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-rw-r--r--vcl/source/bitmap/bitmap.cxx40
-rw-r--r--vcl/source/bitmap/bitmappalette.cxx215
-rw-r--r--vcl/source/gdi/salmisc.cxx2
3 files changed, 216 insertions, 41 deletions
diff --git a/vcl/source/bitmap/bitmap.cxx b/vcl/source/bitmap/bitmap.cxx
index e688296aa606..07f2c7bf8219 100644
--- a/vcl/source/bitmap/bitmap.cxx
+++ b/vcl/source/bitmap/bitmap.cxx
@@ -229,46 +229,6 @@ const BitmapPalette& Bitmap::GetGreyPalette( int nEntries )
return GetGreyPalette(2);
}
-bool BitmapPalette::IsGreyPaletteAny() const
-{
- const int nEntryCount = GetEntryCount();
- if( !nEntryCount ) // NOTE: an empty palette means 1:1 mapping
- return true;
- // See above: only certain entry values will result in a valid call to GetGreyPalette
- if( nEntryCount == 2 || nEntryCount == 4 || nEntryCount == 16 || nEntryCount == 256 )
- {
- const BitmapPalette& rGreyPalette = Bitmap::GetGreyPalette( nEntryCount );
- if( rGreyPalette == *this )
- return true;
- }
-
- bool bRet = false;
- // TODO: is it worth to compare the entries for the general case?
- if (nEntryCount == 2)
- {
- const BitmapColor& rCol0(maBitmapColor[0]);
- const BitmapColor& rCol1(maBitmapColor[1]);
- bRet = rCol0.GetRed() == rCol0.GetGreen() && rCol0.GetRed() == rCol0.GetBlue() &&
- rCol1.GetRed() == rCol1.GetGreen() && rCol1.GetRed() == rCol1.GetBlue();
- }
- return bRet;
-}
-
-bool BitmapPalette::IsGreyPalette8Bit() const
-{
- const int nEntryCount = GetEntryCount();
- if( !nEntryCount ) // NOTE: an empty palette means 1:1 mapping
- return true;
- if( nEntryCount != 256 )
- return false;
- for (sal_uInt16 i = 0; i < 256; ++i)
- {
- if( maBitmapColor[i] != BitmapColor(i, i, i))
- return false;
- }
- return true;
-}
-
Bitmap& Bitmap::operator=( const Bitmap& rBitmap )
{
if (this == &rBitmap)
diff --git a/vcl/source/bitmap/bitmappalette.cxx b/vcl/source/bitmap/bitmappalette.cxx
new file mode 100644
index 000000000000..e782e34ba1a8
--- /dev/null
+++ b/vcl/source/bitmap/bitmappalette.cxx
@@ -0,0 +1,215 @@
+/* -*- 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 <config_features.h>
+
+#include <sal/log.hxx>
+#include <osl/diagnose.h>
+#include <tools/helpers.hxx>
+
+#include <vcl/BitmapPalette.hxx>
+#include <vcl/bitmapex.hxx>
+#include <vcl/outdev.hxx>
+
+#include <svdata.hxx>
+#include <salinst.hxx>
+
+class ImplBitmapPalette
+{
+public:
+ ImplBitmapPalette(std::initializer_list<BitmapColor> aBitmapColor)
+ : maBitmapColor(aBitmapColor)
+ {
+ }
+ ImplBitmapPalette() {}
+ ImplBitmapPalette(sal_uInt16 nCount)
+ : maBitmapColor(nCount)
+ {
+ }
+ std::vector<BitmapColor>& GetBitmapData() { return maBitmapColor; }
+ const std::vector<BitmapColor>& GetBitmapData() const { return maBitmapColor; }
+ bool operator==(const ImplBitmapPalette& rBitmapPalette) const
+ {
+ return maBitmapColor == rBitmapPalette.maBitmapColor;
+ }
+
+private:
+ std::vector<BitmapColor> maBitmapColor;
+};
+
+namespace
+{
+BitmapPalette::ImplType& GetGlobalDefault()
+{
+ static BitmapPalette::ImplType gDefault;
+ return gDefault;
+}
+}
+
+BitmapPalette::BitmapPalette()
+ : mpImpl(GetGlobalDefault())
+{
+}
+
+BitmapPalette::BitmapPalette(const BitmapPalette& rOther)
+ : mpImpl(rOther.mpImpl)
+{
+}
+
+BitmapPalette::BitmapPalette(BitmapPalette&& rOther) noexcept
+ : mpImpl(std::move(rOther.mpImpl))
+{
+}
+
+BitmapPalette::BitmapPalette(std::initializer_list<BitmapColor> aBitmapColor)
+ : mpImpl(aBitmapColor)
+{
+}
+
+BitmapPalette::BitmapPalette(sal_uInt16 nCount)
+ : mpImpl(nCount)
+{
+}
+
+BitmapPalette::~BitmapPalette() {}
+
+BitmapPalette& BitmapPalette::operator=(const BitmapPalette& rOther)
+{
+ mpImpl = rOther.mpImpl;
+ return *this;
+}
+
+BitmapPalette& BitmapPalette::operator=(BitmapPalette&& rOther) noexcept
+{
+ mpImpl = std::move(rOther.mpImpl);
+ return *this;
+}
+
