1 | // License: GPL. For details, see LICENSE file.
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2 | package org.openstreetmap.josm.gui.mappaint.styleelement;
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3 |
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4 | import java.awt.BasicStroke;
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5 | import java.awt.Color;
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6 | import java.awt.Rectangle;
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7 | import java.awt.Stroke;
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8 | import java.util.Objects;
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9 |
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10 | import org.openstreetmap.josm.Main;
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11 | import org.openstreetmap.josm.data.osm.Node;
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12 | import org.openstreetmap.josm.data.osm.OsmPrimitive;
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13 | import org.openstreetmap.josm.data.osm.Relation;
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14 | import org.openstreetmap.josm.data.osm.visitor.paint.MapPaintSettings;
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15 | import org.openstreetmap.josm.data.osm.visitor.paint.StyledMapRenderer;
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16 | import org.openstreetmap.josm.gui.mappaint.Cascade;
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17 | import org.openstreetmap.josm.gui.mappaint.Environment;
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18 | import org.openstreetmap.josm.gui.mappaint.Keyword;
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19 | import org.openstreetmap.josm.gui.mappaint.MapPaintStyles.IconReference;
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20 | import org.openstreetmap.josm.gui.mappaint.MultiCascade;
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21 | import org.openstreetmap.josm.gui.mappaint.StyleElementList;
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22 | import org.openstreetmap.josm.gui.mappaint.styleelement.BoxTextElement.BoxProvider;
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23 | import org.openstreetmap.josm.gui.mappaint.styleelement.BoxTextElement.SimpleBoxProvider;
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24 | import org.openstreetmap.josm.gui.util.RotationAngle;
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25 | import org.openstreetmap.josm.tools.CheckParameterUtil;
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26 | import org.openstreetmap.josm.tools.Utils;
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27 |
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28 | /**
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29 | * applies for Nodes and turn restriction relations
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30 | */
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31 | public class NodeElement extends StyleElement {
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32 | public final MapImage mapImage;
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33 | public final RotationAngle mapImageAngle;
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34 | public final Symbol symbol;
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35 |
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36 | public enum SymbolShape { SQUARE, CIRCLE, TRIANGLE, PENTAGON, HEXAGON, HEPTAGON, OCTAGON, NONAGON, DECAGON }
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37 |
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38 | public static class Symbol {
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39 | public SymbolShape symbol;
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40 | public int size;
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41 | public Stroke stroke;
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42 | public Color strokeColor;
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43 | public Color fillColor;
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44 |
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45 | public Symbol(SymbolShape symbol, int size, Stroke stroke, Color strokeColor, Color fillColor) {
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46 | if (stroke != null && strokeColor == null)
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47 | throw new IllegalArgumentException("Stroke given without color");
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48 | if (stroke == null && fillColor == null)
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49 | throw new IllegalArgumentException("Either a stroke or a fill color must be given");
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50 | this.symbol = symbol;
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51 | this.size = size;
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52 | this.stroke = stroke;
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53 | this.strokeColor = strokeColor;
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54 | this.fillColor = fillColor;
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55 | }
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56 |
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57 | @Override
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58 | public boolean equals(Object obj) {
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59 | if (obj == null || getClass() != obj.getClass())
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60 | return false;
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61 | final Symbol other = (Symbol) obj;
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62 | return symbol == other.symbol &&
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63 | size == other.size &&
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64 | Objects.equals(stroke, other.stroke) &&
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65 | Objects.equals(strokeColor, other.strokeColor) &&
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66 | Objects.equals(fillColor, other.fillColor);
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67 | }
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68 |
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69 | @Override
