1 | <html> |
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2 | <head> |
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3 | <script src="../OLLoader.js"></script> |
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4 | <script type="text/javascript"> |
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5 | var supported = OpenLayers.Renderer.Canvas.prototype.supported(); |
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6 | |
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7 | var map, layer; |
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8 | function setUp() { |
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9 | map = new OpenLayers.Map("map"); |
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10 | layer = new OpenLayers.Layer.Vector(null, { |
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11 | isBaseLayer: true, |
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12 | renderers: ["Canvas"] |
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13 | }); |
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14 | map.addLayer(layer); |
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15 | map.setCenter(new OpenLayers.LonLat(0, 0)); |
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16 | } |
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17 | |
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18 | function tearDown() { |
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19 | map.destroy(); |
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20 | map = null; |
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21 | layer = null; |
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22 | } |
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23 | |
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24 | function test_Renderer_Canvas_constructor(t) { |
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25 | if (!supported) { t.plan(0); return; } |
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26 | t.plan(2); |
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27 | var el = document.body; |
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28 | el.id = "foo"; |
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29 | var r = new OpenLayers.Renderer.Canvas(el.id); |
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30 | |
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31 | t.ok(r instanceof OpenLayers.Renderer.Canvas, "new OpenLayers.Renderer.Canvas returns Renderer.Canvas object" ); |
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32 | t.ok(r.container == el, "renderer container is correctly set"); |
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33 | r.destroy(); |
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34 | } |
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35 | |
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36 | function test_Renderer_Canvas_setextent(t) { |
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37 | if (!supported) { t.plan(0); return; } |
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38 | t.plan(2); |
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39 | |
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40 | setUp(); |
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41 | |
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42 | var r = layer.renderer; |
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43 | var extent = new OpenLayers.Bounds(1,2,3,4); |
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44 | r.resolution = 1; |
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45 | r.setExtent(extent, true); |
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46 | t.ok(r.extent.equals(extent), "extent is correctly set"); |
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47 | t.eq(r.resolution, null, "resolution nullified"); |
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48 | |
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49 | tearDown(); |
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50 | } |
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51 | |
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52 | function test_Renderer_Canvas_setsize(t) { |
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53 | if (!supported) { t.plan(0); return; } |
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54 | t.plan(2); |
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55 | |
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56 | var el = document.body; |
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57 | el.id = "foo"; |
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58 | var r = new OpenLayers.Renderer.Canvas(el.id); |
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59 | var size = new OpenLayers.Size(1,2); |
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60 | r.resolution = 1; |
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61 | r.setSize(size); |
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62 | t.ok(r.size.equals(size), "size is correctly set"); |
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63 | t.eq(r.resolution, null, "resolution nullified"); |
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64 | r.destroy(); |
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65 | } |
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66 | |
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67 | function test_Renderer_Canvas_getresolution(t) { |
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68 | if (!supported) { t.plan(0); return; } |
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69 | t.plan(2); |
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70 | |
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71 | var el = document.body; |
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72 | el.id = "foo"; |
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73 | var r = new OpenLayers.Renderer.Canvas(el.id); |
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74 | var map = new OpenLayers.Map("map"); |
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75 | r.map = map; |
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76 | var resolution = r.getResolution(); |
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77 | t.eq(resolution, map.getResolution(), "resolution matches the map resolution"); |
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78 | t.eq(r.resolution, resolution, "resolution is correctly set"); |
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79 | map.destroy(); |
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80 | } |
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81 | |
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82 | function test_featureIdToHex(t) { |
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83 | if (!supported) { |
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84 | t.plan(0); |
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85 | return; |
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86 | } |
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87 | t.plan(2); |
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88 | var el = document.body; |
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89 | el.id = "foo"; |
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90 | var renderer = new OpenLayers.Renderer.Canvas(el.id); |
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91 | |
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92 | var cases = [{ |
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93 | id: "foo_0", hex: "#000001" |
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94 | }, { |
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95 | id: "foo_10", hex: "#00000b" |
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96 | }, { |
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97 | id: "foo_100", hex: "#000065" |
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98 | }, { |
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99 | id: "foo_1000000", hex: "#0f4241" |
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100 | }, { |
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101 | id: "foo_16777214", hex: "#ffffff" |
