1 files changed, 362 insertions, 0 deletions
diff --git a/vcl/source/gdi/bmpacc2.cxx b/vcl/source/gdi/bmpacc2.cxx
new file mode 100644
index 000000000..9210d5222
--- /dev/null
+++ b/vcl/source/gdi/bmpacc2.cxx
@@ -0,0 +1,362 @@
+/* -*- 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/bitmapaccess.hxx>
+#include <vcl/BitmapTools.hxx>
+
+BitmapColor BitmapReadAccess::GetPixelForN1BitMsbPal(ConstScanline pScanline, long nX, const ColorMask&)
+{
+    return BitmapColor( pScanline[ nX >> 3 ] & ( 1 << ( 7 - ( nX & 7 ) ) ) ? 1 : 0 );
+}
+
+void BitmapReadAccess::SetPixelForN1BitMsbPal(const Scanline pScanline, long nX, const BitmapColor& rBitmapColor, const ColorMask&)
+{
+    sal_uInt8& rByte = pScanline[ nX >> 3 ];
+
+    if ( rBitmapColor.GetIndex() & 1 )
+        rByte |= 1 << ( 7 - ( nX & 7 ) );
+    else
+        rByte &= ~( 1 << ( 7 - ( nX & 7 ) ) );
+}
+
+BitmapColor BitmapReadAccess::GetPixelForN1BitLsbPal(ConstScanline pScanline, long nX, const ColorMask&)
+{
+    return BitmapColor( pScanline[ nX >> 3 ] & ( 1 << ( nX & 7 ) ) ? 1 : 0 );
+}
+
+void BitmapReadAccess::SetPixelForN1BitLsbPal(const Scanline pScanline, long nX, const BitmapColor& rBitmapColor, const ColorMask&)
+{
+    sal_uInt8& rByte = pScanline[ nX >> 3 ];
+
+    if ( rBitmapColor.GetIndex() & 1 )
+        rByte |= 1 << ( nX & 7 );
+    else
+        rByte &= ~( 1 << ( nX & 7 ) );
+}
+
+BitmapColor BitmapReadAccess::GetPixelForN4BitMsnPal(ConstScanline pScanline, long nX, const ColorMask&)
+{
+    return BitmapColor( ( pScanline[ nX >> 1 ] >> ( nX & 1 ? 0 : 4 ) ) & 0x0f );
+}
+
+void BitmapReadAccess::SetPixelForN4BitMsnPal(const Scanline pScanline, long nX, const BitmapColor& rBitmapColor, const ColorMask&)
+{
+    sal_uInt8& rByte = pScanline[ nX >> 1 ];
+
+    if ( nX & 1 )
+    {
+        rByte &= 0xf0;
+        rByte |= ( rBitmapColor.GetIndex() & 0x0f );
+    }
+    else
+    {
+        rByte &= 0x0f;
+        rByte |= ( rBitmapColor.GetIndex() << 4 );
+    }
+}
+
+BitmapColor BitmapReadAccess::GetPixelForN4BitLsnPal(ConstScanline pScanline, long nX, const ColorMask&)
+{
+    return BitmapColor( ( pScanline[ nX >> 1 ] >> ( nX & 1 ? 4 : 0 ) ) & 0x0f );
+}
+
+void BitmapReadAccess::SetPixelForN4BitLsnPal(const Scanline pScanline, long nX, const BitmapColor& rBitmapColor, const ColorMask&)
+{
+    sal_uInt8& rByte = pScanline[ nX >> 1 ];
+
+    if ( nX & 1 )
+    {
+        rByte &= 0x0f;
+        rByte |= ( rBitmapColor.GetIndex() << 4 );
+    }
+    else
+    {
+        rByte &= 0xf0;
+        rByte |= ( rBitmapColor.GetIndex() & 0x0f );
+    }
+}
+
+BitmapColor BitmapReadAccess::GetPixelForN8BitPal(ConstScanline pScanline, long nX, const ColorMask&)
+{
+    return BitmapColor( pScanline[ nX ] );
+}
+
+void BitmapReadAccess::SetPixelForN8BitPal(Scanline pScanline, long nX, const BitmapColor& rBitmapColor, const ColorMask&)
+{
+    pScanline[ nX ] = rBitmapColor.GetIndex();
+}
+
