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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.
*
*/
package org.apache.tools.ant.types.optional.image;
import java.awt.Color;
import java.awt.Font;
import java.awt.FontMetrics;
import java.awt.Graphics2D;
import java.awt.RenderingHints;
import java.awt.image.BufferedImage;
import javax.media.jai.PlanarImage;
/**
*
* @see org.apache.tools.ant.taskdefs.optional.image.Image
*/
public class Text extends ImageOperation implements DrawOperation {
private static final int DEFAULT_POINT = 10;
private String strText = "";
private String font = "Arial";
private int point = DEFAULT_POINT;
private boolean bold = false;
private boolean italic = false;
private String color = "black";
/**
* Set the string to be used as text.
* @param str the string to be used.
*/
public void setString(String str) {
strText = str;
}
/**
* Set the font to be used to draw the text.
* @param f the font to be used.
*/
public void setFont(String f) {
font = f;
}
/**
* Set the number of points to be used.
* @param p an integer value as a string.
*/
public void setPoint(String p) {
point = Integer.parseInt(p);
}
/**
* Set the color of the text.
* @param c the color name.
*/
public void setColor(String c) {
color = c;
}
/**
* @todo is this used?
* @param state not used at the moment.
*/
public void setBold(boolean state) {
bold = state;
}
/**
* @todo is this used?
* @param state not used at the moment.
*/
public void setItalic(boolean state) {
italic = state;
}
/**
* Draw the text.
* @return the resultant image.
*/
public PlanarImage executeDrawOperation() {
log("\tCreating Text \"" + strText + "\"");
Color couloir = ColorMapper.getColorByName(color);
int width = 1;
int height = 1;
BufferedImage bi = new BufferedImage(width, height, BufferedImage.TYPE_4BYTE_ABGR_PRE);
Graphics2D graphics = (Graphics2D) bi.getGraphics();
graphics.setRenderingHint(
RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
graphics.setRenderingHint(
RenderingHints.KEY_FRACTIONALMETRICS, RenderingHints.VALUE_FRACTIONALMETRICS_ON);
Font f = new Font(font, Font.PLAIN, point);
FontMetrics fmetrics = graphics.getFontMetrics(f);
height = fmetrics.getMaxAscent() + fmetrics.getMaxDescent();
width = fmetrics.stringWidth(strText);
bi = new BufferedImage(width, height, BufferedImage.TYPE_4BYTE_ABGR_PRE);
graphics = (Graphics2D) bi.getGraphics();
graphics.setRenderingHint(
RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
graphics.setRenderingHint(
RenderingHints.KEY_FRACTIONALMETRICS, RenderingHints.VALUE_FRACTIONALMETRICS_ON);
graphics.setFont(f);
graphics.setColor(couloir);
graphics.drawString(strText, 0, height - fmetrics.getMaxDescent());
PlanarImage image = PlanarImage.wrapRenderedImage(bi);
return image;
}
}
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