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authorJakob Heher <jakob.heher@iaik.tugraz.at>2022-08-08 13:32:30 +0200
committerJakob Heher <jakob.heher@iaik.tugraz.at>2022-08-08 13:32:30 +0200
commit3679f37f129b16daadb490d6987fdd038b096bfc (patch)
tree960193629b0899d90297d5f918f337024fad1db5 /pdf-over-gui/src/main/java/at
parent84a9465b14154f3e56a6b772d21e70f1c60bdf47 (diff)
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cached asynchronous pdf-as placeholders
Diffstat (limited to 'pdf-over-gui/src/main/java/at')
-rw-r--r--pdf-over-gui/src/main/java/at/asit/pdfover/gui/composites/SignaturePanel.java2
-rw-r--r--pdf-over-gui/src/main/java/at/asit/pdfover/gui/composites/configuration/SimpleConfigurationComposite.java73
-rw-r--r--pdf-over-gui/src/main/java/at/asit/pdfover/gui/workflow/states/PositioningState.java7
3 files changed, 41 insertions, 41 deletions
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 879a3e98..02b1e21e 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
@@ -156,6 +156,8 @@ public class SignaturePanel extends JPanel {
this.sigPageWidth = placeholder.getWidth(null) / 4;
this.sigPageHeight = placeholder.getHeight(null) / 4;
this.sigPlaceholderTransparency = transparency;
+ renderPageToImage();
+ repaint();
}
/**
diff --git a/pdf-over-gui/src/main/java/at/asit/pdfover/gui/composites/configuration/SimpleConfigurationComposite.java b/pdf-over-gui/src/main/java/at/asit/pdfover/gui/composites/configuration/SimpleConfigurationComposite.java
index 28baa158..6a074187 100644
--- a/pdf-over-gui/src/main/java/at/asit/pdfover/gui/composites/configuration/SimpleConfigurationComposite.java
+++ b/pdf-over-gui/src/main/java/at/asit/pdfover/gui/composites/configuration/SimpleConfigurationComposite.java
@@ -15,7 +15,6 @@
*/
package at.asit.pdfover.gui.composites.configuration;
-import java.awt.image.BufferedImage;
// Imports
import java.io.File;
import java.util.Arrays;
@@ -34,7 +33,6 @@ import org.eclipse.swt.events.PaintEvent;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.graphics.Image;
-import org.eclipse.swt.graphics.ImageData;
import org.eclipse.swt.graphics.Point;
import org.eclipse.swt.graphics.Rectangle;
import org.eclipse.swt.layout.FormLayout;
@@ -58,13 +56,13 @@ import at.asit.pdfover.gui.controls.Dialog.BUTTONS;
import at.asit.pdfover.gui.controls.ErrorDialog;
import at.asit.pdfover.gui.controls.ErrorMarker;
import at.asit.pdfover.gui.exceptions.InvalidEmblemFile;
-import at.asit.pdfover.gui.utils.ImageConverter;
import at.asit.pdfover.gui.utils.SWTUtils;
-import at.asit.pdfover.gui.workflow.config.ConfigurationManager;
import at.asit.pdfover.gui.workflow.config.ConfigurationDataInMemory;
+import at.asit.pdfover.gui.workflow.config.ConfigurationManager;
import at.asit.pdfover.gui.workflow.states.State;
import at.asit.pdfover.signator.Emblem;
import at.asit.pdfover.signer.pdfas.PdfAs4SignatureParameter;
+import at.asit.pdfover.signer.pdfas.PdfAs4SignaturePlaceholder;
/**
*
@@ -338,41 +336,9 @@ public class SimpleConfigurationComposite extends ConfigurationCompositeBase {
reloadResources();
}
- boolean needSigPreviewUpdate = true;
+ private PdfAs4SignatureParameter sigPreviewParam = null;
private Image sigPreview = null;
void paintSignaturePreview(PaintEvent evt) {
- if (needSigPreviewUpdate)
- {
- String image = this.configurationContainer.getEmblemPath();
- ImageData img = null;
-
- try {
- PdfAs4SignatureParameter param = new PdfAs4SignatureParameter();
- param.signatureProfile = this.configurationContainer.getSignatureProfile();
- if(this.configurationContainer.signatureNote != null && !this.configurationContainer.signatureNote.isEmpty()) {
- param.signatureNote = this.configurationContainer.signatureNote;
- }
-
- param.signatureLanguage = this.configurationContainer.signatureLocale.getLanguage();
- param.enablePDFACompat = this.configurationContainer.signaturePDFACompat;
- if (image != null && !image.trim().isEmpty()) {
- param.emblem = new Emblem(image);
- }
-
- // TODO getPlaceholder is super slow, can we async this somehow?
