mambax7 /
pedigree
| Total Complexity | 45 |
| Total Lines | 665 |
| Duplicated Lines | 0 % |
| Changes | 0 | ||
Complex classes like ImageColor often do a lot of different things. To break such a class down, we need to identify a cohesive component within that class. A common approach to find such a component is to look for fields/methods that share the same prefixes, or suffixes.
Once you have determined the fields that belong together, you can apply the Extract Class refactoring. If the component makes sense as a sub-class, Extract Subclass is also a candidate, and is often faster.
While breaking up the class, it is a good idea to analyze how other classes use ImageColor, and based on these observations, apply Extract Interface, too.
| 1 | <?php namespace XoopsModules\Pedigree; |
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| 54 | class ImageColor |
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| 55 | { |
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| 56 | /** |
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| 57 | * First color that the class handles for ranges and mixes. |
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| 58 | * |
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| 59 | * @var array |
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| 60 | * @access public |
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| 61 | * @see setColors() |
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| 62 | */ |
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| 63 | public $color1 = []; |
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| 64 | |||
| 65 | /** |
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| 66 | * Second color that the class handles for ranges and mixes. |
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| 67 | * |
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| 68 | * @var array |
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| 69 | * @access public |
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| 70 | * @see setColors() |
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| 71 | */ |
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| 72 | public $color2 = []; |
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| 73 | |||
| 74 | /** |
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| 75 | * Boolean value for determining whether colors outputted should be limited |
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| 76 | * to the web safe pallet or not. |
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| 77 | * |
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| 78 | * @var boolean |
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| 79 | * @access private |
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| 80 | * @see setWebSafe() |
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| 81 | */ |
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| 82 | private $websafeb = false; |
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| 83 | |||
| 84 | /** |
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| 85 | * Mix two colors together by finding their average. If the colors are not |
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| 86 | * passed as parameters, the class's colors will be mixed instead. |
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| 87 | * |
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| 88 | * @param bool|string $col1 The first color you want to mix |
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| 89 | * @param bool|string $col2 The second color you want to mix |
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| 90 | * |
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| 91 | * @return string The mixed color. |
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| 92 | * @access public |
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| 93 | * @author Jason Lotito <[email protected]> |
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| 94 | * @uses setInternalColors() to assign the colors if any are passed to the |
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| 95 | * class. |
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| 96 | */ |
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| 97 | public function mixColors($col1 = false, $col2 = false) |
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| 98 | { |
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| 99 | if ($col1) { |
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| 100 | $this->setInternalColors($col1, $col2); |
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|
Bug
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| 101 | } |
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| 102 | |||
| 103 | // after finding the average, it will be a float. add 0.5 and then |
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| 104 | // cast to an integer to properly round it to an integer. |
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| 105 | $color3[0] = (int)((($this->color1[0] + $this->color2[0]) / 2) + 0.5); |
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| 106 | $color3[1] = (int)((($this->color1[1] + $this->color2[1]) / 2) + 0.5); |
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| 107 | $color3[2] = (int)((($this->color1[2] + $this->color2[2]) / 2) + 0.5); |
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| 108 | |||
| 109 | if ($this->websafeb) { |
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| 110 | array_walk($color3, '_makeWebSafe'); |
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| 111 | } |
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| 112 | |||
| 113 | return $this->rgb2hex($color3); |
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| 114 | } |
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| 115 | |||
| 116 | /** |
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| 117 | * Determines whether colors the returned by this class will be rounded to |
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| 118 | * the nearest web safe value. |
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| 119 | * |
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| 120 | * @param boolean $bool Indicates if colors should be limited to the |
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| 121 | * websafe pallet. |
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| 122 | * |
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| 123 | * @return void |
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| 124 | * @access public |
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| 125 | * @author Jason Lotito <[email protected]> |
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| 126 | */ |
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| 127 | public function setWebSafe($bool = true) |
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| 128 | { |
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| 129 | $this->websafeb = (boolean)$bool; |
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| 130 | } |
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| 131 | |||
| 132 | /** |
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| 133 | * Set the two colors this class uses for mixing and ranges. |
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| 134 | * |
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| 135 | * @param string $col1 The first color in hex format |
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| 136 | * @param string $col2 The second color in hex format |
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| 137 | * |
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| 138 | * @return void |
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| 139 | * @access public |
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| 140 | * @author Jason Lotito <[email protected]> |
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| 141 | */ |
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| 142 | public function setColors($col1, $col2) |
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| 143 | { |
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| 144 | $this->setInternalColors($col1, $col2); |
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| 145 | } |
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| 146 | |||
| 147 | /** |
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| 148 | * Get the range of colors between the class's two colors, given a degree. |
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| 149 | * |
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| 150 | * @param integer $degrees How large a 'step' we should take between the |
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| 151 | * colors. |
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| 152 | * |
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| 153 | * @return array Returns an array of hex strings, one element for each |
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| 154 | * color. |
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| 155 | * @access public |
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| 156 | * @author Jason Lotito <[email protected]> |
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| 157 | * @todo Allow for degrees for individual parts of the colors. |
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| 158 | */ |
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| 159 | public function getRange($degrees = 2) |
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| 160 | { |
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| 161 | if (0 == $degrees) { |
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| 162 | $degrees = 1; |
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| 163 | } |
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| 164 | |||
| 165 | // The degrees give us how much we should advance each color at each |
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| 166 | // phase of the loop. This way, the advance is equal throughout all |
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| 167 | // the colors. |
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| 168 | |||
| 169 | $red_steps = ($this->color2[0] - $this->color1[0]) / $degrees; |
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| 170 | $green_steps = ($this->color2[1] - $this->color1[1]) / $degrees; |
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| 171 | $blue_steps = ($this->color2[2] - $this->color1[2]) / $degrees; |
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| 172 | |||
| 173 | $allcolors = []; |
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| 174 | |||
| 175 | /** |
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| 176 | * The loop stops once any color has gone beyond the end color. |
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| 177 | */ |
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| 178 | |||
| 179 | // Loop through all the degrees between the colors |
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| 180 | for ($x = 0; $x < $degrees; ++$x) { |
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| 181 | $col[0] = $red_steps * $x; |
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| 182 | $col[1] = $green_steps * $x; |
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| 183 | $col[2] = $blue_steps * $x; |
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| 184 | |||
| 185 | // Loop through each R, G, and B |
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| 186 | for ($i = 0; $i < 3; ++$i) { |
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| 187 | $partcolor = $this->color1[$i] + $col[$i]; |
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| 188 | // If the color is less than 256 |
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| 189 | if ($partcolor < 256) { |
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| 190 | // Makes sure the colors is not less than 0 |
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| 191 | if ($partcolor > -1) { |
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| 192 | $newcolor[$i] = $partcolor; |
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| 193 | } else { |
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| 194 | $newcolor[$i] = 0; |
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| 195 | } |
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| 196 | // Color was greater than 255 |
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| 197 | } else { |
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| 198 | $newcolor[$i] = 255; |
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| 199 | } |
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| 200 | } |
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| 201 | |||
| 202 | if ($this->websafeb) { |
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| 203 | array_walk($newcolor, '_makeWebSafe'); |
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| 204 | } |
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| 205 | |||
| 206 | $allcolors[] = $this->rgb2hex($newcolor); |
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| 207 | } |
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| 208 | |||
| 209 | return $allcolors; |
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| 210 | } |
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| 211 | |||
| 212 | /** |
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| 213 | * Change the lightness of the class's two colors. |
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| 214 | * |
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| 215 | * @param integer $degree The degree of the change. Positive values |
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| 216 | * lighten the color while negative values will darken it. |
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| 217 | * |
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| 218 | * @return void |
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| 219 | * @access public |
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| 220 | * @author Jason Lotito <[email protected]> |
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| 221 | * @uses ImageColor::$color1 as an input and return value. |
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| 222 | * @uses ImageColor::$color2 as an input and return value. |
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| 223 | */ |
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| 224 | public function changeLightness($degree = 10) |
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| 225 | { |
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| 226 | $color1 =& $this->color1; |
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| 227 | $color2 =& $this->color2; |
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| 228 | |||
| 229 | for ($x = 0; $x < 3; ++$x) { |
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| 230 | if (($color1[$x] + $degree) < 256) { |
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| 231 | if (($color1[$x] + $degree) > -1) { |
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| 232 | $color1[$x] += $degree; |
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| 233 | } else { |
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| 234 | $color1[$x] = 0; |
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| 235 | } |
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| 236 | } else { |
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| 237 | $color1[$x] = 255; |
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| 238 | } |
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| 239 | |||
