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Ant example source code file (Draw.java)

This example Ant source code file (Draw.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java - Ant tags/keywords

awt, bufferedimage, bufferedimage, draw, drawoperation, graphics2d, graphics2d, image, imageoperation, planarimage, planarimage, transformoperation, transformoperation

The Draw.java source code

/*
 *  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 javax.media.jai.PlanarImage;
import java.awt.Graphics2D;
import java.awt.image.BufferedImage;

/**
 *
 * @see org.apache.tools.ant.taskdefs.optional.image.Image
 */
public class Draw extends TransformOperation {
    // CheckStyle:VisibilityModifier OFF - bc
    protected int xloc = 0;
    protected int yloc = 0;
    // CheckStyle:VisibilityModifier ON

    /**
     * Set the X location.
     * @param x the value to use.
     */
    public void setXloc(int x) {
        xloc = x;
    }

    /**
     * Set the Y location.
     * @param y the value to use.
     */
    public void setYloc(int y) {
        yloc = y;
    }

    /** {@inheritDoc}. */
    public void addRectangle(Rectangle rect) {
        instructions.add(rect);
    }

    /** {@inheritDoc}. */
    public void addText(Text text) {
        instructions.add(text);
    }

    /**
     * Add an ellipse.
     * @param elip the ellipse to add.
     */
    public void addEllipse(Ellipse elip) {
        instructions.add(elip);
    }

    /**
     * Add an arc.
     * @param arc the arc to add.
     */
    public void addArc(Arc arc) {
        instructions.add(arc);
    }

    /** {@inheritDoc}. */
    public PlanarImage executeTransformOperation(PlanarImage image) {
        BufferedImage bi = image.getAsBufferedImage();
        Graphics2D graphics = (Graphics2D) bi.getGraphics();

        for (int i = 0; i < instructions.size(); i++) {
            ImageOperation instr = ((ImageOperation) instructions.elementAt(i));
            if (instr instanceof DrawOperation) {
                PlanarImage op = ((DrawOperation) instr).executeDrawOperation();
                log("\tDrawing to x=" + xloc + " y=" + yloc);
                graphics.drawImage(op.getAsBufferedImage(), null, xloc, yloc);
            } else if (instr instanceof TransformOperation) {
                PlanarImage op
                    = ((TransformOperation) instr).executeTransformOperation(null);
                BufferedImage child = op.getAsBufferedImage();
                log("\tDrawing to x=" + xloc + " y=" + yloc);
                graphics.drawImage(child, null, xloc, yloc);
                PlanarImage.wrapRenderedImage(bi);
            }
        }
        image = PlanarImage.wrapRenderedImage(bi);

        return image;
    }
}

Other Ant examples (source code examples)

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