelraster.hxx b/include/basegfx/raster/bzpixelraster.hxx
new file mode 100644
index 000000000000..ddd4f1e56cb0
--- /dev/null
+++ b/include/basegfx/raster/bzpixelraster.hxx
@@ -0,0 +1,90 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#ifndef _BGFX_RASTER_BZPIXELRASTER_HXX
+#define _BGFX_RASTER_BZPIXELRASTER_HXX
+
+#include <basegfx/raster/bpixelraster.hxx>
+#include <basegfx/basegfxdllapi.h>
+
+//////////////////////////////////////////////////////////////////////////////
+// predeclarations
+
+//////////////////////////////////////////////////////////////////////////////
+
+namespace basegfx
+{
+    class BZPixelRaster : public BPixelRaster
+    {
+    protected:
+        // additionally, host a ZBuffer
+        sal_uInt16*                 mpZBuffer;
+
+    public:
+        // reset
+        void resetZ()
+        {
+            reset();
+            memset(mpZBuffer, 0, sizeof(sal_uInt16) * mnCount);
+        }
+
+        // constructor/destructor
+        BZPixelRaster(sal_uInt32 nWidth, sal_uInt32 nHeight)
+        :   BPixelRaster(nWidth, nHeight),
+            mpZBuffer(new sal_uInt16[mnCount])
+        {
+            memset(mpZBuffer, 0, sizeof(sal_uInt16) * mnCount);
+        }
+
+        ~BZPixelRaster()
+        {
+            delete [] mpZBuffer;
+        }
+
+        // data access read only
+        const sal_uInt16& getZ(sal_uInt32 nIndex) const
+        {
+#ifdef DBG_UTIL
+            if(nIndex >= mnCount)
+            {
+                OSL_FAIL("getZ: Access out of range (!)");
+                return mpZBuffer[0L];
+            }
+#endif
+            return mpZBuffer[nIndex];
+        }
+
+        // data access read/write
+        sal_uInt16& getZ(sal_uInt32 nIndex)
+        {
+#ifdef DBG_UTIL
+            if(nIndex >= mnCount)
+            {
+                OSL_FAIL("getZ: Access out of range (!)");
+                return mpZBuffer[0L];
+            }
+#endif
+            return mpZBuffer[nIndex];
+        }
+    };
+} // end of namespace basegfx
+
+#endif /* _BGFX_RASTER_BZPIXELRASTER_HXX */
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */