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