summaryrefslogtreecommitdiff
path: root/canvas/source/vcl/canvasbitmap.cxx
blob: e145379e5329b96d2fe657680c77973156ef9977 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
 * This file is part of the LibreOffice project.
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 * This file incorporates work covered by the following license notice:
 *
 *   Licensed to the Apache Software Foundation (ASF) under one or more
 *   contributor license agreements. See the NOTICE file distributed
 *   with this work for additional information regarding copyright
 *   ownership. The ASF licenses this file to you under the Apache
 *   License, Version 2.0 (the "License"); you may not use this file
 *   except in compliance with the License. You may obtain a copy of
 *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
 */


#include <canvas/debug.hxx>
#include <tools/diagnose_ex.h>
#include "canvasbitmap.hxx"

#include <vcl/bmpacc.hxx>

using namespace ::com::sun::star;


namespace vclcanvas
{
    // Currently, the only way to generate an XBitmap is from
    // XGraphicDevice.getCompatibleBitmap(). Therefore, we don't even
    // take a bitmap here, but a VDev directly.
    CanvasBitmap::CanvasBitmap( const ::Size&                  rSize,
                                bool                           bAlphaBitmap,
                                rendering::XGraphicDevice&     rDevice,
                                const OutDevProviderSharedPtr& rOutDevProvider )
    {
        // create bitmap for given reference device
        // ========================================
        const sal_uInt16 nBitCount( (sal_uInt16)24U );
        const BitmapPalette*    pPalette = NULL;

        Bitmap aBitmap( rSize, nBitCount, pPalette );

        // only create alpha channel bitmap, if factory requested
        // that. Providing alpha-channeled bitmaps by default has,
        // especially under VCL, a huge performance penalty (have to
        // use alpha VDev, then).
        if( bAlphaBitmap )
        {
            AlphaMask   aAlpha ( rSize );

            maCanvasHelper.init( BitmapEx( aBitmap, aAlpha ),
                                 rDevice,
                                 rOutDevProvider );
        }
        else
        {
            maCanvasHelper.init( BitmapEx( aBitmap ),
                                 rDevice,
                                 rOutDevProvider );
        }
    }

    CanvasBitmap::CanvasBitmap( const BitmapEx&                rBitmap,
                                rendering::XGraphicDevice&     rDevice,
                                const OutDevProviderSharedPtr& rOutDevProvider )
    {
        maCanvasHelper.init( rBitmap, rDevice, rOutDevProvider );
    }

#define IMPLEMENTATION_NAME "VCLCanvas.CanvasBitmap"
#define SERVICE_NAME "com.sun.star.rendering.CanvasBitmap"

    OUString SAL_CALL CanvasBitmap::getImplementationName(  ) throw (uno::RuntimeException)
    {
        return OUString( IMPLEMENTATION_NAME );
    }

    sal_Bool SAL_CALL CanvasBitmap::supportsService( const OUString& ServiceName ) throw (uno::RuntimeException)
    {
        return ServiceName == SERVICE_NAME;
    }

    uno::Sequence< OUString > SAL_CALL CanvasBitmap::getSupportedServiceNames(  ) throw (uno::RuntimeException)
    {
        uno::Sequence< OUString > aRet(1);
        aRet[0] = OUString( SERVICE_NAME );

        return aRet;
    }

    BitmapEx CanvasBitmap::getBitmap() const
    {
        SolarMutexGuard aGuard;

        // TODO(T3): Rework to use shared_ptr all over the place for
        // BmpEx. This is highly un-threadsafe
        return maCanvasHelper.getBitmap();
    }

    bool CanvasBitmap::repaint( const rtl::Reference<GraphicObject>& rGrf,
                                const rendering::ViewState&   viewState,
                                const rendering::RenderState& renderState,
                                const ::Point&                rPt,
                                const ::Size&                 rSz,
                                const GraphicAttr&            rAttr ) const
    {
        SolarMutexGuard aGuard;

        mbSurfaceDirty = true;

        return maCanvasHelper.repaint( rGrf, viewState, renderState, rPt, rSz, rAttr );
    }

    uno::Any SAL_CALL CanvasBitmap::getFastPropertyValue( sal_Int32 nHandle ) throw (uno::RuntimeException)
    {
        if( nHandle == 0 ) {
            BitmapEx* pBitmapEx = new BitmapEx( getBitmap() );

            return uno::Any( reinterpret_cast<sal_Int64>( pBitmapEx ) );
        }

        return uno::Any( sal_Int64(0) );
    }
}

/* vim:set shiftwidth=4 softtabstop=4 expandtab: */