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102 | }, { |
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103 | id: "foo_16777215", hex: "#000001" |
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104 | }]; |
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105 | t.plan(cases.length); |
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106 | |
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107 | var c; |
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108 | for (var i=0; i<cases.length; ++i) { |
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109 | c = cases[i]; |
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110 | t.eq(renderer.featureIdToHex(c.id), c.hex, c.id); |
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111 | } |
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112 | |
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113 | renderer.destroy(); |
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114 | } |
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115 | |
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116 | |
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117 | function test_Renderer_Canvas_destroy(t) { |
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118 | if (!supported) { t.plan(0); return; } |
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119 | t.plan(5); |
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120 | |
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121 | var el = document.body; |
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122 | el.id = "foo"; |
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123 | var r = new OpenLayers.Renderer.Canvas(el.id); |
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124 | r.container = document.createElement("div"); |
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125 | r.extent = new OpenLayers.Bounds(1,2,3,4); |
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126 | r.size = new OpenLayers.Size(1,2); |
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127 | r.resolution = 1; |
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128 | r.map = {}; |
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129 | |
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130 | r.destroy(); |
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131 | |
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132 | t.eq(r.container, null, "container nullified"); |
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133 | t.eq(r.extent, null, "extent nullified"); |
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134 | t.eq(r.size, null, "size nullified"); |
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135 | t.eq(r.resolution, null, "resolution nullified"); |
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136 | t.eq(r.map, null, "map nullified"); |
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137 | } |
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138 | |
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139 | function test_drawFeature(t) { |
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140 | if (!supported) { |
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141 | t.plan(0); |
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142 | return; |
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143 | } |
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144 | |
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145 | t.plan(10); |
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146 | |
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147 | setUp(); |
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148 | |
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149 | var renderer = layer.renderer; |
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150 | var count = 0; |
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151 | var redraw = layer.renderer.redraw; |
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152 | renderer.redraw = function() { |
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153 | ++count; |
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154 | redraw.apply(this, arguments); |
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155 | } |
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156 | var exp; |
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157 | |
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158 | // a) draw a point feature |
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159 | count = 0; |
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160 | exp = renderer.drawFeature( |
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161 | new OpenLayers.Feature.Vector(new OpenLayers.Geometry.Point(0, 0)), {} |
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162 | ); |
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163 | t.eq(exp, true, "a) drawFeature returns true"); |
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164 | t.eq(count, 1, "a) redraw called once after drawing a point feature"); |
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165 | renderer.clear(); |
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166 | |
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167 | // b) draw one feature with no geometry |
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168 | count = 0; |
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169 | exp = renderer.drawFeature( |
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170 | new OpenLayers.Feature.Vector(), {} |
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171 | ); |
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172 | t.eq(exp, undefined, "b) drawFeature returns undefined"); |
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173 | t.eq(count, 0, "b) redraw is not called when drawing a feature with no geometry"); |
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174 | renderer.clear(); |
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175 | |
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176 | // c) draw a point feature with display "none" |
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177 | count = 0; |
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178 | exp = renderer.drawFeature( |
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179 | new OpenLayers.Feature.Vector(new OpenLayers.Geometry.Point(1, 0)), |
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180 | {display: "none"} |
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181 | ); |
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182 | t.eq(exp, false, "c) drawFeature returns false"); |
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183 | t.eq(count, 1, "c) redraw is called when drawing a feature with display 'none'"); |
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184 | renderer.clear(); |
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185 | |
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186 | // d) draw a point feature outside renderer extent |
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187 | count = 0; |
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188 | exp = renderer.drawFeature( |
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189 | new OpenLayers.Feature.Vector(new OpenLayers.Geometry.Point(-1000, 0)), {} |
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190 | ); |
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191 | t.eq(exp, false, "d) drawFeature returns false"); |
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192 | t.eq(count, 1, "d) redraw is called when drawing a feature outside renderer extent"); |
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193 | renderer.clear(); |
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194 | |
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195 | // e) draw a polygon feature without bounds |
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196 | count = 0; |
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197 | exp = renderer.drawFeature( |
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198 | new OpenLayers.Feature.Vector(new OpenLayers.Geometry.Polygon()), {} |
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199 | ); |
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200 | t.eq(exp, false, "d) drawFeature returns false"); |
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201 | t.eq(count, 1, "d) redraw is called when drawing a feature without bounds"); |
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202 | renderer.clear(); |
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203 | |
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204 | tearDown(); |
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205 | } |
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206 | |
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207 | |
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208 | function test_pendingRedraw(t) { |
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209 | if (!supported) { |
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210 | t.plan(0); |
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211 | return; |
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212 | } |
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213 | |
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214 | t.plan(4); |
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215 | var layer = new OpenLayers.Layer.Vector(null, { |
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216 | isBaseLayer: true, |
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217 | renderers: ["Canvas"] |
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218 | }); |
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219 | |
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220 | var map = new OpenLayers.Map({ |
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221 | div: "map", |
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222 | controls: [], |
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223 | layers: [layer], |
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224 | center: new OpenLayers.LonLat(0, 0), |
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225 | zoom: 0 |
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226 | }); |
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227 | |
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228 | var count = 0; |
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229 | var redraw = layer.renderer.redraw; |
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230 | layer.renderer.redraw = function() { |
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231 | ++count; |
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232 | redraw.apply(this, arguments); |
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233 | } |
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234 | |
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235 | // add one point feature and confirm redraw is called once |
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236 | count = 0; |
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237 | layer.addFeatures([ |
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238 | new OpenLayers.Feature.Vector(new OpenLayers.Geometry.Point(0, 0)) |
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239 | ]); |
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240 | t.eq(count, 1, "redraw called once after adding one point feature"); |
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241 | |
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242 | // add one feature with no geometry and confirm redraw is not called |
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243 | count = 0; |
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244 | layer.addFeatures([ |
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245 | new OpenLayers.Feature.Vector() |
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246 | ]); |
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247 | t.eq(count, 0, "redraw is not called when adding a feature with no geometry"); |
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248 | |
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249 | // add one point feature, one feature with no geom, and one point feature and confirm redraw is called once |
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250 | count = 0; |
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251 | layer.addFeatures([ |
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252 | new OpenLayers.Feature.Vector(new OpenLayers.Geometry.Point(1, 0)), |
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253 | new OpenLayers.Feature.Vector(), |
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254 | new OpenLayers.Feature.Vector(new OpenLayers.Geometry.Point(0, 1)) |
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255 | ]); |
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256 | t.eq(count, 1, "redraw called once after adding three features where middle one has no geometry"); |
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257 | |
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258 | // add two point features and one feature with no geom, and confirm redraw is called once |
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259 | count = 0; |
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260 | layer.addFeatures([ |
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261 | new OpenLayers.Feature.Vector(new OpenLayers.Geometry.Point(1, 0)), |
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262 | new OpenLayers.Feature.Vector(new OpenLayers.Geometry.Point(0, 1)), |
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263 | new OpenLayers.Feature.Vector() |
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264 | ]); |
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265 | t.eq(count, 1, "redraw called once after adding three features where last one has no geometry"); |
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266 | |
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267 | map.destroy(); |
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268 | } |
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269 | |
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270 | function test_hitDetection(t) { |
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271 | if (!supported) { |
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272 | t.plan(0); |
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273 | return; |
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274 | } |
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275 | |
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276 | var layer = new OpenLayers.Layer.Vector(null, { |
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277 | isBaseLayer: true, |
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278 | resolutions: [1], |
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279 | styleMap: new OpenLayers.StyleMap({ |
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280 | pointRadius: 5, |
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281 | strokeWidth: 3, |
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282 | fillColor: "red", |
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283 | fillOpacity: 0.5, |
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284 | strokeColor: "blue", |
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285 | strokeOpacity: 0.75 |
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286 | }), |
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287 | renderers: ["Canvas"] |
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288 | }); |
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289 | |
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290 | var map = new OpenLayers.Map({ |
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291 | div: "map", |
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292 | controls: [], |
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293 | layers: [layer], |
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294 | center: new OpenLayers.LonLat(0, 0), |
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295 | zoom: 0 |
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296 | }); |
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297 | |
