/* ===========================================================
* Orson Charts : a 3D chart library for the Java(tm) platform
* ===========================================================
*
* (C)opyright 2013-2016, by Object Refinery Limited. All rights reserved.
*
* http://www.object-refinery.com/orsoncharts/index.html
*
* This program 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.
*
* This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
*
* [Oracle and Java are registered trademarks of Oracle and/or its affiliates.
* Other names may be trademarks of their respective owners.]
*
* If you do not wish to be bound by the terms of the GPL, an alternative
* commercial license can be purchased. For details, please see visit the
* Orson Charts home page:
*
* http://www.object-refinery.com/orsoncharts/index.html
*
*/
package com.orsoncharts.graphics3d;
import java.awt.Graphics2D;
import java.awt.Rectangle;
import java.awt.geom.Rectangle2D;
import java.awt.image.BufferedImage;
import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStream;
import java.lang.reflect.Constructor;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import javax.imageio.ImageIO;
import com.orsoncharts.util.ArgChecks;
import com.orsoncharts.util.ExportFormats;
/**
* Export utility methods.
*
* @since 1.4
*/
public class ExportUtils {
/**
* Writes the current content to the specified file in SVG format. This
* will only work when the JFreeSVG library is found on the classpath.
* Reflection is used to ensure there is no compile-time dependency on
* JFreeSVG. Any exceptions that occur while writing the file are
* caught and wrapped in a {@code RuntimeException} that is then thrown.
*
* @param drawable the drawable ({@code null} not permitted).
* @param w the chart width.
* @param h the chart height.
* @param file the output file ({@code null} not permitted).
*
* @return The rendering info.
*/
public static RenderingInfo writeAsSVG(Drawable3D drawable, int w, int h,
File file) {
if (!ExportFormats.isJFreeSVGAvailable()) {
throw new IllegalStateException(
"JFreeSVG is not present on the classpath.");
}
ArgChecks.nullNotPermitted(drawable, "drawable");
ArgChecks.nullNotPermitted(file, "file");
try {
Class<?> svg2Class = Class.forName(
"org.jfree.graphics2d.svg.SVGGraphics2D");
Constructor<?> c1 = svg2Class.getConstructor(int.class, int.class);
Graphics2D svg2 = (Graphics2D) c1.newInstance(w, h);
Rectangle2D drawArea = new Rectangle2D.Double(0, 0, w, h);
RenderingInfo info = drawable.draw(svg2, drawArea);
Class<?> svgUtilsClass = Class.forName(
"org.jfree.graphics2d.svg.SVGUtils");
Method m1 = svg2Class.getMethod("getSVGElement", (Class[]) null);
String element = (String) m1.invoke(svg2, (Object[]) null);
Method m2 = svgUtilsClass.getMethod("writeToSVG", File.class,
String.class);
m2.invoke(svgUtilsClass, file, element);
return info;
} catch (ClassNotFoundException ex) {
throw new RuntimeException(ex);
} catch (InstantiationException ex) {
throw new RuntimeException(ex);
} catch (IllegalAccessException ex) {
throw new RuntimeException(ex);
} catch (NoSuchMethodException ex) {
throw new RuntimeException(ex);
} catch (SecurityException ex) {
throw new RuntimeException(ex);
} catch (IllegalArgumentException ex) {
throw new RuntimeException(ex);
} catch (InvocationTargetException ex) {
throw new RuntimeException(ex);
}
}
/**
* Writes a {@link Drawable3D} to the specified file in PDF format. This
* will only work when the OrsonPDF library is found on the classpath.
* Reflection is used to ensure there is no compile-time dependency on
* OrsonPDF. Any exceptions that occur while writing the file are
* caught and wrapped in a {@code RuntimeException} that is then thrown.
*
* @param drawable the drawable ({code null} not permitted).
* @param w the chart width.
* @param h the chart height.
* @param file the output file ({code null} not permitted).
*
* @return The rendering info.
*/
public static final RenderingInfo writeAsPDF(Drawable3D drawable,
int w, int h, File file) {
if (!ExportFormats.isOrsonPDFAvailable()) {
throw new IllegalStateException(
"OrsonPDF is not present on the classpath.");
}
ArgChecks.nullNotPermitted(drawable, "drawable");
ArgChecks.nullNotPermitted(file, "file");
try {
Class<?> pdfDocClass = Class.forName("com.orsonpdf.PDFDocument");
Object pdfDoc = pdfDocClass.newInstance();
Method m = pdfDocClass.getMethod("createPage", Rectangle2D.class);
Rectangle2D rect = new Rectangle(w, h);
Object page = m.invoke(pdfDoc, rect);
Method m2 = page.getClass().getMethod("getGraphics2D");
Graphics2D g2 = (Graphics2D) m2.invoke(page);
Rectangle2D drawArea = new Rectangle2D.Double(0, 0, w, h);
RenderingInfo info = drawable.draw(g2, drawArea);
Method m3 = pdfDocClass.getMethod("writeToFile", File.class);
m3.invoke(pdfDoc, file);
return info;
} catch (ClassNotFoundException ex) {
throw new RuntimeException(ex);
} catch (InstantiationException ex) {
throw new RuntimeException(ex);
} catch (IllegalAccessException ex) {
throw new RuntimeException(ex);
} catch (NoSuchMethodException ex) {
throw new RuntimeException(ex);
} catch (SecurityException ex) {
throw new RuntimeException(ex);
} catch (IllegalArgumentException ex) {
throw new RuntimeException(ex);
} catch (InvocationTargetException ex) {
throw new RuntimeException(ex);
}
}
/**
* Writes the current content to the specified file in PNG format.
*
* @param drawable the drawable ({@code null} not permitted).
* @param w the chart width.
* @param h the chart height.
* @param file the output file ({@code null} not permitted).
*
* @return The rendering info.
*
* @throws FileNotFoundException if the file is not found.
* @throws IOException if there is an I/O problem.
*/
public static RenderingInfo writeAsPNG(Drawable3D drawable, int w, int h,
File file) throws FileNotFoundException, IOException {
BufferedImage image = new BufferedImage(w, h,
BufferedImage.TYPE_INT_ARGB);
Graphics2D g2 = image.createGraphics();
RenderingInfo result = drawable.draw(g2, new Rectangle(w, h));
OutputStream out = new BufferedOutputStream(new FileOutputStream(file));
try {
ImageIO.write(image, "png", out);
}
finally {
out.close();
}
return result;
}
/**
* Writes the current content to the specified file in JPEG format.
*
* @param drawable the drawable ({@code null} not permitted).
* @param w the chart width.
* @param h the chart height.
* @param file the output file ({@code null} not permitted).
*
* @return The rendering info.
*
* @throws FileNotFoundException if the file is not found.
* @throws IOException if there is an I/O problem.
*/
public static RenderingInfo writeAsJPEG(Drawable3D drawable, int w, int h,
File file) throws FileNotFoundException, IOException {
BufferedImage image = new BufferedImage(w, h,
BufferedImage.TYPE_INT_RGB);
Graphics2D g2 = image.createGraphics();
RenderingInfo result = drawable.draw(g2, new Rectangle(w, h));
OutputStream out = new BufferedOutputStream(new FileOutputStream(file));
try {
ImageIO.write(image, "jpg", out);
}
finally {
out.close();
}
return result;
}
}