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If not, see 23 * <http://www.openoffice.org/license.html> 24 * for a copy of the LGPLv3 License. 25 * 26 ************************************************************************/ 27 28 // MARKER(update_precomp.py): autogen include statement, do not remove 29 #include "precompiled_vcl.hxx" 30 31 #include "vcl/bitmap.hxx" 32 #include "vcl/svapp.hxx" 33 #include "vcl/salctype.hxx" 34 #include "vos/mutex.hxx" 35 #include "tools/stream.hxx" 36 #include "com/sun/star/script/XInvocation.hpp" 37 #include "com/sun/star/awt/XBitmap.hpp" 38 #include "cppuhelper/compbase1.hxx" 39 40 41 using namespace com::sun::star::uno; 42 using namespace com::sun::star::script; 43 using namespace com::sun::star::beans; 44 using namespace com::sun::star::reflection; 45 using namespace com::sun::star::awt; 46 using namespace rtl; 47 48 namespace vcl { 49 50 class BmpTransporter : 51 public cppu::WeakImplHelper1< com::sun::star::awt::XBitmap > 52 { 53 Sequence<sal_Int8> m_aBM; 54 com::sun::star::awt::Size m_aSize; 55 public: 56 BmpTransporter( const Bitmap& rBM ); 57 virtual ~BmpTransporter(); 58 59 virtual com::sun::star::awt::Size SAL_CALL getSize() throw(); 60 virtual Sequence< sal_Int8 > SAL_CALL getDIB() throw(); 61 virtual Sequence< sal_Int8 > SAL_CALL getMaskDIB() throw(); 62 }; 63 64 class BmpConverter : 65 public cppu::WeakImplHelper1< com::sun::star::script::XInvocation > 66 { 67 public: 68 BmpConverter(); 69 virtual ~BmpConverter(); 70 71 virtual Reference< XIntrospectionAccess > SAL_CALL getIntrospection() throw(); 72 virtual void SAL_CALL setValue( const OUString& rProperty, const Any& rValue ) 73 throw( UnknownPropertyException ); 74 virtual Any SAL_CALL getValue( const OUString& rProperty ) 75 throw( UnknownPropertyException ); 76 virtual sal_Bool SAL_CALL hasMethod( const OUString& rName ) throw(); 77 virtual sal_Bool SAL_CALL hasProperty( const OUString& rProp ) throw(); 78 79 virtual Any SAL_CALL invoke( const OUString& rFunction, 80 const Sequence< Any >& rParams, 81 Sequence< sal_Int16 >& rOutParamIndex, 82 Sequence< Any >& rOutParam 83 ) 84 throw( CannotConvertException, InvocationTargetException ); 85 }; 86 87 } 88 89 using namespace vcl; 90 91 Reference< XInvocation > vcl::createBmpConverter() 92 { 93 return static_cast<XInvocation*>(new BmpConverter()); 94 } 95 96 BmpConverter::BmpConverter() 97 { 98 } 99 100 BmpConverter::~BmpConverter() 101 { 102 } 103 104 Reference< XIntrospectionAccess > SAL_CALL BmpConverter::getIntrospection() throw() 105 { 106 return Reference< XIntrospectionAccess >(); 107 } 108 109 void SAL_CALL BmpConverter::setValue( const OUString&, const Any& ) throw( UnknownPropertyException ) 110 { 111 throw UnknownPropertyException(); 112 } 113 114 Any SAL_CALL BmpConverter::getValue( const OUString& ) throw( UnknownPropertyException ) 115 { 116 throw UnknownPropertyException(); 117 } 118 119 sal_Bool SAL_CALL BmpConverter::hasMethod( const OUString& rName ) throw() 120 { 121 return rName.equalsIgnoreAsciiCase( OUString::createFromAscii( "convert-bitmap-depth" ) ); 122 } 123 124 sal_Bool SAL_CALL BmpConverter::hasProperty( const OUString& ) throw() 125 { 126 return sal_False; 127 } 128 129 Any SAL_CALL BmpConverter::invoke( 130 const OUString& rFunction, 131 const Sequence< Any >& rParams, 132 Sequence< sal_Int16 >&, 133 Sequence< Any >& ) 134 throw( CannotConvertException, InvocationTargetException ) 135 { 136 Any aRet; 137 138 if( rFunction.equalsIgnoreAsciiCase( OUString::createFromAscii( "convert-bitmap-depth" ) ) ) 139 { 140 Reference< XBitmap > xBM; 141 sal_uInt16 nTargetDepth = 0; 142 if( rParams.getLength() != 2 ) 143 throw CannotConvertException(); 144 145 if( ! (rParams.getConstArray()[0] >>= xBM ) || 146 ! ( rParams.getConstArray()[1] >>= nTargetDepth ) ) 147 throw CannotConvertException(); 148 149 Sequence< sal_Int8 > aDIB = xBM->getDIB(); 150 151 // call into vcl not thread safe 152 vos::OGuard aGuard( Application::GetSolarMutex() ); 153 154 SvMemoryStream aStream( aDIB.getArray(), aDIB.getLength(), STREAM_READ | STREAM_WRITE ); 155 Bitmap aBM; 156 aBM.Read( aStream, sal_True ); 157 if( nTargetDepth < 4 ) 158 nTargetDepth = 1; 159 else if( nTargetDepth < 8 ) 160 nTargetDepth = 4; 161 else if( nTargetDepth >8 && nTargetDepth < 24 ) 162 nTargetDepth = 24; 163 164 if( aBM.GetBitCount() == 24 && nTargetDepth <= 8 ) 165 aBM.Dither( BMP_DITHER_FLOYD ); 166 167 if( aBM.GetBitCount() != nTargetDepth ) 168 { 169 switch( nTargetDepth ) 170 { 171 case 1: aBM.Convert( BMP_CONVERSION_1BIT_THRESHOLD );break; 172 case 4: aBM.ReduceColors( BMP_CONVERSION_4BIT_COLORS );break; 173 case 8: aBM.ReduceColors( BMP_CONVERSION_8BIT_COLORS );break; 174 case 24: aBM.Convert( BMP_CONVERSION_24BIT );break; 175 } 176 } 177 xBM = new BmpTransporter( aBM ); 178 aRet <<= xBM; 179 } 180 else 181 throw InvocationTargetException(); 182 183 return aRet; 184 } 185 186 BmpTransporter::BmpTransporter( const Bitmap& rBM ) 187 { 188 m_aSize.Width = rBM.GetSizePixel().Width(); 189 m_aSize.Height = rBM.GetSizePixel().Height(); 190 SvMemoryStream aStream; 191 rBM.Write( aStream, sal_False, sal_True ); 192 m_aBM = Sequence<sal_Int8>(static_cast<const sal_Int8*>(aStream.GetData()), 193 aStream.GetEndOfData()); 194 } 195 196 BmpTransporter::~BmpTransporter() 197 { 198 } 199 200 com::sun::star::awt::Size SAL_CALL BmpTransporter::getSize() throw() 201 { 202 return m_aSize; 203 } 204 205 Sequence< sal_Int8 > SAL_CALL BmpTransporter::getDIB() throw() 206 { 207 return m_aBM; 208 } 209 210 Sequence< sal_Int8 > SAL_CALL BmpTransporter::getMaskDIB() throw() 211 { 212 return Sequence< sal_Int8 >(); 213 } 214