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Diffstat (limited to 'drawinglayer/inc/drawinglayer/primitive2d/gridprimitive2d.hxx')
| -rw-r--r-- | drawinglayer/inc/drawinglayer/primitive2d/gridprimitive2d.hxx | 129 |
1 files changed, 129 insertions, 0 deletions
diff --git a/drawinglayer/inc/drawinglayer/primitive2d/gridprimitive2d.hxx b/drawinglayer/inc/drawinglayer/primitive2d/gridprimitive2d.hxx new file mode 100644 index 000000000000..edb7f43417c3 --- /dev/null +++ b/drawinglayer/inc/drawinglayer/primitive2d/gridprimitive2d.hxx @@ -0,0 +1,129 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/************************************************************************* + * + * 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_GRIDPRIMITIVE2D_HXX +#define INCLUDED_DRAWINGLAYER_PRIMITIVE2D_GRIDPRIMITIVE2D_HXX + +#include <drawinglayer/primitive2d/baseprimitive2d.hxx> +#include <basegfx/matrix/b2dhommatrix.hxx> +#include <basegfx/color/bcolor.hxx> +#include <vcl/bitmapex.hxx> + +////////////////////////////////////////////////////////////////////////////// +// GridPrimitive2D class + +namespace drawinglayer +{ + namespace primitive2d + { + /** GridPrimitive2D class + + This primitive is specialized to Grid visualisation. The graphic definition + (Transform) contains the whole grid area, but will of course be combined + with the visible area (Viewport) when decomposed. Also a reolution-dependent + point reduction is used to not create too much grid visualisation data. This + makes this primitive highly view-dependent and it dynamically buffers + the last decomposition dependent from the Viewport used. + */ + class GridPrimitive2D : public BufferedDecompositionPrimitive2D + { + private: + /// The geometry definition for the grid area + basegfx::B2DHomMatrix maTransform; + + /// grid layout definitions + double mfWidth; + double mfHeight; + double mfSmallestViewDistance; + double mfSmallestSubdivisionViewDistance; + sal_uInt32 mnSubdivisionsX; + sal_uInt32 mnSubdivisionsY; + + /// Grid color for single-pixel grid points + basegfx::BColor maBColor; + + /// The Bitmap (with transparence) for grid cross points + BitmapEx maCrossMarker; + + /** the last used object to view transformtion and the last Viewport, + used from getDecomposition for decide buffering + */ + basegfx::B2DHomMatrix maLastObjectToViewTransformation; + basegfx::B2DRange maLastViewport; + + protected: + /// create local decomposition + virtual Primitive2DSequence create2DDecomposition(const geometry::ViewInformation2D& rViewInformation) const; + + public: + /// constructor + GridPrimitive2D( + const basegfx::B2DHomMatrix& rTransform, + double fWidth, + double fHeight, + double fSmallestViewDistance, + double fSmallestSubdivisionViewDistance, + sal_uInt32 nSubdivisionsX, + sal_uInt32 nSubdivisionsY, + const basegfx::BColor& rBColor, + const BitmapEx& rCrossMarker); + + /// data read access + const basegfx::B2DHomMatrix& getTransform() const { return maTransform; } + double getWidth() const { return mfWidth; } + double getHeight() const { return mfHeight; } + double getSmallestViewDistance() const { return mfSmallestViewDistance; } + double getSmallestSubdivisionViewDistance() const { return mfSmallestSubdivisionViewDistance; } + sal_uInt32 getSubdivisionsX() const { return mnSubdivisionsX; } + sal_uInt32 getSubdivisionsY() const { return mnSubdivisionsY; } + const basegfx::BColor& getBColor() const { return maBColor; } + const BitmapEx& getCrossMarker() const { return maCrossMarker; } + + /// compare operator + virtual bool operator==(const BasePrimitive2D& rPrimitive) const; + + /// get 2d range + virtual basegfx::B2DRange getB2DRange(const geometry::ViewInformation2D& rViewInformation) const; + + /// provide unique ID + DeclPrimitrive2DIDBlock() + + /// Overload standard getDecomposition call to be view-dependent here + virtual Primitive2DSequence get2DDecomposition(const geometry::ViewInformation2D& rViewInformation) const; + }; + } // end of namespace primitive2d +} // end of namespace drawinglayer + +////////////////////////////////////////////////////////////////////////////// + +#endif //INCLUDED_DRAWINGLAYER_PRIMITIVE2D_GRIDPRIMITIVE2D_HXX + +////////////////////////////////////////////////////////////////////////////// +// eof + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |