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| 1 | <?php |
| 2 | /** |
| 3 | * Pop PHP Framework (http://www.popphp.org/) |
| 4 | * |
| 5 | * @link https://github.com/popphp/popphp-framework |
| 6 | * @author Nick Sagona, III <dev@nolainteractive.com> |
| 7 | * @copyright Copyright (c) 2009-2024 NOLA Interactive, LLC. (http://www.nolainteractive.com) |
| 8 | * @license http://www.popphp.org/license New BSD License |
| 9 | */ |
| 10 | |
| 11 | /** |
| 12 | * @namespace |
| 13 | */ |
| 14 | namespace Pop\Image\Effect; |
| 15 | |
| 16 | use Pop\Color\Color; |
| 17 | |
| 18 | /** |
| 19 | * Effect class for Gd |
| 20 | * |
| 21 | * @category Pop |
| 22 | * @package Pop\Image |
| 23 | * @author Nick Sagona, III <dev@nolainteractive.com> |
| 24 | * @copyright Copyright (c) 2009-2024 NOLA Interactive, LLC. (http://www.nolainteractive.com) |
| 25 | * @license http://www.popphp.org/license New BSD License |
| 26 | * @version 4.0.0 |
| 27 | */ |
| 28 | class Gd extends AbstractEffect |
| 29 | { |
| 30 | |
| 31 | /** |
| 32 | * Draw a border around the image. |
| 33 | * |
| 34 | * @param Color\ColorInterface $color |
| 35 | * @param int|float $w |
| 36 | * @param int|float|null $h |
| 37 | * @return Gd |
| 38 | */ |
| 39 | public function border(Color\ColorInterface $color, int|float $w, int|float|null $h = null): Gd |
| 40 | { |
| 41 | if ($this->hasImage()) { |
| 42 | $h = ($h === null) ? $w : $h; |
| 43 | $width = $this->image->getWidth(); |
| 44 | $height = $this->image->getHeight(); |
| 45 | |
| 46 | $this->image->draw()->setFillColor($color); |
| 47 | $this->image->draw()->rectangle(0, 0, $width, $h); |
| 48 | $this->image->draw()->rectangle(0, ($height - $h), $width, $height); |
| 49 | $this->image->draw()->rectangle(0, 0, $w, $height); |
| 50 | $this->image->draw()->rectangle(($width - $w), 0, $width, $height); |
| 51 | } |
| 52 | |
| 53 | return $this; |
| 54 | } |
| 55 | |
| 56 | /** |
| 57 | * Flood the image with a color fill. |
| 58 | * |
| 59 | * @param Color\ColorInterface $color |
| 60 | * @return Gd |
| 61 | */ |
| 62 | public function fill(Color\ColorInterface $color): Gd |
| 63 | { |
| 64 | if ($this->hasImage()) { |
| 65 | if ($this->image->isIndexed()) { |
| 66 | imagefill($this->image->getResource(), 0, 0, $this->image->createColor($color)); |
| 67 | } else { |
| 68 | imagefill($this->image->getResource(), 0, 0, $this->image->createColor($color, 0)); |
| 69 | } |
| 70 | } |
| 71 | return $this; |
| 72 | } |
| 73 | |
| 74 | /** |
| 75 | * Flood the image with a vertical color gradient. |
| 76 | * |
| 77 | * @param Color\ColorInterface $color1 |
| 78 | * @param Color\ColorInterface $color2 |
| 79 | * @return Gd |
| 80 | */ |
| 81 | public function radialGradient(Color\ColorInterface $color1, Color\ColorInterface $color2): Gd |
| 82 | { |
| 83 | if ($this->hasImage()) { |
| 84 | if ($this->image->getHeight() > $this->image->getWidth()) { |
| 85 | $tween = $this->image->getHeight(); |
| 86 | $tween = round($tween * ($this->image->getHeight() / $this->image->getWidth())); |
| 87 | } else if ($this->image->getWidth() > $this->image->getHeight()) { |
