662 lines
21 KiB
PHP
662 lines
21 KiB
PHP
<?php
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declare(strict_types=1);
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/**
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* @copyright Copyright (c) 2022, Varun Patil <radialapps@gmail.com>
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* @author Varun Patil <radialapps@gmail.com>
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* @license AGPL-3.0-or-later
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as
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* published by the Free Software Foundation, either version 3 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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namespace OCA\Memories\Service;
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/**
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* Constructs a FileRobotImageState object from a JSON array state.
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*/
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class FileRobotImageState
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{
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/** -1 to 1 */
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public ?float $brightness = null;
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/** -100 to 100 */
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public ?float $contrast = null;
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/** 0 to 259 */
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public ?float $hue = null;
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/** -2 to 10 */
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public ?float $saturation = null;
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/** -2 to 2 */
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public ?float $value = null;
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/** 0 to 100 */
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public ?float $blurRadius = null;
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/** 0 to 200 */
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public ?float $warmth = null;
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/** Order of filters */
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public array $finetuneOrder = [];
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/** Crop X coordinate */
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public ?float $cropX = null;
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/** Crop Y coordinate */
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public ?float $cropY = null;
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/** Crop width */
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public ?float $cropWidth = null;
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/** Crop height */
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public ?float $cropHeight = null;
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/** Rotation */
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public ?int $rotation = null;
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/** Flipped X */
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public bool $isFlippedX = false;
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/** Flipped Y */
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public bool $isFlippedY = false;
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/** Resize width */
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public ?int $resizeWidth = null;
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/** Resize height */
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public ?int $resizeHeight = null;
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/** Filter */
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public ?string $filter = null;
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public function __construct(array $json)
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{
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if ($order = $json['finetunes']) {
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foreach ($order as $key) {
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$this->finetuneOrder[] = $key;
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}
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}
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if ($props = $json['finetunesProps']) {
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$this->_set($props, 'brightness');
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$this->_set($props, 'contrast');
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$this->_set($props, 'hue');
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$this->_set($props, 'saturation');
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$this->_set($props, 'value');
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$this->_set($props, 'blurRadius');
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$this->_set($props, 'warmth');
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}
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if ($props = $json['adjustments']) {
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if ($crop = $props['crop']) {
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$this->_set($crop, 'x', 'cropX');
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$this->_set($crop, 'y', 'cropY');
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$this->_set($crop, 'width', 'cropWidth');
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$this->_set($crop, 'height', 'cropHeight');
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}
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$this->_set($props, 'rotation');
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$this->_set($props, 'isFlippedX');
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$this->_set($props, 'isFlippedY');
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}
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if ($filter = $json['filter']) {
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// https://github.com/scaleflex/filerobot-image-editor/blob/7113bf4968d97f41381f4a2965a59defd44562c8/packages/react-filerobot-image-editor/src/components/tools/Filters/Filters.constants.js#L8
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$this->filter = $filter;
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}
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if ($resize = $json['resize']) {
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$this->_set($resize, 'width', 'resizeWidth');
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$this->_set($resize, 'height', 'resizeHeight');
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}
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}
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private function _set(array $parent, string $key, string $ckey = null)
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{
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$ckey ??= $key;
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if (\array_key_exists($key, $parent)) {
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$this->{$ckey} = $parent[$key];
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}
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}
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}
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/**
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* Applies a FileRobotImageState to an Imagick object.
