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 // MARKER(update_precomp.py): autogen include statement, do not remove
25 #include "precompiled_chart2.hxx"
26 #include "RelativeSizeHelper.hxx"
27 #include "macros.hxx"
28 
29 #include <vector>
30 #include <algorithm>
31 
32 using namespace ::com::sun::star::awt;
33 using namespace ::com::sun::star::beans;
34 using namespace ::std;
35 
36 using ::com::sun::star::uno::Reference;
37 using ::com::sun::star::uno::makeAny;
38 using ::com::sun::star::uno::Exception;
39 using ::rtl::OUString;
40 
41 namespace chart
42 {
43 
calculate(double fValue,const Size & rOldReferenceSize,const Size & rNewReferenceSize)44 double RelativeSizeHelper::calculate(
45     double fValue,
46     const Size & rOldReferenceSize,
47     const Size & rNewReferenceSize )
48 {
49     if( rOldReferenceSize.Width <= 0 ||
50         rOldReferenceSize.Height <= 0 )
51         return fValue;
52 
53     return min(
54         static_cast< double >( rNewReferenceSize.Width )  / static_cast< double >( rOldReferenceSize.Width ),
55         static_cast< double >( rNewReferenceSize.Height ) / static_cast< double >( rOldReferenceSize.Height ))
56         * fValue;
57 }
58 
adaptFontSizes(const Reference<XPropertySet> & xTargetProperties,const Size & rOldReferenceSize,const Size & rNewReferenceSize)59 void RelativeSizeHelper::adaptFontSizes(
60     const Reference< XPropertySet > & xTargetProperties,
61     const Size & rOldReferenceSize,
62     const Size & rNewReferenceSize )
63 {
64     if( ! xTargetProperties.is())
65         return;
66 
67     float fFontHeight = 0;
68 
69     vector< OUString > aProperties;
70     aProperties.push_back( OUString( RTL_CONSTASCII_USTRINGPARAM( "CharHeight" )));
71     aProperties.push_back( OUString( RTL_CONSTASCII_USTRINGPARAM( "CharHeightAsian" )));
72     aProperties.push_back( OUString( RTL_CONSTASCII_USTRINGPARAM( "CharHeightComplex" )));
73 
74     for( vector< OUString >::const_iterator aIt = aProperties.begin();
75          aIt != aProperties.end(); ++aIt )
76     {
77         try
78         {
79             if( xTargetProperties->getPropertyValue( *aIt ) >>= fFontHeight )
80             {
81                 xTargetProperties->setPropertyValue(
82                     *aIt,
83                     makeAny( static_cast< float >(
84                                  calculate( fFontHeight, rOldReferenceSize, rNewReferenceSize ))));
85             }
86         }
87         catch( const Exception & ex )
88         {
89             ASSERT_EXCEPTION( ex );
90         }
91     }
92 }
93 
94 } //  namespace chart
95