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Diffstat (limited to 'drawinglayer/source/primitive2d/unifiedalphaprimitive2d.cxx')
-rw-r--r-- | drawinglayer/source/primitive2d/unifiedalphaprimitive2d.cxx | 121 |
1 files changed, 0 insertions, 121 deletions
diff --git a/drawinglayer/source/primitive2d/unifiedalphaprimitive2d.cxx b/drawinglayer/source/primitive2d/unifiedalphaprimitive2d.cxx deleted file mode 100644 index 15aaf18fb58d..000000000000 --- a/drawinglayer/source/primitive2d/unifiedalphaprimitive2d.cxx +++ /dev/null @@ -1,121 +0,0 @@ -/************************************************************************* - * - * 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. - * - ************************************************************************/ - -// MARKER(update_precomp.py): autogen include statement, do not remove -#include "precompiled_drawinglayer.hxx" - -#include <drawinglayer/primitive2d/unifiedalphaprimitive2d.hxx> -#include <basegfx/polygon/b2dpolygon.hxx> -#include <basegfx/polygon/b2dpolygontools.hxx> -#include <basegfx/color/bcolor.hxx> -#include <drawinglayer/primitive2d/polypolygonprimitive2d.hxx> -#include <drawinglayer/primitive2d/alphaprimitive2d.hxx> -#include <drawinglayer/primitive2d/drawinglayer_primitivetypes2d.hxx> -#include <drawinglayer/primitive2d/polygonprimitive2d.hxx> - -////////////////////////////////////////////////////////////////////////////// - -using namespace com::sun::star; - -////////////////////////////////////////////////////////////////////////////// - -namespace drawinglayer -{ - namespace primitive2d - { - UnifiedAlphaPrimitive2D::UnifiedAlphaPrimitive2D( - const Primitive2DSequence& rChildren, - double fAlpha) - : GroupPrimitive2D(rChildren), - mfAlpha(fAlpha) - { - } - - bool UnifiedAlphaPrimitive2D::operator==(const BasePrimitive2D& rPrimitive) const - { - if(GroupPrimitive2D::operator==(rPrimitive)) - { - const UnifiedAlphaPrimitive2D& rCompare = (UnifiedAlphaPrimitive2D&)rPrimitive; - - return (getAlpha() == rCompare.getAlpha()); - } - - return false; - } - - Primitive2DSequence UnifiedAlphaPrimitive2D::get2DDecomposition(const geometry::ViewInformation2D& rViewInformation) const - { - if(0.0 == getAlpha()) - { - // no transparence used, so just use the content - return getChildren(); - } - else if(getAlpha() > 0.0 && getAlpha() < 1.0) - { - // The idea is to create a AlphaPrimitive2D with alpha content using a fill color - // corresponding to the alpha value. Problem is that in most systems, the right - // and bottom pixel array is not filled when filling polygons, thus this would not - // always produce a complete alpha bitmap. There are some solutions: - // - // - Grow the used polygon range by one discrete unit in X and Y. This - // will make the decomposition view-dependent. - // - // - For all filled polygon renderings, dra wthe polygon outline extra. This - // would lead to unwanted side effects when using concatenated polygons. - // - // - At this decomposition, add a filled polygon and a hairline polygon. This - // solution stays view-independent. - // - // I will take the last one here. The small overhead of two primitives will only be - // used when UnifiedAlphaPrimitive2D is not handled directly. - const basegfx::B2DRange aPolygonRange(getB2DRangeFromPrimitive2DSequence(getChildren(), rViewInformation)); - const basegfx::B2DPolygon aPolygon(basegfx::tools::createPolygonFromRect(aPolygonRange)); - const basegfx::BColor aGray(getAlpha(), getAlpha(), getAlpha()); - Primitive2DSequence aAlphaContent(2); - - aAlphaContent[0] = Primitive2DReference(new PolyPolygonColorPrimitive2D(basegfx::B2DPolyPolygon(aPolygon), aGray)); - aAlphaContent[1] = Primitive2DReference(new PolygonHairlinePrimitive2D(aPolygon, aGray)); - - // create sub-transparence group with a gray-colored rectangular fill polygon - const Primitive2DReference xRefB(new AlphaPrimitive2D(getChildren(), aAlphaContent)); - return Primitive2DSequence(&xRefB, 1L); - } - else - { - // completely transparent or invalid definition, add nothing - return Primitive2DSequence(); - } - } - - // provide unique ID - ImplPrimitrive2DIDBlock(UnifiedAlphaPrimitive2D, PRIMITIVE2D_ID_UNIFIEDALPHAPRIMITIVE2D) - - } // end of namespace primitive2d -} // end of namespace drawinglayer - -////////////////////////////////////////////////////////////////////////////// -// eof |