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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 :
21 : #include <canvas/debug.hxx>
22 : #include <tools/diagnose_ex.h>
23 : #include <canvas/verbosetrace.hxx>
24 : #include <canvas/canvastools.hxx>
25 :
26 : #include <osl/mutex.hxx>
27 :
28 : #include <com/sun/star/registry/XRegistryKey.hpp>
29 : #include <com/sun/star/lang/XSingleServiceFactory.hpp>
30 : #include <com/sun/star/uno/XComponentContext.hpp>
31 :
32 : #include <cppuhelper/factory.hxx>
33 : #include <cppuhelper/implementationentry.hxx>
34 : #include <comphelper/servicedecl.hxx>
35 :
36 : #include <basegfx/matrix/b2dhommatrix.hxx>
37 : #include <basegfx/point/b2dpoint.hxx>
38 : #include <basegfx/tools/canvastools.hxx>
39 : #include <basegfx/numeric/ftools.hxx>
40 :
41 : #include "null_spritecanvas.hxx"
42 :
43 :
44 : using namespace ::com::sun::star;
45 :
46 : #define SERVICE_NAME "com.sun.star.rendering.NullCanvas"
47 :
48 : namespace nullcanvas
49 : {
50 0 : SpriteCanvas::SpriteCanvas( const uno::Sequence< uno::Any >& aArguments,
51 : const uno::Reference< uno::XComponentContext >& rxContext ) :
52 : maArguments(aArguments),
53 0 : mxComponentContext( rxContext )
54 : {
55 0 : }
56 :
57 0 : void SpriteCanvas::initialize()
58 : {
59 : // #i64742# Only call initialize when not in probe mode
60 0 : if( maArguments.getLength() == 0 )
61 0 : return;
62 :
63 : VERBOSE_TRACE( "SpriteCanvas::initialize called" );
64 :
65 : // At index 1, we expect a system window handle here,
66 : // containing a pointer to a valid window, on which to output
67 : // At index 2, we expect the current window bound rect
68 0 : ENSURE_ARG_OR_THROW( maArguments.getLength() >= 4 &&
69 : maArguments[1].getValueTypeClass() == uno::TypeClass_LONG,
70 : "SpriteCanvas::initialize: wrong number of arguments, or wrong types" );
71 :
72 0 : awt::Rectangle aRect;
73 0 : maArguments[2] >>= aRect;
74 : const ::basegfx::B2ISize aSize(aRect.Width,
75 0 : aRect.Height);
76 :
77 0 : sal_Bool bIsFullscreen( sal_False );
78 0 : maArguments[3] >>= bIsFullscreen;
79 :
80 : // setup helper
81 : maDeviceHelper.init( *this,
82 : aSize,
83 0 : bIsFullscreen );
84 : maCanvasHelper.init( maRedrawManager,
85 : *this,
86 : aSize,
87 0 : false );
88 :
89 0 : maArguments.realloc(0);
90 : }
91 :
92 0 : void SpriteCanvas::disposeThis()
93 : {
94 0 : ::osl::MutexGuard aGuard( m_aMutex );
95 :
96 0 : mxComponentContext.clear();
97 :
98 : // forward to parent
99 0 : SpriteCanvasBaseT::disposeThis();
100 0 : }
101 :
102 0 : ::sal_Bool SAL_CALL SpriteCanvas::showBuffer( ::sal_Bool bUpdateAll ) throw (uno::RuntimeException)
103 : {
104 0 : ::osl::MutexGuard aGuard( m_aMutex );
105 :
106 : // avoid repaints on hidden window (hidden: not mapped to
107 : // screen). Return failure, since the screen really has _not_
108 : // been updated (caller should try again later)
109 0 : return !mbIsVisible ? false : SpriteCanvasBaseT::showBuffer( bUpdateAll );
110 : }
111 :
112 0 : ::sal_Bool SAL_CALL SpriteCanvas::switchBuffer( ::sal_Bool bUpdateAll ) throw (uno::RuntimeException)
113 : {
114 0 : ::osl::MutexGuard aGuard( m_aMutex );
115 :
116 : // avoid repaints on hidden window (hidden: not mapped to
117 : // screen). Return failure, since the screen really has _not_
118 : // been updated (caller should try again later)
119 0 : return !mbIsVisible ? false : SpriteCanvasBaseT::switchBuffer( bUpdateAll );
120 : }
121 :
122 0 : sal_Bool SAL_CALL SpriteCanvas::updateScreen( sal_Bool bUpdateAll ) throw (uno::RuntimeException)
123 : {
124 0 : ::osl::MutexGuard aGuard( m_aMutex );
125 :
126 : // avoid repaints on hidden window (hidden: not mapped to
127 : // screen). Return failure, since the screen really has _not_
128 : // been updated (caller should try again later)
129 : return !mbIsVisible ? false : maCanvasHelper.updateScreen(
130 0 : ::basegfx::unotools::b2IRectangleFromAwtRectangle(maBounds),
131 : bUpdateAll,
132 0 : mbSurfaceDirty );
133 : }
134 :
135 0 : ::rtl::OUString SAL_CALL SpriteCanvas::getServiceName( ) throw (uno::RuntimeException)
136 : {
137 0 : return ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( SERVICE_NAME ) );
138 : }
139 :
140 0 : static uno::Reference<uno::XInterface> initCanvas( SpriteCanvas* pCanvas )
141 : {
142 0 : uno::Reference<uno::XInterface> xRet(static_cast<cppu::OWeakObject*>(pCanvas));
143 0 : pCanvas->initialize();
144 0 : return xRet;
145 : }
146 :
147 : namespace sdecl = comphelper::service_decl;
148 0 : sdecl::class_<SpriteCanvas, sdecl::with_args<true> > serviceImpl(&initCanvas);
149 0 : const sdecl::ServiceDecl nullCanvasDecl(
150 : serviceImpl,
151 : "com.sun.star.comp.rendering.NullCanvas",
152 : SERVICE_NAME );
153 : }
154 :
155 : // The C shared lib entry points
156 0 : COMPHELPER_SERVICEDECL_EXPORTS1(nullcanvas, nullcanvas::nullCanvasDecl)
157 :
158 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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