.net c# 读取解析ios.ipa包中被优化后的png图标

PNGChunk[] chunks = PNGChunkParser.ChunksFromStream(stream).ToArray(); IEnumerable<PNGChunk> fixedChunks = PNGDecrusher.DecrushChunks(chunks); MemoryStream output = new MemoryStream(); PNGChunkParser.WriteChunksAsPNG(fixedChunks, output);