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Diffstat (limited to 'drawinglayer/inc/drawinglayer/primitive2d/transformprimitive2d.hxx')
-rw-r--r-- | drawinglayer/inc/drawinglayer/primitive2d/transformprimitive2d.hxx | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/drawinglayer/inc/drawinglayer/primitive2d/transformprimitive2d.hxx b/drawinglayer/inc/drawinglayer/primitive2d/transformprimitive2d.hxx new file mode 100644 index 000000000000..c488a883a9ce --- /dev/null +++ b/drawinglayer/inc/drawinglayer/primitive2d/transformprimitive2d.hxx @@ -0,0 +1,91 @@ +/************************************************************************* + * + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * Copyright 2000, 2010 Oracle and/or its affiliates. + * + * OpenOffice.org - a multi-platform office productivity suite + * + * This file is part of OpenOffice.org. + * + * OpenOffice.org is free software: you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License version 3 + * only, as published by the Free Software Foundation. + * + * OpenOffice.org 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 version 3 for more details + * (a copy is included in the LICENSE file that accompanied this code). + * + * You should have received a copy of the GNU Lesser General Public License + * version 3 along with OpenOffice.org. If not, see + * <http://www.openoffice.org/license.html> + * for a copy of the LGPLv3 License. + * + ************************************************************************/ + +#ifndef INCLUDED_DRAWINGLAYER_PRIMITIVE2D_TRANSFORMPRIMITIVE2D_HXX +#define INCLUDED_DRAWINGLAYER_PRIMITIVE2D_TRANSFORMPRIMITIVE2D_HXX + +#include <drawinglayer/primitive2d/groupprimitive2d.hxx> +#include <basegfx/matrix/b2dhommatrix.hxx> + +////////////////////////////////////////////////////////////////////////////// + +namespace drawinglayer +{ + namespace primitive2d + { + /** TransformPrimitive2D class + + This is one of the basic grouping primitives and it provides + embedding a sequence of primitives (a geometry) into a + transformation. All renderers have to handle this, usually by + building a current transformation stack (linear combination) + and applying this to all to-be-rendered geometry. If not handling + this, the output will be mostly wrong since this primitive is + widely used. + + It does transform by embedding an existing geometry into a + transformation as Child-content. This allows re-usage of the + refcounted Uno-Api primitives and their existung, buffered + decompositions. + + It could e.g. be used to show a single object geometry in 1000 + different, transformed states without the need to create those + thousand primitive contents. + */ + class TransformPrimitive2D : public GroupPrimitive2D + { + private: + // the transformation to apply to the child geometry + basegfx::B2DHomMatrix maTransformation; + + public: + /// constructor + TransformPrimitive2D( + const basegfx::B2DHomMatrix& rTransformation, + const Primitive2DSequence& rChildren); + + /// data read access + const basegfx::B2DHomMatrix& getTransformation() const { return maTransformation; } + + /// compare operator + virtual bool operator==(const BasePrimitive2D& rPrimitive) const; + + /// get range + virtual basegfx::B2DRange getB2DRange(const geometry::ViewInformation2D& rViewInformation) const; + + /// provide unique ID + DeclPrimitrive2DIDBlock() + }; + } // end of namespace primitive2d +} // end of namespace drawinglayer + +////////////////////////////////////////////////////////////////////////////// + +#endif //INCLUDED_DRAWINGLAYER_PRIMITIVE2D_TRANSFORMPRIMITIVE2D_HXX + +////////////////////////////////////////////////////////////////////////////// +// eof |