356 lines
16 KiB
Java
356 lines
16 KiB
Java
/*************************************************************************
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*
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* Copyright 2008 by Sun Microsystems, Inc.
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*
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* OpenOffice.org - a multi-platform office productivity suite
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*
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* $RCSfile: CanvasBase.java,v $
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* $Revision: 1.8 $
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*
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* This file is part of OpenOffice.org.
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*
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* OpenOffice.org is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License version 3
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* only, as published by the Free Software Foundation.
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*
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* OpenOffice.org is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License version 3 for more details
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* (a copy is included in the LICENSE file that accompanied this code).
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*
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* You should have received a copy of the GNU Lesser General Public License
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* version 3 along with OpenOffice.org. If not, see
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* <http://www.openoffice.org/license.html>
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* for a copy of the LGPLv3 License.
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*
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************************************************************************/
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// UNO
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import com.sun.star.uno.UnoRuntime;
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import com.sun.star.uno.XComponentContext;
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import com.sun.star.uno.AnyConverter;
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import com.sun.star.uno.IQueryInterface;
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import com.sun.star.lang.XInitialization;
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import com.sun.star.lib.uno.helper.WeakBase;
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// OOo AWT
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import com.sun.star.awt.*;
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// Canvas
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import com.sun.star.rendering.*;
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import com.sun.star.geometry.*;
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// Java AWT
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import java.awt.*;
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import java.awt.geom.*;
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public abstract class CanvasBase
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extends com.sun.star.lib.uno.helper.ComponentBase
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implements com.sun.star.rendering.XCanvas
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{
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// to be overridden
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public abstract Graphics2D getGraphics();
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//----------------------------------------------------------------------------------
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//
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// XCanvas interface
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// =================
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//
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public synchronized void clear()
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{
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Graphics2D graphics = getGraphics();
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// TODO(F3): retrieve true dimensions of the Graphics
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graphics.clearRect(0,0,1000,1000);
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}
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public synchronized void drawPoint( RealPoint2D aPoint,
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ViewState viewState,
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RenderState renderState ) throws com.sun.star.lang.IllegalArgumentException
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{
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// cache
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Graphics2D graphics = getGraphics();
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// initialize the Graphics2D
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CanvasUtils.setupGraphicsState( graphics, viewState, renderState, CanvasUtils.alsoSetupPaint );
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// calculate the domain value for a single device pixel. we're
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// using delta mapping here, to avoid later subtraction of two
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// mapped values (as we really only need a transformed size,
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// not a transformed point).
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AffineTransform transform = graphics.getTransform();
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AffineTransform inverse;
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try
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{
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inverse = transform.createInverse();
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}
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catch( NoninvertibleTransformException e )
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{
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// transformation not invertible. Nothing to render then.
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return;
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}
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java.awt.geom.Point2D.Double pointSize = new java.awt.geom.Point2D.Double(1.0,1.0);
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java.awt.geom.Point2D.Double domainPointSize = new java.awt.geom.Point2D.Double();
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inverse.deltaTransform( pointSize, domainPointSize );
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// render a circle one device pixel wide
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Ellipse2D.Double ellipse = new Ellipse2D.Double(aPoint.X, aPoint.Y, domainPointSize.x, domainPointSize.y);
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// render, at last
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graphics.fill( ellipse );
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CanvasUtils.printLog( "XCanvas: drawPoint called" );
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}
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public synchronized void drawLine( RealPoint2D aStartPoint,
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RealPoint2D aEndPoint,
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ViewState viewState,
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RenderState renderState ) throws com.sun.star.lang.IllegalArgumentException
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{
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// cache
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Graphics2D graphics = getGraphics();
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// initialize the Graphics2D
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CanvasUtils.setupGraphicsState( graphics, viewState, renderState, CanvasUtils.alsoSetupPaint );
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graphics.setStroke( new BasicStroke() );
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// setup line object
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Line2D.Double line = new Line2D.Double(aStartPoint.X, aStartPoint.Y, aEndPoint.X, aEndPoint.Y);
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// render, at last
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graphics.draw( line );
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CanvasUtils.printLog( "XCanvas: drawLine called" );
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}
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public synchronized void drawBezier( RealBezierSegment2D aBezierSegment,
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RealPoint2D aEndPoint,
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ViewState viewState,
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RenderState renderState ) throws com.sun.star.lang.IllegalArgumentException
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{
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// cache
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Graphics2D graphics = getGraphics();
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// initialize the Graphics2D
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CanvasUtils.setupGraphicsState( graphics, viewState, renderState, CanvasUtils.alsoSetupPaint );
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graphics.setStroke( new BasicStroke() );
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// setup bezier object
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CubicCurve2D.Double curve = new CubicCurve2D.Double(aBezierSegment.Px, aBezierSegment.Py,
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aBezierSegment.C1x, aBezierSegment.C1y,
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aBezierSegment.C2x, aBezierSegment.C2y,
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aEndPoint.X, aEndPoint.Y);
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// render, at last
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graphics.draw( curve );
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CanvasUtils.printLog( "XCanvas: drawbezier called" );
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}
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public synchronized XCachedPrimitive drawPolyPolygon( XPolyPolygon2D xPolyPolygon,
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ViewState viewState,
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RenderState renderState ) throws com.sun.star.lang.IllegalArgumentException
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{
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CanvasUtils.printLog( "CanvasBase.drawPolyPolygon() called" );
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// cache
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Graphics2D graphics = getGraphics();
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// initialize the Graphics2D
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CanvasUtils.setupGraphicsState( graphics, viewState, renderState, CanvasUtils.alsoSetupPaint );
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graphics.setStroke( new BasicStroke() );
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// render the polygon
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// TODO: maybe use Graphics.drawPolyline here!
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graphics.draw( CanvasUtils.makeGeneralPath(xPolyPolygon) );
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CanvasUtils.printLog( "XCanvas: drawPolyPolygon called" );
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return null;
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}
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public synchronized XCachedPrimitive strokePolyPolygon( XPolyPolygon2D xPolyPolygon,
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ViewState viewState,
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RenderState renderState,
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StrokeAttributes strokeAttributes ) throws com.sun.star.lang.IllegalArgumentException
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{
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// cache
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Graphics2D graphics = getGraphics();
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// initialize the Graphics2D
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CanvasUtils.setupGraphicsState( graphics, viewState, renderState, CanvasUtils.alsoSetupPaint );
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CanvasUtils.applyStrokeAttributes( graphics, strokeAttributes );
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// stroke the polygon
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graphics.draw( CanvasUtils.makeGeneralPath(xPolyPolygon) );
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CanvasUtils.printLog( "XCanvas: strokePolyPolygon called" );
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return null;
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}
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public synchronized XCachedPrimitive strokeTexturedPolyPolygon( XPolyPolygon2D xPolyPolygon,
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ViewState viewState,
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RenderState renderState,
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Texture[] textures,
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StrokeAttributes strokeAttributes ) throws com.sun.star.lang.IllegalArgumentException, VolatileContentDestroyedException
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{
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return null;
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}
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public synchronized XCachedPrimitive strokeTextureMappedPolyPolygon( XPolyPolygon2D xPolyPolygon,
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ViewState viewState,
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RenderState renderState,
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Texture[] textures,
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com.sun.star.geometry.XMapping2D xMapping,
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StrokeAttributes strokeAttributes ) throws com.sun.star.lang.IllegalArgumentException, VolatileContentDestroyedException
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{
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return null;
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}
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public synchronized XPolyPolygon2D queryStrokeShapes( com.sun.star.rendering.XPolyPolygon2D xPolyPolygon,
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com.sun.star.rendering.ViewState viewState,
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com.sun.star.rendering.RenderState renderState,
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com.sun.star.rendering.StrokeAttributes strokeAttributes ) throws com.sun.star.lang.IllegalArgumentException
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{
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return null;
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}
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public synchronized XCachedPrimitive fillPolyPolygon( com.sun.star.rendering.XPolyPolygon2D xPolyPolygon,
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com.sun.star.rendering.ViewState viewState,
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com.sun.star.rendering.RenderState renderState ) throws com.sun.star.lang.IllegalArgumentException
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{
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CanvasUtils.printLog( "CanvasBase.fillPolyPolygon() called" );
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// cache
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Graphics2D graphics = getGraphics();
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// initialize the Graphics2D
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CanvasUtils.setupGraphicsState( graphics, viewState, renderState, CanvasUtils.alsoSetupPaint );
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// fill the polygon
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graphics.fill( CanvasUtils.makeGeneralPath(xPolyPolygon) );
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CanvasUtils.printLog( "XCanvas: fillPolyPolygon called" );
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return null;
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}
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public synchronized XCachedPrimitive fillTexturedPolyPolygon( com.sun.star.rendering.XPolyPolygon2D xPolyPolygon,
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com.sun.star.rendering.ViewState viewState,
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com.sun.star.rendering.RenderState renderState,
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com.sun.star.rendering.Texture [] textures ) throws com.sun.star.lang.IllegalArgumentException
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{
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return null;
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}
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public synchronized XCachedPrimitive fillTextureMappedPolyPolygon( XPolyPolygon2D xPolyPolygon,
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ViewState viewState,
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RenderState renderState,
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Texture[] textures,
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com.sun.star.geometry.XMapping2D xMapping ) throws com.sun.star.lang.IllegalArgumentException, VolatileContentDestroyedException
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{
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return null;
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}
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public synchronized XCanvasFont createFont( FontRequest fontRequest, com.sun.star.beans.PropertyValue[] extraFontProperties, com.sun.star.geometry.Matrix2D fontMatrix ) throws com.sun.star.lang.IllegalArgumentException
