X-Git-Url: http://git.nikiroo.be/?a=blobdiff_plain;f=src%2Fbe%2Fnikiroo%2Fjvcard%2Fresources%2FStringUtils.java;h=e9203d5b5226b37d52fe102622f49ca729ba4f0b;hb=59597d59aa262e31c2e1b7f66b4cb299f88ebd1b;hp=bfe0d3da44782e82db58416549c1b11a3f74a33e;hpb=7da41ecd30228908bf2afcd07ff7943ab59d4c01;p=jvcard.git

diff --git a/src/be/nikiroo/jvcard/resources/StringUtils.java b/src/be/nikiroo/jvcard/resources/StringUtils.java
index bfe0d3d..e9203d5 100644
--- a/src/be/nikiroo/jvcard/resources/StringUtils.java
+++ b/src/be/nikiroo/jvcard/resources/StringUtils.java
@@ -1,5 +1,10 @@
 package be.nikiroo.jvcard.resources;
 
+import java.awt.Image;
+import java.awt.image.BufferedImage;
+import java.io.ByteArrayInputStream;
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
 import java.security.MessageDigest;
 import java.security.NoSuchAlgorithmException;
 import java.text.Normalizer;
@@ -9,6 +14,9 @@ import java.text.SimpleDateFormat;
 import java.util.Date;
 import java.util.regex.Pattern;
 
+import javax.imageio.ImageIO;
+import javax.xml.bind.DatatypeConverter;
+
 import com.googlecode.lanterna.gui2.LinearLayout.Alignment;
 
 public class StringUtils {
@@ -22,8 +30,7 @@ public class StringUtils {
 	 * @param text
 	 *            the {@link String} to fix
 	 * @param width
-	 *            the size of the resulting {@link String} if the text fits or
-	 *            if cut is TRUE
+	 *            the size of the resulting {@link String} or -1 for a noop
 	 * 
 	 * @return the resulting {@link String} of size <i>size</i>
 	 */
@@ -39,7 +46,7 @@ public class StringUtils {
 	 *            the {@link String} to fix
 	 * @param width
 	 *            the size of the resulting {@link String} if the text fits or
-	 *            if cut is TRUE
+	 *            if cut is TRUE or -1 for a noop
 	 * @param cut
 	 *            cut the {@link String} shorter if needed
 	 * @param align
@@ -173,6 +180,51 @@ public class StringUtils {
 		}
 	}
 
+	/**
+	 * Convert the given {@link Image} object into a Base64 representation of
+	 * the same {@link Image}. object.
+	 * 
+	 * @param image
+	 *            the {@link Image} object to convert
+	 * 
+	 * @return the Base64 representation
+	 */
+	static public String fromImage(BufferedImage image) {
+		String imageString = null;
+		ByteArrayOutputStream out = new ByteArrayOutputStream();
+
+		try {
+			ImageIO.write(image, "jpeg", out);
+			byte[] imageBytes = out.toByteArray();
+
+			imageString = DatatypeConverter.printBase64Binary(imageBytes);
+
+			out.close();
+		} catch (IOException e) {
+		}
+
+		return imageString;
+	}
+
+	/**
+	 * Convert the given Base64 representation of an image into an {@link Image}
+	 * object.
+	 * 
+	 * @param b64data
+	 *            the {@link Image} in Base64 format
+	 * 
+	 * @return the {@link Image} object
+	 * 
+	 * @throws IOException
+	 *             in case of IO error
+	 */
+	static public BufferedImage toImage(String b64data) throws IOException {
+		BufferedImage image = ImageIO.read(new ByteArrayInputStream(
+				DatatypeConverter.parseBase64Binary(b64data)));
+		image.toString();
+		return image;
+	}
+
 	/**
 	 * Return a hash of the given {@link String}.
 	 *