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/*-
* ============LICENSE_START=======================================================
* ONAP CLAMP
* ================================================================================
* Copyright (C) 2019 Nokia. All rights
* reserved.
* ================================================================================
* Licensed 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.
* ============LICENSE_END============================================
* Modifications copyright (c) 2019 AT&T.
* ===================================================================
*
*/
package org.onap.clamp.clds.util.drawing;
import java.awt.Color;
import java.awt.Font;
import java.awt.FontMetrics;
import java.awt.Graphics2D;
import java.awt.Point;
import java.awt.Rectangle;
public class AwtUtils {
private static final int ARROW_W = 4;
private static final int ARROW_H = 2;
private static final int FONT_SIZE = 12;
private static final int FONT_STYLE = Font.PLAIN;
private static final String FONT_FACE = "SansSerif";
private static final Color TRANSPARENT = new Color(0.0f, 0.0f, 0.0f, 0.0f);
static void rectWithText(Graphics2D g2d, String text, Point point, int width, int height) {
Rectangle rect = new Rectangle(point.x, point.y, width, height);
g2d.draw(rect);
Color oldColor = g2d.getColor();
g2d.setColor(TRANSPARENT);
g2d.fill(rect);
g2d.setColor(oldColor);
addText(g2d, text, point.x + width / 2, point.y + height / 2);
}
static void drawArrow(Graphics2D g2d, Point from, Point to, int lineThickness) {
int x2 = to.x - lineThickness;
g2d.drawLine(from.x, from.y, x2 - lineThickness, to.y);
g2d.drawPolygon(new int[]{x2 - ARROW_W, x2 - ARROW_W, x2}, new int[]{to.y - ARROW_H, to.y + ARROW_H, to.y}, 3);
g2d.fillPolygon(new int[]{x2 - ARROW_W, x2 - ARROW_W, x2}, new int[]{to.y - ARROW_H, to.y + ARROW_H, to.y}, 3);
}
private static void addText(Graphics2D g2d, String text, int abs, int ord) {
Font font = new Font(FONT_FACE, FONT_STYLE, FONT_SIZE);
g2d.setFont(font);
FontMetrics fm1 = g2d.getFontMetrics();
int w1 = fm1.stringWidth(text);
int x1 = abs - (w1 / 2);
g2d.setFont(font);
g2d.setColor(Color.BLACK);
g2d.drawString(text, x1, ord);
}
}
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