+
−package ar.com.hjg.pngj.chunks;
+
−
+
−import ar.com.hjg.pngj.ImageInfo;
+
−import ar.com.hjg.pngj.PngjException;
+
−
+
−/**
+
− * tEXt chunk.
+
− * <p>
+
− * see http://www.w3.org/TR/PNG/#11tEXt
+
− */
+
−public class PngChunkTEXT extends PngChunkTextVar {
+
−  public final static String ID = ChunkHelper.tEXt;
+
−
+
−  public PngChunkTEXT(ImageInfo info) {
+
−    super(ID, info);
+
−  }
+
−
+
−  public PngChunkTEXT(ImageInfo info, String key, String val) {
+
−    super(ID, info);
+
−    setKeyVal(key, val);
+
−  }
+
−
+
−  @Override
+
−  public ChunkRaw createRawChunk() {
+
−    if (key == null || key.trim().length() == 0)
+
−      throw new PngjException("Text chunk key must be non empty");
+
−    byte[] b = ChunkHelper.toBytes(key + "\0" + val);
+
−    ChunkRaw chunk = createEmptyChunk(b.length, false);
+
−    chunk.data = b;
+
−    return chunk;
+
−  }
+
−
+
−  @Override
+
−  public void parseFromRaw(ChunkRaw c) {
+
−    int i;
+
−    for (i = 0; i < c.data.length; i++)
+
−      if (c.data[i] == 0)
+
−        break;
+
−    key = ChunkHelper.toString(c.data, 0, i);
+
−    i++;
+
−    val = i < c.data.length ? ChunkHelper.toString(c.data, i, c.data.length - i) : "";
+
−  }
+
−
+
−}