svn-gvsig-desktop / trunk / org.gvsig.desktop / org.gvsig.desktop.compat.cdc / org.gvsig.fmap.mapcontext / org.gvsig.fmap.mapcontext.api / src / main / java / org / gvsig / fmap / mapcontext / impl / DefaultMapContextDrawer.java @ 46909
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1 | 40559 | jjdelcerro | /**
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2 | * gvSIG. Desktop Geographic Information System.
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3 | *
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4 | * Copyright (C) 2007-2013 gvSIG Association.
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5 | *
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6 | * 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 | * as published by the Free Software Foundation; either version 3
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9 | * of the License, or (at your option) any later version.
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10 | *
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11 | * 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 | *
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16 | * 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 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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19 | * MA 02110-1301, USA.
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20 | *
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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 | */
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24 | 40435 | jjdelcerro | package org.gvsig.fmap.mapcontext.impl; |
25 | |||
26 | import java.awt.Graphics2D; |
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27 | import java.awt.geom.AffineTransform; |
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28 | import java.awt.image.BufferedImage; |
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29 | import java.util.ArrayList; |
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30 | import java.util.Iterator; |
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31 | import java.util.List; |
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32 | import java.util.NoSuchElementException; |
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33 | |||
34 | import org.gvsig.compat.CompatLocator; |
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35 | import org.gvsig.compat.print.PrintAttributes; |
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36 | import org.gvsig.fmap.dal.exception.ReadException; |
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37 | import org.gvsig.fmap.geom.primitive.Envelope; |
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38 | import org.gvsig.fmap.mapcontext.MapContext; |
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39 | import org.gvsig.fmap.mapcontext.MapContextDrawer; |
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40 | 41840 | jjdelcerro | import org.gvsig.fmap.mapcontext.MapContextException; |
41 | import org.gvsig.fmap.mapcontext.MapContextLocator; |
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42 | import org.gvsig.fmap.mapcontext.MapContextManager; |
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43 | 40435 | jjdelcerro | import org.gvsig.fmap.mapcontext.ViewPort; |
44 | import org.gvsig.fmap.mapcontext.layers.FLayer; |
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45 | import org.gvsig.fmap.mapcontext.layers.FLayerHidesArea; |
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46 | import org.gvsig.fmap.mapcontext.layers.FLayers; |
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47 | import org.gvsig.fmap.mapcontext.layers.LayerDrawEvent; |
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48 | import org.gvsig.fmap.mapcontext.layers.LayersIterator; |
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49 | import org.gvsig.fmap.mapcontext.layers.operations.ComposedLayer; |
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50 | import org.gvsig.fmap.mapcontext.layers.operations.LayerCollection; |
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51 | import org.gvsig.fmap.mapcontext.layers.vectorial.GraphicLayer; |
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52 | 44245 | jjdelcerro | import org.gvsig.fmap.mapcontext.layers.vectorial.VectorLayer; |
53 | 40435 | jjdelcerro | import org.gvsig.fmap.mapcontext.rendering.legend.styling.ILabelable; |
54 | import org.gvsig.tools.task.Cancellable; |
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55 | 41840 | jjdelcerro | import org.gvsig.tools.util.Callable; |
56 | 40435 | jjdelcerro | import org.slf4j.Logger; |
57 | import org.slf4j.LoggerFactory; |
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58 | |||
59 | public class DefaultMapContextDrawer implements MapContextDrawer { |
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60 | |||
61 | 44453 | omartinez | private static final Logger LOG = LoggerFactory |
62 | .getLogger(DefaultMapContextDrawer.class); |
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63 | 40435 | jjdelcerro | |
64 | 44453 | omartinez | private MapContext mapContext = null; |
65 | private ViewPort viewPort = null; |
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66 | private CachedImage cachedImage = null; |
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67 | private DrawList previousDrawList = null; |
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68 | 40435 | jjdelcerro | |
69 | 44453 | omartinez | protected void checkInitialized() { |
70 | if (mapContext == null || viewPort == null) { |
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71 | throw new IllegalStateException( |
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72 | "MapContext and ViewPort must be set");
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73 | } |
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74 | } |
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75 | 40435 | jjdelcerro | |
76 | 44453 | omartinez | public void draw(FLayers root, BufferedImage image, Graphics2D g, |
77 | Cancellable cancel, double scale) throws ReadException { |
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78 | 40435 | jjdelcerro | |
79 | 44453 | omartinez | this.checkInitialized();
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80 | 40435 | jjdelcerro | |
81 | 44453 | omartinez | // With viewport changes all layers must be redrawn, discard cache
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82 | 45384 | fdiaz | if (cachedImage != null && cachedImage.hasChangedViewPortDrawVersion()) { |
83 | 44453 | omartinez | cachedImage = null;
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84 | } |
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85 | 40435 | jjdelcerro | |
86 | 44453 | omartinez | AffineTransform aux_at = null; |
87 | 40435 | jjdelcerro | |
88 | 44453 | omartinez | if (isValidFullCachedImage()) {
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89 | 40435 | jjdelcerro | |
90 | 44453 | omartinez | aux_at = g.getTransform(); |
91 | g.drawImage( |
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92 | cachedImage.getFullDrawnImage(), |
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93 | (int) -aux_at.getTranslateX(),
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94 | (int) -aux_at.getTranslateY(),
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95 | null);
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96 | LOG.debug("Drawn full image from the cache, all layers cached");
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97 | return;
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98 | } |
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99 | 40435 | jjdelcerro | |
