summaryrefslogtreecommitdiff
path: root/trunk/pdf-over-gui/src/main/java
diff options
context:
space:
mode:
authortkellner <tkellner@3a0b52a2-8410-0410-bc02-ff6273a87459>2012-10-31 16:36:34 +0000
committertkellner <tkellner@3a0b52a2-8410-0410-bc02-ff6273a87459>2012-10-31 16:36:34 +0000
commit6e3760b19b64b9e00a641a5c6b32d369a895a23b (patch)
tree5311ba193b3d4a416362d06b8161ea2940507d05 /trunk/pdf-over-gui/src/main/java
parent154dca062a6ee705841e8b2c8c5f980e3e8c6483 (diff)
downloadpdf-over-6e3760b19b64b9e00a641a5c6b32d369a895a23b.tar.gz
pdf-over-6e3760b19b64b9e00a641a5c6b32d369a895a23b.tar.bz2
pdf-over-6e3760b19b64b9e00a641a5c6b32d369a895a23b.zip
Replace ICEPdf with PDFRenderer
git-svn-id: https://svn.iaik.tugraz.at/svn/egiz/prj/current/12PDF-OVER-4.0@12693 3a0b52a2-8410-0410-bc02-ff6273a87459
Diffstat (limited to 'trunk/pdf-over-gui/src/main/java')
-rw-r--r--trunk/pdf-over-gui/src/main/java/at/asit/pdfover/gui/composites/PDFViewerComposite.java187
-rw-r--r--trunk/pdf-over-gui/src/main/java/at/asit/pdfover/gui/composites/PositioningComposite.java216
-rw-r--r--trunk/pdf-over-gui/src/main/java/at/asit/pdfover/gui/composites/SignaturePanel.java285
-rw-r--r--trunk/pdf-over-gui/src/main/java/at/asit/pdfover/gui/workflow/states/PositioningState.java15
4 files changed, 405 insertions, 298 deletions
diff --git a/trunk/pdf-over-gui/src/main/java/at/asit/pdfover/gui/composites/PDFViewerComposite.java b/trunk/pdf-over-gui/src/main/java/at/asit/pdfover/gui/composites/PDFViewerComposite.java
deleted file mode 100644
index f2852fcc..00000000
--- a/trunk/pdf-over-gui/src/main/java/at/asit/pdfover/gui/composites/PDFViewerComposite.java
+++ /dev/null
@@ -1,187 +0,0 @@
-/*
- * Copyright 2012 by A-SIT, Secure Information Technology Center Austria
- *
- * Licensed under the EUPL, Version 1.1 or - as soon they will be approved by
- * the European Commission - subsequent versions of the EUPL (the "Licence");
- * You may not use this work except in compliance with the Licence.
- * You may obtain a copy of the Licence at:
- * http://joinup.ec.europa.eu/software/page/eupl
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the Licence is distributed on an "AS IS" basis,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the Licence for the specific language governing permissions and
- * limitations under the Licence.
