summaryrefslogtreecommitdiffstats
path: root/canvas/source/cairo/cairo_spritecanvas.cxx
blob: d2e983ca2adea4f158e99100afc1ced3648cd7e0 (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
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
/* -*- 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 <sal/config.h>
#include <sal/log.hxx>

#include <basegfx/range/b2irange.hxx>
#include <basegfx/utils/canvastools.hxx>
#include <com/sun/star/awt/XTopWindow.hpp>
#include <com/sun/star/awt/Rectangle.hpp>
#include <com/sun/star/lang/NoSupportException.hpp>
#include <osl/mutex.hxx>
#include <toolkit/helper/vclunohelper.hxx>
#include <tools/diagnose_ex.h>

#include "cairo_spritecanvas.hxx"

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

namespace cairocanvas
{
    SpriteCanvas::SpriteCanvas( const uno::Sequence< uno::Any >&                aArguments,
                                const uno::Reference< uno::XComponentContext >& /*rxContext*/ ) :
        maArguments(aArguments)
    {
    }

    void SpriteCanvas::initialize()
    {
        SAL_INFO("canvas.cairo", "CairoSpriteCanvas created " << this);

        // #i64742# Only call initialize when not in probe mode
        if( !maArguments.hasElements() )
            return;

        /* maArguments:
           0: ptr to creating instance (Window or VirtualDevice)
           1: current bounds of creating instance
           2: bool, denoting always on top state for Window (always false for VirtualDevice)
           3: XWindow for creating Window (or empty for VirtualDevice)
           4: SystemGraphicsData as a streamed Any
         */
        ENSURE_ARG_OR_THROW( maArguments.getLength() >= 4 &&
                             maArguments[0].getValueTypeClass() == uno::TypeClass_HYPER &&
                             maArguments[3].getValueTypeClass() == uno::TypeClass_INTERFACE,
                             "CairoSpriteCanvas::initialize: wrong number of arguments, or wrong types" );

        awt::Rectangle aRect;
        maArguments[1] >>= aRect;

        bool bIsFullscreen( false );
        maArguments[2] >>= bIsFullscreen;

        uno::Reference< awt::XWindow > xParentWindow;
        maArguments[3] >>= xParentWindow;

        VclPtr<vcl::Window> pParentWindow = VCLUnoHelper::GetWindow(xParentWindow);
        if( !pParentWindow )
            throw lang::NoSupportException(
                "Parent window not VCL window, or canvas out-of-process!", nullptr);

        bool bHasCairo = pParentWindow->SupportsCairo();
        ENSURE_ARG_OR_THROW(bHasCairo,
                            "CairoSpriteCanvas::SpriteCanvas: No Cairo capability");

        Size aPixelSize( pParentWindow->GetOutputSizePixel() );
        const ::basegfx::B2ISize aSize( aPixelSize.Width(),
                                        aPixelSize.Height() );

        // setup helper
        maDeviceHelper.init( *pParentWindow,
                             *this,
                             aSize,
                             bIsFullscreen );

        setWindow(uno::Reference<awt::XWindow2>(xParentWindow, uno::UNO_QUERY_THROW));

        maCanvasHelper.init( maRedrawManager,
                             *this,
                             aSize );

        maArguments.realloc(0);
    }

    void SpriteCanvas::disposeThis()
    {
        ::osl::MutexGuard aGuard( m_aMutex );

        // forward to parent
        SpriteCanvasBaseT::disposeThis();
    }

    sal_Bool SAL_CALL SpriteCanvas::showBuffer( sal_Bool bUpdateAll )
    {
        return updateScreen( bUpdateAll );
    }

    sal_Bool SAL_CALL SpriteCanvas::switchBuffer( sal_Bool bUpdateAll )
    {
        return updateScreen( bUpdateAll );
    }

    sal_Bool SAL_CALL SpriteCanvas::updateScreen( sal_Bool bUpdateAll )
    {
        ::osl::MutexGuard aGuard( m_aMutex );

        // avoid repaints on hidden window (hidden: not mapped to
        // screen). Return failure, since the screen really has _not_
        // been updated (caller should try again later)
        return mbIsVisible && maCanvasHelper.updateScreen(
            ::basegfx::unotools::b2IRectangleFromAwtRectangle(maBounds),
            bUpdateAll,
            mbSurfaceDirty);
    }

    OUString SAL_CALL SpriteCanvas::getServiceName(  )
    {
        return SPRITECANVAS_SERVICE_NAME;
    }

    SurfaceSharedPtr SpriteCanvas::getSurface()
    {
        return maDeviceHelper.getBufferSurface();
    }

    SurfaceSharedPtr SpriteCanvas::createSurface( const ::basegfx::B2ISize& rSize, int aContent )
    {
        return maDeviceHelper.createSurface( rSize, aContent );
    }

    SurfaceSharedPtr SpriteCanvas::createSurface( ::Bitmap& rBitmap )
    {
        BitmapSystemData aData;
        if( rBitmap.GetSystemData( aData ) ) {
            const Size& rSize = rBitmap.GetSizePixel();

            return maDeviceHelper.createSurface( aData, rSize );
        }

        return SurfaceSharedPtr();
    }

    SurfaceSharedPtr SpriteCanvas::changeSurface()
    {
        // non-modifiable surface here
        return SurfaceSharedPtr();
    }

    OutputDevice* SpriteCanvas::getOutputDevice()
    {
        return maDeviceHelper.getOutputDevice();
    }

    SurfaceSharedPtr const & SpriteCanvas::getBufferSurface() const
    {
        return maDeviceHelper.getBufferSurface();
    }

    SurfaceSharedPtr const & SpriteCanvas::getWindowSurface() const
    {
        return maDeviceHelper.getWindowSurface();
    }

    const ::basegfx::B2ISize& SpriteCanvas::getSizePixel() const
    {
        return maDeviceHelper.getSizePixel();
    }

    void SpriteCanvas::setSizePixel( const ::basegfx::B2ISize& rSize )
    {
        maCanvasHelper.setSize( rSize );
        // re-set background surface, in case it needed recreation
        maCanvasHelper.setSurface( maDeviceHelper.getBufferSurface(),
                                   false );
    }

    void SpriteCanvas::flush()
    {
        maDeviceHelper.flush();
    }

    bool SpriteCanvas::repaint( const SurfaceSharedPtr&       pSurface,
                                const rendering::ViewState&   viewState,
                                const rendering::RenderState& renderState )
    {
        return maCanvasHelper.repaint( pSurface, viewState, renderState );
    }
}

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