100 | 44453 | omartinez | DrawList drawList = this.createDrawList(root, cancel, scale);
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101 | if (drawList == null || drawList.size() == 0) { |
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102 | return;
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103 | } |
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104 | 40435 | jjdelcerro | |
105 | 44453 | omartinez | if (cancel.isCanceled()) {
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106 | cachedImage = null;
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107 | return;
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108 | } |
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109 | 40435 | jjdelcerro | |
110 | 44453 | omartinez | int firstLayerToDraw;
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111 | int lastLayerToDraw;
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112 | if (isValidPartialCachedImage(drawList)) {
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113 | firstLayerToDraw = 0;
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114 | lastLayerToDraw = cachedImage.getLastDrawnLayerPosition(); |
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115 | 40435 | jjdelcerro | |
116 | 44453 | omartinez | aux_at = g.getTransform(); |
117 | g.drawImage( |
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118 | cachedImage.getPartialDrawnImage(), |
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119 | (int) -aux_at.getTranslateX(),
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120 | (int) -aux_at.getTranslateY(),
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121 | null);
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122 | 40435 | jjdelcerro | |
123 | 44453 | omartinez | cachedImage.updateVersions(mapContext, viewPort); |
124 | LOG.debug("Reused image of cached layers from 0 to {}",
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125 | new Integer(lastLayerToDraw)); |
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126 | } else {
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127 | if (cachedImage == null) { |
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128 | cachedImage = new CachedImage();
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129 | // Draw all layers
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130 | firstLayerToDraw = 0;
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131 | //lastLayerToDraw = drawList.getLayerCount() - 1;
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132 | lastLayerToDraw = drawList.getLastLayerVisible(viewPort); |
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133 | } else {
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134 | // Draw the first group of layers without changes to be cached
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135 | // next time
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136 | firstLayerToDraw = 0;
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137 | int firstChangedLayer = drawList.getFirstChangedLayer();
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138 | // If negative nothing has changed, so draw all the layers
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139 | lastLayerToDraw = firstChangedLayer < 0 ? drawList
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140 | .getLayerCount() - 1 : firstChangedLayer - 1; |
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141 | } |
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142 | drawList.drawLayers(image, g, firstLayerToDraw, lastLayerToDraw, |
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143 | cancel, scale); |
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144 | cachedImage.setPartialDrawnImage(image, mapContext, viewPort, |
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145 | lastLayerToDraw); |
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146 | } |
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147 | 40435 | jjdelcerro | |
148 | 44453 | omartinez | if (cancel.isCanceled()) {
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149 | cachedImage = null;
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150 | return;
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151 | } |
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152 | 40435 | jjdelcerro | |
153 | 44453 | omartinez | // Draw the second group of layers not cached
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154 | firstLayerToDraw = lastLayerToDraw + 1;
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155 | lastLayerToDraw = drawList.getLayerCount() - 1;
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156 | 46909 | fdiaz | |
157 | 44453 | omartinez | drawList.drawLayers(image, g, firstLayerToDraw, lastLayerToDraw, |
158 | cancel, scale); |
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159 | 46909 | fdiaz | |
160 | if (cancel.isCanceled()) {
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161 | this.clean();
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162 | } else {
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163 | cachedImage.setFullDrawnImage(image); |
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164 | } |
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165 | 40435 | jjdelcerro | |
166 | 44453 | omartinez | this.previousDrawList = drawList;
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167 | 46909 | fdiaz | |
168 | 44453 | omartinez | } |
169 | 40435 | jjdelcerro | |
170 | 44453 | omartinez | private boolean isValidPartialCachedImage(DrawList drawList) { |
171 | return cachedImage != null |
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172 | && cachedImage.isValidPartialDrawnImage(mapContext, drawList); |
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173 | } |
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174 | 40435 | jjdelcerro | |
175 | 44453 | omartinez | private boolean isValidFullCachedImage() { |
176 | return cachedImage != null |
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177 | && cachedImage.isValidFullDrawnImage(mapContext); |
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178 | } |
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179 | 40435 | jjdelcerro | |
180 | 44453 | omartinez | private void print(Object layerOrComposed, Graphics2D g, |
181 | Cancellable cancel, double scale, PrintAttributes properties)
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182 | throws ReadException {
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183 | ILabelable labelable = null;
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184 | ILabelable tmp = null;
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185 | if (layerOrComposed instanceof ILabelable) { |
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186 | 40435 | jjdelcerro | |
187 | 44453 | omartinez | tmp = (ILabelable) layerOrComposed; |
188 | 40435 | jjdelcerro | |
189 | 44453 | omartinez | if (tmp.isLabeled() && tmp.getLabelingStrategy() != null |
190 | && tmp.getLabelingStrategy().shouldDrawLabels(scale)) { |
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191 | labelable = tmp; |
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192 | } |
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193 | } |
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194 | 40435 | jjdelcerro | |
195 | 44453 | omartinez | if (layerOrComposed instanceof FLayer) { |
196 | FLayer layer = (FLayer) layerOrComposed; |
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197 | layer.print(g, viewPort, cancel, scale, properties); |
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198 | } else {
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199 | ComposedLayer composed = (ComposedLayer) layerOrComposed; |
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200 | composed.print(g, viewPort, cancel, scale, properties); |
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201 | } |
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202 | if (labelable != null) { |
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203 | labelable.printLabels(g, viewPort, cancel, scale, properties); |
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204 | } |
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205 | 40435 | jjdelcerro | |
206 | 44453 | omartinez | } |
207 | 40435 | jjdelcerro | |
208 | 44453 | omartinez | public void setMapContext(MapContext mapContext) { |
209 | if (this.mapContext == mapContext) { |
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210 | return;
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211 | } |
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212 | this.clean();
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213 | this.mapContext = mapContext;
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214 | 40435 | jjdelcerro | |
215 | 44453 | omartinez | } |
216 | 40435 | jjdelcerro | |
217 | 44453 | omartinez | public void setViewPort(ViewPort viewPort) { |
218 | if (this.viewPort == viewPort) { |
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219 | return;
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220 | } |
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221 | this.clean();
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222 | this.viewPort = viewPort;
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223 | 40435 | jjdelcerro | |
224 | 44453 | omartinez | } |
225 | 40435 | jjdelcerro | |
226 | 44453 | omartinez | protected void clean() { |
227 | this.cachedImage = null; |
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228 | } |
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229 | 40435 | jjdelcerro | |
230 | 44453 | omartinez | public class CachedImage { |
231 | 40435 | jjdelcerro | |
232 | 44453 | omartinez | private BufferedImage partialDrawnImage; |
233 | private BufferedImage fullDrawnImage; |
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234 | private long lastMapContextVersion; |
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235 | private long lastViewPortVersion; |
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236 | private int lastDrawnLayerPosition; |
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237 | 40435 | jjdelcerro | |
238 | 44453 | omartinez | public void setPartialDrawnImage(BufferedImage partialDrawnImage, |
239 | MapContext mapContext, ViewPort viewPort, |
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240 | int lastDrawnLayerPosition) {
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241 | this.partialDrawnImage = CompatLocator.getGraphicsUtils()
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242 | .copyBufferedImage(partialDrawnImage); |
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243 | this.lastDrawnLayerPosition = lastDrawnLayerPosition;
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244 | updateVersions(mapContext, viewPort); |
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245 | } |
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246 | 40435 | jjdelcerro | |
247 | 44453 | omartinez | public void updateVersions(MapContext mapContext, ViewPort viewPort) { |
248 | this.lastMapContextVersion = mapContext.getDrawVersion();
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249 | this.lastViewPortVersion = viewPort.getDrawVersion();
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250 | } |
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251 | 40435 | jjdelcerro | |
252 | 44453 | omartinez | public void setFullDrawnImage(BufferedImage fullDrawnImage) { |
253 | this.fullDrawnImage = CompatLocator.getGraphicsUtils()
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254 | .copyBufferedImage(fullDrawnImage); |
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255 | } |
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256 | 40435 | jjdelcerro | |
257 | 44453 | omartinez | public BufferedImage getPartialDrawnImage() { |
258 | return partialDrawnImage;
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259 | } |
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260 | 40435 | jjdelcerro | |
261 | 44453 | omartinez | public BufferedImage getFullDrawnImage() { |
262 | return fullDrawnImage;
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263 | } |
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264 | 40435 | jjdelcerro | |
265 | 44453 | omartinez | public long getMapContextVersion() { |
266 | return lastMapContextVersion;
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267 | } |
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268 | 40435 | jjdelcerro | |
269 | 44453 | omartinez | public int getLastDrawnLayerPosition() { |
270 | return this.lastDrawnLayerPosition; |
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271 | } |
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272 | 40435 | jjdelcerro | |
273 | 44453 | omartinez | public boolean isValidFullDrawnImage(MapContext context) { |
274 | // If the MapContext version has not changed, there are not any
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275 | // changes that require redrawing any of the layers.
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276 | return fullDrawnImage != null && !hasChangedMapContextDrawVersion(); |
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277 | } |
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278 | 40435 | jjdelcerro | |
279 | 44453 | omartinez | public boolean hasChangedMapContextDrawVersion() { |
280 | // This change detects changes in layers and the viewport also
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281 | return mapContext.getDrawVersion() != this.lastMapContextVersion; |
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282 | } |
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283 | 40435 | jjdelcerro | |
284 | 44453 | omartinez | public boolean hasChangedViewPortDrawVersion() { |
285 | // This change detects changes in the viewport
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286 | return viewPort.getDrawVersion() != this.lastViewPortVersion; |
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287 | } |
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288 | 40435 | jjdelcerro | |
289 | 44453 | omartinez | public boolean isValidPartialDrawnImage(MapContext context, |
290 | DrawList drawList) { |
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291 | if (!hasChangedMapContextDrawVersion()) {
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292 | // Nothing has changed
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293 | return true; |
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294 | } |
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295 | 40435 | jjdelcerro | |
296 | 44453 | omartinez | if (partialDrawnImage == null || hasChangedViewPortDrawVersion()) { |
297 | // No image available or changes in view port
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298 | return false; |
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299 | } |
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300 | 40435 | jjdelcerro | |
301 | 44453 | omartinez | if (drawList.size() < lastDrawnLayerPosition + 1) { |
302 | // New list has fewer layers than before
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303 | return false; |
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304 | } |
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305 | 40435 | jjdelcerro | |
306 | 44453 | omartinez | // There is any change in the layers drawn in the partial drawn
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307 | // image?