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{
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// TODO: support extra arguments
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return new CanvasFont( fontRequest, this );
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}
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public FontInfo[] queryAvailableFonts( FontInfo aFilter, com.sun.star.beans.PropertyValue[] aFontProperties ) throws com.sun.star.lang.IllegalArgumentException
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{
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// TODO
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return null;
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}
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public XCachedPrimitive drawText( StringContext text, XCanvasFont xFont, ViewState viewState, RenderState renderState, byte textDirection ) throws com.sun.star.lang.IllegalArgumentException
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{
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CanvasUtils.printLog( "CanvasBase.drawText() called" );
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// cache
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Graphics2D graphics = getGraphics();
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CanvasUtils.printLog( "XCanvas: drawText called" );
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CanvasUtils.setupGraphicsState( graphics, viewState, renderState, CanvasUtils.alsoSetupPaint );
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CanvasUtils.setupGraphicsFont( graphics, viewState, renderState, xFont );
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CanvasUtils.printLog( "XCanvas: drawText rendering \""+ text.Text.substring(text.StartPosition, text.StartPosition+text.Length) + "\"" );
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graphics.drawString( text.Text.substring(text.StartPosition, text.StartPosition+text.Length), (float)0.0, (float)0.0 );
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return null;
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}
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public XCachedPrimitive drawTextLayout( XTextLayout layoutetText, ViewState viewState, RenderState renderState ) throws com.sun.star.lang.IllegalArgumentException
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{
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CanvasUtils.printLog( "CanvasBase.drawOffsettedText() called" );
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// cache
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Graphics2D graphics = getGraphics();
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CanvasUtils.printLog( "XCanvas: drawOffsettedText called" );
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CanvasUtils.setupGraphicsState( graphics, viewState, renderState, CanvasUtils.alsoSetupPaint );
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CanvasUtils.setupGraphicsFont( graphics, viewState, renderState, layoutetText.getFont() );
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CanvasUtils.printLog( "XCanvas: drawOffsettedText canvas setup done" );
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if( layoutetText instanceof TextLayout )
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{
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((TextLayout)layoutetText).draw( graphics );
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}
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else
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{
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CanvasUtils.printLog( "drawTextLayout: mismatching TextLayout object." );
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throw new com.sun.star.lang.IllegalArgumentException();
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}
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return null;
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}
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public synchronized XCachedPrimitive drawBitmap( com.sun.star.rendering.XBitmap xBitmap,
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com.sun.star.rendering.ViewState viewState,
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com.sun.star.rendering.RenderState renderState ) throws com.sun.star.lang.IllegalArgumentException
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{
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CanvasUtils.printLog( "CanvasBase.drawBitmap() called" );
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// cache
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Graphics2D graphics = getGraphics();
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CanvasUtils.setupGraphicsState( graphics, viewState, renderState, CanvasUtils.alsoSetupPaint );
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java.awt.image.BufferedImage bitmap = CanvasUtils.getBufferedImage( xBitmap );
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if( !graphics.drawImage(bitmap, 0, 0, null) )
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CanvasUtils.printLog( "CanvasBase.drawBitmap: image paint incomplete" );
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CanvasUtils.postRenderImageTreatment( bitmap );
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return null;
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}
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public synchronized XCachedPrimitive drawBitmapModulated( com.sun.star.rendering.XBitmap xBitmap,
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com.sun.star.rendering.ViewState viewState,
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com.sun.star.rendering.RenderState renderState ) throws com.sun.star.lang.IllegalArgumentException
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{
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CanvasUtils.printLog( "CanvasBase.drawBitmapModulated() called" );
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// TODO(F3): Implement channel modulation
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return drawBitmap(xBitmap,
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viewState,
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renderState);
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}
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public synchronized XGraphicDevice getDevice()
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{
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CanvasUtils.printLog( "CanvasBase.getDevice() called" );
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return new CanvasGraphicDevice( getGraphics() );
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}
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}
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