mambax7 /
xoopseditors
| Total Complexity | 72 |
| Total Lines | 525 |
| Duplicated Lines | 0 % |
| Changes | 1 | ||
| Bugs | 0 | Features | 0 |
Complex classes like Image_Transform_Driver_GD 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 Image_Transform_Driver_GD, and based on these observations, apply Extract Interface, too.
| 1 | <?php |
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| 48 | Class Image_Transform_Driver_GD extends Image_Transform |
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| 49 | { |
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| 50 | /** |
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| 51 | * Holds the image file for manipulation |
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| 52 | */ |
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| 53 | public $imageHandle = ''; |
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| 54 | |||
| 55 | /** |
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| 56 | * Holds the original image file |
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| 57 | */ |
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| 58 | public $old_image = ''; |
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| 59 | |||
| 60 | /** |
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| 61 | * Check settings |
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| 62 | * |
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| 63 | * @return mixed true or or a PEAR error object on error |
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| 64 | * |
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| 65 | * @see PEAR::isError() |
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| 66 | */ |
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| 67 | public function Image_Transform_GD() |
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| 68 | { |
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| 69 | return; |
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| 70 | } // End function Image |
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| 71 | |||
| 72 | /** |
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| 73 | * Load image |
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| 74 | * |
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| 75 | * @param string filename |
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| 76 | * |
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| 77 | * @return mixed none or a PEAR error object on error |
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| 78 | * @see PEAR::isError() |
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| 79 | */ |
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| 80 | public function load($image) |
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| 81 | { |
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| 82 | $this->uid = md5($_SERVER['REMOTE_ADDR']); |
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| 83 | $this->image = $image; |
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| 84 | $this->_get_image_details($image); |
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| 85 | $functionName = 'ImageCreateFrom' . $this->type; |
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| 86 | |||
| 87 | if (function_exists($functionName)) { |
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| 88 | $this->imageHandle = $functionName($this->image); |
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| 89 | if ('png' == $this->type) { |
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| 90 | imageAlphaBlending($this->imageHandle, false); |
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| 91 | imageSaveAlpha($this->imageHandle, true); |
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| 92 | } |
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| 93 | } |
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| 94 | } // End load |
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| 95 | |||
| 96 | /** |
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| 97 | * addText |
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| 98 | * |
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| 99 | * @param array options Array contains options |
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| 100 | * array( |
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| 101 | * 'text' The string to draw |
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| 102 | * 'x' Horizontal position |
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| 103 | * 'y' Vertical Position |
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| 104 | * 'Color' Font color |
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| 105 | * 'font' Font to be used |
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| 106 | * 'size' Size of the fonts in pixel |
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| 107 | * 'resize_first' Tell if the image has to be resized |
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| 108 | * before drawing the text |
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| 109 | * ) |
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| 110 | * |
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| 111 | * @return none |
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| 112 | * @see PEAR::isError() |
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| 113 | */ |
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| 114 | public function addText($params) |
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| 115 | { |
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| 116 | $default_params = [ |
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| 117 | 'text' => 'This is Text', |
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| 118 | 'x' => 10, |
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| 119 | 'y' => 20, |
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| 120 | 'color' => [255, 0, 0], |
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| 121 | 'font' => 'Arial.ttf', |
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| 122 | 'size' => '12', |
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| 123 | 'angle' => 0, |
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| 124 | 'resize_first' => false // Carry out the scaling of the image before annotation? Not used for GD |
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| 125 | ]; |
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| 126 | $params = array_merge($default_params, $params); |
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| 127 | extract($params); |
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| 128 | |||
| 129 | if (!is_array($color)) { |
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| 130 | if ('#' == $color[0]) { |
