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annotate org.eclipse.swt.win32.win32.x86/src/org/eclipse/swt/internal/image/TIFFDirectory.d @ 0:6dd524f61e62

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add dwt win and basic java stuff
author Frank Benoit <benoit@tionex.de>
date Mon, 02 Mar 2009 14:44:16 +0100
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1 /*******************************************************************************
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2 * Copyright (c) 2000, 2005 IBM Corporation and others.
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3 * All rights reserved. This program and the accompanying materials
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4 * are made available under the terms of the Eclipse Public License v1.0
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5 * which accompanies this distribution, and is available at
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6 * http://www.eclipse.org/legal/epl-v10.html
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7 *
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8 * Contributors:
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9 * IBM Corporation - initial API and implementation
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10 * Port to the D programming language:
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11 * Frank Benoit <benoit@tionex.de>
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12 *******************************************************************************/
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13 module org.eclipse.swt.internal.image.TIFFDirectory;
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14
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15 import org.eclipse.swt.internal.image.TIFFRandomFileAccess;
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16 import org.eclipse.swt.internal.image.TIFFModifiedHuffmanCodec;
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17 import org.eclipse.swt.internal.image.LEDataOutputStream;
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18 import org.eclipse.swt.graphics.ImageData;
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19 import org.eclipse.swt.graphics.ImageLoaderEvent;
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20 import org.eclipse.swt.graphics.ImageLoader;
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21 import org.eclipse.swt.graphics.PaletteData;
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22 import org.eclipse.swt.graphics.RGB;
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23 import org.eclipse.swt.SWT;
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24 import java.lang.all;
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25
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26 final class TIFFDirectory {
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27
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28 TIFFRandomFileAccess file;
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29 bool isLittleEndian;
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30 ImageLoader loader;
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31 int depth;
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32
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33 /* Directory fields */
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34 int imageWidth;
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35 int imageLength;
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36 int[] bitsPerSample;
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37 int compression;
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38 int photometricInterpretation;
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39 int[] stripOffsets;
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40 int samplesPerPixel;
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41 int rowsPerStrip;
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42 int[] stripByteCounts;
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43 int t4Options;
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44 int colorMapOffset;
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45
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46 /* Encoder fields */
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47 ImageData image;
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48 LEDataOutputStream ostr;
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49
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50 static const int NO_VALUE = -1;
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51
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52 static const short TAG_ImageWidth = 256;
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53 static const short TAG_ImageLength = 257;
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54 static const short TAG_BitsPerSample = 258;
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55 static const short TAG_Compression = 259;
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56 static const short TAG_PhotometricInterpretation = 262;
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57 static const short TAG_StripOffsets = 273;
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58 static const short TAG_SamplesPerPixel = 277;
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59 static const short TAG_RowsPerStrip = 278;
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60 static const short TAG_StripByteCounts = 279;
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61 static const short TAG_XResolution = 282;
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62 static const short TAG_YResolution = 283;
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63 static const short TAG_T4Options = 292;
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64 static const short TAG_ResolutionUnit = 296;
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65 static const short TAG_ColorMap = 320;
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66
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67 static const int TYPE_BYTE = 1;
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68 static const int TYPE_ASCII = 2;
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69 static const int TYPE_SHORT = 3;
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70 static const int TYPE_LONG = 4;
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71 static const int TYPE_RATIONAL = 5;
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72
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73 /* Different compression schemes */
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74 static const int COMPRESSION_NONE = 1;
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75 static const int COMPRESSION_CCITT_3_1 = 2;
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76 static const int COMPRESSION_PACKBITS = 32773;
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77
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78 static const int IFD_ENTRY_SIZE = 12;
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79
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80 public this(TIFFRandomFileAccess file, bool isLittleEndian, ImageLoader loader) {
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81 this.file = file;
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82 this.isLittleEndian = isLittleEndian;
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83 this.loader = loader;
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84 }
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85
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86 public this(ImageData image) {
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87 this.image = image;
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88 }
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89
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90 /* PackBits decoder */
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91 int decodePackBits(byte[] src, byte[] dest, int offsetDest) {
