From c7e17515ef3e7b09b5a822fe81ffbb1e21da6ff9 Mon Sep 17 00:00:00 2001
From: Vincent Hennebert <vhennebert@apache.org>
Date: Fri, 16 Oct 2009 14:12:06 +0000
Subject: [PATCH] Made PDFImageHandlerGraphics2D accessible

git-svn-id: https://svn.apache.org/repos/asf/xmlgraphics/fop/branches/Temp_Accessibility@825902 13f79535-47bb-0310-9956-ffa450edef68
---
 .../render/pdf/PDFImageHandlerGraphics2D.java  | 18 ++++++++++++++++--
 .../org/apache/fop/render/pdf/PDFRenderer.java |  4 ++++
 2 files changed, 20 insertions(+), 2 deletions(-)

diff --git a/src/java/org/apache/fop/render/pdf/PDFImageHandlerGraphics2D.java b/src/java/org/apache/fop/render/pdf/PDFImageHandlerGraphics2D.java
index 18717809d..c3242827a 100644
--- a/src/java/org/apache/fop/render/pdf/PDFImageHandlerGraphics2D.java
+++ b/src/java/org/apache/fop/render/pdf/PDFImageHandlerGraphics2D.java
@@ -35,6 +35,7 @@ import org.apache.fop.pdf.PDFXObject;
 import org.apache.fop.render.AbstractImageHandlerGraphics2D;
 import org.apache.fop.render.RendererContext;
 import org.apache.fop.render.RenderingContext;
+import org.apache.fop.render.pdf.PDFLogicalStructureHandler.MarkedContentInfo;
 import org.apache.fop.svg.PDFGraphics2D;
 
 /**
@@ -63,6 +64,9 @@ public class PDFImageHandlerGraphics2D extends AbstractImageHandlerGraphics2D
                 renderer.currentPage,
                 renderer.getFontInfo());
         Rectangle effPos = new Rectangle(origin.x + pos.x, origin.y + pos.y, pos.width, pos.height);
+        if (context.getUserAgent().isAccessibilityEnabled()) {
+            pdfContext.setMarkedContentInfo(renderer.addCurrentImageToStructureTree());
+        }
         handleImage(pdfContext, image, effPos);
         return null;
     }
@@ -87,7 +91,13 @@ public class PDFImageHandlerGraphics2D extends AbstractImageHandlerGraphics2D
         float sy = fheight / (float)imh;
 
         generator.comment("G2D start");
-        generator.saveGraphicsState();
+        boolean accessibilityEnabled = context.getUserAgent().isAccessibilityEnabled();
+        if (accessibilityEnabled) {
+            MarkedContentInfo mci = pdfContext.getMarkedContentInfo();
+            generator.saveGraphicsState(mci.tag, mci.mcid);
+        } else {
+            generator.saveGraphicsState();
+        }
         generator.updateColor(Color.black, false, null);
         generator.updateColor(Color.black, true, null);
 
@@ -115,7 +125,11 @@ public class PDFImageHandlerGraphics2D extends AbstractImageHandlerGraphics2D
         imageG2D.getGraphics2DImagePainter().paint(graphics, area);
 
         generator.add(graphics.getString());
-        generator.restoreGraphicsState();
+        if (accessibilityEnabled) {
+            generator.restoreGraphicsStateAccess();
+        } else {
+            generator.restoreGraphicsState();
+        }
         generator.comment("G2D end");
     }
 
diff --git a/src/java/org/apache/fop/render/pdf/PDFRenderer.java b/src/java/org/apache/fop/render/pdf/PDFRenderer.java
index 380241ba0..6188433c6 100644
--- a/src/java/org/apache/fop/render/pdf/PDFRenderer.java
+++ b/src/java/org/apache/fop/render/pdf/PDFRenderer.java
@@ -1347,5 +1347,9 @@ public class PDFRenderer extends AbstractPathOrientedRenderer implements PDFConf
     public void setEncryptionParams(PDFEncryptionParams encryptionParams) {
         this.pdfUtil.setEncryptionParams(encryptionParams);
     }
+
+    MarkedContentInfo addCurrentImageToStructureTree() {
+        return logicalStructureHandler.addImageContentItem(imageReference);
+    }
 }
 
-- 
2.39.5