From: Rüdiger Herrmann Date: Thu, 13 Mar 2014 10:30:20 +0000 (+0100) Subject: Fix text alignment in history plot renderer X-Git-Tag: v3.4.0.201405051725-m7~48^2 X-Git-Url: https://source.dussan.org/?a=commitdiff_plain;h=refs%2Fchanges%2F14%2F23314%2F2;p=jgit.git Fix text alignment in history plot renderer When more than one lane is drawn, some commits are vertically misaligned (off by two pixels). This change fixes the alignment. Bug: 426047 Change-Id: Icbe7ce9f5a6b281b2aaab66e4d76dfc1010b2fb5 Signed-off-by: Konrad Kügler Signed-off-by: Rüdiger Herrmann Signed-off-by: Matthias Sohn --- diff --git a/org.eclipse.jgit.test/tst/org/eclipse/jgit/revplot/AbstractPlotRendererTest.java b/org.eclipse.jgit.test/tst/org/eclipse/jgit/revplot/AbstractPlotRendererTest.java new file mode 100644 index 0000000000..d32172ae09 --- /dev/null +++ b/org.eclipse.jgit.test/tst/org/eclipse/jgit/revplot/AbstractPlotRendererTest.java @@ -0,0 +1,153 @@ +/* + * Copyright (C) 2014 Rüdiger Herrmann + * and other copyright owners as documented in the project's IP log. + * + * This program and the accompanying materials are made available + * under the terms of the Eclipse Distribution License v1.0 which + * accompanies this distribution, is reproduced below, and is + * available at http://www.eclipse.org/org/documents/edl-v10.php + * + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or + * without modification, are permitted provided that the following + * conditions are met: + * + * - Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * - Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and/or other materials provided + * with the distribution. + * + * - Neither the name of the Eclipse Foundation, Inc. nor the + * names of its contributors may be used to endorse or promote + * products derived from this software without specific prior + * written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND + * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, + * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER + * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF + * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ +package org.eclipse.jgit.revplot; + +import static org.junit.Assert.assertEquals; + +import java.io.IOException; +import java.util.LinkedList; +import java.util.List; + +import org.eclipse.jgit.api.Git; +import org.eclipse.jgit.api.MergeCommand.FastForwardMode; +import org.eclipse.jgit.api.MergeResult; +import org.eclipse.jgit.api.errors.GitAPIException; +import org.eclipse.jgit.junit.RepositoryTestCase; +import org.eclipse.jgit.lib.ObjectId; +import org.eclipse.jgit.lib.Ref; +import org.eclipse.jgit.lib.Repository; +import org.junit.Before; +import org.junit.Test; + +public class AbstractPlotRendererTest extends RepositoryTestCase { + + private Git git; + private TestPlotRenderer plotRenderer; + + @Override + @Before + public void setUp() throws Exception { + super.setUp(); + git = new Git(db); + plotRenderer = new TestPlotRenderer(); + } + + @Test + public void testDrawTextAlignment() throws Exception { + git.commit().setMessage("initial commit").call(); + git.branchCreate().setName("topic").call(); + git.checkout().setName("topic").call(); + git.commit().setMessage("commit 1 on topic").call(); + git.commit().setMessage("commit 2 on topic").call(); + git.checkout().setName("master").call(); + git.commit().setMessage("commit on master").call(); + MergeResult mergeCall = merge(db.resolve("topic")); + ObjectId start = mergeCall.getNewHead(); + PlotCommitList commitList = createCommitList(start); + + for (int i = 0; i < commitList.size(); i++) + plotRenderer.paintCommit(commitList.get(i), 30); + + List indentations = plotRenderer.indentations; + assertEquals(indentations.get(2), indentations.get(3)); + } + + private PlotCommitList createCommitList(ObjectId start) + throws IOException { + TestPlotWalk walk = new TestPlotWalk(db); + walk.markStart(walk.parseCommit(start)); + PlotCommitList commitList = new PlotCommitList(); + commitList.source(walk); + commitList.fillTo(1000); + return commitList; + } + + private MergeResult merge(ObjectId includeId) throws GitAPIException { + return git.merge().setFastForward(FastForwardMode.NO_FF) + .include(includeId).call(); + } + + private static class TestPlotWalk extends PlotWalk { + public TestPlotWalk(Repository repo) { + super(repo); + } + } + + private static class TestPlotRenderer extends + AbstractPlotRenderer { + + List indentations = new LinkedList(); + + @Override + protected int drawLabel(int x, int y, Ref ref) { + return 0; + } + + @Override + protected Object laneColor(PlotLane myLane) { + return null; + } + + @Override + protected void drawLine(Object color, int x1, int y1, int x2, int y2, + int width) { + // do nothing + } + + @Override + protected void drawCommitDot(int x, int y, int w, int h) { + // do nothing + } + + @Override + protected void drawBoundaryDot(int x, int y, int w, int h) { + // do nothing + } + + @Override + protected void drawText(String msg, int x, int y) { + indentations.add(Integer.valueOf(x)); + } + } + +} diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/revplot/AbstractPlotRenderer.java b/org.eclipse.jgit/src/org/eclipse/jgit/revplot/AbstractPlotRenderer.java index a641dee545..f076ea0867 100644 --- a/org.eclipse.jgit/src/org/eclipse/jgit/revplot/AbstractPlotRenderer.java +++ b/org.eclipse.jgit/src/org/eclipse/jgit/revplot/AbstractPlotRenderer.java @@ -97,7 +97,7 @@ public abstract class AbstractPlotRenderer { final int myLaneX = laneC(myLane); final TColor myColor = laneColor(myLane); - int maxCenter = 0; + int maxCenter = myLaneX; for (final TLane passingLane : (TLane[]) commit.passingLanes) { final int cx = laneC(passingLane); final TColor c = laneColor(passingLane); @@ -154,7 +154,7 @@ public abstract class AbstractPlotRenderer { } final String msg = commit.getShortMessage(); - drawText(msg, textx + dotSize + n*2, h / 2); + drawText(msg, textx + dotSize, h / 2); } /**