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92 int destIndex = offsetDest;
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93 int srcIndex = 0;
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94 while (srcIndex < src.length) {
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95 byte n = src[srcIndex];
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96 if (0 <= n && n <= 127) {
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97 /* Copy next n+1 bytes literally */
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98 System.arraycopy(src, ++srcIndex, dest, destIndex, n + 1);
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99 srcIndex += n + 1;
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100 destIndex += n + 1;
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101 } else if (-127 <= n && n <= -1) {
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102 /* Copy next byte -n+1 times */
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103 byte value = src[++srcIndex];
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104 for (int j = 0; j < -n + 1; j++) {
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105 dest[destIndex++] = value;
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106 }
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107 srcIndex++;
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108 } else {
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109 /* Noop when n is -128 */
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110 srcIndex++;
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111 }
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112 }
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113 /* Number of bytes copied */
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114 return destIndex - offsetDest;
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115 }
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116
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117 int getEntryValue(int type, byte[] buffer, int index) {
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118 return toInt(buffer, index + 8, type);
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119 }
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120
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121 void getEntryValue(int type, byte[] buffer, int index, int[] values) {
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122 int start = index + 8;
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123 int size;
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124 int offset = toInt(buffer, start, TYPE_LONG);
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125 switch (type) {
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126 case TYPE_SHORT: size = 2; break;
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127 case TYPE_LONG: size = 4; break;
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128 case TYPE_RATIONAL: size = 8; break;
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129 case TYPE_ASCII:
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130 case TYPE_BYTE: size = 1; break;
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131 default: SWT.error(SWT.ERROR_UNSUPPORTED_FORMAT); return;
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132 }
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133 if (values.length * size > 4) {
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134 buffer = new byte[values.length * size];
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135 file.seek(offset);
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136 file.read(buffer);
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137 start = 0;
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138 }
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139 for (int i = 0; i < values.length; i++) {
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140 values[i] = toInt(buffer, start + i * size, type);
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141 }
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142 }
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143
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144 void decodePixels(ImageData image) {
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145 /* Each row is byte aligned */
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146 byte[] imageData = new byte[(imageWidth * depth + 7) / 8 * imageLength];
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147 image.data = imageData;
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148 int destIndex = 0;
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149 int length = stripOffsets.length;
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150 for (int i = 0; i < length; i++) {
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151 /* Read a strip */
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152 byte[] data = new byte[](stripByteCounts[i]);
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153 file.seek(stripOffsets[i]);
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154 file.read(data);
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155 if (compression is COMPRESSION_NONE) {
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156 System.arraycopy(data, 0, imageData, destIndex, data.length);
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157 destIndex += data.length;
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
158 } else if (compression is COMPRESSION_PACKBITS) {
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
159 destIndex += decodePackBits(data, imageData, destIndex);
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parents:
diff changeset
160 } else if (compression is COMPRESSION_CCITT_3_1 || compression is 3) {
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
161 TIFFModifiedHuffmanCodec codec = new TIFFModifiedHuffmanCodec();
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
162 int nRows = rowsPerStrip;
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
163 if (i is length -1) {
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
164 int n = imageLength % rowsPerStrip;
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
165 if (n !is 0) nRows = n;
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
166 }
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
167 destIndex += codec.decode(data, imageData, destIndex, imageWidth, nRows);
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
168 }
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
169 if (loader.hasListeners()) {
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
170 loader.notifyListeners(new ImageLoaderEvent(loader, image, i, i is length - 1));
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
171 }
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
172 }
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
173 }
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
174
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
175 PaletteData getColorMap() {
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
176 int numColors = 1 << bitsPerSample[0];
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
177 /* R, G, B entries are 16 bit wide (2 bytes) */
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
178 int numBytes = 3 * 2 * numColors;
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
179 byte[] buffer = new byte[numBytes];
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
180 file.seek(colorMapOffset);
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
181 file.read(buffer);
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
182 RGB[] colors = new RGB[numColors];
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
183 /**
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
184 * SWT does not support 16-bit depth color formats.
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
185 * Convert the 16-bit data to 8-bit data.
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
186 * The correct way to do this is to multiply each
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
187 * 16 bit value by the value:
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
188 * (2^8 - 1) / (2^16 - 1).
