1 files changed, 99 insertions, 0 deletions
diff --git a/src/main/java/org/pdfbox/util/operator/ShowTextGlyph.java b/src/main/java/org/pdfbox/util/operator/ShowTextGlyph.java
new file mode 100644
index 0000000..cf22e11
--- /dev/null
+++ b/src/main/java/org/pdfbox/util/operator/ShowTextGlyph.java
@@ -0,0 +1,99 @@
+/**
+ * Copyright (c) 2004, www.pdfbox.org
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ * 3. Neither the name of pdfbox; nor the names of its
+ *    contributors may be used to endorse or promote products derived from this
+ *    software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * http://www.pdfbox.org
+ *
+ */
+package org.pdfbox.util.operator;
+
+import java.util.List;
+import org.apache.log4j.Logger;
+import org.pdfbox.util.Matrix;
+import org.pdfbox.util.PDFOperator;
+import org.pdfbox.cos.COSArray;
+import org.pdfbox.cos.COSBase;
+import org.pdfbox.cos.COSNumber;
+import java.io.IOException;
+import org.pdfbox.cos.COSString;
+
+/**
+ * <p>Titre : PDFEngine Modification.</p>
+ * <p>Description : Structal modification of the PDFEngine class : the long sequence of 
+ *    conditions in processOperator is remplaced by this strategy pattern</p>
+ * <p>Copyright : Copyright (c) 2004</p>
+ * <p>Société : DBGS</p>
+ * @author Huault : huault@free.fr
+ * @version $Revision: 1.5 $
+ */
+
+public class ShowTextGlyph extends OperatorProcessor 
+{
+    private static final Logger LOG = Logger.getLogger(ShowTextGlyph.class);
+
+    /**
+     * TJ Show text, allowing individual glyph positioning.
+     * @param operator The operator that is being executed.
+     * @param arguments List
+     * @throws IOException If there is an error processing this operator.
+     */
+    public void process(PDFOperator operator, List arguments) throws IOException 
+    {
+        COSArray array = (COSArray)arguments.get( 0 );
+        float adjustment=0;
+        for( int i=0; i<array.size(); i++ )
+        {
+            COSBase next = array.get( i );
+            if( next instanceof COSNumber )
+            {
+                adjustment = ((COSNumber)next).floatValue();
+
+                Matrix adjMatrix = new Matrix();
+                adjustment=(-adjustment/1000)*context.getGraphicsState().getTextState().getFontSize() *
+                    (context.getGraphicsState().getTextState().getHorizontalScalingPercent()/100);
+                adjMatrix.setValue( 2, 0, adjustment );
+                if( LOG.isDebugEnabled() )
+                {
+                    LOG.debug( "TJ adjustment=" + adjustment + " textMatrix=" + context.getTextMatrix() );
+                }
+                context.setTextMatrix( adjMatrix.multiply( context.getTextMatrix() ) );
+                if( LOG.isDebugEnabled() )
+                {
+                    LOG.debug( "textMatrix after=" + context.getTextMatrix() );
+                }
+            }
+            else if( next instanceof COSString )
+            {
+                context.showString( ((COSString)next).getBytes() );
+            }
+            else
+            {
+                throw new IOException( "Unknown type in array for TJ operation:" + next );
+            }
+        }
+    }
+
+}