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308 | return drawList.getFirstChangedLayer() > lastDrawnLayerPosition;
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309 | } |
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310 | } |
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311 | 40435 | jjdelcerro | |
312 | 44453 | omartinez | public class DrawList { |
313 | 40435 | jjdelcerro | |
314 | 44453 | omartinez | private List layers = new ArrayList(); |
315 | private List all = new ArrayList(); |
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316 | private List versions = new ArrayList(); |
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317 | private DrawList previosList = null; |
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318 | private int firstLayerChanged = -1; |
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319 | 40435 | jjdelcerro | |
320 | 44453 | omartinez | public DrawList() {
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321 | } |
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322 | 40435 | jjdelcerro | |
323 | 44453 | omartinez | public DrawList(DrawList previousList) {
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324 | if (previousList != null) { |
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325 | this.firstLayerChanged = previousList.getLayerCount();
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326 | this.previosList = previousList;
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327 | } |
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328 | } |
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329 | 40435 | jjdelcerro | |
330 | 44453 | omartinez | public int getLayerCount() { |
331 | return this.layers.size(); |
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332 | } |
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333 | 40435 | jjdelcerro | |
334 | 44453 | omartinez | public int getLastLayerVisible(ViewPort viewPort) { |
335 | Envelope area = viewPort.getAdjustedEnvelope(); |
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336 | for (int n = 0; n < this.layers.size() - 1; n++) { |
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337 | FLayer layer = (FLayer) this.layers.get(n);
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338 | if (layer instanceof FLayerHidesArea) { |
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339 | if (((FLayerHidesArea) (layer)).hidesThisArea(area)) {
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340 | return n;
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341 | } |
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342 | } |
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343 | } |
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344 | return this.layers.size() - 1; |
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345 | } |
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346 | 40435 | jjdelcerro | |
347 | 44453 | omartinez | private boolean hasChanged(FLayer layer, int pos) { |
348 | FLayer previous = (FLayer) this.previosList.layers.get(pos);
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349 | // String previousName = previous.getName();
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350 | // String layerName = layer.getName();
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351 | if (previous != layer) {
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352 | return true; |
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353 | } |
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354 | long previousVersion = ((Long) this.previosList.versions.get(pos)) |
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355 | .longValue(); |
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356 | long layerVersion = layer.getDrawVersion();
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357 | 40435 | jjdelcerro | |
358 | 44453 | omartinez | return previousVersion != layerVersion;
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359 | } |
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360 | 40435 | jjdelcerro | |
361 | 44453 | omartinez | public void add(Object obj) { |
362 | if (obj instanceof FLayer) { |
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363 | FLayer layer = (FLayer) obj; |
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364 | int curIndex = this.layers.size(); |
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365 | if (this.firstLayerChanged >= curIndex) { |
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366 | if (this.previosList.getLayerCount() > curIndex) { |
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367 | if (this.hasChanged(layer, curIndex)) { |
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368 | this.firstLayerChanged = curIndex;
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369 | } |
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370 | } else if (this.previosList.getLayerCount() == curIndex) { |
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371 | this.firstLayerChanged = curIndex;
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372 | } |