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298 | layer.addFeatures([ |
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299 | new OpenLayers.Feature.Vector( |
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300 | new OpenLayers.Geometry.Point(-100, 0) |
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301 | ), |
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302 | new OpenLayers.Feature.Vector( |
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303 | OpenLayers.Geometry.fromWKT("LINESTRING(-50 0, 50 0)") |
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304 | ), |
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305 | new OpenLayers.Feature.Vector( |
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306 | OpenLayers.Geometry.fromWKT("POLYGON((100 -25, 150 -25, 150 25, 100 25, 100 -25), (120 -5, 130 -5, 130 5, 120 5, 120 -5))") |
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307 | ), |
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308 | new OpenLayers.Feature.Vector( |
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309 | new OpenLayers.Geometry.Point(80, 0), {}, { |
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310 | graphicName: "square", |
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311 | pointRadius: 8, |
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312 | strokeWidth: 4, |
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313 | fillColor: "red", |
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314 | fillOpacity: 0.5, |
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315 | strokeColor: "blue", |
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316 | strokeOpacity: 0.75 |
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317 | } |
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318 | ) |
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319 | ]); |
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320 | |
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321 | var cases = [{ |
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322 | msg: "center of point", x: -100, y: 0, id: layer.features[0].id |
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323 | }, { |
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324 | msg: "edge of point", x: -103, y: 3, id: layer.features[0].id |
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325 | }, { |
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326 | msg: "outside point", x: -110, y: 3, id: null |
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327 | }, { |
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328 | msg: "center of line", x: 0, y: 0, id: layer.features[1].id |
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329 | }, { |
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330 | msg: "edge of line", x: 0, y: 1, id: layer.features[1].id |
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331 | }, { |
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332 | msg: "outside line", x: 0, y: 5, id: null |
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333 | }, { |
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334 | msg: "inside polygon", x: 110, y: 0, id: layer.features[2].id |
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335 | }, { |
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336 | msg: "edge of polygon", x: 99, y: 0, id: layer.features[2].id |
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337 | }, { |
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338 | msg: "inside polygon hole", x: 125, y: 0, id: null |
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339 | }, { |
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340 | msg: "outside polygon", x: 155, y: 0, id: null |
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341 | }, { |
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342 | msg: "inside symbol", x: 80, y: 0, id: layer.features[3].id |
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343 | }, { |
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344 | msg: "outside symbol interior, inside symbol edge", x: 90, y: 8, id: layer.features[3].id |
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345 | }, { |
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346 | msg: "outside symbol", x: 94, y: 0, id: null |
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347 | }]; |
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348 | |
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349 | function px(x, y) { |
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350 | return map.getPixelFromLonLat( |
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351 | new OpenLayers.LonLat(x, y) |
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352 | ); |
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353 | } |
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354 | |
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355 | var num = cases.length; |
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356 | t.plan(2 * num); |
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357 | var c, feature; |
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358 | for (var i=0; i<num; ++i) { |
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359 | c = cases[i]; |
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360 | feature = layer.renderer.getFeatureIdFromEvent({xy: px(c.x, c.y)}); |
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361 | t.eq(feature && feature.id, c.id, c.msg); |
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362 | |
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363 | // Extra test: hit detection on an invisible canvas should return undefined |
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364 | layer.setVisibility(false); |
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365 | feature = layer.renderer.getFeatureIdFromEvent({xy: px(c.x, c.y)}); |
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366 | t.eq(feature, undefined, c.msg + ' (invisible)'); |
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367 | layer.setVisibility(true); |
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368 | } |
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369 | |
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370 | map.destroy(); |
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371 | |
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372 | } |
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373 | |
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374 | // see http://trac.osgeo.org/openlayers/ticket/3264 |
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375 | function test_externalGraphic_destroyFeatures(t) { |
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376 | if (!supported) { |
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377 | t.plan(0); |
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378 | return; |
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379 | } |
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380 | |
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381 | t.plan(1); |
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382 | |
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383 | // set up |
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384 | |
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385 | var layer = new OpenLayers.Layer.Vector(null, { |
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386 | isBaseLayer: true, |
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387 | renderers: ["Canvas"] |
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388 | }); |
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389 | |
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390 | var map = new OpenLayers.Map({ |
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391 | div: "map", |
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392 | controls: [], |
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393 | layers: [layer], |
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394 | center: new OpenLayers.LonLat(0, 0), |
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395 | zoom: 0 |