- */
-package at.asit.pdfover.gui.composites;
-
-// Imports
-import java.awt.Canvas;
-import java.awt.Dimension;
-import java.awt.Frame;
-import java.awt.Graphics;
-import java.awt.geom.Rectangle2D;
-import java.io.File;
-import java.io.IOException;
-
-import org.eclipse.swt.SWT;
-import org.eclipse.swt.awt.SWT_AWT;
-import org.eclipse.swt.events.KeyAdapter;
-import org.eclipse.swt.events.KeyEvent;
-import org.eclipse.swt.widgets.Composite;
-import org.icepdf.core.exceptions.PDFException;
-import org.icepdf.core.exceptions.PDFSecurityException;
-import org.icepdf.core.pobjects.Document;
-import org.icepdf.core.pobjects.Page;
-import org.icepdf.core.util.GraphicsRenderingHints;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-import at.asit.pdfover.gui.workflow.states.PositioningState;
-
-/**
- * Displays a PDF document
- */
-public class PDFViewerComposite extends Composite {
- /**
- * SFL4J Logger instance
- **/
- private static final Logger log = LoggerFactory
- .getLogger(PDFViewerComposite.class);
-
- /**
- * PDF document
- */
- protected Document document;
-
- /**
- * Currently selected page in the document
- */
- protected int page;
-
- /**
- * AWT Canvas displaying the document
- */
- private Canvas canvas = null;
-
- /**
- * Dimension of each page at default zoom
- */
- Dimension[] base_dimensions;
-
- /**
- * Set the document to be displayed
- * @param document PDF document to be displayed
- * @throws PDFException Error parsing PDF document
- * @throws PDFSecurityException Error decrypting PDF document (not supported)
- * @throws IOException I/O Error
- */
- public void setDocument(File document) throws PDFException, PDFSecurityException, IOException {
- this.document = new Document();
- this.document.setFile(document.getPath());
- int pages = this.document.getNumberOfPages();
-
- this.base_dimensions = new Dimension[pages];
- for (int page = 0; page < pages; ++page)
- this.base_dimensions[page] = this.document.getPageDimension(page, 0f, 1.0f).toDimension();
-
- this.page = pages - 1;
-
- if (this.canvas != null)
- this.canvas.repaint();
- }
-
- /**
- * Get the currently selected page in the document
- * @return current page
- */
- public int getPage() {
- return this.page;
- }
-
- /**
- * Set the visible page in the document
- * @param page new active page
- */
- public void setPage(int page) {
- this.page = page;
- this.canvas.repaint();
- }
-
- /**
- * Create the PDF Viewer composite.
- * Displays a PDF document.
- * Starts on the last page.
- * @param parent parent Composite
- * @param style
- * @param document
- * @throws PDFException Error parsing PDF document
- * @throws PDFSecurityException Error decrypting PDF document (not supported)
- * @throws IOException I/O Error
- */
- public PDFViewerComposite(Composite parent, int style, File document) throws PDFException, PDFSecurityException, IOException {
- super(parent, style);
-
- setDocument(document);
-
- Frame frame = SWT_AWT.new_Frame(this);
- this.canvas = new Canvas() {
- private static final long serialVersionUID = 1L;
-
- @Override
- public void paint(Graphics g) {
- if (g == null || g.getClip() == null)
- return;
- int page = getPage();
- // Make page always fit to window
- Dimension d = getSize();
- double h_zoom = d.getWidth() / PDFViewerComposite.this.base_dimensions[page].width;
- double v_zoom = d.getHeight() / PDFViewerComposite.this.base_dimensions[page].height;
- float zoom = (float) (h_zoom < v_zoom ? h_zoom : v_zoom);
- if (v_zoom < h_zoom)
- {
- // Page is narrower than window, center it
- g.translate((int) ((d.width - (PDFViewerComposite.this.base_dimensions[page].width * zoom)) / 2), 0);
- }
-
- log.debug("Repainting " + g.getClipBounds().width + "x" + g.getClipBounds().height + " - " + d.width + "x" + d.height);
- PDFViewerComposite.this.document.paintPage(page, g, GraphicsRenderingHints.SCREEN, Page.BOUNDARY_CROPBOX, 0f, zoom);
- }
- };
- frame.add(this.canvas);
- frame.pack();
- frame.setVisible(true);
-
- this.addKeyListener(new KeyAdapter() {
- @Override
- public void keyPressed(KeyEvent e) {
- int page = getPage();
- int old_page = page;
-
