LCOV - code coverage report
Current view: top level - libreoffice/drawinglayer/source/primitive2d - pagepreviewprimitive2d.cxx (source / functions) Hit Total Coverage
Test: libreoffice_filtered.info Lines: 0 53 0.0 %
Date: 2012-12-27 Functions: 0 5 0.0 %
Legend: Lines: hit not hit

          Line data    Source code
       1             : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
       2             : /*
       3             :  * This file is part of the LibreOffice project.
       4             :  *
       5             :  * This Source Code Form is subject to the terms of the Mozilla Public
       6             :  * License, v. 2.0. If a copy of the MPL was not distributed with this
       7             :  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
       8             :  *
       9             :  * This file incorporates work covered by the following license notice:
      10             :  *
      11             :  *   Licensed to the Apache Software Foundation (ASF) under one or more
      12             :  *   contributor license agreements. See the NOTICE file distributed
      13             :  *   with this work for additional information regarding copyright
      14             :  *   ownership. The ASF licenses this file to you under the Apache
      15             :  *   License, Version 2.0 (the "License"); you may not use this file
      16             :  *   except in compliance with the License. You may obtain a copy of
      17             :  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
      18             :  */
      19             : 
      20             : #include <drawinglayer/primitive2d/pagepreviewprimitive2d.hxx>
      21             : #include <drawinglayer/primitive2d/drawinglayer_primitivetypes2d.hxx>
      22             : #include <drawinglayer/primitive2d/maskprimitive2d.hxx>
      23             : #include <basegfx/polygon/b2dpolygontools.hxx>
      24             : #include <basegfx/polygon/b2dpolygon.hxx>
      25             : #include <drawinglayer/primitive2d/transformprimitive2d.hxx>
      26             : #include <basegfx/matrix/b2dhommatrixtools.hxx>
      27             : 
      28             : //////////////////////////////////////////////////////////////////////////////
      29             : 
      30             : using namespace com::sun::star;
      31             : 
      32             : //////////////////////////////////////////////////////////////////////////////
      33             : 
      34             : namespace drawinglayer
      35             : {
      36             :     namespace primitive2d
      37             :     {
      38           0 :         Primitive2DSequence PagePreviewPrimitive2D::create2DDecomposition(const geometry::ViewInformation2D& rViewInformation) const
      39             :         {
      40           0 :             Primitive2DSequence xRetval;
      41           0 :             Primitive2DSequence aContent(getPageContent());
      42             : 
      43           0 :             if(aContent.hasElements()
      44           0 :                 && basegfx::fTools::more(getContentWidth(), 0.0)
      45           0 :                 && basegfx::fTools::more(getContentHeight(), 0.0))
      46             :             {
      47             :                 // the decomposed matrix will be needed
      48           0 :                 basegfx::B2DVector aScale, aTranslate;
      49             :                 double fRotate, fShearX;
      50           0 :                 getTransform().decompose(aScale, aTranslate, fRotate, fShearX);
      51             : 
      52           0 :                 if(basegfx::fTools::more(aScale.getX(), 0.0) && basegfx::fTools::more(aScale.getY(), 0.0))
      53             :                 {
      54             :                     // check if content overlaps with tageted size and needs to be embedded with a
      55             :                     // clipping primitive
      56           0 :                     const basegfx::B2DRange aRealContentRange(getB2DRangeFromPrimitive2DSequence(aContent, rViewInformation));
      57           0 :                     const basegfx::B2DRange aAllowedContentRange(0.0, 0.0, getContentWidth(), getContentHeight());
      58             : 
      59           0 :                     if(!aAllowedContentRange.isInside(aRealContentRange))
      60             :                     {
      61             :                         const Primitive2DReference xReferenceA(
      62             :                             new MaskPrimitive2D(
      63             :                                 basegfx::B2DPolyPolygon(
      64           0 :                                     basegfx::tools::createPolygonFromRect(aAllowedContentRange)), aContent));
      65           0 :                         aContent = Primitive2DSequence(&xReferenceA, 1);
      66             :                     }
      67             : 
      68             :                     // create a mapping from content to object.
