Added 'vmtx' table.

1 files changed, 112 insertions, 0 deletions

diff --git a/src/net/java/dev/typecast/ot/table/VmtxTable.java b/src/net/java/dev/typecast/ot/table/VmtxTable.java
new file mode 100644
index 0000000..b2d9a3c
--- /dev/null
+++ b/src/net/java/dev/typecast/ot/table/VmtxTable.java
@@ -0,0 +1,112 @@
+/*
+ * $Id: VmtxTable.java,v 1.1 2007-01-31 01:18:04 davidsch Exp $
+ *
+ * Typecast - The Font Development Environment
+ *
+ * Copyright (c) 2004-2007 David Schweinsberg
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package net.java.dev.typecast.ot.table;
+
+import java.io.DataInput;
+import java.io.IOException;
+
+/**
+ * Vertical Metrics Table
+ * @version $Id: VmtxTable.java,v 1.1 2007-01-31 01:18:04 davidsch Exp $
+ * @author <a href="mailto:[email protected]">David Schweinsberg</a>
+ */
+public class VmtxTable implements Table {
+
+    private DirectoryEntry _de;
+    private int[] _vMetrics = null;
+    private short[] _topSideBearing = null;
+
+    protected VmtxTable(
+            DirectoryEntry de,
+            DataInput di,
+            VheaTable vhea,
+            MaxpTable maxp) throws IOException {
+        _de = (DirectoryEntry) de.clone();
+        _vMetrics = new int[vhea.getNumberOfLongVerMetrics()];
+        for (int i = 0; i < vhea.getNumberOfLongVerMetrics(); ++i) {
+            _vMetrics[i] =
+                    di.readUnsignedByte()<<24
+                    | di.readUnsignedByte()<<16
+                    | di.readUnsignedByte()<<8
+                    | di.readUnsignedByte();
+        }
+        int tsbCount = maxp.getNumGlyphs() - vhea.getNumberOfLongVerMetrics();
+        _topSideBearing = new short[tsbCount];
+        for (int i = 0; i < tsbCount; ++i) {
+            _topSideBearing[i] = di.readShort();
+        }
+    }
+
+    public int getAdvanceHeight(int i) {
+        if (_vMetrics == null) {
+            return 0;
+        }
+        if (i < _vMetrics.length) {
+            return _vMetrics[i] >> 16;
+        } else {
+            return _vMetrics[_vMetrics.length - 1] >> 16;
+        }
+    }
+
+    public short getTopSideBearing(int i) {
+        if (_vMetrics == null) {
+            return 0;
+        }
+        if (i < _vMetrics.length) {
+            return (short)(_vMetrics[i] & 0xffff);
+        } else {
+            return _topSideBearing[i - _vMetrics.length];
+        }
+    }
+
+    public int getType() {
+        return vmtx;
+    }
+
+    public String toString() {
+        StringBuffer sb = new StringBuffer();
+        sb.append("'vmtx' Table - Vertical Metrics\n-------------------------------\n");
+        sb.append("Size = ").append(_de.getLength()).append(" bytes, ")
+            .append(_vMetrics.length).append(" entries\n");
+        for (int i = 0; i < _vMetrics.length; i++) {
+            sb.append("        ").append(i)
+                .append(". advHeight: ").append(getAdvanceHeight(i))
+                .append(", TSdBear: ").append(getTopSideBearing(i))
+                .append("\n");
+        }
+        for (int i = 0; i < _topSideBearing.length; i++) {
+            sb.append("        TSdBear ").append(i + _vMetrics.length)
+                .append(": ").append(_topSideBearing[i])
+                .append("\n");
+        }
+        return sb.toString();
+    }
+
+    /**
+     * Get a directory entry for this table.  This uniquely identifies the
+     * table in collections where there may be more than one instance of a
+     * particular table.
+     * @return A directory entry
+     */
+    public DirectoryEntry getDirectoryEntry() {
+        return _de;
+    }
+}