+ implemented fallback for placeholder creation

git-svn-id: https://svn.iaik.tugraz.at/svn/egiz/prj/current/12PDF-OVER-4.0@12694 3a0b52a2-8410-0410-bc02-ff6273a87459

5 files changed, 57 insertions, 28 deletions

diff --git a/trunk/pdf-over-gui/src/main/java/at/asit/pdfover/gui/ImageConverter.java b/trunk/pdf-over-gui/src/main/java/at/asit/pdfover/gui/ImageConverter.java
index 28fb55a6..83beceff 100644
--- a/trunk/pdf-over-gui/src/main/java/at/asit/pdfover/gui/ImageConverter.java
+++ b/trunk/pdf-over-gui/src/main/java/at/asit/pdfover/gui/ImageConverter.java
@@ -18,6 +18,7 @@ package at.asit.pdfover.gui;
 // Imports
 import java.awt.image.BufferedImage;
 import java.awt.image.ColorModel;
+import java.awt.image.ComponentColorModel;
 import java.awt.image.DirectColorModel;
 import java.awt.image.IndexColorModel;
 import java.awt.image.WritableRaster;
@@ -147,8 +148,28 @@ public class ImageConverter {
 				}
 			}
 			return data;
+		} else if (bufferedImage.getColorModel() instanceof ComponentColorModel) {
+		    ComponentColorModel colorModel = (ComponentColorModel)bufferedImage.getColorModel();
+
+		    //ASSUMES: 3 BYTE BGR IMAGE TYPE
+
+		    PaletteData palette = new PaletteData(0x0000FF, 0x00FF00,0xFF0000);
+		    ImageData data = new ImageData(bufferedImage.getWidth(), bufferedImage.getHeight(), colorModel.getPixelSize(), palette);
+
+		    //This is valid because we are using a 3-byte Data model with no transparent pixels
+		    data.transparentPixel = -1;
+
+		    WritableRaster raster = bufferedImage.getRaster();
+		    int[] pixelArray = new int[3];
+		    for (int y = 0; y < data.height; y++) {
+		        for (int x = 0; x < data.width; x++) {
+		            raster.getPixel(x, y, pixelArray);
+		            int pixel = palette.getPixel(new RGB(pixelArray[0], pixelArray[1], pixelArray[2]));
+		            data.setPixel(x, y, pixel);
+		        }
+		    }
+		    return data;
 		}
 		return null;
 	}
-
 }
diff --git a/trunk/pdf-over-gui/src/main/java/at/asit/pdfover/gui/workflow/states/mobilebku/PostSLRequestThread.java b/trunk/pdf-over-gui/src/main/java/at/asit/pdfover/gui/workflow/states/mobilebku/PostSLRequestThread.java
index 260f49d6..34430abb 100644
--- a/trunk/pdf-over-gui/src/main/java/at/asit/pdfover/gui/workflow/states/mobilebku/PostSLRequestThread.java
+++ b/trunk/pdf-over-gui/src/main/java/at/asit/pdfover/gui/workflow/states/mobilebku/PostSLRequestThread.java
@@ -62,7 +62,6 @@ public class PostSLRequestThread implements Runnable {
 
 		@Override
 		public long getLength() {
-			// TODO Auto-generated method stub
 			return this.source.getLength();
 		}
 
diff --git a/trunk/pdf-over-signator/src/main/java/at/asit/pdfover/signator/SignatureParameter.java b/trunk/pdf-over-signator/src/main/java/at/asit/pdfover/signator/SignatureParameter.java
index fc9fb346..5f394c1b 100644
--- a/trunk/pdf-over-signator/src/main/java/at/asit/pdfover/signator/SignatureParameter.java
+++ b/trunk/pdf-over-signator/src/main/java/at/asit/pdfover/signator/SignatureParameter.java
@@ -126,9 +126,8 @@ public abstract class SignatureParameter {
 	/**
 	 * Gets the Dimension to display the Placeholder
 	 * @return the placeholder dimensions
-	 * @throws SignatureException thrown if the creation of the placeholdes fails
 	 */
-	public abstract Image getPlaceholder() throws SignatureException;
+	public abstract Image getPlaceholder();
 	
