diff options
Diffstat (limited to 'pdf-over-gui/src/main/java/at/asit/pdfover/gui/composites')
-rw-r--r-- | pdf-over-gui/src/main/java/at/asit/pdfover/gui/composites/PositioningComposite.java | 10 | ||||
-rw-r--r-- | pdf-over-gui/src/main/java/at/asit/pdfover/gui/composites/SignaturePanel.java | 114 |
2 files changed, 73 insertions, 51 deletions
diff --git a/pdf-over-gui/src/main/java/at/asit/pdfover/gui/composites/PositioningComposite.java b/pdf-over-gui/src/main/java/at/asit/pdfover/gui/composites/PositioningComposite.java index 88577f7f..dc512d19 100644 --- a/pdf-over-gui/src/main/java/at/asit/pdfover/gui/composites/PositioningComposite.java +++ b/pdf-over-gui/src/main/java/at/asit/pdfover/gui/composites/PositioningComposite.java @@ -27,6 +27,7 @@ import java.awt.event.KeyListener; import java.awt.event.MouseWheelEvent; import java.awt.event.MouseWheelListener; +import org.apache.pdfbox.pdmodel.PDDocument; import org.eclipse.swt.SWT; import org.eclipse.swt.awt.SWT_AWT; import org.eclipse.swt.events.SelectionAdapter; @@ -47,8 +48,6 @@ import at.asit.pdfover.commons.Messages; import at.asit.pdfover.gui.workflow.states.State; import at.asit.pdfover.signator.SignaturePosition; -import com.sun.pdfview.PDFFile; - /** * Composite which allows to position the signature on a preview of the document */ @@ -56,8 +55,7 @@ public class PositioningComposite extends StateComposite { /** * SLF4J Logger instance **/ - static final Logger log = LoggerFactory - .getLogger(PositioningComposite.class); + static final Logger log = LoggerFactory.getLogger(PositioningComposite.class); SignaturePanel viewer = null; Frame frame = null; @@ -155,7 +153,7 @@ public class PositioningComposite extends StateComposite { * @param document * document to display */ - public void displayDocument(final PDFFile document) { + public void displayDocument(final PDDocument document) { if (this.viewer == null) { EventQueue.invokeLater(() -> { this.viewer = new SignaturePanel(document); @@ -173,7 +171,7 @@ public class PositioningComposite extends StateComposite { if (document != null) { - this.numPages = document.getNumPages(); + this.numPages = document.getNumberOfPages(); this.scrollbar.setValues(1, 1, this.numPages + 1, 1, 1, 1); showPage(this.numPages); } diff --git a/pdf-over-gui/src/main/java/at/asit/pdfover/gui/composites/SignaturePanel.java b/pdf-over-gui/src/main/java/at/asit/pdfover/gui/composites/SignaturePanel.java index ec2b1a65..3a325684 100644 --- a/pdf-over-gui/src/main/java/at/asit/pdfover/gui/composites/SignaturePanel.java +++ b/pdf-over-gui/src/main/java/at/asit/pdfover/gui/composites/SignaturePanel.java @@ -29,18 +29,21 @@ import java.awt.geom.NoninvertibleTransformException; import java.awt.geom.Point2D;
import java.awt.geom.Rectangle2D;
import java.awt.image.BufferedImage;
+import java.io.IOException;
import javax.swing.JPanel;
+import org.apache.pdfbox.pdmodel.PDDocument;
+import org.apache.pdfbox.pdmodel.PDPage;
+import org.apache.pdfbox.pdmodel.common.PDRectangle;
+import org.apache.pdfbox.pdmodel.interactive.form.PDRadioButton;
+import org.apache.pdfbox.rendering.PDFRenderer;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import at.asit.pdfover.commons.Constants;
import at.asit.pdfover.commons.Messages;
-import com.sun.pdfview.PDFFile;
-import com.sun.pdfview.PDFPage;
-
/**
*
*/
@@ -55,13 +58,14 @@ public class SignaturePanel extends JPanel { private static final long serialVersionUID = 1L;
/** The PDF file being displayed */
- private PDFFile pdf = null;
+ private PDDocument pdf = null;
+ private PDFRenderer renderer = null;
/** The image of the rendered PDF page being displayed */
Image currentImage = null;
/** The current PDFPage that was rendered into currentImage */
- private PDFPage currentPage = null;
+ private PDPage currentPage = null;
/** The current transform from screen to page space */
- AffineTransform currentXform = null;
+ AffineTransform currentTransform = null;
/** The horizontal offset of the image from the left edge of the panel */
int offX = 0;
/** The vertical offset of the image from the top of the panel */
@@ -95,7 +99,7 @@ public class SignaturePanel extends JPanel { /** Color of the signature placeholder border */
private Color sigPlaceholderBorderColor = Color.BLUE;
/** Current page */
- int page = 0;
+ int currentPageNo = 0;
/** Number of pages in the document */
int numPages = 0;
/** Cursor types */
@@ -113,7 +117,7 @@ public class SignaturePanel extends JPanel { * Create a new PagePanel.
