671 lines
30 KiB
Java
671 lines
30 KiB
Java
/*************************************************************************
|
|
*
|
|
* $RCSfile: CanvasUtils.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.image.*;
|
|
import java.awt.geom.*;
|
|
|
|
// system-dependent stuff
|
|
import sun.awt.*;
|
|
|
|
|
|
public class CanvasUtils
|
|
{
|
|
//
|
|
// Canvas utilities
|
|
// ================
|
|
//
|
|
public static java.awt.geom.AffineTransform makeTransform( AffineMatrix2D ooTransform )
|
|
{
|
|
return new AffineTransform( ooTransform.m00,
|
|
ooTransform.m10,
|
|
ooTransform.m01,
|
|
ooTransform.m11,
|
|
ooTransform.m02,
|
|
ooTransform.m12 );
|
|
}
|
|
|
|
public static AffineMatrix2D makeAffineMatrix2D( java.awt.geom.AffineTransform transform )
|
|
{
|
|
double[] matrix = new double[6];
|
|
transform.getMatrix( matrix );
|
|
|
|
return new AffineMatrix2D( matrix[0], matrix[2], matrix[4],
|
|
matrix[1], matrix[3], matrix[5] );
|
|
}
|
|
|
|
public static void initGraphics( Graphics2D graphics )
|
|
{
|
|
if( graphics != null )
|
|
{
|
|
java.awt.RenderingHints hints = new java.awt.RenderingHints(null);
|
|
boolean hq = true;
|
|
|
|
if( hq )
|
|
{
|
|
hints.add( new java.awt.RenderingHints( java.awt.RenderingHints.KEY_FRACTIONALMETRICS,
|
|
java.awt.RenderingHints.VALUE_FRACTIONALMETRICS_ON ) );
|
|
// hints.add( new java.awt.RenderingHints( java.awt.RenderingHints.KEY_ALPHA_INTERPOLATION,
|
|
// java.awt.RenderingHints.VALUE_ALPHA_INTERPOLATION_QUALITY) );
|
|
hints.add( new java.awt.RenderingHints( java.awt.RenderingHints.KEY_ALPHA_INTERPOLATION,
|
|
java.awt.RenderingHints.VALUE_ALPHA_INTERPOLATION_SPEED) );
|
|
// hints.add( new java.awt.RenderingHints( java.awt.RenderingHints.KEY_INTERPOLATION,
|
|
// java.awt.RenderingHints.VALUE_INTERPOLATION_BICUBIC) );
|
|
hints.add( new java.awt.RenderingHints( java.awt.RenderingHints.KEY_INTERPOLATION,
|
|
java.awt.RenderingHints.VALUE_INTERPOLATION_BILINEAR) );
|
|
// hints.add( new java.awt.RenderingHints( java.awt.RenderingHints.KEY_RENDERING,
|
|
// java.awt.RenderingHints.VALUE_RENDER_QUALITY) );
|
|
hints.add( new java.awt.RenderingHints( java.awt.RenderingHints.KEY_RENDERING,
|
|
java.awt.RenderingHints.VALUE_RENDER_SPEED) );
|
|
// hints.add( new java.awt.RenderingHints( java.awt.RenderingHints.KEY_STROKE_CONTROL,
|
|
// java.awt.RenderingHints.VALUE_STROKE_NORMALIZE) );
|
|
hints.add( new java.awt.RenderingHints( java.awt.RenderingHints.KEY_STROKE_CONTROL,
|
|
java.awt.RenderingHints.VALUE_STROKE_DEFAULT) );
|
|
hints.add( new java.awt.RenderingHints( java.awt.RenderingHints.KEY_ANTIALIASING,
|
|
java.awt.RenderingHints.VALUE_ANTIALIAS_ON) );
|
|
}
|
|
else
|
|
{
|
|
hints.add( new java.awt.RenderingHints( java.awt.RenderingHints.KEY_ALPHA_INTERPOLATION,
|
|
java.awt.RenderingHints.VALUE_ALPHA_INTERPOLATION_SPEED) );
|
|
hints.add( new java.awt.RenderingHints( java.awt.RenderingHints.KEY_INTERPOLATION,
|
|
java.awt.RenderingHints.VALUE_INTERPOLATION_BILINEAR) );
|
|
hints.add( new java.awt.RenderingHints( java.awt.RenderingHints.KEY_RENDERING,
|
|
java.awt.RenderingHints.VALUE_RENDER_SPEED) );
|
|
hints.add( new java.awt.RenderingHints( java.awt.RenderingHints.KEY_STROKE_CONTROL,
|
|
java.awt.RenderingHints.VALUE_STROKE_DEFAULT) );
|
|
hints.add( new java.awt.RenderingHints( java.awt.RenderingHints.KEY_ANTIALIASING,
|
|
java.awt.RenderingHints.VALUE_ANTIALIAS_OFF) );
|
|
}
|
|
|
|
// the least common denominator standard
|
|
hints.add( new java.awt.RenderingHints( java.awt.RenderingHints.KEY_FRACTIONALMETRICS,
|
|
java.awt.RenderingHints.VALUE_FRACTIONALMETRICS_ON) );
|
|
hints.add( new java.awt.RenderingHints( java.awt.RenderingHints.KEY_TEXT_ANTIALIASING,
|
|
java.awt.RenderingHints.VALUE_TEXT_ANTIALIAS_ON) );
|
|
|
|
graphics.setRenderingHints( hints );
|
|
}
|
|
}
|
|
|
|
//----------------------------------------------------------------------------------
|
|
|
|
public static java.awt.geom.GeneralPath makeGenPathFromBezierPoints( RealBezierSegment2D [][] points )
|
|
{
|
|
java.awt.geom.GeneralPath path = new java.awt.geom.GeneralPath();
|
|
|
|
// extract every polygon into GeneralPath object
|
|
for( int i=0; i<points.length; ++i )
|
|
{
|
|
if( points[i].length > 0 )
|
|
path.moveTo((float) points[i][0].Px, (float) points[i][0].Py);
|
|
|
|
for( int j=1; j<points[i].length; ++j )
|
|
{
|
|
CanvasUtils.printLog( "makeGenPathFromBezierPoints: point added." );
|
|
path.curveTo((float)(points[i][j-1].C1x), (float)(points[i][j-1].C1y),
|
|
(float)(points[i][j-1].C2x), (float)(points[i][j-1].C2y),
|
|
(float) points[i][j].Px, (float) points[i][j].Py );
|
|
}
|
|
|
|
// TODO: closePath?
|
|
}
|
|
|
|
return path;
|
|
}
|
|
|
|
public static java.awt.geom.GeneralPath makeGenPathFromBezierPoly( drafts.com.sun.star.rendering.XBezierPolyPolygon2D poly )
|
|
{
|
|
try
|
|
{
|
|
drafts.com.sun.star.geometry.RealBezierSegment2D [][] points = poly.getPoints(0,-1,0,-1);
|
|
|
|
return makeGenPathFromBezierPoints( points );
|
|
}
|
|
catch( com.sun.star.lang.IndexOutOfBoundsException e )
|
|
{
|
|
}
|
|
|
|
return new java.awt.geom.GeneralPath();
|
|
}
|
|
|
|
public static java.awt.geom.GeneralPath makeGenPathFromLinePoints( RealPoint2D [][] points )
|
|
{
|
|
java.awt.geom.GeneralPath path = new java.awt.geom.GeneralPath();
|
|
|
|
// extract every polygon into GeneralPath object
|
|
for( int i=0; i<points.length; ++i )
|
|
{
|
|
if( points[i].length > 0 )
|
|
path.moveTo((float) points[i][0].X, (float) points[i][0].Y);
|
|
|
|
for( int j=1; j<points[i].length; ++j )
|
|
{
|
|
CanvasUtils.printLog( "makeGenPathFromLinePoints: point (" +
|
|
points[i][j].X + "," + points[i][j].Y + ") added." );
|
|
path.lineTo((float) points[i][j].X, (float) points[i][j].Y );
|
|
}
|
|
|
|
// TODO: closePath?
|
|
}
|
|
|
|
return path;
|
|
}
|
|
|
|
public static java.awt.geom.GeneralPath makeGenPathFromLinePoly( drafts.com.sun.star.rendering.XLinePolyPolygon2D poly )
|
|
{
|
|
try
|
|
{
|
|
drafts.com.sun.star.geometry.RealPoint2D [][] points = poly.getPoints(0,-1,0,-1);
|
|
|
|
return makeGenPathFromLinePoints( points );
|
|
}
|
|
catch( com.sun.star.lang.IndexOutOfBoundsException e )
|
|
{
|
|
}
|
|
|
|
return new java.awt.geom.GeneralPath();
|
|
}
|
|
|
|
public static java.awt.geom.GeneralPath makeGeneralPath( drafts.com.sun.star.rendering.XPolyPolygon2D poly )
|
|
{
|
|
if( poly instanceof BezierPolyPolygon )
|
|
{
|
|
CanvasUtils.printLog( "makeGeneralPath: bezier impl used." );
|
|
return ((BezierPolyPolygon)poly).getJavaPath();
|
|
}
|
|
|
|
if( poly instanceof LinePolyPolygon )
|
|
{
|
|
CanvasUtils.printLog( "makeGeneralPath: line impl used." );
|
|
return ((LinePolyPolygon)poly).getJavaPath();
|
|
}
|
|
|
|
XBezierPolyPolygon2D bezierPoly = (XBezierPolyPolygon2D) UnoRuntime.queryInterface(XBezierPolyPolygon2D.class, poly);
|
|
|
|
if( bezierPoly != null )
|
|
{
|
|
// extract polygon data. Prefer bezier interface, because
|
|
// that's the more high-level data.
|
|
return makeGenPathFromBezierPoly( bezierPoly );
|
|
}
|
|
|
|
XLinePolyPolygon2D linePoly = (XLinePolyPolygon2D) UnoRuntime.queryInterface(XLinePolyPolygon2D.class, poly);
|
|
|
|
if( linePoly != null )
|
|
{
|
|
// extract polygon data. Fallback to line polygon, if no
|
|
// curves are available.
|
|
return makeGenPathFromLinePoly( linePoly );
|
|
}
|
|
|
|
// Only opaque general interface. No chance to get to the
|
|
// data. Empty path, then
|
|
CanvasUtils.printLog( "makeGeneralPath: Cannot access polygon data, given interface has class" + poly.getClass().getName() );
|
|
return new GeneralPath();
|
|
}
|
|
|
|
public static java.awt.image.BufferedImage getBufferedImage( drafts.com.sun.star.rendering.XBitmap bitmap )
|
|
{
|
|
if( bitmap instanceof CanvasBitmap )
|
|
{
|
|
CanvasUtils.printLog( "getBufferedImage: CanvasBitmap impl used." );
|
|
return ((CanvasBitmap)bitmap).getBufferedImage();
|
|
}
|
|
|
|
XIntegerBitmap integerBitmap = (XIntegerBitmap) UnoRuntime.queryInterface(XIntegerBitmap.class, bitmap);
|
|
|
|
if( integerBitmap != null )
|
|
{
|
|
// extract bitmap data. TODO.
|
|
return null;
|
|
}
|
|
|
|
// check other types. TODO.
|
|
return null;
|
|
}
|
|
|
|
public static byte [] int2byte( int [] input )
|
|
{
|
|
byte [] output = new byte[4*input.length];
|
|
|
|
int i, j;
|
|
for( i=0, j=0; i<input.length; ++i )
|
|
{
|
|
output[j] = (byte)(input[i] & 255);
|
|
output[j+1] = (byte)((input[i]/256) & 255);
|
|
output[j+2] = (byte)((input[i]/256/256) & 255);
|
|
output[j+3] = (byte)((input[i]/256/256/256) & 255);
|
|
j += 4;
|
|
}
|
|
|
|
return output;
|
|
}
|
|
|
|
public static int [] byte2int( byte [] input )
|
|
{
|
|
int [] output = new int[(input.length+3)/4];
|
|
|
|
int i, j;
|
|
for( i=0,j=0; j<output.length; ++j )
|
|
{
|
|
output[j] = input[i] + (input[i+1] + (input[i+2] + input[i+3]*256)*256)*256;
|
|
i += 4;
|
|
}
|
|
|
|
return output;
|
|
}
|
|
|
|
public static int javaRuleFromCompositeOp( byte compositeOp )
|
|
{
|
|
// TODO: Finish mapping of Canvas and Java compositing magics
|
|
int rule = java.awt.AlphaComposite.SRC_OVER;
|
|
switch( compositeOp )
|
|
{
|
|
case drafts.com.sun.star.rendering.CompositeOperation.CLEAR:
|
|
CanvasUtils.printLog( "javaRuleFromCompositeOp: clear selected" );
|
|
rule = java.awt.AlphaComposite.CLEAR;
|
|
break;
|
|
|
|
case drafts.com.sun.star.rendering.CompositeOperation.SOURCE:
|
|
CanvasUtils.printLog( "javaRuleFromCompositeOp: src selected" );
|
|
rule = java.awt.AlphaComposite.SRC;
|
|
break;
|
|
|
|
case drafts.com.sun.star.rendering.CompositeOperation.DESTINATION:
|
|
CanvasUtils.printLog( "javaRuleFromCompositeOp: dst selected" );
|
|
rule = java.awt.AlphaComposite.DST;
|
|
break;
|
|
|
|
case drafts.com.sun.star.rendering.CompositeOperation.OVER:
|
|
CanvasUtils.printLog( "javaRuleFromCompositeOp: over selected" );
|
|
rule = java.awt.AlphaComposite.SRC_OVER;
|
|
break;
|
|
|
|
case drafts.com.sun.star.rendering.CompositeOperation.UNDER:
|
|
CanvasUtils.printLog( "javaRuleFromCompositeOp: under selected" );
|
|
rule = java.awt.AlphaComposite.DST_OVER;
|
|
break;
|
|
|
|
case drafts.com.sun.star.rendering.CompositeOperation.INSIDE:
|
|
CanvasUtils.printLog( "javaRuleFromCompositeOp: inside selected" );
|
|
rule = java.awt.AlphaComposite.CLEAR;
|
|
break;
|
|
|
|
case drafts.com.sun.star.rendering.CompositeOperation.INSIDE_REVERSE:
|
|
CanvasUtils.printLog( "javaRuleFromCompositeOp: inReverse selected" );
|
|
rule = java.awt.AlphaComposite.CLEAR;
|
|
break;
|
|
|
|
case drafts.com.sun.star.rendering.CompositeOperation.OUTSIDE:
|
|
CanvasUtils.printLog( "javaRuleFromCompositeOp: outside selected" );
|
|
rule = java.awt.AlphaComposite.CLEAR;
|
|
break;
|
|
|
|
case drafts.com.sun.star.rendering.CompositeOperation.OUTSIDE_REVERSE:
|
|
CanvasUtils.printLog( "javaRuleFromCompositeOp: outReverse selected" );
|
|
rule = java.awt.AlphaComposite.CLEAR;
|
|
break;
|
|
|
|
case drafts.com.sun.star.rendering.CompositeOperation.XOR:
|
|
CanvasUtils.printLog( "javaRuleFromCompositeOp: xor selected" );
|
|
rule = java.awt.AlphaComposite.CLEAR;
|
|
break;
|
|
|
|
case drafts.com.sun.star.rendering.CompositeOperation.ADD:
|
|
CanvasUtils.printLog( "javaRuleFromCompositeOp: add selected" );
|
|
rule = java.awt.AlphaComposite.CLEAR;
|
|
break;
|
|
|
|
case drafts.com.sun.star.rendering.CompositeOperation.SATURATE:
|
|
CanvasUtils.printLog( "javaRuleFromCompositeOp: saturate selected" );
|
|
rule = java.awt.AlphaComposite.CLEAR;
|
|
break;
|
|
|
|
default:
|
|
CanvasUtils.printLog( "javaRuleFromCompositeOp: Unexpected compositing rule" );
|
|
break;
|
|
}
|
|
|
|
return rule;
|
|
}
|
|
|
|
public static java.awt.AlphaComposite makeAlphaComposite( byte compositeOp )
|
|
{
|
|
return java.awt.AlphaComposite.getInstance( javaRuleFromCompositeOp( compositeOp ) );
|
|
}
|
|
|
|
public static java.awt.AlphaComposite makeAlphaCompositeAlpha( byte compositeOp, double alpha )
|
|
{
|
|
return java.awt.AlphaComposite.getInstance( javaRuleFromCompositeOp( compositeOp ), (float)alpha );
|
|
}
|
|
|
|
// when given to setupGraphicsState, makes that method to also
|
|
// setup the Paint with the color specified in the render state.
|
|
public static final byte alsoSetupPaint=0;
|
|
|
|
// when given to setupGraphicsState, makes that method to _not_
|
|
// setup the Paint with the color specified in the render state.
|
|
public static final byte dontSetupPaint=1;
|
|
|
|
public static java.awt.geom.AffineTransform ViewConcatRenderTransform( ViewState viewState,
|
|
RenderState renderState )
|
|
{
|
|
// calculate overall affine transform
|
|
AffineTransform transform = makeTransform( viewState.AffineTransform );
|
|
transform.concatenate( makeTransform( renderState.AffineTransform ) );
|
|
|
|
printTransform( transform, "ViewConcatRenderTransform" );
|
|
|
|
return transform;
|
|
}
|
|
|
|
public static void setupGraphicsState( java.awt.Graphics2D graphics,
|
|
ViewState viewState,
|
|
RenderState renderState,
|
|
byte paintTouchMode )
|
|
{
|
|
// calculate overall affine transform
|
|
graphics.setTransform( ViewConcatRenderTransform(viewState, renderState ) );
|
|
|
|
// setup overall clip polyPolygon
|
|
if( viewState.Clip != null )
|
|
{
|
|
Area clipArea = new Area( makeGeneralPath( viewState.Clip ) );
|
|
|
|
if( renderState.Clip != null )
|
|
clipArea.intersect( new Area( makeGeneralPath( renderState.Clip ) ) );
|
|
|
|
graphics.setClip( clipArea );
|
|
}
|
|
else if( renderState.Clip != null )
|
|
{
|
|
Area clipArea = new Area( makeGeneralPath( renderState.Clip ) );
|
|
graphics.setClip( clipArea );
|
|
}
|
|
else
|
|
{
|
|
// TODO: HACK! Use true visible area here!
|
|
graphics.setClip( new java.awt.Rectangle(-1000000,-1000000,2000000,2000000) );
|
|
}
|
|
|
|
// setup current output color
|
|
// TODO: Complete color handling here
|
|
if( paintTouchMode == alsoSetupPaint )
|
|
{
|
|
switch( renderState.DeviceColor.length )
|
|
{
|
|
case 3:
|
|
CanvasUtils.printLog( "setupGraphicsState: Color(" +
|
|
renderState.DeviceColor[0] + "," +
|
|
renderState.DeviceColor[1] + "," +
|
|
renderState.DeviceColor[2] + ") set." );
|
|
graphics.setColor( new Color( (float)renderState.DeviceColor[0],
|
|
(float)renderState.DeviceColor[1],
|
|
(float)renderState.DeviceColor[2] ) );
|
|
break;
|
|
|
|
case 4:
|
|
CanvasUtils.printLog( "setupGraphicsState: Color(" +
|
|
renderState.DeviceColor[0] + "," +
|
|
renderState.DeviceColor[1] + "," +
|
|
renderState.DeviceColor[2] + "," +
|
|
renderState.DeviceColor[3] + ") set." );
|
|
graphics.setColor( new Color( (float)renderState.DeviceColor[0],
|
|
(float)renderState.DeviceColor[1],
|
|
(float)renderState.DeviceColor[2],
|
|
(float)renderState.DeviceColor[3] ) );
|
|
break;
|
|
|
|
default:
|
|
CanvasUtils.printLog( "setupGraphicsState: unexpected number of " +
|
|
renderState.DeviceColor.length + " color components!" );
|
|
break;
|
|
}
|
|
}
|
|
|
|
// setup current composite mode
|
|
graphics.setComposite( makeAlphaComposite( renderState.CompositeOperation ) );
|
|
}
|
|
|
|
public static void applyStrokeAttributes( java.awt.Graphics2D graphics,
|
|
StrokeAttributes attributes )
|
|
{
|
|
int cap = java.awt.BasicStroke.CAP_BUTT;
|
|
|
|
if( attributes.StartCapType != attributes.EndCapType )
|
|
CanvasUtils.printLog( "applyStrokeAttributes: different start and end caps are not yet supported!" );
|
|
|
|
if( attributes.LineArray.length != 0 )
|
|
CanvasUtils.printLog( "applyStrokeAttributes: multi-strokes are not yet supported!" );
|
|
|
|
if( attributes.StartCapType == PathCapType.BUTT )
|
|
cap = java.awt.BasicStroke.CAP_BUTT;
|
|
else if( attributes.StartCapType == PathCapType.ROUND )
|
|
cap = java.awt.BasicStroke.CAP_ROUND;
|
|
else if( attributes.StartCapType == PathCapType.SQUARE )
|
|
cap = java.awt.BasicStroke.CAP_SQUARE;
|
|
|
|
int join = java.awt.BasicStroke.JOIN_MITER;
|
|
|
|
if( attributes.JoinType == PathJoinType.MITER )
|
|
cap = java.awt.BasicStroke.JOIN_MITER;
|
|
else if( attributes.JoinType == PathJoinType.ROUND )
|
|
cap = java.awt.BasicStroke.JOIN_ROUND;
|
|
else if( attributes.JoinType == PathJoinType.BEVEL )
|
|
cap = java.awt.BasicStroke.JOIN_BEVEL;
|
|
else
|
|
CanvasUtils.printLog( "applyStrokeAttributes: current join type not yet supported!" );
|
|
|
|
float [] dashArray = null;
|
|
|
|
if( attributes.DashArray.length != 0 )
|
|
{
|
|
dashArray = new float [attributes.DashArray.length];
|
|
|
|
for( int i=0; i<attributes.DashArray.length; ++i )
|
|
dashArray[i] = (float)attributes.DashArray[i];
|
|
}
|
|
|
|
graphics.setStroke( new java.awt.BasicStroke( (float)attributes.StrokeWidth,
|
|
cap,
|
|
join,
|
|
(float)attributes.MiterLimit,
|
|
dashArray,
|
|
0) );
|
|
}
|
|
|
|
public static void setupGraphicsFont( java.awt.Graphics2D graphics,
|
|
ViewState viewState,
|
|
RenderState renderState,
|
|
drafts.com.sun.star.rendering.XCanvasFont xFont )
|
|
{
|
|
if( xFont instanceof CanvasFont )
|
|
{
|
|
CanvasUtils.printLog( "setupGraphicsFont: font impl used." );
|
|
graphics.setFont( ((CanvasFont)xFont).getFont() );
|
|
}
|
|
else
|
|
{
|
|
CanvasUtils.printLog( "setupGraphicsFont: creating Java font anew." );
|
|
CanvasFont canvasFont;
|
|
canvasFont = new CanvasFont( xFont.getFontRequest(), null );
|
|
graphics.setFont( canvasFont.getFont() );
|
|
}
|
|
}
|
|
|
|
static java.awt.geom.Rectangle2D.Double calcTransformedRectBounds( java.awt.geom.Rectangle2D.Double aRect,
|
|
AffineTransform aTransform )
|
|
{
|
|
// transform rect by given transformation
|
|
java.awt.geom.Point2D.Double aPointTopLeft = new java.awt.geom.Point2D.Double(aRect.x, aRect.y);
|
|
aTransform.transform(aPointTopLeft, aPointTopLeft);
|
|
|
|
java.awt.geom.Point2D.Double aPointTopRight = new java.awt.geom.Point2D.Double(aRect.x + aRect.width,
|
|
aRect.y);
|
|
aTransform.transform(aPointTopRight, aPointTopRight);
|
|
|
|
java.awt.geom.Point2D.Double aPointBottomLeft = new java.awt.geom.Point2D.Double(aRect.x,
|
|
aRect.y + aRect.height);
|
|
aTransform.transform(aPointBottomLeft, aPointBottomLeft);
|
|
|
|
java.awt.geom.Point2D.Double aPointBottomRight = new java.awt.geom.Point2D.Double(aRect.x + aRect.width,
|
|
aRect.y + aRect.height);
|
|
aTransform.transform(aPointBottomRight, aPointBottomRight);
|
|
|
|
// calc bounding rect of those four points
|
|
java.awt.geom.Point2D.Double aResTopLeft = new java.awt.geom.Point2D.Double( Math.min(aPointTopLeft.x,
|
|
Math.min(aPointTopRight.x,
|
|
Math.min(aPointBottomLeft.x,aPointBottomRight.x))),
|
|
Math.min(aPointTopLeft.y,
|
|
Math.min(aPointTopRight.y,
|
|
Math.min(aPointBottomLeft.y,aPointBottomRight.y))) );
|
|
|
|
java.awt.geom.Point2D.Double aResBottomRight = new java.awt.geom.Point2D.Double( Math.max(aPointTopLeft.x,
|
|
Math.max(aPointTopRight.x,
|
|
Math.max(aPointBottomLeft.x,aPointBottomRight.x))),
|
|
Math.max(aPointTopLeft.y,
|
|
Math.max(aPointTopRight.y,
|
|
Math.max(aPointBottomLeft.y,aPointBottomRight.y))) );
|
|
return new java.awt.geom.Rectangle2D.Double( aResTopLeft.x, aResTopLeft.y,
|
|
aResBottomRight.x - aResTopLeft.x,
|
|
aResBottomRight.y - aResTopLeft.y );
|
|
}
|
|
|
|
// Create a corrected view transformation out of the give one,
|
|
// which ensures that the rectangle given by (0,0) and
|
|
// attributes.untransformedSize is mapped with its left,top corner
|
|
// to (0,0) again. This is required to properly render sprite
|
|
// animations to buffer bitmaps.
|
|
public static ViewState createAnimationViewState( ViewState inputViewState,
|
|
AnimationAttributes attributes )
|
|
{
|
|
// TODO: Properly respect clip here. Might have to be transformed, too.
|
|
|
|
AffineTransform aViewTransform = makeTransform( inputViewState.AffineTransform );
|
|
|
|
// transform Rect(0,0,attributes.untransformedSize) by
|
|
// viewTransform
|
|
java.awt.geom.Rectangle2D.Double aTransformedRect =
|
|
calcTransformedRectBounds( new java.awt.geom.Rectangle2D.Double(0.0, 0.0,
|
|
attributes.UntransformedSize.Width,
|
|
attributes.UntransformedSize.Height),
|
|
aViewTransform );
|
|
|
|
printTransform( aViewTransform, "createAnimationViewState" );
|
|
|
|
CanvasUtils.printLog( "createAnimationViewState: transformed origin is: (" + aTransformedRect.x + ", " + aTransformedRect.y + ")" );
|
|
|
|
// now move resulting left,top point of bounds to (0,0)
|
|
AffineTransform animationViewTransform = new AffineTransform();
|
|
animationViewTransform.translate( -aTransformedRect.x, -aTransformedRect.y );
|
|
animationViewTransform.concatenate( aViewTransform );
|
|
|
|
printTransform( animationViewTransform, "createAnimationViewState" );
|
|
|
|
return new ViewState( makeAffineMatrix2D( animationViewTransform ), inputViewState.Clip );
|
|
}
|
|
|
|
public static void postRenderImageTreatment( Image buffer )
|
|
{
|
|
// TODO: This is specific to Sun's JREs 1.4 and upwards. Make this more portable
|
|
buffer.flush(); // as long as we force images to VRAM,
|
|
// we need to flush them afterwards, to
|
|
// avoid eating up all VRAM.
|
|
}
|
|
|
|
public static void printTransform( AffineTransform transform,
|
|
String stringPrefix )
|
|
{
|
|
CanvasUtils.printLog( stringPrefix + ": Transform is" );
|
|
double [] matrix = new double[6];
|
|
transform.getMatrix(matrix);
|
|
int i;
|
|
for( i=0; i<6; ++i )
|
|
System.err.print( matrix[i] + ", " );
|
|
CanvasUtils.printLog( "" );
|
|
}
|
|
|
|
public static void preCondition( boolean bCondition,
|
|
String methodName )
|
|
{
|
|
if( !bCondition )
|
|
printLog("Precondition violated: " + methodName);
|
|
}
|
|
|
|
public static void printLog( String s )
|
|
{
|
|
System.err.println( s );
|
|
}
|
|
}
|