svn-gvsig-desktop / branches / v2_0_0_prep / libraries / libFMap / src-test / org / gvsig / fmap / mapcontext / rendering / symbols / TestDrawMarkers.java @ 20984
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1 | 18627 | jdominguez | /* gvSIG. Sistema de Informaci�n Geogr�fica de la Generalitat Valenciana
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2 | *
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3 | * Copyright (C) 2005 IVER T.I. and Generalitat Valenciana.
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4 | *
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5 | * This program is free software; you can redistribute it and/or
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6 | * modify it under the terms of the GNU General Public License
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7 | * as published by the Free Software Foundation; either version 2
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8 | * of the License, or (at your option) any later version.
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9 | *
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10 | * This program is distributed in the hope that it will be useful,
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11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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13 | * GNU General Public License for more details.
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14 | *
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15 | * You should have received a copy of the GNU General Public License
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16 | * along with this program; if not, write to the Free Software
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17 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,USA.
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18 | *
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19 | * For more information, contact:
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20 | *
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21 | * Generalitat Valenciana
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22 | * Conselleria d'Infraestructures i Transport
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23 | * Av. Blasco Ib��ez, 50
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24 | * 46010 VALENCIA
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25 | * SPAIN
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26 | *
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27 | * +34 963862235
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28 | * gvsig@gva.es
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29 | * www.gvsig.gva.es
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30 | *
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31 | * or
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32 | *
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33 | * IVER T.I. S.A
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34 | * Salamanca 50
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35 | * 46005 Valencia
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36 | * Spain
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37 | *
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38 | * +34 963163400
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39 | * dac@iver.es
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40 | */
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41 | 20984 | jmvivo | package org.gvsig.fmap.mapcontext.rendering.symbols; |
42 | 18627 | jdominguez | |
43 | import java.awt.Color; |
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44 | import java.awt.Dimension; |
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45 | import java.awt.Graphics2D; |
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46 | import java.awt.Rectangle; |
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47 | import java.awt.geom.AffineTransform; |
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48 | import java.awt.geom.Point2D; |
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49 | import java.awt.image.BufferedImage; |
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50 | 20707 | vcaballero | import java.io.File; |
51 | import java.io.IOException; |
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52 | 18627 | jdominguez | import java.util.ArrayList; |
53 | import java.util.Random; |
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54 | |||
55 | 20707 | vcaballero | import javax.imageio.ImageIO; |
56 | |||
57 | 20984 | jmvivo | import org.gvsig.fmap.core.shapes.FPoint2D; |
58 | import org.gvsig.fmap.mapcontext.rendering.symbols.IMarkerSymbol; |
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59 | import org.gvsig.fmap.mapcontext.rendering.symbols.ISymbol; |
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60 | |||
61 | |||
62 | 18627 | jdominguez | import junit.framework.TestCase; |
63 | |||
64 | |||
65 | /**
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66 | * Integration test to test that Marker symbols always draw in the same
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67 | * place respecting size constraints.