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373 | } |
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374 | this.layers.add(layer);
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375 | this.versions.add(new Long(layer.getDrawVersion())); |
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376 | } else if (!(obj instanceof LayersGroupEvent)) { |
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377 | throw new UnsupportedOperationException(); |
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378 | } |
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379 | 40435 | jjdelcerro | |
380 | 44453 | omartinez | this.all.add(obj);
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381 | } |
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382 | 40435 | jjdelcerro | |
383 | 44453 | omartinez | public int size() { |
384 | return this.all.size(); |
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385 | } |
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386 | 40435 | jjdelcerro | |
387 | 44453 | omartinez | public int getFirstChangedLayer() { |
388 | if (this.firstLayerChanged > this.layers.size()) { |
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389 | this.firstLayerChanged = this.layers.size(); |
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390 | } |
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391 | return this.firstLayerChanged; |
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392 | } |
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393 | 40435 | jjdelcerro | |
394 | 44453 | omartinez | public FLayer getLayer(int pos) { |
395 | return (FLayer) this.layers.get(pos); |
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396 | } |
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397 | 40435 | jjdelcerro | |
398 | 44453 | omartinez | public Object get(int pos) { |
399 | return this.all.get(pos); |
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400 | } |
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401 | 40435 | jjdelcerro | |
402 | 44453 | omartinez | public void drawLayers(BufferedImage image, Graphics2D g, |
403 | int firstLayerToDraw, int lastLayerToDraw, Cancellable cancel, |
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404 | double scale) throws ReadException { |
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405 | 40435 | jjdelcerro | |
406 | 44453 | omartinez | if (firstLayerToDraw > lastLayerToDraw) {
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407 | LOG.debug("Nothing to draw");
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408 | return;
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409 | } |
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410 | 40435 | jjdelcerro | |
411 | 44453 | omartinez | // Find the real layer positions excluding LayersGroupEvents
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412 | FLayer firstLayer = (FLayer) layers.get(firstLayerToDraw); |
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413 | int firstLayerPos = all.indexOf(firstLayer);
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414 | // Look if it belongs to a group and start it
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415 | if (firstLayerPos > 0) { |
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416 | for (int i = firstLayerPos - 1; i < all.size(); i++) { |
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417 | // firstLayer
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418 | Object group = all.get(i);
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419 | if (group instanceof LayersGroupEvent) { |
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420 | LayersGroupEvent event = (LayersGroupEvent) group; |
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421 | if (event.type == LayersGroupEvent.IN_Event) {
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422 | event.group.beginDraw(g, viewPort); |
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423 | } |
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424 | break;
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425 | } |
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426 | } |
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427 | } |
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428 | FLayer lastLayer = (FLayer) layers.get(lastLayerToDraw); |
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429 | int lastLayerPos = all.indexOf(lastLayer);
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430 | 40435 | jjdelcerro | |
431 | 44453 | omartinez | LOG.debug("Drawing from layer {} in position (layers: {}, all: {})"
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432 | + " to layer {} in position (layers: {}, all: {})",
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433 | new Object[]{firstLayer, new Integer(firstLayerToDraw), |
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434 | new Integer(firstLayerPos), lastLayer, |
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435 | new Integer(lastLayerToDraw), |
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436 | new Integer(lastLayerPos)}); |
