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diff --git a/src/java/org/apache/fop/render/java2d/Java2DGraphicsPainter.java b/src/java/org/apache/fop/render/java2d/Java2DGraphicsPainter.java
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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.
+ */
+
+/* $Id$ */
+
+package org.apache.fop.render.java2d;
+
+import java.awt.BasicStroke;
+import java.awt.Color;
+import java.awt.Graphics2D;
+import java.awt.Point;
+import java.awt.Rectangle;
+import java.awt.geom.GeneralPath;
+import java.awt.geom.Line2D;
+import java.io.IOException;
+
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+
+import org.apache.fop.fo.Constants;
+import org.apache.fop.render.intermediate.GraphicsPainter;
+import org.apache.fop.traits.RuleStyle;
+import org.apache.fop.util.ColorUtil;
+
+class Java2DGraphicsPainter implements GraphicsPainter {
+
+ /** logging instance */
+ static final Log log = LogFactory.getLog(Java2DGraphicsPainter.class);
+
+
+ private GeneralPath currentPath;
+
+ private final Java2DPainter painter;
+
+
+ Java2DGraphicsPainter(Java2DPainter painter) {
+ this.painter = painter;
+ }
+
+ private Java2DGraphicsState getG2DState() {
+ return this.painter.g2dState;
+ }
+
+
+ private Graphics2D getG2D() {
+ return getG2DState().getGraph();
+ }
+
+ public void drawBorderLine(int x1, int y1, int x2, int y2,
+ boolean horz, boolean startOrBefore, int style, Color color)
+ throws IOException {
+ float w = x2 - x1;
+ float h = y2 - y1;
+ if ((w < 0) || (h < 0)) {
+ log.error("Negative extent received. Border won't be painted.");
+ return;
+ }
+ switch (style) {
+ case Constants.EN_DASHED:
+ getG2D().setColor(color);
+ if (horz) {
+ float unit = Math.abs(2 * h);
+ int rep = (int)(w / unit);
+ if (rep % 2 == 0) {
+ rep++;
+ }
+ unit = w / rep;
+ float ym = y1 + (h / 2);
+ BasicStroke s = new BasicStroke(h, BasicStroke.CAP_BUTT,
+ BasicStroke.JOIN_MITER, 10.0f, new float[] {unit}, 0);
+ getG2D().setStroke(s);
+ getG2D().draw(new Line2D.Float(x1, ym, x2, ym));
+ } else {
+ float unit = Math.abs(2 * w);
+ int rep = (int)(h / unit);
+ if (rep % 2 == 0) {
+ rep++;
+ }
+ unit = h / rep;
+ float xm = x1 + (w / 2);
+ BasicStroke s = new BasicStroke(w, BasicStroke.CAP_BUTT,
+ BasicStroke.JOIN_MITER, 10.0f, new float[] {unit}, 0);
+ getG2D().setStroke(s);
+ getG2D().draw(new Line2D.Float(xm, y1, xm, y2));
+ }
+ break;
+ case Constants.EN_DOTTED:
+ getG2D().setColor(color);
+ if (horz) {
+ float unit = Math.abs(2 * h);
+ int rep = (int)(w / unit);
+ if (rep % 2 == 0) {
+ rep++;
+ }
+ unit = w / rep;
+ float ym = y1 + (h / 2);
+ BasicStroke s = new BasicStroke(h, BasicStroke.CAP_ROUND,
+ BasicStroke.JOIN_MITER, 10.0f, new float[] {0, unit}, 0);
+ getG2D().setStroke(s);
+ getG2D().draw(new Line2D.Float(x1, ym, x2, ym));
+ } else {
+ float unit = Math.abs(2 * w);
+ int rep = (int)(h / unit);
+ if (rep % 2 == 0) {
+ rep++;
+ }
+ unit = h / rep;
+ float xm = x1 + (w / 2);
+ BasicStroke s = new BasicStroke(w, BasicStroke.CAP_ROUND,
+ BasicStroke.JOIN_MITER, 10.0f, new float[] {0, unit}, 0);
