summaryrefslogtreecommitdiffstats
path: root/include/basegfx/raster/bzpixelraster.hxx
diff options
context:
space:
mode:
Diffstat (limited to '')
-rw-r--r--include/basegfx/raster/bzpixelraster.hxx91
1 files changed, 91 insertions, 0 deletions
diff --git a/include/basegfx/raster/bzpixelraster.hxx b/include/basegfx/raster/bzpixelraster.hxx
new file mode 100644
index 000000000..52ebc3c6e
--- /dev/null
+++ b/include/basegfx/raster/bzpixelraster.hxx
@@ -0,0 +1,91 @@
+/* -*- 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 .
+ */
+
+#pragma once
+
+#include <basegfx/pixel/bpixel.hxx>
+#include <sal/types.h>
+#include <memory>
+#include <cassert>
+#include <string.h>
+
+namespace basegfx
+{
+ class BZPixelRaster
+ {
+ private:
+ BZPixelRaster(const BZPixelRaster&) = delete;
+ BZPixelRaster& operator=(const BZPixelRaster&) = delete;
+
+ sal_uInt32 mnWidth;
+ sal_uInt32 mnHeight;
+ sal_uInt32 mnCount;
+ std::unique_ptr<BPixel[]> mpContent;
+ std::unique_ptr<sal_uInt16[]> mpZBuffer;
+
+ public:
+ // constructor/destructor
+ BZPixelRaster(sal_uInt32 nWidth, sal_uInt32 nHeight)
+ : mnWidth(nWidth),
+ mnHeight(nHeight),
+ mnCount(nWidth * nHeight),
+ mpContent(new BPixel[mnCount]),
+ mpZBuffer(new sal_uInt16[mnCount])
+ {
+ memset(mpZBuffer.get(), 0, sizeof(sal_uInt16) * mnCount);
+ }
+
+ // coordinate calcs between X/Y and span
+ sal_uInt32 getIndexFromXY(sal_uInt32 nX, sal_uInt32 nY) const { return (nX + (nY * mnWidth)); }
+
+ // data access read
+ sal_uInt32 getWidth() const { return mnWidth; }
+ sal_uInt32 getHeight() const { return mnHeight; }
+
+ // data access read only
+ const BPixel& getBPixel(sal_uInt32 nIndex) const
+ {
+ assert(nIndex < mnCount && "Access out of range");
+ return mpContent[nIndex];
+ }
+
+ // data access read/write
+ BPixel& getBPixel(sal_uInt32 nIndex)
+ {
+ assert(nIndex < mnCount && "Access out of range");
+ return mpContent[nIndex];
+ }
+
+ // data access read only
+ const sal_uInt16& getZ(sal_uInt32 nIndex) const
+ {
+ assert(nIndex < mnCount && "Access out of range");
+ return mpZBuffer[nIndex];
+ }
+
+ // data access read/write
+ sal_uInt16& getZ(sal_uInt32 nIndex)
+ {
+ assert(nIndex < mnCount && "Access out of range");
+ return mpZBuffer[nIndex];
+ }
+ };
+} // end of namespace basegfx
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */