svn-gvsig-desktop / trunk / org.gvsig.desktop / org.gvsig.desktop.library / org.gvsig.symbology / org.gvsig.symbology.lib / org.gvsig.symbology.lib.impl / src / main / java / org / gvsig / symbology / fmap / mapcontext / rendering / symbol / text / impl / SimpleTextSymbol.java @ 40560
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1 | 40560 | jjdelcerro | /**
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2 | * gvSIG. Desktop Geographic Information System.
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3 | 40435 | jjdelcerro | *
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4 | 40560 | jjdelcerro | * Copyright (C) 2007-2013 gvSIG Association.
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5 | *
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6 | 40435 | jjdelcerro | * This program is free software; you can redistribute it and/or
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7 | * modify it under the terms of the GNU General Public License
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8 | 40560 | jjdelcerro | * as published by the Free Software Foundation; either version 3
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9 | 40435 | jjdelcerro | * of the License, or (at your option) any later version.
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10 | 40560 | jjdelcerro | *
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11 | 40435 | jjdelcerro | * This program is distributed in the hope that it will be useful,
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12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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14 | * GNU General Public License for more details.
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15 | 40560 | jjdelcerro | *
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16 | 40435 | jjdelcerro | * You should have received a copy of the GNU General Public License
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17 | * along with this program; if not, write to the Free Software
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18 | 40560 | jjdelcerro | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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19 | 40435 | jjdelcerro | * MA 02110-1301, USA.
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20 | 40560 | jjdelcerro | *
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21 | * For any additional information, do not hesitate to contact us
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22 | * at info AT gvsig.com, or visit our website www.gvsig.com.
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23 | 40435 | jjdelcerro | */
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24 | package org.gvsig.symbology.fmap.mapcontext.rendering.symbol.text.impl; |
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25 | |||
26 | import java.awt.Color; |
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27 | import java.awt.Font; |
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28 | import java.awt.FontMetrics; |
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29 | import java.awt.Graphics2D; |
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30 | import java.awt.Rectangle; |
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31 | import java.awt.RenderingHints; |
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32 | import java.awt.Shape; |
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33 | import java.awt.font.FontRenderContext; |
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34 | import java.awt.font.GlyphVector; |
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35 | import java.awt.geom.AffineTransform; |
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36 | import java.awt.geom.Rectangle2D; |
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37 | |||
38 | import org.slf4j.Logger; |
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39 | import org.slf4j.LoggerFactory; |
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40 | |||
41 | import org.gvsig.compat.print.PrintAttributes; |
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42 | import org.gvsig.fmap.dal.feature.Feature; |
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43 | import org.gvsig.fmap.geom.Geometry; |
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44 | import org.gvsig.fmap.geom.Geometry.SUBTYPES; |
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45 | import org.gvsig.fmap.geom.GeometryLocator; |
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46 | import org.gvsig.fmap.geom.GeometryManager; |
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47 | import org.gvsig.fmap.geom.exception.CreateGeometryException; |
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48 | import org.gvsig.fmap.geom.primitive.GeneralPathX; |
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49 | import org.gvsig.fmap.geom.primitive.Point; |
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50 | import org.gvsig.fmap.mapcontext.MapContextLocator; |
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51 | import org.gvsig.fmap.mapcontext.ViewPort; |
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52 | import org.gvsig.fmap.mapcontext.rendering.symbols.ISymbol; |
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53 | import org.gvsig.fmap.mapcontext.rendering.symbols.ITextSymbol; |
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54 | import org.gvsig.fmap.mapcontext.rendering.symbols.SymbolDrawingException; |
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55 | import org.gvsig.fmap.mapcontext.rendering.symbols.SymbolManager; |
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56 | import org.gvsig.fmap.mapcontext.rendering.symbols.SymbolPreferences; |
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57 | import org.gvsig.symbology.fmap.mapcontext.rendering.symbol.impl.AbstractSymbol; |
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58 | import org.gvsig.symbology.fmap.mapcontext.rendering.symbol.impl.CartographicSupportToolkit; |
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59 | import org.gvsig.symbology.fmap.mapcontext.rendering.symbol.text.ISimpleTextSymbol; |
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60 | import org.gvsig.tools.ToolsLocator; |
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61 | import org.gvsig.tools.dynobject.DynStruct; |
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62 | import org.gvsig.tools.persistence.PersistenceManager; |
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63 | import org.gvsig.tools.persistence.PersistentState; |
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64 | import org.gvsig.tools.persistence.exception.PersistenceException; |
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65 | import org.gvsig.tools.task.Cancellable; |
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66 | import org.gvsig.tools.util.Callable; |
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67 | |||
68 | /**
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69 | * SimpleTextSymbol is a class used to create symbols composed using a text defined by
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70 | * the user.This text can be edited (changing the color, the font of the characters, and
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71 | * the rotation of the text).
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72 | * @author 2005-2008 jaume dominguez faus - jaume.dominguez@iver.es
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73 | * @author 2009- <a href="cordinyana@gvsig.org">C?sar Ordi?ana</a> - gvSIG team
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74 | */
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75 | public class SimpleTextSymbol extends AbstractSymbol implements ITextSymbol, ISimpleTextSymbol { |
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76 | final static private Logger LOG = LoggerFactory.getLogger(SimpleTextSymbol.class); |
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77 | |||
78 | public static final String SIMPLE_TEXT_SYMBOL_PERSISTENCE_DEFINITION_NAME = "SimpleTextSymbol"; |
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79 | |||
80 | private static final String FIELD_TEXT = "text"; |
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81 | private static final String FIELD_FONT = "font"; |
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82 | private static final String FIELD_TEXT_COLOR = "textColor"; |
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83 | private static final String FIELD_ROTATION = "rotation"; |
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84 | private static final String FIELD_AUTO_RESIZE = "autoResize"; |
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85 | |||
86 | private static final GeometryManager geomManager = GeometryLocator.getGeometryManager(); |
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87 | private String text = ""; |
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88 | |||
89 | private Font font; |
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90 | |||
91 | private Color textColor; |
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92 | private double rotation; |
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93 | private FontRenderContext frc = new FontRenderContext( |
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94 | new AffineTransform(), false, true); |
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95 | private boolean autoresize; |
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96 | |||
97 | public SimpleTextSymbol() {
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98 | super();
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99 | SymbolPreferences preferences = |
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100 | MapContextLocator.getSymbolManager().getSymbolPreferences(); |
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101 | font = preferences.getDefaultSymbolFont(); |
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102 | textColor = preferences.getDefaultSymbolColor(); |
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103 | } |
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104 | |||
105 | public void draw(Graphics2D g, AffineTransform affineTransform, |
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106 | Geometry geom, Feature feature, Cancellable cancel) { |
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107 | if (!isShapeVisible()) {
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108 | return;
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109 | } |
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110 | |||
111 | Point point = (Point)geom; |
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112 | point.transform(affineTransform); |
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113 | |||
114 | g.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON); |
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115 | g.setColor(textColor); |
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116 | g.setFont(font); |
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117 | g.translate(point.getX(), point.getY()); |
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118 | |||
119 | g.rotate(rotation); |
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120 | Rectangle2D bounds = getBounds();
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121 | // getBounds devuelve el bounds de un texto dibujado de manera que
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122 | // la linea base de la primera letra est? en el punto (0,0).
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123 | // Por eso, si queremos alinear el texto de manera que la parte superior
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124 | // izquierda de la primera letra est? en (0,0) debemos moverlo seg?n
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125 | // el valor de la ordenada, en lugar de seg?n su altura.
