/
ExampleRenderQrCode.java
66 lines (56 loc) · 2.51 KB
/
ExampleRenderQrCode.java
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
/*
* Copyright (c) 2011-2018, Peter Abeles. All Rights Reserved.
*
* This file is part of BoofCV (http://boofcv.org).
*
* 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 boofcv.examples.fiducial;
import boofcv.alg.fiducial.qrcode.QrCode;
import boofcv.alg.fiducial.qrcode.QrCodeEncoder;
import boofcv.alg.fiducial.qrcode.QrCodeGeneratorImage;
import boofcv.gui.image.ShowImages;
import boofcv.io.image.ConvertBufferedImage;
import java.awt.image.BufferedImage;
/**
* A simple API is provided for creating your own QR Codes. Used extensively in BoofCV for testing purposes.
* It's also easy to extending the rendering tools to support other file formats.
*
* @see boofcv.alg.fiducial.qrcode.QrCodeGenerator
*
* @author Peter Abeles
*/
public class ExampleRenderQrCode
{
public static void main(String[] args) {
// Uses a flow pattern to specify the QR Code. You can control all aspects of the QR
// like specifying the version, mask, and message types or let it select all of that for you.
QrCode qr = new QrCodeEncoder().
setError(QrCode.ErrorLevel.M).
addAutomatic("This is a Test ん鞠").fixate();
// NOTE: The final function you call must be fixate() that's how it knows its done
// QrCodeGenerator is the base class with all the logic and the children tell it how to
// write in a specific format. QrCodeGeneratorImage is included with BoofCV and is used
// to creates images
QrCodeGeneratorImage render = new QrCodeGeneratorImage(20);
render.render(qr);
// Convert it to a BufferedImage for display purposes
BufferedImage image = ConvertBufferedImage.convertTo(render.getGray(),null);
ShowImages.showWindow(image,"Rendered QR Code", true);
// You can also save it to disk by uncommenting the line below
// UtilImageIO.saveImage(image,"qrcode.png");
// WARNING! This rendered image lacks the white border which is required to be a compliant
// QR Code. As of this writing BoofCV's implementation might not be able to handle
// this image unless you add a white border.
}
}