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70 | public int hashCode() {
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71 | return Objects.hash(symbol, size, stroke, strokeColor, fillColor);
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72 | }
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73 |
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74 | @Override
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75 | public String toString() {
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76 | return "symbol=" + symbol + " size=" + size +
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77 | (stroke != null ? " stroke=" + stroke + " strokeColor=" + strokeColor : "") +
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78 | (fillColor != null ? " fillColor=" + fillColor : "");
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79 | }
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80 | }
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81 |
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82 | private static final String[] ICON_KEYS = {ICON_IMAGE, ICON_WIDTH, ICON_HEIGHT, ICON_OPACITY, ICON_OFFSET_X, ICON_OFFSET_Y};
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83 |
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84 | public static final NodeElement SIMPLE_NODE_ELEMSTYLE;
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85 | public static final BoxProvider SIMPLE_NODE_ELEMSTYLE_BOXPROVIDER;
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86 | static {
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87 | MultiCascade mc = new MultiCascade();
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88 | mc.getOrCreateCascade("default");
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89 | SIMPLE_NODE_ELEMSTYLE = create(new Environment(null, mc, "default", null), 4.1f, true);
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90 | if (SIMPLE_NODE_ELEMSTYLE == null) throw new AssertionError();
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91 | SIMPLE_NODE_ELEMSTYLE_BOXPROVIDER = SIMPLE_NODE_ELEMSTYLE.getBoxProvider();
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92 | }
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93 |
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94 | public static final StyleElementList DEFAULT_NODE_STYLELIST = new StyleElementList(NodeElement.SIMPLE_NODE_ELEMSTYLE);
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95 | public static final StyleElementList DEFAULT_NODE_STYLELIST_TEXT = new StyleElementList(NodeElement.SIMPLE_NODE_ELEMSTYLE,
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96 | BoxTextElement.SIMPLE_NODE_TEXT_ELEMSTYLE);
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97 |
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98 | protected NodeElement(Cascade c, MapImage mapImage, Symbol symbol, float defaultMajorZindex, RotationAngle rotationAngle) {
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99 | super(c, defaultMajorZindex);
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100 | this.mapImage = mapImage;
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101 | this.symbol = symbol;
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102 | this.mapImageAngle = rotationAngle;
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103 | }
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104 |
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105 | public static NodeElement create(Environment env) {
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106 | return create(env, 4f, false);
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107 | }
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108 |
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109 | private static NodeElement create(Environment env, float defaultMajorZindex, boolean allowDefault) {
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110 | Cascade c = env.mc.getCascade(env.layer);
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111 |
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112 | MapImage mapImage = createIcon(env, ICON_KEYS);
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113 | Symbol symbol = null;
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114 | if (mapImage == null) {
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115 | symbol = createSymbol(env);
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116 | }
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117 | RotationAngle rotationAngle = null;
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118 | final Float angle = c.get(ICON_ROTATION, null, Float.class, true);
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119 | if (angle != null) {
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120 | rotationAngle = RotationAngle.buildStaticRotation(angle);
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121 | } else {
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122 | final Keyword rotationKW = c.get(ICON_ROTATION, null, Keyword.class);
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123 | if (rotationKW != null) {
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124 | if ("way".equals(rotationKW.val)) {
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125 | rotationAngle = RotationAngle.buildWayDirectionRotation();
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126 | } else {
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127 | try {
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128 | rotationAngle = RotationAngle.buildStaticRotation(rotationKW.val);
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129 | } catch (IllegalArgumentException ignore) {
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130 | Main.trace(ignore);
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131 | }
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132 | }
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133 | }
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134 | }
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135 |
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136 | // optimization: if we neither have a symbol, nor a mapImage
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137 | // we don't have to check for the remaining style properties and we don't
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138 | // have to allocate a node element style.
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139 | if (!allowDefault && symbol == null && mapImage == null) return null;
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140 |
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141 | return new NodeElement(c, mapImage, symbol, defaultMajorZindex, rotationAngle);
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142 | }
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143 |
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144 | public static MapImage createIcon(final Environment env, final String[] keys) {
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145 | CheckParameterUtil.ensureParameterNotNull(env, "env");
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146 | CheckParameterUtil.ensureParameterNotNull(keys, "keys");
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147 |
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148 | Cascade c = env.mc.getCascade(env.layer);
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149 |
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150 | final IconReference iconRef = c.get(keys[ICON_IMAGE_IDX], null, IconReference.class, true);
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151 | if (iconRef == null)
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152 | return null;
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153 |
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154 | Cascade cDef = env.mc.getCascade("default");
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155 |
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156 | Float widthOnDefault = cDef.get(keys[ICON_WIDTH_IDX], null, Float.class);
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157 | if (widthOnDefault != null && widthOnDefault <= 0) {
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158 | widthOnDefault = null;
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159 | }
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160 | Float widthF = getWidth(c, keys[ICON_WIDTH_IDX], widthOnDefault);
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161 |
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162 | Float heightOnDefault = cDef.get(keys[ICON_HEIGHT_IDX], null, Float.class);
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163 | if (heightOnDefault != null && heightOnDefault <= 0) {
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164 | heightOnDefault = null;
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165 | }
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166 | Float heightF = getWidth(c, keys[ICON_HEIGHT_IDX], heightOnDefault);
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167 |
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168 | int width = widthF == null ? -1 : Math.round(widthF);
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169 | int height = heightF == null ? -1 : Math.round(heightF);
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170 |
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171 | float offsetXF = 0f;
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172 | float offsetYF = 0f;
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173 | if (keys[ICON_OFFSET_X_IDX] != null) {
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174 | offsetXF = c.get(keys[ICON_OFFSET_X_IDX], 0f, Float.class);
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175 | offsetYF = c.get(keys[ICON_OFFSET_Y_IDX], 0f, Float.class);
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176 | }
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177 |
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178 | final MapImage mapImage = new MapImage(iconRef.iconName, iconRef.source);
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179 |
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180 | mapImage.width = width;
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181 | mapImage.height = height;
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182 | mapImage.offsetX = Math.round(offsetXF);
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183 | mapImage.offsetY = Math.round(offsetYF);
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184 |
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185 | mapImage.alpha = Math.min(255, Math.max(0, Integer.valueOf(Main.pref.getInteger("mappaint.icon-image-alpha", 255))));
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186 | Integer pAlpha = Utils.color_float2int(c.get(keys[ICON_OPACITY_IDX], null, float.class));
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187 | if (pAlpha != null) {
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188 | mapImage.alpha = pAlpha;
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189 | }
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190 | return mapImage;
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191 | }
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192 |
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193 | private static Symbol createSymbol(Environment env) {
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194 | Cascade c = env.mc.getCascade(env.layer);
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195 | Cascade cDef = env.mc.getCascade("default");
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196 |
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197 | SymbolShape shape;
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198 | Keyword shapeKW = c.get("symbol-shape", null, Keyword.class);
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199 | if (shapeKW == null)
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200 | return null;
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201 | if ("square".equals(shapeKW.val)) {
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202 | shape = SymbolShape.SQUARE;
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203 | } else if ("circle".equals(shapeKW.val)) {
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204 | shape = SymbolShape.CIRCLE;
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205 | } else if ("triangle".equals(shapeKW.val)) {
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206 | shape = SymbolShape.TRIANGLE;
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207 | } else if ("pentagon".equals(shapeKW.val)) {
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208 | shape = SymbolShape.PENTAGON;
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209 | } else if ("hexagon".equals(shapeKW.val)) {
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210 | shape = SymbolShape.HEXAGON;
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211 | } else if ("heptagon".equals(shapeKW.val)) {
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212 | shape = SymbolShape.HEPTAGON;
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213 | } else if ("octagon".equals(shapeKW.val)) {
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214 | shape = SymbolShape.OCTAGON;
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215 | } else if ("nonagon".equals(shapeKW.val)) {
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216 | shape = SymbolShape.NONAGON;
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217 | } else if ("decagon".equals(shapeKW.val)) {
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218 | shape = SymbolShape.DECAGON;
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219 | } else
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220 | return null;
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221 |
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222 | Float sizeOnDefault = cDef.get("symbol-size", null, Float.class);