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189 * The fast way to do this is just to drop the low
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parents:
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190 * byte of the 16-bit value.
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diff changeset
191 */
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
192 int offset = isLittleEndian ? 1 : 0;
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Frank Benoit <benoit@tionex.de>
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193 int startG = 2 * numColors;
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Frank Benoit <benoit@tionex.de>
parents:
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194 int startB = startG + 2 * numColors;
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diff changeset
195 for (int i = 0; i < numColors; i++) {
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diff changeset
196 int r = buffer[offset] & 0xFF;
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parents:
diff changeset
197 int g = buffer[startG + offset] & 0xFF;
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parents:
diff changeset
198 int b = buffer[startB + offset] & 0xFF;
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diff changeset
199 colors[i] = new RGB(r, g, b);
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parents:
diff changeset
200 offset += 2;
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
201 }
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
202 return new PaletteData(colors);
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parents:
diff changeset
203 }
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
204
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
205 PaletteData getGrayPalette() {
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
206 int numColors = 1 << bitsPerSample[0];
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
207 RGB[] rgbs = new RGB[numColors];
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parents:
diff changeset
208 for (int i = 0; i < numColors; i++) {
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
209 int value = i * 0xFF / (numColors - 1);
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
210 if (photometricInterpretation is 0) value = 0xFF - value;
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
211 rgbs[i] = new RGB(value, value, value);
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
212 }
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
213 return new PaletteData(rgbs);
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
214 }
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
215
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
216 PaletteData getRGBPalette(int bitsR, int bitsG, int bitsB) {
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
217 int blueMask = 0;
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
218 for (int i = 0; i < bitsB; i++) {
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
219 blueMask |= 1 << i;
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
220 }
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
221 int greenMask = 0;
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
222 for (int i = bitsB; i < bitsB + bitsG; i++) {
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
223 greenMask |= 1 << i;
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
224 }
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
225 int redMask = 0;
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
226 for (int i = bitsB + bitsG; i < bitsB + bitsG + bitsR; i++) {
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
227 redMask |= 1 << i;
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
228 }
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
229 return new PaletteData(redMask, greenMask, blueMask);
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
230 }
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
231
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
232 int formatStrips(int rowByteSize, int nbrRows, byte[] data, int maxStripByteSize, int offsetPostIFD, int extraBytes, int[][] strips) {
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
233 /*
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
234 * Calculate the nbr of required strips given the following requirements:
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
235 * - each strip should, if possible, not be greater than maxStripByteSize
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
236 * - each strip should contain 1 or more entire rows
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
237 *
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
238 * Format the strip fields arrays so that the image data is stored in one
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
239 * contiguous block. This block is stored after the IFD and after any tag
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
240 * info described in the IFD.
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
241 */
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
242 int n, nbrRowsPerStrip;
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
243 if (rowByteSize > maxStripByteSize) {
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
244 /* Each strip contains 1 row */
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
245 n = data.length / rowByteSize;
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
246 nbrRowsPerStrip = 1;
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
247 } else {
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
248 int nbr = (data.length + maxStripByteSize - 1) / maxStripByteSize;
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
249 nbrRowsPerStrip = nbrRows / nbr;
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
250 n = (nbrRows + nbrRowsPerStrip - 1) / nbrRowsPerStrip;
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
251 }
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
252 int stripByteSize = rowByteSize * nbrRowsPerStrip;
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
253
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
254 int[] offsets = new int[n];
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
255 int[] counts = new int[n];
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
256 /*
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
257 * Nbr of bytes between the end of the IFD directory and the start of
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
258 * the image data. Keep space for at least the offsets and counts
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
259 * data, each field being TYPE_LONG (4 bytes). If other tags require
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
260 * space between the IFD and the image block, use the extraBytes
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
261 * parameter.
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
262 * If there is only one strip, the offsets and counts data is stored
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
263 * directly in the IFD and we need not reserve space for it.
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
264 */
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
265 int postIFDData = n is 1 ? 0 : n * 2 * 4;
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
266 int startOffset = offsetPostIFD + extraBytes + postIFDData; /* offset of image data */
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
267
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
268 int offset = startOffset;
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
269 for (int i = 0; i < n; i++) {
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
270 /*
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
271 * Store all strips sequentially to allow us
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
272 * to copy all pixels in one contiguous area.
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
273 */
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
274 offsets[i] = offset;
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
275 counts[i] = stripByteSize;
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
276 offset += stripByteSize;
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
277 }
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
278 /* The last strip may contain fewer rows */
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
279 int mod = data.length % stripByteSize;
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
280 if (mod !is 0) counts[counts.length - 1] = mod;
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
281
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
282 strips[0] = offsets;
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
283 strips[1] = counts;
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
284 return nbrRowsPerStrip;
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
285 }
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
286
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
287 int[] formatColorMap(RGB[] rgbs) {
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
288 /*
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
289 * In a TIFF ColorMap, all red come first, followed by
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
290 * green and blue. All values must be converted from
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
291 * 8 bit to 16 bit.
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
292 */
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
293 int[] colorMap = new int[rgbs.length * 3];
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
294 int offsetGreen = rgbs.length;
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
295 int offsetBlue = rgbs.length * 2;
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
296 for (int i = 0; i < rgbs.length; i++) {
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
297 colorMap[i] = rgbs[i].red << 8 | rgbs[i].red;
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
298 colorMap[i + offsetGreen] = rgbs[i].green << 8 | rgbs[i].green;
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
299 colorMap[i + offsetBlue] = rgbs[i].blue << 8 | rgbs[i].blue;
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
300 }
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
301 return colorMap;
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
302 }
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
303
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
304 void parseEntries(byte[] buffer) {
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
305 for (int offset = 0; offset < buffer.length; offset += IFD_ENTRY_SIZE) {
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
306 int tag = toInt(buffer, offset, TYPE_SHORT);
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
307 int type = toInt(buffer, offset + 2, TYPE_SHORT);
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
308 int count = toInt(buffer, offset + 4, TYPE_LONG);
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
309 switch (tag) {
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
310 case TAG_ImageWidth: {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
311 imageWidth = getEntryValue(type, buffer, offset);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
312 break;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
313 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
314 case TAG_ImageLength: {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
315 imageLength = getEntryValue(type, buffer, offset);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
316 break;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
317 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
318 case TAG_BitsPerSample: {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
319 if (type !is TYPE_SHORT) SWT.error(SWT.ERROR_INVALID_IMAGE);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
320 bitsPerSample = new int[count];
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
321 getEntryValue(type, buffer, offset, bitsPerSample);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
322 break;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
323 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
324 case TAG_Compression: {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
325 compression = getEntryValue(type, buffer, offset);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
326 break;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
327 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
328 case TAG_PhotometricInterpretation: {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
329 photometricInterpretation = getEntryValue(type, buffer, offset);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
330 break;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
331 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
332 case TAG_StripOffsets: {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
333 if (type !is TYPE_LONG && type !is TYPE_SHORT) SWT.error(SWT.ERROR_INVALID_IMAGE);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
334 stripOffsets = new int[count];
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
335 getEntryValue(type, buffer, offset, stripOffsets);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
336 break;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
337 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
338 case TAG_SamplesPerPixel: {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
339 if (type !is TYPE_SHORT) SWT.error(SWT.ERROR_INVALID_IMAGE);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
340 samplesPerPixel = getEntryValue(type, buffer, offset);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
341 /* Only the basic 1 and 3 values are supported */
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
342 if (samplesPerPixel !is 1 && samplesPerPixel !is 3) SWT.error(SWT.ERROR_UNSUPPORTED_DEPTH);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
343 break;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
344 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
345 case TAG_RowsPerStrip: {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
346 rowsPerStrip = getEntryValue(type, buffer, offset);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
347 break;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
348 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
349 case TAG_StripByteCounts: {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
350 stripByteCounts = new int[count];
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
351 getEntryValue(type, buffer, offset, stripByteCounts);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
352 break;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
353 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
354 case TAG_XResolution: {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
355 /* Ignored */
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
356 break;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
357 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
358 case TAG_YResolution: {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
359 /* Ignored */
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
360 break;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
361 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
362 case TAG_T4Options: {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
363 if (type !is TYPE_LONG) SWT.error(SWT.ERROR_INVALID_IMAGE);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
364 t4Options = getEntryValue(type, buffer, offset);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