+BitmapColor BitmapReadAccess::GetPixelForN8BitTcMask(ConstScanline pScanline, long nX, const ColorMask& rMask)
+{
+    BitmapColor aColor;
+    rMask.GetColorFor8Bit( aColor, pScanline + nX );
+    return aColor;
+}
+
+void BitmapReadAccess::SetPixelForN8BitTcMask(Scanline pScanline, long nX, const BitmapColor& rBitmapColor, const ColorMask& rMask)
+{
+    rMask.SetColorFor8Bit( rBitmapColor, pScanline + nX );
+}
+
+
+BitmapColor BitmapReadAccess::GetPixelForN24BitTcBgr(ConstScanline pScanline, long nX, const ColorMask&)
+{
+    BitmapColor aBitmapColor;
+
+    pScanline = pScanline + nX * 3;
+    aBitmapColor.SetBlue( *pScanline++ );
+    aBitmapColor.SetGreen( *pScanline++ );
+    aBitmapColor.SetRed( *pScanline );
+
+    return aBitmapColor;
+}
+
+void BitmapReadAccess::SetPixelForN24BitTcBgr(Scanline pScanline, long nX, const BitmapColor& rBitmapColor, const ColorMask&)
+{
+    pScanline = pScanline + nX * 3;
+    *pScanline++ = rBitmapColor.GetBlue();
+    *pScanline++ = rBitmapColor.GetGreen();
+    *pScanline = rBitmapColor.GetRed();
+}
+
+BitmapColor BitmapReadAccess::GetPixelForN24BitTcRgb(ConstScanline pScanline, long nX, const ColorMask&)
+{
+    BitmapColor aBitmapColor;
+
+    pScanline = pScanline + nX * 3;
+    aBitmapColor.SetRed( *pScanline++ );
+    aBitmapColor.SetGreen( *pScanline++ );
+    aBitmapColor.SetBlue( *pScanline );
+
+    return aBitmapColor;
+}
+
+void BitmapReadAccess::SetPixelForN24BitTcRgb(Scanline pScanline, long nX, const BitmapColor& rBitmapColor, const ColorMask&)
+{
+    pScanline = pScanline + nX * 3;
+    *pScanline++ = rBitmapColor.GetRed();
+    *pScanline++ = rBitmapColor.GetGreen();
+    *pScanline = rBitmapColor.GetBlue();
+}
+
+BitmapColor BitmapReadAccess::GetPixelForN32BitTcAbgr(ConstScanline pScanline, long nX, const ColorMask&)
+{
+    pScanline = pScanline + nX * 4;
+
+    sal_uInt8 a = *pScanline++;
+    sal_uInt8 b = *pScanline++;
+    sal_uInt8 g = *pScanline++;
+    sal_uInt8 r = *pScanline;
+
+    return BitmapColor(
+            vcl::bitmap::unpremultiply(r, a),
+            vcl::bitmap::unpremultiply(g, a),
+            vcl::bitmap::unpremultiply(b, a),
+            0xFF - a);
+}
+
+BitmapColor BitmapReadAccess::GetPixelForN32BitTcXbgr(ConstScanline pScanline, long nX, const ColorMask&)
+{
+    BitmapColor aBitmapColor;
+
+    pScanline = pScanline + ( nX << 2 ) + 1;
+    aBitmapColor.SetBlue( *pScanline++ );
+    aBitmapColor.SetGreen( *pScanline++ );
+    aBitmapColor.SetRed( *pScanline );
+
+    return aBitmapColor;
+}
+
+void BitmapReadAccess::SetPixelForN32BitTcAbgr(Scanline pScanline, long nX, const BitmapColor& rBitmapColor, const ColorMask&)
+{
+    pScanline = pScanline + nX * 4;
+
+    sal_uInt8 alpha = 0xFF - rBitmapColor.GetAlpha();
+    *pScanline++ = alpha;
+    *pScanline++ = vcl::bitmap::premultiply(rBitmapColor.GetBlue(), alpha);
+    *pScanline++ = vcl::bitmap::premultiply(rBitmapColor.GetGreen(), alpha);
