LCOV - code coverage report
Current view: top level - cppcanvas/source/mtfrenderer - bitmapaction.cxx (source / functions) Hit Total Coverage
Test: commit c8344322a7af75b84dd3ca8f78b05543a976dfd5 Lines: 23 49 46.9 %
Date: 2015-06-13 12:38:46 Functions: 6 11 54.5 %
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             : 
      21             : #include <com/sun/star/rendering/XBitmap.hpp>
      22             : #include <com/sun/star/rendering/RepaintResult.hpp>
      23             : #include <com/sun/star/rendering/XCachedPrimitive.hpp>
      24             : #include <vcl/bitmapex.hxx>
      25             : #include <tools/gen.hxx>
      26             : #include <vcl/canvastools.hxx>
      27             : #include <canvas/canvastools.hxx>
      28             : #include <basegfx/matrix/b2dhommatrix.hxx>
      29             : #include <basegfx/vector/b2dsize.hxx>
      30             : #include <basegfx/point/b2dpoint.hxx>
      31             : #include <basegfx/range/b2drange.hxx>
      32             : #include <basegfx/tools/canvastools.hxx>
      33             : #include <boost/utility.hpp>
      34             : #include "cachedprimitivebase.hxx"
      35             : #include "bitmapaction.hxx"
      36             : #include "outdevstate.hxx"
      37             : #include "mtftools.hxx"
      38             : #include <basegfx/matrix/b2dhommatrixtools.hxx>
      39             : 
      40             : 
      41             : using namespace ::com::sun::star;
      42             : 
      43             : namespace cppcanvas
      44             : {
      45             :     namespace internal
      46             :     {
      47             :         namespace
      48             :         {
      49             : 
      50           4 :             class BitmapAction : public CachedPrimitiveBase
      51             :             {
      52             :             public:
      53             :                 BitmapAction( const ::BitmapEx&,
      54             :                               const ::basegfx::B2DPoint& rDstPoint,
      55             :                               const CanvasSharedPtr&,
      56             :                               const OutDevState& );
      57             :                 BitmapAction( const ::BitmapEx&,
      58             :                               const ::basegfx::B2DPoint&  rDstPoint,
      59             :                               const ::basegfx::B2DVector& rDstSize,
      60             :                               const CanvasSharedPtr&,
      61             :                               const OutDevState& );
      62             : 
      63             :                 virtual bool renderSubset( const ::basegfx::B2DHomMatrix& rTransformation,
      64             :                                            const Subset&                  rSubset ) const SAL_OVERRIDE;
      65             : 
      66             :                 virtual ::basegfx::B2DRange getBounds( const ::basegfx::B2DHomMatrix& rTransformation ) const SAL_OVERRIDE;
      67             :                 virtual ::basegfx::B2DRange getBounds( const ::basegfx::B2DHomMatrix&   rTransformation,
      68             :                                                        const Subset&                    rSubset ) const SAL_OVERRIDE;
      69             : 
      70             :                 virtual sal_Int32 getActionCount() const SAL_OVERRIDE;
      71             : 
      72             :             private:
      73             :                 using Action::render;
      74             :                 virtual bool renderPrimitive( uno::Reference< rendering::XCachedPrimitive >& rCachedPrimitive,
      75             :                                               const ::basegfx::B2DHomMatrix&                 rTransformation ) const SAL_OVERRIDE;
      76             : 
      77             :                 uno::Reference< rendering::XBitmap >                    mxBitmap;
      78             :                 CanvasSharedPtr                                         mpCanvas;
      79             :                 rendering::RenderState                                  maState;
      80             :             };
      81             : 
      82             : 
      83           0 :             BitmapAction::BitmapAction( const ::BitmapEx&          rBmpEx,
      84             :                                         const ::basegfx::B2DPoint& rDstPoint,
      85             :                                         const CanvasSharedPtr&     rCanvas,
      86             :                                         const OutDevState&         rState ) :
      87             :                 CachedPrimitiveBase( rCanvas, true ),
      88           0 :                 mxBitmap( vcl::unotools::xBitmapFromBitmapEx( rCanvas->getUNOCanvas()->getDevice(),
      89             :                                                                 rBmpEx ) ),
      90             :                 mpCanvas( rCanvas ),
      91           0 :                 maState()
      92             :             {
      93           0 :                 tools::initRenderState(maState,rState);
      94             : 
      95             :                 // Setup transformation such that the next render call is
      96             :                 // moved rPoint away.
      97           0 :                 const basegfx::B2DHomMatrix aLocalTransformation(basegfx::tools::createTranslateB2DHomMatrix(rDstPoint));
      98             :                 ::canvas::tools::appendToRenderState( maState,
      99           0 :                                                       aLocalTransformation );
     100             : 
     101             :                 // correct clip (which is relative to original transform)
     102             :                 tools::modifyClip( maState,
     103             :                                    rState,
     104             :                                    rCanvas,
     105             :                                    rDstPoint,
     106             :                                    NULL,
     107           0 :                                    NULL );
     108           0 :             }
     109             : 
     110           2 :             BitmapAction::BitmapAction( const ::BitmapEx&           rBmpEx,
     111             :                                         const ::basegfx::B2DPoint&  rDstPoint,
     112             :                                         const ::basegfx::B2DVector& rDstSize,
     113             :                                         const CanvasSharedPtr&      rCanvas,
     114             :                                         const OutDevState&          rState      ) :
     115             :                 CachedPrimitiveBase( rCanvas, true ),
     116           4 :                 mxBitmap( vcl::unotools::xBitmapFromBitmapEx( rCanvas->getUNOCanvas()->getDevice(),
     117             :                                                                 rBmpEx ) ),
     118             :                 mpCanvas( rCanvas ),
     119           6 :                 maState()
     120             :             {
     121           2 :                 tools::initRenderState(maState,rState);
     122             : 
     123             :                 // Setup transformation such that the next render call is
     124             :                 // moved rPoint away, and scaled according to the ratio
     125             :                 // given by src and dst size.