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68 | *
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69 | * @author jaume dominguez faus - jaume.dominguez@iver.es
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70 | */
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71 | public class TestDrawMarkers extends TestCase { |
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72 | private IMarkerSymbol[] symbols; |
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73 | private final Dimension sz = new Dimension(400, 400); |
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74 | private final FPoint2D centerP = new FPoint2D(sz.width/2, sz.height/2); |
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75 | private static final int OUTTER_TOLERANCE = 1; |
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76 | private static final int INNER_TOLERANCE = 1; |
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77 | |||
78 | private static final double sizes[] = new double[] { |
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79 | 200,
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80 | 100,
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81 | 50,
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82 | 30,
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83 | 16,
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84 | 5,
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85 | 3,
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86 | 2,
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87 | // smaller sizes don't make any sense
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88 | |||
89 | }; |
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90 | |||
91 | |||
92 | |||
93 | protected void setUp() throws Exception { |
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94 | // get all the symbols in the Test Suite
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95 | super.setUp();
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96 | |||
97 | ISymbol[] allSymbols = TestISymbol.getNewSymbolInstances();
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98 | // Filter the marker ones
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99 | ArrayList symbols = new ArrayList(); |
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100 | |||
101 | for (int i = 0; i < allSymbols.length; i++) { |
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102 | if (allSymbols[i] instanceof IMarkerSymbol) { |
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103 | IMarkerSymbol sym = (IMarkerSymbol) allSymbols[i]; |
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104 | symbols.add(sym); |
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105 | |||
106 | } |
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107 | } |
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108 | this.symbols = (IMarkerSymbol[]) symbols.toArray(new IMarkerSymbol[symbols.size()]); |
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109 | } |
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110 | |||
111 | public void testDrawingSize() { |
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112 | for (int i = 0; i < symbols.length; i++) { |
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113 | for (int j = 0; j < sizes.length; j++) { |
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114 | // new blank buffered image
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115 | BufferedImage bi = new BufferedImage(sz.width, sz.height, BufferedImage.TYPE_INT_ARGB); |
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116 | |||
117 | // the graphics for the image, so we can draw onto the buffered image
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118 | Graphics2D g = bi.createGraphics();
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119 | |||
120 | IMarkerSymbol testSymbol = symbols[i]; |
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121 | testSymbol.setColor(Color.YELLOW);
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122 | testSymbol.setSize(sizes[j]); |
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123 | String name = testSymbol.getClassName().substring(
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124 | testSymbol.getClassName().lastIndexOf('.')+1, |
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125 | testSymbol.getClassName().length()); |
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126 | |||
127 | testSymbol.draw(g, new AffineTransform(), centerP, null); |
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128 | |||
129 | Rectangle wrappingRect = new Rectangle( |
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130 | (int) (centerP.getX()-sizes[j]/2), |
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131 | (int) (centerP.getY()-sizes[j]/2), |
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132 | (int) (sizes[j]),
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133 | (int) (sizes[j]));
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134 | |||
135 | // if (testSymbol instanceof CharacterMarkerSymbol)
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136 | // continue;
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137 | 20707 | vcaballero | |
138 | |||
139 | 18627 | jdominguez | |
140 | 20707 | vcaballero | |
141 | 18627 | jdominguez | assertFalse("fails sizing marker, too big ("+name+", "+sizes[j]+"px)", isOutsideRect(bi, wrappingRect, OUTTER_TOLERANCE )); |
142 | assertTrue("fails sizing marker, too small ("+name+", "+sizes[j]+"px) \n" + |
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143 | "\t - forgot to enable ANTIALIASING?", fitsInsideRect(bi, wrappingRect, INNER_TOLERANCE));
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144 | |||
145 | 20707 | vcaballero | |
146 | 18627 | jdominguez | } |
147 | } |
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148 | } |
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149 | |||
150 | public void testDrawingOffset() { |
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151 | Random random = new Random(System.currentTimeMillis()); |
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152 | for (int i = 0; i < symbols.length; i++) { |
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153 | for (int j = 0; j < sizes.length; j++) { |
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154 | // new blank buffered image
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155 | BufferedImage bi = new BufferedImage(sz.width, sz.height, BufferedImage.TYPE_INT_ARGB); |
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156 | |||
157 | // the graphics for the image, so we can draw onto the buffered image
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158 | Graphics2D g = bi.createGraphics();
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159 | |||
160 | IMarkerSymbol testSymbol = symbols[i]; |
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161 | testSymbol.setColor(Color.YELLOW);
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162 | testSymbol.setSize(sizes[j]); |
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163 | |||
164 | String name = testSymbol.getClassName().substring(
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165 | testSymbol.getClassName().lastIndexOf('.')+1, |
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166 | testSymbol.getClassName().length()); |
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167 | |||
168 | double xOffset = (random.nextDouble()-0.5)*sz.width; |
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169 | double yOffset = (random.nextDouble()-0.5)*sz.height; |