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| 131 | $this->colorhex2colorarray($color); |
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| 132 | } else { |
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| 133 | include_once('Image/Transform/Driver/ColorsDefs.php'); |
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| 134 | $color = isset($colornames[$color]) ? $colornames[$color] : false; |
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| 135 | } |
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| 136 | } |
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| 137 | |||
| 138 | $c = imagecolorresolve($this->imageHandle, $color[0], $color[1], $color[2]); |
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| 139 | |||
| 140 | if ('ttf' == substr($font, -3)) { |
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| 141 | ImageTTFText($this->imageHandle, $size, $angle, $x, $y, $c, $font, $text); |
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| 142 | } else { |
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| 143 | ImagePSText($this->imageHandle, $size, $angle, $x, $y, $c, $font, $text); |
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| 144 | } |
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| 145 | return true; |
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| 146 | } // End addText |
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| 147 | |||
| 148 | /** |
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| 149 | * Rotate image by the given angle |
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| 150 | * Uses a fast rotation algorythm for custom angles |
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| 151 | * or lines copy for multiple of 90 degrees |
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| 152 | * |
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| 153 | * @param int $angle Rotation angle |
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| 154 | * @param array $options array( 'autoresize'=>true|false, |
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| 155 | * 'color_mask'=>array(r,g,b), named color or #rrggbb |
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| 156 | * ) |
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| 157 | * @return mixed none or a PEAR error object on error |
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| 158 | * @author Pierre-Alain Joye |
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| 159 | * @see PEAR::isError() |
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| 160 | */ |
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| 161 | public function rotate($angle, $options = null) |
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| 162 | { |
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| 163 | if (function_exists('imagerotate')) { |
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| 164 | $white = imagecolorallocatealpha($this->imageHandle, 255, 255, 255, 127); |
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| 165 | $this->imageHandle = imagerotate($this->imageHandle, $angle, $white); |
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| 166 | return true; |
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| 167 | } |
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| 168 | |||
| 169 | if (null == $options) { |
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| 170 | $autoresize = true; |
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| 171 | $color_mask = [105, 255, 255]; |
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| 172 | } else { |
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| 173 | extract($options); |
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| 174 | } |
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| 175 | |||
| 176 | while ($angle <= -45) { |
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| 177 | $angle += 360; |
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| 178 | } |
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| 179 | while ($angle > 270) { |
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| 180 | $angle -= 360; |
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| 181 | } |
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| 182 | |||
| 183 | $t = deg2rad($angle); |
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| 184 | |||
| 185 | if (!is_array($color_mask)) { |
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| 186 | if ('#' == $color[0]) { |
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| 187 | $this->colorhex2colorarray($color_mask); |
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| 188 | } else { |
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| 189 | include_once('Image/Transform/Driver/ColorDefs.php'); |
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| 190 | $color = isset($colornames[$color_mask]) ? $colornames[$color_mask] : false; |
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| 191 | } |
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| 192 | } |
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| 193 | |||
| 194 | // Do not round it, too much lost of quality |
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| 195 | $cosT = cos($t); |
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| 196 | $sinT = sin($t); |
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| 197 | |||
| 198 | $img =& $this->imageHandle; |
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| 199 | |||
| 200 | $width = $max_x = $this->img_x; |
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| 201 | $height = $max_y = $this->img_y; |
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| 202 | $min_y = 0; |
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| 203 | $min_x = 0; |
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| 204 | |||
| 205 | $x1 = round($max_x / 2, 0); |
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| 206 | $y1 = round($max_y / 2, 0); |
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| 207 | |||
| 208 | if ($autoresize) { |
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| 209 | $t = abs($t); |
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| 210 | $a = round($angle, 0); |
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| 211 | switch ((int)($angle)) { |
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| 212 | case 0: |
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| 213 | $width2 = $width; |
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| 214 | $height2 = $height; |
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| 215 | break; |
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| 216 | case 90: |
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| 217 | $width2 = $height; |
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| 218 | $height2 = $width; |
