| /****************************************************************************** |
| * Copyright (c) 2003, 2006 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| ****************************************************************************/ |
| |
| package org.eclipse.gmf.runtime.draw2d.ui.render.awt.internal.svg.metafile; |
| |
| import java.awt.Graphics2D; |
| import java.awt.geom.GeneralPath; |
| import java.io.IOException; |
| |
| import org.apache.batik.transcoder.TranscoderException; |
| import org.eclipse.gmf.runtime.draw2d.ui.render.awt.internal.svg.metafile.DeviceContext; |
| import org.eclipse.gmf.runtime.draw2d.ui.render.awt.internal.svg.metafile.GdiPen; |
| import org.eclipse.gmf.runtime.draw2d.ui.render.awt.internal.svg.metafile.IEmf2SvgConverter; |
| import org.eclipse.gmf.runtime.draw2d.ui.render.awt.internal.svg.metafile.IRenderToPath; |
| import org.eclipse.gmf.runtime.draw2d.ui.render.awt.internal.svg.metafile.IWmf2SvgConverter; |
| import org.eclipse.gmf.runtime.draw2d.ui.render.awt.internal.svg.metafile.Record; |
| |
| /** |
| * @author dhabib |
| */ |
| public class LineTo implements IEmf2SvgConverter, IWmf2SvgConverter, IRenderToPath |
| { |
| private static final int EMF_X_OFFSET = 0; |
| private static final int EMF_Y_OFFSET = 4; |
| private static final int WMF_X_OFFSET = 2; |
| private static final int WMF_Y_OFFSET = 0; |
| |
| private int m_xPos = 0; |
| private int m_yPos = 0; |
| |
| private int m_xPosConv = -1; |
| private int m_yPosConv = -1; |
| |
| public void readWMFRecord( Record emr ) throws IOException |
| { |
| m_xPos = emr.getShortAt( WMF_X_OFFSET ); |
| m_yPos = emr.getShortAt( WMF_Y_OFFSET ); |
| } |
| |
| public void readEMFRecord( Record emr ) throws IOException |
| { |
| // First members of the structure are the x,y coordinates to move to. |
| m_xPos = emr.getIntAt( EMF_X_OFFSET ); |
| m_yPos = emr.getIntAt( EMF_Y_OFFSET ); |
| } |
| |
| public void render( Graphics2D g, DeviceContext context ) throws TranscoderException |
| { |
| GdiPen curPen = context.getCurPen(); |
| |
| if( curPen != null ) |
| { |
| curPen.apply( g, context ); |
| |
| m_xPosConv = context.convertXToSVGLogicalUnits( m_xPos ); |
| m_yPosConv = context.convertYToSVGLogicalUnits( m_yPos ); |
| |
| g.drawLine( context.convertXToSVGLogicalUnits( context.getCurPosX() ), |
| context.convertYToSVGLogicalUnits( context.getCurPosY() ), |
| m_xPosConv, |
| m_yPosConv ); |
| } |
| |
| context.setCurPosX( m_xPos ); |
| context.setCurPosY( m_yPos ); |
| } |
| |
| public void render( DeviceContext context ) throws TranscoderException |
| { |
| GeneralPath p = context.getGdiPath().getCurrentFigure(); |
| |
| m_xPosConv = context.convertXToSVGLogicalUnits( m_xPos ); |
| m_yPosConv = context.convertYToSVGLogicalUnits( m_yPos ); |
| |
| p.lineTo( m_xPosConv , |
| m_yPosConv ); |
| |
| context.setCurPosX( m_xPos ); |
| context.setCurPosY( m_yPos ); |
| } |
| |
| public String toString() { |
| StringBuffer sb = new StringBuffer(); |
| sb.append('('); |
| sb.append(m_xPosConv); |
| sb.append(','); |
| sb.append(m_yPosConv); |
| sb.append(')'); |
| return sb.toString(); |
| } |
| } |