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Implement smoothNeeded() - window quads need smoothing if width or height

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of some of them has changed.


svn path=/trunk/KDE/kdebase/workspace/; revision=689942
This commit is contained in:
Luboš Luňák 2007-07-19 15:55:04 +00:00
parent dbade7f1a4
commit 023ebc47b1
2 changed files with 14 additions and 1 deletions
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14
lib/kwineffects.cpp
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@ -355,6 +355,15 @@ WindowQuad WindowQuad::makeSubQuad( float x1, float y1, float x2, float y2 ) con
return ret;
}
bool WindowQuad::smoothNeeded() const
{
// smoothing is needed if the width or height of the quad does not match the original size
float width = verts[ 1 ].ox - verts[ 0 ].ox;
float height = verts[ 2 ].oy - verts[ 1 ].oy;
return( verts[ 1 ].px - verts[ 0 ].px != width || verts[ 2 ].px - verts[ 3 ].px != width
|| verts[ 2 ].py - verts[ 1 ].py != height || verts[ 3 ].py - verts[ 0 ].py != height );
}
/***************************************************************
WindowQuadList
***************************************************************/
@ -510,7 +519,10 @@ WindowQuadList WindowQuadList::filterOut( WindowQuadType type ) const
bool WindowQuadList::smoothNeeded() const
{
return false; // TODO
foreach( WindowQuad q, *this )
if( q.smoothNeeded())
return true;
return false;
}
} // namespace

1
lib/kwineffects.h
View file

@ -409,6 +409,7 @@ class KWIN_EXPORT WindowQuad
float originalRight() const;
float originalTop() const;
float originalBottom() const;
bool smoothNeeded() const;
private:
friend class WindowQuadList;
void checkUntransformed() const;