1 files changed, 140 insertions, 0 deletions
diff --git a/vcl/source/graphic/UnoGraphicTransformer.cxx b/vcl/source/graphic/UnoGraphicTransformer.cxx
new file mode 100644
index 000000000..100e37b29
--- /dev/null
+++ b/vcl/source/graphic/UnoGraphicTransformer.cxx
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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 .
+ */
+
+
+#include <graphic/UnoGraphicTransformer.hxx>
+
+#include <vcl/graph.hxx>
+#include <vcl/BitmapColor.hxx>
+#include <vcl/BitmapDuoToneFilter.hxx>
+
+using namespace com::sun::star;
+
+namespace unographic {
+
+
+GraphicTransformer::GraphicTransformer()
+{
+}
+
+
+GraphicTransformer::~GraphicTransformer()
+{
+}
+
+
+// XGraphicTransformer
+uno::Reference< graphic::XGraphic > SAL_CALL GraphicTransformer::colorChange(
+    const uno::Reference< graphic::XGraphic >& rxGraphic, sal_Int32 nColorFrom, sal_Int8 nTolerance, sal_Int32 nColorTo, sal_Int8 nAlphaTo )
+{
+    ::Graphic aGraphic(rxGraphic);
+    ::Graphic aReturnGraphic;
+
+    BitmapColor aBmpColorFrom(static_cast< sal_uInt8 >(nColorFrom), static_cast< sal_uInt8 >(nColorFrom >> 8), static_cast< sal_uInt8 >(nColorFrom >> 16));
+    BitmapColor aBmpColorTo( static_cast< sal_uInt8 >(nColorTo), static_cast< sal_uInt8 >(nColorTo >> 8), static_cast< sal_uInt8 >(nColorTo  >> 16));
+
+    Color aColorFrom(aBmpColorFrom);
+    Color aColorTo(aBmpColorTo);
+
+    const sal_uInt8 cIndexFrom = aBmpColorFrom.GetIndex();
+
+    //TODO This code convert GdiMetafile(vector graphic) to Bitmap, which cause to information lost
+    if (aGraphic.GetType() == GraphicType::Bitmap ||
+        aGraphic.GetType() == GraphicType::GdiMetafile)
+    {
+        BitmapEx aBitmapEx(aGraphic.GetBitmapEx());
+        Bitmap aBitmap(aBitmapEx.GetBitmap());
+
+        if (aBitmapEx.IsAlpha())
+        {
+            aBitmapEx.setAlphaFrom( cIndexFrom, 0xff - nAlphaTo );
+            aBitmapEx.Replace(aColorFrom, aColorTo, nTolerance);
+            aReturnGraphic = ::Graphic(aBitmapEx);
+        }
+        else if (aBitmapEx.IsTransparent())
+        {
+            if (nAlphaTo == sal::static_int_cast< sal_Int8 >(0xff))
+            {
+                Bitmap aMask(aBitmapEx.GetMask());
+                Bitmap aMask2(aBitmap.CreateMask(aColorFrom, nTolerance));
+                aMask.CombineSimple(aMask2, BmpCombine::Or);
+                aBitmap.Replace(aColorFrom, aColorTo, nTolerance);
+                aReturnGraphic = ::Graphic(BitmapEx(aBitmap, aMask));
+            }
+            else
+            {
+                aBitmapEx.setAlphaFrom(cIndexFrom, 0xff - nAlphaTo);
+                aBitmapEx.Replace(aColorFrom, aColorTo, nTolerance);
+                aReturnGraphic = ::Graphic(aBitmapEx);
+            }
+        }
+        else
+        {
+            if ((nAlphaTo == 0) || (nAlphaTo == sal::static_int_cast< sal_Int8 >(0xff)))
+            {
+                Bitmap aMask(aBitmap.CreateMask(aColorFrom, nTolerance));
+                aBitmap.Replace(aColorFrom, aColorTo, nTolerance);
+                aReturnGraphic = ::Graphic(BitmapEx(aBitmap, aMask));
+            }
+            else
+            {
+                aBitmapEx.setAlphaFrom(cIndexFrom, nAlphaTo);
+                aBitmapEx.Replace(aColorFrom, aColorTo, nTolerance);
+                aReturnGraphic = ::Graphic(aBitmapEx);
+            }
+        }
+    }
+
+    aReturnGraphic.setOriginURL(aGraphic.getOriginURL());
+    return aReturnGraphic.GetXGraphic();
+}
+
+uno::Reference< graphic::XGraphic > SAL_CALL GraphicTransformer::applyDuotone(
+    const uno::Reference< graphic::XGraphic >& rxGraphic, sal_Int32 nColorOne, sal_Int32 nColorTwo )
+{
+    ::Graphic aGraphic(rxGraphic);
+    ::Graphic aReturnGraphic;
+
+    BitmapEx    aBitmapEx( aGraphic.GetBitmapEx() );
+    AlphaMask   aMask( aBitmapEx.GetAlpha() );
+
+    BitmapEx    aTmpBmpEx(aBitmapEx.GetBitmap());
+    BitmapFilter::Filter(aTmpBmpEx, BitmapDuoToneFilter(static_cast<sal_uLong>(nColorOne), static_cast<sal_uLong>(nColorTwo)));
+
+    aReturnGraphic = ::Graphic( BitmapEx( aTmpBmpEx.GetBitmap(), aMask ) );
+    aReturnGraphic.setOriginURL(aGraphic.getOriginURL());
+    return aReturnGraphic.GetXGraphic();
+}
+
+uno::Reference< graphic::XGraphic > SAL_CALL GraphicTransformer::applyBrightnessContrast(
+    const uno::Reference< graphic::XGraphic >& rxGraphic, sal_Int32 nBrightness, sal_Int32 nContrast, sal_Bool mso )
+{
+    ::Graphic aGraphic(rxGraphic);
+    ::Graphic aReturnGraphic;
+
+    BitmapEx aBitmapEx(aGraphic.GetBitmapEx());
+    aBitmapEx.Adjust(nBrightness, nContrast, 0, 0, 0, 0, false, mso);
+    aReturnGraphic = ::Graphic(aBitmapEx);
+    aReturnGraphic.setOriginURL(aGraphic.getOriginURL());
+    return aReturnGraphic.GetXGraphic();
+}
+
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */