1 files changed, 146 insertions, 0 deletions
diff --git a/src/main/java/org/pdfbox/pdmodel/common/PDRange.java b/src/main/java/org/pdfbox/pdmodel/common/PDRange.java
new file mode 100644
index 0000000..2493d87
--- /dev/null
+++ b/src/main/java/org/pdfbox/pdmodel/common/PDRange.java
@@ -0,0 +1,146 @@
+/**
+ * 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.pdmodel.common;
+
+import org.pdfbox.cos.COSArray;
+import org.pdfbox.cos.COSBase;
+import org.pdfbox.cos.COSFloat;
+import org.pdfbox.cos.COSNumber;
+
+/**
+ * This class will be used to signify a range.  a(min) <= a* <= a(max)
+ *
+ * @author Ben Litchfield (ben@csh.rit.edu)
+ * @version $Revision: 1.2 $
+ */
+public class PDRange implements COSObjectable
+{
+    private COSArray rangeArray;
+    private int startingIndex;
+
+    /**
+     * Constructor with an initial range of 0..1.
+     */
+    public PDRange()
+    {
+        rangeArray = new COSArray();
+        rangeArray.add( new COSFloat( 0.0f ) );
+        rangeArray.add( new COSFloat( 1.0f ) );
+        startingIndex = 0;
+    }
+
+    /**
+     * Constructor assumes a starting index of 0.
+     *
+     * @param range The array that describes the range.
+     */
+    public PDRange( COSArray range )
+    {
+        rangeArray = range;
+    }
+
+    /**
+     * Constructor with an index into an array.  Because some arrays specify
+     * multiple ranges ie [ 0,1,  0,2,  2,3 ] It is convenient for this
+     * class to take an index into an array.  So if you want this range to
+     * represent 0,2 in the above example then you would say <code>new PDRange( array, 2 )</code>.
+     *
+     * @param range The array that describes the index
+     * @param index The index into the array for the start of the range.
+     */
+    public PDRange( COSArray range, int index )
+    {
+        rangeArray = range;
+        startingIndex = index;
+    }
+
+    /**
+     * Convert this standard java object to a COS object.
+     *
+     * @return The cos object that matches this Java object.
+     */
+    public COSBase getCOSObject()
+    {
+        return rangeArray;
+    }
+
+    /**
+     * This will get the underlying array value.
+     *
+     * @return The cos object that this object wraps.
+     */
+    public COSArray getCOSArray()
+    {
+        return rangeArray;
+    }
+
+    /**
+     * This will get the minimum value of the range.
+     *
+     * @return The min value.
+     */
+    public float getMin()
+    {
+        COSNumber min = (COSNumber)rangeArray.getObject( startingIndex );
+        return min.floatValue();
+    }
+
+    /**
+     * This will set the minimum value for the range.
+     *
+     * @param min The new minimum for the range.
+     */
+    public void setMin( float min )
+    {
+        rangeArray.set( startingIndex, new COSFloat( min ) );
+    }
+
+    /**
+     * This will get the maximum value of the range.
+     *
+     * @return The max value.
+     */
+    public float getMax()
+    {
+        COSNumber max = (COSNumber)rangeArray.getObject( startingIndex+1 );
+        return max.floatValue();
+    }
+
+    /**
+     * This will set the maximum value for the range.
+     *
+     * @param max The new maximum for the range.
+     */
+    public void setMax( float max )
+    {
+        rangeArray.set( startingIndex+1, new COSFloat( max ) );
+    }
+}
+\ No newline at end of file