1 files changed, 99 insertions, 0 deletions
diff --git a/vcl/source/outdev/rect.cxx b/vcl/source/outdev/rect.cxx
index 995b8c240c43..3701354fc4df 100644
--- a/vcl/source/outdev/rect.cxx
+++ b/vcl/source/outdev/rect.cxx
@@ -121,6 +121,105 @@ void OutputDevice::DrawRect( const Rectangle& rRect,
         mpAlphaVDev->DrawRect( rRect, nHorzRound, nVertRound );
 }
 
+void OutputDevice::DrawGrid( const Rectangle& rRect, const Size& rDist, sal_uLong nFlags )
+{
+    Rectangle aDstRect( PixelToLogic( Point() ), GetOutputSize() );
+    aDstRect.Intersection( rRect );
+
+    if( aDstRect.IsEmpty() || ImplIsRecordLayout() )
+        return;
+
+    if( !mpGraphics && !AcquireGraphics() )
+        return;
+
+    if( mbInitClipRegion )
+        InitClipRegion();
+
+    if( mbOutputClipped )
+        return;
+
+    const long nDistX = std::max( rDist.Width(), 1L );
+    const long nDistY = std::max( rDist.Height(), 1L );
+    long nX = ( rRect.Left() >= aDstRect.Left() ) ? rRect.Left() : ( rRect.Left() + ( ( aDstRect.Left() - rRect.Left() ) / nDistX ) * nDistX );
+    long nY = ( rRect.Top() >= aDstRect.Top() ) ? rRect.Top() : ( rRect.Top() + ( ( aDstRect.Top() - rRect.Top() ) / nDistY ) * nDistY );
+    const long nRight = aDstRect.Right();
+    const long nBottom = aDstRect.Bottom();
+    const long nStartX = ImplLogicXToDevicePixel( nX );
+    const long nEndX = ImplLogicXToDevicePixel( nRight );
+    const long nStartY = ImplLogicYToDevicePixel( nY );
+    const long nEndY = ImplLogicYToDevicePixel( nBottom );
+    long nHorzCount = 0L;
+    long nVertCount = 0L;
+
+    css::uno::Sequence< sal_Int32 > aVertBuf;
+    css::uno::Sequence< sal_Int32 > aHorzBuf;
+
+    if( ( nFlags & GRID_DOTS ) || ( nFlags & GRID_HORZLINES ) )
+    {
+        aVertBuf.realloc( aDstRect.GetHeight() / nDistY + 2L );
+        aVertBuf[ nVertCount++ ] = nStartY;
+        while( ( nY += nDistY ) <= nBottom )
+        {
+            aVertBuf[ nVertCount++ ] = ImplLogicYToDevicePixel( nY );
+        }
+    }
+
+    if( ( nFlags & GRID_DOTS ) || ( nFlags & GRID_VERTLINES ) )
+    {
+        aHorzBuf.realloc( aDstRect.GetWidth() / nDistX + 2L );
+        aHorzBuf[ nHorzCount++ ] = nStartX;
+        while( ( nX += nDistX ) <= nRight )
+        {
+            aHorzBuf[ nHorzCount++ ] = ImplLogicXToDevicePixel( nX );
+        }
+    }
+
+    if( mbInitLineColor )
+        InitLineColor();
+
+    if( mbInitFillColor )
+        InitFillColor();
+
+    const bool bOldMap = mbMap;
+    EnableMapMode( false );
+
+    if( nFlags & GRID_DOTS )
+    {
+        for( long i = 0L; i < nVertCount; i++ )
+        {
+            for( long j = 0L, Y = aVertBuf[ i ]; j < nHorzCount; j++ )
+            {
+                mpGraphics->DrawPixel( aHorzBuf[ j ], Y, this );
+            }
+        }
+    }
+    else
+    {
+        if( nFlags & GRID_HORZLINES )
+        {
+            for( long i = 0L; i < nVertCount; i++ )
+            {
+                nY = aVertBuf[ i ];
+                mpGraphics->DrawLine( nStartX, nY, nEndX, nY, this );
+            }
+        }
+
+        if( nFlags & GRID_VERTLINES )
+        {
+            for( long i = 0L; i < nHorzCount; i++ )
+            {
+                nX = aHorzBuf[ i ];
+                mpGraphics->DrawLine( nX, nStartY, nX, nEndY, this );
+            }
+        }
+    }
+
+    EnableMapMode( bOldMap );
+
+    if( mpAlphaVDev )
+        mpAlphaVDev->DrawGrid( rRect, rDist, nFlags );
+}
+
 sal_uLong AdjustTwoRect( SalTwoRect& rTwoRect, const Size& rSizePix )
 {
     sal_uLong nMirrFlags = 0;