- switch (e.keyCode)
- {
- case SWT.PAGE_DOWN:
- if (page < (PDFViewerComposite.this.document.getNumberOfPages() - 1))
- ++page;
- break;
-
- case SWT.PAGE_UP:
- if (page > 0)
- --page;
- break;
-
- case SWT.END:
- page = (PDFViewerComposite.this.document.getNumberOfPages() - 1);
- break;
-
- case SWT.HOME:
- page = 0;
- break;
- }
-
- if (page != old_page)
- setPage(page);
- }
- });
- }
-}
diff --git a/trunk/pdf-over-gui/src/main/java/at/asit/pdfover/gui/composites/PositioningComposite.java b/trunk/pdf-over-gui/src/main/java/at/asit/pdfover/gui/composites/PositioningComposite.java
index f1f89d79..d1309cf9 100644
--- a/trunk/pdf-over-gui/src/main/java/at/asit/pdfover/gui/composites/PositioningComposite.java
+++ b/trunk/pdf-over-gui/src/main/java/at/asit/pdfover/gui/composites/PositioningComposite.java
@@ -16,32 +16,30 @@
package at.asit.pdfover.gui.composites;
// Imports
+import java.awt.Frame;
+import java.awt.Image;
+import java.awt.event.MouseWheelEvent;
+import java.awt.event.MouseWheelListener;
import java.io.File;
import java.io.IOException;
+import java.io.RandomAccessFile;
+import java.nio.ByteBuffer;
+import java.nio.channels.FileChannel;
import org.eclipse.swt.SWT;
-import org.eclipse.swt.events.DragDetectEvent;
-import org.eclipse.swt.events.DragDetectListener;
-import org.eclipse.swt.events.MouseAdapter;
-import org.eclipse.swt.events.MouseEvent;
-import org.eclipse.swt.events.MouseMoveListener;
-import org.eclipse.swt.events.PaintEvent;
-import org.eclipse.swt.events.PaintListener;
-import org.eclipse.swt.graphics.Point;
-import org.eclipse.swt.graphics.Rectangle;
-import org.eclipse.swt.widgets.Canvas;
+import org.eclipse.swt.awt.SWT_AWT;
+import org.eclipse.swt.events.KeyAdapter;
+import org.eclipse.swt.events.KeyEvent;
+import org.eclipse.swt.events.KeyListener;
import org.eclipse.swt.widgets.Composite;
-import org.eclipse.swt.widgets.Display;
-import org.eclipse.swt.widgets.Event;
-import org.eclipse.swt.widgets.Listener;
-import org.icepdf.core.exceptions.PDFException;
-import org.icepdf.core.exceptions.PDFSecurityException;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import at.asit.pdfover.gui.workflow.states.State;
import at.asit.pdfover.signator.SignaturePosition;
+import com.sun.pdfview.PDFFile;
+
/**
*
*
@@ -53,55 +51,40 @@ public class PositioningComposite extends StateComposite {
static final Logger log = LoggerFactory
.getLogger(PositioningComposite.class);
- PDFViewerComposite viewer = null;
+ private SignaturePanel viewer = null;
- Canvas signature = null;
+ private PDFFile pdf = null;
- private SignaturePosition position = null;
+ private Frame frame = null;
- boolean doDrag = false;
+ int currentPage;
- Point origMousePos = null;
- Rectangle origSigPos = null;
+ int numPages;
- /**
- * Gets the position of the signature
- * @return the SignaturePosition
- */
- public SignaturePosition getPosition() {
- return this.position;
- }
-
- /**
- * Sets the position
- * @param position
- */
- public void setPosition(SignaturePosition position) {
- this.position = position;
- }
+ private SignaturePosition position = null;
/**
* Set the PDF Document to display
* @param document document to display
- * @throws PDFException Error parsing PDF document
- * @throws PDFSecurityException Error decrypting PDF document (not supported)
* @throws IOException I/O Error
*/
- public void displayDocument(File document) throws PDFException, PDFSecurityException, IOException {
+ public void displayDocument(File document) throws IOException {
+ RandomAccessFile rafile = new RandomAccessFile(document, "r"); //$NON-NLS-1$
+ FileChannel chan = rafile.getChannel();
+ ByteBuffer buf = chan.map(FileChannel.MapMode.READ_ONLY, 0, chan.size());
+ chan.close();
+ rafile.close();
+
+ this.pdf = new PDFFile(buf);
if (this.viewer == null)
{
- this.viewer = new PDFViewerComposite(this, SWT.EMBEDDED | SWT.NO_BACKGROUND, document);
- resizeViewer();
+ this.viewer = new SignaturePanel(this.pdf);
+ this.frame.add(this.viewer);
}
else
- this.viewer.setDocument(document);
- }
-
- void resizeViewer()
- {
- Rectangle clientArea = this.getClientArea();
