| 1 | /* |
| 2 | * $Id: BITMAPFILEHEADER.java,v 1.1.1.5 2004/05/25 20:23:20 hastings Exp $ |
| 3 | * |
| 4 | * (c) Copyright, Moebius Solutions, Inc., 2004 |
| 5 | * |
| 6 | * All Rights Reserved |
| 7 | * |
| 8 | * This material may be reproduced by or for the U. S. Government |
| 9 | * pursuant to the copyright license under the clause at |
| 10 | * DFARS 252.227-7014 (OCT 2001). |
| 11 | */ |
| 12 | |
| 13 | package com.moesol.bindings.platform_sdk.windows_api; |
| 14 | |
| 15 | import java.awt.image.BufferedImage; |
| 16 | import java.io.IOException; |
| 17 | import java.io.OutputStream; |
| 18 | import java.nio.ByteBuffer; |
| 19 | import java.nio.ByteOrder; |
| 20 | |
| 21 | import com.moesol.bindings.NativeStructure; |
| 22 | |
| 23 | /** |
| 24 | * @author Robert Hastings |
| 25 | */ |
| 26 | public class BITMAPFILEHEADER extends NativeStructure { |
| 27 | // BEGIN_KEEP |
| 28 | public static final short BM = (short)('B' | ('M' << 8)); |
| 29 | /** |
| 30 | * Write a 32 bit bmp file. This method does not close the |
| 31 | * output stream <code>os</code> so that it is possible to |
| 32 | * write multiple images into the stream. |
| 33 | * |
| 34 | * @param buffered_image |
| 35 | * @param os |
| 36 | */ |
| 37 | public static void writeBmp(BufferedImage buffered_image, OutputStream os) |
| 38 | throws IOException |
| 39 | { |
| 40 | int width = buffered_image.getWidth(); |
| 41 | int height = buffered_image.getHeight(); |
| 42 | int pixels[] = buffered_image.getRGB(0, 0, width, height, null, 0, width); |
| 43 | |
| 44 | BITMAPFILEHEADER bmp = new BITMAPFILEHEADER(); |
| 45 | bmp.set_bfType(BITMAPFILEHEADER.BM); |
| 46 | bmp.set_bfOffBits(BITMAPFILEHEADER.sizeof() + BITMAPINFOHEADER.sizeof()); |
| 47 | bmp.set_bfSize(BITMAPFILEHEADER.sizeof() + BITMAPINFOHEADER.sizeof() + 4*pixels.length); |
| 48 | |
| 49 | BITMAPINFOHEADER bih = new BITMAPINFOHEADER(); |
| 50 | bih.set_biSize(BITMAPINFOHEADER.sizeof()); |
| 51 | bih.set_biWidth(width); |
| 52 | bih.set_biHeight(height); |
| 53 | bih.set_biPlanes((short)1); |
| 54 | bih.set_biBitCount((short)32); |
| 55 | bih.set_biCompression(BITMAPINFOHEADER.BI_RGB); |
| 56 | bih.set_biSizeImage(0); |
| 57 | bih.set_biClrUsed(0); |
| 58 | bih.set_biClrImportant(0); |
| 59 | |
| 60 | os.write(bmp._getStructureBytes()); |
| 61 | os.write(bih._getStructureBytes()); |
| 62 | |
| 63 | ByteBuffer bb = ByteBuffer.allocate(4); |
| 64 | bb.order(ByteOrder.LITTLE_ENDIAN); |
| 65 | |
| 66 | for (int row=height-1; row >= 0; row--) { |
| 67 | for (int col=0; col < width; col++) { |
| 68 | bb.putInt(0, pixels[row*width+col]); |
| 69 | os.write(bb.array()); |
| 70 | } |
| 71 | } |
| 72 | } |
| 73 | // END_KEEP |
| 74 | |
| 75 | public BITMAPFILEHEADER() { |
| 76 | super( new byte[sizeof()] ); |
| 77 | } |
| 78 | public static int sizeof() { |
| 79 | return 14; |
| 80 | } |
| 81 | public void set_bfType(short v) { |
| 82 | putShort(0, v); |
| 83 | } |
| 84 | public short get_bfType() { |
| 85 | return getShort(0); |
| 86 | } |
| 87 | public void set_bfSize(int v) { |
| 88 | putInt(2, v); |
| 89 | } |
| 90 | public int get_bfSize() { |
| 91 | return getInt(2); |
| 92 | } |
| 93 | public void set_bfReserved1(short v) { |
| 94 | putShort(6, v); |
| 95 | } |
| 96 | public short get_bfReserved1() { |
| 97 | return getShort(6); |
| 98 | } |
| 99 | public void set_bfReserved2(short v) { |
| 100 | putShort(8, v); |
| 101 | } |
| 102 | public short get_bfReserved2() { |
| 103 | return getShort(8); |
| 104 | } |
| 105 | public void set_bfOffBits(int v) { |
| 106 | putInt(10, v); |
| 107 | } |
| 108 | public int get_bfOffBits() { |
| 109 | return getInt(10); |
| 110 | } |
| 111 | } |