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437 | 40435 | jjdelcerro | |
438 | 44453 | omartinez | ComposedLayer composed = null;
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439 | for (int pos = firstLayerPos; pos <= lastLayerPos; pos++) { |
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440 | if (cancel.isCanceled()) {
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441 | return;
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442 | } |
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443 | 40435 | jjdelcerro | |
444 | 44453 | omartinez | Object layerOrGroup = get(pos);
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445 | 40435 | jjdelcerro | |
446 | 44453 | omartinez | // Group drawing events management
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447 | if (layerOrGroup instanceof LayersGroupEvent) { |
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448 | LayersGroupEvent event = (LayersGroupEvent) layerOrGroup; |
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449 | if (event.type == LayersGroupEvent.IN_Event) {
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450 | event.group.beginDraw(g, viewPort); |
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451 | } else {
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452 | event.group.endDraw(g, viewPort); |
||
453 | } |
||
454 | } else {
|
||
455 | FLayer layer = (FLayer) layerOrGroup; |
||
456 | if (composed != null && composed.canAdd(layer)) { |
||
457 | // Previous or current layer could be composed
|
||
458 | // Add current layer
|
||
459 | addToComposedLayer(composed, layer); |
||
460 | } else {
|
||
461 | if (composed != null) { |
||
462 | // Current layer can't be composed on the previous
|
||
463 | // composedlayer. Draw previous composed
|
||
464 | LOG.debug("Drawing composed layer {} ", composed);
|
||
465 | draw(composed, image, g, cancel, scale); |
||
466 | composed = null;
|
||
467 | } |
||
468 | 40435 | jjdelcerro | |
469 | 44453 | omartinez | // Try if the current layer can be composed
|
470 | // Create new composed or draw current layer
|
||
471 | composed = layer.newComposedLayer(); |
||
472 | if (composed == null) { |
||
473 | LOG.debug("Drawing layer {} ", layer);
|
||
474 | draw(layer, image, g, cancel, scale); |
||
475 | } else {
|
||
476 | addToComposedLayer(composed, layer); |
||
477 | } |
||
478 | } |
||
479 | } |
||
480 | } |
||
481 | if (composed != null) { |
||
482 | // Draw the pending composed
|
||
483 | draw(composed, image, g, cancel, scale); |
||
484 | } |
||
485 | 40435 | jjdelcerro | |
486 | 44453 | omartinez | // Check if the last layer is the last of a group and close it
|
487 | for (int i = lastLayerPos + 1; i < all.size(); i++) { |
||
488 | Object group = all.get(i);
|
||
489 | if (group instanceof LayersGroupEvent) { |
||
490 | LayersGroupEvent event = (LayersGroupEvent) group; |
||
491 | if (event.type == LayersGroupEvent.OUT_Event) {
|
||
492 | event.group.endDraw(g, viewPort); |
||
493 | } |
||
494 | break;
|
||
495 | } |
||
496 | } |
||
497 | } |
||
498 | 40435 | jjdelcerro | |
499 | 44453 | omartinez | private void addToComposedLayer(ComposedLayer composed, FLayer layer) |
500 | throws ReadException {
|
||
501 | try {
|
||
502 | LOG.debug("Adding layer {} to composed layer ", layer, composed);
|
||
503 | composed.add(layer); |
||
504 | } catch (Exception e) { |
||
505 | throw new ReadException("DefalutMapContexDrawer exception", e); |
||
506 | } |
||
507 | } |
||
508 | 40435 | jjdelcerro | |
509 | 44453 | omartinez | private void draw(Object layerOrComposed, BufferedImage image, |
510 | Graphics2D g, Cancellable cancel, double scale) |
||
511 | throws ReadException {
|
||
512 | ILabelable labelable = null;
|
||
513 | ILabelable tmp = null;
|
||
514 | if (layerOrComposed instanceof ILabelable) { |
||
515 | 40435 | jjdelcerro | |
516 | 44453 | omartinez | tmp = (ILabelable) layerOrComposed; |
517 | 40435 | jjdelcerro | |
518 | 44453 | omartinez | if (tmp.isLabeled() && tmp.getLabelingStrategy() != null |
519 | && tmp.getLabelingStrategy().shouldDrawLabels(scale)) { |
||
520 | labelable = tmp; |
||
521 | } |
||
522 | } |
||
523 | 40435 | jjdelcerro | |
524 | 44453 | omartinez | if (layerOrComposed instanceof FLayer) { |
525 | int beforeDrawEventType;
|
||
526 | int afterDrawEventType;
|
||
527 | if (layerOrComposed instanceof GraphicLayer) { |
||
528 | beforeDrawEventType = LayerDrawEvent.GRAPHICLAYER_BEFORE_DRAW; |
||
529 | afterDrawEventType = LayerDrawEvent.GRAPHICLAYER_AFTER_DRAW; |
||
530 | } else {
|
||
531 | beforeDrawEventType = LayerDrawEvent.LAYER_BEFORE_DRAW; |
||
532 | afterDrawEventType = LayerDrawEvent.LAYER_AFTER_DRAW; |
||
533 | } |
||
534 | FLayer layer = (FLayer) layerOrComposed; |
||
535 | drawLayer(layer, image, g, cancel, scale, beforeDrawEventType, |
||
536 | afterDrawEventType); |
||
537 | } else {
|
||
538 | ComposedLayer composed = (ComposedLayer) layerOrComposed; |
||
539 | composed.draw(image, g, viewPort, cancel, scale); |
||
540 | } |
||
541 | if (labelable != null) { |
||
542 | labelable.drawLabels(image, g, viewPort, cancel, scale, |
||
543 | mapContext.getViewPort().getDPI()); |
||
544 | } |
