move framework/toolkit use of BitmapEx::GetMask inside vcl

Change-Id: I2a942377d6e9b8b09673e5ad2804e0e7fb2bb943
Reviewed-on: https://gerrit.libreoffice.org/51387Reviewed-by: Michael Meeks <michael.meeks@collabora.com>
Tested-by: Noel Grandin <noel.grandin@collabora.co.uk>

framework/source/fwe/classes/imagewrapper.cxx

@@ -21,6 +21,7 @@
 #include <vcl/svapp.hxx>
 #include <vcl/bitmap.hxx>
 #include <vcl/bitmapex.hxx>
+#include <vcl/BitmapTools.hxx>
 #include <tools/stream.hxx>
 #include <cppuhelper/typeprovider.hxx>
 #include <vcl/dibtools.hxx>
@@ -74,22 +75,8 @@ Sequence< sal_Int8 > SAL_CALL ImageWrapper::getDIB()
 Sequence< sal_Int8 > SAL_CALL ImageWrapper::getMaskDIB()
 {
     SolarMutexGuard aGuard;
-    BitmapEx    aBmpEx( m_aImage.GetBitmapEx() );
-
-    if ( aBmpEx.IsAlpha() )
-    {
-        SvMemoryStream aMem;
-        WriteDIB(aBmpEx.GetAlpha().GetBitmap(), aMem, false, true);
-        return Sequence< sal_Int8 >( static_cast<sal_Int8 const *>(aMem.GetData()), aMem.Tell() );
-    }
-    else if ( aBmpEx.IsTransparent() )
-    {
-        SvMemoryStream aMem;
-        WriteDIB(aBmpEx.GetMask(), aMem, false, true);
-        return Sequence< sal_Int8 >( static_cast<sal_Int8 const *>(aMem.GetData()), aMem.Tell() );
-    }
-
-    return Sequence< sal_Int8 >();
+
+    return vcl::bitmap::GetMaskDIB(m_aImage.GetBitmapEx());
 }
 
 // XUnoTunnel

include/vcl/BitmapTools.hxx

@@ -96,6 +96,8 @@ VCL_DLLPUBLIC void DrawAlphaBitmapAndAlphaGradient(BitmapEx & rBitmapEx, bool bF
 
 VCL_DLLPUBLIC void DrawAndClipBitmap(const Point& rPos, const Size& rSize, const BitmapEx& rBitmap, BitmapEx & aBmpEx, basegfx::B2DPolyPolygon const & rClipPath);
 
+VCL_DLLPUBLIC css::uno::Sequence< sal_Int8 > GetMaskDIB(BitmapEx const & aBmpEx);
+
 }} // end vcl::bitmap
 
 #endif // INCLUDED_VCL_BITMAP_TOOLS_HXX

toolkit/source/awt/vclxbitmap.cxx

@@ -24,6 +24,7 @@
 #include <tools/stream.hxx>
 #include <rtl/uuid.h>
 #include <vcl/dibtools.hxx>
+#include <vcl/BitmapTools.hxx>
 
 
 //  class VCLXBitmap
@@ -72,9 +73,7 @@ css::uno::Sequence< sal_Int8 > VCLXBitmap::getMaskDIB()
 {
     ::osl::Guard< ::osl::Mutex > aGuard( GetMutex() );
 
-    SvMemoryStream aMem;
-    WriteDIB(maBitmap.GetMask(), aMem, false, true);
-    return css::uno::Sequence<sal_Int8>( static_cast<sal_Int8 const *>(aMem.GetData()), aMem.Tell() );
+    return vcl::bitmap::GetMaskDIB(maBitmap);
 }
 
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */

vcl/source/bitmap/BitmapTools.cxx

@@ -22,6 +22,7 @@
 #include <com/sun/star/rendering/XIntegerReadOnlyBitmap.hpp>
 
 #include <unotools/resmgr.hxx>
+#include <vcl/dibtools.hxx>
 #include <vcl/settings.hxx>
 #include <vcl/svapp.hxx>
 #include <vcl/salbtype.hxx>
@@ -628,6 +629,25 @@ void DrawAndClipBitmap(const Point& rPos, const Size& rSize, const BitmapEx& rBi
     }
 }
 
+
+css::uno::Sequence< sal_Int8 > GetMaskDIB(BitmapEx const & aBmpEx)
+{
+    if ( aBmpEx.IsAlpha() )
+    {
+        SvMemoryStream aMem;
+        WriteDIB(aBmpEx.GetAlpha().GetBitmap(), aMem, false, true);
+        return css::uno::Sequence< sal_Int8 >( static_cast<sal_Int8 const *>(aMem.GetData()), aMem.Tell() );
+    }
+    else if ( aBmpEx.IsTransparent() )
+    {
+        SvMemoryStream aMem;
+        WriteDIB(aBmpEx.GetMask(), aMem, false, true);
+        return css::uno::Sequence< sal_Int8 >( static_cast<sal_Int8 const *>(aMem.GetData()), aMem.Tell() );
+    }
+
+    return css::uno::Sequence< sal_Int8 >();
+}
+
 }} // end vcl::bitmap
 
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */