| /************************************************************** |
| * |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| * |
| *************************************************************/ |
| |
| |
| |
| #ifndef _GIFLZWC_HXX |
| #define _GIFLZWC_HXX |
| |
| #ifndef _BMPACC_HXX |
| #include <vcl/bmpacc.hxx> |
| #endif |
| |
| // -------------------- |
| // - GIFLZWCompressor - |
| // -------------------- |
| |
| class GIFImageDataOutputStream; |
| struct GIFLZWCTreeNode; |
| |
| class GIFLZWCompressor |
| { |
| private: |
| |
| GIFImageDataOutputStream* pIDOS; |
| GIFLZWCTreeNode* pTable; |
| GIFLZWCTreeNode* pPrefix; |
| sal_uInt16 nDataSize; |
| sal_uInt16 nClearCode; |
| sal_uInt16 nEOICode; |
| sal_uInt16 nTableSize; |
| sal_uInt16 nCodeSize; |
| |
| public: |
| |
| GIFLZWCompressor(); |
| ~GIFLZWCompressor(); |
| |
| void StartCompression( SvStream& rGIF, sal_uInt16 nPixelSize ); |
| void Compress( HPBYTE pSrc, sal_uLong nSize ); |
| void EndCompression(); |
| }; |
| |
| #endif // _GIFLZWC_HXX |
