1 | // License: GPL. For details, see LICENSE file.
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2 | package org.openstreetmap.josm.tools;
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3 |
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4 | import static org.openstreetmap.josm.tools.I18n.tr;
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5 |
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6 | import java.awt.Color;
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7 | import java.awt.Cursor;
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8 | import java.awt.Dimension;
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9 | import java.awt.Graphics2D;
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10 | import java.awt.GraphicsEnvironment;
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11 | import java.awt.Image;
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12 | import java.awt.Point;
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13 | import java.awt.Rectangle;
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14 | import java.awt.RenderingHints;
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15 | import java.awt.Toolkit;
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16 | import java.awt.Transparency;
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17 | import java.awt.image.BufferedImage;
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18 | import java.awt.image.ColorModel;
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19 | import java.awt.image.FilteredImageSource;
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20 | import java.awt.image.ImageFilter;
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21 | import java.awt.image.ImageProducer;
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22 | import java.awt.image.RenderedImage;
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23 | import java.awt.image.RGBImageFilter;
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24 | import java.awt.image.WritableRaster;
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25 | import java.io.ByteArrayInputStream;
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26 | import java.io.ByteArrayOutputStream;
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27 | import java.io.File;
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28 | import java.io.IOException;
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29 | import java.io.InputStream;
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30 | import java.io.StringReader;
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31 | import java.net.URI;
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32 | import java.net.URL;
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33 | import java.nio.charset.StandardCharsets;
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34 | import java.nio.file.InvalidPathException;
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35 | import java.util.Arrays;
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36 | import java.util.Base64;
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37 | import java.util.Collection;
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38 | import java.util.EnumMap;
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39 | import java.util.Hashtable;
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40 | import java.util.Iterator;
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41 | import java.util.LinkedList;
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42 | import java.util.List;
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43 | import java.util.Map;
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44 | import java.util.Objects;
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45 | import java.util.concurrent.CompletableFuture;
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46 | import java.util.concurrent.ConcurrentHashMap;
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47 | import java.util.concurrent.ExecutorService;
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48 | import java.util.concurrent.Executors;
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49 | import java.util.function.Consumer;
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50 | import java.util.function.UnaryOperator;
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51 | import java.util.regex.Matcher;
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52 | import java.util.regex.Pattern;
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53 | import java.util.stream.IntStream;
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54 | import java.util.zip.ZipEntry;
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55 | import java.util.zip.ZipFile;
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56 |
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57 | import javax.imageio.IIOException;
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58 | import javax.imageio.ImageIO;
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59 | import javax.imageio.ImageReadParam;
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60 | import javax.imageio.ImageReader;
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61 | import javax.imageio.metadata.IIOMetadata;
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62 | import javax.imageio.stream.ImageInputStream;
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63 | import javax.swing.ImageIcon;
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64 | import javax.xml.parsers.ParserConfigurationException;
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65 |
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66 | import org.openstreetmap.josm.data.Preferences;
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67 | import org.openstreetmap.josm.data.osm.OsmPrimitive;
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68 | import org.openstreetmap.josm.data.osm.OsmPrimitiveType;
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69 | import org.openstreetmap.josm.io.CachedFile;
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70 | import org.openstreetmap.josm.spi.preferences.Config;
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71 | import org.w3c.dom.Element;
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72 | import org.w3c.dom.Node;
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73 | import org.w3c.dom.NodeList;
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74 | import org.xml.sax.Attributes;
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75 | import org.xml.sax.InputSource;
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76 | import org.xml.sax.SAXException;
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77 | import org.xml.sax.XMLReader;
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78 | import org.xml.sax.helpers.DefaultHandler;
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79 |
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80 | import com.kitfox.svg.SVGDiagram;
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81 | import com.kitfox.svg.SVGException;
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82 | import com.kitfox.svg.SVGUniverse;
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83 |
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84 | /**
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85 | * Helper class to support the application with images.
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86 | *
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87 | * How to use:
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88 | *
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89 | * <code>ImageIcon icon = new ImageProvider(name).setMaxSize(ImageSizes.MAP).get();</code>
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90 | * (there are more options, see below)
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91 | *
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92 | * short form:
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93 | * <code>ImageIcon icon = ImageProvider.get(name);</code>
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94 | *
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95 | * @author imi
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96 | */
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97 | public class ImageProvider {
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98 |
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99 | // CHECKSTYLE.OFF: SingleSpaceSeparator
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100 | private static final String HTTP_PROTOCOL = "http://";
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101 | private static final String HTTPS_PROTOCOL = "https://";
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102 | private static final String WIKI_PROTOCOL = "wiki://";
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103 | // CHECKSTYLE.ON: SingleSpaceSeparator
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104 |
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105 | /**
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106 | * Supported image types
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107 | */
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108 | public enum ImageType {
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109 | /** Scalable vector graphics */
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110 | SVG,
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111 | /** Everything else, e.g. png, gif (must be supported by Java) */
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112 | OTHER
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113 | }
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114 |
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115 | /**
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116 | * Supported image sizes
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117 | * @since 7687
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118 | */
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119 | public enum ImageSizes {
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120 | /** SMALL_ICON value of an Action */
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121 | SMALLICON(Config.getPref().getInt("iconsize.smallicon", 16)),
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122 | /** LARGE_ICON_KEY value of an Action */
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123 | LARGEICON(Config.getPref().getInt("iconsize.largeicon", 24)),
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124 | /** map icon */
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125 | MAP(Config.getPref().getInt("iconsize.map", 16)),
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126 | /** map icon maximum size */
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127 | MAPMAX(Config.getPref().getInt("iconsize.mapmax", 48)),
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128 | /** cursor icon size */
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129 | CURSOR(Config.getPref().getInt("iconsize.cursor", 32)),
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130 | /** cursor overlay icon size */
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131 | CURSOROVERLAY(CURSOR),
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132 | /** menu icon size */
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133 | MENU(SMALLICON),
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134 | /** menu icon size in popup menus
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135 | * @since 8323
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136 | */
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137 | POPUPMENU(LARGEICON),
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138 | /** Layer list icon size
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139 | * @since 8323
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140 | */
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141 | LAYER(Config.getPref().getInt("iconsize.layer", 16)),
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142 | /** Table icon size
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143 | * @since 15049
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144 | */
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145 | TABLE(SMALLICON),
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146 | /** Toolbar button icon size
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147 | * @since 9253
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148 | */
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149 | TOOLBAR(LARGEICON),
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150 | /** Side button maximum height
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151 | * @since 9253
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152 | */
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153 | SIDEBUTTON(Config.getPref().getInt("iconsize.sidebutton", 20)),
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154 | /** Settings tab icon size
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155 | * @since 9253
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156 | */
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157 | SETTINGS_TAB(Config.getPref().getInt("iconsize.settingstab", 48)),
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158 | /**
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159 | * The default image size
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160 | * @since 9705
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161 | */
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162 | DEFAULT(Config.getPref().getInt("iconsize.default", 24)),
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163 | /**
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164 | * Splash dialog logo size
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165 | * @since 10358
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166 | */
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167 | SPLASH_LOGO(128, 128),
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168 | /**
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169 | * About dialog logo size
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170 | * @since 10358
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171 | */
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172 | ABOUT_LOGO(256, 256),
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173 | /**
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174 | * Status line logo size
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175 | * @since 13369
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176 | */
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177 | STATUSLINE(18, 18),
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178 | /**
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179 | * HTML inline image
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180 | * @since 16872
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181 | */
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182 | HTMLINLINE(24, 24);
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183 |
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184 | private final int virtualWidth;
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185 | private final int virtualHeight;
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186 |
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187 | ImageSizes(int imageSize) {
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188 | this.virtualWidth = imageSize;
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189 | this.virtualHeight = imageSize;
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190 | }
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191 |
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192 | ImageSizes(int width, int height) {
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193 | this.virtualWidth = width;
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194 | this.virtualHeight = height;
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195 | }
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196 |
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197 | ImageSizes(ImageSizes that) {
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198 | this.virtualWidth = that.virtualWidth;
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199 | this.virtualHeight = that.virtualHeight;
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200 | }
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201 |
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202 | /**
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203 | * Returns the image width in virtual pixels
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204 | * @return the image width in virtual pixels
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205 | * @since 9705
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206 | */
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207 | public int getVirtualWidth() {
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208 | return virtualWidth;
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209 | }
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210 |
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211 | /**
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212 | * Returns the image height in virtual pixels
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213 | * @return the image height in virtual pixels
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214 | * @since 9705
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215 | */
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216 | public int getVirtualHeight() {
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217 | return virtualHeight;
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218 | }
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219 |
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220 | /**
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221 | * Returns the image width in pixels to use for display
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222 | * @return the image width in pixels to use for display
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223 | * @since 10484
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224 | */
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225 | public int getAdjustedWidth() {
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226 | return GuiSizesHelper.getSizeDpiAdjusted(virtualWidth);
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227 | }
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228 |
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229 | /**
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230 | * Returns the image height in pixels to use for display
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231 | * @return the image height in pixels to use for display
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232 | * @since 10484
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233 | */
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234 | public int getAdjustedHeight() {
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235 | return GuiSizesHelper.getSizeDpiAdjusted(virtualHeight);
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236 | }
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237 |
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238 | /**
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239 | * Returns the image size as dimension
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240 | * @return the image size as dimension
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241 | * @since 9705
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242 | */
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243 | public Dimension getImageDimension() {
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244 | return new Dimension(virtualWidth, virtualHeight);
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245 | }
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246 | }
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247 |
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248 | /**
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249 | * Property set on {@code BufferedImage} returned by {@link #makeImageTransparent}.
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250 | * @since 7132
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251 | */
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252 | public static final String PROP_TRANSPARENCY_FORCED = "josm.transparency.forced";
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253 |
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254 | /**
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255 | * Property set on {@code BufferedImage} returned by {@link #read} if metadata is required.
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256 | * @since 7132
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257 | */
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258 | public static final String PROP_TRANSPARENCY_COLOR = "josm.transparency.color";
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259 |
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260 | /** directories in which images are searched */
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261 | protected Collection<String> dirs;
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262 | /** caching identifier */
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263 | protected String id;
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264 | /** sub directory the image can be found in */
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265 | protected String subdir;
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266 | /** image file name */
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267 | protected final String name;
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268 | /** archive file to take image from */
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269 | protected File archive;
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270 | /** directory inside the archive */
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271 | protected String inArchiveDir;
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272 | /** virtual width of the resulting image, -1 when original image data should be used */
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273 | protected int virtualWidth = -1;
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274 | /** virtual height of the resulting image, -1 when original image data should be used */
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275 | protected int virtualHeight = -1;
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276 | /** virtual maximum width of the resulting image, -1 for no restriction */
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277 | protected int virtualMaxWidth = -1;
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278 | /** virtual maximum height of the resulting image, -1 for no restriction */
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279 | protected int virtualMaxHeight = -1;
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280 | /** In case of errors do not throw exception but return <code>null</code> for missing image */
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281 | protected boolean optional;
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282 | /** <code>true</code> if warnings should be suppressed */
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283 | protected boolean suppressWarnings;
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284 | /** ordered list of overlay images */
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285 | protected List<ImageOverlay> overlayInfo;
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286 | /** <code>true</code> if icon must be grayed out */
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287 | protected boolean isDisabled;
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288 | /** <code>true</code> if multi-resolution image is requested */
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289 | protected boolean multiResolution = true;
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290 |
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291 | private static SVGUniverse svgUniverse;
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292 |
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293 | /**
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294 | * The icon cache
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295 | */
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296 | private static final Map<String, ImageResource> cache = new ConcurrentHashMap<>();
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297 |
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298 | /** small cache of critical images used in many parts of the application */
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299 | private static final Map<OsmPrimitiveType, ImageIcon> osmPrimitiveTypeCache = new EnumMap<>(OsmPrimitiveType.class);
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300 |
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301 | private static final ExecutorService IMAGE_FETCHER =
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302 | Executors.newSingleThreadExecutor(Utils.newThreadFactory("image-fetcher-%d", Thread.NORM_PRIORITY));
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303 |
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304 | /**
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305 | * Constructs a new {@code ImageProvider} from a filename in a given directory.
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306 | * @param subdir subdirectory the image lies in
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307 | * @param name the name of the image. If it does not end with '.png' or '.svg',
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308 | * both extensions are tried.
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309 | * @throws NullPointerException if name is null
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310 | */
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311 | public ImageProvider(String subdir, String name) {
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312 | this.subdir = subdir;
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313 | this.name = Objects.requireNonNull(name, "name");
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314 | }
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315 |
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316 | /**
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317 | * Constructs a new {@code ImageProvider} from a filename.
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318 | * @param name the name of the image. If it does not end with '.png' or '.svg',
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319 | * both extensions are tried.
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320 | * @throws NullPointerException if name is null
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321 | */
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322 | public ImageProvider(String name) {
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323 | this.name = Objects.requireNonNull(name, "name");
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324 | }
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325 |
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326 | /**
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327 | * Constructs a new {@code ImageProvider} from an existing one.
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328 | * @param image the existing image provider to be copied
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329 | * @since 8095
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330 | */
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331 | public ImageProvider(ImageProvider image) {
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332 | this.dirs = image.dirs;
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333 | this.id = image.id;
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334 | this.subdir = image.subdir;
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335 | this.name = image.name;
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336 | this.archive = image.archive;
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337 | this.inArchiveDir = image.inArchiveDir;
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338 | this.virtualWidth = image.virtualWidth;
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339 | this.virtualHeight = image.virtualHeight;
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340 | this.virtualMaxWidth = image.virtualMaxWidth;
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341 | this.virtualMaxHeight = image.virtualMaxHeight;
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342 | this.optional = image.optional;
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343 | this.suppressWarnings = image.suppressWarnings;
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344 | this.overlayInfo = image.overlayInfo;
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345 | this.isDisabled = image.isDisabled;
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346 | this.multiResolution = image.multiResolution;
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347 | }
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348 |
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349 | /**
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350 | * Directories to look for the image.
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351 | * @param dirs The directories to look for.
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352 | * @return the current object, for convenience
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353 | */
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354 | public ImageProvider setDirs(Collection<String> dirs) {
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355 | this.dirs = dirs;
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356 | return this;
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357 | }
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358 |
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359 | /**
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360 | * Set an id used for caching.
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361 | * If name starts with <code>http://</code> Id is not used for the cache.
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362 | * (A URL is unique anyway.)
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363 | * @param id the id for the cached image
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364 | * @return the current object, for convenience
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365 | */
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366 | public ImageProvider setId(String id) {
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367 | this.id = id;
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368 | return this;
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369 | }
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370 |
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371 | /**
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372 | * Specify a zip file where the image is located.
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373 | *
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374 | * (optional)
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375 | * @param archive zip file where the image is located
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376 | * @return the current object, for convenience
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377 | */
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378 | public ImageProvider setArchive(File archive) {
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379 | this.archive = archive;
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380 | return this;
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381 | }
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382 |
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383 | /**
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384 | * Specify a base path inside the zip file.
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385 | *
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386 | * The subdir and name will be relative to this path.
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387 | *
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388 | * (optional)
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389 | * @param inArchiveDir path inside the archive
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390 | * @return the current object, for convenience
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391 | */
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392 | public ImageProvider setInArchiveDir(String inArchiveDir) {
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393 | this.inArchiveDir = inArchiveDir;
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394 | return this;
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395 | }
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396 |
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397 | /**
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398 | * Add an overlay over the image. Multiple overlays are possible.
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399 | *
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400 | * @param overlay overlay image and placement specification
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401 | * @return the current object, for convenience
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402 | * @since 8095
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403 | */
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404 | public ImageProvider addOverlay(ImageOverlay overlay) {
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405 | if (overlayInfo == null) {
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406 | overlayInfo = new LinkedList<>();
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407 | }
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408 | overlayInfo.add(overlay);
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409 | return this;
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410 | }
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411 |
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412 | /**
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413 | * Set the dimensions of the image.
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414 | *
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415 | * If not specified, the original size of the image is used.
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416 | * The width part of the dimension can be -1. Then it will only set the height but
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417 | * keep the aspect ratio. (And the other way around.)
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418 | * @param size final dimensions of the image
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419 | * @return the current object, for convenience
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420 | */
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421 | public ImageProvider setSize(Dimension size) {
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422 | this.virtualWidth = size.width;
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423 | this.virtualHeight = size.height;
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424 | return this;
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425 | }
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426 |
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427 | /**
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428 | * Set the dimensions of the image.
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429 | *
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430 | * If not specified, the original size of the image is used.
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431 | * @param size final dimensions of the image
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432 | * @return the current object, for convenience
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433 | * @since 7687
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434 | */
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435 | public ImageProvider setSize(ImageSizes size) {
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436 | return setSize(size.getImageDimension());
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437 | }
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438 |
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439 | /**
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440 | * Set the dimensions of the image.
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441 | *
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442 | * @param width final width of the image
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443 | * @param height final height of the image
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444 | * @return the current object, for convenience
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445 | * @since 10358
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446 | */
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447 | public ImageProvider setSize(int width, int height) {
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448 | this.virtualWidth = width;
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449 | this.virtualHeight = height;
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450 | return this;
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451 | }
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452 |
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453 | /**
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454 | * Set image width
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455 | * @param width final width of the image
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456 | * @return the current object, for convenience
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457 | * @see #setSize
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458 | */
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459 | public ImageProvider setWidth(int width) {
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460 | this.virtualWidth = width;
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461 | return this;
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462 | }
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463 |
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464 | /**
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465 | * Set image height
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466 | * @param height final height of the image
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467 | * @return the current object, for convenience
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468 | * @see #setSize
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469 | */
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470 | public ImageProvider setHeight(int height) {
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471 | this.virtualHeight = height;
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472 | return this;
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473 | }
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474 |
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475 | /**
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476 | * Limit the maximum size of the image.
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477 | *
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478 | * It will shrink the image if necessary, but keep the aspect ratio.
|
---|
479 | * The given width or height can be -1 which means this direction is not bounded.
|
---|
480 | *
|
---|
481 | * 'size' and 'maxSize' are not compatible, you should set only one of them.
|
---|
482 | * @param maxSize maximum image size
|
---|
483 | * @return the current object, for convenience
|
---|
484 | */
|
---|
485 | public ImageProvider setMaxSize(Dimension maxSize) {
|
---|
486 | this.virtualMaxWidth = maxSize.width;
|
---|
487 | this.virtualMaxHeight = maxSize.height;
|
---|
488 | return this;
|
---|
489 | }
|
---|
490 |
|
---|
491 | /**
|
---|
492 | * Limit the maximum size of the image.
|
---|
493 | *
|
---|
494 | * It will shrink the image if necessary, but keep the aspect ratio.
|
---|
495 | * The given width or height can be -1 which means this direction is not bounded.
|
---|
496 | *
|
---|
497 | * This function sets value using the most restrictive of the new or existing set of
|
---|
498 | * values.
|
---|
499 | *
|
---|
500 | * @param maxSize maximum image size
|
---|
501 | * @return the current object, for convenience
|
---|
502 | * @see #setMaxSize(Dimension)
|
---|
503 | */
|
---|
504 | public ImageProvider resetMaxSize(Dimension maxSize) {
|
---|
505 | if (this.virtualMaxWidth == -1 || maxSize.width < this.virtualMaxWidth) {
|
---|
506 | this.virtualMaxWidth = maxSize.width;
|
---|
507 | }
|
---|
508 | if (this.virtualMaxHeight == -1 || maxSize.height < this.virtualMaxHeight) {
|
---|
509 | this.virtualMaxHeight = maxSize.height;
|
---|
510 | }
|
---|
511 | return this;
|
---|
512 | }
|
---|
513 |
|
---|
514 | /**
|
---|
515 | * Limit the maximum size of the image.
|
---|
516 | *
|
---|
517 | * It will shrink the image if necessary, but keep the aspect ratio.
|
---|
518 | * The given width or height can be -1 which means this direction is not bounded.
|
---|
519 | *
|
---|
520 | * 'size' and 'maxSize' are not compatible, you should set only one of them.
|
---|
521 | * @param size maximum image size
|
---|
522 | * @return the current object, for convenience
|
---|
523 | * @since 7687
|
---|
524 | */
|
---|
525 | public ImageProvider setMaxSize(ImageSizes size) {
|
---|
526 | return setMaxSize(size.getImageDimension());
|
---|
527 | }
|
---|
528 |
|
---|
529 | /**
|
---|
530 | * Convenience method, see {@link #setMaxSize(Dimension)}.
|
---|
531 | * @param maxSize maximum image size
|
---|
532 | * @return the current object, for convenience
|
---|
533 | */
|
---|
534 | public ImageProvider setMaxSize(int maxSize) {
|
---|
535 | return this.setMaxSize(new Dimension(maxSize, maxSize));
|
---|
536 | }
|
---|
537 |
|
---|
538 | /**
|
---|
539 | * Limit the maximum width of the image.
|
---|
540 | * @param maxWidth maximum image width
|
---|
541 | * @return the current object, for convenience
|
---|
542 | * @see #setMaxSize
|
---|
543 | */
|
---|
544 | public ImageProvider setMaxWidth(int maxWidth) {
|
---|
545 | this.virtualMaxWidth = maxWidth;
|
---|
546 | return this;
|
---|
547 | }
|
---|
548 |
|
---|
549 | /**
|
---|
550 | * Limit the maximum height of the image.
|
---|
551 | * @param maxHeight maximum image height
|
---|
552 | * @return the current object, for convenience
|
---|
553 | * @see #setMaxSize
|
---|
554 | */
|
---|
555 | public ImageProvider setMaxHeight(int maxHeight) {
|
---|
556 | this.virtualMaxHeight = maxHeight;
|
---|
557 | return this;
|
---|
558 | }
|
---|
559 |
|
---|
560 | /**
|
---|
561 | * Decide, if an exception should be thrown, when the image cannot be located.
|
---|
562 | *
|
---|
563 | * Set to true, when the image URL comes from user data and the image may be missing.
|
---|
564 | *
|
---|
565 | * @param optional true, if JOSM should <b>not</b> throw a RuntimeException
|
---|
566 | * in case the image cannot be located.
|
---|
567 | * @return the current object, for convenience
|
---|
568 | */
|
---|
569 | public ImageProvider setOptional(boolean optional) {
|
---|
570 | this.optional = optional;
|
---|
571 | return this;
|
---|
572 | }
|
---|
573 |
|
---|
574 | /**
|
---|
575 | * Suppresses warning on the command line in case the image cannot be found.
|
---|
576 | *
|
---|
577 | * In combination with setOptional(true);
|
---|
578 | * @param suppressWarnings if <code>true</code> warnings are suppressed
|
---|
579 | * @return the current object, for convenience
|
---|
580 | */
|
---|
581 | public ImageProvider setSuppressWarnings(boolean suppressWarnings) {
|
---|
582 | this.suppressWarnings = suppressWarnings;
|
---|
583 | return this;
|
---|
584 | }
|
---|
585 |
|
---|
586 | /**
|
---|
587 | * Add an additional class loader to search image for.
|
---|
588 | * @param additionalClassLoader class loader to add to the internal set
|
---|
589 | * @return {@code true} if the set changed as a result of the call
|
---|
590 | * @since 12870
|
---|
591 | * @deprecated Use ResourceProvider#addAdditionalClassLoader
|
---|
592 | */
|
---|
593 | @Deprecated
|
---|
594 | public static boolean addAdditionalClassLoader(ClassLoader additionalClassLoader) {
|
---|
595 | return ResourceProvider.addAdditionalClassLoader(additionalClassLoader);
|
---|
596 | }
|
---|
597 |
|
---|
598 | /**
|
---|
599 | * Add a collection of additional class loaders to search image for.
|
---|
600 | * @param additionalClassLoaders class loaders to add to the internal set
|
---|
601 | * @return {@code true} if the set changed as a result of the call
|
---|
602 | * @since 12870
|
---|
603 | * @deprecated Use ResourceProvider#addAdditionalClassLoaders
|
---|
604 | */
|
---|
605 | @Deprecated
|
---|
606 | public static boolean addAdditionalClassLoaders(Collection<ClassLoader> additionalClassLoaders) {
|
---|
607 | return ResourceProvider.addAdditionalClassLoaders(additionalClassLoaders);
|
---|
608 | }
|
---|
609 |
|
---|
610 | /**
|
---|
611 | * Set, if image must be filtered to grayscale so it will look like disabled icon.
|
---|
612 | *
|
---|
613 | * @param disabled true, if image must be grayed out for disabled state
|
---|
614 | * @return the current object, for convenience
|
---|
615 | * @since 10428
|
---|
616 | */
|
---|
617 | public ImageProvider setDisabled(boolean disabled) {
|
---|
618 | this.isDisabled = disabled;
|
---|
619 | return this;
|
---|
620 | }
|
---|
621 |
|
---|
622 | /**
|
---|
623 | * Decide, if multi-resolution image is requested (default <code>true</code>).
|
---|
624 | * <p>
|
---|
625 | * A <code>java.awt.image.MultiResolutionImage</code> is a Java 9 {@link Image}
|
---|
626 | * implementation, which adds support for HiDPI displays. The effect will be
|
---|
627 | * that in HiDPI mode, when GUI elements are scaled by a factor 1.5, 2.0, etc.,
|
---|
628 | * the images are not just up-scaled, but a higher resolution version of the image is rendered instead.
|
---|
629 | * <p>
|
---|
630 | * Use {@link HiDPISupport#getBaseImage(java.awt.Image)} to extract the original image from a multi-resolution image.
|
---|
631 | * <p>
|
---|
632 | * See {@link HiDPISupport#processMRImage} for how to process the image without removing the multi-resolution magic.
|
---|
633 | * @param multiResolution true, if multi-resolution image is requested
|
---|
634 | * @return the current object, for convenience
|
---|
635 | */
|
---|
636 | public ImageProvider setMultiResolution(boolean multiResolution) {
|
---|
637 | this.multiResolution = multiResolution;
|
---|
638 | return this;
|
---|
639 | }
|
---|
640 |
|
---|
641 | /**
|
---|
642 | * Determines if this icon is located on a remote location (http, https, wiki).
|
---|
643 | * @return {@code true} if this icon is located on a remote location (http, https, wiki)
|
---|
644 | * @since 13250
|
---|
645 | */
|
---|
646 | public boolean isRemote() {
|
---|
647 | return name.startsWith(HTTP_PROTOCOL) || name.startsWith(HTTPS_PROTOCOL) || name.startsWith(WIKI_PROTOCOL);
|
---|
648 | }
|
---|
649 |
|
---|
650 | /**
|
---|
651 | * Execute the image request and scale result.
|
---|
652 | * @return the requested image or null if the request failed
|
---|
653 | */
|
---|
654 | public ImageIcon get() {
|
---|
655 | ImageResource ir = getResource();
|
---|
656 |
|
---|
657 | if (ir == null) {
|
---|
658 | return null;
|
---|
659 | } else if (Logging.isTraceEnabled()) {
|
---|
660 | Logging.trace("get {0} from {1}", this, Thread.currentThread());
|
---|
661 | }
|
---|
662 | if (virtualMaxWidth != -1 || virtualMaxHeight != -1)
|
---|
663 | return ir.getImageIcon(new Dimension(virtualMaxWidth, virtualMaxHeight), multiResolution, null);
|
---|
664 | else
|
---|
665 | return ir.getImageIcon(new Dimension(virtualWidth, virtualHeight), multiResolution, ImageResizeMode.AUTO);
|
---|
666 | }
|
---|
667 |
|
---|
668 | /**
|
---|
669 | * Execute the image request and scale result.
|
---|
670 | * @return the requested image as data: URL or null if the request failed
|
---|
671 | * @since 16872
|
---|
672 | */
|
---|
673 | public String getDataURL() {
|
---|
674 | ImageIcon ii = get();
|
---|
675 | if (ii != null) {
|
---|
676 | final ByteArrayOutputStream os = new ByteArrayOutputStream();
|
---|
677 | try {
|
---|
678 | Image i = ii.getImage();
|
---|
679 | if (i instanceof RenderedImage) {
|
---|
680 | ImageIO.write((RenderedImage) i, "png", os);
|
---|
681 | return "data:image/png;base64," + Base64.getEncoder().encodeToString(os.toByteArray());
|
---|
682 | }
|
---|
683 | } catch (final IOException ioe) {
|
---|
684 | return null;
|
---|
685 | }
|
---|
686 | }
|
---|
687 | return null;
|
---|
688 | }
|
---|
689 |
|
---|
690 | /**
|
---|
691 | * Load the image in a background thread.
|
---|
692 | *
|
---|
693 | * This method returns immediately and runs the image request asynchronously.
|
---|
694 | * @param action the action that will deal with the image
|
---|
695 | *
|
---|
696 | * @return the future of the requested image
|
---|
697 | * @since 13252
|
---|
698 | */
|
---|
699 | public CompletableFuture<Void> getAsync(Consumer<? super ImageIcon> action) {
|
---|
700 | return isRemote()
|
---|
701 | ? CompletableFuture.supplyAsync(this::get, IMAGE_FETCHER).thenAcceptAsync(action, IMAGE_FETCHER)
|
---|
702 | : CompletableFuture.completedFuture(get()).thenAccept(action);
|
---|
703 | }
|
---|
704 |
|
---|
705 | /**
|
---|
706 | * Execute the image request.
|
---|
707 | *
|
---|
708 | * @return the requested image or null if the request failed
|
---|
709 | * @since 7693
|
---|
710 | */
|
---|
711 | public ImageResource getResource() {
|
---|
712 | ImageResource ir = getIfAvailableImpl();
|
---|
713 | if (ir == null) {
|
---|
714 | if (!optional) {
|
---|
715 | String ext = name.indexOf('.') != -1 ? "" : ".???";
|
---|
716 | throw new JosmRuntimeException(
|
---|
717 | tr("Fatal: failed to locate image ''{0}''. This is a serious configuration problem. JOSM will stop working.",
|
---|
718 | name + ext));
|
---|
719 | } else {
|
---|
720 | if (!suppressWarnings) {
|
---|
721 | Logging.error(tr("Failed to locate image ''{0}''", name));
|
---|
722 | }
|
---|
723 | return null;
|
---|
724 | }
|
---|
725 | }
|
---|
726 | if (overlayInfo != null) {
|
---|
727 | ir = new ImageResource(ir, overlayInfo);
|
---|
728 | }
|
---|
729 | if (isDisabled) {
|
---|
730 | ir.setDisabled(true);
|
---|
731 | }
|
---|
732 | return ir;
|
---|
733 | }
|
---|
734 |
|
---|
735 | /**
|
---|
736 | * Load the image in a background thread.
|
---|
737 | *
|
---|
738 | * This method returns immediately and runs the image request asynchronously.
|
---|
739 | * @param action the action that will deal with the image
|
---|
740 | *
|
---|
741 | * @return the future of the requested image
|
---|
742 | * @since 13252
|
---|
743 | */
|
---|
744 | public CompletableFuture<Void> getResourceAsync(Consumer<? super ImageResource> action) {
|
---|
745 | return isRemote()
|
---|
746 | ? CompletableFuture.supplyAsync(this::getResource, IMAGE_FETCHER).thenAcceptAsync(action, IMAGE_FETCHER)
|
---|
747 | : CompletableFuture.completedFuture(getResource()).thenAccept(action);
|
---|
748 | }
|
---|
749 |
|
---|
750 | /**
|
---|
751 | * Load an image with a given file name.
|
---|
752 | *
|
---|
753 | * @param subdir subdirectory the image lies in
|
---|
754 | * @param name The icon name (base name with or without '.png' or '.svg' extension)
|
---|
755 | * @return The requested Image.
|
---|
756 | * @throws RuntimeException if the image cannot be located
|
---|
757 | */
|
---|
758 | public static ImageIcon get(String subdir, String name) {
|
---|
759 | return new ImageProvider(subdir, name).get();
|
---|
760 | }
|
---|
761 |
|
---|
762 | /**
|
---|
763 | * Load an image with a given file name.
|
---|
764 | *
|
---|
765 | * @param name The icon name (base name with or without '.png' or '.svg' extension)
|
---|
766 | * @return the requested image or null if the request failed
|
---|
767 | * @see #get(String, String)
|
---|
768 | */
|
---|
769 | public static ImageIcon get(String name) {
|
---|
770 | return new ImageProvider(name).get();
|
---|
771 | }
|
---|
772 |
|
---|
773 | /**
|
---|
774 | * Load an image from directory with a given file name and size.
|
---|
775 | *
|
---|
776 | * @param subdir subdirectory the image lies in
|
---|
777 | * @param name The icon name (base name with or without '.png' or '.svg' extension)
|
---|
778 | * @param size Target icon size
|
---|
779 | * @return The requested Image.
|
---|
780 | * @throws RuntimeException if the image cannot be located
|
---|
781 | * @since 10428
|
---|
782 | */
|
---|
783 | public static ImageIcon get(String subdir, String name, ImageSizes size) {
|
---|
784 | return new ImageProvider(subdir, name).setSize(size).get();
|
---|
785 | }
|
---|
786 |
|
---|
787 | /**
|
---|
788 | * Load an empty image with a given size.
|
---|
789 | *
|
---|
790 | * @param size Target icon size
|
---|
791 | * @return The requested Image.
|
---|
792 | * @since 10358
|
---|
793 | */
|
---|
794 | public static ImageIcon getEmpty(ImageSizes size) {
|
---|
795 | Dimension iconRealSize = GuiSizesHelper.getDimensionDpiAdjusted(size.getImageDimension());
|
---|
796 | return new ImageIcon(new BufferedImage(iconRealSize.width, iconRealSize.height,
|
---|
797 | BufferedImage.TYPE_INT_ARGB));
|
---|
798 | }
|
---|
799 |
|
---|
800 | /**
|
---|
801 | * Load an image with a given file name, but do not throw an exception
|
---|
802 | * when the image cannot be found.
|
---|
803 | *
|
---|
804 | * @param subdir subdirectory the image lies in
|
---|
805 | * @param name The icon name (base name with or without '.png' or '.svg' extension)
|
---|
806 | * @return the requested image or null if the request failed
|
---|
807 | * @see #get(String, String)
|
---|
808 | */
|
---|
809 | public static ImageIcon getIfAvailable(String subdir, String name) {
|
---|
810 | return new ImageProvider(subdir, name).setOptional(true).get();
|
---|
811 | }
|
---|
812 |
|
---|
813 | /**
|
---|
814 | * Load an image with a given file name and size.
|
---|
815 | *
|
---|
816 | * @param name The icon name (base name with or without '.png' or '.svg' extension)
|
---|
817 | * @param size Target icon size
|
---|
818 | * @return the requested image or null if the request failed
|
---|
819 | * @see #get(String, String)
|
---|
820 | * @since 10428
|
---|
821 | */
|
---|
822 | public static ImageIcon get(String name, ImageSizes size) {
|
---|
823 | return new ImageProvider(name).setSize(size).get();
|
---|
824 | }
|
---|
825 |
|
---|
826 | /**
|
---|
827 | * Load an image with a given file name, but do not throw an exception
|
---|
828 | * when the image cannot be found.
|
---|
829 | *
|
---|
830 | * @param name The icon name (base name with or without '.png' or '.svg' extension)
|
---|
831 | * @return the requested image or null if the request failed
|
---|
832 | * @see #getIfAvailable(String, String)
|
---|
833 | */
|
---|
834 | public static ImageIcon getIfAvailable(String name) {
|
---|
835 | return new ImageProvider(name).setOptional(true).get();
|
---|
836 | }
|
---|
837 |
|
---|
838 | /**
|
---|
839 | * {@code data:[<mediatype>][;base64],<data>}
|
---|
840 | * @see <a href="http://tools.ietf.org/html/rfc2397">RFC2397</a>
|
---|
841 | */
|
---|
842 | private static final Pattern dataUrlPattern = Pattern.compile(
|
---|
843 | "^data:([a-zA-Z]+/[a-zA-Z+]+)?(;base64)?,(.+)$");
|
---|
844 |
|
---|
845 | /**
|
---|
846 | * Clears the internal image caches.
|
---|
847 | * @since 11021
|
---|
848 | */
|
---|
849 | public static void clearCache() {
|
---|
850 | cache.clear();
|
---|
851 | synchronized (osmPrimitiveTypeCache) {
|
---|
852 | osmPrimitiveTypeCache.clear();
|
---|
853 | }
|
---|
854 | }
|
---|
855 |
|
---|
856 | /**
|
---|
857 | * Internal implementation of the image request.
