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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 : #include <string.h>
21 :
22 : #include <toolkit/awt/vclxfont.hxx>
23 : #include <toolkit/helper/vclunohelper.hxx>
24 : #include <toolkit/helper/macros.hxx>
25 : #include <cppuhelper/typeprovider.hxx>
26 : #include <cppuhelper/queryinterface.hxx>
27 : #include <rtl/uuid.h>
28 : #include <rtl/ustring.h>
29 : #include <sal/alloca.h>
30 :
31 : #include <vcl/outdev.hxx>
32 :
33 :
34 : // class VCLXFont
35 :
36 651 : VCLXFont::VCLXFont()
37 : {
38 651 : mpFontMetric = NULL;
39 651 : }
40 :
41 1953 : VCLXFont::~VCLXFont()
42 : {
43 651 : delete mpFontMetric;
44 1302 : }
45 :
46 651 : void VCLXFont::Init( ::com::sun::star::awt::XDevice& rxDev, const vcl::Font& rFont )
47 : {
48 651 : mxDevice = &rxDev;
49 :
50 651 : delete mpFontMetric;
51 651 : mpFontMetric = NULL;
52 :
53 651 : maFont = rFont;
54 651 : }
55 :
56 0 : bool VCLXFont::ImplAssertValidFontMetric()
57 : {
58 0 : if ( !mpFontMetric && mxDevice.is() )
59 : {
60 0 : OutputDevice* pOutDev = VCLUnoHelper::GetOutputDevice( mxDevice );
61 0 : if ( pOutDev )
62 : {
63 0 : vcl::Font aOldFont = pOutDev->GetFont();
64 0 : pOutDev->SetFont( maFont );
65 0 : mpFontMetric = new FontMetric( pOutDev->GetFontMetric() );
66 0 : pOutDev->SetFont( aOldFont );
67 : }
68 : }
69 0 : return mpFontMetric != nullptr;
70 : }
71 :
72 :
73 : // ::com::sun::star::uno::XInterface
74 506 : ::com::sun::star::uno::Any VCLXFont::queryInterface( const ::com::sun::star::uno::Type & rType ) throw(::com::sun::star::uno::RuntimeException, std::exception)
75 : {
76 : ::com::sun::star::uno::Any aRet = ::cppu::queryInterface( rType,
77 : (static_cast< ::com::sun::star::awt::XFont* >(this)),
78 : (static_cast< ::com::sun::star::awt::XFont2* >(this)),
79 : (static_cast< ::com::sun::star::lang::XUnoTunnel* >(this)),
80 506 : (static_cast< ::com::sun::star::lang::XTypeProvider* >(this)) );
81 506 : return (aRet.hasValue() ? aRet : OWeakObject::queryInterface( rType ));
82 : }
83 :
84 : // ::com::sun::star::lang::XUnoTunnel
85 0 : IMPL_XUNOTUNNEL( VCLXFont )
86 :
87 : // ::com::sun::star::lang::XTypeProvider
88 0 : IMPL_XTYPEPROVIDER_START( VCLXFont )
89 0 : cppu::UnoType<com::sun::star::awt::XFont2>::get()
90 0 : IMPL_XTYPEPROVIDER_END
91 :
92 :
93 0 : ::com::sun::star::awt::FontDescriptor VCLXFont::getFontDescriptor( ) throw(::com::sun::star::uno::RuntimeException, std::exception)
94 : {
95 0 : ::osl::Guard< ::osl::Mutex > aGuard( GetMutex() );
96 :
97 0 : return VCLUnoHelper::CreateFontDescriptor( maFont );
98 :
99 : }
100 :
101 0 : ::com::sun::star::awt::SimpleFontMetric VCLXFont::getFontMetric( ) throw(::com::sun::star::uno::RuntimeException, std::exception)
102 : {
103 0 : ::osl::Guard< ::osl::Mutex > aGuard( GetMutex() );
104 :
105 0 : ::com::sun::star::awt::SimpleFontMetric aFM;
106 0 : if ( ImplAssertValidFontMetric() )
107 0 : aFM = VCLUnoHelper::CreateFontMetric( *mpFontMetric );
108 0 : return aFM;
109 : }
110 :
111 1595 : sal_Int16 VCLXFont::getCharWidth( sal_Unicode c ) throw(::com::sun::star::uno::RuntimeException, std::exception)
112 : {
113 1595 : ::osl::Guard< ::osl::Mutex > aGuard( GetMutex() );
114 :
115 1595 : sal_Int16 nRet = -1;
116 1595 : OutputDevice* pOutDev = VCLUnoHelper::GetOutputDevice( mxDevice );
117 1595 : if ( pOutDev )
118 : {
119 1595 : vcl::Font aOldFont = pOutDev->GetFont();
120 1595 : pOutDev->SetFont( maFont );
121 :
122 : nRet = sal::static_int_cast< sal_Int16 >(
123 1595 : pOutDev->GetTextWidth( OUString(c) ));
