1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one or more
3 * contributor license agreements. See the NOTICE file distributed with
4 * this work for additional information regarding copyright ownership.
5 * The ASF licenses this file to You under the Apache License, Version 2.0
6 * (the "License"); you may not use this file except in compliance with
7 * the License. You may obtain a copy of the License at
8 *
9 * http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 */
17 package org.apache.commons.imaging.formats.bmp;
18
19 import java.awt.image.BufferedImage;
20 import java.io.ByteArrayOutputStream;
21 import java.io.IOException;
22
23 import org.apache.commons.imaging.common.AbstractBinaryOutputStream;
24
25 final class BmpWriterRgb implements BmpWriter {
26 // private final boolean alpha;
27 //
28 // public BmpWriterRgb(boolean alpha)
29 // {
30 // this.alpha = alpha;
31 // }
32
33 @Override
34 public int getBitsPerPixel() {
35 // return alpha ? 32 : 24;
36 return 24;
37 }
38
39 @Override
40 public byte[] getImageData(final BufferedImage src) {
41 final int width = src.getWidth();
42 final int height = src.getHeight();
43
44 final ByteArrayOutputStream baos = new ByteArrayOutputStream();
45 // BinaryOutputStream bos = new BinaryOutputStream(baos,
46 // BYTE_ORDER_Network);
47
48 int bytecount = 0;
49 for (int y = height - 1; y >= 0; y--) {
50 // for (int y = 0; y < height; y++)
51 for (int x = 0; x < width; x++) {
52 final int argb = src.getRGB(x, y);
53 final int rgb = 0xffffff & argb;
54
55 final int red = 0xff & rgb >> 16;
56 final int green = 0xff & rgb >> 8;
57 final int blue = 0xff & rgb >> 0;
58
59 baos.write(blue);
60 baos.write(green);
61 baos.write(red);
62 bytecount += 3;
63 }
64 while (bytecount % 4 != 0) {
65 baos.write(0);
66 bytecount++;
67 }
68 }
69
70 return baos.toByteArray();
71 }
72
73 @Override
74 public int getPaletteSize() {
75 return 0;
76 }
77
78 @Override
79 public void writePalette(final AbstractBinaryOutputStream bos) throws IOException {
80 // no palette
81 }
82 }