/src/libreoffice/canvas/source/vcl/canvasbitmap.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 <cppuhelper/supportsservice.hxx> |
23 | | #include <vcl/alpha.hxx> |
24 | | |
25 | | #include "canvasbitmap.hxx" |
26 | | |
27 | | |
28 | | using namespace ::com::sun::star; |
29 | | |
30 | | |
31 | | namespace vclcanvas |
32 | | { |
33 | | // Currently, the only way to generate an XBitmap is from |
34 | | // XGraphicDevice.getCompatibleBitmap(). Therefore, we don't even |
35 | | // take a bitmap here, but a VDev directly. |
36 | | CanvasBitmap::CanvasBitmap( const ::Size& rSize, |
37 | | bool bAlphaBitmap, |
38 | | rendering::XGraphicDevice& rDevice, |
39 | | const OutDevProviderSharedPtr& rOutDevProvider ) |
40 | 0 | { |
41 | | // create bitmap for given reference device |
42 | | // ======================================== |
43 | | |
44 | | // only create alpha channel bitmap, if factory requested |
45 | | // that. Providing alpha-channeled bitmaps by default has, |
46 | | // especially under VCL, a huge performance penalty (have to |
47 | | // use alpha VDev, then). |
48 | 0 | if( bAlphaBitmap ) |
49 | 0 | { |
50 | 0 | maCanvasHelper.init( Bitmap(rSize, vcl::PixelFormat::N32_BPP), |
51 | 0 | rDevice, |
52 | 0 | rOutDevProvider ); |
53 | 0 | } |
54 | 0 | else |
55 | 0 | { |
56 | 0 | maCanvasHelper.init( Bitmap(rSize, vcl::PixelFormat::N24_BPP), |
57 | 0 | rDevice, |
58 | 0 | rOutDevProvider ); |
59 | 0 | } |
60 | 0 | } |
61 | | |
62 | | CanvasBitmap::CanvasBitmap( const ::Bitmap& rBitmap, |
63 | | rendering::XGraphicDevice& rDevice, |
64 | | const OutDevProviderSharedPtr& rOutDevProvider ) |
65 | 0 | { |
66 | 0 | maCanvasHelper.init( rBitmap, rDevice, rOutDevProvider ); |
67 | 0 | } |
68 | | |
69 | | |
70 | | OUString SAL_CALL CanvasBitmap::getImplementationName( ) |
71 | 0 | { |
72 | 0 | return u"VCLCanvas.CanvasBitmap"_ustr; |
73 | 0 | } |
74 | | |
75 | | sal_Bool SAL_CALL CanvasBitmap::supportsService( const OUString& ServiceName ) |
76 | 0 | { |
77 | 0 | return cppu::supportsService( this, ServiceName ); |
78 | 0 | } |
79 | | |
80 | | uno::Sequence< OUString > SAL_CALL CanvasBitmap::getSupportedServiceNames( ) |
81 | 0 | { |
82 | 0 | return { u"com.sun.star.rendering.CanvasBitmap"_ustr }; |
83 | 0 | } |
84 | | |
85 | | Bitmap CanvasBitmap::getBitmap() const |
86 | 0 | { |
87 | 0 | SolarMutexGuard aGuard; |
88 | | |
89 | | // TODO(T3): Rework to use shared_ptr all over the place for |
90 | | // BmpEx. This is highly un-threadsafe |
91 | 0 | return maCanvasHelper.getBitmap(); |
92 | 0 | } |
93 | | |
94 | | bool CanvasBitmap::repaint( const GraphicObjectSharedPtr& rGrf, |
95 | | const rendering::ViewState& viewState, |
96 | | const rendering::RenderState& renderState, |
97 | | const ::Point& rPt, |
98 | | const ::Size& rSz, |
99 | | const GraphicAttr& rAttr ) const |
100 | 0 | { |
101 | 0 | SolarMutexGuard aGuard; |
102 | |
|
103 | 0 | mbSurfaceDirty = true; |
104 | |
|
105 | 0 | return maCanvasHelper.repaint( rGrf, viewState, renderState, rPt, rSz, rAttr ); |
106 | 0 | } |
107 | | |
108 | | uno::Any SAL_CALL CanvasBitmap::getFastPropertyValue( sal_Int32 nHandle ) |
109 | 0 | { |
110 | 0 | if( nHandle == 0 ) { |
111 | 0 | Bitmap* pBitmap = new Bitmap( getBitmap() ); |
112 | |
|
113 | 0 | return uno::Any( reinterpret_cast<sal_Int64>( pBitmap ) ); |
114 | 0 | } |
115 | | |
116 | 0 | return uno::Any( sal_Int64(0) ); |
117 | 0 | } |
118 | | } |
119 | | |
120 | | /* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |