1 files changed, 83 insertions, 0 deletions
diff --git a/src/jogl/classes/jogamp/opengl/util/pngj/chunks/PngChunkTIME.java b/src/jogl/classes/jogamp/opengl/util/pngj/chunks/PngChunkTIME.java
new file mode 100644
index 000000000..37e617acb
--- /dev/null
+++ b/src/jogl/classes/jogamp/opengl/util/pngj/chunks/PngChunkTIME.java
@@ -0,0 +1,83 @@
+package jogamp.opengl.util.pngj.chunks;
+
+import java.util.Calendar;
+
+import jogamp.opengl.util.pngj.ImageInfo;
+import jogamp.opengl.util.pngj.PngHelper;
+import jogamp.opengl.util.pngj.PngjException;
+
+
+public class PngChunkTIME extends PngChunk {
+	// http://www.w3.org/TR/PNG/#11tIME
+	private int year, mon, day, hour, min, sec;
+
+	public PngChunkTIME(ImageInfo info) {
+		super(ChunkHelper.tIME, info);
+	}
+
+	@Override
+	public ChunkRaw createChunk() {
+		ChunkRaw c = createEmptyChunk(7, true);
+		PngHelper.writeInt2tobytes(year, c.data, 0);
+		c.data[2] = (byte) mon;
+		c.data[3] = (byte) day;
+		c.data[4] = (byte) hour;
+		c.data[5] = (byte) min;
+		c.data[6] = (byte) sec;
+		return c;
+	}
+
+	@Override
+	public void parseFromChunk(ChunkRaw chunk) {
+		if (chunk.len != 7)
+			throw new PngjException("bad chunk " + chunk);
+		year = PngHelper.readInt2fromBytes(chunk.data, 0);
+		mon = PngHelper.readInt1fromByte(chunk.data, 2);
+		day = PngHelper.readInt1fromByte(chunk.data, 3);
+		hour = PngHelper.readInt1fromByte(chunk.data, 4);
+		min = PngHelper.readInt1fromByte(chunk.data, 5);
+		sec = PngHelper.readInt1fromByte(chunk.data, 6);
+	}
+
+	@Override
+	public void cloneDataFromRead(PngChunk other) {
+		PngChunkTIME x = (PngChunkTIME) other;
+		year = x.year;
+		mon = x.mon;
+		day = x.day;
+		hour = x.hour;
+		min = x.min;
+		sec = x.sec;
+	}
+
+	public void setNow(int secsAgo) {
+		Calendar d = Calendar.getInstance();
+		d.setTimeInMillis(System.currentTimeMillis() - 1000 * (long) secsAgo);
+		year = d.get(Calendar.YEAR);
+		mon = d.get(Calendar.MONTH) + 1;
+		day = d.get(Calendar.DAY_OF_MONTH);
+		hour = d.get(Calendar.HOUR_OF_DAY);
+		min = d.get(Calendar.MINUTE);
+		sec = d.get(Calendar.SECOND);
+	}
+
+	public void setYMDHMS(int yearx, int monx, int dayx, int hourx, int minx, int secx) {
+		year = yearx;
+		mon = monx;
+		day = dayx;
+		hour = hourx;
+		min = minx;
+		sec = secx;
+	}
+	public int[] getYMDHMS() {
+		return new int[] { year, mon, day, hour, min, sec };
+	}
+
+	/** format YYYY/MM/DD HH:mm:SS */
+	public String getAsString() {
+		return String.format("%04/%02d/%02d %02d:%02d:%02d", year, mon, day, hour, min, sec);
+	}
+
+	
+
+}