- img = ImageConverter.convertToSWT((BufferedImage) param.getPlaceholder());
- } catch (Exception e) {
- log.error("Failed to load image for display...", e);
- }
-
- if (img != null) {
- this.sigPreview = new Image(this.getDisplay(), img);
- } else {
- this.sigPreview = null;
- }
- needSigPreviewUpdate = false;
- }
-
if (this.sigPreview == null)
return;
Rectangle r = this.sigPreview.getBounds();
@@ -443,8 +409,37 @@ public class SimpleConfigurationComposite extends ConfigurationCompositeBase {
}
void signatureBlockPreviewChanged() {
- needSigPreviewUpdate = true;
- this.cSigPreview.redraw();
+ try {
+ PdfAs4SignatureParameter param = new PdfAs4SignatureParameter();
+ param.signatureProfile = this.configurationContainer.getSignatureProfile();
+ if(this.configurationContainer.signatureNote != null && !this.configurationContainer.signatureNote.isEmpty()) {
+ param.signatureNote = this.configurationContainer.signatureNote;
+ }
+
+ param.signatureLanguage = this.configurationContainer.signatureLocale.getLanguage();
+ param.enablePDFACompat = this.configurationContainer.signaturePDFACompat;
+ String image = this.configurationContainer.getEmblemPath();
+ if (image != null && !image.trim().isEmpty()) {
+ param.emblem = new Emblem(image);
+ }
+
+ this.sigPreviewParam = param;
+ PdfAs4SignaturePlaceholder.For(param, (p) -> {
+ if (this.isDisposed())
+ return;
+
+ this.getDisplay().syncExec(() -> {
+ if (this.sigPreviewParam != param)
+ return;
+ if (this.sigPreview != null)
+ this.sigPreview.dispose();
+ this.sigPreview = new Image(this.getDisplay(), p.getSWTImage());
+ this.cSigPreview.redraw();
+ });
+ });
+ } catch (Exception e) {
+ log.error("Failed to load image for display...", e);
+ }
}
void processEmblemChanged(String filename) {
diff --git a/pdf-over-gui/src/main/java/at/asit/pdfover/gui/workflow/states/PositioningState.java b/pdf-over-gui/src/main/java/at/asit/pdfover/gui/workflow/states/PositioningState.java
index f814bd85..1a4767dd 100644
--- a/pdf-over-gui/src/main/java/at/asit/pdfover/gui/workflow/states/PositioningState.java
+++ b/pdf-over-gui/src/main/java/at/asit/pdfover/gui/workflow/states/PositioningState.java
@@ -37,6 +37,7 @@ import at.asit.pdfover.gui.workflow.config.ConfigurationManager;
import at.asit.pdfover.signator.Emblem;
import at.asit.pdfover.signator.SignaturePosition;
import at.asit.pdfover.signer.pdfas.PdfAs4SignatureParameter;
+import at.asit.pdfover.signer.pdfas.PdfAs4SignaturePlaceholder;
/**
* Decides where to position the signature block
@@ -117,9 +118,11 @@ public class PositioningState extends State {
param.signatureLanguage = config.getSignatureLocale().getLanguage();
param.enablePDFACompat = config.getSignaturePdfACompat();
- this.positionComposite.setPlaceholder(
- param.getPlaceholder(),
+ PdfAs4SignaturePlaceholder.For(param, (p) -> {
+ this.positionComposite.setPlaceholder(
+ p.getAWTImage(),
config.getPlaceholderTransparency());
+ });
if (this.previousPosition != null && !this.previousPosition.useAutoPositioning())
{