+SAL_DLLPRIVATE const BitmapColor* BitmapPalette::ImplGetColorBuffer() const
+{
+ return mpImpl->GetBitmapData().data();
+}
+
+SAL_DLLPRIVATE BitmapColor* BitmapPalette::ImplGetColorBuffer()
+{
+ return mpImpl->GetBitmapData().data();
+}
+
+BitmapChecksum BitmapPalette::GetChecksum() const
+{
+ auto const& rBitmapData = mpImpl->GetBitmapData();
+ return vcl_get_checksum(0, rBitmapData.data(), rBitmapData.size() * sizeof(BitmapColor));
+}
+
+bool BitmapPalette::operator==(const BitmapPalette& rOther) const
+{
+ return mpImpl == rOther.mpImpl;
+}
+
+bool BitmapPalette::operator!() const { return mpImpl->GetBitmapData().empty(); }
+
+sal_uInt16 BitmapPalette::GetEntryCount() const { return mpImpl->GetBitmapData().size(); }
+
+void BitmapPalette::SetEntryCount(sal_uInt16 nCount) { mpImpl->GetBitmapData().resize(nCount); }
+
+const BitmapColor& BitmapPalette::operator[](sal_uInt16 nIndex) const
+{
+ assert(nIndex < mpImpl->GetBitmapData().size() && "Palette index is out of range");
+ return mpImpl->GetBitmapData()[nIndex];
+}
+
+BitmapColor& BitmapPalette::operator[](sal_uInt16 nIndex)
+{
+ assert(nIndex < mpImpl->GetBitmapData().size() && "Palette index is out of range");
+ return mpImpl->GetBitmapData()[nIndex];
+}
+
+sal_uInt16 BitmapPalette::GetBestIndex(const BitmapColor& rCol) const
+{
+ auto const& rBitmapColor = mpImpl->GetBitmapData();
+ sal_uInt16 nRetIndex = 0;
+
+ if (!rBitmapColor.empty())
+ {
+ for (size_t j = 0; j < rBitmapColor.size(); ++j)
+ {
+ if (rCol == rBitmapColor[j])
+ {
+ return j;
+ }
+ }
+
+ sal_uInt16 nLastErr = SAL_MAX_UINT16;
+ for (size_t i = 0; i < rBitmapColor.size(); ++i)
+ {
+ const sal_uInt16 nActErr = rCol.GetColorError(rBitmapColor[i]);
+ if (nActErr < nLastErr)
+ {
+ nLastErr = nActErr;
+ nRetIndex = i;
+ }
+ }
+ }
+
+ return nRetIndex;
+}
+
+bool BitmapPalette::IsGreyPaletteAny() const
+{
+ auto const& rBitmapColor = mpImpl->GetBitmapData();
+ const int nEntryCount = GetEntryCount();
+ if (!nEntryCount) // NOTE: an empty palette means 1:1 mapping
+ return true;
+ // See above: only certain entry values will result in a valid call to GetGreyPalette
+ if (nEntryCount == 2 || nEntryCount == 4 || nEntryCount == 16 || nEntryCount == 256)
+ {
+ const BitmapPalette& rGreyPalette = Bitmap::GetGreyPalette(nEntryCount);
+ if (rGreyPalette == *this)
+ return true;
+ }
+
+ bool bRet = false;
+ // TODO: is it worth to compare the entries for the general case?
+ if (nEntryCount == 2)
+ {
+ const BitmapColor& rCol0(rBitmapColor[0]);
+ const BitmapColor& rCol1(rBitmapColor[1]);
+ bRet = rCol0.GetRed() == rCol0.GetGreen() && rCol0.GetRed() == rCol0.GetBlue()
+ && rCol1.GetRed() == rCol1.GetGreen() && rCol1.GetRed() == rCol1.GetBlue();
+ }
+ return bRet;
+}
+
+bool BitmapPalette::IsGreyPalette8Bit() const
+{
+ auto const& rBitmapColor = mpImpl->GetBitmapData();
+ const int nEntryCount = GetEntryCount();
+ if (!nEntryCount) // NOTE: an empty palette means 1:1 mapping
+ return true;
+ if (nEntryCount != 256)
+ return false;
+ for (sal_uInt16 i = 0; i < 256; ++i)
+ {
+ if (rBitmapColor[i] != BitmapColor(i, i, i))
+ return false;
+ }
+ return true;
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/vcl/source/gdi/salmisc.cxx b/vcl/source/gdi/salmisc.cxx
index 037ea8073bae..17161420dc4a 100644
--- a/vcl/source/gdi/salmisc.cxx
+++ b/vcl/source/gdi/salmisc.cxx
@@ -228,7 +228,7 @@ static void ImplTCToPAL( const BitmapBuffer& rSrcBuffer, BitmapBuffer const & rD
std::unique_ptr<BitmapBuffer> StretchAndConvert(
const BitmapBuffer& rSrcBuffer, const SalTwoRect& rTwoRect,
- ScanlineFormat nDstBitmapFormat, const BitmapPalette* pDstPal, const ColorMask* pDstMask )
+ ScanlineFormat nDstBitmapFormat, std::optional<BitmapPalette> pDstPal, const ColorMask* pDstMask )
{
FncGetPixel pFncGetPixel;
FncSetPixel pFncSetPixel;
generated by cgit (git 2.34.1) at 2025-05-21 03:02:47 +0000