+++ /dev/null
-/*
- * Jalview - A Sequence Alignment Editor and Viewer ($$Version-Rel$$)
- * Copyright (C) $$Year-Rel$$ The Jalview Authors
- *
- * This file is part of Jalview.
- *
- * Jalview is free software: you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation, either version 3
- * of the License, or (at your option) any later version.
- *
- * Jalview 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 General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with Jalview. If not, see <http://www.gnu.org/licenses/>.
- * The Jalview Authors are detailed in the 'AUTHORS' file.
- */
-package org.jibble.epsgraphics;
-
-import java.io.BufferedWriter;
-import java.io.IOException;
-import java.io.OutputStream;
-import java.io.OutputStreamWriter;
-import java.io.StringWriter;
-import java.io.Writer;
-import java.util.Date;
-
-/**
- * This represents an EPS document. Several EpsGraphics2D objects may point to
- * the same EpsDocument.
- * <p>
- * Copyright Paul Mutton, <a
- * href="http://www.jibble.org/">http://www.jibble.org/</a>
- *
- */
-public class EpsDocument
-{
-
- /**
- * Constructs an empty EpsDevice.
- */
- public EpsDocument(String title)
- {
- _title = title;
- minX = Float.POSITIVE_INFINITY;
- minY = Float.POSITIVE_INFINITY;
- maxX = Float.NEGATIVE_INFINITY;
- maxY = Float.NEGATIVE_INFINITY;
- _stringWriter = new StringWriter();
- _bufferedWriter = new BufferedWriter(_stringWriter);
- }
-
- /**
- * Constructs an empty EpsDevice that writes directly to a file. Bounds must
- * be set before use.
- */
- public EpsDocument(String title, OutputStream outputStream, int minX,
- int minY, int maxX, int maxY) throws IOException
- {
- _title = title;
- this.minX = minX;
- this.minY = minY;
- this.maxX = maxX;
- this.maxY = maxY;
- _bufferedWriter = new BufferedWriter(new OutputStreamWriter(
- outputStream));
- write(_bufferedWriter);
- }
-
- /**
- * Returns the title of the EPS document.
- */
- public synchronized String getTitle()
- {
- return _title;
- }
-
- /**
- * Updates the bounds of the current EPS document.
- */
- public synchronized void updateBounds(double x, double y)
- {
- if (x > maxX)
- {
- maxX = (float) x;
- }
- if (x < minX)
- {
- minX = (float) x;
- }
- if (y > maxY)
- {
- maxY = (float) y;
- }
- if (y < minY)
- {
- minY = (float) y;
- }
- }
-
- /**
- * Appends a line to the EpsDocument. A new line character is added to the end
- * of the line when it is added.
- */
- public synchronized void append(EpsGraphics2D g, String line)
- {
- if (_lastG == null)
- {
- _lastG = g;
- }
- else if (g != _lastG)
- {
- EpsGraphics2D lastG = _lastG;
- _lastG = g;
- // We are being drawn on with a different EpsGraphics2D context.
- // We may need to update the clip, etc from this new context.
- if (g.getClip() != lastG.getClip())
- {
- g.setClip(g.getClip());
- }
- if (!g.getColor().equals(lastG.getColor()))
- {
- g.setColor(g.getColor());
- }
- if (!g.getBackground().equals(lastG.getBackground()))
- {
- g.setBackground(g.getBackground());
- }
- // We don't need this, as this only affects the stroke and font,
- // which are dealt with separately later on.
- // if (!g.getTransform().equals(lastG.getTransform())) {
- // g.setTransform(g.getTransform());
- // }
- if (!g.getPaint().equals(lastG.getPaint()))
- {
- g.setPaint(g.getPaint());
- }
- if (!g.getComposite().equals(lastG.getComposite()))
- {
- g.setComposite(g.getComposite());
- }
- if (!g.getComposite().equals(lastG.getComposite()))
- {
- g.setComposite(g.getComposite());
- }
- if (!g.getFont().equals(lastG.getFont()))
- {
- g.setFont(g.getFont());
- }
- if (!g.getStroke().equals(lastG.getStroke()))
- {
- g.setStroke(g.getStroke());
- }
- }
- _lastG = g;
-
- try
- {
- _bufferedWriter.write(line + "\n");
- } catch (IOException e)
- {
- throw new EpsException("Could not write to the output file: " + e);
- }
- }
-
- /**
- * Outputs the contents of the EPS document to the specified Writer, complete
- * with headers and bounding box.
- */
- public synchronized void write(Writer writer) throws IOException
- {
- float offsetX = -minX;
- float offsetY = -minY;
-
- writer.write("%!PS-Adobe-3.0 EPSF-3.0\n");
- writer.write("%%Creator: Jalview "
- + jalview.bin.Cache.getProperty("VERSION") + " \n");
- writer.write("%%Title: " + _title + "\n");
- writer.write("%%CreationDate: " + new Date() + "\n");
- writer.write("%%BoundingBox: 0 0 " + ((int) Math.ceil(maxX + offsetX))
- + " " + ((int) Math.ceil(maxY + offsetY)) + "\n");
- writer.write("%%DocumentData: Clean7Bit\n");
- writer.write("%%DocumentProcessColors: Black\n");
- writer.write("%%ColorUsage: Color\n");
- writer.write("%%Origin: 0 0\n");
- writer.write("%%Pages: 1\n");
- writer.write("%%Page: 1 1\n");
- writer.write("%%EndComments\n\n");
-
- writer.write("gsave\n");
-
- if (_stringWriter != null)
- {
- writer.write(offsetX + " " + (offsetY) + " translate\n");
-
- _bufferedWriter.flush();
- StringBuffer buffer = _stringWriter.getBuffer();
- for (int i = 0; i < buffer.length(); i++)
- {
- writer.write(buffer.charAt(i));
- }
-
- writeFooter(writer);
- }
- else
- {
- writer.write(offsetX + " " + ((maxY - minY) - offsetY)
- + " translate\n");
- }
-
- writer.flush();
- }
-
- private void writeFooter(Writer writer) throws IOException
- {
- writer.write("grestore\n");
- if (isClipSet())
- {
- writer.write("grestore\n");
- }
- writer.write("showpage\n");
- writer.write("\n");
- writer.write("%%EOF");
- writer.flush();
- }
-
- public synchronized void flush() throws IOException
- {
- _bufferedWriter.flush();
- }
-
- public synchronized void close() throws IOException
- {
- if (_stringWriter == null)
- {
- writeFooter(_bufferedWriter);
- _bufferedWriter.flush();
- _bufferedWriter.close();
- }
- }
-
- public boolean isClipSet()
- {
- return _isClipSet;
- }
-
- public void setClipSet(boolean isClipSet)
- {
- _isClipSet = isClipSet;
- }
-
- private float minX;
-
- private float minY;
-
- private float maxX;
-
- private float maxY;
-
- private boolean _isClipSet = false;
-
- private String _title;
-
- private StringWriter _stringWriter;
-
- private BufferedWriter _bufferedWriter = null;
-
- // We need to remember which was the last EpsGraphics2D object to use
- // us, as we need to replace the clipping region if another EpsGraphics2D
- // object tries to use us.
- private EpsGraphics2D _lastG = null;
-
-}
git://source.jalview.org / jalview.git / blobdiff