      69           0 :                     basegfx::B2DHomMatrix aPageTrans;
      70             : 
      71           0 :                     if(getKeepAspectRatio())
      72             :                     {
      73             :                         // #i101075# when keeping the aspect ratio is wanted, it is necessary to calculate
      74             :                         // an equidistant scaling in X and Y and a corresponding translation to
      75             :                         // center the output. Calculate needed scale factors
      76           0 :                         const double fScaleX(aScale.getX() / getContentWidth());
      77           0 :                         const double fScaleY(aScale.getY() / getContentHeight());
      78             : 
      79             :                         // to keep the aspect, use the smaller scale and adapt missing size by translation
      80           0 :                         if(fScaleX < fScaleY)
      81             :                         {
      82             :                             // height needs to be adapted
      83           0 :                             const double fNeededHeight(aScale.getY() / fScaleX);
      84           0 :                             const double fSpaceToAdd(fNeededHeight - getContentHeight());
      85             : 
      86           0 :                             aPageTrans.translate(0.0, fSpaceToAdd * 0.5);
      87           0 :                             aPageTrans.scale(fScaleX, aScale.getY() / fNeededHeight);
      88             :                         }
      89             :                         else
      90             :                         {
      91             :                             // width needs to be adapted
      92           0 :                             const double fNeededWidth(aScale.getX() / fScaleY);
      93           0 :                             const double fSpaceToAdd(fNeededWidth - getContentWidth());
      94             : 
      95           0 :                             aPageTrans.translate(fSpaceToAdd * 0.5, 0.0);
      96           0 :                             aPageTrans.scale(aScale.getX() / fNeededWidth, fScaleY);
      97             :                         }
      98             : 
      99             :                         // add the missing object transformation aspects
     100             :                         const basegfx::B2DHomMatrix aCombined(basegfx::tools::createShearXRotateTranslateB2DHomMatrix(
     101           0 :                             fShearX, fRotate, aTranslate.getX(), aTranslate.getY()));
     102           0 :                         aPageTrans = aCombined * aPageTrans;
     103             :                     }
     104             :                     else
     105             :                     {
     106             :                         // completely scale to PageObject size. Scale to unit size.
     107           0 :                         aPageTrans.scale(1.0/ getContentWidth(), 1.0 / getContentHeight());
     108             : 
     109             :                         // apply object matrix
     110           0 :                         aPageTrans *= getTransform();
     111             :                     }
     112             : 
     113             :                     // embed in necessary transformation to map from SdrPage to SdrPageObject
     114           0 :                     const Primitive2DReference xReferenceB(new TransformPrimitive2D(aPageTrans, aContent));
     115           0 :                     xRetval = Primitive2DSequence(&xReferenceB, 1);
     116           0 :                 }
     117             :             }
     118             : 
     119           0 :             return xRetval;
     120             :         }
     121             : 
     122           0 :         PagePreviewPrimitive2D::PagePreviewPrimitive2D(
     123             :             const ::com::sun::star::uno::Reference< ::com::sun::star::drawing::XDrawPage >& rxDrawPage,
     124             :             const basegfx::B2DHomMatrix& rTransform,
     125             :             double fContentWidth,
     126             :             double fContentHeight,
     127             :             const Primitive2DSequence& rPageContent,
     128             :             bool bKeepAspectRatio)
     129             :         :   BufferedDecompositionPrimitive2D(),
     130             :             mxDrawPage(rxDrawPage),
     131             :             maPageContent(rPageContent),
     132             :             maTransform(rTransform),
     133             :             mfContentWidth(fContentWidth),
     134             :             mfContentHeight(fContentHeight),
     135           0 :             mbKeepAspectRatio(bKeepAspectRatio)
     136             :         {
     137           0 :         }
     138             : 
     139           0 :         bool PagePreviewPrimitive2D::operator==(const BasePrimitive2D& rPrimitive) const
     140             :         {
     141           0 :             if(BasePrimitive2D::operator==(rPrimitive))
     142             :             {
     143           0 :                 const PagePreviewPrimitive2D& rCompare = static_cast< const PagePreviewPrimitive2D& >(rPrimitive);
     144             : 
     145           0 :                 return (getXDrawPage() == rCompare.getXDrawPage()
     146           0 :                     && getPageContent() == rCompare.getPageContent()
     147           0 :                     && getTransform() == rCompare.getTransform()
     148           0 :                     && getContentWidth() == rCompare.getContentWidth()
     149           0 :                     && getContentHeight() == rCompare.getContentHeight()
     150           0 :                     && getKeepAspectRatio() == rCompare.getKeepAspectRatio());
     151             :             }
     152             : 
     153           0 :             return false;
     154             :         }
     155             : 
     156           0 :         basegfx::B2DRange PagePreviewPrimitive2D::getB2DRange(const geometry::ViewInformation2D& /*rViewInformation`*/) const
     157             :         {
     158             :             // nothing is allowed to stick out of a PagePreviewPrimitive, thus we
     159             :             // can quickly deliver our range here
     160           0 :             basegfx::B2DRange aRetval(0.0, 0.0, 1.0, 1.0);
     161           0 :             aRetval.transform(getTransform());
     162           0 :             return aRetval;
     163             :         }
     164             : 
     165             :         // provide unique ID
     166           0 :         ImplPrimitrive2DIDBlock(PagePreviewPrimitive2D, PRIMITIVE2D_ID_PAGEPREVIEWPRIMITIVE2D)
     167             : 
     168             :     } // end of namespace primitive2d
     169             : } // end of namespace drawinglayer
     170             : 
     171             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */

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