| 240 | if (($color2[$x] + $degree) < 256) { |
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| 241 | if (($color2[$x] + $degree) > -1) { |
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| 242 | $color2[$x] += $degree; |
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| 243 | } else { |
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| 244 | $color2[$x] = 0; |
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| 245 | } |
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| 246 | } else { |
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| 247 | $color2[$x] = 255; |
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| 248 | } |
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| 249 | } |
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| 250 | } |
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| 251 | |||
| 252 | /** |
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| 253 | * Determine if a light or dark text color would be more readable on a |
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| 254 | * background of a given color. This is determined by the G(reen) value of |
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| 255 | * RGB. You can change the dark and the light colors from their default |
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| 256 | * black and white. |
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| 257 | * |
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| 258 | * @param string $color The hex color to analyze |
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| 259 | * @param string $light The light color value to return if we should |
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| 260 | * have light text. |
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| 261 | * @param string $dark The dark color value to return if we should have |
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| 262 | * dark text. |
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| 263 | * |
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| 264 | * @return string The light or dark value which would make the text most |
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| 265 | * readable. |
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| 266 | * @access public |
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| 267 | * @static |
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| 268 | * @author Jason Lotito <[email protected]> |
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| 269 | */ |
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| 270 | public function getTextColor($color, $light = '#FFFFFF', $dark = '#000000') |
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| 271 | { |
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| 272 | $color = $this->splitColor($color); |
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| 273 | if ($color[1] > hexdec('66')) { |
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| 274 | return $dark; |
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| 275 | } else { |
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| 276 | return $light; |
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| 277 | } |
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| 278 | } |
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| 279 | |||
| 280 | /** |
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| 281 | * Internal method to set the colors. |
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| 282 | * |
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| 283 | * @param string $col1 First color, either a name or hex value |
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| 284 | * @param string $col2 Second color, either a name or hex value |
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| 285 | * |
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| 286 | * @return void |
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| 287 | * @access private |
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| 288 | * @author Jason Lotito <[email protected]> |
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| 289 | */ |
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| 290 | private function setInternalColors($col1, $col2) |
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| 291 | { |
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| 292 | if ($col1) { |
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| 293 | $this->color1 = $this->splitColor($col1); |
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| 294 | } |
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| 295 | if ($col2) { |
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| 296 | $this->color2 = $this->splitColor($col2); |
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| 297 | } |
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| 298 | } |
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| 299 | |||
| 300 | /** |
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| 301 | * Given a color, properly split it up into a 3 element RGB array. |
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| 302 | * |
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| 303 | * @param string $color The color. |
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| 304 | * |
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| 305 | * @return array A three element RGB array. |
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| 306 | * @access private |
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| 307 | * @static |
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| 308 | * @author Jason Lotito <[email protected]> |
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| 309 | */ |
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| 310 | private function splitColor($color) |
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| 311 | { |
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| 312 | $color = str_replace('#', '', $color); |
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| 313 | $c[] = hexdec(substr($color, 0, 2)); |
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| 314 | $c[] = hexdec(substr($color, 2, 2)); |
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| 315 | $c[] = hexdec(substr($color, 4, 2)); |
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| 316 | |||
| 317 | return $c; |
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| 318 | } |
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| 319 | |||
| 320 | /** |
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| 321 | * This is deprecated. Use rgb2hex() instead. |
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| 322 | * |
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| 323 | * @access private |
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| 324 | * @deprecated Function deprecated after 1.0.1 |
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| 325 | * @see rgb2hex(). |
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| 326 | * |
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| 327 | * @param $color |
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| 328 | * |
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| 329 | * @return string |
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| 330 | */ |
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| 331 | private function returnColor($color) |
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| 332 | { |
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| 333 | return $this->rgb2hex($color); |
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| 334 | } |
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| 335 | |||
| 336 | /** |
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| 337 | * Convert an RGB array to a hex string. |
