1 | package fr.mael.jiwigo.transverse; |
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2 | |
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3 | import java.awt.image.BufferedImage; |
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4 | import java.net.URL; |
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5 | import java.util.HashMap; |
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6 | import java.util.List; |
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7 | import javax.imageio.ImageIO; |
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8 | import fr.mael.jiwigo.om.Image; |
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9 | import fr.mael.jiwigo.transverse.util.Outil; |
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10 | |
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11 | |
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12 | /** |
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13 | Copyright (c) 2010, Mael |
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14 | All rights reserved. |
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15 | |
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16 | Redistribution and use in source and binary forms, with or without |
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17 | modification, are permitted provided that the following conditions are met: |
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18 | * Redistributions of source code must retain the above copyright |
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19 | notice, this list of conditions and the following disclaimer. |
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20 | * Redistributions in binary form must reproduce the above copyright |
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21 | notice, this list of conditions and the following disclaimer in the |
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22 | documentation and/or other materials provided with the distribution. |
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23 | * Neither the name of jiwigo nor the |
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24 | names of its contributors may be used to endorse or promote products |
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25 | derived from this software without specific prior written permission. |
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26 | |
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27 | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND |
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28 | ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
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29 | WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
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30 | DISCLAIMED. IN NO EVENT SHALL Mael BE LIABLE FOR ANY |
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31 | DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
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32 | (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
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33 | LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
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34 | ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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35 | (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
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36 | SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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37 | |
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38 | * @author mael |
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39 | * Management of the real sized pictures |
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40 | */ |
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41 | public class ImagesManagement { |
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42 | |
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43 | /** |
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44 | * Logger |
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45 | */ |
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46 | public static final org.apache.commons.logging.Log LOG = org.apache.commons.logging.LogFactory.getLog(ImagesManagement.class); |
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47 | /** |
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48 | * the index of the current image |
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49 | */ |
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50 | public static int CURRENT_IMAGE_INDEX; |
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51 | /** |
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52 | * the current image |
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53 | */ |
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54 | public static Image CURRENT_IMAGE; |
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55 | /** |
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56 | * images list |
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57 | */ |
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58 | public static List<Image> LIST_IMAGE; |
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59 | |
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60 | /** |
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61 | * cache allows to keep the images in the ram |
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62 | */ |
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63 | private static HashMap<Integer, BufferedImage> IMAGES_CACHE = new HashMap<Integer, BufferedImage>(); |
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64 | |
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65 | /** |
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66 | * cache allows to keep the thumbnails in the ram |
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67 | */ |
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68 | private static HashMap<Integer, BufferedImage> MINIATURE_CACHE = new HashMap<Integer, BufferedImage>(); |
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69 | |
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70 | /** |
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71 | * If true : the application won't ask the privacy level |
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72 | * to the user each time he adds pictures |
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73 | */ |
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74 | public static boolean rememberPrivacyLevel = false; |
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75 | |
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76 | /** |
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77 | * the privacy level to apply to the pictures |
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78 | */ |
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79 | public static int privacyLevel = 1; |
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80 | |
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81 | /** |
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82 | * boolean that defines if the application is sending files |
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83 | * |
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84 | */ |
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85 | public static boolean sendingFiles = false; |
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86 | |
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87 | |
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88 | /** |
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89 | * gets the current image |
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90 | * @return the image |
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91 | */ |
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92 | public static Image getCurrentImage() { |
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93 | //return LIST_IMAGE.get(CURRENT_IMAGE_INDEX); |
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94 | return CURRENT_IMAGE; |
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95 | } |
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96 | |
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97 | |
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98 | /** |
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99 | * next image |
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100 | */ |
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101 | public static void next() { |
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102 | if (CURRENT_IMAGE_INDEX != LIST_IMAGE.size() - 1) { |
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103 | CURRENT_IMAGE_INDEX++; |
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104 | } else { |
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105 | CURRENT_IMAGE_INDEX = 0; |
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106 | } |
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107 | CURRENT_IMAGE = LIST_IMAGE.get(CURRENT_IMAGE_INDEX); |
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108 | } |
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109 | |
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110 | |
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111 | /** |
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112 | * previous image |
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113 | */ |
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114 | public static void previous() { |
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115 | if (CURRENT_IMAGE_INDEX != 0) { |
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116 | CURRENT_IMAGE_INDEX--; |
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117 | } else { |
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118 | CURRENT_IMAGE_INDEX = LIST_IMAGE.size() - 1; |
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119 | } |
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120 | CURRENT_IMAGE = LIST_IMAGE.get(CURRENT_IMAGE_INDEX); |
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121 | } |
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122 | |
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123 | |
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124 | /** |
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125 | * |
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126 | * @param image the current image |
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127 | */ |
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128 | public static void setCurrentImage(Image image) { |
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129 | CURRENT_IMAGE = image; |
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130 | int compteur = 0; |
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131 | for (Image im : LIST_IMAGE) { |
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132 | if (im.equals(image)) { |
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133 | CURRENT_IMAGE_INDEX = compteur; |
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134 | } |
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135 | compteur++; |
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136 | } |
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137 | } |
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138 | |
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139 | |
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140 | /** |
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141 | * Function that allows to load images once |
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142 | * to decrease response delays |
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143 | * @return the image |
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144 | */ |
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145 | public static BufferedImage getCurrentBufferedImage() { |
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146 | if (IMAGES_CACHE.get(CURRENT_IMAGE.getIdentifiant()) == null) { |
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147 | try { |
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148 | BufferedImage img = ImageIO.read(new URL(CURRENT_IMAGE.getUrl())); |
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149 | IMAGES_CACHE.put(CURRENT_IMAGE.getIdentifiant(), img); |
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150 | } catch (Exception e) { |
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151 | LOG.error(Outil.getStackTrace(e)); |
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152 | } |
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153 | } |
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154 | return IMAGES_CACHE.get(CURRENT_IMAGE.getIdentifiant()); |
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155 | } |
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156 | |
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157 | |
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158 | /** |
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159 | * Function that allows to load thimbnails once |
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160 | * to decrease response delays |
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161 | * @return the image |
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162 | */ |
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163 | public static BufferedImage getMiniatureBufferedImage(Image image) { |
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164 | if (MINIATURE_CACHE.get(image.getIdentifiant()) == null) { |
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165 | try { |
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166 | BufferedImage img = ImageIO.read(new URL(image.getMiniature())); |
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167 | MINIATURE_CACHE.put(image.getIdentifiant(), img); |
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168 | } catch (Exception e) { |
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169 | LOG.error(Outil.getStackTrace(e)); |
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170 | } |
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171 | } |
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172 | |
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173 | return MINIATURE_CACHE.get(image.getIdentifiant()); |
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174 | } |
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175 | } |
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