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223 | if (sizeOnDefault != null && sizeOnDefault <= 0) {
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224 | sizeOnDefault = null;
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225 | }
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226 | Float size = getWidth(c, "symbol-size", sizeOnDefault);
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227 |
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228 | if (size == null) {
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229 | size = 10f;
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230 | }
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231 |
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232 | if (size <= 0)
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233 | return null;
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234 |
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235 | Float strokeWidthOnDefault = getWidth(cDef, "symbol-stroke-width", null);
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236 | Float strokeWidth = getWidth(c, "symbol-stroke-width", strokeWidthOnDefault);
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237 |
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238 | Color strokeColor = c.get("symbol-stroke-color", null, Color.class);
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239 |
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240 | if (strokeWidth == null && strokeColor != null) {
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241 | strokeWidth = 1f;
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242 | } else if (strokeWidth != null && strokeColor == null) {
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243 | strokeColor = Color.ORANGE;
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244 | }
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245 |
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246 | Stroke stroke = null;
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247 | if (strokeColor != null && strokeWidth != null) {
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248 | Integer strokeAlpha = Utils.color_float2int(c.get("symbol-stroke-opacity", null, Float.class));
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249 | if (strokeAlpha != null) {
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250 | strokeColor = new Color(strokeColor.getRed(), strokeColor.getGreen(),
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251 | strokeColor.getBlue(), strokeAlpha);
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252 | }
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253 | stroke = new BasicStroke(strokeWidth);
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254 | }
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255 |
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256 | Color fillColor = c.get("symbol-fill-color", null, Color.class);
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257 | if (stroke == null && fillColor == null) {
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258 | fillColor = Color.BLUE;
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259 | }
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260 |
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261 | if (fillColor != null) {
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262 | Integer fillAlpha = Utils.color_float2int(c.get("symbol-fill-opacity", null, Float.class));
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263 | if (fillAlpha != null) {
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264 | fillColor = new Color(fillColor.getRed(), fillColor.getGreen(),
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265 | fillColor.getBlue(), fillAlpha);
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266 | }
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267 | }
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268 |
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269 | return new Symbol(shape, Math.round(size), stroke, strokeColor, fillColor);
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270 | }
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271 |
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272 | @Override
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273 | public void paintPrimitive(OsmPrimitive primitive, MapPaintSettings settings, StyledMapRenderer painter,
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274 | boolean selected, boolean outermember, boolean member) {
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275 | if (primitive instanceof Node) {
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276 | Node n = (Node) primitive;
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277 | if (mapImage != null && painter.isShowIcons()) {
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278 | painter.drawNodeIcon(n, mapImage, painter.isInactiveMode() || n.isDisabled(), selected, member,
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279 | mapImageAngle == null ? 0.0 : mapImageAngle.getRotationAngle(primitive));
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280 | } else if (symbol != null) {
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281 | Color fillColor = symbol.fillColor;
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282 | if (fillColor != null) {
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283 | if (painter.isInactiveMode() || n.isDisabled()) {
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284 | fillColor = settings.getInactiveColor();
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285 | } else if (defaultSelectedHandling && selected) {
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286 | fillColor = settings.getSelectedColor(fillColor.getAlpha());
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287 | } else if (member) {
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288 | fillColor = settings.getRelationSelectedColor(fillColor.getAlpha());
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289 | }
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290 | }
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291 | Color strokeColor = symbol.strokeColor;
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292 | if (strokeColor != null) {
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293 | if (painter.isInactiveMode() || n.isDisabled()) {
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294 | strokeColor = settings.getInactiveColor();
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295 | } else if (defaultSelectedHandling && selected) {
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296 | strokeColor = settings.getSelectedColor(strokeColor.getAlpha());
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297 | } else if (member) {
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298 | strokeColor = settings.getRelationSelectedColor(strokeColor.getAlpha());
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299 | }
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300 | }
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301 | painter.drawNodeSymbol(n, symbol, fillColor, strokeColor);
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302 | } else {
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303 | Color color;
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304 | boolean isConnection = n.isConnectionNode();
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305 |
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306 | if (painter.isInactiveMode() || n.isDisabled()) {
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307 | color = settings.getInactiveColor();
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308 | } else if (selected) {
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309 | color = settings.getSelectedColor();
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310 | } else if (member) {
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311 | color = settings.getRelationSelectedColor();
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312 | } else if (isConnection) {
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313 | if (n.isTagged()) {
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314 | color = settings.getTaggedConnectionColor();
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315 | } else {
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316 | color = settings.getConnectionColor();
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317 | }
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318 | } else {
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319 | if (n.isTagged()) {
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320 | color = settings.getTaggedColor();
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321 | } else {
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322 | color = settings.getNodeColor();
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323 | }
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324 | }
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325 |
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326 | final int size = Utils.max(selected ? settings.getSelectedNodeSize() : 0,
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327 | n.isTagged() ? settings.getTaggedNodeSize() : 0,
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328 | isConnection ? settings.getConnectionNodeSize() : 0,
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329 | settings.getUnselectedNodeSize());
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330 |
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331 | final boolean fill = (selected && settings.isFillSelectedNode()) ||
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332 | (n.isTagged() && settings.isFillTaggedNode()) ||
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333 | (isConnection && settings.isFillConnectionNode()) ||
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334 | settings.isFillUnselectedNode();
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335 |
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336 | painter.drawNode(n, color, size, fill);
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337 |
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338 | }
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339 | } else if (primitive instanceof Relation && mapImage != null) {
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340 | painter.drawRestriction((Relation) primitive, mapImage, painter.isInactiveMode() || primitive.isDisabled());
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341 | }
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342 | }
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343 |
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344 | public BoxProvider getBoxProvider() {
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345 | if (mapImage != null)
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346 | return mapImage.getBoxProvider();
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347 | else if (symbol != null)
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348 | return new SimpleBoxProvider(new Rectangle(-symbol.size/2, -symbol.size/2, symbol.size, symbol.size));
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349 | else {
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350 | // This is only executed once, so no performance concerns.
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351 | // However, it would be better, if the settings could be changed at runtime.
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352 | int size = Utils.max(
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353 | Main.pref.getInteger("mappaint.node.selected-size", 5),
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354 | Main.pref.getInteger("mappaint.node.unselected-size", 3),
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355 | Main.pref.getInteger("mappaint.node.connection-size", 5),
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356 | Main.pref.getInteger("mappaint.node.tagged-size", 3)
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357 | );
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358 | return new SimpleBoxProvider(new Rectangle(-size/2, -size/2, size, size));
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359 | }
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360 | }
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361 |
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362 | @Override
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363 | public int hashCode() {
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364 | return Objects.hash(super.hashCode(), mapImage, mapImageAngle, symbol);
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365 | }
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366 |
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367 | @Override
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368 | public boolean equals(Object obj) {
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369 | if (this == obj) return true;
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370 | if (obj == null || getClass() != obj.getClass()) return false;
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371 | if (!super.equals(obj)) return false;
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372 | NodeElement that = (NodeElement) obj;
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373 | return Objects.equals(mapImage, that.mapImage) &&
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374 | Objects.equals(mapImageAngle, that.mapImageAngle) &&
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375 | Objects.equals(symbol, that.symbol);
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376 | }
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377 |
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378 | @Override
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379 | public String toString() {
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380 | StringBuilder s = new StringBuilder(64).append("NodeElemStyle{").append(super.toString());
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381 | if (mapImage != null) {
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382 | s.append(" icon=[" + mapImage + ']');
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383 | }
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384 | if (symbol != null) {
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385 | s.append(" symbol=[" + symbol + ']');
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386 | }
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387 | if (mapImageAngle != null) {
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388 | s.append(" mapImageAngle=[" + mapImageAngle + ']');
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389 | }
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390 | s.append('}');
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391 | return s.toString();
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392 | }
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393 | }
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