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126 | g.drawString(getText(), 0, (int)-bounds.getY());//(int) bounds.getHeight()); |
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127 | g.rotate(-rotation); |
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128 | g.translate(-point.getX(), -point.getY()); |
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129 | } |
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130 | |||
131 | public void drawInsideRectangle(Graphics2D g, |
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132 | AffineTransform scaleInstance, Rectangle r, PrintAttributes properties) throws SymbolDrawingException { |
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133 | int s = getFont().getSize();
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134 | if (autoresize) {
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135 | if (s==0) { |
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136 | s =1;
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137 | setFontSize(s); |
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138 | } |
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139 | g.setFont(getFont()); |
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140 | FontMetrics fm = g.getFontMetrics();
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141 | Rectangle2D rect = fm.getStringBounds(text, g);
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142 | double width = rect.getWidth();
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143 | double height = rect.getHeight();
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144 | double rWidth = r.getWidth();
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145 | double rHeight = r.getHeight();
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146 | double ratioText = width/height;
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147 | double ratioRect = rWidth/rHeight;
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148 | |||
149 | if (ratioText>ratioRect) {
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150 | s = (int) (s*(rWidth/width));
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151 | } else {
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152 | s = (int) (s*(rHeight/height));
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153 | } |
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154 | // r.setLocation(r.x, (int) Math.round(r.getY()+r.getHeight()));
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155 | } |
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156 | setFontSize(s); |
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157 | // g.setColor(Color.red);
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158 | // g.draw(r);
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159 | try {
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160 | if (properties==null) |
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161 | draw(g, null, geomManager.createPoint(r.getX(), r.getY(),
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162 | SUBTYPES.GEOM2D), null, null); |
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163 | else
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164 | print(g, new AffineTransform(), geomManager.createPoint(r.getX(), r.getY(), SUBTYPES.GEOM2D), properties); |
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165 | } catch (CreateGeometryException e) {
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166 | LOG.error("Error creatint a point", e);
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167 | e.printStackTrace(); |
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168 | } |
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169 | |||
170 | |||
171 | } |
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172 | |||
173 | public int getOnePointRgb() { |
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174 | return textColor.getRGB();
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175 | } |
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176 | |||
177 | public void getPixExtentPlus(org.gvsig.fmap.geom.Geometry geom, float[] distances, |
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178 | ViewPort viewPort, int dpi) {
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179 | throw new Error("Not yet implemented!"); |
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180 | |||
181 | } |
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182 | |||
183 | public ISymbol getSymbolForSelection() {
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184 | return this; // a text is not selectable |
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185 | } |
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186 | |||
187 | public int getSymbolType() { |
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188 | //This method returned the deleted type Geometry.TYPES.TEXT. I suppose that now
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189 | //it has to retrun geometry
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190 | return Geometry.TYPES.GEOMETRY;
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191 | } |
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192 | |||
193 | public boolean isSuitableFor(Geometry geom) { |
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194 | return true; |
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195 | } |
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196 | |||
197 | public String getClassName() { |
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198 | return getClass().getName();
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199 | } |
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200 | |||
201 | public void print(Graphics2D g, AffineTransform at, org.gvsig.fmap.geom.Geometry geom, PrintAttributes properties){ |
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202 | float originalSize = getFont().getSize2D();
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203 | float size=originalSize;
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204 | // scale it to size
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205 | int pq = properties.getPrintQuality();
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206 | if (pq == PrintAttributes.PRINT_QUALITY_NORMAL){
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207 | size *= (double) 300/72; |
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208 | }else if (pq == PrintAttributes.PRINT_QUALITY_HIGH){ |
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209 | size *= (double) 600/72; |
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210 | }else if (pq == PrintAttributes.PRINT_QUALITY_DRAFT){ |
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211 | // d *= 72/72; // (which is the same than doing nothing)
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212 | } |
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213 | setFont(getFont().deriveFont(size)); |
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214 | draw(g,at,geom, null, null); |
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215 | setFont(getFont().deriveFont(originalSize)); |
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216 | } |
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217 | |||
218 | public String getText() { |
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219 | return text;
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220 | } |
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221 | |||
222 | public Font getFont() { |
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223 | return font;
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224 | } |
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225 | |||
226 | public Color getTextColor() { |
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227 | return textColor;
