380 lines
18 KiB
Java
380 lines
18 KiB
Java
/*************************************************************************
|
|
*
|
|
* $RCSfile: CanvasBase.java,v $
|
|
*
|
|
* The Contents of this file are made available subject to the terms of
|
|
* either of the following licenses
|
|
*
|
|
* - GNU Lesser General Public License Version 2.1
|
|
* - Sun Industry Standards Source License Version 1.1
|
|
*
|
|
* Sun Microsystems Inc., October, 2000
|
|
*
|
|
* GNU Lesser General Public License Version 2.1
|
|
* =============================================
|
|
* Copyright 2000 by Sun Microsystems, Inc.
|
|
* 901 San Antonio Road, Palo Alto, CA 94303, USA
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License version 2.1, as published by the Free Software Foundation.
|
|
*
|
|
* This library 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 for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with this library; if not, write to the Free Software
|
|
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
|
|
* MA 02111-1307 USA
|
|
*
|
|
*
|
|
* Sun Industry Standards Source License Version 1.1
|
|
* =================================================
|
|
* The contents of this file are subject to the Sun Industry Standards
|
|
* Source License Version 1.1 (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.openoffice.org/license.html.
|
|
*
|
|
* Software provided under this License is provided on an "AS IS" basis,
|
|
* WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
|
|
* WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
|
|
* MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
|
|
* See the License for the specific provisions governing your rights and
|
|
* obligations concerning the Software.
|
|
*
|
|
* The Initial Developer of the Original Code is: Sun Microsystems, Inc.
|
|
*
|
|
* Copyright: 2000 by Sun Microsystems, Inc.
|
|
*
|
|
* All Rights Reserved.
|
|
*
|
|
* Contributor(s): _______________________________________
|
|
*
|
|
*
|
|
************************************************************************/
|
|
|
|
// UNO
|
|
import com.sun.star.uno.UnoRuntime;
|
|
import com.sun.star.uno.XComponentContext;
|
|
import com.sun.star.uno.AnyConverter;
|
|
import com.sun.star.uno.IQueryInterface;
|
|
import com.sun.star.lang.XInitialization;
|
|
import com.sun.star.lib.uno.helper.WeakBase;
|
|
|
|
// OOo AWT
|
|
import com.sun.star.awt.*;
|
|
|
|
// Canvas
|
|
import drafts.com.sun.star.rendering.*;
|
|
import drafts.com.sun.star.geometry.*;
|
|
|
|
// Java AWT
|
|
import java.awt.*;
|
|
import java.awt.geom.*;
|
|
|
|
// system-dependent stuff
|
|
import sun.awt.*;
|
|
|
|
|
|
public abstract class CanvasBase
|
|
extends com.sun.star.lib.uno.helper.ComponentBase
|
|
implements drafts.com.sun.star.rendering.XCanvas
|
|
{
|
|
// to be overridden
|
|
public abstract Graphics2D getGraphics();
|
|
|
|
//----------------------------------------------------------------------------------
|
|
|
|
//
|
|
// XCanvas interface
|
|
// =================
|
|
//
|
|
public synchronized void drawPoint( RealPoint2D aPoint,
|
|
ViewState viewState,
|
|
RenderState renderState ) throws com.sun.star.lang.IllegalArgumentException
|
|
{
|
|
// cache
|
|
Graphics2D graphics = getGraphics();
|
|
|
|
// initialize the Graphics2D
|
|
CanvasUtils.setupGraphicsState( graphics, viewState, renderState, CanvasUtils.alsoSetupPaint );
|
|
|
|
// calculate the domain value for a single device pixel. we're
|
|
// using delta mapping here, to avoid later subtraction of two
|
|
// mapped values (as we really only need a transformed size,
|
|
// not a transformed point).
|
|
AffineTransform transform = graphics.getTransform();
|
|
AffineTransform inverse;
|
|
try
|
|
{
|
|
inverse = transform.createInverse();
|
|
}
|
|
catch( NoninvertibleTransformException e )
|
|
{
|
|
// transformation not invertible. Nothing to render then.