* @param pdf the PDFFile to display
*/
- public SignaturePanel(PDFFile pdf) {
+ public SignaturePanel(PDDocument pdf) {
super(new BorderLayout());
setDocument(pdf);
setPreferredSize(new Dimension(Constants.DEFAULT_MAINWINDOW_WIDTH, Constants.DEFAULT_MAINWINDOW_HEIGHT - Constants.MAINBAR_HEIGHT));
@@ -126,19 +130,22 @@ public class SignaturePanel extends JPanel { * Set a new document to be displayed
* @param pdf the PDFFile to be displayed
*/
- public void setDocument(PDFFile pdf) {
+ public void setDocument(PDDocument pdf) {
this.pdf = pdf;
this.sigPagePos = null;
if (pdf != null)
{
- this.numPages = pdf.getNumPages();
+ this.renderer = new PDFRenderer(pdf);
+ this.numPages = pdf.getNumberOfPages();
showPage(this.numPages);
}
else
{
- this.page = 0;
+ this.renderer = null;
+ this.currentPageNo = 0;
this.numPages = 0;
- showPage(null);
+ renderPageToImage();
+ repaint();
}
}
@@ -169,8 +176,9 @@ public class SignaturePanel extends JPanel { * @param page the number of the page to display
*/
public void showPage(int page) {
- this.page = page;
- showPage(this.pdf.getPage(page));
+ this.currentPageNo = page;
+ renderPageToImage();
+ repaint();
}
/**
@@ -227,29 +235,30 @@ public class SignaturePanel extends JPanel { *
* @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);
+ private synchronized void renderPageToImage() {
+ if (this.pdf == null)
+ {
+ this.currentImage = null;
+ this.currentTransform = null;
+ return;
}
boolean newPage = false;
// set up the new page
- if (this.page > this.numPages)
+ if (this.currentPageNo > this.numPages)
{
// New last page - use old last page as template
- this.currentPage = this.pdf.getPage(this.numPages);
+ this.currentPage = this.pdf.getPage(this.numPages-1);
newPage = true;
}
else
- this.currentPage = page;
+ this.currentPage = this.pdf.getPage(this.currentPageNo-1);
if (this.currentPage == null) {
// no page
this.currentImage = null;
- this.currentXform = null;
- repaint();
+ this.currentTransform = null;
} else {
// start drawing
Dimension sz = getSize();
@@ -258,8 +267,14 @@ public class SignaturePanel extends JPanel { return;
}
- Dimension pageSize = this.currentPage.getUnstretchedSize(sz.width, sz.height,
- null);
+ PDRectangle clip = this.currentPage.getBBox();
+ double clipRatio = clip.getHeight() / clip.getWidth();
+ double myRatio = (double)sz.height / (double)sz.width;
+ Dimension pageSize = (Dimension)sz.clone();
+ if (myRatio > clipRatio)
+ pageSize.height = (int)(pageSize.width * clipRatio + 0.5);
+ else
+ pageSize.width = (int)(pageSize.height / clipRatio + 0.5);
// get the new image
if (newPage)
@@ -270,25 +285,36 @@ public class SignaturePanel extends JPanel { g.fillRect(0, 0, pageSize.width, pageSize.height);
}
else
- this.currentImage = this.currentPage.getImage(pageSize.width, pageSize.height,
- null, this);
+ {
+ int whichPage = Math.min(this.currentPageNo, this.numPages);
+ float scale = 1;
+ if (pageSize.width == sz.width)
+ scale = ((float) sz.width) / clip.getWidth();
+ else if (pageSize.height == sz.height)
+ scale = ((float) sz.height) / clip.getHeight();
+
+ try {
+ this.currentImage = renderer.renderImage(whichPage-1, scale);
+ } catch (IOException e) {
+ log.error(String.format("Failed to render image for page %d of %d", whichPage, this.numPages), e);
+ }
+ }
// calculate the transform from page to screen space