+    *pScanline   = vcl::bitmap::premultiply(rBitmapColor.GetRed(), alpha);
+}
+
+void BitmapReadAccess::SetPixelForN32BitTcXbgr(Scanline pScanline, long nX, const BitmapColor& rBitmapColor, const ColorMask&)
+{
+    pScanline = pScanline + ( nX << 2 );
+    *pScanline++ = 0xFF;
+    *pScanline++ = rBitmapColor.GetBlue();
+    *pScanline++ = rBitmapColor.GetGreen();
+    *pScanline = rBitmapColor.GetRed();
+}
+
+BitmapColor BitmapReadAccess::GetPixelForN32BitTcArgb(ConstScanline pScanline, long nX, const ColorMask&)
+{
+    pScanline = pScanline + nX * 4;
+
+    sal_uInt8 a = *pScanline++;
+    sal_uInt8 r = *pScanline++;
+    sal_uInt8 g = *pScanline++;
+    sal_uInt8 b = *pScanline;
+
+    return BitmapColor(
+            vcl::bitmap::unpremultiply(r, a),
+            vcl::bitmap::unpremultiply(g, a),
+            vcl::bitmap::unpremultiply(b, a),
+            0xFF - a);
+}
+
+BitmapColor BitmapReadAccess::GetPixelForN32BitTcXrgb(ConstScanline pScanline, long nX, const ColorMask&)
+{
+    BitmapColor aBitmapColor;
+
+    pScanline = pScanline + ( nX << 2 ) + 1;
+    aBitmapColor.SetRed( *pScanline++ );
+    aBitmapColor.SetGreen( *pScanline++ );
+    aBitmapColor.SetBlue( *pScanline );
+
+    return aBitmapColor;
+}
+
+void BitmapReadAccess::SetPixelForN32BitTcArgb(Scanline pScanline, long nX, const BitmapColor& rBitmapColor, const ColorMask&)
+{
+    pScanline = pScanline + nX * 4;
+
+    sal_uInt8 alpha = 0xFF - rBitmapColor.GetAlpha();
+    *pScanline++ = alpha;
+    *pScanline++ = vcl::bitmap::premultiply(rBitmapColor.GetRed(), alpha);
+    *pScanline++ = vcl::bitmap::premultiply(rBitmapColor.GetGreen(), alpha);
+    *pScanline   = vcl::bitmap::premultiply(rBitmapColor.GetBlue(), alpha);
+}
+
+void BitmapReadAccess::SetPixelForN32BitTcXrgb(Scanline pScanline, long nX, const BitmapColor& rBitmapColor, const ColorMask&)
+{
+    pScanline = pScanline + ( nX << 2 );
+    *pScanline++ = 0xFF;
+    *pScanline++ = rBitmapColor.GetRed();
+    *pScanline++ = rBitmapColor.GetGreen();
+    *pScanline = rBitmapColor.GetBlue();
+}
+
+BitmapColor BitmapReadAccess::GetPixelForN32BitTcBgra(ConstScanline pScanline, long nX, const ColorMask&)
+{
+    pScanline = pScanline + nX * 4;
+
+    sal_uInt8 b = *pScanline++;
+    sal_uInt8 g = *pScanline++;
+    sal_uInt8 r = *pScanline++;
+    sal_uInt8 a = *pScanline;
+
+    return BitmapColor(
+            vcl::bitmap::unpremultiply(r, a),
+            vcl::bitmap::unpremultiply(g, a),
+            vcl::bitmap::unpremultiply(b, a),
+            0xFF - a);
+}
+
+BitmapColor BitmapReadAccess::GetPixelForN32BitTcBgrx(ConstScanline pScanline, long nX, const ColorMask&)
+{
+    BitmapColor aBitmapColor;
+
+    pScanline = pScanline + ( nX << 2 );
+    aBitmapColor.SetBlue( *pScanline++ );
+    aBitmapColor.SetGreen( *pScanline++ );
+    aBitmapColor.SetRed( *pScanline );
+
+    return aBitmapColor;
+}
+
