LCOV - code coverage report
Current view: top level - canvas/source/cairo - cairo_spritehelper.cxx (source / functions) Hit Total Coverage
Test: commit e02a6cb2c3e2b23b203b422e4e0680877f232636 Lines: 0 59 0.0 %
Date: 2014-04-14 Functions: 0 8 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 <canvas/debug.hxx>
      21             : #include <canvas/verbosetrace.hxx>
      22             : #include <tools/diagnose_ex.h>
      23             : 
      24             : #include <rtl/math.hxx>
      25             : 
      26             : #include <canvas/canvastools.hxx>
      27             : 
      28             : #include <basegfx/matrix/b2dhommatrix.hxx>
      29             : #include <basegfx/point/b2dpoint.hxx>
      30             : #include <basegfx/tools/canvastools.hxx>
      31             : #include <basegfx/numeric/ftools.hxx>
      32             : #include <basegfx/polygon/b2dpolypolygontools.hxx>
      33             : #include <basegfx/polygon/b2dpolygontools.hxx>
      34             : #include <basegfx/polygon/b2dpolygontriangulator.hxx>
      35             : #include <basegfx/polygon/b2dpolygoncutandtouch.hxx>
      36             : 
      37             : #include "cairo_canvascustomsprite.hxx"
      38             : #include "cairo_spritehelper.hxx"
      39             : 
      40             : using namespace ::cairo;
      41             : using namespace ::com::sun::star;
      42             : 
      43             : namespace cairocanvas
      44             : {
      45           0 :     SpriteHelper::SpriteHelper() :
      46             :         mpSpriteCanvas(),
      47             :         mpBufferSurface(),
      48           0 :         mbTextureDirty(true)
      49           0 :     {}
      50             : 
      51           0 :     void SpriteHelper::init( const geometry::RealSize2D& rSpriteSize,
      52             :                              const SpriteCanvasRef&      rSpriteCanvas )
      53             :     {
      54           0 :         ENSURE_OR_THROW( rSpriteCanvas.get(),
      55             :                           "SpriteHelper::init(): Invalid device, sprite canvas or surface" );
      56             : 
      57           0 :         mpSpriteCanvas     = rSpriteCanvas;
      58           0 :         mbTextureDirty     = true;
      59             : 
      60             :         // also init base class
      61             :         CanvasCustomSpriteHelper::init( rSpriteSize,
      62           0 :                                         rSpriteCanvas.get() );
      63           0 :     }
      64             : 
      65           0 :     void SpriteHelper::setSurface( const SurfaceSharedPtr& pBufferSurface )
      66             :     {
      67           0 :         mpBufferSurface = pBufferSurface;
      68           0 :     }
      69             : 
      70           0 :     void SpriteHelper::disposing()
      71             :     {
      72           0 :         mpBufferSurface.reset();
      73           0 :         mpSpriteCanvas.clear();
      74             : 
      75             :         // forward to parent
      76           0 :         CanvasCustomSpriteHelper::disposing();
      77           0 :     }
      78             : 
      79           0 :     void SpriteHelper::redraw( const CairoSharedPtr&      pCairo,
      80             :                                const ::basegfx::B2DPoint& rPos,
      81             :                                bool&                      /*io_bSurfacesDirty*/,
      82             :                                bool                       /*bBufferedUpdate*/ ) const
      83             :     {
      84             : #ifdef CAIRO_CANVAS_PERF_TRACE
      85             :         struct timespec aTimer;
      86             :         mxDevice->startPerfTrace( &aTimer );
      87             : #endif
      88             : 
      89           0 :         const double fAlpha( getAlpha() );
      90           0 :         const ::basegfx::B2DHomMatrix aTransform( getTransformation() );
      91             : 
      92           0 :         if( isActive() && !::basegfx::fTools::equalZero( fAlpha ) )
      93             :         {
      94             :             SAL_INFO( "canvas.cairo", "CanvasCustomSprite::redraw called");
      95           0 :             if( pCairo )
      96             :             {
      97           0 :                 basegfx::B2DVector aSize = getSizePixel();
      98           0 :                 cairo_save( pCairo.get() );
      99             : 
     100             :                 double fX, fY;
     101             : 
     102           0 :                 fX = rPos.getX();