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228 | } |
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229 | |||
230 | public void setText(String text) { |
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231 | this.text = text;
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232 | } |
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233 | |||
234 | public void setFont(Font font) { |
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235 | if (font == null) { |
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236 | LOG.warn("font <-- null");
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237 | |||
238 | return;
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239 | } |
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240 | this.font = font;
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241 | } |
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242 | |||
243 | public void setTextColor(Color color) { |
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244 | this.textColor = color;
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245 | } |
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246 | |||
247 | public Color getColor() { |
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248 | return getTextColor();
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249 | } |
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250 | |||
251 | public void setColor(Color color) { |
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252 | setTextColor(color); |
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253 | } |
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254 | |||
255 | public void setFontSize(double size) { |
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256 | Font newFont = new Font(font.getName(), font.getStyle(), (int) size); |
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257 | // if (newFont == null) {
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258 | // logger.warn(
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259 | // "Font(" + font.getName() + ", "
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260 | // + font.getStyle() + ", " + (int) size + " --> null");
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261 | // } else {
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262 | this.font = newFont;
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263 | // }
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264 | } |
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265 | |||
266 | public double getRotation() { |
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267 | return rotation;
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268 | } |
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269 | |||
270 | /**
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271 | * Defines the angle of rotation for the text that composes the symbol
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272 | *
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273 | * @param rotation
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274 | */
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275 | public void setRotation(double rotation) { |
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276 | this.rotation = rotation;
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277 | } |
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278 | |||
279 | /**
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280 | * Returns an Geometry which represents a rectangle containing the text in
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281 | * <b>screen</b> units.
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282 | */
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283 | public Geometry getTextWrappingShape(org.gvsig.fmap.geom.primitive.Point p) {
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284 | Font font = getFont();
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285 | GlyphVector gv = font.createGlyphVector(frc, text);
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286 | |||
287 | Shape shape = gv.getOutline((float) p.getX(), (float) p.getY()); |
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288 | Geometry myFShape; |
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289 | try {
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290 | myFShape = geomManager.createSurface(new GeneralPathX(shape
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291 | .getBounds2D().getPathIterator(null)), SUBTYPES.GEOM2D);
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292 | myFShape.transform(AffineTransform.getTranslateInstance(p.getX(), p.getY()));
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293 | |||
294 | if (rotation != 0) { |
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295 | myFShape.transform(AffineTransform.getRotateInstance(rotation));
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296 | } |
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297 | return myFShape;
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298 | } catch (CreateGeometryException e) {
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299 | LOG.error("Error creating a surface", e);
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300 | e.printStackTrace(); |
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301 | } |
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302 | return null; |
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303 | } |
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304 | |||
305 | public Rectangle getBounds() { |
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306 | // FontMetrics fm = g.getFontMetrics();
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307 | // Rectangle2D rect = fm.getStringBounds("graphics", g);
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308 | |||
309 | Rectangle bounds = null; |
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310 | try {
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311 | bounds = getTextWrappingShape(geomManager.createPoint(0,0, SUBTYPES.GEOM2D)).getShape().getBounds(); |
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312 | } catch (CreateGeometryException e) {
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313 | LOG.error("Error creating a point", e);
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314 | } |
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315 | return bounds;
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316 | } |
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317 | |||
318 | public void setCartographicSize(double cartographicSize, Geometry geom) { |
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319 | setFontSize(cartographicSize); |
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320 | } |
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321 | |||
322 | public double toCartographicSize(ViewPort viewPort, double dpi, Geometry geom) { |
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323 | double oldSize = getFont().getSize();
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324 | setCartographicSize(getCartographicSize( |
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325 | viewPort, |
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326 | dpi, |
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327 | geom), |
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328 | geom); |
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329 | return oldSize;
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330 | } |
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331 | |||
332 | public double getCartographicSize(ViewPort viewPort, double dpi, Geometry geom) { |
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333 | return CartographicSupportToolkit.
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334 | getCartographicLength(this,
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335 | getFont().getSize(), |
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336 | viewPort, |
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337 | dpi); |
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338 | } |
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339 | public boolean isAutoresizeEnabled() { |
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340 | return autoresize;
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341 | } |
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342 | |||
343 | public void setAutoresizeEnabled(boolean autoresizeFlag) { |
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344 | this.autoresize = autoresizeFlag;
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345 | } |
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346 | |||
347 | |||
348 | public Object clone() throws CloneNotSupportedException { |
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349 | SimpleTextSymbol copy = (SimpleTextSymbol) super.clone();
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350 | |||
351 | return copy;
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352 | } |
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353 | |||
354 | public void loadFromState(PersistentState state) |
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355 | |||
356 | throws PersistenceException {
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357 | // Set parent fill symbol properties
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358 | super.loadFromState(state);
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359 | |||
360 | // Set own properties
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361 | setAutoresizeEnabled(state.getBoolean(FIELD_AUTO_RESIZE)); |
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362 | setFont((Font) state.get(FIELD_FONT));
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363 | setRotation(state.getDouble(FIELD_ROTATION)); |
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364 | setText(state.getString(FIELD_TEXT)); |
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365 | setTextColor((Color) state.get(FIELD_TEXT_COLOR));
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366 | } |
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367 | |||
368 | public void saveToState(PersistentState state) throws PersistenceException { |
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369 | // Save parent fill symbol properties
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370 | super.saveToState(state);
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371 | |||
372 | // Save own properties
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373 | state.set(FIELD_AUTO_RESIZE, isAutoresizeEnabled()); |
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374 | state.set(FIELD_FONT, getFont()); |
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375 | state.set(FIELD_ROTATION, getRotation()); |
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376 | state.set(FIELD_TEXT, getText()); |
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377 | state.set(FIELD_TEXT_COLOR, getTextColor()); |
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378 | } |
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379 | |||
380 | public static class RegisterPersistence implements Callable { |
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381 | |||
382 | public Object call() throws Exception { |
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383 | PersistenceManager manager = ToolsLocator.getPersistenceManager(); |
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384 | if( manager.getDefinition(SIMPLE_TEXT_SYMBOL_PERSISTENCE_DEFINITION_NAME)==null ) { |
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385 | DynStruct definition = manager.addDefinition( |
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386 | SimpleTextSymbol.class, |
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387 | SIMPLE_TEXT_SYMBOL_PERSISTENCE_DEFINITION_NAME, |
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388 | SIMPLE_TEXT_SYMBOL_PERSISTENCE_DEFINITION_NAME+" Persistence definition",
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389 | null,
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390 | null
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391 | ); |
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392 | // Extend the Symbol base definition
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393 | definition.extend(manager.getDefinition(SYMBOL_PERSISTENCE_DEFINITION_NAME)); |
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394 | |||
395 | // Auto resize?
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396 | definition.addDynFieldBoolean(FIELD_AUTO_RESIZE) |
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397 | .setMandatory(true);
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398 | |||
399 | // Font
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400 | definition.addDynFieldObject(FIELD_FONT) |
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401 | .setClassOfValue(Font.class)
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402 | .setMandatory(true);
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403 | |||
404 | // Rotation
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405 | definition.addDynFieldDouble(FIELD_ROTATION) |
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406 | .setMandatory(true);
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407 | |||
408 | // Text
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409 | definition.addDynFieldString(FIELD_TEXT); |
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410 | |||
411 | // Text color
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412 | definition.addDynFieldObject(FIELD_TEXT_COLOR) |
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413 | .setClassOfValue(Color.class)
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414 | .setMandatory(true);
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415 | } |
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416 | return Boolean.TRUE; |
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417 | } |
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418 | |||
419 | } |
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420 | |||
421 | public static class RegisterSymbol implements Callable { |
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422 | |||
423 | public Object call() throws Exception { |
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424 | int[] shapeTypes; |
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425 | SymbolManager manager = MapContextLocator.getSymbolManager(); |
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426 | |||
427 | //This method registered the deleted type Geometry.TYPES.TEXT. I suppose that now
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428 | //it has to register geometry
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429 | shapeTypes = new int[] { Geometry.TYPES.GEOMETRY }; |
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430 | manager.registerSymbol(ITextSymbol.SYMBOL_NAME, |
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431 | shapeTypes, |
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432 | SimpleTextSymbol.class); |
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433 | |||
434 | return Boolean.TRUE; |
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435 | } |
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436 | |||
437 | } |
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438 | |||
439 | } |