AWTPlotRenderer.java
- /*
- * Copyright (C) 2010, Google Inc.
- * Copyright (C) 2008, Robin Rosenberg <robin.rosenberg@dewire.com>
- * Copyright (C) 2008, Shawn O. Pearce <spearce@spearce.org> and others
- *
- * This program and the accompanying materials are made available under the
- * terms of the Eclipse Distribution License v. 1.0 which is available at
- * https://www.eclipse.org/org/documents/edl-v10.php.
- *
- * SPDX-License-Identifier: BSD-3-Clause
- */
- package org.eclipse.jgit.awtui;
- import java.awt.Color;
- import java.awt.Graphics;
- import java.awt.Graphics2D;
- import java.awt.Polygon;
- import java.io.Serializable;
- import org.eclipse.jgit.awtui.CommitGraphPane.GraphCellRender;
- import org.eclipse.jgit.awtui.SwingCommitList.SwingLane;
- import org.eclipse.jgit.lib.Constants;
- import org.eclipse.jgit.lib.Ref;
- import org.eclipse.jgit.revplot.AbstractPlotRenderer;
- import org.eclipse.jgit.revplot.PlotCommit;
- final class AWTPlotRenderer extends AbstractPlotRenderer<SwingLane, Color>
- implements Serializable {
- private static final long serialVersionUID = 1L;
- final GraphCellRender cell;
- transient Graphics2D g;
- AWTPlotRenderer(GraphCellRender c) {
- cell = c;
- }
- void paint(Graphics in, PlotCommit<SwingLane> commit) {
- g = (Graphics2D) in.create();
- try {
- final int h = cell.getHeight();
- g.setColor(cell.getBackground());
- g.fillRect(0, 0, cell.getWidth(), h);
- if (commit != null)
- paintCommit(commit, h);
- } finally {
- g.dispose();
- g = null;
- }
- }
- /** {@inheritDoc} */
- @Override
- protected void drawLine(final Color color, int x1, int y1, int x2,
- int y2, int width) {
- if (y1 == y2) {
- x1 -= width / 2;
- x2 -= width / 2;
- } else if (x1 == x2) {
- y1 -= width / 2;
- y2 -= width / 2;
- }
- g.setColor(color);
- g.setStroke(CommitGraphPane.stroke(width));
- g.drawLine(x1, y1, x2, y2);
- }
- /** {@inheritDoc} */
- @Override
- protected void drawCommitDot(final int x, final int y, final int w,
- final int h) {
- g.setColor(Color.blue);
- g.setStroke(CommitGraphPane.strokeCache[1]);
- g.fillOval(x, y, w, h);
- g.setColor(Color.black);
- g.drawOval(x, y, w, h);
- }
- /** {@inheritDoc} */
- @Override
- protected void drawBoundaryDot(final int x, final int y, final int w,
- final int h) {
- g.setColor(cell.getBackground());
- g.setStroke(CommitGraphPane.strokeCache[1]);
- g.fillOval(x, y, w, h);
- g.setColor(Color.black);
- g.drawOval(x, y, w, h);
- }
- /** {@inheritDoc} */
- @Override
- protected void drawText(String msg, int x, int y) {
- final int texth = g.getFontMetrics().getHeight();
- final int y0 = (y - texth) / 2 + (cell.getHeight() - texth) / 2;
- g.setColor(cell.getForeground());
- g.drawString(msg, x, y0 + texth - g.getFontMetrics().getDescent());
- }
- /** {@inheritDoc} */
- @Override
- protected Color laneColor(SwingLane myLane) {
- return myLane != null ? myLane.color : Color.black;
- }
- void paintTriangleDown(int cx, int y, int h) {
- final int tipX = cx;
- final int tipY = y + h;
- final int baseX1 = cx - 10 / 2;
- final int baseX2 = tipX + 10 / 2;
- final int baseY = y;
- final Polygon triangle = new Polygon();
- triangle.addPoint(tipX, tipY);
- triangle.addPoint(baseX1, baseY);
- triangle.addPoint(baseX2, baseY);
- g.fillPolygon(triangle);
- g.drawPolygon(triangle);
- }
- /** {@inheritDoc} */
- @Override
- protected int drawLabel(int x, int y, Ref ref) {
- String txt;
- String name = ref.getName();
- if (name.startsWith(Constants.R_HEADS)) {
- g.setBackground(Color.GREEN);
- txt = name.substring(Constants.R_HEADS.length());
- } else if (name.startsWith(Constants.R_REMOTES)){
- g.setBackground(Color.LIGHT_GRAY);
- txt = name.substring(Constants.R_REMOTES.length());
- } else if (name.startsWith(Constants.R_TAGS)){
- g.setBackground(Color.YELLOW);
- txt = name.substring(Constants.R_TAGS.length());
- } else {
- // Whatever this would be
- g.setBackground(Color.WHITE);
- if (name.startsWith(Constants.R_REFS))
- txt = name.substring(Constants.R_REFS.length());
- else
- txt = name; // HEAD and such
- }
- if (ref.getPeeledObjectId() != null) {
- float[] colorComponents = g.getBackground().getRGBColorComponents(null);
- colorComponents[0] *= 0.9f;
- colorComponents[1] *= 0.9f;
- colorComponents[2] *= 0.9f;
- g.setBackground(new Color(colorComponents[0],colorComponents[1],colorComponents[2]));
- }
- if (txt.length() > 12)
- txt = txt.substring(0,11) + "\u2026"; // ellipsis "…" (in UTF-8) //$NON-NLS-1$
- final int texth = g.getFontMetrics().getHeight();
- int textw = g.getFontMetrics().stringWidth(txt);
- g.setColor(g.getBackground());
- int arcHeight = texth/4;
- int y0 = y - texth/2 + (cell.getHeight() - texth)/2;
- g.fillRoundRect(x , y0, textw + arcHeight*2, texth -1, arcHeight, arcHeight);
- g.setColor(g.getColor().darker());
- g.drawRoundRect(x, y0, textw + arcHeight*2, texth -1 , arcHeight, arcHeight);
- g.setColor(Color.BLACK);
- g.drawString(txt, x + arcHeight, y0 + texth - g.getFontMetrics().getDescent());
- return arcHeight * 3 + textw;
- }
- }