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| 219 | break; |
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| 220 | case 180: |
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| 221 | $width2 = $width; |
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| 222 | $height2 = $height; |
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| 223 | break; |
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| 224 | case 270: |
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| 225 | $width2 = $height; |
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| 226 | $height2 = $width; |
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| 227 | break; |
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| 228 | default: |
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| 229 | $width2 = (int)(abs(sin($t) * $height + cos($t) * $width)); |
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| 230 | $height2 = (int)(abs(cos($t) * $height + sin($t) * $width)); |
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| 231 | } |
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| 232 | |||
| 233 | $width2 -= $width2 % 2; |
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| 234 | $height2 -= $height2 % 2; |
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| 235 | |||
| 236 | $d_width = abs($width - $width2); |
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| 237 | $d_height = abs($height - $height2); |
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| 238 | $x_offset = $d_width / 2; |
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| 239 | $y_offset = $d_height / 2; |
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| 240 | $min_x2 = -abs($x_offset); |
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| 241 | $min_y2 = -abs($y_offset); |
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| 242 | $max_x2 = $width2; |
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| 243 | $max_y2 = $height2; |
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| 244 | } |
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| 245 | |||
| 246 | $img2 = @$this->newImgPreserveAlpha(imagecreateTrueColor($width2, $height2)); |
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| 247 | |||
| 248 | if (!is_resource($img2)) { |
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| 249 | return false;/*PEAR::raiseError('Cannot create buffer for the rotataion.', |
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| 250 | null, PEAR_ERROR_TRIGGER, E_USER_NOTICE);*/ |
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| 251 | } |
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| 252 | |||
| 253 | $this->img_x = $width2; |
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| 254 | $this->img_y = $height2; |
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| 255 | |||
| 256 | imagepalettecopy($img2, $img); |
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| 257 | |||
| 258 | $mask = imagecolorallocatealpha($img2, $color_mask[0], $color_mask[1], $color_mask[2], 127); |
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| 259 | // use simple lines copy for axes angles |
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| 260 | switch ((int)($angle)) { |
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| 261 | case 0: |
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| 262 | imagefill($img2, 0, 0, $mask); |
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| 263 | for ($y = 0; $y < $max_y; $y++) { |
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| 264 | for ($x = $min_x; $x < $max_x; $x++) { |
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| 265 | $c = @imagecolorat($img, $x, $y); |
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| 266 | imagesetpixel($img2, $x + $x_offset, $y + $y_offset, $c); |
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| 267 | } |
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| 268 | } |
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| 269 | break; |
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| 270 | case 90: |
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| 271 | imagefill($img2, 0, 0, $mask); |
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| 272 | for ($x = $min_x; $x < $max_x; $x++) { |
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| 273 | for ($y = $min_y; $y < $max_y; $y++) { |
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| 274 | $c = imagecolorat($img, $x, $y); |
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| 275 | imagesetpixel($img2, $max_y - $y - 1, $x, $c); |
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| 276 | } |
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| 277 | } |
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| 278 | break; |
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| 279 | case 180: |
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| 280 | imagefill($img2, 0, 0, $mask); |
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| 281 | for ($y = 0; $y < $max_y; $y++) { |
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| 282 | for ($x = $min_x; $x < $max_x; $x++) { |
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| 283 | $c = @imagecolorat($img, $x, $y); |
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| 284 | imagesetpixel($img2, $max_x2 - $x - 1, $max_y2 - $y - 1, $c); |
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| 285 | } |
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| 286 | } |
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| 287 | break; |
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| 288 | case 270: |
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| 289 | imagefill($img2, 0, 0, $mask); |
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| 290 | for ($y = 0; $y < $max_y; $y++) { |
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| 291 | for ($x = $max_x; $x >= $min_x; $x--) { |
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| 292 | $c = @imagecolorat($img, $x, $y); |
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| 293 | imagesetpixel($img2, $y, $max_x - $x - 1, $c); |
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| 294 | } |
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| 295 | } |
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| 296 | break; |
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| 297 | // simple reverse rotation algo |
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| 298 | default: |
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| 299 | $i = 0; |
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| 300 | for ($y = $min_y2; $y < $max_y2; $y++) { |
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| 301 | // Algebra :) |