+ getG2D().setStroke(s);
+ getG2D().draw(new Line2D.Float(xm, y1, xm, y2));
+ }
+ break;
+ case Constants.EN_DOUBLE:
+ getG2D().setColor(color);
+ if (horz) {
+ float h3 = h / 3;
+ float ym1 = y1 + (h3 / 2);
+ float ym2 = ym1 + h3 + h3;
+ BasicStroke s = new BasicStroke(h3);
+ getG2D().setStroke(s);
+ getG2D().draw(new Line2D.Float(x1, ym1, x2, ym1));
+ getG2D().draw(new Line2D.Float(x1, ym2, x2, ym2));
+ } else {
+ float w3 = w / 3;
+ float xm1 = x1 + (w3 / 2);
+ float xm2 = xm1 + w3 + w3;
+ BasicStroke s = new BasicStroke(w3);
+ getG2D().setStroke(s);
+ getG2D().draw(new Line2D.Float(xm1, y1, xm1, y2));
+ getG2D().draw(new Line2D.Float(xm2, y1, xm2, y2));
+ }
+ break;
+ case Constants.EN_GROOVE:
+ case Constants.EN_RIDGE:
+ float colFactor = (style == Constants.EN_GROOVE ? 0.4f : -0.4f);
+ if (horz) {
+ Color uppercol = ColorUtil.lightenColor(color, -colFactor);
+ Color lowercol = ColorUtil.lightenColor(color, colFactor);
+ float h3 = h / 3;
+ float ym1 = y1 + (h3 / 2);
+ getG2D().setStroke(new BasicStroke(h3));
+ getG2D().setColor(uppercol);
+ getG2D().draw(new Line2D.Float(x1, ym1, x2, ym1));
+ getG2D().setColor(color);
+ getG2D().draw(new Line2D.Float(x1, ym1 + h3, x2, ym1 + h3));
+ getG2D().setColor(lowercol);
+ getG2D().draw(new Line2D.Float(x1, ym1 + h3 + h3, x2, ym1 + h3 + h3));
+ } else {
+ Color leftcol = ColorUtil.lightenColor(color, -colFactor);
+ Color rightcol = ColorUtil.lightenColor(color, colFactor);
+ float w3 = w / 3;
+ float xm1 = x1 + (w3 / 2);
+ getG2D().setStroke(new BasicStroke(w3));
+ getG2D().setColor(leftcol);
+ getG2D().draw(new Line2D.Float(xm1, y1, xm1, y2));
+ getG2D().setColor(color);
+ getG2D().draw(new Line2D.Float(xm1 + w3, y1, xm1 + w3, y2));
+ getG2D().setColor(rightcol);
+ getG2D().draw(new Line2D.Float(xm1 + w3 + w3, y1, xm1 + w3 + w3, y2));
+ }
+ break;
+ case Constants.EN_INSET:
+ case Constants.EN_OUTSET:
+ colFactor = (style == Constants.EN_OUTSET ? 0.4f : -0.4f);
+ if (horz) {
+ color = ColorUtil.lightenColor(color, (startOrBefore ? 1 : -1) * colFactor);
+ getG2D().setStroke(new BasicStroke(h));
+ float ym1 = y1 + (h / 2);
+ getG2D().setColor(color);
+ getG2D().draw(new Line2D.Float(x1, ym1, x2, ym1));
+ } else {
+ color = ColorUtil.lightenColor(color, (startOrBefore ? 1 : -1) * colFactor);
+ float xm1 = x1 + (w / 2);
+ getG2D().setStroke(new BasicStroke(w));
+ getG2D().setColor(color);
+ getG2D().draw(new Line2D.Float(xm1, y1, xm1, y2));
+ }
+ break;
+ case Constants.EN_HIDDEN:
+ break;
+ default:
+ getG2D().setColor(color);
+ if (horz) {
+ float ym = y1 + (h / 2);
+ getG2D().setStroke(new BasicStroke(h));
+ getG2D().draw(new Line2D.Float(x1, ym, x2, ym));
+ } else {
+ float xm = x1 + (w / 2);
+ getG2D().setStroke(new BasicStroke(w));
+ getG2D().draw(new Line2D.Float(xm, y1, xm, y2));
+ }
+ }
+ }
+
+ public void drawLine(Point start, Point end, int width, Color color,
+ RuleStyle style) throws IOException {
+ if (start.y != end.y) {
+ //TODO Support arbitrary lines if necessary
+ throw new UnsupportedOperationException(
+ "Can only deal with horizontal lines right now");
+ }
+
+ saveGraphicsState();
