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/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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: ImageWriterExample1.java 750418 2009-03-05 11:03:54Z vhennebert $ */
package image.writer;
import java.awt.Color;
import java.awt.Font;
import java.awt.Graphics2D;
import java.awt.font.TextAttribute;
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.IOException;
import java.io.OutputStream;
import java.text.AttributedString;
import org.apache.commons.io.IOUtils;
import org.apache.xmlgraphics.image.writer.ImageWriter;
import org.apache.xmlgraphics.image.writer.ImageWriterParams;
import org.apache.xmlgraphics.image.writer.ImageWriterRegistry;
public class ImageWriterExample1 {
/**
* Paints a few things on a Graphics2D instance.
* @param g2d the Graphics2D instance
* @param pageNum a page number
*/
protected void paintSome(Graphics2D g2d, int pageNum) {
//Paint a bounding box
g2d.drawRect(0, 0, 400, 200);
//A few rectangles rotated and with different color
Graphics2D copy = (Graphics2D)g2d.create();
int c = 12;
for (int i = 0; i < c; i++) {
float f = ((i + 1) / (float)c);
Color col = new Color(0.0f, 1 - f, 0.0f);
copy.setColor(col);
copy.fillRect(70, 90, 50, 50);
copy.rotate(-2 * Math.PI / (double)c, 70, 90);
}
copy.dispose();
//Some text
copy = (Graphics2D)g2d.create();
copy.rotate(-0.25);
copy.setColor(Color.RED);
copy.setFont(new Font("sans-serif", Font.PLAIN, 36));
copy.drawString("Hello world!", 140, 140);
copy.setColor(Color.RED.darker());
copy.setFont(new Font("serif", Font.PLAIN, 36));
copy.drawString("Hello world!", 140, 180);
copy.dispose();
//Try attributed text
AttributedString aString = new AttributedString("This is attributed text.");
aString.addAttribute(TextAttribute.FAMILY, "SansSerif");
aString.addAttribute(TextAttribute.FAMILY, "Serif", 8, 18);
aString.addAttribute(TextAttribute.FOREGROUND, Color.orange, 8, 18);
g2d.drawString(aString.getIterator(), 250, 170);
g2d.drawString("Page: " + pageNum, 250, 190);
}
/**
* Creates a bitmap file. We paint a few things on a bitmap and then save the bitmap using
* an ImageWriter.
* @param outputFile the target file
* @param format the target format (a MIME type, ex. "image/png")
* @throws IOException In case of an I/O error
*/
public void generateBitmapUsingJava2D(File outputFile, String format)
throws IOException {
//String compression = "CCITT T.6";
String compression = "PackBits";
boolean monochrome = compression.startsWith("CCITT"); //CCITT is for 1bit b/w only
BufferedImage bimg;
if (monochrome) {
bimg = new BufferedImage(400, 200, BufferedImage.TYPE_BYTE_BINARY);
} else {
bimg = new BufferedImage(400, 200, BufferedImage.TYPE_INT_RGB);
}
Graphics2D g2d = bimg.createGraphics();
g2d.setBackground(Color.white);
g2d.clearRect(0, 0, 400, 200);
g2d.setColor(Color.black);
//Paint something
paintSome(g2d, 1);
OutputStream out = new java.io.FileOutputStream(outputFile);
out = new java.io.BufferedOutputStream(out);
try {
ImageWriter writer = ImageWriterRegistry.getInstance().getWriterFor(format);
ImageWriterParams params = new ImageWriterParams();
params.setCompressionMethod(compression);
params.setResolution(72);
writer.writeImage(bimg, out, params);
} finally {
IOUtils.closeQuietly(out);
}
}
/**
* Command-line interface
* @param args command-line arguments
*/
public static void main(String[] args) {
try {
File targetDir;
if (args.length >= 1) {
targetDir = new File(args[0]);
} else {
targetDir = new File(".");
}
if (!targetDir.exists()) {
System.err.println("Target Directory does not exist: " + targetDir);
}
File outputFile = new File(targetDir, "eps-example1.tif");
ImageWriterExample1 app = new ImageWriterExample1();
app.generateBitmapUsingJava2D(outputFile, "image/tiff");
System.out.println("File written: " + outputFile.getCanonicalPath());
} catch (Exception e) {
e.printStackTrace();
}
}
}
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