Move OutputDevice clipping functions into own file

Change-Id: Id1bfa4c6db202597107de3047326fe1bd17f2387

2 files changed, 1 insertions, 238 deletions

diff --git a/vcl/Library_vcl.mk b/vcl/Library_vcl.mk
index 8a6cb5c8d15e..8ecfb696a196 100644
--- a/vcl/Library_vcl.mk
+++ b/vcl/Library_vcl.mk
@@ -235,6 +235,7 @@ $(eval $(call gb_Library_add_exception_objects,vcl,\
     vcl/source/gdi/octree \
     vcl/source/gdi/oldprintadaptor \
     vcl/source/outdev/outdev \
+    vcl/source/outdev/clipping \
     vcl/source/outdev/tworect \
     vcl/source/outdev/polygon \
     vcl/source/outdev/transparent \
diff --git a/vcl/source/outdev/outdev.cxx b/vcl/source/outdev/outdev.cxx
index 032ed0376dfd..1658b7e0dabe 100644
--- a/vcl/source/outdev/outdev.cxx
+++ b/vcl/source/outdev/outdev.cxx
@@ -175,27 +175,6 @@ bool OutputDevice::ImplIsAntiparallel() const
     return bRet;
 }
 
-void OutputDevice::ClipToPaintRegion(Rectangle& /*rDstRect*/)
-{
-}
-
-bool OutputDevice::ImplSelectClipRegion( const Region& rRegion, SalGraphics* pGraphics )
-{
-    DBG_TESTSOLARMUTEX();
-
-    if( !pGraphics )
-    {
-        if( !mpGraphics )
-            if( !ImplInitGraphics() )
-                return false;
-        pGraphics = mpGraphics;
-    }
-
-    bool bClipRegion = pGraphics->SetClipRegion( rRegion, this );
-    OSL_ENSURE( bClipRegion, "OutputDevice::ImplSelectClipRegion() - can't create region" );
-    return bClipRegion;
-}
-
 OutputDevice::OutputDevice() :
     maRegion(true),
     maFillColor( COL_WHITE ),
@@ -802,223 +781,6 @@ void OutputDevice::ImplInitFillColor()
     mbInitFillColor = false;
 }
 