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| 338 | * |
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| 339 | * @param array $color 3 element RGB array. |
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| 340 | * |
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| 341 | * @return string Hex color string. |
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| 342 | * @access public |
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| 343 | * @static |
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| 344 | * @author Jason Lotito <[email protected]> |
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| 345 | * @see hex2rgb() |
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| 346 | */ |
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| 347 | public function rgb2hex($color) |
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| 348 | { |
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| 349 | return sprintf('%02X%02X%02X', $color[0], $color[1], $color[2]); |
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| 350 | } |
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| 351 | |||
| 352 | /** |
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| 353 | * Convert a hex color string into an RGB array. An extra fourth element |
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| 354 | * will be returned with the original hex value. |
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| 355 | * |
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| 356 | * @param string $hex Hex color string. |
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| 357 | * |
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| 358 | * @return array RGB color array with an extra 'hex' element containing |
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| 359 | * the original hex string. |
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| 360 | * @access public |
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| 361 | * @static |
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| 362 | * @author Jason Lotito <[email protected]> |
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| 363 | * @see rgb2hex() |
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| 364 | */ |
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| 365 | public function hex2rgb($hex) |
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| 366 | { |
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| 367 | $return = $this->splitColor($hex); |
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| 368 | $return['hex'] = $hex; |
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| 369 | |||
| 370 | return $return; |
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| 371 | } |
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| 372 | |||
| 373 | /** |
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| 374 | * Convert an HSV (Hue, Saturation, Brightness) value to RGB. |
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| 375 | * |
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| 376 | * @param integer $h Hue |
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| 377 | * @param integer $s Saturation |
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| 378 | * @param integer $v Brightness |
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| 379 | * |
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| 380 | * @return array RGB array. |
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| 381 | * @access public |
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| 382 | * @static |
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| 383 | * @author Jason Lotito <[email protected]> |
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| 384 | * @uses hsv2hex() to convert the HSV value to Hex. |
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| 385 | * @uses hex2rgb() to convert the Hex value to RGB. |
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| 386 | */ |
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| 387 | public function hsv2rgb($h, $s, $v) |
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| 388 | { |
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| 389 | return $this->hex2rgb($this->hsv2hex($h, $s, $v)); |
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| 390 | } |
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| 391 | |||
| 392 | /** |
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| 393 | * Convert HSV (Hue, Saturation, Brightness) to a hex color string. |
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| 394 | * |
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| 395 | * Originally written by Jurgen Schwietering. Integrated into the class by |
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| 396 | * Jason Lotito. |
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| 397 | * |
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| 398 | * @param integer $h Hue |
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| 399 | * @param integer $s Saturation |
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| 400 | * @param integer $v Brightness |
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| 401 | * |
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| 402 | * @return string The hex string. |
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| 403 | * @access public |
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| 404 | * @static |
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| 405 | * @author Jurgen Schwietering <[email protected]> |
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| 406 | * @uses rgb2hex() to convert the return value to a hex string. |
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| 407 | */ |
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| 408 | public function hsv2hex($h, $s, $v) |
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| 409 | { |
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| 410 | $s /= 256.0; |
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| 411 | $v /= 256.0; |
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| 412 | if (0.0 == $s) { |
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| 413 | $r = $g = $b = $v; |
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| 414 | |||
| 415 | return ''; |
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| 416 | } else { |
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| 417 | $h = $h / 256.0 * 6.0; |
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| 418 | $i = floor($h); |
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| 419 | $f = $h - $i; |
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| 420 | |||
| 421 | $v *= 256.0; |
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| 422 | $p = (integer)($v * (1.0 - $s)); |
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| 423 | $q = (integer)($v * (1.0 - $s * $f)); |
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| 424 | $t = (integer)($v * (1.0 - $s * (1.0 - $f))); |
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| 425 | switch ($i) { |
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| 426 | case 0: |
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| 427 | $r = $v; |
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| 428 | $g = $t; |
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| 429 | $b = $p; |
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| 430 | break; |
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| 431 | |||
| 432 | case 1: |
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| 433 | $r = $q; |
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| 434 | $g = $v; |
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| 435 | $b = $p; |
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| 436 | break; |
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| 437 | |||
