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| author | Thorsten Behrens <tbehrens@suse.com> | 2013-01-23 11:42:55 +0100 |
|---|---|---|
| committer | Thorsten Behrens <tbehrens@suse.com> | 2013-01-23 20:44:11 +0100 |
| commit | fbdd9b181e59a0510fc5e7dcb56fac8e0dc6bb8f (patch) | |
| tree | b09f518628fb8108b34fb876e48e3dc9e05a63d3 /vcl | |
| parent | 85e7a0f6cd9b311e6734e747b03ad0a736ff6dbd (diff) | |
Fix fdo#59616 - ensure BitmapEx has same-sized subbitmaps
Lots of code relies on the fact that the two bitmaps inside a
BitmapEx actually have the same size. Enforce that convention during
import.
Change-Id: I436ccc33b06c627cd6347747d22c24bfaf7ca932
Diffstat (limited to 'vcl')
| -rw-r--r-- | vcl/source/gdi/bitmapex.cxx | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/vcl/source/gdi/bitmapex.cxx b/vcl/source/gdi/bitmapex.cxx index e717d0b1c245..f6994320058a 100644 --- a/vcl/source/gdi/bitmapex.cxx +++ b/vcl/source/gdi/bitmapex.cxx @@ -806,6 +806,24 @@ SvStream& operator>>( SvStream& rIStm, BitmapEx& rBitmapEx ) if( !!aMask) { + // fdo#59616 enforce same size for both mask and content + if( aMask.GetSizePixel() != aBmp.GetSizePixel() ) + { + Bitmap aNewMask; + const Size aNominalSize=aBmp.GetSizePixel(); + BitmapReadAccess aAcc(aMask); + if( aAcc.HasPalette() ) + aNewMask = Bitmap(aNominalSize, + aMask.GetBitCount(), + &aAcc.GetPalette()); + else + aNewMask = Bitmap(aNominalSize, + aMask.GetBitCount()); + const Rectangle aCopyArea(Point(0,0), aNominalSize); + aNewMask.CopyPixel(aCopyArea, aCopyArea, &aMask); + aMask = aNewMask; + } + // do we have an alpha mask? if( ( 8 == aMask.GetBitCount() ) && aMask.HasGreyPalette() ) { |