diff options
Diffstat (limited to 'drawinglayer/source/primitive2d/pagepreviewprimitive2d.cxx')
| -rw-r--r-- | drawinglayer/source/primitive2d/pagepreviewprimitive2d.cxx | 188 |
1 files changed, 188 insertions, 0 deletions
diff --git a/drawinglayer/source/primitive2d/pagepreviewprimitive2d.cxx b/drawinglayer/source/primitive2d/pagepreviewprimitive2d.cxx new file mode 100644 index 000000000000..78b973c52c00 --- /dev/null +++ b/drawinglayer/source/primitive2d/pagepreviewprimitive2d.cxx @@ -0,0 +1,188 @@ +/************************************************************************* + * + * OpenOffice.org - a multi-platform office productivity suite + * + * $RCSfile: pagepreviewprimitive2d.cxx,v $ + * + * $Revision: 1.1 $ + * + * last change: $Author: aw $ $Date: 2008-02-07 13:42:32 $ + * + * 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_PAGEPREVIEWPRIMITIVE2D_HXX +#include <drawinglayer/primitive2d/pagepreviewprimitive2d.hxx> +#endif + +#ifndef INCLUDED_DRAWINGLAYER_PRIMITIVE2D_PRIMITIVETYPES2D_HXX +#include <drawinglayer/primitive2d/drawinglayer_primitivetypes2d.hxx> +#endif + +#ifndef INCLUDED_DRAWINGLAYER_PRIMITIVE2D_MASKPRIMITIVE2D_HXX +#include <drawinglayer/primitive2d/maskprimitive2d.hxx> +#endif + +#ifndef _BGFX_POLYGON_B2DPOLYGONTOOLS_HXX +#include <basegfx/polygon/b2dpolygontools.hxx> +#endif + +#ifndef _BGFX_POLYGON_B2DPOLYGON_HXX +#include <basegfx/polygon/b2dpolygon.hxx> +#endif + +#ifndef INCLUDED_DRAWINGLAYER_PRIMITIVE2D_TRANSFORMPRIMITIVE2D_HXX +#include <drawinglayer/primitive2d/transformprimitive2d.hxx> +#endif + +////////////////////////////////////////////////////////////////////////////// + +using namespace com::sun::star; + +////////////////////////////////////////////////////////////////////////////// + +namespace drawinglayer +{ + namespace primitive2d + { + Primitive2DSequence PagePreviewPrimitive2D::createLocalDecomposition(const geometry::ViewInformation2D& rViewInformation) const + { + Primitive2DSequence xRetval; + Primitive2DSequence aContent(getChildren()); + + if(aContent.hasElements()) + { + // check if content overlaps with tageted size and needs to be embedded with a + // clipping primitive + const basegfx::B2DRange aRealContentRange(getB2DRangeFromPrimitive2DSequence(aContent, rViewInformation)); + const basegfx::B2DRange aAllowedContentRange(0.0, 0.0, getContentWidth(), getContentHeight()); + + if(!aAllowedContentRange.isInside(aRealContentRange)) + { + const Primitive2DReference xReferenceA(new MaskPrimitive2D(basegfx::B2DPolyPolygon(basegfx::tools::createPolygonFromRect(aAllowedContentRange)), aContent)); + aContent = Primitive2DSequence(&xReferenceA, 1); + } + + // content is not scaled or rotated and occupates aContentRange. Create a mapping + // to own local geometry. Create matrix describing the content by setting scaling + basegfx::B2DHomMatrix aPageTrans; + aPageTrans.set(0, 0, getContentWidth()); + aPageTrans.set(1, 1, getContentHeight()); + + // decompose to access own scaling + basegfx::B2DVector aScale, aTranslate; + double fRotate, fShearX; + getTransform().decompose(aScale, aTranslate, fRotate, fShearX); + + if(getKeepAspectRatio()) + { + // look at the aspect ratio of the content and the local geometry + const double fRatioOwn(aScale.getX() ? (aScale.getY() / aScale.getX()) : 1.0); + const double fRatioContent(getContentWidth() ? (getContentHeight() / getContentWidth()) : 1.0); + + // the ratios are based on different coordinate systems, so look if they differ really more + // than 0,1 percent + if(fabs(fRatioOwn - fRatioContent) > 0.001) + { + if(basegfx::fTools::more(fRatioOwn, fRatioContent)) + { + // vertically center the page by translating + const double fFullY(aScale.getX() ? (aScale.getY() * getContentWidth()) / aScale.getX() : 0.0); + const double fTransY((fFullY - getContentHeight()) * 0.5); + aPageTrans.set(1, 2, fTransY); + } + else + { + // horizontally center the page by translating + const double fFullX(aScale.getY() ? (aScale.getX() * getContentHeight()) / aScale.getY() : 0.0); + const double fTransX((fFullX - getContentWidth()) * 0.5); + aPageTrans.set(0, 2, fTransX); + } + } + } + + // create composed transformation from content to local geometry. An + // eventually needed clipping is already added, so directly go to local coordinates + basegfx::B2DHomMatrix aPageToObject(aPageTrans); + aPageToObject.invert(); + aPageToObject *= getTransform(); + + // embed in necessary transformation to map from SdrPage to SdrPageObject + const Primitive2DReference xReferenceB(new TransformPrimitive2D(aPageToObject, aContent)); + xRetval = Primitive2DSequence(&xReferenceB, 1); + } + + return xRetval; + } + + PagePreviewPrimitive2D::PagePreviewPrimitive2D( + const ::com::sun::star::uno::Reference< ::com::sun::star::drawing::XDrawPage >& rxDrawPage, + const basegfx::B2DHomMatrix& rTransform, + double fContentWidth, + double fContentHeight, + const Primitive2DSequence& rChildren, + bool bKeepAspectRatio) + : GroupPrimitive2D(rChildren), + mxDrawPage(rxDrawPage), + maTransform(rTransform), + mfContentWidth(fContentWidth), + mfContentHeight(fContentHeight), + mbKeepAspectRatio(bKeepAspectRatio) + { + } + + bool PagePreviewPrimitive2D::operator==(const BasePrimitive2D& rPrimitive) const + { + if(GroupPrimitive2D::operator==(rPrimitive)) + { + const PagePreviewPrimitive2D& rCompare = static_cast< const PagePreviewPrimitive2D& >(rPrimitive); + + return (getXDrawPage() == rCompare.getXDrawPage() + && getTransform() == rCompare.getTransform() + && getContentWidth() == rCompare.getContentWidth() + && getContentHeight() == rCompare.getContentHeight() + && getKeepAspectRatio() == rCompare.getKeepAspectRatio()); + } + + return false; + } + + basegfx::B2DRange PagePreviewPrimitive2D::getB2DRange(const geometry::ViewInformation2D& /*rViewInformation`*/) const + { + // nothing is allowed to stick out of a PagePreviewPrimitive, thus we + // can quickly deliver our range here + basegfx::B2DRange aRetval(0.0, 0.0, 1.0, 1.0); + aRetval.transform(getTransform()); + return aRetval; + } + + // provide unique ID + ImplPrimitrive2DIDBlock(PagePreviewPrimitive2D, PRIMITIVE2D_ID_PAGEPREVIEWPRIMITIVE2D) + + } // end of namespace primitive2d +} // end of namespace drawinglayer + +////////////////////////////////////////////////////////////////////////////// +// eof |