365 if ((t4Options & 0x1) is 1) {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
366 /* 2-dimensional coding is not supported */
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
367 SWT.error(SWT.ERROR_UNSUPPORTED_FORMAT);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
368 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
369 break;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
370 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
371 case TAG_ResolutionUnit: {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
372 /* Ignored */
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
373 break;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
374 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
375 case TAG_ColorMap: {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
376 if (type !is TYPE_SHORT) SWT.error(SWT.ERROR_INVALID_IMAGE);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
377 /* Get the offset of the colorMap (use TYPE_LONG) */
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
378 colorMapOffset = getEntryValue(TYPE_LONG, buffer, offset);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
379 break;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
380 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
381 default:
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
382 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
383 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
384 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
385
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
386 public ImageData read() {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
387 /* Set TIFF default values */
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
388 bitsPerSample = [1];
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
389 colorMapOffset = NO_VALUE;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
390 compression = 1;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
391 imageLength = NO_VALUE;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
392 imageWidth = NO_VALUE;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
393 photometricInterpretation = NO_VALUE;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
394 rowsPerStrip = Integer.MAX_VALUE;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
395 samplesPerPixel = 1;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
396 stripByteCounts = null;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
397 stripOffsets = null;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
398
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
399 byte[] buffer = new byte[2];
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
400 file.read(buffer);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
401 int numberEntries = toInt(buffer, 0, TYPE_SHORT);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
402 buffer = new byte[IFD_ENTRY_SIZE * numberEntries];
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
403 file.read(buffer);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
404 parseEntries(buffer);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
405
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
406 PaletteData palette = null;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
407 depth = 0;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
408 switch (photometricInterpretation) {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
409 case 0:
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
410 case 1: {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
411 /* Bilevel or Grayscale image */
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
412 palette = getGrayPalette();
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
413 depth = bitsPerSample[0];
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
414 break;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
415 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
416 case 2: {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
417 /* RGB image */
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
418 if (colorMapOffset !is NO_VALUE) SWT.error(SWT.ERROR_INVALID_IMAGE);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
419 /* SamplesPerPixel 3 is the only value supported */
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
420 palette = getRGBPalette(bitsPerSample[0], bitsPerSample[1], bitsPerSample[2]);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
421 depth = bitsPerSample[0] + bitsPerSample[1] + bitsPerSample[2];
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
422 break;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
423 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
424 case 3: {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
425 /* Palette Color image */
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
426 if (colorMapOffset is NO_VALUE) SWT.error(SWT.ERROR_INVALID_IMAGE);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
427 palette = getColorMap();
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
428 depth = bitsPerSample[0];
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
429 break;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
430 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
431 default: {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
432 SWT.error(SWT.ERROR_INVALID_IMAGE);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
433 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
434 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
435
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
436 ImageData image = ImageData.internal_new(
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
437 imageWidth,
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
438 imageLength,
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
439 depth,
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
440 palette,
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
441 1,
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
442 null,
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
443 0,
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
444 null,
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
445 null,
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
446 -1,
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
447 -1,
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
448 SWT.IMAGE_TIFF,
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
449 0,
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
450 0,
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
451 0,
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
452 0);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
453 decodePixels(image);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
454 return image;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
455 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
456
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
457 int toInt(byte[] buffer, int i, int type) {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
458 if (type is TYPE_LONG) {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
459 return isLittleEndian ?
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
460 (buffer[i] & 0xFF) | ((buffer[i + 1] & 0xFF) << 8) | ((buffer[i + 2] & 0xFF) << 16) | ((buffer[i + 3] & 0xFF) << 24) :
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
461 (buffer[i + 3] & 0xFF) | ((buffer[i + 2] & 0xFF) << 8) | ((buffer[i + 1] & 0xFF) << 16) | ((buffer[i] & 0xFF) << 24);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
462 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
463 if (type is TYPE_SHORT) {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
464 return isLittleEndian ?
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
465 (buffer[i] & 0xFF) | ((buffer[i + 1] & 0xFF) << 8) :
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
466 (buffer[i + 1] & 0xFF) | ((buffer[i] & 0xFF) << 8);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
467 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
468 /* Invalid type */
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
469 SWT.error(SWT.ERROR_INVALID_IMAGE);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
470 return -1;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
471 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
472
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
473 void write(int photometricInterpretation) {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
474 bool isRGB = photometricInterpretation is 2;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
475 bool isColorMap = photometricInterpretation is 3;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
476 bool isBiLevel = photometricInterpretation is 0 || photometricInterpretation is 1;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
477
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
478 int imageWidth = image.width;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
479 int imageLength = image.height;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
480 int rowByteSize = image.bytesPerLine;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
481
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
482 int numberEntries = isBiLevel ? 9 : 11;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
483 int lengthDirectory = 2 + 12 * numberEntries + 4;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
484 /* Offset following the header and the directory */
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
485 int nextOffset = 8 + lengthDirectory;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
486
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
487 /* Extra space used by XResolution and YResolution values */
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
488 int extraBytes = 16;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
489
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
490 int[] colorMap = null;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
491 if (isColorMap) {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
492 PaletteData palette = image.palette;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
493 RGB[] rgbs = palette.getRGBs();
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
494 colorMap = formatColorMap(rgbs);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
495 /* The number of entries of the Color Map must match the bitsPerSample field */
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
496 if (colorMap.length !is 3 * 1 << image.depth) SWT.error(SWT.ERROR_UNSUPPORTED_FORMAT);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
497 /* Extra space used by ColorMap values */
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
498 extraBytes += colorMap.length * 2;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
499 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
500 if (isRGB) {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
501 /* Extra space used by BitsPerSample values */
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
502 extraBytes += 6;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
503 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
504 /* TIFF recommends storing the data in strips of no more than 8 Ko */
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
505 byte[] data = image.data;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
506 int[][] strips = new int[][](2);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
507 int nbrRowsPerStrip = formatStrips(rowByteSize, imageLength, data, 8192, nextOffset, extraBytes, strips);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
508 int[] stripOffsets = strips[0];
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
509 int[] stripByteCounts = strips[1];
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
510
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
511 int bitsPerSampleOffset = NO_VALUE;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
512 if (isRGB) {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
513 bitsPerSampleOffset = nextOffset;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
514 nextOffset += 6;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
515 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
516 int stripOffsetsOffset = NO_VALUE, stripByteCountsOffset = NO_VALUE;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
517 int xResolutionOffset, yResolutionOffset, colorMapOffset = NO_VALUE;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
518 int cnt = stripOffsets.length;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
519 if (cnt > 1) {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
520 stripOffsetsOffset = nextOffset;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
521 nextOffset += 4 * cnt;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
522 stripByteCountsOffset = nextOffset;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
523 nextOffset += 4 * cnt;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
524 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
525 xResolutionOffset = nextOffset;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
526 nextOffset += 8;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
527 yResolutionOffset = nextOffset;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
528 nextOffset += 8;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
529 if (isColorMap) {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
530 colorMapOffset = nextOffset;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
531 nextOffset += colorMap.length * 2;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
532 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
533 /* TIFF header */
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
534 writeHeader();
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
535
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
536 /* Image File Directory */
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
537 ostr.writeShort(numberEntries);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
538 writeEntry(TAG_ImageWidth, TYPE_LONG, 1, imageWidth);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
539 writeEntry(TAG_ImageLength, TYPE_LONG, 1, imageLength);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
540 if (isColorMap) writeEntry(TAG_BitsPerSample, TYPE_SHORT, 1, image.depth);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
541 if (isRGB) writeEntry(TAG_BitsPerSample, TYPE_SHORT, 3, bitsPerSampleOffset);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
542 writeEntry(TAG_Compression, TYPE_SHORT, 1, COMPRESSION_NONE);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
543 writeEntry(TAG_PhotometricInterpretation, TYPE_SHORT, 1, photometricInterpretation);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
544 writeEntry(TAG_StripOffsets, TYPE_LONG, cnt, cnt > 1 ? stripOffsetsOffset : stripOffsets[0]);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
545 if (isRGB) writeEntry(TAG_SamplesPerPixel, TYPE_SHORT, 1, 3);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
