public static void testWrite(string src, string target) { // for writing is not necesary to register DummyClass c = new DummyClass(); c.name = "Hernán"; c.age = 45; PngReader pngr = FileHelper.CreatePngReader(src); PngWriter pngw = FileHelper.CreatePngWriter(target, pngr.ImgInfo, true); pngw.CopyChunksFirst(pngr, ChunkCopyBehaviour.COPY_ALL_SAFE); PngChunkSERI mychunk = new PngChunkSERI(pngw.ImgInfo); mychunk.SetObj(c); mychunk.Priority = true; // if we want it to be written as soon as possible pngw.GetChunksList().Queue(mychunk); for (int row = 0; row < pngr.ImgInfo.Rows; row++) { ImageLine l1 = pngr.ReadRow(row); pngw.WriteRow(l1, row); } pngw.CopyChunksLast(pngr, ChunkCopyBehaviour.COPY_ALL); pngr.End(); pngw.End(); Console.Out.WriteLine("Done. Writen : " + target); }
public static void testRead(String file) { // register with factory chunk PngChunk.FactoryRegister(PngChunkSERI.ID, typeof(PngChunkSERI)); // read all file PngReader pngr = FileHelper.CreatePngReader(file); pngr.ReadSkippingAllRows(); pngr.End(); // we assume there can be at most one chunk of this type... PngChunk chunk = pngr.GetChunksList().GetById1(PngChunkSERI.ID); // This would work even if not registered, but then PngChunk would be of type PngChunkUNKNOWN Console.Out.WriteLine(chunk); // the following would fail if we had not register the chunk PngChunkSERI chunkprop = (PngChunkSERI)chunk; string name = chunkprop.GetObj().name; int age = chunkprop.GetObj().age; Console.Out.WriteLine("Done. Name: " + name + " age=" + age); }
public override void CloneDataFromRead(PngChunk other) { PngChunkSERI otherx = (PngChunkSERI)other; this.obj = otherx.obj; // shallow clone, we could implement other copying }