X-Git-Url: http://git.nikiroo.be/?a=blobdiff_plain;f=src%2Fbe%2Fnikiroo%2Futils%2Fui%2FImageUtilsAwt.java;h=4cf12c04cd0573629d90ed6e376be7c5ca6e7155;hb=505be508ae7d3fb48122be548b310a238cfb91eb;hp=6e9160f5c02f38964e343035d4cda7a7c7f34cff;hpb=7b42695f536a88cfc5fed57e98687394e3c42fe9;p=nikiroo-utils.git

diff --git a/src/be/nikiroo/utils/ui/ImageUtilsAwt.java b/src/be/nikiroo/utils/ui/ImageUtilsAwt.java
index 6e9160f..4cf12c0 100644
--- a/src/be/nikiroo/utils/ui/ImageUtilsAwt.java
+++ b/src/be/nikiroo/utils/ui/ImageUtilsAwt.java
@@ -11,6 +11,7 @@ import javax.imageio.ImageIO;
 
 import be.nikiroo.utils.Image;
 import be.nikiroo.utils.ImageUtils;
+import be.nikiroo.utils.StringUtils;
 
 /**
  * This class offer some utilities based around images and uses java.awt.
@@ -18,6 +19,13 @@ import be.nikiroo.utils.ImageUtils;
  * @author niki
  */
 public class ImageUtilsAwt extends ImageUtils {
+	@Override
+	protected boolean check() {
+		// Will not work if ImageIO is not available
+		ImageIO.getCacheDirectory();
+		return true;
+	}
+
 	@Override
 	public void saveAsImage(Image img, File target, String format)
 			throws IOException {
@@ -91,7 +99,19 @@ public class ImageUtilsAwt extends ImageUtils {
 			}
 
 			if (image == null) {
-				throw new IOException("Failed to convert input to image");
+				String extra = "";
+				if (img.getSize() <= 2048) {
+					try {
+						extra = ", content: "
+								+ new String(img.getData(), "UTF-8");
+					} catch (Exception e) {
+						extra = ", content unavailable";
+					}
+				}
+				String ssize = StringUtils.formatNumber(img.getSize());
+				throw new IOException(
+						"Failed to convert input to image, size was: " + ssize
+								+ extra);
 			}
 
 			// Note: this code has been found on Internet;