| 438 | case 2: |
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| 439 | $r = $p; |
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| 440 | $g = $v; |
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| 441 | $b = $t; |
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| 442 | break; |
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| 443 | |||
| 444 | case 3: |
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| 445 | $r = $p; |
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| 446 | $g = $q; |
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| 447 | $b = $v; |
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| 448 | break; |
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| 449 | |||
| 450 | case 4: |
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| 451 | $r = $t; |
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| 452 | $g = $p; |
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| 453 | $b = $v; |
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| 454 | break; |
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| 455 | |||
| 456 | default: |
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| 457 | $r = $v; |
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| 458 | $g = $p; |
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| 459 | $b = $q; |
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| 460 | break; |
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| 461 | } |
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| 462 | } |
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| 463 | |||
| 464 | return $this->rgb2hex([$r, $g, $b]); |
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| 465 | } |
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| 466 | |||
| 467 | /** |
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| 468 | * Allocates a color in the given image. |
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| 469 | * |
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| 470 | * User defined color specifications get translated into an array of RGB |
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| 471 | * values. |
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| 472 | * |
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| 473 | * @param resource $img Image handle |
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| 474 | * @param string|array $color Name or hex string or an RGB array. |
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| 475 | * |
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| 476 | * @return bool Image color handle. |
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| 477 | * @access public |
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| 478 | * @static |
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| 479 | * @uses imagefilledarc() to allocate the color. |
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| 480 | * @uses color2RGB() to parse the color into RGB values. |
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| 481 | */ |
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| 482 | public function allocateColor(&$img, $color) |
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| 483 | { |
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| 484 | $color = $this->color2RGB($color); |
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| 485 | |||
| 486 | return imagefilledarc($img, $color[0], $color[1], $color[2]); |
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| 487 | } |
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| 488 | |||
| 489 | /** |
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| 490 | * Convert a named or hex color string to an RGB array. If the color begins |
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| 491 | * with the # character it will be treated as a hex value. Everything else |
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| 492 | * will be treated as a named color. If the named color is not known, black |
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| 493 | * will be returned. |
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| 494 | * |
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| 495 | * @param string $color |
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| 496 | * |
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| 497 | * @return array RGB color |
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| 498 | * @access public |
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| 499 | * @static |
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| 500 | * @author Laurent Laville <[email protected]> |
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| 501 | * @uses hex2rgb() to convert colors begining with the # character. |
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| 502 | * @uses namedColor2RGB() to convert everything not starting with a #. |
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| 503 | */ |
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| 504 | public function color2RGB($color) |
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| 515 | } |
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| 516 | |||
| 517 | /** |
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| 518 | * Convert a named color to an RGB array. If the color is unknown black |
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| 519 | * is returned. |
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| 520 | * |
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| 521 | * @param string $color Case insensitive color name. |
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| 522 | * |
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| 523 | * @return array RGB color array. If the color was unknown, the result |
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| 524 | * will be black. |
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| 525 | * @access public |
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| 526 | * @static |
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| 527 | * @author Sebastian Bergmann <[email protected]> |
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| 528 | */ |
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| 529 | public function namedColor2RGB($color) |
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| 685 | } |
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| 686 | |||
| 687 | /** |
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| 688 | * Convert an RGB percentage string into an RGB array. |
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| 689 | * |
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| 690 | * @param string $color Percentage color string like "50%,20%,100%". |
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| 691 | * |
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| 692 | * @return array RGB color array. |
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| 693 | * @access public |
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| 694 | * @static |
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| 695 | */ |
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| 696 | public function percentageColor2RGB($color) |
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| 719 | } |
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| 720 | } |
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| 721 | |||
| 722 | // For Array Walk |
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| 723 | // {{{ |
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| 724 | /** |
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| 725 | * Function for array_walk() to round colors to the closest web safe value. |
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| 754 |
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