+ int half = width / 2;
+ int starty = start.y - half;
+ Rectangle boundingRect = new Rectangle(start.x, start.y - half, end.x - start.x, width);
+ getG2DState().updateClip(boundingRect);
+
+ switch (style.getEnumValue()) {
+ case Constants.EN_SOLID:
+ case Constants.EN_DASHED:
+ case Constants.EN_DOUBLE:
+ drawBorderLine(start.x, start.y - half, end.x, end.y + half,
+ true, true, style.getEnumValue(), color);
+ break;
+ case Constants.EN_DOTTED:
+ int shift = half; //This shifts the dots to the right by half a dot's width
+ drawBorderLine(start.x + shift, start.y - half, end.x + shift, end.y + half,
+ true, true, style.getEnumValue(), color);
+ break;
+ case Constants.EN_GROOVE:
+ case Constants.EN_RIDGE:
+ getG2DState().updateColor(ColorUtil.lightenColor(color, 0.6f));
+ moveTo(start.x, starty);
+ lineTo(end.x, starty);
+ lineTo(end.x, starty + 2 * half);
+ lineTo(start.x, starty + 2 * half);
+ closePath();
+ getG2D().fill(currentPath);
+ currentPath = null;
+ getG2DState().updateColor(color);
+ if (style.getEnumValue() == Constants.EN_GROOVE) {
+ moveTo(start.x, starty);
+ lineTo(end.x, starty);
+ lineTo(end.x, starty + half);
+ lineTo(start.x + half, starty + half);
+ lineTo(start.x, starty + 2 * half);
+ } else {
+ moveTo(end.x, starty);
+ lineTo(end.x, starty + 2 * half);
+ lineTo(start.x, starty + 2 * half);
+ lineTo(start.x, starty + half);
+ lineTo(end.x - half, starty + half);
+ }
+ closePath();
+ getG2D().fill(currentPath);
+ currentPath = null;
+
+ case Constants.EN_NONE:
+ // No rule is drawn
+ break;
+ default:
+ } // end switch
+ restoreGraphicsState();
+ }
+
+ /** {@inheritDoc} */
+ public void moveTo(int x, int y) throws IOException {
+ if (currentPath == null) {
+ currentPath = new GeneralPath();
+ }
+ currentPath.moveTo(x, y);
+ }
+
+ /** {@inheritDoc} */
+ public void lineTo(int x, int y) throws IOException {
+ if (currentPath == null) {
+ currentPath = new GeneralPath();
+ }
+ currentPath.lineTo(x, y);
+ }
+
+ /** {@inheritDoc} */
+ public void arcTo(double startAngle, double endAngle, int cx, int cy,
+ int width, int height) throws IOException {
+ }
+
+ /** {@inheritDoc} */
+ public void rotateCoordinates(double angle) throws IOException {
+ }
+
+ /** {@inheritDoc} */
+ public void translateCoordinates(int xTranslate, int yTranslate)
+ throws IOException {
+ }
+
+ /** {@inheritDoc} */
+ public void scaleCoordinates(float xScale, float yScale)
+ throws IOException {
+ }
+
+ /** {@inheritDoc} */
+ public void closePath() throws IOException {
+ currentPath.closePath();
+ }
+
+ /** {@inheritDoc} */
+ public void clip() throws IOException {
+ if (currentPath == null) {
+ throw new IllegalStateException("No current path available!");
+ }
+ getG2DState().updateClip(currentPath);
+ currentPath = null;
+ }
+
+ /** {@inheritDoc} */
+ public void saveGraphicsState() throws IOException {
+ this.painter.saveGraphicsState();
+ }
+
+ /** {@inheritDoc} */
+ public void restoreGraphicsState() throws IOException {
+ this.painter.restoreGraphicsState();
+ this.currentPath = null;
+ }
+
+} \ No newline at end of file