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| 302 | $x2 = round((($min_x2 - $x1) * $cosT) + (($y - $y1) * $sinT + $x1), 0); |
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| 303 | $y2 = round((($y - $y1) * $cosT - ($min_x2 - $x1) * $sinT + $y1), 0); |
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| 304 | |||
| 305 | for ($x = $min_x2; $x < $max_x2; $x++) { |
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| 306 | // Check if we are out of original bounces, if we are |
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| 307 | // use the default color mask |
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| 308 | if ($x2 >= 0 && $x2 < $max_x && $y2 >= 0 && $y2 < $max_y) { |
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| 309 | $c = imagecolorat($img, $x2, $y2); |
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| 310 | } else { |
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| 311 | $c = $mask; |
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| 312 | } |
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| 313 | imagesetpixel($img2, $x + $x_offset, $y + $y_offset, $c); |
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| 314 | |||
| 315 | // round verboten! |
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| 316 | $x2 += $cosT; |
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| 317 | $y2 -= $sinT; |
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| 318 | } |
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| 319 | } |
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| 320 | break; |
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| 321 | } |
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| 322 | $this->old_image = $this->imageHandle; |
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| 323 | $this->imageHandle = $img2; |
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| 324 | return true; |
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| 325 | } |
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| 326 | |||
| 327 | /** |
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| 328 | * Resize Action |
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| 329 | * |
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| 330 | * For GD 2.01+ the new copyresampled function is used |
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| 331 | * It uses a bicubic interpolation algorithm to get far |
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| 332 | * better result. |
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| 333 | * |
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| 334 | * @param int $new_x new width |
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| 335 | * @param int $new_y new height |
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| 336 | * |
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| 337 | * @return true on success or pear error |
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| 338 | * @see PEAR::isError() |
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| 339 | */ |
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| 340 | public function _resize($new_x, $new_y) |
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| 341 | { |
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| 342 | if (true === $this->resized) { |
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| 343 | return false; /*PEAR::raiseError('You have already resized the image without saving it. Your previous resizing will be overwritten', null, PEAR_ERROR_TRIGGER, E_USER_NOTICE);*/ |
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| 344 | } |
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| 345 | if (function_exists('ImageCreateTrueColor')) { |
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| 346 | $new_img = $this->newImgPreserveAlpha(ImageCreateTrueColor($new_x, $new_y)); |
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| 347 | } else { |
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| 348 | $new_img = ImageCreate($new_x, $new_y); |
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| 349 | } |
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| 350 | |||
| 351 | if (function_exists('ImageCopyResampled')) { |
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| 352 | ImageCopyResampled($new_img, $this->imageHandle, 0, 0, 0, 0, $new_x, $new_y, $this->img_x, $this->img_y); |
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| 353 | } else { |
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| 354 | ImageCopyResized($new_img, $this->imageHandle, 0, 0, 0, 0, $new_x, $new_y, $this->img_x, $this->img_y); |
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| 355 | } |
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| 356 | |||
| 357 | $this->old_image = $this->imageHandle; |
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| 358 | $this->imageHandle = $new_img; |
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| 359 | $this->resized = true; |
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| 360 | |||
| 361 | $this->new_x = $new_x; |
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| 362 | $this->new_y = $new_y; |
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| 363 | return true; |
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| 364 | } |
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| 365 | |||
| 366 | /** |
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| 367 | * Crop the image |
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| 368 | * |
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| 369 | * @param int $crop_x left column of the image |
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| 370 | * @param int $crop_y top row of the image |
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| 371 | * @param int $crop_width new cropped image width |
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| 372 | * @param int $crop_height new cropped image height |
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| 373 | */ |
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| 374 | public function crop($new_x, $new_y, $new_width, $new_height) |
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| 375 | { |
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| 376 | if (function_exists('ImageCreateTrueColor')) { |
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| 377 | $new_img = $this->newImgPreserveAlpha(ImageCreateTrueColor($new_width, $new_height)); |
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| 378 | } else { |
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| 379 | $new_img = ImageCreate($new_width, $new_height); |
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| 380 | } |
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| 381 | if (function_exists('ImageCopyResampled')) { |
