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 <tools/diagnose_ex.h>
22 :
23 : #include "cairo_cachedbitmap.hxx"
24 : #include "cairo_repainttarget.hxx"
25 :
26 : #include <com/sun/star/rendering/RepaintResult.hpp>
27 : #include <com/sun/star/rendering/XPolyPolygon2D.hpp>
28 :
29 : #include <basegfx/matrix/b2dhommatrix.hxx>
30 : #include <basegfx/tools/canvastools.hxx>
31 :
32 :
33 : using namespace ::cairo;
34 : using namespace ::com::sun::star;
35 :
36 : namespace cairocanvas
37 : {
38 0 : CachedBitmap::CachedBitmap( const SurfaceSharedPtr& pSurface,
39 : const rendering::ViewState& rUsedViewState,
40 : const rendering::RenderState& rUsedRenderState,
41 : const uno::Reference< rendering::XCanvas >& rTarget ) :
42 : CachedPrimitiveBase( rUsedViewState, rTarget, true ),
43 : mpSurface( pSurface ),
44 0 : maRenderState( rUsedRenderState )
45 0 : {}
46 :
47 0 : void SAL_CALL CachedBitmap::disposing()
48 : {
49 0 : ::osl::MutexGuard aGuard( m_aMutex );
50 :
51 0 : mpSurface.reset();
52 0 : CachedPrimitiveBase::disposing();
53 0 : }
54 :
55 0 : ::sal_Int8 CachedBitmap::doRedraw( const rendering::ViewState& rNewState,
56 : const rendering::ViewState& /*rOldState*/,
57 : const uno::Reference< rendering::XCanvas >& rTargetCanvas,
58 : bool bSameViewTransform )
59 : {
60 0 : ENSURE_OR_THROW( bSameViewTransform,
61 : "CachedBitmap::doRedraw(): base called with changed view transform "
62 : "(told otherwise during construction)" );
63 :
64 0 : RepaintTarget* pTarget = dynamic_cast< RepaintTarget* >(rTargetCanvas.get());
65 :
66 0 : ENSURE_OR_THROW( pTarget,
67 : "CachedBitmap::redraw(): cannot cast target to RepaintTarget" );
68 :
69 0 : if( !pTarget->repaint( mpSurface,
70 : rNewState,
71 0 : maRenderState ) )
72 : {
73 : // target failed to repaint
74 0 : return rendering::RepaintResult::FAILED;
75 : }
76 :
77 0 : return rendering::RepaintResult::REDRAWN;
78 : }
79 : }
80 :
81 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|