-// TODO: fdo#74424 - this needs to be moved out of OutputDevice and into the
-// Window, VirtualDevice and Printer classes
-void OutputDevice::ImplInitClipRegion()
-{
-    DBG_TESTSOLARMUTEX();
-
-    if ( GetOutDevType() == OUTDEV_WINDOW )
-    {
-        Window* pWindow = (Window*)this;
-        Region  aRegion;
-
-        // Put back backed up background
-        if ( pWindow->mpWindowImpl->mpFrameData->mpFirstBackWin )
-            pWindow->ImplInvalidateAllOverlapBackgrounds();
-        if ( pWindow->mpWindowImpl->mbInPaint )
-            aRegion = *(pWindow->mpWindowImpl->mpPaintRegion);
-        else
-        {
-            aRegion = *(pWindow->ImplGetWinChildClipRegion());
-            // --- RTL -- only this region is in frame coordinates, so re-mirror it
-            // the mpWindowImpl->mpPaintRegion above is already correct (see ImplCallPaint()) !
-            if( ImplIsAntiparallel() )
-                ReMirror ( aRegion );
-        }
-        if ( mbClipRegion )
-            aRegion.Intersect( ImplPixelToDevicePixel( maRegion ) );
-        if ( aRegion.IsEmpty() )
-            mbOutputClipped = true;
-        else
-        {
-            mbOutputClipped = false;
-            ImplSelectClipRegion( aRegion );
-        }
-        mbClipRegionSet = true;
-    }
-    else
-    {
-        if ( mbClipRegion )
-        {
-            if ( maRegion.IsEmpty() )
-                mbOutputClipped = true;
-            else
-            {
-                mbOutputClipped = false;
-
-                // #102532# Respect output offset also for clip region
-                Region aRegion( ImplPixelToDevicePixel( maRegion ) );
-                const bool bClipDeviceBounds( ! GetPDFWriter()
-                                              && GetOutDevType() != OUTDEV_PRINTER );
-                if( bClipDeviceBounds )
-                {
-                    // Perform actual rect clip against outdev
-                    // dimensions, to generate empty clips whenever one of the
-                    // values is completely off the device.
-                    Rectangle aDeviceBounds( mnOutOffX, mnOutOffY,
-                                             mnOutOffX+GetOutputWidthPixel()-1,
-                                             mnOutOffY+GetOutputHeightPixel()-1 );
-                    aRegion.Intersect( aDeviceBounds );
-                }
-
-                if ( aRegion.IsEmpty() )
-                {
-                    mbOutputClipped = true;
-                }
-                else
-                {
-                    mbOutputClipped = false;
-                    ImplSelectClipRegion( aRegion );
-                }
-            }
-
-            mbClipRegionSet = true;
-        }
-        else
-        {
-            if ( mbClipRegionSet )
-            {
-                mpGraphics->ResetClipRegion();
-                mbClipRegionSet = false;
-            }
-
-            mbOutputClipped = false;
-        }
-    }
-
-    mbInitClipRegion = false;
-}
-
-void OutputDevice::ImplSetClipRegion( const Region* pRegion )
-{
-    DBG_TESTSOLARMUTEX();
-
-    if ( !pRegion )
-    {
-        if ( mbClipRegion )
-        {
-            maRegion            = Region(true);
-            mbClipRegion        = false;
-            mbInitClipRegion    = true;
-        }
-    }
-    else
-    {
-        maRegion            = *pRegion;
-        mbClipRegion        = true;
-        mbInitClipRegion    = true;
-    }
-}
-
-void OutputDevice::SetClipRegion()
-{
-
-    if ( mpMetaFile )
-        mpMetaFile->AddAction( new MetaClipRegionAction( Region(), false ) );
-
-    ImplSetClipRegion( NULL );
-
-    if( mpAlphaVDev )
-        mpAlphaVDev->SetClipRegion();
-}
-
-void OutputDevice::SetClipRegion( const Region& rRegion )
-{
-
-    if ( mpMetaFile )
-        mpMetaFile->AddAction( new MetaClipRegionAction( rRegion, true ) );
-
-    if ( rRegion.IsNull() )
-    {
-        ImplSetClipRegion( NULL );
-    }
-    else
-    {
-        Region aRegion = LogicToPixel( rRegion );
-        ImplSetClipRegion( &aRegion );
-    }
-
-    if( mpAlphaVDev )
-        mpAlphaVDev->SetClipRegion( rRegion );
-}
-
-Region OutputDevice::GetClipRegion() const
-{
-
-    return PixelToLogic( maRegion );
-}
-
-Region OutputDevice::GetActiveClipRegion() const
-{
-
-    if ( GetOutDevType() == OUTDEV_WINDOW )
-    {
-        Region aRegion(true);
-        Window* pWindow = (Window*)this;
-        if ( pWindow->mpWindowImpl->mbInPaint )
-        {
-            aRegion = *(pWindow->mpWindowImpl->mpPaintRegion);
-            aRegion.Move( -mnOutOffX, -mnOutOffY );
-        }
-        if ( mbClipRegion )
-            aRegion.Intersect( maRegion );
-        return PixelToLogic( aRegion );
-    }
-    else
-        return GetClipRegion();
-}
-
-void OutputDevice::MoveClipRegion( long nHorzMove, long nVertMove )
-{
-
-    if ( mbClipRegion )
-    {
-        if( mpMetaFile )
-            mpMetaFile->AddAction( new MetaMoveClipRegionAction( nHorzMove, nVertMove ) );
-
-        maRegion.Move( ImplLogicWidthToDevicePixel( nHorzMove ),
-                       ImplLogicHeightToDevicePixel( nVertMove ) );
-        mbInitClipRegion = true;
-    }
-
-    if( mpAlphaVDev )
-        mpAlphaVDev->MoveClipRegion( nHorzMove, nVertMove );
-}
-
-void OutputDevice::IntersectClipRegion( const Rectangle& rRect )
-{
-
-    if ( mpMetaFile )
-        mpMetaFile->AddAction( new MetaISectRectClipRegionAction( rRect ) );
-
-    Rectangle aRect = LogicToPixel( rRect );
-    maRegion.Intersect( aRect );
-    mbClipRegion        = true;
-    mbInitClipRegion    = true;
-
-    if( mpAlphaVDev )
-        mpAlphaVDev->IntersectClipRegion( rRect );
-}
-
-void OutputDevice::IntersectClipRegion( const Region& rRegion )
-{
-
-    if(!rRegion.IsNull())
-    {
-        if ( mpMetaFile )
-            mpMetaFile->AddAction( new MetaISectRegionClipRegionAction( rRegion ) );
-
-        Region aRegion = LogicToPixel( rRegion );
-        maRegion.Intersect( aRegion );
-        mbClipRegion        = true;
-        mbInitClipRegion    = true;
-    }
-
-    if( mpAlphaVDev )
-        mpAlphaVDev->IntersectClipRegion( rRegion );
-}
-
 void OutputDevice::SetDrawMode( sal_uLong nDrawMode )
 {