1 /* 2 * Copyright (C) 2010 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #ifndef SkFlate_DEFINED 18 #define SkFlate_DEFINED 19 20 #include "SkTypes.h" 21 22 class SkDynamicMemoryWStream; 23 class SkStream; 24 25 /** \class SkFlate 26 A class to provide access to the flate compression algorithm. 27 */ 28 class SkFlate { 29 public: 30 /** Indicates if the flate algorithm is available. 31 */ 32 static bool HaveFlate(); 33 34 /** Use the flate compression algorithm to compress the data in src, 35 putting the result into dst. Returns false if an error occurs. 36 */ 37 static bool Deflate(SkStream* src, SkDynamicMemoryWStream* dst); 38 39 /** Use the flate compression algorithm to decompress the data in src, 40 putting the result into dst. Returns false if an error occurs. 41 */ 42 static bool Inflate(SkStream* src, SkDynamicMemoryWStream* dst); 43 }; 44 45 #endif 46