- log.debug("Resizing to " + clientArea.width + "x" + clientArea.height);
- this.viewer.setBounds(0, 0, clientArea.width, clientArea.height);
+ this.viewer.setDocument(this.pdf);
+ this.numPages = this.pdf.getNumPages();
+ showPage(this.numPages);
}
/**
@@ -111,62 +94,73 @@ public class PositioningComposite extends StateComposite {
* @param state
*/
public PositioningComposite(Composite parent, int style, State state) {
- super(parent, style, state);
- this.setLayout(null);
-
- this.addListener(SWT.Resize, new Listener() {
- @Override
- public void handleEvent(Event e) {
- if (PositioningComposite.this.viewer != null)
- resizeViewer();
- }
- });
-
- this.signature = new Canvas(this, SWT.NO_BACKGROUND);
- this.signature.setBounds(200, 200, 150, 40);
- this.signature.addPaintListener(new PaintListener() {
- @Override
- public void paintControl(PaintEvent e) {
-// PositioningComposite.this.viewer.redraw();
- Rectangle r = ((Canvas) e.widget).getBounds();
- e.gc.setForeground(e.display.getSystemColor(SWT.COLOR_BLUE));
- e.gc.drawFocus(5, 5, r.width - 10, r.height - 10);
- e.gc.drawText("Position Signature", 10, 10);
- }
- });
- this.signature.addDragDetectListener(new DragDetectListener() {
- @Override
- public void dragDetected(DragDetectEvent e) {
- PositioningComposite.this.doDrag = true;
- origMousePos = Display.getCurrent().getCursorLocation();
- origSigPos = ((Canvas) e.widget).getBounds();
+ super(parent, style | SWT.EMBEDDED, state);
+ //this.setLayout(null);
+ this.frame = SWT_AWT.new_Frame(this);
+ this.addKeyListener(this.keyListener);
+ this.frame.addMouseWheelListener(this.mouseListener);
+ }
+
+ private KeyListener keyListener = new KeyAdapter() {
+ @Override
+ public void keyPressed(KeyEvent e) {
+ int newPage = PositioningComposite.this.currentPage;
+
+ switch (e.keyCode)
+ {
+ case SWT.PAGE_DOWN:
+ if (PositioningComposite.this.currentPage < PositioningComposite.this.numPages)
+ ++newPage;
+ break;
+
+ case SWT.PAGE_UP:
+ if (PositioningComposite.this.currentPage > 1)
+ --newPage;
+ break;
+
+ case SWT.END:
+ newPage = PositioningComposite.this.numPages;
+ break;
+
+ case SWT.HOME:
+ newPage = 1;
+ break;
+
+ case SWT.CR:
+ case SWT.KEYPAD_CR:
+ PositioningComposite.this.setFinalPosition();
+ break;
}
- });
- this.signature.addMouseMoveListener(new MouseMoveListener() {
- @Override
- public void mouseMove(MouseEvent e) {
- if (PositioningComposite.this.doDrag)
- {
- Point newMousePos = Display.getCurrent().getCursorLocation();
- int x = origSigPos.x + (newMousePos.x - origMousePos.x);
- int y = origSigPos.y + (newMousePos.y - origMousePos.y);
- PositioningComposite.this.signature.setBounds(x, y, origSigPos.width, origSigPos.height);
- }
+
+ if (newPage != PositioningComposite.this.currentPage)
+ showPage(newPage);
+ }
+ };
+
+ private MouseWheelListener mouseListener = new MouseWheelListener() {
+ @Override
+ public void mouseWheelMoved(MouseWheelEvent e) {
+ int newPage = PositioningComposite.this.currentPage;
+
+ if (e.getUnitsToScroll() < 0)
+ {
+ if (PositioningComposite.this.currentPage > 1)
+ newPage--;
}
- });
- this.signature.addMouseListener(new MouseAdapter() {
- @Override
- public void mouseUp(MouseEvent e) {
- if (PositioningComposite.this.doDrag)
- {
- PositioningComposite.this.doDrag = false;
- return;
- }
- // TODO: FIX to get real position
- PositioningComposite.this.setPosition(new SignaturePosition()); // Setting auto position for testing
- PositioningComposite.this.state.updateStateMachine();
+ else if (e.getUnitsToScroll() > 0)
+ {
+ if (PositioningComposite.this.currentPage < PositioningComposite.this.numPages)
+ newPage++;
}
- });
+
+ if (newPage != PositioningComposite.this.currentPage)
+ showPage(newPage);
+ }
+ };
+
+ void showPage(int page) {
+ this.currentPage = page;
+ this.viewer.showPage(page);
}
@Override
@@ -181,4 +175,22 @@ public class PositioningComposite extends StateComposite {
public void doLayout() {
this.layout(true, true);
}
+
+ /**
+ * Set the signature position and continue to the next state
+ * @param position the signature position
+ */
+ void setFinalPosition() {
+ // TODO: check if this is the real position
+ this.position = new SignaturePosition(this.viewer.getSignaturePositionX(), this.viewer.getSignaturePositionY());
+ PositioningComposite.this.state.updateStateMachine();
+ }
+
+ /**
+ * Get the signature position
+ * @return the signature position
+ */
+ public SignaturePosition getPosition() {
+ return this.position;
+ }
}
diff --git a/trunk/pdf-over-gui/src/main/java/at/asit/pdfover/gui/composites/SignaturePanel.java b/trunk/pdf-over-gui/src/main/java/at/asit/pdfover/gui/composites/SignaturePanel.java
new file mode 100644
index 00000000..f90b2591
--- /dev/null
+++ b/trunk/pdf-over-gui/src/main/java/at/asit/pdfover/gui/composites/SignaturePanel.java
@@ -0,0 +1,285 @@
+/*
+ * Copyright 2012 by A-SIT, Secure Information Technology Center Austria
+ *
+ * Licensed under the EUPL, Version 1.1 or - as soon they will be approved by
+ * the European Commission - subsequent versions of the EUPL (the "Licence");
+ * You may not use this work except in compliance with the Licence.
+ * You may obtain a copy of the Licence at:
+ * http://joinup.ec.europa.eu/software/page/eupl
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the Licence is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the Licence for the specific language governing permissions and
+ * limitations under the Licence.
+ */
+package at.asit.pdfover.gui.composites;
+
+// Imports
+import java.awt.BorderLayout;
+import java.awt.Color;
+import java.awt.Dimension;
+import java.awt.Graphics;
+import java.awt.Image;
+import java.awt.event.MouseAdapter;
+import java.awt.event.MouseEvent;
+import java.awt.geom.AffineTransform;
+import java.awt.geom.NoninvertibleTransformException;
+import java.awt.geom.Point2D;
+
+import javax.swing.JPanel;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import com.sun.pdfview.PDFFile;
+import com.sun.pdfview.PDFPage;
+
+/**
+ *
+ */
+public class SignaturePanel extends JPanel {
+ /**
+ * SLF4J Logger instance
+ **/
+ private static final Logger log = LoggerFactory
+ .getLogger(SignaturePanel.class);
+
+ /** Default serial version ID */
+ private static final long serialVersionUID = 1L;
+
+ /** The PDF file being displayed */
+ private PDFFile pdf;
+ /** The image of the rendered PDF page being displayed */
+ Image currentImage;
+ /** The current PDFPage that was rendered into currentImage */
+ private PDFPage currentPage;
+ /** The current page number */
+ AffineTransform currentXform;
+ /** The horizontal offset of the image from the left edge of the panel */
+ int offx;
+ /** The vertical offset of the image from the top of the panel */
+ int offy;
+ /** The size of the image */
+ private Dimension prevSize;
+ /** The position of the signature, in document space */
+ Point2D sigPagePos;
+ /** The position of the signature, in screen space */
+ Point2D sigScreenPos;
+
+ /**
+ * Create a new PagePanel, with a default size of 800 by 600 pixels.
+ * @param pdf the PDFFile to display
+ */
+ public SignaturePanel(PDFFile pdf) {
+ super(new BorderLayout());
+ this.pdf = pdf;
+ this.sigPagePos = null;
+ setPreferredSize(new Dimension(800, 600));
+ setFocusable(true);
+ addMouseListener(this.mouseListener);
+ addMouseMotionListener(this.mouseListener);
+ }
+
+ /**
+ * Set a new document to be displayed
+ * @param pdf the PDFFile to be displayed
+ */
+ public void setDocument(PDFFile pdf)
+ {
+ this.pdf = pdf;
+ this.sigPagePos = null;
+ showPage(pdf.getNumPages());
+ }
+
+ /**
+ * Change the currently displayed page
+ * @param page the number of the page to display
+ */
+ public void showPage(int page) {
+ //sigPagePos = null;
+ showPage(this.pdf.getPage(page));
+ }
+
+ /**
+ * Get the current horizontal position of the signature
+ * @return signature x coordinate
+ */
+ public float getSignaturePositionX() {
+ return (float) this.sigPagePos.getX();
+ }
+
+ /**
+ * Get the current vertical position of the signature
+ * @return signature y coordinate
+ */
+ public float getSignaturePositionY() {
+ return (float) this.sigPagePos.getY();
+ }
+
+ /**
+ * Stop the generation of any previous page, and draw the new one.
+ *
+ * @param page the PDFPage to draw.
+ */
+ private synchronized void showPage(PDFPage page) {
+ // stop drawing the previous page
+ if (this.currentPage != null && this.prevSize != null) {
+ this.currentPage.stop(this.prevSize.width, this.prevSize.height, null);
+ }
+
+ // set up the new page
+ this.currentPage = page;
+
+ if (this.currentPage == null) {
+ // no page
+ this.currentImage = null;
+ this.currentXform = null;
+ repaint();
+ } else {
+ // start drawing
+ Dimension sz = getSize();
+ if (sz.width + sz.height == 0) {
+ // no image to draw.
+ return;
+ }
+
+ Dimension pageSize = this.currentPage.getUnstretchedSize(sz.width, sz.height,
+ null);
+
+ // get the new image
+ this.currentImage = this.currentPage.getImage(pageSize.width, pageSize.height,
+ null, this);
+
+ // calculate the transform from page to screen space
+ this.currentXform = this.currentPage.getInitialTransform(pageSize.width,
+ pageSize.height, null);
+
+ if (this.sigPagePos != null)
+ this.sigScreenPos = this.currentXform.transform(this.sigPagePos, this.sigScreenPos);
+
+ // invert the transform (screen to page space)
+ try {
+ this.currentXform = this.currentXform.createInverse();
+ } catch (NoninvertibleTransformException nte) {
+ log.error("Error inverting page transform!", nte);
+ }
+
+ if (this.sigPagePos == null)
+ {
+ this.sigScreenPos = new Point2D.Double((pageSize.getWidth() / 3) * 2, (pageSize.getHeight() / 4) * 3);
+ this.sigPagePos = this.currentXform.transform(this.sigScreenPos, this.sigPagePos);
+ }
+
+ this.prevSize = pageSize;
+
+ repaint();
+ }
+ }
+
+ /**
+ * Draw the image.
+ */
+ @Override
+ public void paint(Graphics g) {
+ Dimension sz = getSize();
+ g.setColor(getBackground());
+ g.fillRect(0, 0, getWidth(), getHeight());
+ if (this.currentImage == null) {
+ g.setColor(Color.black);
+ g.drawString("No page selected", getWidth() / 2 - 30,
+ getHeight() / 2);
+ if (this.currentPage != null) {
+ showPage(this.currentPage);
+ }
+ } else {
+ // draw the image
+ int imwid = this.currentImage.getWidth(null);
+ int imhgt = this.currentImage.getHeight(null);
+
+ // draw it centered within the panel
+ this.offx = (sz.width - imwid) / 2;
+ this.offy = (sz.height - imhgt) / 2;
+
+ if ((imwid == sz.width && imhgt <= sz.height)
+ || (imhgt == sz.height && imwid <= sz.width)) {
+
+ g.drawImage(this.currentImage, this.offx, this.offy, this);
+
+ g.setColor(Color.red);
+ int sigx = (int) (this.offx + this.sigScreenPos.getX());
+ int sigy = (int) (this.offy + this.sigScreenPos.getY());
+ g.drawRect(sigx - 10, sigy - 10, 20, 20);
+
+ } else {
+ // the image is bogus. try again, or give up.
+ if (this.currentPage != null) {
+ showPage(this.currentPage);
+ }
+ g.setColor(Color.black);
+ g.drawString("Could not render page", getWidth() / 2 - 30,
+ getHeight() / 2);
+ }
+ }
+ }
+
+ /**
+ * Handles notification of the fact that some part of the image changed.
+ * Repaints that portion.
+ *
+ * @return true if more updates are desired.
+ */
+ @Override
+ public boolean imageUpdate(Image img, int infoflags, int x, int y,
+ int width, int height) {
+ if ((infoflags & (SOMEBITS | ALLBITS)) != 0) {
+ repaint(x + this.offx, y + this.offy, width, height);
+ }
+ return ((infoflags & (ALLBITS | ERROR | ABORT)) == 0);
+ }
+
+ private MouseAdapter mouseListener = new MouseAdapter() {
+
+ private void updateSigPos(int sigx, int sigy) {
+ if (SignaturePanel.this.currentImage == null)
+ return;
+ sigx -= SignaturePanel.this.offx;
+ sigx = clamp(sigx, 0, SignaturePanel.this.currentImage.getWidth(null));
+ sigy -= SignaturePanel.this.offy;
+ sigy = clamp(sigy, 0, SignaturePanel.this.currentImage.getHeight(null));
+ SignaturePanel.this.sigScreenPos = new Point2D.Double(sigx, sigy);
+ SignaturePanel.this.sigPagePos = SignaturePanel.this.currentXform.transform(SignaturePanel.this.sigScreenPos, SignaturePanel.this.sigPagePos);
+ repaint();
+ }
+
+ /** Handles a mousePressed event */
+ @Override
+ public void mousePressed(MouseEvent evt) {
+ updateSigPos(evt.getX(), evt.getY());
+ }
+
+ /**
+ * Handles a mouseDragged event.
+ */
+ @Override
+ public void mouseDragged(MouseEvent evt) {
+ updateSigPos(evt.getX(), evt.getY());
+ }
+ };
+
+ /**
+ * Clamp x to be within [min-max]
+ * @param x int to clamp
+ * @param min minimum value
+ * @param max maximum value
+ * @return clamped x
+ */
+ static int clamp(int x, int min, int max)
+ {
+ if (x < min)
+ x = min;
+ else if (x > max)
+ x = max;
+ return x;
+ }
+}
diff --git a/trunk/pdf-over-gui/src/main/java/at/asit/pdfover/gui/workflow/states/PositioningState.java b/trunk/pdf-over-gui/src/main/java/at/asit/pdfover/gui/workflow/states/PositioningState.java
index b595d9e1..1837cdc7 100644
--- a/trunk/pdf-over-gui/src/main/java/at/asit/pdfover/gui/workflow/states/PositioningState.java
+++ b/trunk/pdf-over-gui/src/main/java/at/asit/pdfover/gui/workflow/states/PositioningState.java
@@ -19,8 +19,6 @@ package at.asit.pdfover.gui.workflow.states;
import java.io.IOException;
import org.eclipse.swt.SWT;
-import org.icepdf.core.exceptions.PDFException;
-import org.icepdf.core.exceptions.PDFSecurityException;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
@@ -29,6 +27,10 @@ import at.asit.pdfover.gui.MainWindowBehavior;
import at.asit.pdfover.gui.composites.PositioningComposite;
import at.asit.pdfover.gui.workflow.StateMachine;
import at.asit.pdfover.gui.workflow.Status;
+import at.asit.pdfover.signator.Emblem;
+import at.asit.pdfover.signator.FileNameEmblem;
+import at.asit.pdfover.signator.SignatureException;
+import at.asit.pdfover.signator.SignatureParameter;
/**
* Decides where to position the signature block
@@ -50,7 +52,7 @@ public class PositioningState extends State {
private PositioningComposite positionComposite = null;
- private PositioningComposite getPositioningComposite() throws PDFException, PDFSecurityException, IOException {
+ private PositioningComposite getPositioningComposite() throws IOException {
if (this.positionComposite == null) {
this.positionComposite =
this.stateMachine.getGUIProvider().createComposite(PositioningComposite.class, SWT.RESIZE, this);
@@ -75,14 +77,9 @@ public class PositioningState extends State {
PositioningComposite position = null;
try {
position = this.getPositioningComposite();
- } catch (PDFException e) {
- // TODO Auto-generated catch block
- e.printStackTrace();
- } catch (PDFSecurityException e) {
- // TODO Auto-generated catch block
- e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
+ // FIXME
e.printStackTrace();
}