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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-15 05:54:39 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-15 05:54:39 +0000
commit267c6f2ac71f92999e969232431ba04678e7437e (patch)
tree358c9467650e1d0a1d7227a21dac2e3d08b622b2 /vcl/source/bitmap/BitmapInfoAccess.cxx
parentInitial commit. (diff)
downloadlibreoffice-267c6f2ac71f92999e969232431ba04678e7437e.tar.xz
libreoffice-267c6f2ac71f92999e969232431ba04678e7437e.zip
Adding upstream version 4:24.2.0.upstream/4%24.2.0
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'vcl/source/bitmap/BitmapInfoAccess.cxx')
-rw-r--r--vcl/source/bitmap/BitmapInfoAccess.cxx91
1 files changed, 91 insertions, 0 deletions
diff --git a/vcl/source/bitmap/BitmapInfoAccess.cxx b/vcl/source/bitmap/BitmapInfoAccess.cxx
new file mode 100644
index 0000000000..817d5187c3
--- /dev/null
+++ b/vcl/source/bitmap/BitmapInfoAccess.cxx
@@ -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 .
+ */
+
+#include <vcl/BitmapInfoAccess.hxx>
+
+#include <salbmp.hxx>
+#include <svdata.hxx>
+#include <salinst.hxx>
+
+BitmapInfoAccess::BitmapInfoAccess(const AlphaMask& rBitmap, BitmapAccessMode nMode)
+ : BitmapInfoAccess(rBitmap.GetBitmap(), nMode)
+{
+}
+
+BitmapInfoAccess::BitmapInfoAccess(const Bitmap& rBitmap, BitmapAccessMode nMode)
+ : mpBuffer(nullptr)
+ , mnAccessMode(nMode)
+{
+ std::shared_ptr<SalBitmap> xImpBmp = rBitmap.ImplGetSalBitmap();
+
+ if (!xImpBmp)
+ return;
+
+ if (mnAccessMode == BitmapAccessMode::Write)
+ {
+ xImpBmp->DropScaledCache();
+
+ if (xImpBmp.use_count() > 2)
+ {
+ xImpBmp.reset();
+ const_cast<Bitmap&>(rBitmap).ImplMakeUnique();
+ xImpBmp = rBitmap.ImplGetSalBitmap();
+ }
+ }
+
+ mpBuffer = xImpBmp->AcquireBuffer(mnAccessMode);
+
+ if (!mpBuffer)
+ {
+ std::shared_ptr<SalBitmap> xNewImpBmp(ImplGetSVData()->mpDefInst->CreateSalBitmap());
+ if (xNewImpBmp->Create(*xImpBmp, rBitmap.getPixelFormat()))
+ {
+ xImpBmp = xNewImpBmp;
+ const_cast<Bitmap&>(rBitmap).ImplSetSalBitmap(xImpBmp);
+ mpBuffer = xImpBmp->AcquireBuffer(mnAccessMode);
+ }
+ }
+
+ maBitmap = rBitmap;
+}
+
+BitmapInfoAccess::~BitmapInfoAccess()
+{
+ std::shared_ptr<SalBitmap> xImpBmp = maBitmap.ImplGetSalBitmap();
+
+ if (mpBuffer && xImpBmp)
+ {
+ xImpBmp->ReleaseBuffer(mpBuffer, mnAccessMode);
+ }
+}
+
+sal_uInt16 BitmapInfoAccess::GetBestPaletteIndex(const BitmapColor& rBitmapColor) const
+{
+ const BitmapBuffer* pBuffer = mpBuffer;
+
+ return (HasPalette() ? pBuffer->maPalette.GetBestIndex(rBitmapColor) : 0);
+}
+
+sal_uInt16 BitmapInfoAccess::GetMatchingPaletteIndex(const BitmapColor& rBitmapColor) const
+{
+ assert(HasPalette());
+ return mpBuffer->maPalette.GetMatchingIndex(rBitmapColor);
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */