554 lines
26 KiB
HTML
554 lines
26 KiB
HTML
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<!doctype html>
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<html lang="en">
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<head>
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<title>Code coverage report for bitpacker.js</title>
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<meta charset="utf-8" />
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<link rel="stylesheet" href="prettify.css" />
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<link rel="stylesheet" href="base.css" />
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<link rel="shortcut icon" type="image/x-icon" href="favicon.png" />
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<meta name="viewport" content="width=device-width, initial-scale=1" />
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<style type='text/css'>
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.coverage-summary .sorter {
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background-image: url(sort-arrow-sprite.png);
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}
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</style>
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</head>
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<body>
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<div class='wrapper'>
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<div class='pad1'>
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<h1><a href="index.html">All files</a> bitpacker.js</h1>
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<div class='clearfix'>
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<div class='fl pad1y space-right2'>
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<span class="strong">11.36% </span>
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<span class="quiet">Statements</span>
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<span class='fraction'>10/88</span>
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</div>
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<div class='fl pad1y space-right2'>
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<span class="strong">6.12% </span>
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<span class="quiet">Branches</span>
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<span class='fraction'>3/49</span>
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<div class='fl pad1y space-right2'>
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<span class="strong">66.67% </span>
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<span class="quiet">Functions</span>
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<span class='fraction'>2/3</span>
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</div>
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<div class='fl pad1y space-right2'>
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<span class="strong">11.63% </span>
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<span class="quiet">Lines</span>
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<span class='fraction'>10/86</span>
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</div>
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</div>
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<p class="quiet">
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Press <em>n</em> or <em>j</em> to go to the next uncovered block, <em>b</em>, <em>p</em> or <em>k</em> for the previous block.
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</p>
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</div>
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<div class='status-line low'></div>
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<pre><table class="coverage">
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<tr><td class="line-count quiet"><a name='L1'></a><a href='#L1'>1</a>
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<a name='L2'></a><a href='#L2'>2</a>
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<a name='L3'></a><a href='#L3'>3</a>
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<a name='L4'></a><a href='#L4'>4</a>
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<a name='L5'></a><a href='#L5'>5</a>
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<a name='L6'></a><a href='#L6'>6</a>
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<a name='L7'></a><a href='#L7'>7</a>
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<a name='L8'></a><a href='#L8'>8</a>
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<a name='L9'></a><a href='#L9'>9</a>
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<a name='L10'></a><a href='#L10'>10</a>
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<a name='L11'></a><a href='#L11'>11</a>
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<a name='L12'></a><a href='#L12'>12</a>
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<a name='L13'></a><a href='#L13'>13</a>
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<a name='L14'></a><a href='#L14'>14</a>
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<a name='L15'></a><a href='#L15'>15</a>
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<a name='L16'></a><a href='#L16'>16</a>
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<a name='L17'></a><a href='#L17'>17</a>
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<a name='L18'></a><a href='#L18'>18</a>
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<a name='L19'></a><a href='#L19'>19</a>
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<a name='L20'></a><a href='#L20'>20</a>
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<a name='L21'></a><a href='#L21'>21</a>
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<a name='L22'></a><a href='#L22'>22</a>
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<a name='L23'></a><a href='#L23'>23</a>
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<a name='L24'></a><a href='#L24'>24</a>
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<a name='L25'></a><a href='#L25'>25</a>
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<a name='L26'></a><a href='#L26'>26</a>
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<a name='L27'></a><a href='#L27'>27</a>
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<a name='L28'></a><a href='#L28'>28</a>
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<a name='L29'></a><a href='#L29'>29</a>
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<a name='L30'></a><a href='#L30'>30</a>
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<a name='L31'></a><a href='#L31'>31</a>
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<a name='L32'></a><a href='#L32'>32</a>
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<a name='L33'></a><a href='#L33'>33</a>
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<a name='L34'></a><a href='#L34'>34</a>
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<a name='L35'></a><a href='#L35'>35</a>
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<a name='L36'></a><a href='#L36'>36</a>
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<a name='L37'></a><a href='#L37'>37</a>
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<a name='L38'></a><a href='#L38'>38</a>
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<a name='L39'></a><a href='#L39'>39</a>
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<a name='L40'></a><a href='#L40'>40</a>
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<a name='L41'></a><a href='#L41'>41</a>
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<a name='L42'></a><a href='#L42'>42</a>
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<a name='L43'></a><a href='#L43'>43</a>
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<a name='L44'></a><a href='#L44'>44</a>
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<a name='L45'></a><a href='#L45'>45</a>
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<a name='L46'></a><a href='#L46'>46</a>
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<a name='L47'></a><a href='#L47'>47</a>
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<a name='L48'></a><a href='#L48'>48</a>
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<a name='L49'></a><a href='#L49'>49</a>
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<a name='L50'></a><a href='#L50'>50</a>
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<a name='L51'></a><a href='#L51'>51</a>
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<a name='L52'></a><a href='#L52'>52</a>
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<a name='L53'></a><a href='#L53'>53</a>
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<a name='L54'></a><a href='#L54'>54</a>
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<a name='L55'></a><a href='#L55'>55</a>
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<a name='L56'></a><a href='#L56'>56</a>
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<a name='L57'></a><a href='#L57'>57</a>
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<a name='L58'></a><a href='#L58'>58</a>
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<a name='L59'></a><a href='#L59'>59</a>
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<a name='L60'></a><a href='#L60'>60</a>
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<a name='L61'></a><a href='#L61'>61</a>
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<a name='L62'></a><a href='#L62'>62</a>
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<a name='L63'></a><a href='#L63'>63</a>
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<a name='L64'></a><a href='#L64'>64</a>
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<a name='L65'></a><a href='#L65'>65</a>
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<a name='L66'></a><a href='#L66'>66</a>
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<a name='L67'></a><a href='#L67'>67</a>
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<a name='L68'></a><a href='#L68'>68</a>
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<a name='L69'></a><a href='#L69'>69</a>
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<a name='L70'></a><a href='#L70'>70</a>
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<a name='L71'></a><a href='#L71'>71</a>
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<a name='L72'></a><a href='#L72'>72</a>
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<a name='L73'></a><a href='#L73'>73</a>
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<a name='L74'></a><a href='#L74'>74</a>
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<a name='L75'></a><a href='#L75'>75</a>
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<a name='L76'></a><a href='#L76'>76</a>
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<a name='L77'></a><a href='#L77'>77</a>
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<a name='L78'></a><a href='#L78'>78</a>
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<a name='L79'></a><a href='#L79'>79</a>
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<a name='L80'></a><a href='#L80'>80</a>
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<a name='L81'></a><a href='#L81'>81</a>
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<a name='L82'></a><a href='#L82'>82</a>
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<a name='L83'></a><a href='#L83'>83</a>
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<a name='L84'></a><a href='#L84'>84</a>
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<a name='L85'></a><a href='#L85'>85</a>
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<a name='L86'></a><a href='#L86'>86</a>
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<a name='L87'></a><a href='#L87'>87</a>
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<a name='L88'></a><a href='#L88'>88</a>
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<a name='L89'></a><a href='#L89'>89</a>
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<a name='L90'></a><a href='#L90'>90</a>
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<a name='L91'></a><a href='#L91'>91</a>
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<a name='L92'></a><a href='#L92'>92</a>
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<a name='L93'></a><a href='#L93'>93</a>
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<a name='L94'></a><a href='#L94'>94</a>
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<a name='L95'></a><a href='#L95'>95</a>
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<a name='L96'></a><a href='#L96'>96</a>
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<a name='L97'></a><a href='#L97'>97</a>
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<a name='L98'></a><a href='#L98'>98</a>
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<a name='L99'></a><a href='#L99'>99</a>
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<a name='L100'></a><a href='#L100'>100</a>
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<a name='L101'></a><a href='#L101'>101</a>
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<a name='L102'></a><a href='#L102'>102</a>
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<a name='L103'></a><a href='#L103'>103</a>
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<a name='L104'></a><a href='#L104'>104</a>
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<a name='L106'></a><a href='#L106'>106</a>
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<a name='L107'></a><a href='#L107'>107</a>
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<a name='L108'></a><a href='#L108'>108</a>
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<a name='L109'></a><a href='#L109'>109</a>
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<a name='L110'></a><a href='#L110'>110</a>
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<a name='L111'></a><a href='#L111'>111</a>
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<a name='L112'></a><a href='#L112'>112</a>
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<a name='L113'></a><a href='#L113'>113</a>
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<a name='L114'></a><a href='#L114'>114</a>
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<a name='L116'></a><a href='#L116'>116</a>
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<a name='L117'></a><a href='#L117'>117</a>
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<a name='L118'></a><a href='#L118'>118</a>
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<a name='L119'></a><a href='#L119'>119</a>
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<a name='L120'></a><a href='#L120'>120</a>
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<a name='L121'></a><a href='#L121'>121</a>
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<a name='L122'></a><a href='#L122'>122</a>
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<a name='L123'></a><a href='#L123'>123</a>
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<a name='L124'></a><a href='#L124'>124</a>
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<a name='L126'></a><a href='#L126'>126</a>
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<a name='L127'></a><a href='#L127'>127</a>
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<a name='L128'></a><a href='#L128'>128</a>
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<a name='L129'></a><a href='#L129'>129</a>
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<a name='L130'></a><a href='#L130'>130</a>
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<a name='L131'></a><a href='#L131'>131</a>
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<a name='L132'></a><a href='#L132'>132</a>
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<a name='L135'></a><a href='#L135'>135</a>
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<span class="cline-any cline-neutral"> </span></td><td class="text"><pre class="prettyprint lang-js">"use strict";
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let constants = require("./constants");
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module.exports = function (dataIn, width, height, options) {
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let outHasAlpha =
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[constants.COLORTYPE_COLOR_ALPHA, constants.COLORTYPE_ALPHA].indexOf(
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options.colorType
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) !== -1;
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<span class="missing-if-branch" title="else path not taken" >E</span>if (options.colorType === options.inputColorType) {
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let bigEndian = (function () {
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let buffer = new ArrayBuffer(2);
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new DataView(buffer).setInt16(0, 256, true /* littleEndian */);
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// Int16Array uses the platform's endianness.
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return new Int16Array(buffer)[0] !== 256;
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})();
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// If no need to convert to grayscale and alpha is present/absent in both, take a fast route
