stroom.widget.htree.client.RoundedRectangle.java Source code

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Here is the source code for stroom.widget.htree.client.RoundedRectangle.java

Source

/*
 * Copyright 2016 Crown Copyright
 *
 * 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.
 */

package stroom.widget.htree.client;

import com.google.gwt.canvas.dom.client.Context2d;
import com.google.gwt.canvas.dom.client.FillStrokeStyle;

public class RoundedRectangle {
    public void draw(final Context2d ctx, final double x, final double y, final double width, final double height,
            final double radius, final FillStrokeStyle fill, final FillStrokeStyle stroke) {
        ctx.beginPath();
        ctx.moveTo(x + radius, y);
        ctx.lineTo(x + width - radius, y);
        ctx.quadraticCurveTo(x + width, y, x + width, y + radius);
        ctx.lineTo(x + width, y + height - radius);
        ctx.quadraticCurveTo(x + width, y + height, x + width - radius, y + height);
        ctx.lineTo(x + radius, y + height);
        ctx.quadraticCurveTo(x, y + height, x, y + height - radius);
        ctx.lineTo(x, y + radius);
        ctx.quadraticCurveTo(x, y, x + radius, y);
        ctx.closePath();

        if (fill != null) {
            ctx.setFillStyle(fill);
            ctx.fill();
        }

        if (stroke != null) {
            ctx.setStrokeStyle(stroke);
            ctx.stroke();
        }
    }
}