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170 | |||
171 | testSymbol.setOffset(new Point2D.Double(xOffset, yOffset)); |
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172 | |||
173 | Rectangle wrappingRect = new Rectangle( |
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174 | (int) ((centerP.getX()-sizes[j]/2) + xOffset), |
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175 | (int) ((centerP.getY()-sizes[j]/2) + yOffset), |
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176 | (int) (sizes[j]),
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177 | (int) (sizes[j]));
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178 | |||
179 | // if (testSymbol instanceof CharacterMarkerSymbol)
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180 | // continue;
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181 | 20707 | vcaballero | |
182 | |||
183 | 18627 | jdominguez | |
184 | testSymbol.draw(g, new AffineTransform(), centerP, null); |
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185 | assertFalse("fails sizing marker, too big ("+name+", "+sizes[j]+"px)", isOutsideRect(bi, wrappingRect, OUTTER_TOLERANCE )); |
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186 | assertTrue("fails sizing marker, too small ("+name+", "+sizes[j]+"px) \n" + |
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187 | "\t - forgot to enable ANTIALIASING?", fitsInsideRect(bi, wrappingRect, INNER_TOLERANCE));
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188 | |||
189 | } |
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190 | } |
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191 | } |
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192 | |||
193 | public void testDrawingRotation() { |
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194 | // TODO implement it
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195 | |||
196 | } |
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197 | |||
198 | private boolean fitsInsideRect(BufferedImage bi, Rectangle wrappingRect, int tolerance) { |
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199 | int myTolerance = Math.min(tolerance, wrappingRect.width); |
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200 | Rectangle myRect;
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201 | if (myTolerance >= INNER_TOLERANCE) {
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202 | myRect = new Rectangle( |
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203 | wrappingRect.x+myTolerance, |
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204 | wrappingRect.y+myTolerance, |
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205 | wrappingRect.width-myTolerance-myTolerance, |
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206 | wrappingRect.height-myTolerance-myTolerance); |
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207 | } else {
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208 | myRect = new Rectangle(-1, -1, 0, 0); // just ensure it does not disturb the check |
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209 | } |
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210 | |||
211 | for (int i = 0; i < bi.getWidth(); i++) { |
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212 | for (int j = 0; j < bi.getHeight(); j++) { |
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213 | if (wrappingRect.contains(i,j)
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214 | && !myRect.contains(i,j)) { |
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215 | |||
216 | if (bi.getRGB(i,j) != 0) |
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217 | return true; |
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218 | } |
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219 | } |
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220 | } |
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221 | return false; |
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222 | } |
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223 | |||
224 | private boolean isOutsideRect(BufferedImage bi, Rectangle wrappingRect, int tolerance) { |
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225 | Rectangle myRect = new Rectangle( |
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226 | wrappingRect.x-tolerance, |
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227 | wrappingRect.y-tolerance, |
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228 | wrappingRect.width+tolerance+tolerance, |
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229 | wrappingRect.height+tolerance+tolerance); |
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230 | for (int i = 0; i < bi.getWidth(); i++) { |
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231 | for (int j = 0; j < bi.getHeight(); j++) { |
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232 | if (!myRect.contains(i,j))
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233 | continue;
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234 | |||
235 | if (bi.getRGB(i,j) != 0) return false; |
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236 | } |
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237 | } |
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238 | return true; |
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239 | } |
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240 | } |
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241 | |||
242 | /// paste this piece of code to produce some png files to check visually what is happening
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243 | //g.setColor(Color.BLUE);
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244 | //Rectangle myRect = new Rectangle(
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245 | // wrappingRect.x+INNER_TOLERANCE,
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246 | // wrappingRect.y+INNER_TOLERANCE,
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247 | // wrappingRect.width-INNER_TOLERANCE-INNER_TOLERANCE,
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248 | // wrappingRect.height-INNER_TOLERANCE-INNER_TOLERANCE);
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249 | //
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250 | //g.draw(myRect);
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251 | //g.setColor(Color.RED);
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252 | //g.draw(wrappingRect);
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253 | //try {
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254 | //
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255 | // File dstDir = new File (System.getProperty("java.io.tmpdir")+"/prova-imatges/");
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256 | // if (!dstDir.exists()) dstDir.mkdir();
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257 | // ImageIO.write(bi, "png",
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258 | // new File(dstDir.getAbsoluteFile()+File.separator+
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259 | // name+"_size_"+sizes[j]
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260 | // +".png"));
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261 | //} catch (IOException e) {
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262 | // e.printStackTrace();
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263 | // fail();
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264 | //}
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265 | /// |