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*/
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class FileRobotMagick
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{
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private \Imagick $image;
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private FileRobotImageState $state;
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public function __construct(\Imagick $image, array $state)
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{
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$this->image = $image;
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$this->state = new FileRobotImageState($state);
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}
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public function apply()
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{
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// Ensure the image is in the correct colorspace
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if (\Imagick::COLORSPACE_SRGB !== $this->image->getColorspace()) {
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$this->image->transformImageColorspace(\Imagick::COLORSPACE_SRGB);
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}
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// Orient the image
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$this->image->autoOrient();
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$this->applyCrop();
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$this->applyFlipRotation();
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$this->applyResize();
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foreach ($this->state->finetuneOrder as $key) {
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$method = 'apply'.$key;
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if (!method_exists($this, $method)) {
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throw new \Exception('Unknown finetune: '.$key);
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}
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$this->{$method}();
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}
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if ($this->state->filter) {
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$method = 'applyFilter'.$this->state->filter;
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if (!method_exists($this, $method)) {
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throw new \Exception('Unknown filter: '.$this->state->filter);
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}
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$this->{$method}();
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}
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return $this->image;
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}
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protected function applyCrop()
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{
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if ($this->state->cropX || $this->state->cropY || $this->state->cropWidth || $this->state->cropHeight) {
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$iw = $this->image->getImageWidth();
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$ih = $this->image->getImageHeight();
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$this->image->cropImage(
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(int) (($this->state->cropWidth ?? 1) * $iw),
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(int) (($this->state->cropHeight ?? 1) * $ih),
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(int) (($this->state->cropX ?? 0) * $iw),
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(int) (($this->state->cropY ?? 0) * $ih)
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);
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}
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}
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protected function applyFlipRotation()
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{
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if ($this->state->isFlippedX) {
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$this->image->flopImage();
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}
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if ($this->state->isFlippedY) {
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$this->image->flipImage();
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}
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if ($this->state->rotation) {
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$this->image->rotateImage(new \ImagickPixel(), $this->state->rotation);
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}
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}
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protected function applyResize()
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{
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if ($this->state->resizeWidth || $this->state->resizeHeight) {
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$this->image->resizeImage(
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$this->state->resizeWidth ?? 0,
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$this->state->resizeHeight ?? 0,
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\Imagick::FILTER_LANCZOS,
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1
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);
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}
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}
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protected function applyBrighten(?float $value = null)
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{
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$brightness = $value ?? $this->state->brightness ?? 0;
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if (0 === $brightness) {
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return;
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}
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// https://github.com/konvajs/konva/blob/f0e18b09079175404a1026363689f8f89eae0749/src/filters/Brighten.ts#L15-L29