- this.currentXform = new AffineTransform(1, 0, 0, -1, 0, pageSize.height);
- Rectangle2D clip = this.currentPage.getBBox();
+ this.currentTransform = new AffineTransform(1, 0, 0, -1, 0, pageSize.height);
double scaleX = pageSize.width / clip.getWidth();
double scaleY = pageSize.height / clip.getHeight();
- this.currentXform.scale(scaleX, scaleY);
- this.currentXform.translate(-clip.getMinX(), -clip.getMinY());
+ this.currentTransform.scale(scaleX, scaleY);
+ this.currentTransform.translate(-clip.getLowerLeftX(), -clip.getLowerLeftY());
if (this.sigPagePos != null)
- this.sigScreenPos = this.currentXform.transform(this.sigPagePos, this.sigScreenPos);
- this.sigScreenWidth = (int) Math.round(this.sigPageWidth * this.currentXform.getScaleX());
- this.sigScreenHeight = (int) Math.round(this.sigPageHeight * this.currentXform.getScaleX());
+ this.sigScreenPos = this.currentTransform.transform(this.sigPagePos, this.sigScreenPos);
+ this.sigScreenWidth = (int) Math.round(this.sigPageWidth * this.currentTransform.getScaleX());
+ this.sigScreenHeight = (int) Math.round(this.sigPageHeight * this.currentTransform.getScaleX());
// invert the transform (screen to page space)
try {
- this.currentXform = this.currentXform.createInverse();
+ this.currentTransform = this.currentTransform.createInverse();
} catch (NoninvertibleTransformException nte) {
log.error("Error inverting page transform!", nte);
}
@@ -298,14 +324,12 @@ public class SignaturePanel extends JPanel { this.sigScreenPos = new Point2D.Double(
clamp((int) (pageSize.getWidth() / 2), 0, this.currentImage.getWidth(null) - this.sigScreenWidth),
clamp((int) ((pageSize.getHeight() / 4) * 3), 0, this.currentImage.getHeight(null) - this.sigScreenHeight));
- this.sigPagePos = this.currentXform.transform(this.sigScreenPos, this.sigPagePos);
+ this.sigPagePos = this.currentTransform.transform(this.sigScreenPos, this.sigPagePos);
}
else
updateSigPos((int) this.sigScreenPos.getX(), (int) this.sigScreenPos.getY());
this.prevSize = pageSize;
-
- repaint();
}
}
@@ -319,10 +343,10 @@ public class SignaturePanel extends JPanel { g.fillRect(0, 0, getWidth(), getHeight());
if (this.currentImage == null) {
g.setColor(Color.black);
- g.drawString(Messages.getString("error.SignaturePanel.NoPage"), getWidth() / 2 - 30,
- getHeight() / 2);
+ g.drawString(Messages.getString("error.SignaturePanel.NoPage"), getWidth() / 2 - 30, getHeight() / 2);
if (this.currentPage != null) {
- showPage(this.currentPage);
+ renderPageToImage();
+ repaint();
}
} else {
// draw the image
@@ -395,9 +419,9 @@ public class SignaturePanel extends JPanel { } else {
// the image is bogus. try again, or give up.
- if (this.currentPage != null) {
- showPage(this.currentPage);
- }
+ if (this.currentPage != null)
+ renderPageToImage();
+
g.setColor(Color.black);
g.drawString(Messages.getString("error.SignaturePanel.NoRender"), getWidth() / 2 - 30,
getHeight() / 2);
@@ -536,7 +560,7 @@ public class SignaturePanel extends JPanel { sigx = clamp(sigx, 0, this.currentImage.getWidth(null) - this.sigScreenWidth);
sigy = clamp(sigy, 0, this.currentImage.getHeight(null) - this.sigScreenHeight);
this.sigScreenPos = new Point2D.Double(sigx, sigy);
- this.sigPagePos = this.currentXform.transform(this.sigScreenPos, this.sigPagePos);
+ this.sigPagePos = this.currentTransform.transform(this.sigScreenPos, this.sigPagePos);
repaint();
}
|