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Apache Ant Source Code Files
Apache Ant Source Code Files are inside the Apache Ant source package file like apache-ant-1.10.10-src.zip. Unzip the source package file and go to the "src/main" sub-directory, you will see source code files.
Here is the list of Java source code files of the Apache Ant 1.10.10 in \Users\fyicenter\apache-ant-1.10.10\src\main:
✍: FYIcenter.com
⏎ org/apache/tools/ant/types/optional/imageio/Rotate.java
/* * 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 * * https://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.imageio; import org.apache.tools.ant.Project; import java.awt.Color; import java.awt.Graphics2D; import java.awt.geom.AffineTransform; import java.awt.geom.Point2D; import java.awt.geom.Rectangle2D; import java.awt.image.AffineTransformOp; import java.awt.image.BufferedImage; import java.util.Arrays; /** * ImageOperation to rotate an image by a certain degree * * @see org.apache.tools.ant.taskdefs.optional.image.ImageIOTask */ public class Rotate extends TransformOperation implements DrawOperation { private static final float HALF_CIRCLE = 180.0F; private float angle = 0.0F; /** * Sets the angle of rotation in degrees. * @param ang The angle at which to rotate the image */ public void setAngle(String ang) { angle = Float.parseFloat(ang) % (2 * HALF_CIRCLE); } /** * Rotate an image. * @param image the image to rotate. * @return the rotated image. */ public BufferedImage performRotate(BufferedImage image) { // Float zero can be negative if (Float.compare(Math.abs(angle), 0.0F) == 0) { return image; } if (angle < 0) { angle += 2 * HALF_CIRCLE; } // 180 degree rotation == flip the image vertically and horizontally if (Float.compare(angle, HALF_CIRCLE) == 0) { log("Flipping an image", Project.MSG_DEBUG); AffineTransform tx = AffineTransform.getScaleInstance(-1, -1); tx.translate(-image.getWidth(null), -image.getHeight(null)); AffineTransformOp op = new AffineTransformOp(tx, AffineTransformOp.TYPE_NEAREST_NEIGHBOR); return op.filter(image, null); } AffineTransform tx = AffineTransform.getRotateInstance((float) (angle * (Math.PI / HALF_CIRCLE))); // Figure out the new bounding box Rectangle2D box = getBoundingBox(image, tx); AffineTransform translation = AffineTransform.getTranslateInstance(-box.getMinX(), -box.getMinY()); tx.preConcatenate(translation); BufferedImage rotatedImage = new BufferedImage((int) Math.round(box.getWidth()), (int) Math.round(box.getHeight()), image.getType()); // Avoid black space around the rotated image Graphics2D graphics = rotatedImage.createGraphics(); graphics.setPaint(new Color(image.getRGB(0, 0))); graphics.fillRect(0, 0, rotatedImage.getWidth(), rotatedImage.getHeight()); graphics.dispose(); // Rotate AffineTransformOp rotateOp = new AffineTransformOp(tx, AffineTransformOp.TYPE_BILINEAR); rotateOp.filter(image, rotatedImage); return rotatedImage; } private Rectangle2D getBoundingBox(BufferedImage image, AffineTransform tx) { int xmax = image.getWidth() - 1; int ymax = image.getHeight() - 1; Point2D[] corners = new Point2D.Double[4]; corners[0] = new Point2D.Double(0, 0); corners[1] = new Point2D.Double(xmax, 0); corners[2] = new Point2D.Double(xmax, ymax); corners[3] = new Point2D.Double(0, ymax); tx.transform(corners, 0, corners, 0, 4); // Create bounding box of transformed corner points Rectangle2D boundingBox = new Rectangle2D.Double(); Arrays.stream(corners, 0, 4).forEach(boundingBox::add); return boundingBox; } /** * Performs the image rotation when being handled as a TransformOperation. * @param image The image to perform the transformation on. * @return the transformed image. */ @Override public BufferedImage executeTransformOperation(BufferedImage image) { for (ImageOperation instr : instructions) { if (instr instanceof DrawOperation) { // If this TransformOperation has DrawOperation children // then Rotate the first child and return. BufferedImage op = ((DrawOperation) instr).executeDrawOperation(); return performRotate(op); } if (instr instanceof TransformOperation) { image = ((TransformOperation) instr).executeTransformOperation(image); } } image = performRotate(image); return image; } /** * Performs the image rotation when being handled as a DrawOperation. * It absolutely requires that there be a DrawOperation nested beneath it, * but only the FIRST DrawOperation will be handled since it can only return * ONE image. * @return the image. */ @Override public BufferedImage executeDrawOperation() { for (ImageOperation instr : instructions) { if (instr instanceof DrawOperation) { // If this TransformOperation has DrawOperation children // then Rotate the first child and return. BufferedImage op = ((DrawOperation) instr).executeDrawOperation(); return performRotate(op); } } return null; } }
⏎ org/apache/tools/ant/types/optional/imageio/Rotate.java
Or download all of them as a single archive file:
File name: apache-ant-1.10.10-fyi.zip File size: 2392938 bytes Release date: 2021-04-17 Download
⇐ Download Apache Ant Source Package
2021-07-10, 110985👍, 0💬
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