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$this->image->evaluateImage(\Imagick::EVALUATE_ADD, $brightness * 255 * 255, \Imagick::CHANNEL_ALL);
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}
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protected function applyContrast(?float $value = null)
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{
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$contrast = $value ?? $this->state->contrast ?? 0;
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if (0 === $contrast) {
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return;
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}
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// https://github.com/konvajs/konva/blob/f0e18b09079175404a1026363689f8f89eae0749/src/filters/Contrast.ts#L15-L59
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// m = ((a + 100) / 100) ** 2 // slope
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// y = (x - 0.5) * m + 0.5
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// y = mx + (0.5 * (1 - m)) // simplify
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$m = (($contrast + 100) / 100) ** 2;
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$c = 0.5 * (1 - $m);
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$this->image->functionImage(\Imagick::FUNCTION_POLYNOMIAL, [$m, $c], \Imagick::CHANNEL_ALL);
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}
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protected function applyHSV(?float $hue = null, ?float $saturation = null, ?float $value = null)
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{
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$hue ??= $this->state->hue ?? 0;
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$saturation ??= $this->state->saturation ?? 0;
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$value ??= $this->state->value ?? 0;
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if (0 === $hue && 0 === $saturation && 0 === $value) {
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return;
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}
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$h = abs(($hue ?? 0) + 360) % 360;
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$s = 2 ** ($saturation ?? 0);
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$v = 2 ** ($value ?? 0);
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// https://github.com/konvajs/konva/blob/f0e18b09079175404a1026363689f8f89eae0749/src/filters/HSV.ts#L17-L63
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$vsu = $v * $s * cos(($h * M_PI) / 180);
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$vsw = $v * $s * sin(($h * M_PI) / 180);
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$rr = 0.299 * $v + 0.701 * $vsu + 0.167 * $vsw;
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$rg = 0.587 * $v - 0.587 * $vsu + 0.33 * $vsw;
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$rb = 0.114 * $v - 0.114 * $vsu - 0.497 * $vsw;
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$gr = 0.299 * $v - 0.299 * $vsu - 0.328 * $vsw;
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$gg = 0.587 * $v + 0.413 * $vsu + 0.035 * $vsw;
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$gb = 0.114 * $v - 0.114 * $vsu + 0.293 * $vsw;
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$br = 0.299 * $v - 0.3 * $vsu + 1.25 * $vsw;
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$bg = 0.587 * $v - 0.586 * $vsu - 1.05 * $vsw;
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$bb = 0.114 * $v + 0.886 * $vsu - 0.2 * $vsw;
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$colorMatrix = [
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$rr, $rg, $rb, 0, 0,
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$gr, $gg, $gb, 0, 0,
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$br, $bg, $bb, 0, 0,
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0, 0, 0, 1, 0,
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0, 0, 0, 0, 1,
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];
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$this->image->colorMatrixImage($colorMatrix);
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}
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protected function applyBlur()
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{
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if ($this->state->blurRadius <= 0) {
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return;
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}
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// https://github.com/konvajs/konva/blob/f0e18b09079175404a1026363689f8f89eae0749/src/filters/Blur.ts#L834
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$sigma = min(round($this->state->blurRadius * 1.5), 100);
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$this->image->blurImage(0, $sigma);
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}
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protected function applyWarmth()
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{
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// https://github.com/scaleflex/filerobot-image-editor/blob/7113bf4968d97f41381f4a2965a59defd44562c8/packages/react-filerobot-image-editor/src/custom/finetunes/Warmth.js#L17-L28
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$warmth = ($this->state->warmth ?? 0);
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if ($warmth <= 0) {
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return;
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}
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// Add to red channel, subtract from blue channel
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$this->image->evaluateImage(\Imagick::EVALUATE_ADD, $warmth * 255, \Imagick::CHANNEL_RED);
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$this->image->evaluateImage(\Imagick::EVALUATE_SUBTRACT, $warmth * 255, \Imagick::CHANNEL_BLUE);
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}