||
545 | 40435 | jjdelcerro | |
546 | 44453 | omartinez | } |
547 | 40435 | jjdelcerro | |
548 | 44453 | omartinez | protected void drawLayer(FLayer layer, BufferedImage image, |
549 | Graphics2D g, Cancellable cancel, double scale, |
||
550 | int beforeDrawEventType, int afterDrawEventType) |
||
551 | throws ReadException {
|
||
552 | LayerDrawEvent event = new LayerDrawEvent(layer, g, viewPort, beforeDrawEventType);
|
||
553 | mapContext.fireLayerDrawingEvent(event); |
||
554 | layer.draw(image, g, viewPort, cancel, scale); |
||
555 | event = new LayerDrawEvent(layer, g, viewPort, afterDrawEventType);
|
||
556 | mapContext.fireLayerDrawingEvent(event); |
||
557 | } |
||
558 | 40435 | jjdelcerro | |
559 | 44453 | omartinez | } |
560 | 40435 | jjdelcerro | |
561 | 44453 | omartinez | private class SimpleLayerIterator extends LayersIterator { |
562 | 40435 | jjdelcerro | |
563 | 44453 | omartinez | public SimpleLayerIterator(FLayer layer) {
|
564 | this.appendLayer(layer);
|
||
565 | } |
||
566 | 40435 | jjdelcerro | |
567 | 44453 | omartinez | public boolean evaluate(FLayer layer) { |
568 | if (layer instanceof FLayers) { |
||
569 | return false; |
||
570 | } |
||
571 | return layer.isAvailable() && layer.isVisible();
|
||
572 | } |
||
573 | 40435 | jjdelcerro | |
574 | 44453 | omartinez | } |
575 | 40435 | jjdelcerro | |
576 | 44453 | omartinez | public void dispose() { |
577 | this.mapContext = null; |
||
578 | this.viewPort = null; |
||
579 | this.cachedImage = null; |
||
580 | this.previousDrawList = null; |
||
581 | } |
||
582 | 40435 | jjdelcerro | |
583 | 44453 | omartinez | public void print(FLayers root, Graphics2D g, Cancellable cancel, |
584 | double scale, PrintAttributes properties) throws ReadException { |
||
585 | this.checkInitialized();
|
||
586 | |||
587 | List printList = this.createPrintList(root, cancel); |
||
588 | if (cancel.isCanceled()) {
|
||
589 | return;
|
||
590 | } |
||
591 | |||
592 | ComposedLayer composed = null;
|
||
593 | int pos;
|
||
594 | FLayer layer; |
||
595 | int layerPos = -1; |
||
596 | Object obj;
|
||
597 | LayersGroupEvent event; |
||
598 | for (pos = 0; pos < printList.size(); pos++) { |
||
599 | if (cancel.isCanceled()) {
|
||
600 | return;
|
||
601 | } |
||
602 | |||
603 | obj = printList.get(pos); |
||
604 | if (obj instanceof LayersGroupEvent) { |
||
605 | event = (LayersGroupEvent) obj; |
||
606 | if (event.type == LayersGroupEvent.IN_Event) {
|
||
607 | // System.out.println("=======Empiza a pintar grupo de capas "+
|
||
608 | // ((FLayers)event.group).getName() +"============");
|
||
609 | event.group.beginDraw(g, viewPort); |
||
610 | } else {
|
||
611 | event.group.endDraw(g, viewPort); |
||
612 | // System.out.println("=======Fin a pintar grupo de capas "+
|
||
613 | // ((FLayers)event.group).getName() +"============");
|
||
614 | |||
615 | 44245 | jjdelcerro | } |
616 | 44453 | omartinez | continue;
|
617 | } |
||
618 | layerPos++; |
||
619 | 40435 | jjdelcerro | |
620 | 44453 | omartinez | layer = (FLayer) obj; |
621 | 40435 | jjdelcerro | |
622 | 44453 | omartinez | // *** Pintado de capa/composicion de capa ***
|
623 | if (composed == null) { |
||
624 | composed = layer.newComposedLayer(); |
||
625 | if (composed != null) { |
||
626 | try {
|
||
627 | composed.add(layer); |
||
628 | // System.out.println("=======Imprimiendo composicion de pintado "+
|
||
629 | // (layerPos-1)+" ============");
|
||
630 | continue;
|
||
631 | } catch (Exception e) { |
||
632 | throw new ReadException( |
||
633 | "DefaultMapContexDrawer exception", e);
|
||
634 | } |
||
635 | } |
||
636 | } else {
|
||
637 | if (composed.canAdd(layer)) {
|
||
638 | try {
|
||
639 | composed.add(layer); |
||
640 | 45384 | fdiaz | // System.out.println("=== a�adiendo a composicion de pintado "+
|
641 | 44453 | omartinez | // layerPos+ " "+layer.getName());
|
642 | continue;
|
||
643 | } catch (Exception e) { |
||
644 | throw new ReadException( |
||
645 | "DefaultMapContexDrawer exception", e);
|
||
646 | } |
||
647 | } else {
|
||
648 | // System.out.println("=======Imprimiendo composicion de pintado "+
|
||
649 | // (layerPos-1)+" ============");
|
||
650 | this.print(composed, g, cancel, scale, properties);
|
||
651 | // composed.print( g, viewPort, cancel, scale,properties);
|
||
652 | composed = layer.newComposedLayer(); |
||
653 | if (composed != null) { |
||
654 | try {
|
||
655 | composed.add(layer); |
||
656 | 45384 | fdiaz | // System.out.println("=== a�adiendo a composicion de pintado "+
|
657 | 44453 | omartinez | // layerPos+ " "+layer.getName());
|
658 | continue;
|
||
659 | } catch (Exception e) { |
||
660 | throw new ReadException( |
||
661 | "DefaultMapContexDrawer exception", e);
|
||
662 | } |
||
663 | } |
||
664 | } |
||
665 | } |
||
666 | // System.out.println("=== imprimiendo "+ layerPos+
|
||
667 | // " "+layer.getName());
|
||
668 | this.print(layer, g, cancel, scale, properties);
|
||
669 | // layer.print(g, viewPort, cancel, scale,properties);
|
||
670 | // *** Pintado de capa/composicion de capa ***
|
||
671 | if (composed != null) { |
||
672 | // si la composicion no se ha pintado la pintamos
|
||