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| 382 | ImageCopyResampled($new_img, $this->imageHandle, 0, 0, $new_x, $new_y, $new_width, $new_height, $new_width, $new_height); |
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| 383 | } else { |
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| 384 | ImageCopyResized($new_img, $this->imageHandle, 0, 0, $new_x, $new_y, $new_width, $new_height, $new_width, $new_height); |
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| 385 | } |
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| 386 | $this->old_image = $this->imageHandle; |
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| 387 | $this->imageHandle = $new_img; |
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| 388 | $this->resized = true; |
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| 389 | |||
| 390 | $this->new_x = $new_x; |
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| 391 | $this->new_y = $new_y; |
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| 392 | return true; |
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| 393 | } |
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| 394 | |||
| 395 | /** |
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| 396 | * Flip the image horizontally or vertically |
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| 397 | * |
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| 398 | * @param bool $horizontal true if horizontal flip, vertical otherwise |
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| 399 | */ |
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| 400 | public function flip($horizontal) |
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| 401 | { |
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| 402 | if (!$horizontal) { |
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| 403 | $this->rotate(180); |
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| 404 | } |
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| 405 | |||
| 406 | $width = imagesx($this->imageHandle); |
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| 407 | $height = imagesy($this->imageHandle); |
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| 408 | |||
| 409 | for ($j = 0; $j < $height; $j++) { |
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| 410 | $left = 0; |
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| 411 | $right = $width - 1; |
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| 412 | |||
| 413 | while ($left < $right) { |
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| 414 | //echo " j:".$j." l:".$left." r:".$right."\n<br>"; |
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| 415 | $t = imagecolorat($this->imageHandle, $left, $j); |
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| 416 | imagesetpixel($this->imageHandle, $left, $j, imagecolorat($this->imageHandle, $right, $j)); |
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| 417 | imagesetpixel($this->imageHandle, $right, $j, $t); |
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| 418 | $left++; |
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| 419 | $right--; |
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| 420 | } |
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| 421 | } |
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| 422 | |||
| 423 | return true; |
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| 424 | } |
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| 425 | |||
| 426 | /** |
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| 427 | * Adjust the image gamma |
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| 428 | * |
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| 429 | * @param float $outputgamma |
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| 430 | * |
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| 431 | * @return none |
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| 432 | */ |
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| 433 | public function gamma($outputgamma = 1.0) |
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| 434 | { |
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| 435 | ImageGammaCorrect($this->imageHandle, 1.0, $outputgamma); |
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| 436 | } |
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| 437 | |||
| 438 | public function paletteToTrueColorWithTransparency() |
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| 439 | { |
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| 440 | $oldImg = $this->imageHandle; |
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| 441 | $newImg = $this->newImgPreserveAlpha(imagecreatetruecolor($this->img_x, $this->img_y)); |
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| 442 | imagecopy($newImg, $oldImg, 0, 0, 0, 0, $this->img_x, $this->img_y); |
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| 443 | |||
| 444 | $this->imageHandle = $newImg; |
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| 445 | } |
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| 446 | |||
| 447 | public function newImgPreserveAlpha($newImg) |
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| 448 | { |
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| 449 | if ('jpeg' == $this->type) { |
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| 450 | return $newImg; |
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| 451 | } |
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| 452 | |||
| 453 | // Turn off transparency blending (temporarily) |
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| 454 | imagealphablending($newImg, false); |
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| 455 | |||
| 456 | // Create a new transparent color for image |
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| 457 | if ($transparent = imagecolortransparent($this->imageHandle) >= 0) { |
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| 458 | if (imageistruecolor($this->imageHandle)) { |
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| 459 | $red = ($transparent & 0xFF0000) >> 16; |
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| 460 | $green = ($transparent & 0x00FF00) >> 8; |
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| 461 | $blue = ($transparent & 0x0000FF); |
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| 462 | $color_values = ['red' => $red, 'green' => $green, 'blue' => $blue]; |
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| 463 | } else { |
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| 464 | $color_values = imagecolorsforindex($this->imageHandle, $transparent); |
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| 465 | } |
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| 466 | $color_values = imagecolorsforindex($this->imageHandle, $transparent); |