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// https://github.com/scaleflex/filerobot-image-editor/blob/7113bf4968d97f41381f4a2965a59defd44562c8/packages/react-filerobot-image-editor/src/components/tools/Filters/Filters.constants.js#L8
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protected function applyFilterInvert()
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{
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$this->image->negateImage(false);
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}
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protected function applyFilterBlackAndWhite()
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{
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// https://github.com/scaleflex/filerobot-image-editor/blob/7113bf4968d97f41381f4a2965a59defd44562c8/packages/react-filerobot-image-editor/src/custom/filters/BlackAndWhite.js
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$this->image->thresholdImage(100 * 255);
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}
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protected function applyFilterSepia()
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{
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// https://github.com/konvajs/konva/blob/master/src/filters/Sepia.ts
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$this->image->colorMatrixImage([
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0.393, 0.769, 0.189, 0, 0,
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0.349, 0.686, 0.168, 0, 0,
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0.272, 0.534, 0.131, 0, 0,
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0, 0, 0, 1, 0,
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0, 0, 0, 0, 1,
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]);
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}
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protected function applyFilterSolarize()
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{
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// https://github.com/konvajs/konva/blob/master/src/filters/Solarize.ts
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$this->image->solarizeImage(128 * 255);
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}
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protected function applyFilterClarendon()
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{
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$this->applyBaseFilterBrightness(0.1);
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$this->applyBaseFilterContrast(0.1);
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$this->applyBaseFilterSaturation(0.15);
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}
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protected function applyFilterGingham()
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{
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$this->applyBaseFilterSepia(0.04);
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$this->applyBaseFilterContrast(-0.15);
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}
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protected function applyFilterMoon()
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{
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$this->applyBaseFilterGrayscale();
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$this->applyBaseFilterBrightness(0.1);
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}
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protected function applyFilterLark()
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{
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$this->applyBaseFilterBrightness(0.08);
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$this->applyBaseFilterAdjustRGB(1, 1.03, 1.05);
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$this->applyBaseFilterSaturation(0.12);
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}
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protected function applyFilterReyes()
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{
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$this->applyBaseFilterSepia(0.4);
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$this->applyBaseFilterBrightness(0.13);
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$this->applyBaseFilterContrast(-0.05);
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}
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protected function applyFilterJuno()
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{
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$this->applyBaseFilterAdjustRGB(1.01, 1.04, 1);
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$this->applyBaseFilterSaturation(0.3);
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}
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protected function applyFilterSlumber()
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{
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$this->applyBaseFilterBrightness(0.1);
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$this->applyBaseFilterSaturation(-0.5);
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}
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protected function applyFilterCrema()
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{
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$this->applyBaseFilterAdjustRGB(1.04, 1, 1.02);
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$this->applyBaseFilterSaturation(-0.05);
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}
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protected function applyFilterLudwig()
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{
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$this->applyBaseFilterBrightness(0.05);
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$this->applyBaseFilterSaturation(-0.03);
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}
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protected function applyFilterAden()
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{
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$this->applyBaseFilterColorFilter(228, 130, 225, 0.13);