124 :
125 1595 : pOutDev->SetFont( aOldFont );
126 : }
127 1595 : return nRet;
128 : }
129 :
130 0 : ::com::sun::star::uno::Sequence< sal_Int16 > VCLXFont::getCharWidths( sal_Unicode nFirst, sal_Unicode nLast ) throw(::com::sun::star::uno::RuntimeException, std::exception)
131 : {
132 0 : ::osl::Guard< ::osl::Mutex > aGuard( GetMutex() );
133 :
134 0 : ::com::sun::star::uno::Sequence<sal_Int16> aSeq;
135 0 : OutputDevice* pOutDev = VCLUnoHelper::GetOutputDevice( mxDevice );
136 0 : if ( pOutDev )
137 : {
138 0 : vcl::Font aOldFont = pOutDev->GetFont();
139 0 : pOutDev->SetFont( maFont );
140 :
141 0 : sal_Int16 nCount = nLast-nFirst + 1;
142 0 : aSeq = ::com::sun::star::uno::Sequence<sal_Int16>( nCount );
143 0 : for ( sal_uInt16 n = 0; n < nCount; n++ )
144 : {
145 0 : aSeq.getArray()[n] = sal::static_int_cast< sal_Int16 >(
146 : pOutDev->GetTextWidth(
147 0 : OUString(static_cast< sal_Unicode >(nFirst+n)) ));
148 : }
149 :
150 0 : pOutDev->SetFont( aOldFont );
151 : }
152 0 : return aSeq;
153 : }
154 :
155 0 : sal_Int32 VCLXFont::getStringWidth( const OUString& str ) throw(::com::sun::star::uno::RuntimeException, std::exception)
156 : {
157 0 : ::osl::Guard< ::osl::Mutex > aGuard( GetMutex() );
158 :
159 0 : sal_Int32 nRet = -1;
160 0 : OutputDevice* pOutDev = VCLUnoHelper::GetOutputDevice( mxDevice );
161 0 : if ( pOutDev )
162 : {
163 0 : vcl::Font aOldFont = pOutDev->GetFont();
164 0 : pOutDev->SetFont( maFont );
165 0 : nRet = pOutDev->GetTextWidth( str );
166 0 : pOutDev->SetFont( aOldFont );
167 : }
168 0 : return nRet;
169 : }
170 :
171 0 : sal_Int32 VCLXFont::getStringWidthArray( const OUString& str, ::com::sun::star::uno::Sequence< sal_Int32 >& rDXArray ) throw(::com::sun::star::uno::RuntimeException, std::exception)
172 : {
173 0 : ::osl::Guard< ::osl::Mutex > aGuard( GetMutex() );
174 :
175 0 : sal_Int32 nRet = -1;
176 0 : OutputDevice* pOutDev = VCLUnoHelper::GetOutputDevice( mxDevice );
177 0 : if ( pOutDev )
178 : {
179 0 : vcl::Font aOldFont = pOutDev->GetFont();
180 0 : pOutDev->SetFont( maFont );
181 0 : long* pDXA = static_cast<long*>(alloca(str.getLength() * sizeof(long)));
182 0 : nRet = pOutDev->GetTextArray( str, pDXA );
183 0 : rDXArray = ::com::sun::star::uno::Sequence<sal_Int32>( str.getLength() );
184 0 : for(int i = 0; i < str.getLength(); i++)
185 : {
186 0 : rDXArray[i] = pDXA[i];
187 : }
188 0 : pOutDev->SetFont( aOldFont );
189 : }
190 0 : return nRet;
191 : }
192 :
193 0 : void VCLXFont::getKernPairs( ::com::sun::star::uno::Sequence< sal_Unicode >& /*rnChars1*/, ::com::sun::star::uno::Sequence< sal_Unicode >& /*rnChars2*/, ::com::sun::star::uno::Sequence< sal_Int16 >& /*rnKerns*/ ) throw(::com::sun::star::uno::RuntimeException, std::exception)
194 : {
195 : // NOTE: this empty method is just used for keeping the related UNO-API stable
196 0 : }
197 :
198 : // ::com::sun::star::awt::XFont2
199 8478 : sal_Bool VCLXFont::hasGlyphs( const OUString& aText )
200 : throw(::com::sun::star::uno::RuntimeException, std::exception)
201 : {
202 8478 : ::osl::Guard< ::osl::Mutex > aGuard( GetMutex() );
203 :
204 8478 : OutputDevice* pOutDev = VCLUnoHelper::GetOutputDevice( mxDevice );
205 8478 : if ( pOutDev )
206 : {
207 8478 : OUString aStr( aText );
208 8478 : if ( pOutDev->HasGlyphs( maFont, aStr ) == -1 )
209 : {
210 646 : return sal_True;
211 7832 : }
212 : }
213 :
214 7832 : return sal_False;
215 : }
216 :
217 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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