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1 /* |
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2 * Copyright 2006-2007 Sun Microsystems, Inc. All Rights Reserved. |
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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4 * |
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5 * This code is free software; you can redistribute it and/or modify it |
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6 * under the terms of the GNU General Public License version 2 only, as |
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7 * published by the Free Software Foundation. Sun designates this |
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8 * particular file as subject to the "Classpath" exception as provided |
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9 * by Sun in the LICENSE file that accompanied this code. |
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10 * |
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11 * This code is distributed in the hope that it will be useful, but WITHOUT |
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12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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14 * version 2 for more details (a copy is included in the LICENSE file that |
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15 * accompanied this code). |
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16 * |
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17 * You should have received a copy of the GNU General Public License version |
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18 * 2 along with this work; if not, write to the Free Software Foundation, |
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19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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20 * |
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21 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
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22 * CA 95054 USA or visit www.sun.com if you need additional information or |
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23 * have any questions. |
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24 */ |
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25 package sun.awt.X11; |
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26 import java.awt.*; |
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27 import java.awt.color.*; |
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28 import java.awt.image.*; |
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29 import sun.awt.image.ToolkitImage; |
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30 import sun.awt.image.ImageRepresentation; |
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31 import java.util.Arrays; |
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32 |
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33 class XIconInfo { |
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34 /** |
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35 * Representation of image as an int array |
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36 * It's being used for _NET_WM_ICON hint |
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37 * with 32-bit X data model |
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38 */ |
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39 private int[] intIconData; |
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40 /** |
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41 * Representation of image as an int array |
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42 * It's being used for _NET_WM_ICON hint |
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43 * with 64-bit X data model |
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44 */ |
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45 private long[] longIconData; |
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46 /** |
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47 * Icon image. |
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48 */ |
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49 private Image image; |
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50 /** |
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51 * Width of icon image. Being set in constructor. |
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52 */ |
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53 private final int width; |
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54 /** |
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55 * Height of icon image. Being set in constructor. |
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56 */ |
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57 private final int height; |
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58 /** |
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59 * Width of scaled icon image. Can be set in setScaledDimension. |
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60 */ |
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61 private int scaledWidth; |
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62 /** |
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63 * Height of scaled icon image. Can be set in setScaledDimension. |
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64 */ |
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65 private int scaledHeight; |
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66 /** |
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67 * Length of raw data. Being set in constructor / setScaledDimension. |
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68 */ |
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69 private int rawLength; |
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70 |
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71 XIconInfo(int[] intIconData) { |
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72 this.intIconData = |
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73 (null == intIconData) ? null : Arrays.copyOf(intIconData, intIconData.length); |
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74 this.width = intIconData[0]; |
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75 this.height = intIconData[1]; |
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76 this.scaledWidth = width; |
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77 this.scaledHeight = height; |
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78 this.rawLength = width * height + 2; |
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79 } |
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80 |
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81 XIconInfo(long[] longIconData) { |
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82 this.longIconData = |
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83 (null == longIconData) ? null : Arrays.copyOf(longIconData, longIconData.length); |
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84 this.width = (int)longIconData[0]; |
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85 this.height = (int)longIconData[1]; |
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86 this.scaledWidth = width; |
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87 this.scaledHeight = height; |
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88 this.rawLength = width * height + 2; |
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89 } |
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90 |
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91 XIconInfo(Image image) { |
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92 this.image = image; |
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93 if (image instanceof ToolkitImage) { |
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94 ImageRepresentation ir = ((ToolkitImage)image).getImageRep(); |
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95 ir.reconstruct(ImageObserver.ALLBITS); |
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96 this.width = ir.getWidth(); |
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97 this.height = ir.getHeight(); |
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98 } else { |
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99 this.width = image.getWidth(null); |
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100 this.height = image.getHeight(null); |
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101 } |
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102 this.scaledWidth = width; |
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103 this.scaledHeight = height; |
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104 this.rawLength = width * height + 2; |
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105 } |
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106 |
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107 /* |
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108 * It sets size of scaled icon. |
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109 */ |
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110 void setScaledSize(int width, int height) { |
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111 this.scaledWidth = width; |
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112 this.scaledHeight = height; |
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113 this.rawLength = width * height + 2; |
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114 } |
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115 |
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116 boolean isValid() { |
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117 return (width > 0 && height > 0); |
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118 } |
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119 |
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120 int getWidth() { |
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121 return width; |
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122 } |
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123 |
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124 int getHeight() { |
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125 return height; |
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126 } |
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127 |
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128 public String toString() { |
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129 return "XIconInfo[w=" + width + ",h=" + height + ",sw=" + scaledWidth + ",sh=" + scaledHeight + "]"; |
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130 } |
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131 |
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132 int getRawLength() { |
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133 return rawLength; |
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134 } |
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135 |
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136 int[] getIntData() { |
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137 if (this.intIconData == null) { |
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138 if (this.longIconData != null) { |
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139 this.intIconData = longArrayToIntArray(longIconData); |
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140 } else if (this.image != null) { |
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141 this.intIconData = imageToIntArray(this.image, scaledWidth, scaledHeight); |
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142 } |
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143 } |
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144 return this.intIconData; |
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145 } |
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146 |
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147 long[] getLongData() { |
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148 if (this.longIconData == null) { |
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149 if (this.intIconData != null) { |
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150 this.longIconData = intArrayToLongArray(this.intIconData); |
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151 } else if (this.image != null) { |
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152 int[] intIconData = imageToIntArray(this.image, scaledWidth, scaledHeight); |
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153 this.longIconData = intArrayToLongArray(intIconData); |
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154 } |
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155 } |
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156 return this.longIconData; |
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157 } |
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158 |
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159 Image getImage() { |
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160 if (this.image == null) { |
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161 if (this.intIconData != null) { |
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162 this.image = intArrayToImage(this.intIconData); |
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163 } else if (this.longIconData != null) { |
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164 int[] intIconData = longArrayToIntArray(this.longIconData); |
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165 this.image = intArrayToImage(intIconData); |
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166 } |
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167 } |
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168 return this.image; |
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169 } |
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170 |
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171 private static int[] longArrayToIntArray(long[] longData) { |
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172 int[] intData = new int[longData.length]; |
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173 for (int i = 0; i < longData.length; i++) { |
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174 // Such a conversion is valid since the |
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175 // original data (see |
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176 // make/sun/xawt/ToBin.java) were ints |
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177 intData[i] = (int)longData[i]; |
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178 } |
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179 return intData; |
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180 } |
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181 |
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182 private static long[] intArrayToLongArray(int[] intData) { |
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183 long[] longData = new long[intData.length]; |
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184 for (int i = 0; i < intData.length; i++) { |
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185 longData[i] = (int)intData[i]; |
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186 } |
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187 return longData; |
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188 } |
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189 |
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190 static Image intArrayToImage(int[] raw) { |
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191 ColorModel cm = |
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192 new DirectColorModel(ColorSpace.getInstance(ColorSpace.CS_sRGB), 32, |
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193 0x00ff0000, 0x0000ff00, 0x000000ff, 0xff000000, |
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194 false, DataBuffer.TYPE_INT); |
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195 DataBuffer buffer = new DataBufferInt(raw, raw.length-2, 2); |
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196 WritableRaster raster = |
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197 Raster.createPackedRaster(buffer, raw[0], raw[1], |
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198 raw[0], |
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199 new int[] {0x00ff0000, 0x0000ff00, |
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200 0x000000ff, 0xff000000}, |
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201 null); |
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202 BufferedImage im = new BufferedImage(cm, raster, false, null); |
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203 return im; |
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204 } |
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205 |
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206 /* |
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207 * Returns array of integers which holds data for the image. |
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208 * It scales the image if necessary. |
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209 */ |
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210 static int[] imageToIntArray(Image image, int width, int height) { |
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211 if (width <= 0 || height <= 0) { |
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212 return null; |
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213 } |
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214 ColorModel cm = |
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215 new DirectColorModel(ColorSpace.getInstance(ColorSpace.CS_sRGB), 32, |
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216 0x00ff0000, 0x0000ff00, 0x000000ff, 0xff000000, |
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217 false, DataBuffer.TYPE_INT); |
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218 DataBufferInt buffer = new DataBufferInt(width * height); |
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219 WritableRaster raster = |
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220 Raster.createPackedRaster(buffer, width, height, |
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221 width, |
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222 new int[] {0x00ff0000, 0x0000ff00, |
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223 0x000000ff, 0xff000000}, |
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224 null); |
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225 BufferedImage im = new BufferedImage(cm, raster, false, null); |
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226 Graphics g = im.getGraphics(); |
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227 g.drawImage(image, 0, 0, width, height, null); |
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228 g.dispose(); |
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229 int[] data = buffer.getData(); |
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230 int[] raw = new int[width * height + 2]; |
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231 raw[0] = width; |
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232 raw[1] = height; |
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233 System.arraycopy(data, 0, raw, 2, width * height); |
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234 return raw; |
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235 } |
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236 |
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237 } |