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$this->applyBaseFilterSaturation(-0.2);
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}
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protected function applyFilterPerpetua()
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{
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$this->applyBaseFilterAdjustRGB(1.05, 1.1, 1);
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}
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protected function applyFilterAmaro()
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{
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$this->applyBaseFilterSaturation(0.3);
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$this->applyBaseFilterBrightness(0.15);
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}
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protected function applyFilterMayfair()
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{
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$this->applyBaseFilterColorFilter(230, 115, 108, 0.05);
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$this->applyBaseFilterSaturation(0.15);
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}
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protected function applyFilterRise()
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{
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$this->applyBaseFilterColorFilter(255, 170, 0, 0.1);
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$this->applyBaseFilterBrightness(0.09);
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$this->applyBaseFilterSaturation(0.1);
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}
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protected function applyFilterHudson()
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{
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$this->applyBaseFilterAdjustRGB(1, 1, 1.25);
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$this->applyBaseFilterContrast(0.1);
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$this->applyBaseFilterBrightness(0.15);
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}
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protected function applyFilterValencia()
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{
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$this->applyBaseFilterColorFilter(255, 225, 80, 0.08);
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$this->applyBaseFilterSaturation(0.1);
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$this->applyBaseFilterContrast(0.05);
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}
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protected function applyFilterXpro2()
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{
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$this->applyBaseFilterColorFilter(255, 255, 0, 0.07);
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$this->applyBaseFilterSaturation(0.2);
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$this->applyBaseFilterContrast(0.15);
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}
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protected function applyFilterSierra()
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{
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$this->applyBaseFilterContrast(-0.15);
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$this->applyBaseFilterSaturation(0.1);
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}
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protected function applyFilterWillow()
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{
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$this->applyBaseFilterGrayscale();
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$this->applyBaseFilterColorFilter(100, 28, 210, 0.03);
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$this->applyBaseFilterBrightness(0.1);
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}
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protected function applyFilterLoFi()
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{
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$this->applyBaseFilterContrast(0.15);
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$this->applyBaseFilterSaturation(0.2);
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}
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protected function applyFilterInkwell()
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{
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$this->applyBaseFilterGrayscale();
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}
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protected function applyFilterHefe()
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{
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$this->applyBaseFilterContrast(0.1);
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$this->applyBaseFilterSaturation(0.15);
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}
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protected function applyFilterNashville()
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{
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$this->applyBaseFilterColorFilter(220, 115, 188, 0.12);
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$this->applyBaseFilterContrast(-0.05);
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}
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protected function applyFilterStinson()
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{
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$this->applyBaseFilterBrightness(0.1);
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$this->applyBaseFilterSepia(0.3);
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}
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protected function applyFilterVesper()
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{
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$this->applyBaseFilterColorFilter(255, 225, 0, 0.05);
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$this->applyBaseFilterBrightness(0.06);
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$this->applyBaseFilterContrast(0.06);
