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+/*************************************************************************
+ *
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * Copyright 2008 by Sun Microsystems, Inc.
+ *
+ * OpenOffice.org - a multi-platform office productivity suite
+ *
+ * $RCSfile: TextLayout.java,v $
+ * $Revision: 1.6 $
+ *
+ * This file is part of OpenOffice.org.
+ *
+ * OpenOffice.org is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License version 3
+ * only, as published by the Free Software Foundation.
+ *
+ * OpenOffice.org is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License version 3 for more details
+ * (a copy is included in the LICENSE file that accompanied this code).
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * version 3 along with OpenOffice.org. If not, see
+ * <http://www.openoffice.org/license.html>
+ * for a copy of the LGPLv3 License.
+ *
+ ************************************************************************/
+
+// Canvas
+import com.sun.star.rendering.*;
+
+public class TextLayout
+ extends com.sun.star.lib.uno.helper.ComponentBase
+ implements com.sun.star.lang.XServiceInfo,
+ com.sun.star.rendering.XTextLayout
+{
+ private double[] advancements;
+ private StringContext text;
+ private byte direction;
+ private CanvasBase associatedCanvas;
+ private CanvasFont font;
+
+ //----------------------------------------------------------------------------------
+
+ public TextLayout( StringContext aText,
+ byte nDirection,
+ long nRandomSeed,
+ CanvasFont _font,
+ CanvasBase _canvas )
+ {
+ text = aText;
+ direction = nDirection;
+ associatedCanvas = _canvas;
+ font = _font;
+ }
+
+ //
+ // XTextLayout implementation
+ // ==========================
+ //
+
+ public XPolyPolygon2D[] queryTextShapes( )
+ {
+ // TODO
+ return null;
+ }
+
+ public com.sun.star.geometry.RealRectangle2D[] queryInkMeasures( )
+ {
+ // TODO
+ return null;
+ }
+
+ public com.sun.star.geometry.RealRectangle2D[] queryMeasures( )
+ {
+ // TODO
+ return null;
+ }
+
+ public double[] queryLogicalAdvancements( )
+ {
+ // TODO
+ return null;
+ }
+
+ public void applyLogicalAdvancements( double[] aAdvancements ) throws com.sun.star.lang.IllegalArgumentException
+ {
+ if( aAdvancements.length != text.Length )
+ throw new com.sun.star.lang.IllegalArgumentException();
+
+ advancements = aAdvancements;
+ }
+
+ public com.sun.star.geometry.RealRectangle2D queryTextBounds( )
+ {
+ // TODO
+ return null;
+ }
+
+ public double justify( double nSize ) throws com.sun.star.lang.IllegalArgumentException
+ {
+ // TODO
+ return 0;
+ }
+
+ public double combinedJustify( XTextLayout[] aNextLayouts, double nSize ) throws com.sun.star.lang.IllegalArgumentException
+ {
+ // TODO
+ return 0;
+ }
+
+ public TextHit getTextHit( /*IN*/com.sun.star.geometry.RealPoint2D aHitPoint )
+ {
+ // TODO
+ return null;
+ }
+
+ public Caret getCaret( int nInsertionIndex, boolean bExcludeLigatures ) throws com.sun.star.lang.IndexOutOfBoundsException
+ {
+ // TODO
+ return null;
+ }
+
+ public int getNextInsertionIndex( int nStartIndex, int nCaretAdvancement, boolean bExcludeLigatures ) throws com.sun.star.lang.IndexOutOfBoundsException
+ {
+ // TODO
+ return 0;
+ }
+
+ public XPolyPolygon2D queryVisualHighlighting( int nStartIndex, int nEndIndex ) throws com.sun.star.lang.IndexOutOfBoundsException
+ {
+ // TODO
+ return null;
+ }
+
+ public XPolyPolygon2D queryLogicalHighlighting( int nStartIndex, int nEndIndex ) throws com.sun.star.lang.IndexOutOfBoundsException
+ {
+ // TODO
+ return null;
+ }
+
+ public double getBaselineOffset( )
+ {
+ // TODO
+ return 0.0;
+ }
+
+ public byte getMainTextDirection( )
+ {
+ return direction;
+ }
+
+ public XCanvasFont getFont( )
+ {
+ return font;
+ }
+
+ public StringContext getText( )
+ {
+ return text;
+ }
+
+ public boolean draw( java.awt.Graphics2D graphics )
+ {
+ // TODO: use proper advancement. Text direction need not be horizontal!
+ // TODO: given text string need not have a one-to-one relationship between code point and glyph (offset)!
+ graphics.drawString( text.Text.substring(text.StartPosition, text.StartPosition + 1), (float)0.0, (float)0.0 );
+ for( int i=1; i<advancements.length && i<text.Length; ++i )
+ {
+ CanvasUtils.printLog( "XCanvas: drawOffsettedText rendering a \"" +
+ text.Text.substring(text.StartPosition + i,
+ text.StartPosition + i + 1) +
+ "\" (position " + (text.StartPosition + i) +
+ " of " + text.Text + ", offset " + advancements[i] + ")" );
+
+ graphics.drawString( text.Text.substring(text.StartPosition + i, text.StartPosition + i + 1), (float)advancements[i-1], (float)0.0 );
+ }
+
+ return true;
+ }
+
+ //----------------------------------------------------------------------------------
+
+ //
+ // XServiceInfo impl
+ // =================
+ //
+
+ private static final String s_implName = "CanvasFont.java.impl";
+ private static final String s_serviceName = "com.sun.star.rendering.XCanvasFont";
+
+ public String getImplementationName()
+ {
+ return s_implName;
+ }
+
+ public String [] getSupportedServiceNames()
+ {
+ return new String [] { s_serviceName };
+ }
+
+ public boolean supportsService( String serviceName )
+ {
+ return serviceName.equals( s_serviceName );
+ }
+}