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/* ========================================================================
* PlantUML : a free UML diagram generator
* ========================================================================
*
* (C) Copyright 2009-2017, Arnaud Roques
*
* Project Info: http://plantuml.com
*
* This file is part of PlantUML.
*
* Licensed under The MIT License (Massachusetts Institute of Technology License)
*
* See http://opensource.org/licenses/MIT
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR
* IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
*
* Original Author: Arnaud Roques
*/
package net.sourceforge.plantuml.creole;
import java.awt.Font;
import java.awt.geom.Dimension2D;
import java.awt.image.BufferedImage;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.net.URL;
import java.net.URLConnection;
import javax.imageio.ImageIO;
import net.sourceforge.plantuml.Dimension2DDouble;
import net.sourceforge.plantuml.FileSystem;
import net.sourceforge.plantuml.code.Base64Coder;
import net.sourceforge.plantuml.graphic.FontConfiguration;
import net.sourceforge.plantuml.graphic.ImgValign;
import net.sourceforge.plantuml.graphic.StringBounder;
import net.sourceforge.plantuml.ugraphic.UFont;
import net.sourceforge.plantuml.ugraphic.UGraphic;
import net.sourceforge.plantuml.ugraphic.UImage;
public class AtomImg implements Atom {
private static final String DATA_IMAGE_PNG_BASE64 = "data:image/png;base64,";
private final BufferedImage image;
private final double scale;
private AtomImg(BufferedImage image, double scale) {
this.image = image;
this.scale = scale;
}
public static Atom create(String src, final ImgValign valign, final int vspace, final double scale) {
final UFont font = new UFont("Monospaced", Font.PLAIN, 14);
final FontConfiguration fc = FontConfiguration.blackBlueTrue(font);
if (src.startsWith(DATA_IMAGE_PNG_BASE64)) {
final String data = src.substring(DATA_IMAGE_PNG_BASE64.length(), src.length());
try {
final byte bytes[] = Base64Coder.decode(data);
return build(src, fc, bytes, scale);
} catch (Exception e) {
return AtomText.create("ERROR " + e.toString(), fc);
}
}
try {
final File f = FileSystem.getInstance().getFile(src);
if (f.exists() == false) {
// Check if valid URL
if (src.startsWith("http:") || src.startsWith("https:")) {
final byte image[] = getFile(src);
return build(src, fc, image, scale);
}
return AtomText.create("(File not found: " + f + ")", fc);
}
if (f.getName().endsWith(".svg")) {
// return new AtomImg(new TileImageSvg(f));
throw new UnsupportedOperationException();
}
final BufferedImage read = ImageIO.read(f);
if (read == null) {
return AtomText.create("(Cannot decode: " + f + ")", fc);
}
return new AtomImg(ImageIO.read(f), scale);
} catch (IOException e) {
return AtomText.create("ERROR " + e.toString(), fc);
}
}
private static Atom build(String source, final FontConfiguration fc, final byte[] data, double scale)
throws IOException {
final BufferedImage read = ImageIO.read(new ByteArrayInputStream(data));
if (read == null) {
return AtomText.create("(Cannot decode: " + source + ")", fc);
}
return new AtomImg(read, scale);
}
// Added by Alain Corbiere
static byte[] getFile(String host) throws IOException {
final ByteArrayOutputStream image = new ByteArrayOutputStream();
InputStream input = null;
try {
final URL url = new URL(host);
final URLConnection connection = url.openConnection();
input = connection.getInputStream();
final byte[] buffer = new byte[1024];
int read;
while ((read = input.read(buffer)) > 0) {
image.write(buffer, 0, read);
}
image.close();
return image.toByteArray();
} finally {
if (input != null) {
input.close();
}
}
}
// End
public Dimension2D calculateDimension(StringBounder stringBounder) {
return new Dimension2DDouble(image.getWidth() * scale, image.getHeight() * scale);
}
public double getStartingAltitude(StringBounder stringBounder) {
return 0;
}
public void drawU(UGraphic ug) {
// final double h = calculateDimension(ug.getStringBounder()).getHeight();
ug.draw(new UImage(image, scale));
// tileImage.drawU(ug.apply(new UTranslate(0, -h)));
}
}
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