1 files changed, 99 insertions, 0 deletions
diff --git a/basegfx/inc/basegfx/raster/bzpixelraster.hxx b/basegfx/inc/basegfx/raster/bzpixelraster.hxx
new file mode 100644
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+++ b/basegfx/inc/basegfx/raster/bzpixelraster.hxx
@@ -0,0 +1,99 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*************************************************************************
+ *
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * Copyright 2000, 2010 Oracle and/or its affiliates.
+ *
+ * OpenOffice.org - a multi-platform office productivity suite
+ *
+ * This file is part of OpenOffice.org.
+ *
+ * OpenOffice.org is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License version 3
+ * only, as published by the Free Software Foundation.
+ *
+ * OpenOffice.org is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License version 3 for more details
+ * (a copy is included in the LICENSE file that accompanied this code).
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * version 3 along with OpenOffice.org.  If not, see
+ * <http://www.openoffice.org/license.html>
+ * for a copy of the LGPLv3 License.
+ *
+ ************************************************************************/
+
+#ifndef _BGFX_RASTER_BZPIXELRASTER_HXX
+#define _BGFX_RASTER_BZPIXELRASTER_HXX
+
+#include <basegfx/raster/bpixelraster.hxx>
+#include <rtl/memory.h>
+
+//////////////////////////////////////////////////////////////////////////////
+// predeclarations
+
+//////////////////////////////////////////////////////////////////////////////
+
+namespace basegfx
+{
+    class BZPixelRaster : public BPixelRaster
+    {
+    protected:
+        // additionally, host a ZBuffer
+        sal_uInt16*                 mpZBuffer;
+
+    public:
+        // reset
+        void resetZ()
+        {
+            reset();
+            rtl_zeroMemory(mpZBuffer, sizeof(sal_uInt16) * mnCount);
+        }
+
+        // constructor/destructor
+        BZPixelRaster(sal_uInt32 nWidth, sal_uInt32 nHeight)
+        :   BPixelRaster(nWidth, nHeight),
+            mpZBuffer(new sal_uInt16[mnCount])
+        {
+            rtl_zeroMemory(mpZBuffer, 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: */