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Diffstat (limited to 'canvas/source/java/TextLayout.java')
-rw-r--r-- | canvas/source/java/TextLayout.java | 205 |
1 files changed, 205 insertions, 0 deletions
diff --git a/canvas/source/java/TextLayout.java b/canvas/source/java/TextLayout.java new file mode 100644 index 000000000000..1a443fcbeeac --- /dev/null +++ b/canvas/source/java/TextLayout.java @@ -0,0 +1,205 @@ +/************************************************************************* + * + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * Copyright 2000, 2010 Oracle and/or its affiliates. + * + * OpenOffice.org - a multi-platform office productivity suite + * + * 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 ); + } +} |