 	
 	/**
diff --git a/trunk/pdf-over-signer/pdf-over-sigpdfas/src/main/java/at/asit/pdfover/signer/pdfas/PdfAsSignatureParameter.java b/trunk/pdf-over-signer/pdf-over-sigpdfas/src/main/java/at/asit/pdfover/signer/pdfas/PdfAsSignatureParameter.java
index 8668a3f3..3879c434 100644
--- a/trunk/pdf-over-signer/pdf-over-sigpdfas/src/main/java/at/asit/pdfover/signer/pdfas/PdfAsSignatureParameter.java
+++ b/trunk/pdf-over-signer/pdf-over-sigpdfas/src/main/java/at/asit/pdfover/signer/pdfas/PdfAsSignatureParameter.java
@@ -32,7 +32,6 @@ import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
 import at.asit.pdfover.signator.SignatureDimension;
-import at.asit.pdfover.signator.SignatureException;
 import at.asit.pdfover.signator.SignatureParameter;
 import at.asit.pdfover.signator.SignaturePosition;
 import at.gv.egiz.pdfas.api.io.DataSource;
@@ -113,53 +112,62 @@ public class PdfAsSignatureParameter extends SignatureParameter {
 	 * @see at.asit.pdfover.signator.SignatureParameter#getPlaceholder()
 	 */
 	@Override
-	public Image getPlaceholder() throws SignatureException {
+	public Image getPlaceholder() {
 
-		try
-		{
+		try {
 			PDFASHelper.getPdfAs();
-	
+
 			SignatureObject sign_obj = at.knowcenter.wag.egov.egiz.PdfAS
 					.createSignatureObjectFromType(PDFASSigner.PROFILE_ID);
-	
+
 			sign_obj.fillValues(' ', true, false);
 			sign_obj.setKZ(BinarySignator_1_1_0.MY_ID);
-	
+
 			float width = getPlaceholderDimension().getWidth();
 			float height = getPlaceholderDimension().getHeight();
-	
+
 			Table table = sign_obj.getAbstractTable();
-	
+
 			table.getStyle().getBgColor();
-	
+
 			log.info(table.toString());
-	
-			float[] heights = this.getTableHeights(table, table.getStyle(), height);
-	
+
+			float[] heights = this.getTableHeights(table, table.getStyle(),
+					height);
+
 			log.info("Width: " + width + " Height: " + height);
 			BufferedImage image = new BufferedImage((int) width, (int) height,
 					BufferedImage.TYPE_INT_RGB);
 			Graphics graphic = image.getGraphics();
-	
+
 			graphic.setColor(table.getStyle().getBgColor());
 			graphic.fillRect(0, 0, (int) width, (int) height);
-	
+
 			graphic.setColor(Color.black);
 			graphic.drawRect(0, 0, (int) width, (int) height);
-	
+
 			this.drawTable(0, 0, (int) width, (int) height, table,
 					table.getStyle(), graphic, heights);
-	
-			save(image, "jpg");
-	
+
+			//save(image, "png");
+
 			return image;
-		}
-			catch (Exception ex) {
-				log.error("Failed to create Placeholder!", ex);
-				throw new SignatureException(ex.getMessage());
+		} catch (Exception ex) {
+			try {
+				return ImageIO.read(PdfAsSignatureParameter.class
+						.getResourceAsStream("/img/fallbackPlaceholder.png"));
+			} catch (IOException e) {
+				return new BufferedImage(getPlaceholderDimension().getWidth(), getPlaceholderDimension().getHeight(), BufferedImage.TYPE_INT_RGB);
+			}
 		}
 	}
 
+	/**
+	 * used for debugging ..
+	 * @param image
+	 * @param ext
+	 */
+	@SuppressWarnings("unused")
 	private static void save(BufferedImage image, String ext) {
 		String fileName = "savingAnImage";
 		File file = new File(fileName + "." + ext);
@@ -186,7 +194,9 @@ public class PdfAsSignatureParameter extends SignatureParameter {
 
 	/**
 	 * extracts the value font
-	 * @param style the table style
+	 * 
+	 * @param style
+	 *            the table style
 	 * @return the value font
 	 */
 	@SuppressWarnings("unused")
diff --git a/trunk/pdf-over-signer/pdf-over-sigpdfas/src/main/resources/img/fallbackPlaceholder.png b/trunk/pdf-over-signer/pdf-over-sigpdfas/src/main/resources/img/fallbackPlaceholder.png
new file mode 100644
index 00000000..809e08f5
--- /dev/null
+++ b/trunk/pdf-over-signer/pdf-over-sigpdfas/src/main/resources/img/fallbackPlaceholder.png