X-Git-Url: http://gitweb.fperrin.net/?a=blobdiff_plain;f=tim%2Fprune%2Fdata%2FPhoto.java;h=9eacac2706a87d1c2ef451c879ddc717b6c565d6;hb=1ee49ae3c8ef3aa2e63eadd458531e5f8bd4f92c;hp=52743f7a34659d40bd6aebb46b85759b0b524902;hpb=23959e65a6a0d581e657b07186d18b7a1ac5afeb;p=GpsPrune.git

diff --git a/tim/prune/data/Photo.java b/tim/prune/data/Photo.java
index 52743f7..9eacac2 100644
--- a/tim/prune/data/Photo.java
+++ b/tim/prune/data/Photo.java
@@ -1,7 +1,10 @@
 package tim.prune.data;
 
+import java.awt.Dimension;
 import java.io.File;
 
+import javax.swing.ImageIcon;
+
 /**
  * Class to represent a photo and link to DataPoint
  */
@@ -9,9 +12,31 @@ public class Photo
 {
 	/** File where photo is stored */
 	private File _file = null;
+	/** Timestamp, if any */
+	private Timestamp _timestamp = null;
 	/** Associated DataPoint if correlated */
 	private DataPoint _dataPoint = null;
+	/** Size of original image */
+	private Dimension _size = null;
+	/** Status of photo when loaded */
+	private Status _originalStatus = Status.NOT_CONNECTED;
+	/** Current photo status */
+	private Status _currentStatus = Status.NOT_CONNECTED;
+	/** rotation flag (clockwise from 0 to 3) */
+	private int _rotation = 0;
+	// TODO: Need to store caption for image?
+	// thumbnail for image (from exif)
+	private byte[] _exifThumbnail = null;
 
+	/** Photo status */
+	public enum Status {
+		/** Photo is not connected to any point */
+		NOT_CONNECTED,
+		/** Photo has been connected to a point since it was loaded */
+		TAGGED,
+		/** Photo is connected to a point */
+		CONNECTED
+	};
 
 	/**
 	 * Constructor
@@ -20,7 +45,6 @@ public class Photo
 	public Photo(File inFile)
 	{
 		_file = inFile;
-		// TODO: Cache photo file contents to allow thumbnail preview
 	}
 
 
@@ -40,6 +64,15 @@ public class Photo
 	public void setDataPoint(DataPoint inPoint)
 	{
 		_dataPoint = inPoint;
+		// set status according to point
+		if (inPoint == null)
+		{
+			setCurrentStatus(Status.NOT_CONNECTED);
+		}
+		else
+		{
+			setCurrentStatus(Status.CONNECTED);
+		}
 	}
 
 	/**
@@ -50,6 +83,139 @@ public class Photo
 		return _dataPoint;
 	}
 
+	/**
+	 * @param inTimestamp Timestamp of photo
+	 */
+	public void setTimestamp(Timestamp inTimestamp)
+	{
+		_timestamp = inTimestamp;
+	}
+
+	/**
+	 * @return timestamp of photo
+	 */
+	public Timestamp getTimestamp()
+	{
+		return _timestamp;
+	}
+
+	/**
+	 * Calculate the size of the image (slow)
+	 */
+	private void calculateSize()
+	{
+		ImageIcon icon = new ImageIcon(_file.getAbsolutePath());
+		int width = icon.getIconWidth();
+		int height = icon.getIconHeight();
+		if (width > 0 && height > 0)
+		{
+			_size = new Dimension(width, height);
+		}
+	}
+
+	/**
+	 * @return size of image as Dimension object
+	 */
+	public Dimension getSize()
+	{
+		if (_size == null)
+		{
+			calculateSize();
+		}
+		return _size;
+	}
+
+	/**
+	 * @return width of the image, if known
+	 */
+	public int getWidth()
+	{
+		if (_size == null)
+		{
+			calculateSize();
+			if (_size == null) {return -1;}
+		}
+		return _size.width;
+	}
+
+	/**
+	 * @return height of the image, if known
+	 */
+	public int getHeight()
+	{
+		if (_size == null)
+		{
+			calculateSize();
+			if (_size == null) {return -1;}
+		}
+		return _size.height;
+	}
+
+	/**
+	 * @param inStatus status of photo when loaded
+	 */
+	public void setOriginalStatus(Status inStatus)
+	{
+		_originalStatus = inStatus;
+		_currentStatus = inStatus;
+	}
+
+	/**
+	 * @return status of photo when it was loaded
+	 */
+	public Status getOriginalStatus()
+	{
+		return _originalStatus;
+	}
+
+	/**
+	 * @return current status of photo
+	 */
+	public Status getCurrentStatus()
+	{
+		return _currentStatus;
+	}
+	/**
+	 * @param inStatus current status of photo
+	 */
+	public void setCurrentStatus(Status inStatus)
+	{
+		_currentStatus = inStatus;
+	}
+
+	/**
+	 * @return true if photo is connected to a point
+	 */
+	public boolean isConnected()
+	{
+		return _currentStatus != Status.NOT_CONNECTED;
+	}
+
+	/**
+	 * @return byte array of thumbnail data
+	 */
+	public byte[] getExifThumbnail()
+	{
+		return _exifThumbnail;
+	}
+
+	/**
+	 * @param inBytes byte array from exif
+	 */
+	public void setExifThumbnail(byte[] inBytes)
+	{
+		_exifThumbnail = inBytes;
+	}
+
+	/**
+	 * Delete the cached data when the Photo is no longer needed
+	 */
+	public void resetCachedData()
+	{
+		_size = null;
+		// remove thumbnail too
+	}
+
 	/**
 	 * Check if a Photo object refers to the same File as another
 	 * @param inOther other Photo object
@@ -60,4 +226,32 @@ public class Photo
 		return (inOther != null && inOther.getFile() != null && getFile() != null
 			&& inOther.getFile().equals(getFile()));
 	}
+
+	/**
+	 * @param inRotation initial rotation value (from exif)
+	 */
+	public void setRotation(int inRotation)
+	{
+		if (inRotation >= 0 && inRotation <= 3) {
+			_rotation = inRotation;
+		}
+	}
+
+	/**
+	 * Rotate the image by 90 degrees
+	 * @param inRight true to rotate right, false for left
+	 */
+	public void rotate(boolean inRight)
+	{
+		int dir = inRight?1:3;
+		_rotation = (_rotation + dir) % 4;
+	}
+
+	/**
+	 * @return rotation status
+	 */
+	public int getRotationDegrees()
+	{
+		return _rotation * 90;
+	}
 }