1 files changed, 149 insertions, 0 deletions
diff --git a/include/vcl/alpha.hxx b/include/vcl/alpha.hxx
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+++ b/include/vcl/alpha.hxx
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+/* -*- 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 _SV_ALPHA_HXX
+#define _SV_ALPHA_HXX
+
+#include <vcl/dllapi.h>
+#include <vcl/bitmap.hxx>
+
+// -------------
+// - AlphaMask -
+// -------------
+
+class ImageList;
+class BitmapEx;
+
+class VCL_DLLPUBLIC AlphaMask : private Bitmap
+{
+    friend class BitmapEx;
+    friend class OutputDevice;
+    friend VCL_DLLPUBLIC SvStream& operator<<( SvStream&, const ImageList& );
+
+private:
+
+    SAL_DLLPRIVATE const Bitmap&    ImplGetBitmap() const;
+    SAL_DLLPRIVATE void             ImplSetBitmap( const Bitmap& rBitmap );
+
+public:
+
+    AlphaMask();
+    AlphaMask( const Bitmap& rBitmap );
+    AlphaMask( const AlphaMask& rAlphaMask );
+    AlphaMask( const Size& rSizePixel, sal_uInt8* pEraseTransparency = NULL );
+    virtual ~AlphaMask();
+
+    AlphaMask&  operator=( const Bitmap& rBitmap );
+    AlphaMask&  operator=( const AlphaMask& rAlphaMask )
+    {
+        return (AlphaMask&) Bitmap::operator=( rAlphaMask );
+    }
+
+    sal_Bool operator!() const
+    {
+        return Bitmap::operator!();
+    }
+
+    sal_Bool operator==( const AlphaMask& rAlphaMask ) const
+    {
+        return Bitmap::operator==( rAlphaMask );
+    }
+
+    sal_Bool operator!=( const AlphaMask& rAlphaMask ) const
+    {
+        return Bitmap::operator!=( rAlphaMask );
+    }
+
+    const MapMode&  GetPrefMapMode() const
+    {
+        return Bitmap::GetPrefMapMode();
+    }
+
+    void    SetPrefMapMode( const MapMode& rMapMode )
+    {
+        Bitmap::SetPrefMapMode( rMapMode );
+    }
+
+    const Size& GetPrefSize() const
+    {
+        return Bitmap::GetPrefSize();
+    }
+
+    void    SetPrefSize( const Size& rSize )
+    {
+        Bitmap::SetPrefSize( rSize );
+    }
+
+    Size    GetSizePixel() const
+    {
+        return Bitmap::GetSizePixel();
+    }
+
+    sal_uLong   GetSizeBytes() const
+    {
+        return Bitmap::GetSizeBytes();
+    }
+    sal_uLong   GetChecksum() const
+    {
+        return Bitmap::GetChecksum();
+    }
+
+    Bitmap  GetBitmap() const;
+
+    sal_Bool    CopyPixel( const Rectangle& rRectDst, const Rectangle& rRectSrc,
+                           const AlphaMask* pAlphaSrc = NULL);
+
+    sal_Bool    Erase( sal_uInt8 cTransparency );
+    sal_Bool    Replace( const Bitmap& rMask, sal_uInt8 rReplaceTransparency );
+    sal_Bool    Replace( sal_uInt8 cSearchTransparency, sal_uInt8 cReplaceTransparency,
+                         sal_uLong nTol = 0UL );
+
+    BitmapReadAccess*   AcquireReadAccess()
+    {
+        return Bitmap::AcquireReadAccess();
+    }
+
+    BitmapWriteAccess*  AcquireWriteAccess()
+    {
+        return Bitmap::AcquireWriteAccess();
+    }
+
+    void    ReleaseAccess( BitmapReadAccess* pAccess );
+
+    typedef vcl::ScopedBitmapAccess< BitmapReadAccess, AlphaMask, &AlphaMask::AcquireReadAccess >
+        ScopedReadAccess;
+    typedef vcl::ScopedBitmapAccess< BitmapWriteAccess, AlphaMask, &AlphaMask::AcquireWriteAccess >
+        ScopedWriteAccess;
+
+    sal_Bool    Read( SvStream& rIStm, sal_Bool bFileHeader = sal_True )
+    {
+        return Bitmap::Read( rIStm, bFileHeader );
+    }
+    sal_Bool    Write( SvStream& rOStm, sal_Bool bCompressed = sal_True, sal_Bool bFileHeader = sal_True ) const
+    {
+        return Bitmap::Write( rOStm, bCompressed, bFileHeader );
+    }
+
+    friend VCL_DLLPUBLIC SvStream& operator<<( SvStream& rOStm, const BitmapEx& rBitmapEx );
+    friend VCL_DLLPUBLIC SvStream& operator>>( SvStream& rIStm, BitmapEx& rBitmapEx );
+};
+
+#endif // _SV_ALPHA_HXX
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */