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What Is fop.jar in fop-2.7-bin.zip
What Is fop.jar? I got it from the fop-2.7-bin.zip.
✍: FYIcenter.com
fop.jar in fop-2.7-bin.zip is the JAR file for FOP 2.7, which is a print formatter driven by XSL formatting objects (XSL-FO). You can obtain fop.jar from the build folder of the fop-2.7-bin.zip file.
Below is the information about the fop.jar (2.2) file:
JAR File Size and Download Location:
JAR name: fop.jar, fop-2.7.jar Target JDK version: 1.7 File name: fop.jar File size: 4442817 bytes Release date: 20-Jan-2022 Download: Apache FOP Website
Java source code files for fop.jar:
⏎ org/apache/fop/render/intermediate/ArcToBezierCurveTransformer.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 * * 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. */ /* $Id$ */ package org.apache.fop.render.intermediate; import java.io.IOException; public class ArcToBezierCurveTransformer { private final BezierCurvePainter bezierCurvePainter; public ArcToBezierCurveTransformer(BezierCurvePainter bezierCurvePainter) { this.bezierCurvePainter = bezierCurvePainter; } /** * Draws an arc on the ellipse centered at (cx, cy) with width width and height height * from start angle startAngle (with respect to the x-axis counter-clockwise) * to the end angle endAngle. * The ellipses major axis are assumed to coincide with the coordinate axis. * The current position MUST coincide with the starting position on the ellipse. * @param startAngle the start angle * @param endAngle the end angle * @param cx the x coordinate of the ellipse center * @param cy the y coordinate of the ellipse center * @param width the extent of the ellipse in the x direction * @param height the extent of the ellipse in the y direction * @throws IOException if an I/O error occurs */ public void arcTo(final double startAngle, final double endAngle, final int cx, final int cy, final int width, final int height) throws IOException { // Implementation follows http://www.spaceroots.org/documents/ellipse/ - // Drawing an elliptical arc using polylines, quadratic or cubic Bézier curves // L. Maisonobe, July 21, 2003 // Scaling the coordinate system to represent the ellipse as a circle: final double etaStart = Math.atan(Math.tan(startAngle) * width / height) + quadrant(startAngle); final double etaEnd = Math.atan(Math.tan(endAngle) * width / height) + quadrant(endAngle); final double sinStart = Math.sin(etaStart); final double cosStart = Math.cos(etaStart); final double sinEnd = Math.sin(etaEnd); final double cosEnd = Math.cos(etaEnd); final double p0x = cx + cosStart * width; final double p0y = cy + sinStart * height; final double p3x = cx + cosEnd * width; final double p3y = cy + sinEnd * height; double etaDiff = Math.abs(etaEnd - etaStart); double tan = Math.tan((etaDiff) / 2d); final double alpha = Math.sin(etaDiff) * (Math.sqrt(4d + 3d * tan * tan) - 1d) / 3d; int order = etaEnd > etaStart ? 1 : -1; // p1 = p0 + alpha*(-sin(startAngle), cos(startAngle)) final double p1x = p0x - alpha * sinStart * width * order; final double p1y = p0y + alpha * cosStart * height * order; // p1 = p3 + alpha*(sin(endAngle), -cos(endAngle)) final double p2x = p3x + alpha * sinEnd * width * order; final double p2y = p3y - alpha * cosEnd * height * order; //Draw the curve in original coordinate system bezierCurvePainter.cubicBezierTo((int) p1x, (int) p1y, (int) p2x, (int) p2y, (int) p3x, (int) p3y); } private double quadrant(double angle) { if (angle <= Math.PI) { if (angle <= Math.PI / 2d) { return 0; } else { return Math.PI; } } else { if (angle > Math.PI * 3d / 2d) { return 2d * Math.PI; } else { return Math.PI; } } } }
⏎ org/apache/fop/render/intermediate/ArcToBezierCurveTransformer.java
Or download all of them as a single archive file:
File name: fop-2.7-src.zip File size: 3401312 bytes Release date: 2022-01-20 Download
⇒ "fop" Command in fop-2.7-bin.zip
2016-07-07, 34624👍, 0💬
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