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}
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protected function applyFilterEarlybird()
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{
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$this->applyBaseFilterColorFilter(255, 165, 40, 0.2);
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}
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protected function applyFilterBrannan()
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{
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$this->applyBaseFilterContrast(0.2);
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$this->applyBaseFilterColorFilter(140, 10, 185, 0.1);
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}
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protected function applyFilterSutro()
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{
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|
$this->applyBaseFilterBrightness(-0.1);
|
|
$this->applyBaseFilterContrast(-0.1);
|
|
}
|
|
|
|
protected function applyFilterToaster()
|
|
{
|
|
$this->applyBaseFilterSepia(0.1);
|
|
$this->applyBaseFilterColorFilter(255, 145, 0, 0.2);
|
|
}
|
|
|
|
protected function applyFilterWalden()
|
|
{
|
|
$this->applyBaseFilterBrightness(0.1);
|
|
$this->applyBaseFilterColorFilter(255, 255, 0, 0.2);
|
|
}
|
|
|
|
protected function applyFilterNinteenSeventySeven()
|
|
{
|
|
$this->applyBaseFilterColorFilter(255, 25, 0, 0.15);
|
|
$this->applyBaseFilterBrightness(0.1);
|
|
}
|
|
|
|
protected function applyFilterKelvin()
|
|
{
|
|
$this->applyBaseFilterColorFilter(255, 140, 0, 0.1);
|
|
$this->applyBaseFilterAdjustRGB(1.15, 1.05, 1);
|
|
$this->applyBaseFilterSaturation(0.35);
|
|
}
|
|
|
|
protected function applyFilterMaven()
|
|
{
|
|
$this->applyBaseFilterColorFilter(225, 240, 0, 0.1);
|
|
$this->applyBaseFilterSaturation(0.25);
|
|
$this->applyBaseFilterContrast(0.05);
|
|
}
|
|
|
|
protected function applyFilterGinza()
|
|
{
|
|
$this->applyBaseFilterSepia(0.06);
|
|
$this->applyBaseFilterBrightness(0.1);
|
|
}
|
|
|
|
protected function applyFilterSkyline()
|
|
{
|
|
$this->applyBaseFilterSaturation(0.35);
|
|
$this->applyBaseFilterBrightness(0.1);
|
|
}
|
|
|
|
protected function applyFilterDogpatch()
|
|
{
|
|
$this->applyBaseFilterContrast(0.15);
|
|
$this->applyBaseFilterBrightness(0.1);
|
|
}
|
|
|
|
protected function applyFilterBrooklyn()
|
|
{
|
|
$this->applyBaseFilterColorFilter(25, 240, 252, 0.05);
|
|
$this->applyBaseFilterSepia(0.3);
|
|
}
|
|
|
|
protected function applyFilterHelena()
|
|
{
|
|
$this->applyBaseFilterColorFilter(208, 208, 86, 0.2);
|
|
$this->applyBaseFilterContrast(0.15);
|
|
}
|
|
|
|
protected function applyFilterAshby()
|
|
{
|
|
$this->applyBaseFilterColorFilter(255, 160, 25, 0.1);
|
|
$this->applyBaseFilterBrightness(0.1);
|
|
}
|
|
|
|
protected function applyFilterCharmes()
|
|
{
|
|
$this->applyBaseFilterColorFilter(255, 50, 80, 0.12);
|
|
$this->applyBaseFilterContrast(0.05);
|
|
}
|
|
|
|
protected function applyBaseFilterBrightness(float $value)
|
|
{
|
|
// https://github.com/scaleflex/filerobot-image-editor/blob/7113bf4968d97f41381f4a2965a59defd44562c8/packages/react-filerobot-image-editor/src/custom/filters/BaseFilters.js#L2
|
|
$this->applyBrighten($value);
|
|
}
|
|
|
|
protected function applyBaseFilterContrast(float $value)
|
|
{
|
|
// https://github.com/scaleflex/filerobot-image-editor/blob/7113bf4968d97f41381f4a2965a59defd44562c8/packages/react-filerobot-image-editor/src/custom/filters/BaseFilters.js#L14
|
|
$value *= 255;
|
|
|
|
// y = m * (x - 128) + 128
|
|
// y = m * x + (128 * (1 - m))
|
|
$m = (259 * ($value + 255)) / (255 * (259 - $value));
|
|
$c = 0.5 * (1 - $m);
|
|
|
|
$this->image->functionImage(\Imagick::FUNCTION_POLYNOMIAL, [$m, $c], \Imagick::CHANNEL_ALL);
|
|
}
|
|
|
|
protected function applyBaseFilterSaturation(float $value)
|
|
{
|
|
// https://github.com/scaleflex/filerobot-image-editor/blob/7113bf4968d97f41381f4a2965a59defd44562c8/packages/react-filerobot-image-editor/src/custom/filters/BaseFilters.js#L24
|
|
$this->applyHSV(0, $value, 0); // lazy
|
|
}
|
|
|
|
protected function applyBaseFilterGrayscale()
|
|
{
|
|
// https://github.com/scaleflex/filerobot-image-editor/blob/7113bf4968d97f41381f4a2965a59defd44562c8/packages/react-filerobot-image-editor/src/custom/filters/BaseFilters.js#L38
|
|
// y = 0.2126 * r + 0.7152 * g + 0.0722 * b;
|
|
$this->image->colorMatrixImage([
|
|
0.2126, 0.7152, 0.0722, 0, 0,
|
|
0.2126, 0.7152, 0.0722, 0, 0,
|
|
0.2126, 0.7152, 0.0722, 0, 0,
|
|
0, 0, 0, 1, 0,
|
|
0, 0, 0, 0, 1,
|
|
]);
|
|
}
|
|
|
|
protected function applyBaseFilterSepia(float $value)
|
|
{
|
|
// https://github.com/scaleflex/filerobot-image-editor/blob/7113bf4968d97f41381f4a2965a59defd44562c8/packages/react-filerobot-image-editor/src/custom/filters/BaseFilters.js#L46
|
|
$this->image->colorMatrixImage([
|
|
1 - 0.607 * $value, 0.769 * $value, 0.189 * $value, 0, 0,
|
|
0.349 * $value, 1 - 0.314 * $value, 0.168 * $value, 0, 0,
|
|
0.272 * $value, 0.534 * $value, 1 - 0.869 * $value, 0, 0,
|
|
0, 0, 0, 1, 0,
|
|
0, 0, 0, 0, 1,
|
|
]);
|
|
}
|
|
|
|
protected function applyBaseFilterAdjustRGB(float $r, float $g, float $b)
|
|
{
|
|
// https://github.com/scaleflex/filerobot-image-editor/blob/7113bf4968d97f41381f4a2965a59defd44562c8/packages/react-filerobot-image-editor/src/custom/filters/BaseFilters.js#L57
|
|
$this->image->colorMatrixImage([
|
|
$r, 0, 0, 0, 0,
|
|
0, $g, 0, 0, 0,
|
|
0, 0, $b, 0, 0,
|
|
0, 0, 0, 1, 0,
|
|
0, 0, 0, 0, 1,
|
|
]);
|
|
}
|
|
|
|
protected function applyBaseFilterColorFilter(float $r, float $g, float $b, float $v)
|
|
{
|
|
// https://github.com/scaleflex/filerobot-image-editor/blob/7113bf4968d97f41381f4a2965a59defd44562c8/packages/react-filerobot-image-editor/src/custom/filters/BaseFilters.js#L63
|
|
// y = x - (x - k) * v = (1 - v) * x + k * v
|
|
$this->image->evaluateImage(\Imagick::EVALUATE_MULTIPLY, 1 - $v, \Imagick::CHANNEL_ALL);
|
|
$this->image->evaluateImage(\Imagick::EVALUATE_ADD, $v * $r * 255, \Imagick::CHANNEL_RED);
|
|
$this->image->evaluateImage(\Imagick::EVALUATE_ADD, $v * $g * 255, \Imagick::CHANNEL_GREEN);
|
|
$this->image->evaluateImage(\Imagick::EVALUATE_ADD, $v * $b * 255, \Imagick::CHANNEL_BLUE);
|
|
}
|
|
}
|