LibreOffice Module canvas (master) 1
cachedbitmap.cxx
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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 <sal/config.h>
21
22#include <com/sun/star/rendering/XCanvas.hpp>
23#include <com/sun/star/rendering/RepaintResult.hpp>
24#include <utility>
26
27#include "cachedbitmap.hxx"
28#include "repainttarget.hxx"
29
30
31using namespace ::com::sun::star;
32
33namespace vclcanvas
34{
36 const ::Point& rPoint,
37 const ::Size& rSize,
38 const GraphicAttr& rAttr,
39 const rendering::ViewState& rUsedViewState,
40 rendering::RenderState aUsedRenderState,
41 const uno::Reference< rendering::XCanvas >& rTarget ) :
42 CachedPrimitiveBase( rUsedViewState, rTarget ),
43 mpGraphicObject(std::move( xGraphicObject )),
44 maRenderState(std::move(aUsedRenderState)),
45 maPoint( rPoint ),
46 maSize( rSize ),
47 maAttributes( rAttr )
48 {
49 }
50
51 void CachedBitmap::disposing(std::unique_lock<std::mutex>& rGuard)
52 {
53 mpGraphicObject.reset();
54
55 CachedPrimitiveBase::disposing(rGuard);
56 }
57
58 ::sal_Int8 CachedBitmap::doRedraw( const rendering::ViewState& rNewState,
59 const rendering::ViewState& rOldState,
60 const uno::Reference< rendering::XCanvas >& rTargetCanvas,
61 bool bSameViewTransform )
62 {
63 ENSURE_OR_THROW( bSameViewTransform,
64 "CachedBitmap::doRedraw(): base called with changed view transform "
65 "(told otherwise during construction)" );
66
67 // TODO(P1): Could adapt to modified clips as well
68 if( rNewState.Clip != rOldState.Clip )
69 return rendering::RepaintResult::FAILED;
70
71 RepaintTarget* pTarget = dynamic_cast< RepaintTarget* >(rTargetCanvas.get());
72
73 ENSURE_OR_THROW( pTarget,
74 "CachedBitmap::redraw(): cannot cast target to RepaintTarget" );
75
76 if( !pTarget->repaint( mpGraphicObject,
77 rNewState,
78 maRenderState,
79 maPoint,
80 maSize,
81 maAttributes ) )
82 {
83 // target failed to repaint
84 return rendering::RepaintResult::FAILED;
85 }
86
87 return rendering::RepaintResult::REDRAWN;
88 }
89}
90
91/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
B2DPoint maPoint
CachedBitmap(GraphicObjectSharedPtr xGraphicObject, const ::Point &rPoint, const ::Size &rSize, const GraphicAttr &rAttr, const css::rendering::ViewState &rUsedViewState, css::rendering::RenderState aUsedRenderState, const css::uno::Reference< css::rendering::XCanvas > &rTarget)
Create an XCachedPrimitive for given GraphicObject.
#define ENSURE_OR_THROW(c, m)
::basegfx::B2ISize maSize
Definition: dx_9rm.cxx:116
FilterGroup & rTarget
std::shared_ptr< GraphicObject > GraphicObjectSharedPtr
signed char sal_Int8