     103           0 :                 fY = rPos.getY();
     104             : 
     105           0 :                 if( !aTransform.isIdentity() )
     106             :                 {
     107             :                     cairo_matrix_t aMatrix, aInverseMatrix;
     108             :                     cairo_matrix_init( &aMatrix,
     109             :                                        aTransform.get( 0, 0 ), aTransform.get( 1, 0 ), aTransform.get( 0, 1 ),
     110           0 :                                        aTransform.get( 1, 1 ), aTransform.get( 0, 2 ), aTransform.get( 1, 2 ) );
     111             : 
     112           0 :                     aMatrix.x0 = basegfx::fround( aMatrix.x0 );
     113           0 :                     aMatrix.y0 = basegfx::fround( aMatrix.y0 );
     114             : 
     115           0 :                     cairo_matrix_init( &aInverseMatrix, aMatrix.xx, aMatrix.yx, aMatrix.xy, aMatrix.yy, aMatrix.x0, aMatrix.y0 );
     116           0 :                     cairo_matrix_invert( &aInverseMatrix );
     117           0 :                     cairo_matrix_transform_distance( &aInverseMatrix, &fX, &fY );
     118             : 
     119           0 :                     cairo_set_matrix( pCairo.get(), &aMatrix );
     120             :                 }
     121             : 
     122           0 :                 fX = basegfx::fround( fX );
     123           0 :                 fY = basegfx::fround( fY );
     124             : 
     125             :                 cairo_matrix_t aOrigMatrix;
     126           0 :                 cairo_get_matrix( pCairo.get(), &aOrigMatrix );
     127           0 :                 cairo_translate( pCairo.get(), fX, fY );
     128             : 
     129           0 :                 if( getClip().is() )
     130             :                 {
     131           0 :                     const uno::Reference<rendering::XPolyPolygon2D>& rClip( getClip() );
     132             : 
     133             :                     ::basegfx::B2DPolyPolygon aClipPoly(
     134             :                         ::basegfx::unotools::b2DPolyPolygonFromXPolyPolygon2D(
     135           0 :                             rClip ));
     136             : 
     137             :                     doPolyPolygonImplementation( aClipPoly, Clip, pCairo.get(),
     138           0 :                                                  NULL, SurfaceProviderRef(mpSpriteCanvas.get()),
     139           0 :                                                  rClip->getFillRule() );
     140             :                 }
     141             : 
     142             :                 SAL_INFO( "canvas.cairo","aSize " << aSize.getX() << " x " << aSize.getY() << " position: " << fX << "," << fY );
     143           0 :                 cairo_rectangle( pCairo.get(), 0, 0, floor( aSize.getX() ), floor( aSize.getY() ) );
     144           0 :                 cairo_clip( pCairo.get() );
     145           0 :                 cairo_set_matrix( pCairo.get(), &aOrigMatrix );
     146             : 
     147           0 :                 if( isContentFullyOpaque() )
     148           0 :                     cairo_set_operator( pCairo.get(), CAIRO_OPERATOR_SOURCE );
     149             :                 cairo_set_source_surface( pCairo.get(),
     150           0 :                                           mpBufferSurface->getCairoSurface().get(),
     151           0 :                                           fX, fY );
     152           0 :                 if( ::rtl::math::approxEqual( fAlpha, 1.0 ) )
     153           0 :                     cairo_paint( pCairo.get() );
     154             :                 else
     155           0 :                     cairo_paint_with_alpha( pCairo.get(), fAlpha );
     156             : 
     157           0 :                 cairo_restore( pCairo.get() );
     158             :             }
     159           0 :         }
     160             : 
     161             : #ifdef CAIRO_CANVAS_PERF_TRACE
     162             :         mxDevice->stopPerfTrace( &aTimer, "sprite redraw" );
     163             : #endif
     164           0 :     }
     165             : 
     166           0 :     ::basegfx::B2DPolyPolygon SpriteHelper::polyPolygonFromXPolyPolygon2D( uno::Reference< rendering::XPolyPolygon2D >& xPoly ) const
     167             :     {
     168           0 :         return ::basegfx::unotools::b2DPolyPolygonFromXPolyPolygon2D(xPoly);
     169             :     }
     170           0 : }
     171             : 
     172             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */

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