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| 467 | $color = imagecolorallocatealpha($newImg, $color_values['red'], $color_values['green'], $color_values['blue'], 127); |
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| 468 | $colort = imagecolorallocate($newImg, $color_values['red'], $color_values['green'], $color_values['blue']); |
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| 469 | } else { |
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| 470 | $color = imagecolorallocatealpha($newImg, 252, 2, 252, 127); |
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| 471 | $colort = imagecolorallocate($newImg, 252, 2, 252); |
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| 472 | } |
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| 473 | imagecolortransparent($newImg, $colort); |
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| 474 | |||
| 475 | // Completely fill the background of the new image with allocated color. |
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| 476 | imagefill($newImg, 0, 0, $color); |
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| 477 | |||
| 478 | // Restore transparency blending |
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| 479 | imagesavealpha($newImg, true); |
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| 480 | |||
| 481 | return $newImg; |
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| 482 | } |
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| 483 | |||
| 484 | public function preserveTransparencyForPalette() |
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| 485 | { |
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| 486 | $new_img = imagecreatetruecolor($this->img_x, $this->img_y); |
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| 487 | $truecolor = imageistruecolor($this->imageHandle); |
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| 488 | $transparent = imagecolorallocate($new_img, 252, 2, 252); // nasty pinkish purple that hopefully doesn't exist in the image |
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| 489 | |||
| 490 | imagecolortransparent($new_img, $transparent); |
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| 491 | for ($i = 0; $i < $this->img_y; $i++) { |
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| 492 | for ($j = 0; $j < $this->img_x; $j++) { |
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| 493 | $c = imagecolorat($this->imageHandle, $j, $i); |
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| 494 | if ($truecolor) { |
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| 495 | $a = ($c >> 24) & 0xFF; |
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| 496 | $r = ($c >> 16) & 0xFF; |
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| 497 | $g = ($c >> 8) & 0xFF; |
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| 498 | $b = $c & 0xFF; |
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| 499 | $color_values = ['red' => $r, 'green' => $g, 'blue' => $b, 'alpha' => $a]; |
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| 500 | } else { |
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| 501 | $color_values = imagecolorsforindex($this->imageHandle, $c); |
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| 502 | } |
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| 503 | if ($color_values['alpha'] >= 126) { |
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| 504 | imagesetpixel($new_img, $j, $i, $transparent); |
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| 505 | } else { |
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| 506 | imagesetpixel($new_img, $j, $i, $c); |
||
| 507 | } |
||
| 508 | } |
||
| 509 | } |
||
| 510 | $this->imageHandle = $new_img; |
||
| 511 | } |
||
| 512 | |||
| 513 | /** |
||
| 514 | * Save the image file |
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| 515 | * |
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| 516 | * @param string $filename the name of the file to write to |
||
| 517 | * @param int $quality output DPI, default is 85 |
||
| 518 | * @param string $types define the output format, default |
||
| 519 | * is the current used format |
||
| 520 | * |
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| 521 | * @return none |
||
| 522 | */ |
||
| 523 | public function save($filename, $type = '', $quality = 85) |
||
| 524 | { |
||
| 525 | $type = '' == $type ? $this->type : $type; |
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| 526 | $functionName = 'image' . $type; |
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| 527 | |||
| 528 | if (function_exists($functionName)) { |
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| 529 | $this->old_image = $this->imageHandle; |
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| 530 | if ('jpeg' == $type) { |
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| 531 | $functionName($this->imageHandle, $filename, $quality); |
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| 532 | } else { |
||
| 533 | $functionName($this->imageHandle, $filename); |
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| 534 | } |
||
| 535 | $this->imageHandle = $this->old_image; |
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| 536 | $this->resized = false; |
||
| 537 | } |
||
| 538 | } // End save |
||
| 539 | |||
| 540 | /** |
||
| 541 | * Display image without saving and lose changes |
||
| 542 | * |
||
| 543 | * @param string type (JPG,PNG...); |
||
| 544 | * @param int quality 75 |
||
| 545 | * |
||
| 546 | * @return none |
||
| 547 | */ |
||
| 548 | public function display($type = '', $quality = 75) |
||
| 549 | { |
||
| 550 | if ('' != $type) { |
||
| 551 | $this->type = $type; |
||
| 552 | } |
||
| 553 | $functionName = 'Image' . $this->type; |
||
| 554 | if (function_exists($functionName)) { |
||
| 555 | header('Content-type: image/' . strtolower($this->type)); |
||
| 556 | $functionName($this->imageHandle, '', $quality); |
||
| 557 | $this->imageHandle = $this->old_image; |
||
| 558 | $this->resized = false; |
||
| 559 | ImageDestroy($this->old_image); |
||
| 560 | $this->free(); |
||
| 561 | } |
||
| 562 | } |
||
| 563 | |||
| 564 | /** |
||
| 565 | * Destroy image handle |
||
| 566 | * |
||
| 567 | * @return none |
||
| 568 | */ |
||
| 569 | public function free() |
||
| 573 | } |
||
| 574 | } |
||
| 575 | |||
| 576 | } // End class ImageGD |
||
| 577 | |||
| 578 |
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The issue could also be caused by a filter entry in the build configuration. If the path has been excluded in your configuration, e.g.
excluded_paths: ["lib/*"], you can move it to the dependency path list as follows:For further information see https://scrutinizer-ci.com/docs/tools/php/php-scrutinizer/#list-dependency-paths