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<span class="missing-if-branch" title="else path not taken" >E</span>if (options.bitDepth === 8 || (<span class="branch-1 cbranch-no" title="branch not covered" >options.bitDepth === 16 </span>&& <span class="branch-2 cbranch-no" title="branch not covered" >bigEndian)</span>) {
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return dataIn;
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}
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}
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// map to a UInt16 array if data is 16bit, fix endianness below
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let data = <span class="cstat-no" title="statement not covered" >options.bitDepth !== 16 ? dataIn : new Uint16Array(dataIn.buffer);</span>
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|
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let maxValue = <span class="cstat-no" title="statement not covered" >255;</span>
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let inBpp = <span class="cstat-no" title="statement not covered" >constants.COLORTYPE_TO_BPP_MAP[options.inputColorType];</span>
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<span class="cstat-no" title="statement not covered" > if (inBpp === 4 && !options.inputHasAlpha) {</span>
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<span class="cstat-no" title="statement not covered" > inBpp = 3;</span>
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}
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let outBpp = <span class="cstat-no" title="statement not covered" >constants.COLORTYPE_TO_BPP_MAP[options.colorType];</span>
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<span class="cstat-no" title="statement not covered" > if (options.bitDepth === 16) {</span>
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<span class="cstat-no" title="statement not covered" > maxValue = 65535;</span>
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<span class="cstat-no" title="statement not covered" > outBpp *= 2;</span>
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}
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let outData = <span class="cstat-no" title="statement not covered" >Buffer.alloc(width * height * outBpp);</span>
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|
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let inIndex = <span class="cstat-no" title="statement not covered" >0;</span>
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let outIndex = <span class="cstat-no" title="statement not covered" >0;</span>
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|
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let bgColor = <span class="cstat-no" title="statement not covered" >options.bgColor || {};</span>
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<span class="cstat-no" title="statement not covered" > if (bgColor.red === undefined) {</span>
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<span class="cstat-no" title="statement not covered" > bgColor.red = maxValue;</span>
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}
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<span class="cstat-no" title="statement not covered" > if (bgColor.green === undefined) {</span>
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<span class="cstat-no" title="statement not covered" > bgColor.green = maxValue;</span>
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}
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<span class="cstat-no" title="statement not covered" > if (bgColor.blue === undefined) {</span>
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|
<span class="cstat-no" title="statement not covered" > bgColor.blue = maxValue;</span>
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}
|
|
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function <span class="fstat-no" title="function not covered" >getRGBA(</span>) {
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let red;
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|
let green;
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|
let blue;
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|
let alpha = <span class="cstat-no" title="statement not covered" >maxValue;</span>
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<span class="cstat-no" title="statement not covered" > switch (options.inputColorType) {</span>
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case constants.COLORTYPE_COLOR_ALPHA:
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<span class="cstat-no" title="statement not covered" > alpha = data[inIndex + 3];</span>
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<span class="cstat-no" title="statement not covered" > red = data[inIndex];</span>
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|
<span class="cstat-no" title="statement not covered" > green = data[inIndex + 1];</span>
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|
<span class="cstat-no" title="statement not covered" > blue = data[inIndex + 2];</span>
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<span class="cstat-no" title="statement not covered" > break;</span>
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|
case constants.COLORTYPE_COLOR:
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|
<span class="cstat-no" title="statement not covered" > red = data[inIndex];</span>
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|
<span class="cstat-no" title="statement not covered" > green = data[inIndex + 1];</span>
|
|
<span class="cstat-no" title="statement not covered" > blue = data[inIndex + 2];</span>
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<span class="cstat-no" title="statement not covered" > break;</span>
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|
case constants.COLORTYPE_ALPHA:
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|