| 88 | $tween = $this->image->getWidth(); |
| 89 | $tween = round($tween * ($this->image->getWidth() / $this->image->getHeight())); |
| 90 | } else { |
| 91 | $tween = $this->image->getWidth(); |
| 92 | $tween = round($tween * 1.5); |
| 93 | } |
| 94 | |
| 95 | $blend = $this->getBlend($color1, $color2, $tween); |
| 96 | |
| 97 | $x = round($this->image->getWidth() / 2); |
| 98 | $y = round($this->image->getHeight() / 2); |
| 99 | $w = $tween; |
| 100 | $h = $tween; |
| 101 | |
| 102 | foreach ($blend['r'] as $i => $v) { |
| 103 | $r = $v; |
| 104 | $g = $blend['g'][$i]; |
| 105 | $b = $blend['b'][$i]; |
| 106 | $color = ($this->image->isIndexed()) ? $this->image->createColor(new Color\Rgb($r, $g, $b), null) : |
| 107 | $this->image->createColor(new Color\Rgb($r, $g, $b), 0); |
| 108 | |
| 109 | imagefilledellipse($this->image->getResource(), $x, $y, $w, $h, $color); |
| 110 | $w--; |
| 111 | $h--; |
| 112 | } |
| 113 | } |
| 114 | |
| 115 | return $this; |
| 116 | } |
| 117 | |
| 118 | /** |
| 119 | * Flood the image with a vertical color gradient. |
| 120 | * |
| 121 | * @param Color\ColorInterface $color1 |
| 122 | * @param Color\ColorInterface $color2 |
| 123 | * @throws Exception |
| 124 | * @return Gd |
| 125 | */ |
| 126 | public function verticalGradient(Color\ColorInterface $color1, Color\ColorInterface $color2): Gd |
| 127 | { |
| 128 | return $this->linearGradient($color1, $color2, true); |
| 129 | } |
| 130 | |
| 131 | /** |
| 132 | * Flood the image with a vertical color gradient. |
| 133 | * |
| 134 | * @param Color\ColorInterface $color1 |
| 135 | * @param Color\ColorInterface $color2 |
| 136 | * @return Gd |
| 137 | */ |
| 138 | public function horizontalGradient(Color\ColorInterface $color1, Color\ColorInterface $color2): Gd |
| 139 | { |
| 140 | return $this->linearGradient($color1, $color2, false); |
| 141 | } |
| 142 | |
| 143 | /** |
| 144 | * Flood the image with a color gradient. |
| 145 | * |
| 146 | * @param Color\ColorInterface $color1 |
| 147 | * @param Color\ColorInterface $color2 |
| 148 | * @param bool $vertical |
| 149 | * @throws Exception |
| 150 | * @return Gd |
| 151 | */ |
| 152 | public function linearGradient(Color\ColorInterface $color1, Color\ColorInterface $color2, bool $vertical = true): Gd |
| 153 | { |
| 154 | if ($this->hasImage()) { |
| 155 | $tween = ($vertical) ? $this->image->getHeight() : $this->image->getWidth(); |
| 156 | $blend = $this->getBlend($color1, $color2, $tween); |
| 157 | |
| 158 | foreach ($blend['r'] as $i => $v) { |
| 159 | $r = $v; |
| 160 | $g = $blend['g'][$i]; |
| 161 | $b = $blend['b'][$i]; |
| 162 | $color = ($this->image->isIndexed()) ? $this->image->createColor(new Color\Rgb($r, $g, $b), null) : |
| 163 | $this->image->createColor(new Color\Rgb($r, $g, $b), 0); |
| 164 | if ($vertical) { |
| 165 | imageline($this->image->getResource(), 0, $i, $this->image->getWidth(), $i, $color); |
| 166 | } else { |
| 167 | imageline($this->image->getResource(), $i, 0, $i, $this->image->getHeight(), $color); |
| 168 | } |
| 169 | } |
| 170 | } |
| 171 | |
| 172 | return $this; |
| 173 | } |
| 174 | |
| 175 | } |