xref: /AOO41X/main/forms/source/component/imgprod.hxx (revision 2d785d7ea953737df3731803a26e291d82066c5a)
1 /**************************************************************
2  *
3  * Licensed to the Apache Software Foundation (ASF) under one
4  * or more contributor license agreements.  See the NOTICE file
5  * distributed with this work for additional information
6  * regarding copyright ownership.  The ASF licenses this file
7  * to you under the Apache License, Version 2.0 (the
8  * "License"); you may not use this file except in compliance
9  * with the License.  You may obtain a copy of the License at
10  *
11  *   http://www.apache.org/licenses/LICENSE-2.0
12  *
13  * Unless required by applicable law or agreed to in writing,
14  * software distributed under the License is distributed on an
15  * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
16  * KIND, either express or implied.  See the License for the
17  * specific language governing permissions and limitations
18  * under the License.
19  *
20  *************************************************************/
21 
22 
23 
24 #ifndef _PRODUCE_HXX
25 #define _PRODUCE_HXX
26 
27 #include <tools/link.hxx>
28 #include <tools/string.hxx>
29 #include <tools/list.hxx>
30 #include <com/sun/star/awt/ImageStatus.hpp>
31 #include <com/sun/star/awt/XImageConsumer.hpp>
32 #include <com/sun/star/awt/XImageProducer.hpp>
33 #include <com/sun/star/lang/XInitialization.hpp>
34 #include <cppuhelper/weak.hxx>
35 
36 
37 // -----------------
38 // - ImageProducer -
39 // -----------------
40 
41 
42 
43 class SvStream;
44 class ImageConsumer;
45 class Graphic;
46 class GraphicFilter;
47 
48 namespace com { namespace sun { namespace star { namespace io {
49     class XInputStream;
50 }}}}
51 
52 
53 class ImageProducer :   public ::com::sun::star::awt::XImageProducer,
54                         public ::com::sun::star::lang::XInitialization,
55                         public ::cppu::OWeakObject
56 {
57 private:
58 
59     ::rtl::OUString maURL;
60     List            maConsList;
61     Graphic*        mpGraphic;
62     SvStream*       mpStm;
63     sal_uInt32      mnTransIndex;
64     sal_Bool        mbConsInit;
65     Link            maDoneHdl;
66 
67     sal_Bool        ImplImportGraphic( Graphic& rGraphic );
68     void            ImplUpdateData( const Graphic& rGraphic );
69     void            ImplInitConsumer( const Graphic& rGraphic );
70     void            ImplUpdateConsumer( const Graphic& rGraphic );
71 
72 public:
73 
74                     ImageProducer();
75                     ~ImageProducer();
76 
77     void            SetImage( const ::rtl::OUString& rPath );
78     void            SetImage( SvStream& rStm );
79 
80     void            NewDataAvailable();
81 
SetDoneHdl(const Link & i_rHdl)82     void            SetDoneHdl( const Link& i_rHdl ) { maDoneHdl = i_rHdl; }
GetDoneHdl() const83     const Link&     GetDoneHdl() const { return maDoneHdl; }
84 
85     // ::com::sun::star::uno::XInterface
86     ::com::sun::star::uno::Any                  SAL_CALL queryInterface( const ::com::sun::star::uno::Type & rType ) throw(::com::sun::star::uno::RuntimeException);
acquire()87     void                                        SAL_CALL acquire() throw()  { OWeakObject::acquire(); }
release()88     void                                        SAL_CALL release() throw()  { OWeakObject::release(); }
89 
90     // MT: ???
91     void            setImage( ::com::sun::star::uno::Reference< ::com::sun::star::io::XInputStream > & rStmRef );
92 
93     // ::com::sun::star::awt::XImageProducer
94     void SAL_CALL addConsumer( const ::com::sun::star::uno::Reference< ::com::sun::star::awt::XImageConsumer >& rxConsumer ) throw(::com::sun::star::uno::RuntimeException);
95     void SAL_CALL removeConsumer( const ::com::sun::star::uno::Reference< ::com::sun::star::awt::XImageConsumer >& rxConsumer ) throw(::com::sun::star::uno::RuntimeException);
96     void SAL_CALL startProduction(  ) throw(::com::sun::star::uno::RuntimeException);
97 
98     // ::com::sun::star::lang::XInitialization
99     void SAL_CALL initialize( const ::com::sun::star::uno::Sequence< ::com::sun::star::uno::Any >& aArguments ) throw (::com::sun::star::uno::Exception, ::com::sun::star::uno::RuntimeException);
100 
101 };
102 
103 #endif // _PRODUCE_HXX
104