+void BitmapReadAccess::SetPixelForN32BitTcBgra(Scanline pScanline, long nX, const BitmapColor& rBitmapColor, const ColorMask&)
+{
+    pScanline = pScanline + nX * 4;
+
+    sal_uInt8 alpha = 0xFF - rBitmapColor.GetAlpha();
+    *pScanline++ = vcl::bitmap::premultiply(rBitmapColor.GetBlue(), alpha);
+    *pScanline++ = vcl::bitmap::premultiply(rBitmapColor.GetGreen(), alpha);
+    *pScanline++ = vcl::bitmap::premultiply(rBitmapColor.GetRed(), alpha);
+    *pScanline = alpha;
+}
+
+void BitmapReadAccess::SetPixelForN32BitTcBgrx(Scanline pScanline, long nX, const BitmapColor& rBitmapColor, const ColorMask&)
+{
+    pScanline = pScanline + ( nX << 2 );
+    *pScanline++ = rBitmapColor.GetBlue();
+    *pScanline++ = rBitmapColor.GetGreen();
+    *pScanline++ = rBitmapColor.GetRed();
+    *pScanline = 0xFF;
+}
+
+BitmapColor BitmapReadAccess::GetPixelForN32BitTcRgba(ConstScanline pScanline, long nX, const ColorMask&)
+{
+    pScanline = pScanline + nX * 4;
+
+    sal_uInt8 r = *pScanline++;
+    sal_uInt8 g = *pScanline++;
+    sal_uInt8 b = *pScanline++;
+    sal_uInt8 a = *pScanline;
+
+    return BitmapColor(
+            vcl::bitmap::unpremultiply(r, a),
+            vcl::bitmap::unpremultiply(g, a),
+            vcl::bitmap::unpremultiply(b, a),
+            0xFF - a);
+}
+
+BitmapColor BitmapReadAccess::GetPixelForN32BitTcRgbx(ConstScanline pScanline, long nX, const ColorMask&)
+{
+    BitmapColor aBitmapColor;
+
+    pScanline = pScanline + ( nX << 2 );
+    aBitmapColor.SetRed( *pScanline++ );
+    aBitmapColor.SetGreen( *pScanline++ );
+    aBitmapColor.SetBlue( *pScanline );
+
+    return aBitmapColor;
+}
+
+void BitmapReadAccess::SetPixelForN32BitTcRgba(Scanline pScanline, long nX, const BitmapColor& rBitmapColor, const ColorMask&)
+{
+    pScanline = pScanline + nX * 4;
+
+    sal_uInt8 alpha = 0xFF - rBitmapColor.GetAlpha();
+    *pScanline++ = vcl::bitmap::premultiply(rBitmapColor.GetRed(), alpha);
+    *pScanline++ = vcl::bitmap::premultiply(rBitmapColor.GetGreen(), alpha);
+    *pScanline++ = vcl::bitmap::premultiply(rBitmapColor.GetBlue(), alpha);
+    *pScanline = alpha;
+}
+
+void BitmapReadAccess::SetPixelForN32BitTcRgbx(Scanline pScanline, long nX, const BitmapColor& rBitmapColor, const ColorMask&)
+{
+    pScanline = pScanline + ( nX << 2 );
+    *pScanline++ = rBitmapColor.GetRed();
+    *pScanline++ = rBitmapColor.GetGreen();
+    *pScanline++ = rBitmapColor.GetBlue();
+    *pScanline = 0xFF;
+}
+
+BitmapColor BitmapReadAccess::GetPixelForN32BitTcMask(ConstScanline pScanline, long nX, const ColorMask& rMask)
+{
+    BitmapColor aColor;
+    rMask.GetColorFor32Bit( aColor, pScanline + ( nX << 2 ) );
+    return aColor;
+}
+
+void BitmapReadAccess::SetPixelForN32BitTcMask(Scanline pScanline, long nX, const BitmapColor& rBitmapColor, const ColorMask& rMask)
+{
+    rMask.SetColorFor32Bit( rBitmapColor, pScanline + ( nX << 2 ) );
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */