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/*
* Copyright 1999-2006 The Apache Software Foundation.
*
* Licensed under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/* $Id$ */
package org.apache.fop.render.ps;
//Java
import java.awt.Graphics;
import java.io.OutputStream;
import java.io.IOException;
//FOP
import org.apache.fop.Version;
import org.apache.fop.fonts.FontInfo;
import org.apache.fop.fonts.FontSetup;
/**
* This class is a wrapper for the <tt>PSGraphics2D</tt> that
* is used to create a full document around the PostScript rendering from
* <tt>PSGraphics2D</tt>.
*
* @author <a href="mailto:keiron@aftexsw.com">Keiron Liddle</a>
* @version $Id$
* @see org.apache.fop.render.ps.PSGraphics2D
*/
public class PSDocumentGraphics2D extends AbstractPSDocumentGraphics2D {
/**
* Create a new AbstractPSDocumentGraphics2D.
* This is used to create a new PostScript document, the height,
* width and output stream can be setup later.
* For use by the transcoder which needs font information
* for the bridge before the document size is known.
* The resulting document is written to the stream after rendering.
*
* @param textAsShapes set this to true so that text will be rendered
* using curves and not the font.
*/
PSDocumentGraphics2D(boolean textAsShapes) {
super(textAsShapes);
if (!textAsShapes) {
fontInfo = new FontInfo();
FontSetup.setup(fontInfo, null, null);
}
}
/**
* Create a new AbstractPSDocumentGraphics2D.
* This is used to create a new PostScript document of the given height
* and width.
* The resulting document is written to the stream after rendering.
*
* @param textAsShapes set this to true so that text will be rendered
* using curves and not the font.
* @param stream the stream that the final document should be written to.
* @param width the width of the document
* @param height the height of the document
* @throws IOException an io exception if there is a problem
* writing to the output stream
*/
public PSDocumentGraphics2D(boolean textAsShapes, OutputStream stream,
int width, int height) throws IOException {
this(textAsShapes);
setupDocument(stream, width, height);
}
public void nextPage() throws IOException {
closePage();
}
protected void writeFileHeader() throws IOException {
final Long pagewidth = new Long(this.width);
final Long pageheight = new Long(this.height);
//PostScript Header
gen.writeln(DSCConstants.PS_ADOBE_30);
gen.writeDSCComment(DSCConstants.CREATOR,
new String[] {"Apache FOP " + Version.getVersion()
+ ": PostScript Transcoder for SVG"});
gen.writeDSCComment(DSCConstants.CREATION_DATE,
new Object[] {new java.util.Date()});
gen.writeDSCComment(DSCConstants.PAGES, PSGenerator.ATEND);
gen.writeDSCComment(DSCConstants.BBOX, new Object[]
{ZERO, ZERO, pagewidth, pageheight});
gen.writeDSCComment(DSCConstants.END_COMMENTS);
//Defaults
gen.writeDSCComment(DSCConstants.BEGIN_DEFAULTS);
gen.writeDSCComment(DSCConstants.END_DEFAULTS);
//Prolog
gen.writeDSCComment(DSCConstants.BEGIN_PROLOG);
gen.writeDSCComment(DSCConstants.END_PROLOG);
//Setup
gen.writeDSCComment(DSCConstants.BEGIN_SETUP);
PSProcSets.writeFOPStdProcSet(gen);
PSProcSets.writeFOPEPSProcSet(gen);
if (fontInfo != null) {
PSFontUtils.writeFontDict(gen, fontInfo);
}
gen.writeDSCComment(DSCConstants.END_SETUP);
}
protected void writePageHeader() throws IOException {
Integer pageNumber = new Integer(this.pagecount);
gen.writeDSCComment(DSCConstants.PAGE, new Object[]
{pageNumber.toString(), pageNumber});
gen.writeDSCComment(DSCConstants.PAGE_BBOX, new Object[]
{ZERO, ZERO, new Integer(width), new Integer(height)});
gen.writeDSCComment(DSCConstants.BEGIN_PAGE_SETUP);
gen.writeln("<<");
gen.writeln("/PageSize [" + width + " " + height + "]");
gen.writeln("/ImagingBBox null");
gen.writeln(">> setpagedevice");
if (fontInfo != null) {
gen.writeln("FOPFonts begin");
}
}
protected void writePageTrailer() throws IOException {
gen.writeln("showpage");
gen.writeDSCComment(DSCConstants.PAGE_TRAILER);
gen.writeDSCComment(DSCConstants.END_PAGE);
}
/**
* This constructor supports the create method
* @param g the PostScript document graphics to make a copy of
*/
public PSDocumentGraphics2D(PSDocumentGraphics2D g) {
super(g);
}
/**
* Creates a new <code>Graphics</code> object that is
* a copy of this <code>Graphics</code> object.
* @return a new graphics context that is a copy of
* this graphics context.
*/
public Graphics create() {
return new PSDocumentGraphics2D(this);
}
}
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