673 | // System.out.println("=======Imprimiendo composicion de pintado "+
|
||
674 | // (layerPos-1)+" (ultimo) ============");
|
||
675 | this.print(composed, g, cancel, scale, properties);
|
||
676 | // composed.print(g, viewPort, cancel, scale, properties);
|
||
677 | composed = null;
|
||
678 | } |
||
679 | } |
||
680 | 40435 | jjdelcerro | |
681 | 44453 | omartinez | } |
682 | 40435 | jjdelcerro | |
683 | 44453 | omartinez | private DrawList createDrawList(FLayers root, Cancellable cancel,
|
684 | double scale) {
|
||
685 | DrawList result = new DrawList(this.previousDrawList); |
||
686 | Iterator iter = new MyLayerIterator((FLayer) root, scale); |
||
687 | while (iter.hasNext()) {
|
||
688 | if (cancel.isCanceled()) {
|
||
689 | return null; |
||
690 | } |
||
691 | result.add(iter.next()); |
||
692 | } |
||
693 | if (cancel.isCanceled()) {
|
||
694 | return null; |
||
695 | } |
||
696 | // Take into account also the Graphic layer
|
||
697 | for (VectorLayer graphicsLayer : mapContext.getGraphicsLayers()) {
|
||
698 | if (graphicsLayer != null && |
||
699 | graphicsLayer.isAvailable() && |
||
700 | graphicsLayer.isVisible() && |
||
701 | graphicsLayer.isWithinScale(scale)) { |
||
702 | result.add(graphicsLayer); |
||
703 | } |
||
704 | } |
||
705 | return result;
|
||
706 | } |
||
707 | 40435 | jjdelcerro | |
708 | 44453 | omartinez | private List createPrintList(FLayers root, Cancellable cancel) { |
709 | List result = new ArrayList(); |
||
710 | Iterator iter = new SimpleLayerIterator((FLayer) root); |
||
711 | while (iter.hasNext()) {
|
||
712 | if (cancel.isCanceled()) {
|
||
713 | return null; |
||
714 | } |
||
715 | result.add(iter.next()); |
||
716 | } |
||
717 | return result;
|
||
718 | } |
||
719 | 40435 | jjdelcerro | |
720 | 44453 | omartinez | private class MyLayerIterator implements Iterator { |
721 | 40435 | jjdelcerro | |
722 | 44453 | omartinez | List layersList = new ArrayList(); |
723 | int index = 0; |
||
724 | double scale = 0; |
||
725 | 40435 | jjdelcerro | |
726 | 44453 | omartinez | public MyLayerIterator(FLayer layer, double scale) { |
727 | this.scale = scale;
|
||
728 | this.appendLayer(layer);
|
||
729 | } |
||
730 | 40435 | jjdelcerro | |
731 | 44453 | omartinez | protected void appendLayer(FLayer layer) { |
732 | if (layer instanceof LayerCollection) { |
||
733 | appendLayers((LayerCollection) layer); |
||
734 | } else if (this.evaluate(layer)) { |
||
735 | layersList.add(layer); |
||
736 | } |
||
737 | } |
||
738 | 40435 | jjdelcerro | |
739 | 44453 | omartinez | private void appendLayers(LayerCollection layers) { |
740 | int i;
|
||
741 | layersList.add(new LayersGroupEvent(layers,
|
||
742 | LayersGroupEvent.IN_Event)); |
||
743 | for (i = 0; i < layers.getLayersCount(); i++) { |
||
744 | appendLayer(layers.getLayer(i)); |
||
745 | } |
||
746 | layersList.add(new LayersGroupEvent(layers,
|
||
747 | LayersGroupEvent.OUT_Event)); |
||
748 | } |
||
749 | 40435 | jjdelcerro | |
750 | 44453 | omartinez | public void remove() { |
751 | throw new UnsupportedOperationException(); |
||
752 | } |
||
753 | 40435 | jjdelcerro | |
754 | 44453 | omartinez | public boolean hasNext() { |
755 | return index < layersList.size();
|
||
756 | } |
||
757 | 40435 | jjdelcerro | |
758 | 44453 | omartinez | public Object next() { |
759 | if (!this.hasNext()) { |
||
760 | throw new NoSuchElementException(); |
||
761 | } |
||
762 | Object aux = layersList.get(index);
|
||
763 | index++; |
||
764 | return aux;
|
||
765 | } |
||
766 | 40435 | jjdelcerro | |
767 | 44453 | omartinez | public boolean evaluate(FLayer layer) { |
768 | if (layer instanceof LayerCollection) { |
||
769 | return false; |
||
770 | } |
||
771 | return layer.isAvailable() && layer.isVisible()
|
||
772 | && layer.isWithinScale(this.scale);
|
||
773 | } |
||
774 | 40435 | jjdelcerro | |
775 | 44453 | omartinez | } |
776 | 40435 | jjdelcerro | |
777 | 44453 | omartinez | private class LayersGroupEvent { |
778 | 41840 | jjdelcerro | |
779 | 44453 | omartinez | public static final String IN_Event = "in"; |
780 | public static final String OUT_Event = "Out"; |
||
781 | |||
782 | private LayerCollection group = null; |
||
783 | private String type = IN_Event; |
||
784 | |||
785 | public LayersGroupEvent(LayerCollection group, String type) { |
||
786 | this.group = group;
|
||
787 | this.type = type;
|
||
788 | } |
||
789 | |||
790 | public String getType() { |
||
791 | return type;
|
||
792 | } |
||
793 | |||
794 | public LayerCollection getGroup() {
|
||
795 | return group;
|
||
796 | } |
||
797 | } |
||
798 | |||
799 | 41840 | jjdelcerro | public static class RegisterMapContextDrawer implements Callable { |
800 | |||
801 | public Object call() { |
||
802 | MapContextManager manager = MapContextLocator.getMapContextManager(); |
||
803 | try {
|
||
804 | 44453 | omartinez | manager.setDefaultMapContextDrawer(DefaultMapContextDrawer.class); |
805 | 41840 | jjdelcerro | } catch (MapContextException ex) {
|
806 | 44453 | omartinez | throw new RuntimeException("Can't register the default MapContextDrawer", ex); |
807 | 41840 | jjdelcerro | } |
808 | return Boolean.TRUE; |
||
809 | } |
||
810 | } |
||
811 | 40435 | jjdelcerro | } |