<span class="cstat-no" title="statement not covered" > alpha = data[inIndex + 1];</span>
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|
<span class="cstat-no" title="statement not covered" > red = data[inIndex];</span>
|
|
<span class="cstat-no" title="statement not covered" > green = red;</span>
|
|
<span class="cstat-no" title="statement not covered" > blue = red;</span>
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<span class="cstat-no" title="statement not covered" > break;</span>
|
|
case constants.COLORTYPE_GRAYSCALE:
|
|
<span class="cstat-no" title="statement not covered" > red = data[inIndex];</span>
|
|
<span class="cstat-no" title="statement not covered" > green = red;</span>
|
|
<span class="cstat-no" title="statement not covered" > blue = red;</span>
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<span class="cstat-no" title="statement not covered" > break;</span>
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default:
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|
<span class="cstat-no" title="statement not covered" > throw new Error(</span>
|
|
"input color type:" +
|
|
options.inputColorType +
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|
" is not supported at present"
|
|
);
|
|
}
|
|
|
|
<span class="cstat-no" title="statement not covered" > if (options.inputHasAlpha) {</span>
|
|
<span class="cstat-no" title="statement not covered" > if (!outHasAlpha) {</span>
|
|
<span class="cstat-no" title="statement not covered" > alpha /= maxValue;</span>
|
|
<span class="cstat-no" title="statement not covered" > red = Math.min(</span>
|
|
Math.max(Math.round((1 - alpha) * bgColor.red + alpha * red), 0),
|
|
maxValue
|
|
);
|
|
<span class="cstat-no" title="statement not covered" > green = Math.min(</span>
|
|
Math.max(Math.round((1 - alpha) * bgColor.green + alpha * green), 0),
|
|
maxValue
|
|
);
|
|
<span class="cstat-no" title="statement not covered" > blue = Math.min(</span>
|
|
Math.max(Math.round((1 - alpha) * bgColor.blue + alpha * blue), 0),
|
|
maxValue
|
|
);
|
|
}
|
|
}
|
|
<span class="cstat-no" title="statement not covered" > return { red: red, green: green, blue: blue, alpha: alpha };</span>
|
|
}
|
|
|
|
<span class="cstat-no" title="statement not covered" > for (let y = <span class="cstat-no" title="statement not covered" >0;</span> y < height; y++) {</span>
|
|
<span class="cstat-no" title="statement not covered" > for (let x = <span class="cstat-no" title="statement not covered" >0;</span> x < width; x++) {</span>
|
|
let rgba = <span class="cstat-no" title="statement not covered" >getRGBA(data, inIndex);</span>
|
|
|
|
<span class="cstat-no" title="statement not covered" > switch (options.colorType) {</span>
|
|
case constants.COLORTYPE_COLOR_ALPHA:
|
|
case constants.COLORTYPE_COLOR:
|
|
<span class="cstat-no" title="statement not covered" > if (options.bitDepth === 8) {</span>
|
|
<span class="cstat-no" title="statement not covered" > outData[outIndex] = rgba.red;</span>
|
|
<span class="cstat-no" title="statement not covered" > outData[outIndex + 1] = rgba.green;</span>
|
|
<span class="cstat-no" title="statement not covered" > outData[outIndex + 2] = rgba.blue;</span>
|
|
<span class="cstat-no" title="statement not covered" > if (outHasAlpha) {</span>
|
|
<span class="cstat-no" title="statement not covered" > outData[outIndex + 3] = rgba.alpha;</span>
|
|
}
|
|
} else {
|
|
<span class="cstat-no" title="statement not covered" > outData.writeUInt16BE(rgba.red, outIndex);</span>
|
|
<span class="cstat-no" title="statement not covered" > outData.writeUInt16BE(rgba.green, outIndex + 2);</span>
|
|
<span class="cstat-no" title="statement not covered" > outData.writeUInt16BE(rgba.blue, outIndex + 4);</span>
|
|
<span class="cstat-no" title="statement not covered" > if (outHasAlpha) {</span>
|
|
<span class="cstat-no" title="statement not covered" > outData.writeUInt16BE(rgba.alpha, outIndex + 6);</span>
|
|
}
|
|
}
|
|
<span class="cstat-no" title="statement not covered" > break;</span>
|
|
case constants.COLORTYPE_ALPHA:
|
|
case constants.COLORTYPE_GRAYSCALE: {
|
|
// Convert to grayscale and alpha
|
|
let grayscale = <span class="cstat-no" title="statement not covered" >(rgba.red + rgba.green + rgba.blue) / 3;</span>
|
|
<span class="cstat-no" title="statement not covered" > if (options.bitDepth === 8) {</span>
|
|
<span class="cstat-no" title="statement not covered" > outData[outIndex] = grayscale;</span>
|
|
<span class="cstat-no" title="statement not covered" > if (outHasAlpha) {</span>
|
|
<span class="cstat-no" title="statement not covered" > outData[outIndex + 1] = rgba.alpha;</span>
|
|
}
|
|
} else {
|
|
<span class="cstat-no" title="statement not covered" > outData.writeUInt16BE(grayscale, outIndex);</span>
|
|
<span class="cstat-no" title="statement not covered" > if (outHasAlpha) {</span>
|
|
<span class="cstat-no" title="statement not covered" > outData.writeUInt16BE(rgba.alpha, outIndex + 2);</span>
|
|
}
|
|
}
|
|
<span class="cstat-no" title="statement not covered" > break;</span>
|
|
}
|
|
default:
|
|
<span class="cstat-no" title="statement not covered" > throw new Error("unrecognised color Type " + options.colorType);</span>
|
|
}
|
|
|
|
<span class="cstat-no" title="statement not covered" > inIndex += inBpp;</span>
|
|
<span class="cstat-no" title="statement not covered" > outIndex += outBpp;</span>
|
|
}
|
|
}
|
|
|
|
<span class="cstat-no" title="statement not covered" > return outData;</span>
|
|
};
|
|
</pre></td></tr></table></pre>
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Code coverage generated by
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<a href="https://istanbul.js.org/" target="_blank">istanbul</a>
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at Fri Apr 10 2020 13:53:16 GMT+0200 (Central European Summer Time)
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