|
---|
858 | *
|
---|
859 | * @return the requested image or null if the request failed
|
---|
860 | */
|
---|
861 | private ImageResource getIfAvailableImpl() {
|
---|
862 | // This method is called from different thread and modifying HashMap concurrently can result
|
---|
863 | // for example in loops in map entries (ie freeze when such entry is retrieved)
|
---|
864 |
|
---|
865 | String prefix = isDisabled ? "dis:" : "";
|
---|
866 | if (name.startsWith("data:")) {
|
---|
867 | String url = name;
|
---|
868 | ImageResource ir = cache.get(prefix + url);
|
---|
869 | if (ir != null) return ir;
|
---|
870 | ir = getIfAvailableDataUrl(url);
|
---|
871 | if (ir != null) {
|
---|
872 | cache.put(prefix + url, ir);
|
---|
873 | }
|
---|
874 | return ir;
|
---|
875 | }
|
---|
876 |
|
---|
877 | ImageType type = Utils.hasExtension(name, "svg") ? ImageType.SVG : ImageType.OTHER;
|
---|
878 |
|
---|
879 | if (name.startsWith(HTTP_PROTOCOL) || name.startsWith(HTTPS_PROTOCOL)) {
|
---|
880 | String url = name;
|
---|
881 | ImageResource ir = cache.get(prefix + url);
|
---|
882 | if (ir != null) return ir;
|
---|
883 | ir = getIfAvailableHttp(url, type);
|
---|
884 | if (ir != null) {
|
---|
885 | cache.put(prefix + url, ir);
|
---|
886 | }
|
---|
887 | return ir;
|
---|
888 | } else if (name.startsWith(WIKI_PROTOCOL)) {
|
---|
889 | ImageResource ir = cache.get(prefix + name);
|
---|
890 | if (ir != null) return ir;
|
---|
891 | ir = getIfAvailableWiki(name, type);
|
---|
892 | if (ir != null) {
|
---|
893 | cache.put(prefix + name, ir);
|
---|
894 | }
|
---|
895 | return ir;
|
---|
896 | }
|
---|
897 |
|
---|
898 | if (subdir == null) {
|
---|
899 | subdir = "";
|
---|
900 | } else if (!subdir.isEmpty() && !subdir.endsWith("/")) {
|
---|
901 | subdir += '/';
|
---|
902 | }
|
---|
903 | String[] extensions;
|
---|
904 | if (name.indexOf('.') != -1) {
|
---|
905 | extensions = new String[] {""};
|
---|
906 | } else {
|
---|
907 | extensions = new String[] {".png", ".svg"};
|
---|
908 | }
|
---|
909 | final int typeArchive = 0;
|
---|
910 | final int typeLocal = 1;
|
---|
911 | for (int place : new Integer[] {typeArchive, typeLocal}) {
|
---|
912 | for (String ext : extensions) {
|
---|
913 |
|
---|
914 | if (".svg".equals(ext)) {
|
---|
915 | type = ImageType.SVG;
|
---|
916 | } else if (".png".equals(ext)) {
|
---|
917 | type = ImageType.OTHER;
|
---|
918 | }
|
---|
919 |
|
---|
920 | String fullName = subdir + name + ext;
|
---|
921 | String cacheName = prefix + fullName;
|
---|
922 | /* cache separately */
|
---|
923 | if (dirs != null && !dirs.isEmpty()) {
|
---|
924 | cacheName = "id:" + id + ':' + fullName;
|
---|
925 | if (archive != null) {
|
---|
926 | cacheName += ':' + archive.getName();
|
---|
927 | }
|
---|
928 | }
|
---|
929 |
|
---|
930 | switch (place) {
|
---|
931 | case typeArchive:
|
---|
932 | if (archive != null) {
|
---|
933 | cacheName = "zip:" + archive.hashCode() + ':' + cacheName;
|
---|
934 | ImageResource ir = cache.get(cacheName);
|
---|
935 | if (ir != null) return ir;
|
---|
936 |
|
---|
937 | ir = getIfAvailableZip(fullName, archive, inArchiveDir, type);
|
---|
938 | if (ir != null) {
|
---|
939 | cache.put(cacheName, ir);
|
---|
940 | return ir;
|
---|
941 | }
|
---|
942 | }
|
---|
943 | break;
|
---|
944 | case typeLocal:
|
---|
945 | ImageResource ir = cache.get(cacheName);
|
---|
946 | if (ir != null) return ir;
|
---|
947 |
|
---|
948 | // getImageUrl() does a ton of "stat()" calls and gets expensive
|
---|
949 | // and redundant when you have a whole ton of objects. So,
|
---|
950 | // index the cache by the name of the icon we're looking for
|
---|
951 | // and don't bother to create a URL unless we're actually creating the image.
|
---|
952 | URL path = getImageUrl(fullName);
|
---|
953 | if (path == null) {
|
---|
954 | continue;
|
---|
955 | }
|
---|
956 | ir = getIfAvailableLocalURL(path, type);
|
---|
957 | if (ir != null) {
|
---|
958 | cache.put(cacheName, ir);
|
---|
959 | return ir;
|
---|
960 | }
|
---|
961 | break;
|
---|
962 | }
|
---|
963 | }
|
---|
964 | }
|
---|
965 | return null;
|
---|
966 | }
|
---|
967 |
|
---|
968 | /**
|
---|
969 | * Internal implementation of the image request for URL's.
|
---|
970 | *
|
---|
971 | * @param url URL of the image
|
---|
972 | * @param type data type of the image
|
---|
973 | * @return the requested image or null if the request failed
|
---|
974 | */
|
---|
975 | private static ImageResource getIfAvailableHttp(String url, ImageType type) {
|
---|
976 | try (CachedFile cf = new CachedFile(url).setDestDir(
|
---|
977 | new File(Config.getDirs().getCacheDirectory(true), "images").getPath());
|
---|
978 | InputStream is = cf.getInputStream()) {
|
---|
979 | switch (type) {
|
---|
980 | case SVG:
|
---|
981 | SVGDiagram svg = null;
|
---|
982 | synchronized (getSvgUniverse()) {
|
---|
983 | URI uri = getSvgUniverse().loadSVG(is, Utils.fileToURL(cf.getFile()).toString());
|
---|
984 | svg = getSvgUniverse().getDiagram(uri);
|
---|
985 | }
|
---|
986 | return svg == null ? null : new ImageResource(svg);
|
---|
987 | case OTHER:
|
---|
988 | BufferedImage img = null;
|
---|
989 | try {
|
---|
990 | img = read(Utils.fileToURL(cf.getFile()), false, false);
|
---|
991 | } catch (IOException | UnsatisfiedLinkError e) {
|
---|
992 | Logging.log(Logging.LEVEL_WARN, "Exception while reading HTTP image:", e);
|
---|
993 | }
|
---|
994 | return img == null ? null : new ImageResource(img);
|
---|
995 | default:
|
---|
996 | throw new AssertionError("Unsupported type: " + type);
|
---|
997 | }
|
---|
998 | } catch (IOException e) {
|
---|
999 | Logging.debug(e);
|
---|
1000 | return null;
|
---|
1001 | }
|
---|
1002 | }
|
---|
1003 |
|
---|
1004 | /**
|
---|
1005 | * Internal implementation of the image request for inline images (<b>data:</b> urls).
|
---|
1006 | *
|
---|
1007 | * @param url the data URL for image extraction
|
---|
1008 | * @return the requested image or null if the request failed
|
---|
1009 | */
|
---|
1010 | private static ImageResource getIfAvailableDataUrl(String url) {
|
---|
1011 | Matcher m = dataUrlPattern.matcher(url);
|
---|
1012 | if (m.matches()) {
|
---|
1013 | String base64 = m.group(2);
|
---|
1014 | String data = m.group(3);
|
---|
1015 | byte[] bytes;
|
---|
1016 | try {
|
---|
1017 | if (";base64".equals(base64)) {
|
---|
1018 | bytes = Base64.getDecoder().decode(data);
|
---|
1019 | } else {
|
---|
1020 | bytes = Utils.decodeUrl(data).getBytes(StandardCharsets.UTF_8);
|
---|
1021 | }
|
---|
1022 | } catch (IllegalArgumentException ex) {
|
---|
1023 | Logging.log(Logging.LEVEL_WARN, "Unable to decode URL data part: "+ex.getMessage() + " (" + data + ')', ex);
|
---|
1024 | return null;
|
---|
1025 | }
|
---|
1026 | String mediatype = m.group(1);
|
---|
1027 | if ("image/svg+xml".equals(mediatype)) {
|
---|
1028 | String s = new String(bytes, StandardCharsets.UTF_8);
|
---|
1029 | // see #19097: check if s starts with PNG magic
|
---|
1030 | if (s.length() > 4 && "PNG".equals(s.substring(1, 4))) {
|
---|
1031 | Logging.warn("url contains PNG file " + url);
|
---|
1032 | return null;
|
---|
1033 | }
|
---|
1034 | SVGDiagram svg;
|
---|
1035 | synchronized (getSvgUniverse()) {
|
---|
1036 | URI uri = getSvgUniverse().loadSVG(new StringReader(s), Utils.encodeUrl(s));
|
---|
1037 | svg = getSvgUniverse().getDiagram(uri);
|
---|
1038 | }
|
---|
1039 | if (svg == null) {
|
---|
1040 | Logging.warn("Unable to process svg: "+s);
|
---|
1041 | return null;
|
---|
1042 | }
|
---|
1043 | return new ImageResource(svg);
|
---|
1044 | } else {
|
---|
1045 | try {
|
---|
1046 | // See #10479: for PNG files, always enforce transparency to be sure tNRS chunk is used even not in paletted mode
|
---|
1047 | // This can be removed if someday Oracle fixes https://bugs.openjdk.java.net/browse/JDK-6788458
|
---|
1048 | // CHECKSTYLE.OFF: LineLength
|
---|
1049 | // hg.openjdk.java.net/jdk8u/jdk8u/jdk/file/dc4322602480/src/share/classes/com/sun/imageio/plugins/png/PNGImageReader.java#l656
|
---|
1050 | // CHECKSTYLE.ON: LineLength
|
---|
1051 | Image img = read(new ByteArrayInputStream(bytes), false, true);
|
---|
1052 | return img == null ? null : new ImageResource(img);
|
---|
1053 | } catch (IOException | UnsatisfiedLinkError e) {
|
---|
1054 | Logging.log(Logging.LEVEL_WARN, "Exception while reading image:", e);
|
---|
1055 | }
|
---|
1056 | }
|
---|
1057 | }
|
---|
1058 | return null;
|
---|
1059 | }
|
---|
1060 |
|
---|
1061 | /**
|
---|
1062 | * Internal implementation of the image request for wiki images.
|
---|
1063 | *
|
---|
1064 | * @param name image file name
|
---|
1065 | * @param type data type of the image
|
---|
1066 | * @return the requested image or null if the request failed
|
---|
1067 | */
|
---|
1068 | private static ImageResource getIfAvailableWiki(String name, ImageType type) {
|
---|
1069 | final List<String> defaultBaseUrls = Arrays.asList(
|
---|
1070 | "https://wiki.openstreetmap.org/w/images/",
|
---|
1071 | "https://upload.wikimedia.org/wikipedia/commons/",
|
---|
1072 | "https://wiki.openstreetmap.org/wiki/File:"
|
---|
1073 | );
|
---|
1074 | final Collection<String> baseUrls = Config.getPref().getList("image-provider.wiki.urls", defaultBaseUrls);
|
---|
1075 |
|
---|
1076 | final String fn = name.substring(name.lastIndexOf('/') + 1);
|
---|
1077 |
|
---|
1078 | ImageResource result = null;
|
---|
1079 | for (String b : baseUrls) {
|
---|
1080 | String url;
|
---|
1081 | if (b.endsWith(":")) {
|
---|
1082 | url = getImgUrlFromWikiInfoPage(b, fn);
|
---|
1083 | if (url == null) {
|
---|
1084 | continue;
|
---|
1085 | }
|
---|
1086 | } else {
|
---|
1087 | url = Mediawiki.getImageUrl(b, fn);
|
---|
1088 | }
|
---|
1089 | result = getIfAvailableHttp(url, type);
|
---|
1090 | if (result != null) {
|
---|
1091 | break;
|
---|
1092 | }
|
---|
1093 | }
|
---|
1094 | return result;
|
---|
1095 | }
|
---|
1096 |
|
---|
1097 | /**
|
---|
1098 | * Internal implementation of the image request for images in Zip archives.
|
---|
1099 | *
|
---|
1100 | * @param fullName image file name
|
---|
1101 | * @param archive the archive to get image from
|
---|
1102 | * @param inArchiveDir directory of the image inside the archive or <code>null</code>
|
---|
1103 | * @param type data type of the image
|
---|
1104 | * @return the requested image or null if the request failed
|
---|
1105 | */
|
---|
1106 | private static ImageResource getIfAvailableZip(String fullName, File archive, String inArchiveDir, ImageType type) {
|
---|
1107 | try (ZipFile zipFile = new ZipFile(archive, StandardCharsets.UTF_8)) {
|
---|
1108 | if (inArchiveDir == null || ".".equals(inArchiveDir)) {
|
---|
1109 | inArchiveDir = "";
|
---|
1110 | } else if (!inArchiveDir.isEmpty()) {
|
---|
1111 | inArchiveDir += '/';
|
---|
1112 | }
|
---|
1113 | String entryName = inArchiveDir + fullName;
|
---|
1114 | ZipEntry entry = zipFile.getEntry(entryName);
|
---|
1115 | if (entry != null) {
|
---|
1116 | int size = (int) entry.getSize();
|
---|
1117 | int offs = 0;
|
---|
1118 | byte[] buf = new byte[size];
|
---|
1119 | try (InputStream is = zipFile.getInputStream(entry)) {
|
---|
1120 | switch (type) {
|
---|
1121 | case SVG:
|
---|
1122 | SVGDiagram svg = null;
|
---|
1123 | synchronized (getSvgUniverse()) {
|
---|
1124 | URI uri = getSvgUniverse().loadSVG(is, entryName);
|
---|
1125 | svg = getSvgUniverse().getDiagram(uri);
|
---|
1126 | }
|
---|
1127 | return svg == null ? null : new ImageResource(svg);
|
---|
1128 | case OTHER:
|
---|
1129 | while (size > 0) {
|
---|
1130 | int l = is.read(buf, offs, size);
|
---|
1131 | offs += l;
|
---|
1132 | size -= l;
|
---|
1133 | }
|
---|
1134 | BufferedImage img = null;
|
---|
1135 | try {
|
---|
1136 | img = read(new ByteArrayInputStream(buf), false, false);
|
---|
1137 | } catch (IOException | UnsatisfiedLinkError e) {
|
---|
1138 | Logging.warn(e);
|
---|
1139 | }
|
---|
1140 | return img == null ? null : new ImageResource(img);
|
---|
1141 | default:
|
---|
1142 | throw new AssertionError("Unknown ImageType: "+type);
|
---|
1143 | }
|
---|
1144 | }
|
---|
1145 | }
|
---|
1146 | } catch (IOException | UnsatisfiedLinkError e) {
|
---|
1147 | Logging.log(Logging.LEVEL_WARN, tr("Failed to handle zip file ''{0}''. Exception was: {1}", archive.getName(), e.toString()), e);
|
---|
1148 | }
|
---|
1149 | return null;
|
---|
1150 | }
|
---|
1151 |
|
---|
1152 | /**
|
---|
1153 | * Internal implementation of the image request for local images.
|
---|
1154 | *
|
---|
1155 | * @param path image file path
|
---|
1156 | * @param type data type of the image
|
---|
1157 | * @return the requested image or null if the request failed
|
---|
1158 | */
|
---|
1159 | private static ImageResource getIfAvailableLocalURL(URL path, ImageType type) {
|
---|
1160 | switch (type) {
|
---|
1161 | case SVG:
|
---|
1162 | SVGDiagram svg = null;
|
---|
1163 | synchronized (getSvgUniverse()) {
|
---|
1164 | try {
|
---|
1165 | URI uri = null;
|
---|
1166 | try {
|
---|
1167 | uri = getSvgUniverse().loadSVG(path);
|
---|
1168 | } catch (InvalidPathException e) {
|
---|
1169 | Logging.error("Cannot open {0}: {1}", path, e.getMessage());
|
---|
1170 | Logging.trace(e);
|
---|
1171 | }
|
---|
1172 | if (uri == null && "jar".equals(path.getProtocol())) {
|
---|
1173 | URL betterPath = Utils.betterJarUrl(path);
|
---|
1174 | if (betterPath != null) {
|
---|
1175 | uri = getSvgUniverse().loadSVG(betterPath);
|
---|
1176 | }
|
---|
1177 | }
|
---|
1178 | svg = getSvgUniverse().getDiagram(uri);
|
---|
1179 | } catch (SecurityException | IOException e) {
|
---|
1180 | Logging.log(Logging.LEVEL_WARN, "Unable to read SVG", e);
|
---|
1181 | }
|
---|
1182 | }
|
---|
1183 | return svg == null ? null : new ImageResource(svg);
|
---|
1184 | case OTHER:
|
---|
1185 | BufferedImage img = null;
|
---|
1186 | try {
|
---|
1187 | // See #10479: for PNG files, always enforce transparency to be sure tNRS chunk is used even not in paletted mode
|
---|
1188 | // This can be removed if someday Oracle fixes https://bugs.openjdk.java.net/browse/JDK-6788458
|
---|
1189 | // hg.openjdk.java.net/jdk8u/jdk8u/jdk/file/dc4322602480/src/share/classes/com/sun/imageio/plugins/png/PNGImageReader.java#l656
|
---|
1190 | img = read(path, false, true);
|
---|
1191 | if (Logging.isDebugEnabled() && isTransparencyForced(img)) {
|
---|
1192 | Logging.debug("Transparency has been forced for image {0}", path);
|
---|
1193 | }
|
---|
1194 | } catch (IOException | UnsatisfiedLinkError e) {
|
---|
1195 | Logging.log(Logging.LEVEL_WARN, "Unable to read image", e);
|
---|
1196 | Logging.debug(e);
|
---|
1197 | }
|
---|
1198 | return img == null ? null : new ImageResource(img);
|
---|
1199 | default:
|
---|
1200 | throw new AssertionError();
|
---|
1201 | }
|
---|
1202 | }
|
---|
1203 |
|
---|
1204 | private static URL getImageUrl(String path, String name) {
|
---|
1205 | if (path != null && path.startsWith("resource://")) {
|
---|
1206 | return ResourceProvider.getResource(path.substring("resource://".length()) + name);
|
---|
1207 | } else {
|
---|
1208 | File f = new File(path, name);
|
---|
1209 | try {
|
---|
1210 | if ((path != null || f.isAbsolute()) && f.exists())
|
---|
1211 | return Utils.fileToURL(f);
|
---|
1212 | } catch (SecurityException e) {
|
---|
1213 | Logging.log(Logging.LEVEL_ERROR, "Unable to access image", e);
|
---|
1214 | }
|
---|
1215 | }
|
---|
1216 | return null;
|
---|
1217 | }
|
---|
1218 |
|
---|
1219 | private URL getImageUrl(String imageName) {
|
---|
1220 | URL u;
|
---|
1221 |
|
---|
1222 | // Try passed directories first
|
---|
1223 | if (dirs != null) {
|
---|
1224 | for (String name : dirs) {
|
---|
1225 | try {
|
---|
1226 | u = getImageUrl(name, imageName);
|
---|
1227 | if (u != null)
|
---|
1228 | return u;
|
---|
1229 | } catch (SecurityException e) {
|
---|
1230 | Logging.log(Logging.LEVEL_WARN, tr(
|
---|
1231 | "Failed to access directory ''{0}'' for security reasons. Exception was: {1}",
|
---|
1232 | name, e.toString()), e);
|
---|
1233 | }
|
---|
1234 |
|
---|
1235 | }
|
---|
1236 | }
|
---|
1237 | // Try user-data directory
|
---|
1238 | if (Config.getDirs() != null) {
|
---|
1239 | File file = new File(Config.getDirs().getUserDataDirectory(false), "images");
|
---|
1240 | String dir = file.getPath();
|
---|
1241 | try {
|
---|
1242 | dir = file.getAbsolutePath();
|
---|
1243 | } catch (SecurityException e) {
|
---|
1244 | Logging.debug(e);
|
---|
1245 | }
|
---|
1246 | try {
|
---|
1247 | u = getImageUrl(dir, imageName);
|
---|
1248 | if (u != null)
|
---|
1249 | return u;
|
---|
1250 | } catch (SecurityException e) {
|
---|
1251 | Logging.log(Logging.LEVEL_WARN, tr(
|
---|
1252 | "Failed to access directory ''{0}'' for security reasons. Exception was: {1}", dir, e
|
---|
1253 | .toString()), e);
|
---|
1254 | }
|
---|
1255 | }
|
---|
1256 |
|
---|
1257 | // Absolute path?
|
---|
1258 | u = getImageUrl(null, imageName);
|
---|
1259 | if (u != null)
|
---|
1260 | return u;
|
---|
1261 |
|
---|
1262 | // Try plugins and josm classloader
|
---|
1263 | u = getImageUrl("resource://images/", imageName);
|
---|
1264 | if (u != null)
|
---|
1265 | return u;
|
---|
1266 |
|
---|
1267 | // Try all other resource directories
|
---|
1268 | for (String location : Preferences.getAllPossiblePreferenceDirs()) {
|
---|
1269 | u = getImageUrl(location + "images", imageName);
|
---|
1270 | if (u != null)
|
---|
1271 | return u;
|
---|
1272 | u = getImageUrl(location, imageName);
|
---|
1273 | if (u != null)
|
---|
1274 | return u;
|
---|
1275 | }
|
---|
1276 |
|
---|
1277 | return null;
|
---|
1278 | }
|
---|
1279 |
|
---|
1280 | /**
|
---|
1281 | * Reads the wiki page on a certain file in html format in order to find the real image URL.
|
---|
1282 | *
|
---|
1283 | * @param base base URL for Wiki image
|
---|
1284 | * @param fn filename of the Wiki image
|
---|
1285 | * @return image URL for a Wiki image or null in case of error
|
---|
1286 | */
|
---|
1287 | private static String getImgUrlFromWikiInfoPage(final String base, final String fn) {
|
---|
1288 | try {
|
---|
1289 | final XMLReader parser = XmlUtils.newSafeSAXParser().getXMLReader();
|
---|
1290 | parser.setContentHandler(new DefaultHandler() {
|
---|
1291 | @Override
|
---|
1292 | public void startElement(String uri, String localName, String qName, Attributes atts) throws SAXException {
|
---|
1293 | if ("img".equalsIgnoreCase(localName)) {
|
---|
1294 | String val = atts.getValue("src");
|
---|
1295 | if (val.endsWith(fn))
|
---|
1296 | throw new SAXReturnException(val); // parsing done, quit early
|
---|
1297 | }
|
---|
1298 | }
|
---|
1299 | });
|
---|
1300 |
|
---|
1301 | parser.setEntityResolver((publicId, systemId) -> new InputSource(new ByteArrayInputStream(new byte[0])));
|
---|
1302 |
|
---|
1303 | try (CachedFile cf = new CachedFile(base + fn).setDestDir(
|
---|
1304 | new File(Config.getDirs().getUserDataDirectory(true), "images").getPath());
|
---|
1305 | InputStream is = cf.getInputStream()) {
|
---|
1306 | parser.parse(new InputSource(is));
|
---|
1307 | }
|
---|
1308 | } catch (SAXReturnException e) {
|
---|
1309 | Logging.trace(e);
|
---|
1310 | return e.getResult();
|
---|
1311 | } catch (IOException | SAXException | ParserConfigurationException e) {
|
---|
1312 | Logging.warn("Parsing " + base + fn + " failed:\n" + e);
|
---|
1313 | return null;
|
---|
1314 | }
|
---|
1315 | Logging.warn("Parsing " + base + fn + " failed: Unexpected content.");
|
---|
1316 | return null;
|
---|
1317 | }
|
---|
1318 |
|
---|
1319 | /**
|
---|
1320 | * Load a cursor with a given file name, optionally decorated with an overlay image.
|
---|
1321 | *
|
---|
1322 | * @param name the cursor image filename in "cursor" directory
|
---|
1323 | * @param overlay optional overlay image
|
---|
1324 | * @return cursor with a given file name, optionally decorated with an overlay image
|
---|
1325 | */
|
---|
1326 | public static Cursor getCursor(String name, String overlay) {
|
---|
1327 | if (GraphicsEnvironment.isHeadless()) {
|
---|
1328 | Logging.debug("Cursors are not available in headless mode. Returning null for ''{0}''", name);
|
---|
1329 | return null;
|
---|
1330 | }
|
---|
1331 |
|
---|
1332 | Point hotSpot = new Point();
|
---|
1333 | Image image = getCursorImage(name, overlay, dim -> Toolkit.getDefaultToolkit().getBestCursorSize(dim.width, dim.height), hotSpot);
|
---|
1334 |
|
---|
1335 | return Toolkit.getDefaultToolkit().createCustomCursor(image, hotSpot, name);
|
---|
1336 | }
|
---|
1337 |
|
---|
1338 | /**
|
---|
1339 | * The cursor hotspot constants {@link #DEFAULT_HOTSPOT} and {@link #CROSSHAIR_HOTSPOT} are relative to this cursor size
|
---|
1340 | */
|
---|
1341 | protected static final int CURSOR_SIZE_HOTSPOT_IS_RELATIVE_TO = 32;
|
---|
1342 | private static final Point DEFAULT_HOTSPOT = new Point(3, 2); // FIXME: define better hotspot for rotate.png
|
---|
1343 | private static final Point CROSSHAIR_HOTSPOT = new Point(10, 10);
|
---|
1344 |
|
---|
1345 | /**
|
---|
1346 | * Load a cursor image with a given file name, optionally decorated with an overlay image
|
---|
1347 | *
|
---|
1348 | * @param name the cursor image filename in "cursor" directory
|
---|
1349 | * @param overlay optional overlay image
|
---|
1350 | * @param bestCursorSizeFunction computes the best cursor size, see {@link Toolkit#getBestCursorSize(int, int)}
|
---|
1351 | * @param hotSpot will be set to the properly scaled hotspot of the cursor
|
---|
1352 | * @return cursor with a given file name, optionally decorated with an overlay image
|
---|
1353 | */
|
---|
1354 | static Image getCursorImage(String name, String overlay, UnaryOperator<Dimension> bestCursorSizeFunction, /* out */ Point hotSpot) {
|
---|
1355 | ImageProvider imageProvider = new ImageProvider("cursor", name);
|
---|
1356 | if (overlay != null) {
|
---|
1357 | imageProvider
|
---|
1358 | .setMaxSize(ImageSizes.CURSOR)
|
---|
1359 | .addOverlay(new ImageOverlay(new ImageProvider("cursor/modifier/" + overlay)
|
---|
1360 | .setMaxSize(ImageSizes.CURSOROVERLAY)));
|
---|
1361 | }
|
---|
1362 | ImageIcon imageIcon = imageProvider.get();
|
---|
1363 | Image image = imageIcon.getImage();
|
---|
1364 | int width = image.getWidth(null);
|
---|
1365 | int height = image.getHeight(null);
|
---|
1366 |
|
---|
1367 | // AWT will resize the cursor to bestCursorSize internally anyway, but miss to scale the hotspot as well
|
---|
1368 | // (bug JDK-8238734). So let's do this ourselves, and also scale the hotspot accordingly.
|
---|
1369 | Dimension bestCursorSize = bestCursorSizeFunction.apply(new Dimension(width, height));
|
---|
1370 | if (bestCursorSize.width != 0 && bestCursorSize.height != 0) {
|
---|
1371 | // In principle, we could pass the MultiResolutionImage itself to AWT, but due to bug JDK-8240568,
|
---|
1372 | // this results in bad alpha blending and thus jaggy edges. So let's select the best variant ourselves.
|
---|
1373 | image = HiDPISupport.getResolutionVariant(image, bestCursorSize.width, bestCursorSize.height);
|
---|
1374 | if (bestCursorSize.width != image.getWidth(null) || bestCursorSize.height != image.getHeight(null)) {
|
---|
1375 | image = image.getScaledInstance(bestCursorSize.width, bestCursorSize.height, Image.SCALE_DEFAULT);
|
---|
1376 | }
|
---|
1377 | }
|
---|
1378 |
|
---|
1379 | hotSpot.setLocation("crosshair".equals(name) ? CROSSHAIR_HOTSPOT : DEFAULT_HOTSPOT);
|
---|
1380 | hotSpot.x = hotSpot.x * image.getWidth(null) / CURSOR_SIZE_HOTSPOT_IS_RELATIVE_TO;
|
---|
1381 | hotSpot.y = hotSpot.y * image.getHeight(null) / CURSOR_SIZE_HOTSPOT_IS_RELATIVE_TO;
|
---|
1382 |
|
---|
1383 | return image;
|
---|
1384 | }
|
---|
1385 |
|
---|
1386 | /**
|
---|
1387 | * Creates a scaled down version of the input image to fit maximum dimensions. (Keeps aspect ratio)
|
---|
1388 | *
|
---|
1389 | * @param img the image to be scaled down.
|
---|
1390 | * @param maxSize the maximum size in pixels (both for width and height)
|
---|
1391 | *
|
---|
1392 | * @return the image after scaling.
|
---|
1393 | * @since 6172
|
---|
1394 | */
|
---|
1395 | public static Image createBoundedImage(Image img, int maxSize) {
|
---|
1396 | return new ImageResource(img).getImageIconBounded(new Dimension(maxSize, maxSize)).getImage();
|
---|
1397 | }
|
---|
1398 |
|
---|
1399 | /**
|
---|
1400 | * Returns a scaled instance of the provided {@code BufferedImage}.
|
---|
1401 | * This method will use a multi-step scaling technique that provides higher quality than the usual
|
---|
1402 | * one-step technique (only useful in downscaling cases, where {@code targetWidth} or {@code targetHeight} is
|
---|
1403 | * smaller than the original dimensions, and generally only when the {@code BILINEAR} hint is specified).
|
---|
1404 | *
|
---|
1405 | * From https://community.oracle.com/docs/DOC-983611: "The Perils of Image.getScaledInstance()"
|
---|
1406 | *
|
---|
1407 | * @param img the original image to be scaled
|
---|
1408 | * @param targetWidth the desired width of the scaled instance, in pixels
|
---|
1409 | * @param targetHeight the desired height of the scaled instance, in pixels
|
---|
1410 | * @param hint one of the rendering hints that corresponds to
|
---|
1411 | * {@code RenderingHints.KEY_INTERPOLATION} (e.g.
|
---|
1412 | * {@code RenderingHints.VALUE_INTERPOLATION_NEAREST_NEIGHBOR},
|
---|
1413 | * {@code RenderingHints.VALUE_INTERPOLATION_BILINEAR},
|
---|
1414 | * {@code RenderingHints.VALUE_INTERPOLATION_BICUBIC})
|
---|
1415 | * @return a scaled version of the original {@code BufferedImage}
|
---|
1416 | * @since 13038
|
---|
1417 | */
|
---|
1418 | public static BufferedImage createScaledImage(BufferedImage img, int targetWidth, int targetHeight, Object hint) {
|
---|
1419 | int type = (img.getTransparency() == Transparency.OPAQUE) ? BufferedImage.TYPE_INT_RGB : BufferedImage.TYPE_INT_ARGB;
|
---|
1420 | // start with original size, then scale down in multiple passes with drawImage() until the target size is reached
|
---|
1421 | BufferedImage ret = img;
|
---|
1422 | int w = img.getWidth(null);
|
---|
1423 | int h = img.getHeight(null);
|
---|
1424 | do {
|
---|
1425 | if (w > targetWidth) {
|
---|
1426 | w /= 2;
|
---|
1427 | }
|
---|
1428 | if (w < targetWidth) {
|
---|
1429 | w = targetWidth;
|
---|
1430 | }
|
---|
1431 | if (h > targetHeight) {
|
---|
1432 | h /= 2;
|
---|
1433 | }
|
---|
1434 | if (h < targetHeight) {
|
---|
1435 | h = targetHeight;
|
---|
1436 | }
|
---|
1437 | BufferedImage tmp = new BufferedImage(w, h, type);
|
---|
1438 | Graphics2D g2 = tmp.createGraphics();
|
---|
1439 | g2.setRenderingHint(RenderingHints.KEY_INTERPOLATION, hint);
|
---|
1440 | g2.drawImage(ret, 0, 0, w, h, null);
|
---|
1441 | g2.dispose();
|
---|
1442 | ret = tmp;
|
---|
1443 | } while (w != targetWidth || h != targetHeight);
|
---|
1444 | return ret;
|
---|
1445 | }
|
---|
1446 |
|
---|
1447 | /**
|
---|
1448 | * Replies the icon for an OSM primitive type
|
---|
1449 | * @param type the type
|
---|
1450 | * @return the icon
|
---|
1451 | */
|
---|
1452 | public static ImageIcon get(OsmPrimitiveType type) {
|
---|
1453 | CheckParameterUtil.ensureParameterNotNull(type, "type");
|
---|
1454 | synchronized (osmPrimitiveTypeCache) {
|
---|
1455 | return osmPrimitiveTypeCache.computeIfAbsent(type, t -> get("data", t.getAPIName()));
|
---|
1456 | }
|
---|
1457 | }
|
---|
1458 |
|
---|
1459 | /**
|
---|
1460 | * Returns an {@link ImageIcon} for the given OSM object, at the specified size.
|
---|
1461 | * This is a slow operation.
|
---|
1462 | * @param primitive Object for which an icon shall be fetched. The icon is chosen based on tags.
|
---|
1463 | * @param iconSize Target size of icon. Icon is padded if required.
|
---|
1464 | * @return Icon for {@code primitive} that fits in cell.
|
---|
1465 | * @since 8903
|
---|
1466 | */
|
---|
1467 | public static ImageIcon getPadded(OsmPrimitive primitive, Dimension iconSize) {
|
---|
1468 | if (iconSize.width <= 0 || iconSize.height <= 0) {
|
---|
1469 | return null;
|
---|
1470 | }
|
---|
1471 | ImageResource resource = OsmPrimitiveImageProvider.getResource(primitive, OsmPrimitiveImageProvider.Options.DEFAULT);
|
---|
1472 | return resource != null ? resource.getPaddedIcon(iconSize) : null;
|
---|
1473 | }
|
---|
1474 |
|
---|
1475 | /**
|
---|
1476 | * Constructs an image from the given SVG data.
|
---|
1477 | * @param svg the SVG data
|
---|
1478 | * @param dim the desired image dimension
|
---|
1479 | * @param resizeMode how to size/resize the image
|
---|
1480 | * @return an image from the given SVG data at the desired dimension.
|
---|
1481 | */
|
---|
1482 | static BufferedImage createImageFromSvg(SVGDiagram svg, Dimension dim, ImageResizeMode resizeMode) {
|
---|
1483 | if (Logging.isTraceEnabled()) {
|
---|
1484 | Logging.trace("createImageFromSvg: {0} {1}", svg.getXMLBase(), dim);
|
---|
1485 | }
|
---|
1486 | final float sourceWidth = svg.getWidth();
|
---|
1487 | final float sourceHeight = svg.getHeight();
|
---|
1488 | if (sourceWidth <= 0 || sourceHeight <= 0) {
|
---|
1489 | Logging.error("createImageFromSvg: {0} {1} sourceWidth={2} sourceHeight={3}", svg.getXMLBase(), dim, sourceWidth, sourceHeight);
|
---|
1490 | return null;
|
---|
1491 | }
|
---|
1492 | return resizeMode.createBufferedImage(dim, new Dimension((int) sourceWidth, (int) sourceHeight), g -> {
|
---|
1493 | try {
|
---|
1494 | synchronized (getSvgUniverse()) {
|
---|
1495 | svg.render(g);
|
---|
1496 | }
|
---|
1497 | } catch (SVGException ex) {
|
---|
1498 | Logging.log(Logging.LEVEL_ERROR, "Unable to load svg:", ex);
|
---|
1499 | }
|
---|
1500 | }, null);
|
---|
1501 | }
|
---|
1502 |
|
---|
1503 | private static synchronized SVGUniverse getSvgUniverse() {
|
---|
1504 | if (svgUniverse == null) {
|
---|
1505 | svgUniverse = new SVGUniverse();
|
---|
1506 | // CVE-2017-5617: Allow only data scheme (see #14319)
|
---|
1507 | svgUniverse.setImageDataInlineOnly(true);
|
---|
1508 | }
|
---|
1509 | return svgUniverse;
|
---|
1510 | }
|
---|
1511 |
|
---|
1512 | /**
|
---|
1513 | * Returns a <code>BufferedImage</code> as the result of decoding
|
---|
1514 | * a supplied <code>File</code> with an <code>ImageReader</code>
|
---|
1515 | * chosen automatically from among those currently registered.
|
---|
1516 | * The <code>File</code> is wrapped in an
|
---|
1517 | * <code>ImageInputStream</code>. If no registered
|
---|
1518 | * <code>ImageReader</code> claims to be able to read the
|
---|
1519 | * resulting stream, <code>null</code> is returned.
|
---|
1520 | *
|
---|
1521 | * <p> The current cache settings from <code>getUseCache</code>and
|
---|
1522 | * <code>getCacheDirectory</code> will be used to control caching in the
|
---|
1523 | * <code>ImageInputStream</code> that is created.
|
---|
1524 | *
|
---|
1525 | * <p> Note that there is no <code>read</code> method that takes a
|
---|
1526 | * filename as a <code>String</code>; use this method instead after
|
---|
1527 | * creating a <code>File</code> from the filename.
|
---|
1528 | *
|
---|
1529 | * <p> This method does not attempt to locate
|
---|
1530 | * <code>ImageReader</code>s that can read directly from a
|
---|
1531 | * <code>File</code>; that may be accomplished using
|
---|
1532 | * <code>IIORegistry</code> and <code>ImageReaderSpi</code>.
|
---|
1533 | *
|
---|
1534 | * @param input a <code>File</code> to read from.
|
---|
1535 | * @param readMetadata if {@code true}, makes sure to read image metadata to detect transparency color, if any.
|
---|
1536 | * In that case the color can be retrieved later through {@link #PROP_TRANSPARENCY_COLOR}.
|
---|
1537 | * Always considered {@code true} if {@code enforceTransparency} is also {@code true}
|
---|
1538 | * @param enforceTransparency if {@code true}, makes sure to read image metadata and, if the image does not
|
---|
1539 | * provide an alpha channel but defines a {@code TransparentColor} metadata node, that the resulting image
|
---|
1540 | * has a transparency set to {@code TRANSLUCENT} and uses the correct transparent color.