|
|
return;
|
|
}
|
|
|
|
java.awt.geom.Point2D.Double pointSize = new java.awt.geom.Point2D.Double(1.0,1.0);
|
|
java.awt.geom.Point2D.Double domainPointSize = new java.awt.geom.Point2D.Double();
|
|
inverse.deltaTransform( pointSize, domainPointSize );
|
|
|
|
// render a circle one device pixel wide
|
|
Ellipse2D.Double ellipse = new Ellipse2D.Double(aPoint.X, aPoint.Y, domainPointSize.x, domainPointSize.y);
|
|
|
|
// render, at last
|
|
graphics.fill( ellipse );
|
|
|
|
CanvasUtils.printLog( "XCanvas: drawPoint called" );
|
|
}
|
|
|
|
public synchronized void drawLine( RealPoint2D aStartPoint,
|
|
RealPoint2D aEndPoint,
|
|
ViewState viewState,
|
|
RenderState renderState ) throws com.sun.star.lang.IllegalArgumentException
|
|
{
|
|
// cache
|
|
Graphics2D graphics = getGraphics();
|
|
|
|
// initialize the Graphics2D
|
|
CanvasUtils.setupGraphicsState( graphics, viewState, renderState, CanvasUtils.alsoSetupPaint );
|
|
graphics.setStroke( new BasicStroke() );
|
|
|
|
// setup line object
|
|
Line2D.Double line = new Line2D.Double(aStartPoint.X, aStartPoint.Y, aEndPoint.X, aEndPoint.Y);
|
|
|
|
// render, at last
|
|
graphics.draw( line );
|
|
|
|
CanvasUtils.printLog( "XCanvas: drawLine called" );
|
|
}
|
|
|
|
public synchronized void drawBezier( RealBezierSegment2D aBezierSegment,
|
|
RealPoint2D aEndPoint,
|
|
ViewState viewState,
|
|
RenderState renderState ) throws com.sun.star.lang.IllegalArgumentException
|
|
{
|
|
// cache
|
|
Graphics2D graphics = getGraphics();
|
|
|
|
// initialize the Graphics2D
|
|
CanvasUtils.setupGraphicsState( graphics, viewState, renderState, CanvasUtils.alsoSetupPaint );
|
|
graphics.setStroke( new BasicStroke() );
|
|
|
|
// setup bezier object
|
|
CubicCurve2D.Double curve = new CubicCurve2D.Double(aBezierSegment.Px, aBezierSegment.Py,
|
|
aBezierSegment.C1x, aBezierSegment.C1y,
|
|
aBezierSegment.C2x, aBezierSegment.C2y,
|
|
aEndPoint.X, aEndPoint.Y);
|
|
|
|
// render, at last
|
|
graphics.draw( curve );
|
|
|
|
CanvasUtils.printLog( "XCanvas: drawbezier called" );
|
|
}
|
|
|
|
public synchronized XCachedPrimitive drawPolyPolygon( XPolyPolygon2D xPolyPolygon,
|
|
ViewState viewState,
|
|
RenderState renderState ) throws com.sun.star.lang.IllegalArgumentException
|
|
{
|
|
CanvasUtils.printLog( "CanvasBase.drawPolyPolygon() called" );
|
|
|
|
// cache
|
|
Graphics2D graphics = getGraphics();
|
|
|
|
// initialize the Graphics2D
|
|
CanvasUtils.setupGraphicsState( graphics, viewState, renderState, CanvasUtils.alsoSetupPaint );
|
|
graphics.setStroke( new BasicStroke() );
|
|
|
|
// render the polygon
|
|
// TODO: maybe use Graphics.drawPolyline here!
|
|
graphics.draw( CanvasUtils.makeGeneralPath(xPolyPolygon) );
|
|
|
|
CanvasUtils.printLog( "XCanvas: drawPolyPolygon called" );
|
|
|
|
return null;
|
|
}
|
|
|
|
public synchronized XCachedPrimitive strokePolyPolygon( XPolyPolygon2D xPolyPolygon,
|
|
ViewState viewState,
|
|
RenderState renderState,
|
|
StrokeAttributes strokeAttributes ) throws com.sun.star.lang.IllegalArgumentException
|
|
{
|
|
// cache
|
|
Graphics2D graphics = getGraphics();
|
|
|
|
// initialize the Graphics2D
|
|
CanvasUtils.setupGraphicsState( graphics, viewState, renderState, CanvasUtils.alsoSetupPaint );
|
|
CanvasUtils.applyStrokeAttributes( graphics, strokeAttributes );
|
|
|
|
// stroke the polygon
|
|
graphics.draw( CanvasUtils.makeGeneralPath(xPolyPolygon) );
|
|
|
|
CanvasUtils.printLog( "XCanvas: strokePolyPolygon called" );
|
|
|
|
return null;
|
|
}
|
|
|
|
public synchronized XCachedPrimitive strokeTexturedPolyPolygon( XPolyPolygon2D xPolyPolygon,
|
|
ViewState viewState,
|
|
RenderState renderState,
|
|
Texture[] textures,
|
|
StrokeAttributes strokeAttributes ) throws com.sun.star.lang.IllegalArgumentException, VolatileContentDestroyedException
|
|
{
|
|
return null;
|
|
}
|
|
|
|
public synchronized XCachedPrimitive strokeTextureMappedPolyPolygon( XPolyPolygon2D xPolyPolygon,
|
|
ViewState viewState,
|
|
RenderState renderState,
|
|
Texture[] textures,
|
|
drafts.com.sun.star.geometry.XMapping2D xMapping,
|
|
StrokeAttributes strokeAttributes ) throws com.sun.star.lang.IllegalArgumentException, VolatileContentDestroyedException
|
|
{
|
|
return null;
|
|
}
|
|
|
|
public synchronized XPolyPolygon2D queryStrokeShapes( drafts.com.sun.star.rendering.XPolyPolygon2D xPolyPolygon,
|
|
drafts.com.sun.star.rendering.ViewState viewState,
|
|
drafts.com.sun.star.rendering.RenderState renderState,
|
|
drafts.com.sun.star.rendering.StrokeAttributes strokeAttributes ) throws com.sun.star.lang.IllegalArgumentException
|
|
{
|
|
return null;
|
|
}
|
|
|
|
public synchronized XCachedPrimitive fillPolyPolygon( drafts.com.sun.star.rendering.XPolyPolygon2D xPolyPolygon,
|
|
drafts.com.sun.star.rendering.ViewState viewState,
|
|
drafts.com.sun.star.rendering.RenderState renderState ) throws com.sun.star.lang.IllegalArgumentException
|
|
{
|
|
CanvasUtils.printLog( "CanvasBase.fillPolyPolygon() called" );
|
|
|
|
// cache
|
|
Graphics2D graphics = getGraphics();
|
|
|
|
// initialize the Graphics2D
|
|
CanvasUtils.setupGraphicsState( graphics, viewState, renderState, CanvasUtils.alsoSetupPaint );
|
|
|
|
// fill the polygon
|
|
graphics.fill( CanvasUtils.makeGeneralPath(xPolyPolygon) );
|
|
|
|
CanvasUtils.printLog( "XCanvas: fillPolyPolygon called" );
|
|
|
|
return null;
|
|
}
|
|
|
|
public synchronized XCachedPrimitive fillTexturedPolyPolygon( drafts.com.sun.star.rendering.XPolyPolygon2D xPolyPolygon,
|
|
drafts.com.sun.star.rendering.ViewState viewState,
|
|
drafts.com.sun.star.rendering.RenderState renderState,
|
|
drafts.com.sun.star.rendering.Texture [] textures ) throws com.sun.star.lang.IllegalArgumentException
|
|
{
|
|
return null;
|
|
}
|
|
|
|
public synchronized XCachedPrimitive fillTextureMappedPolyPolygon( XPolyPolygon2D xPolyPolygon,
|
|
ViewState viewState,
|
|
RenderState renderState,
|
|
Texture[] textures,
|
|
drafts.com.sun.star.geometry.XMapping2D xMapping ) throws com.sun.star.lang.IllegalArgumentException, VolatileContentDestroyedException
|
|
{
|
|
return null;
|
|
}
|
|
|
|
public synchronized XCanvasFont queryFont( drafts.com.sun.star.rendering.FontRequest fontRequest ) throws com.sun.star.lang.IllegalArgumentException
|
|
{
|
|
return new CanvasFont( fontRequest, this );
|
|
}
|
|
|
|
public synchronized XCachedPrimitive drawText( drafts.com.sun.star.rendering.StringContext text,
|
|
drafts.com.sun.star.rendering.XCanvasFont xFont,
|
|
drafts.com.sun.star.rendering.ViewState viewState,
|
|
drafts.com.sun.star.rendering.RenderState renderState,
|
|
byte textDirection ) throws com.sun.star.lang.IllegalArgumentException
|
|
{
|
|
CanvasUtils.printLog( "CanvasBase.drawText() called" );
|
|
|
|
// cache
|
|
Graphics2D graphics = getGraphics();
|
|
|
|
CanvasUtils.printLog( "XCanvas: drawText called" );
|
|
|
|
CanvasUtils.setupGraphicsState( graphics, viewState, renderState, CanvasUtils.alsoSetupPaint );
|
|
CanvasUtils.setupGraphicsFont( graphics, viewState, renderState, xFont );
|
|
|
|
CanvasUtils.printLog( "XCanvas: drawText rendering \""+ text.Text.substring(text.StartPosition, text.StartPosition+text.Length) + "\"" );
|
|
|
|
graphics.drawString( text.Text.substring(text.StartPosition, text.StartPosition+text.Length), (float)0.0, (float)0.0 );
|
|
return null;
|
|
}
|
|
|
|
public synchronized XCachedPrimitive drawOffsettedText( drafts.com.sun.star.rendering.StringContext text,
|
|
drafts.com.sun.star.rendering.XCanvasFont xFont,
|
|
double [] offsets,
|
|
drafts.com.sun.star.rendering.ViewState viewState,
|
|
drafts.com.sun.star.rendering.RenderState renderState,
|
|
byte textDirection ) throws com.sun.star.lang.IllegalArgumentException
|
|
{
|
|
CanvasUtils.printLog( "CanvasBase.drawOffsettedText() called" );
|
|
|
|
CanvasUtils.preCondition( text.Length == text.Text.length() &&
|
|
text.Length == offsets.length, "CanvasBase.drawOffsettedText" );
|
|
|
|
if( text.Length > 0 )
|
|
{
|
|
// cache
|
|
Graphics2D graphics = getGraphics();
|
|
|
|
CanvasUtils.printLog( "XCanvas: drawOffsettedText called" );
|
|
|
|
CanvasUtils.setupGraphicsState( graphics, viewState, renderState, CanvasUtils.alsoSetupPaint );
|
|
CanvasUtils.setupGraphicsFont( graphics, viewState, renderState, xFont );
|
|
|
|
CanvasUtils.printLog( "XCanvas: drawOffsettedText canvas setup done" );
|
|
|
|
// 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<offsets.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 " + offsets[i] + ")" );
|
|
|
|
graphics.drawString( text.Text.substring(text.StartPosition + i, text.StartPosition + i + 1), (float)offsets[i-1], (float)0.0 );
|
|
}
|
|
}
|
|
|
|
return null;
|
|
}
|
|
|
|
public synchronized XCachedPrimitive drawBitmap( drafts.com.sun.star.rendering.XBitmap xBitmap,
|
|
drafts.com.sun.star.rendering.ViewState viewState,
|
|
drafts.com.sun.star.rendering.RenderState renderState ) throws com.sun.star.lang.IllegalArgumentException
|
|
{
|
|
CanvasUtils.printLog( "CanvasBase.drawBitmap() called" );
|
|
|
|
// cache
|
|
Graphics2D graphics = getGraphics();
|
|
|
|
CanvasUtils.setupGraphicsState( graphics, viewState, renderState, CanvasUtils.alsoSetupPaint );
|
|
|
|
java.awt.image.BufferedImage bitmap = CanvasUtils.getBufferedImage( xBitmap );
|
|
|
|
if( !graphics.drawImage(bitmap, 0, 0, null) )
|
|
CanvasUtils.printLog( "CanvasBase.drawBitmap: image paint incomplete" );
|
|
|
|
CanvasUtils.postRenderImageTreatment( bitmap );
|
|
|
|
return null;
|
|
}
|
|
|
|
public synchronized XGraphicDevice getDevice()
|
|
{
|
|
CanvasUtils.printLog( "CanvasBase.getDevice() called" );
|
|
return new CanvasGraphicDevice( getGraphics() );
|
|
}
|
|
}
|