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Diffstat (limited to 'drawinglayer/inc/drawinglayer/primitive2d/transparenceprimitive2d.hxx')
-rw-r--r-- | drawinglayer/inc/drawinglayer/primitive2d/transparenceprimitive2d.hxx | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/drawinglayer/inc/drawinglayer/primitive2d/transparenceprimitive2d.hxx b/drawinglayer/inc/drawinglayer/primitive2d/transparenceprimitive2d.hxx new file mode 100644 index 000000000000..85032d0bd202 --- /dev/null +++ b/drawinglayer/inc/drawinglayer/primitive2d/transparenceprimitive2d.hxx @@ -0,0 +1,103 @@ +/************************************************************************* + * + * OpenOffice.org - a multi-platform office productivity suite + * + * $RCSfile: alphaprimitive2d.hxx,v $ + * + * $Revision: 1.3 $ + * + * last change: $Author: aw $ $Date: 2008-05-27 14:11:16 $ + * + * The Contents of this file are made available subject to + * the terms of GNU Lesser General Public License Version 2.1. + * + * + * GNU Lesser General Public License Version 2.1 + * ============================================= + * Copyright 2005 by Sun Microsystems, Inc. + * 901 San Antonio Road, Palo Alto, CA 94303, USA + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License version 2.1, as published by the Free Software Foundation. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + * + ************************************************************************/ + +#ifndef INCLUDED_DRAWINGLAYER_PRIMITIVE2D_TRANSPARENCEPRIMITIVE2D_HXX +#define INCLUDED_DRAWINGLAYER_PRIMITIVE2D_TRANSPARENCEPRIMITIVE2D_HXX + +#include <drawinglayer/primitive2d/groupprimitive2d.hxx> + +////////////////////////////////////////////////////////////////////////////// + +namespace drawinglayer +{ + namespace primitive2d + { + /** TransparencePrimitive2D class + + This is the basic primitive for applying freely defined transparence + to freely defined content. The basic idea is to associate a content + which is defined as a sequence of primitives and hold as child content + in the GroupPrimitive2D with a transparence channel also defined as a sequence + of primitives and hold in the transparence member. + + The basic definition is to use the transparence content as transparence-Mask by + interpreting the transparence-content not as RGB, but as Luminance transparence mask + using the common RGB_to_luminance definition as e.g. used by VCL. + + The defining geometry is the Range of the child primitive sequence, + this means the renderers will/shall use this geometric information for + rendering, not the transparent one. The transparent one should/will be clipped + accordingly. + */ + class TransparencePrimitive2D : public GroupPrimitive2D + { + private: + /// The transparence-Mask who's RGB-Values are interpreted as Luminance + Primitive2DSequence maTransparence; + + public: + /** constructor + + @param rChildren + The content which is defined to have a transparency. The + range of this primitive is defined by this content + + @param rTransparence + The definition of the Transparence-channel for this primitive. It + will be interpreted as mask by interpreting as gray values + using the common RGB_to_luminance definitions + */ + TransparencePrimitive2D( + const Primitive2DSequence& rChildren, + const Primitive2DSequence& rTransparence); + + /// data read access + const Primitive2DSequence& getTransparence() const { return maTransparence; } + + /// compare operator + virtual bool operator==(const BasePrimitive2D& rPrimitive) const; + + /// provide unique ID + DeclPrimitrive2DIDBlock() + }; + } // end of namespace primitive2d +} // end of namespace drawinglayer + +////////////////////////////////////////////////////////////////////////////// + +#endif //INCLUDED_DRAWINGLAYER_PRIMITIVE2D_TRANSPARENCEPRIMITIVE2D_HXX + +////////////////////////////////////////////////////////////////////////////// +// eof |