     126           2 :                 const ::Size aBmpSize( rBmpEx.GetSizePixel() );
     127             : 
     128           2 :                 const ::basegfx::B2DVector aScale( rDstSize.getX() / aBmpSize.Width(),
     129           4 :                                                    rDstSize.getY() / aBmpSize.Height() );
     130             :                 const basegfx::B2DHomMatrix aLocalTransformation(basegfx::tools::createScaleTranslateB2DHomMatrix(
     131           4 :                     aScale, rDstPoint));
     132           2 :                 ::canvas::tools::appendToRenderState( maState, aLocalTransformation );
     133             : 
     134             :                 // correct clip (which is relative to original transform)
     135             :                 tools::modifyClip( maState,
     136             :                                    rState,
     137             :                                    rCanvas,
     138             :                                    rDstPoint,
     139             :                                    &aScale,
     140           4 :                                    NULL );
     141           2 :             }
     142             : 
     143           2 :             bool BitmapAction::renderPrimitive( uno::Reference< rendering::XCachedPrimitive >& rCachedPrimitive,
     144             :                                                 const ::basegfx::B2DHomMatrix&                 rTransformation ) const
     145             :             {
     146             :                 SAL_INFO( "cppcanvas.emf", "::cppcanvas::internal::BitmapAction::renderPrimitive()" );
     147             :                 SAL_INFO( "cppcanvas.emf", "::cppcanvas::internal::BitmapAction: 0x" << std::hex << this );
     148             : 
     149           2 :                 rendering::RenderState aLocalState( maState );
     150           2 :                 ::canvas::tools::prependToRenderState(aLocalState, rTransformation);
     151             : 
     152           6 :                 rCachedPrimitive = mpCanvas->getUNOCanvas()->drawBitmap( mxBitmap,
     153           2 :                                                                          mpCanvas->getViewState(),
     154           4 :                                                                          aLocalState );
     155             : 
     156           2 :                 return true;
     157             :             }
     158             : 
     159           0 :             bool BitmapAction::renderSubset( const ::basegfx::B2DHomMatrix&   rTransformation,
     160             :                                              const Subset&                    rSubset ) const
     161             :             {
     162             :                 // bitmap only contains a single action, fail if subset
     163             :                 // requests different range
     164           0 :                 if( rSubset.mnSubsetBegin != 0 ||
     165           0 :                     rSubset.mnSubsetEnd != 1 )
     166           0 :                     return false;
     167             : 
     168           0 :                 return CachedPrimitiveBase::render( rTransformation );
     169             :             }
     170             : 
     171           0 :             ::basegfx::B2DRange BitmapAction::getBounds( const ::basegfx::B2DHomMatrix& rTransformation ) const
     172             :             {
     173           0 :                 rendering::RenderState aLocalState( maState );
     174           0 :                 ::canvas::tools::prependToRenderState(aLocalState, rTransformation);
     175             : 
     176           0 :                 const geometry::IntegerSize2D aSize( mxBitmap->getSize() );
     177             : 
     178             :                 return tools::calcDevicePixelBounds( ::basegfx::B2DRange( 0,0,
     179             :                                                                           aSize.Width,
     180             :                                                                           aSize.Height ),
     181           0 :                                                      mpCanvas->getViewState(),
     182           0 :                                                      aLocalState );
     183             :             }
     184             : 
     185           0 :             ::basegfx::B2DRange BitmapAction::getBounds( const ::basegfx::B2DHomMatrix& rTransformation,
     186             :                                                          const Subset&                  rSubset ) const
     187             :             {
     188             :                 // bitmap only contains a single action, empty bounds
     189             :                 // if subset requests different range
     190           0 :                 if( rSubset.mnSubsetBegin != 0 ||
     191           0 :                     rSubset.mnSubsetEnd != 1 )
     192           0 :                     return ::basegfx::B2DRange();
     193             : 
     194           0 :                 return getBounds( rTransformation );
     195             :             }
     196             : 
     197           2 :             sal_Int32 BitmapAction::getActionCount() const
     198             :             {
     199           2 :                 return 1;
     200             :             }
     201             :         }
     202             : 
     203           0 :         ActionSharedPtr BitmapActionFactory::createBitmapAction( const ::BitmapEx&          rBmpEx,
     204             :                                                                  const ::basegfx::B2DPoint& rDstPoint,
     205             :                                                                  const CanvasSharedPtr&     rCanvas,
     206             :                                                                  const OutDevState&         rState )
     207             :         {
     208             :             return ActionSharedPtr( new BitmapAction(rBmpEx,
     209             :                                                      rDstPoint,
     210             :                                                      rCanvas,
     211           0 :                                                      rState ) );
     212             :         }
     213             : 
     214           2 :         ActionSharedPtr BitmapActionFactory::createBitmapAction( const ::BitmapEx&           rBmpEx,
     215             :                                                                  const ::basegfx::B2DPoint&  rDstPoint,
     216             :                                                                  const ::basegfx::B2DVector& rDstSize,
     217             :                                                                  const CanvasSharedPtr&      rCanvas,
     218             :                                                                  const OutDevState&          rState )
     219             :         {
     220             :             return ActionSharedPtr( new BitmapAction(rBmpEx,
     221             :                                                      rDstPoint,
     222             :                                                      rDstSize,
     223             :                                                      rCanvas,
     224           2 :                                                      rState ) );
     225             :         }
     226             :     }
     227             : }
     228             : 
     229             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */

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