546 writeEntry(TAG_RowsPerStrip, TYPE_LONG, 1, nbrRowsPerStrip);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
547 writeEntry(TAG_StripByteCounts, TYPE_LONG, cnt, cnt > 1 ? stripByteCountsOffset : stripByteCounts[0]);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
548 writeEntry(TAG_XResolution, TYPE_RATIONAL, 1, xResolutionOffset);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
549 writeEntry(TAG_YResolution, TYPE_RATIONAL, 1, yResolutionOffset);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
550 if (isColorMap) writeEntry(TAG_ColorMap, TYPE_SHORT, colorMap.length, colorMapOffset);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
551 /* Offset of next IFD (0 for last IFD) */
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
552 ostr.writeInt(0);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
553
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
554 /* Values longer than 4 bytes Section */
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
555
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
556 /* BitsPerSample 8,8,8 */
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
557 if (isRGB) for (int i = 0; i < 3; i++) ostr.writeShort(8);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
558 if (cnt > 1) {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
559 for (int i = 0; i < cnt; i++) ostr.writeInt(stripOffsets[i]);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
560 for (int i = 0; i < cnt; i++) ostr.writeInt(stripByteCounts[i]);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
561 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
562 /* XResolution and YResolution set to 300 dpi */
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
563 for (int i = 0; i < 2; i++) {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
564 ostr.writeInt(300);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
565 ostr.writeInt(1);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
566 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
567 /* ColorMap */
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
568 if (isColorMap) for (int i = 0; i < colorMap.length; i++) ostr.writeShort(colorMap[i]);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
569
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
570 /* Image Data */
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
571 ostr.write(data);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
572 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
573
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
574 void writeEntry(short tag, int type, int count, int value) {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
575 ostr.writeShort(tag);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
576 ostr.writeShort(type);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
577 ostr.writeInt(count);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
578 ostr.writeInt(value);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
579 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
580
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
581 void writeHeader() {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
582 /* little endian */
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
583 ostr.write(0x49);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
584 ostr.write(0x49);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
585
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
586 /* TIFF identifier */
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
587 ostr.writeShort(42);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
588 /*
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
589 * Offset of the first IFD is chosen to be 8.
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
590 * It is word aligned and immediately after this header.
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
591 */
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
592 ostr.writeInt(8);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
593 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
594
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
595 void writeToStream(LEDataOutputStream byteStream) {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
596 ostr = byteStream;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
597 int photometricInterpretation = -1;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
598
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
599 /* Scanline pad must be 1 */
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
600 if (image.scanlinePad !is 1) SWT.error(SWT.ERROR_UNSUPPORTED_FORMAT);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
601 switch (image.depth) {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
602 case 1: {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
603 /* Palette must be black and white or white and black */
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
604 PaletteData palette = image.palette;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
605 RGB[] rgbs = palette.colors;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
606 if (palette.isDirect || rgbs is null || rgbs.length !is 2) SWT.error(SWT.ERROR_UNSUPPORTED_FORMAT);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
607 RGB rgb0 = rgbs[0];
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
608 RGB rgb1 = rgbs[1];
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
609 if (!(rgb0.red is rgb0.green && rgb0.green is rgb0.blue &&
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
610 rgb1.red is rgb1.green && rgb1.green is rgb1.blue &&
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
611 ((rgb0.red is 0x0 && rgb1.red is 0xFF) || (rgb0.red is 0xFF && rgb1.red is 0x0)))) {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
612 SWT.error(SWT.ERROR_UNSUPPORTED_FORMAT);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
613 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
614 /* 0 means a color index of 0 is imaged as white */
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
615 photometricInterpretation = image.palette.colors[0].red is 0xFF ? 0 : 1;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
616 break;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
617 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
618 case 4:
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
619 case 8: {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
620 photometricInterpretation = 3;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
621 break;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
622 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
623 case 24: {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
624 photometricInterpretation = 2;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
625 break;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
626 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
627 default: {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
628 SWT.error(SWT.ERROR_UNSUPPORTED_FORMAT);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
629 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
630 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
631 write(photometricInterpretation);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
632 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
633
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
634 }