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