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396 | }); |
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397 | |
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398 | layer.addFeatures([ |
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399 | new OpenLayers.Feature.Vector( |
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400 | new OpenLayers.Geometry.Point(0, 0), |
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401 | null, |
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402 | { |
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403 | externalGraphic: '../../img/marker.png', |
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404 | graphicHeight: 20, |
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405 | graphicWidth: 20 |
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406 | } |
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407 | ) |
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408 | ]); |
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409 | |
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410 | var called = false; |
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411 | layer.renderer.canvas.drawImage = function(img, x, y, w, h) { |
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412 | called = true; |
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413 | }; |
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414 | |
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415 | // test |
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416 | |
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417 | // schedule a canvas.drawImage |
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418 | layer.renderer.redraw(); |
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419 | |
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420 | // destroy the feature before drawImage gets called |
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421 | layer.destroyFeatures(); |
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422 | |
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423 | t.delay_call(0.1, function() { |
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424 | t.ok(!called, |
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425 | 'canvas.drawImage not called if feature is destroyed'); |
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426 | |
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427 | // tear down |
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428 | map.destroy(); |
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429 | }); |
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430 | } |
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431 | |
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432 | // see http://trac.osgeo.org/openlayers/ticket/3264 |
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433 | function test_externalGraphic_moveTo(t) { |
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434 | if (!supported) { |
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435 | t.plan(0); |
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436 | return; |
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437 | } |
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438 | |
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439 | t.plan(2); |
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440 | |
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441 | // set up |
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442 | |
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443 | var layer = new OpenLayers.Layer.Vector(null, { |
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444 | isBaseLayer: true, |
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445 | renderers: ["Canvas"] |
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446 | }); |
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447 | |
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448 | var map = new OpenLayers.Map({ |
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449 | div: "map", |
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450 | controls: [], |
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451 | layers: [layer], |
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452 | center: new OpenLayers.LonLat(0, 0), |
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453 | zoom: 0 |
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454 | }); |
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455 | |
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456 | var feature = new OpenLayers.Feature.Vector( |
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457 | new OpenLayers.Geometry.Point(0, 0), |
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458 | null, |
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459 | { |
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460 | externalGraphic: '../../img/marker.png', |
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461 | graphicHeight: 20, |
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462 | graphicWidth: 20, |
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463 | graphicXOffset: 0, |
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464 | graphicYOffset: 0 |
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465 | } |
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466 | ); |
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467 | |
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468 | layer.addFeatures([feature]); |
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469 | |
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470 | // test |
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471 | |
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472 | // delay_call to let the first drawImage (the one |
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473 | // resulting from addFeatures) run |
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474 | t.delay_call(0.1, function() { |
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475 | |
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476 | var log = []; |
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477 | layer.renderer.canvas.drawImage = function(img, x, y, w, h) { |
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478 | log.push({x: x, y: y}); |
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479 | }; |
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480 | |
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481 | layer.renderer.redraw(); |
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482 | map.setCenter(new OpenLayers.LonLat(45, 0), 0); |
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483 | |
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484 | t.delay_call(0.1, function() { |
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485 | t.eq(log.length, 2, |
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486 | "canvas.drawImage called twice"); |
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487 | t.ok(log[0].x == log[1].x && log[0].y == log[1].y, |
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488 | "image drawn at the same location"); |
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489 | |
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490 | // tear down |
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491 | map.destroy(); |
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492 | }); |
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493 | }); |
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494 | } |
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495 | |
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496 | </script> |
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497 | </head> |
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498 | <body> |
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499 | <div id="map" style="width:500px;height:550px"></div> |
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500 | </body> |
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501 | </html> |
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