|
---|
1541 | *
|
---|
1542 | * @return a <code>BufferedImage</code> containing the decoded contents of the input, or <code>null</code>.
|
---|
1543 | *
|
---|
1544 | * @throws IllegalArgumentException if <code>input</code> is <code>null</code>.
|
---|
1545 | * @throws IOException if an error occurs during reading.
|
---|
1546 | * @see BufferedImage#getProperty
|
---|
1547 | * @since 7132
|
---|
1548 | */
|
---|
1549 | public static BufferedImage read(File input, boolean readMetadata, boolean enforceTransparency) throws IOException {
|
---|
1550 | CheckParameterUtil.ensureParameterNotNull(input, "input");
|
---|
1551 | if (!input.canRead()) {
|
---|
1552 | throw new IIOException("Can't read input file!");
|
---|
1553 | }
|
---|
1554 |
|
---|
1555 | ImageInputStream stream = createImageInputStream(input); // NOPMD
|
---|
1556 | if (stream == null) {
|
---|
1557 | throw new IIOException("Can't create an ImageInputStream!");
|
---|
1558 | }
|
---|
1559 | BufferedImage bi = read(stream, readMetadata, enforceTransparency);
|
---|
1560 | if (bi == null) {
|
---|
1561 | stream.close();
|
---|
1562 | }
|
---|
1563 | return bi;
|
---|
1564 | }
|
---|
1565 |
|
---|
1566 | /**
|
---|
1567 | * Returns a <code>BufferedImage</code> as the result of decoding
|
---|
1568 | * a supplied <code>InputStream</code> with an <code>ImageReader</code>
|
---|
1569 | * chosen automatically from among those currently registered.
|
---|
1570 | * The <code>InputStream</code> is wrapped in an
|
---|
1571 | * <code>ImageInputStream</code>. If no registered
|
---|
1572 | * <code>ImageReader</code> claims to be able to read the
|
---|
1573 | * resulting stream, <code>null</code> is returned.
|
---|
1574 | *
|
---|
1575 | * <p> The current cache settings from <code>getUseCache</code>and
|
---|
1576 | * <code>getCacheDirectory</code> will be used to control caching in the
|
---|
1577 | * <code>ImageInputStream</code> that is created.
|
---|
1578 | *
|
---|
1579 | * <p> This method does not attempt to locate
|
---|
1580 | * <code>ImageReader</code>s that can read directly from an
|
---|
1581 | * <code>InputStream</code>; that may be accomplished using
|
---|
1582 | * <code>IIORegistry</code> and <code>ImageReaderSpi</code>.
|
---|
1583 | *
|
---|
1584 | * <p> This method <em>does not</em> close the provided
|
---|
1585 | * <code>InputStream</code> after the read operation has completed;
|
---|
1586 | * it is the responsibility of the caller to close the stream, if desired.
|
---|
1587 | *
|
---|
1588 | * @param input an <code>InputStream</code> to read from.
|
---|
1589 | * @param readMetadata if {@code true}, makes sure to read image metadata to detect transparency color for non translucent images, if any.
|
---|
1590 | * In that case the color can be retrieved later through {@link #PROP_TRANSPARENCY_COLOR}.
|
---|
1591 | * Always considered {@code true} if {@code enforceTransparency} is also {@code true}
|
---|
1592 | * @param enforceTransparency if {@code true}, makes sure to read image metadata and, if the image does not
|
---|
1593 | * provide an alpha channel but defines a {@code TransparentColor} metadata node, that the resulting image
|
---|
1594 | * has a transparency set to {@code TRANSLUCENT} and uses the correct transparent color.
|
---|
1595 | *
|
---|
1596 | * @return a <code>BufferedImage</code> containing the decoded contents of the input, or <code>null</code>.
|
---|
1597 | *
|
---|
1598 | * @throws IllegalArgumentException if <code>input</code> is <code>null</code>.
|
---|
1599 | * @throws IOException if an error occurs during reading.
|
---|
1600 | * @since 7132
|
---|
1601 | */
|
---|
1602 | public static BufferedImage read(InputStream input, boolean readMetadata, boolean enforceTransparency) throws IOException {
|
---|
1603 | CheckParameterUtil.ensureParameterNotNull(input, "input");
|
---|
1604 |
|
---|
1605 | ImageInputStream stream = createImageInputStream(input); // NOPMD
|
---|
1606 | BufferedImage bi = read(stream, readMetadata, enforceTransparency);
|
---|
1607 | if (bi == null) {
|
---|
1608 | stream.close();
|
---|
1609 | }
|
---|
1610 | return bi;
|
---|
1611 | }
|
---|
1612 |
|
---|
1613 | /**
|
---|
1614 | * Returns a <code>BufferedImage</code> as the result of decoding
|
---|
1615 | * a supplied <code>URL</code> with an <code>ImageReader</code>
|
---|
1616 | * chosen automatically from among those currently registered. An
|
---|
1617 | * <code>InputStream</code> is obtained from the <code>URL</code>,
|
---|
1618 | * which is wrapped in an <code>ImageInputStream</code>. If no
|
---|
1619 | * registered <code>ImageReader</code> claims to be able to read
|
---|
1620 | * the resulting stream, <code>null</code> is returned.
|
---|
1621 | *
|
---|
1622 | * <p> The current cache settings from <code>getUseCache</code>and
|
---|
1623 | * <code>getCacheDirectory</code> will be used to control caching in the
|
---|
1624 | * <code>ImageInputStream</code> that is created.
|
---|
1625 | *
|
---|
1626 | * <p> This method does not attempt to locate
|
---|
1627 | * <code>ImageReader</code>s that can read directly from a
|
---|
1628 | * <code>URL</code>; that may be accomplished using
|
---|
1629 | * <code>IIORegistry</code> and <code>ImageReaderSpi</code>.
|
---|
1630 | *
|
---|
1631 | * @param input a <code>URL</code> to read from.
|
---|
1632 | * @param readMetadata if {@code true}, makes sure to read image metadata to detect transparency color for non translucent images, if any.
|
---|
1633 | * In that case the color can be retrieved later through {@link #PROP_TRANSPARENCY_COLOR}.
|
---|
1634 | * Always considered {@code true} if {@code enforceTransparency} is also {@code true}
|
---|
1635 | * @param enforceTransparency if {@code true}, makes sure to read image metadata and, if the image does not
|
---|
1636 | * provide an alpha channel but defines a {@code TransparentColor} metadata node, that the resulting image
|
---|
1637 | * has a transparency set to {@code TRANSLUCENT} and uses the correct transparent color.
|
---|
1638 | *
|
---|
1639 | * @return a <code>BufferedImage</code> containing the decoded contents of the input, or <code>null</code>.
|
---|
1640 | *
|
---|
1641 | * @throws IllegalArgumentException if <code>input</code> is <code>null</code>.
|
---|
1642 | * @throws IOException if an error occurs during reading.
|
---|
1643 | * @since 7132
|
---|
1644 | */
|
---|
1645 | public static BufferedImage read(URL input, boolean readMetadata, boolean enforceTransparency) throws IOException {
|
---|
1646 | CheckParameterUtil.ensureParameterNotNull(input, "input");
|
---|
1647 |
|
---|
1648 | try (InputStream istream = Utils.openStream(input)) {
|
---|
1649 | ImageInputStream stream = createImageInputStream(istream); // NOPMD
|
---|
1650 | BufferedImage bi = read(stream, readMetadata, enforceTransparency);
|
---|
1651 | if (bi == null) {
|
---|
1652 | stream.close();
|
---|
1653 | }
|
---|
1654 | return bi;
|
---|
1655 | } catch (SecurityException e) {
|
---|
1656 | throw new IOException(e);
|
---|
1657 | }
|
---|
1658 | }
|
---|
1659 |
|
---|
1660 | /**
|
---|
1661 | * Returns a <code>BufferedImage</code> as the result of decoding
|
---|
1662 | * a supplied <code>ImageInputStream</code> with an
|
---|
1663 | * <code>ImageReader</code> chosen automatically from among those
|
---|
1664 | * currently registered. If no registered
|
---|
1665 | * <code>ImageReader</code> claims to be able to read the stream,
|
---|
1666 | * <code>null</code> is returned.
|
---|
1667 | *
|
---|
1668 | * <p> Unlike most other methods in this class, this method <em>does</em>
|
---|
1669 | * close the provided <code>ImageInputStream</code> after the read
|
---|
1670 | * operation has completed, unless <code>null</code> is returned,
|
---|
1671 | * in which case this method <em>does not</em> close the stream.
|
---|
1672 | *
|
---|
1673 | * @param stream an <code>ImageInputStream</code> to read from.
|
---|
1674 | * @param readMetadata if {@code true}, makes sure to read image metadata to detect transparency color for non translucent images, if any.
|
---|
1675 | * In that case the color can be retrieved later through {@link #PROP_TRANSPARENCY_COLOR}.
|
---|
1676 | * Always considered {@code true} if {@code enforceTransparency} is also {@code true}
|
---|
1677 | * @param enforceTransparency if {@code true}, makes sure to read image metadata and, if the image does not
|
---|
1678 | * provide an alpha channel but defines a {@code TransparentColor} metadata node, that the resulting image
|
---|
1679 | * has a transparency set to {@code TRANSLUCENT} and uses the correct transparent color. For Java < 11 only.
|
---|
1680 | *
|
---|
1681 | * @return a <code>BufferedImage</code> containing the decoded
|
---|
1682 | * contents of the input, or <code>null</code>.
|
---|
1683 | *
|
---|
1684 | * @throws IllegalArgumentException if <code>stream</code> is <code>null</code>.
|
---|
1685 | * @throws IOException if an error occurs during reading.
|
---|
1686 | * @since 7132
|
---|
1687 | */
|
---|
1688 | public static BufferedImage read(ImageInputStream stream, boolean readMetadata, boolean enforceTransparency) throws IOException {
|
---|
1689 | CheckParameterUtil.ensureParameterNotNull(stream, "stream");
|
---|
1690 |
|
---|
1691 | Iterator<ImageReader> iter = ImageIO.getImageReaders(stream);
|
---|
1692 | if (!iter.hasNext()) {
|
---|
1693 | return null;
|
---|
1694 | }
|
---|
1695 |
|
---|
1696 | ImageReader reader = iter.next();
|
---|
1697 | ImageReadParam param = reader.getDefaultReadParam();
|
---|
1698 | reader.setInput(stream, true, !readMetadata && !enforceTransparency);
|
---|
1699 | BufferedImage bi = null;
|
---|
1700 | try { // NOPMD
|
---|
1701 | bi = reader.read(0, param);
|
---|
1702 | if (bi.getTransparency() != Transparency.TRANSLUCENT && (readMetadata || enforceTransparency) && Utils.getJavaVersion() < 11) {
|
---|
1703 | Color color = getTransparentColor(bi.getColorModel(), reader);
|
---|
1704 | if (color != null) {
|
---|
1705 | Hashtable<String, Object> properties = new Hashtable<>(1);
|
---|
1706 | properties.put(PROP_TRANSPARENCY_COLOR, color);
|
---|
1707 | bi = new BufferedImage(bi.getColorModel(), bi.getRaster(), bi.isAlphaPremultiplied(), properties);
|
---|
1708 | if (enforceTransparency) {
|
---|
1709 | Logging.trace("Enforcing image transparency of {0} for {1}", stream, color);
|
---|
1710 | bi = makeImageTransparent(bi, color);
|
---|
1711 | }
|
---|
1712 | }
|
---|
1713 | }
|
---|
1714 | } catch (LinkageError e) {
|
---|
1715 | // On Windows, ComponentColorModel.getRGBComponent can fail with "UnsatisfiedLinkError: no awt in java.library.path", see #13973
|
---|
1716 | // Then it can leads to "NoClassDefFoundError: Could not initialize class sun.awt.image.ShortInterleavedRaster", see #15079
|
---|
1717 | Logging.error(e);
|
---|
1718 | } finally {
|
---|
1719 | reader.dispose();
|
---|
1720 | stream.close();
|
---|
1721 | }
|
---|
1722 | return bi;
|
---|
1723 | }
|
---|
1724 |
|
---|
1725 | // CHECKSTYLE.OFF: LineLength
|
---|
1726 |
|
---|
1727 | /**
|
---|
1728 | * Returns the {@code TransparentColor} defined in image reader metadata.
|
---|
1729 | * @param model The image color model
|
---|
1730 | * @param reader The image reader
|
---|
1731 | * @return the {@code TransparentColor} defined in image reader metadata, or {@code null}
|
---|
1732 | * @throws IOException if an error occurs during reading
|
---|
1733 | * @see <a href="https://docs.oracle.com/javase/8/docs/api/javax/imageio/metadata/doc-files/standard_metadata.html">javax_imageio_1.0 metadata</a>
|
---|
1734 | * @since 7499
|
---|
1735 | */
|
---|
1736 | public static Color getTransparentColor(ColorModel model, ImageReader reader) throws IOException {
|
---|
1737 | // CHECKSTYLE.ON: LineLength
|
---|
1738 | try {
|
---|
1739 | IIOMetadata metadata = reader.getImageMetadata(0);
|
---|
1740 | if (metadata != null) {
|
---|
1741 | String[] formats = metadata.getMetadataFormatNames();
|
---|
1742 | if (formats != null) {
|
---|
1743 | for (String f : formats) {
|
---|
1744 | if ("javax_imageio_1.0".equals(f)) {
|
---|
1745 | Node root = metadata.getAsTree(f);
|
---|
1746 | if (root instanceof Element) {
|
---|
1747 | NodeList list = ((Element) root).getElementsByTagName("TransparentColor");
|
---|
1748 | if (list.getLength() > 0) {
|
---|
1749 | Node item = list.item(0);
|
---|
1750 | if (item instanceof Element) {
|
---|
1751 | // Handle different color spaces (tested with RGB and grayscale)
|
---|
1752 | String value = ((Element) item).getAttribute("value");
|
---|
1753 | if (!value.isEmpty()) {
|
---|
1754 | String[] s = value.split(" ", -1);
|
---|
1755 | if (s.length == 3) {
|
---|
1756 | return parseRGB(s);
|
---|
1757 | } else if (s.length == 1) {
|
---|
1758 | int pixel = Integer.parseInt(s[0]);
|
---|
1759 | int r = model.getRed(pixel);
|
---|
1760 | int g = model.getGreen(pixel);
|
---|
1761 | int b = model.getBlue(pixel);
|
---|
1762 | return new Color(r, g, b);
|
---|
1763 | } else {
|
---|
1764 | Logging.warn("Unable to translate TransparentColor '"+value+"' with color model "+model);
|
---|
1765 | }
|
---|
1766 | }
|
---|
1767 | }
|
---|
1768 | }
|
---|
1769 | }
|
---|
1770 | break;
|
---|
1771 | }
|
---|
1772 | }
|
---|
1773 | }
|
---|
1774 | }
|
---|
1775 | } catch (IIOException | NumberFormatException e) {
|
---|
1776 | // JAI doesn't like some JPEG files with error "Inconsistent metadata read from stream" (see #10267)
|
---|
1777 | Logging.warn(e);
|
---|
1778 | }
|
---|
1779 | return null;
|
---|
1780 | }
|
---|
1781 |
|
---|
1782 | private static Color parseRGB(String... s) {
|
---|
1783 | try {
|
---|
1784 | int[] rgb = IntStream.range(0, 3).map(i -> Integer.parseInt(s[i])).toArray();
|
---|
1785 | return new Color(rgb[0], rgb[1], rgb[2]);
|
---|
1786 | } catch (IllegalArgumentException e) {
|
---|
1787 | Logging.error(e);
|
---|
1788 | return null;
|
---|
1789 | }
|
---|
1790 | }
|
---|
1791 |
|
---|
1792 | /**
|
---|
1793 | * Returns a transparent version of the given image, based on the given transparent color.
|
---|
1794 | * @param bi The image to convert
|
---|
1795 | * @param color The transparent color
|
---|
1796 | * @return The same image as {@code bi} where all pixels of the given color are transparent.
|
---|
1797 | * This resulting image has also the special property {@link #PROP_TRANSPARENCY_FORCED} set to {@code color}
|
---|
1798 | * @see BufferedImage#getProperty
|
---|
1799 | * @see #isTransparencyForced
|
---|
1800 | * @since 7132
|
---|
1801 | */
|
---|
1802 | public static BufferedImage makeImageTransparent(BufferedImage bi, Color color) {
|
---|
1803 | // the color we are looking for. Alpha bits are set to opaque
|
---|
1804 | final int markerRGB = color.getRGB() | 0xFF000000;
|
---|
1805 | ImageFilter filter = new RGBImageFilter() {
|
---|
1806 | @Override
|
---|
1807 | public int filterRGB(int x, int y, int rgb) {
|
---|
1808 | if ((rgb | 0xFF000000) == markerRGB) {
|
---|
1809 | // Mark the alpha bits as zero - transparent
|
---|
1810 | return 0x00FFFFFF & rgb;
|
---|
1811 | } else {
|
---|
1812 | return rgb;
|
---|
1813 | }
|
---|
1814 | }
|
---|
1815 | };
|
---|
1816 | ImageProducer ip = new FilteredImageSource(bi.getSource(), filter);
|
---|
1817 | Image img = Toolkit.getDefaultToolkit().createImage(ip);
|
---|
1818 | ColorModel colorModel = ColorModel.getRGBdefault();
|
---|
1819 | WritableRaster raster = colorModel.createCompatibleWritableRaster(img.getWidth(null), img.getHeight(null));
|
---|
1820 | String[] names = bi.getPropertyNames();
|
---|
1821 | Hashtable<String, Object> properties = new Hashtable<>(1 + (names != null ? names.length : 0));
|
---|
1822 | if (names != null) {
|
---|
1823 | for (String name : names) {
|
---|
1824 | properties.put(name, bi.getProperty(name));
|
---|
1825 | }
|
---|
1826 | }
|
---|
1827 | properties.put(PROP_TRANSPARENCY_FORCED, Boolean.TRUE);
|
---|
1828 | BufferedImage result = new BufferedImage(colorModel, raster, false, properties);
|
---|
1829 | Graphics2D g2 = result.createGraphics();
|
---|
1830 | g2.drawImage(img, 0, 0, null);
|
---|
1831 | g2.dispose();
|
---|
1832 | return result;
|
---|
1833 | }
|
---|
1834 |
|
---|
1835 | /**
|
---|
1836 | * Determines if the transparency of the given {@code BufferedImage} has been enforced by a previous call to {@link #makeImageTransparent}.
|
---|
1837 | * @param bi The {@code BufferedImage} to test
|
---|
1838 | * @return {@code true} if the transparency of {@code bi} has been enforced by a previous call to {@code makeImageTransparent}.
|
---|
1839 | * @see #makeImageTransparent
|
---|
1840 | * @since 7132
|
---|
1841 | */
|
---|
1842 | public static boolean isTransparencyForced(BufferedImage bi) {
|
---|
1843 | return bi != null && !bi.getProperty(PROP_TRANSPARENCY_FORCED).equals(Image.UndefinedProperty);
|
---|
1844 | }
|
---|
1845 |
|
---|
1846 | /**
|
---|
1847 | * Determines if the given {@code BufferedImage} has a transparent color determined by a previous call to {@link #read}.
|
---|
1848 | * @param bi The {@code BufferedImage} to test
|
---|
1849 | * @return {@code true} if {@code bi} has a transparent color determined by a previous call to {@code read}.
|
---|
1850 | * @see #read
|
---|
1851 | * @since 7132
|
---|
1852 | */
|
---|
1853 | public static boolean hasTransparentColor(BufferedImage bi) {
|
---|
1854 | return bi != null && !bi.getProperty(PROP_TRANSPARENCY_COLOR).equals(Image.UndefinedProperty);
|
---|
1855 | }
|
---|
1856 |
|
---|
1857 | /**
|
---|
1858 | * Shutdown background image fetcher.
|
---|
1859 | * @param now if {@code true}, attempts to stop all actively executing tasks, halts the processing of waiting tasks.
|
---|
1860 | * if {@code false}, initiates an orderly shutdown in which previously submitted tasks are executed, but no new tasks will be accepted
|
---|
1861 | * @since 8412
|
---|
1862 | */
|
---|
1863 | public static void shutdown(boolean now) {
|
---|
1864 | try {
|
---|
1865 | if (now) {
|
---|
1866 | IMAGE_FETCHER.shutdownNow();
|
---|
1867 | } else {
|
---|
1868 | IMAGE_FETCHER.shutdown();
|
---|
1869 | }
|
---|
1870 | } catch (SecurityException ex) {
|
---|
1871 | Logging.log(Logging.LEVEL_ERROR, "Failed to shutdown background image fetcher.", ex);
|
---|
1872 | }
|
---|
1873 | }
|
---|
1874 |
|
---|
1875 | /**
|
---|
1876 | * Converts an {@link Image} to a {@link BufferedImage} instance.
|
---|
1877 | * @param image image to convert
|
---|
1878 | * @return a {@code BufferedImage} instance for the given {@code Image}.
|
---|
1879 | * @since 13038
|
---|
1880 | */
|
---|
1881 | public static BufferedImage toBufferedImage(Image image) {
|
---|
1882 | if (image instanceof BufferedImage) {
|
---|
1883 | return (BufferedImage) image;
|
---|
1884 | } else {
|
---|
1885 | BufferedImage buffImage = new BufferedImage(image.getWidth(null), image.getHeight(null), BufferedImage.TYPE_INT_ARGB);
|
---|
1886 | Graphics2D g2 = buffImage.createGraphics();
|
---|
1887 | g2.drawImage(image, 0, 0, null);
|
---|
1888 | g2.dispose();
|
---|
1889 | return buffImage;
|
---|
1890 | }
|
---|
1891 | }
|
---|
1892 |
|
---|
1893 | /**
|
---|
1894 | * Converts an {@link Rectangle} area of {@link Image} to a {@link BufferedImage} instance.
|
---|
1895 | * @param image image to convert
|
---|
1896 | * @param cropArea rectangle to crop image with
|
---|
1897 | * @return a {@code BufferedImage} instance for the cropped area of {@code Image}.
|
---|
1898 | * @since 13127
|
---|
1899 | */
|
---|
1900 | public static BufferedImage toBufferedImage(Image image, Rectangle cropArea) {
|
---|
1901 | BufferedImage buffImage = null;
|
---|
1902 | Rectangle r = new Rectangle(image.getWidth(null), image.getHeight(null));
|
---|
1903 | if (r.intersection(cropArea).equals(cropArea)) {
|
---|
1904 | buffImage = new BufferedImage(cropArea.width, cropArea.height, BufferedImage.TYPE_INT_ARGB);
|
---|
1905 | Graphics2D g2 = buffImage.createGraphics();
|
---|
1906 | g2.drawImage(image, 0, 0, cropArea.width, cropArea.height,
|
---|
1907 | cropArea.x, cropArea.y, cropArea.x + cropArea.width, cropArea.y + cropArea.height, null);
|
---|
1908 | g2.dispose();
|
---|
1909 | }
|
---|
1910 | return buffImage;
|
---|
1911 | }
|
---|
1912 |
|
---|
1913 | private static ImageInputStream createImageInputStream(Object input) throws IOException {
|
---|
1914 | try {
|
---|
1915 | return ImageIO.createImageInputStream(input);
|
---|
1916 | } catch (SecurityException e) {
|
---|
1917 | if (ImageIO.getUseCache()) {
|
---|
1918 | ImageIO.setUseCache(false);
|
---|
1919 | return ImageIO.createImageInputStream(input);
|
---|
1920 | }
|
---|
1921 | throw new IOException(e);
|
---|
1922 | }
|
---|
1923 | }
|
---|
1924 |
|
---|
1925 | /**
|
---|
1926 | * Creates a blank icon of the given size.
|
---|
1927 | * @param size image size
|
---|
1928 | * @return a blank icon of the given size
|
---|
1929 | * @since 13984
|
---|
1930 | */
|
---|
1931 | public static ImageIcon createBlankIcon(ImageSizes size) {
|
---|
1932 | return new ImageIcon(new BufferedImage(size.getAdjustedWidth(), size.getAdjustedHeight(), BufferedImage.TYPE_INT_ARGB));
|
---|
1933 | }
|
---|
1934 |
|
---|
1935 | @Override
|
---|
1936 | public String toString() {
|
---|
1937 | return ("ImageProvider ["
|
---|
1938 | + (dirs != null && !dirs.isEmpty() ? "dirs=" + dirs + ", " : "") + (id != null ? "id=" + id + ", " : "")
|
---|
1939 | + (subdir != null && !subdir.isEmpty() ? "subdir=" + subdir + ", " : "") + "name=" + name + ", "
|
---|
1940 | + (archive != null ? "archive=" + archive + ", " : "")
|
---|
1941 | + (inArchiveDir != null && !inArchiveDir.isEmpty() ? "inArchiveDir=" + inArchiveDir : "") + ']').replaceAll(", \\]", "]");
|
---|
1942 | }
|
---|
1943 | }
|
---|