mirror of
https://github.com/pierre42100/comunic
synced 2024-11-17 02:51:13 +00:00
568 lines
15 KiB
PHP
568 lines
15 KiB
PHP
<?php
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namespace Gregwar\Image\Adapter;
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use Gregwar\Image\ImageColor;
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use Gregwar\Image\Image;
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class GD extends Common
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{
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public static $gdTypes = array(
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'jpeg' => \IMG_JPG,
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'gif' => \IMG_GIF,
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'png' => \IMG_PNG,
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);
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protected function loadResource($resource)
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{
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parent::loadResource($resource);
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imagesavealpha($this->resource, true);
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}
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/**
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* Gets the width and the height for writing some text
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*/
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public static function TTFBox($font, $text, $size, $angle = 0)
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{
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$box = imagettfbbox($size, $angle, $font, $text);
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return array(
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'width' => abs($box[2] - $box[0]),
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'height' => abs($box[3] - $box[5])
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);
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}
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public function __construct()
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{
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parent::__construct();
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if (!(extension_loaded('gd') && function_exists('gd_info'))) {
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throw new \RuntimeException('You need to install GD PHP Extension to use this library');
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}
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}
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/**
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* @inheritdoc
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*/
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public function getName()
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{
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return 'GD';
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}
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/**
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* @inheritdoc
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*/
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public function fillBackground($background = 0xffffff)
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{
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$w = $this->width();
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$h = $this->height();
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$n = imagecreatetruecolor($w, $h);
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imagefill($n, 0, 0, ImageColor::gdAllocate($this->resource, $background));
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imagecopyresampled($n, $this->resource, 0, 0, 0, 0, $w, $h, $w, $h);
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imagedestroy($this->resource);
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$this->resource = $n;
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return $this;
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}
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/**
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* Do the image resize
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*
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* @return $this
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*/
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protected function doResize($bg, $target_width, $target_height, $new_width, $new_height)
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{
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$width = $this->width();
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$height = $this->height();
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$n = imagecreatetruecolor($target_width, $target_height);
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if ($bg != 'transparent') {
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imagefill($n, 0, 0, ImageColor::gdAllocate($this->resource, $bg));
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} else {
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imagealphablending($n, false);
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$color = ImageColor::gdAllocate($this->resource, 'transparent');
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imagefill($n, 0, 0, $color);
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imagesavealpha($n, true);
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}
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imagecopyresampled($n, $this->resource, ($target_width-$new_width)/2, ($target_height-$new_height)/2, 0, 0, $new_width, $new_height, $width, $height);
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imagedestroy($this->resource);
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$this->resource = $n;
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return $this;
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}
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/**
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* @inheritdoc
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*/
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public function crop($x, $y, $width, $height)
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{
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$destination = imagecreatetruecolor($width, $height);
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imagealphablending($destination, false);
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imagesavealpha($destination, true);
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imagecopy($destination, $this->resource, 0, 0, $x, $y, $this->width(), $this->height());
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imagedestroy($this->resource);
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$this->resource = $destination;
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return $this;
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}
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/**
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* @inheritdoc
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*/
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public function negate()
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{
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imagefilter($this->resource, IMG_FILTER_NEGATE);
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return $this;
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}
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/**
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* @inheritdoc
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*/
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public function brightness($brightness)
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{
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imagefilter($this->resource, IMG_FILTER_BRIGHTNESS, $brightness);
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return $this;
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}
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/**
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* @inheritdoc
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*/
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public function contrast($contrast)
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{
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imagefilter($this->resource, IMG_FILTER_CONTRAST, $contrast);
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return $this;
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}
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/**
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* @inheritdoc
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*/
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public function grayscale()
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{
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imagefilter($this->resource, IMG_FILTER_GRAYSCALE);
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return $this;
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}
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/**
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* @inheritdoc
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*/
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public function emboss()
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{
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imagefilter($this->resource, IMG_FILTER_EMBOSS);
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return $this;
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}
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/**
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* @inheritdoc
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*/
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public function smooth($p)
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{
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imagefilter($this->resource, IMG_FILTER_SMOOTH, $p);
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return $this;
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}
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/**
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* @inheritdoc
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*/
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public function sharp()
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{
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imagefilter($this->resource, IMG_FILTER_MEAN_REMOVAL);
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return $this;
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}
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/**
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* @inheritdoc
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*/
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public function edge()
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{
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imagefilter($this->resource, IMG_FILTER_EDGEDETECT);
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return $this;
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}
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/**
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* @inheritdoc
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*/
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public function colorize($red, $green, $blue)
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{
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imagefilter($this->resource, IMG_FILTER_COLORIZE, $red, $green, $blue);
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return $this;
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}
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/**
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* @inheritdoc
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*/
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public function sepia()
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{
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imagefilter($this->resource, IMG_FILTER_GRAYSCALE);
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imagefilter($this->resource, IMG_FILTER_COLORIZE, 100, 50, 0);
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return $this;
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}
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/**
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* @inheritdoc
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*/
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public function merge(Image $other, $x = 0, $y = 0, $width = null, $height = null)
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{
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$other = clone $other;
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$other->init();
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$other->applyOperations();
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imagealphablending($this->resource, true);
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if (null == $width) {
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$width = $other->width();
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}
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if (null == $height) {
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$height = $other->height();
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}
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imagecopyresampled($this->resource, $other->getAdapter()->getResource(), $x, $y, 0, 0, $width, $height, $width, $height);
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return $this;
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}
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/**
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* @inheritdoc
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*/
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public function rotate($angle, $background = 0xffffff)
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{
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$this->resource = imagerotate($this->resource, $angle, ImageColor::gdAllocate($this->resource, $background));
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imagealphablending($this->resource, true);
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imagesavealpha($this->resource, true);
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return $this;
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}
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/**
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* @inheritdoc
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*/
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public function fill($color = 0xffffff, $x = 0, $y = 0)
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{
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imagealphablending($this->resource, false);
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imagefill($this->resource, $x, $y, ImageColor::gdAllocate($this->resource, $color));
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return $this;
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}
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/**
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* @inheritdoc
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*/
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public function write($font, $text, $x = 0, $y = 0, $size = 12, $angle = 0, $color = 0x000000, $align = 'left')
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{
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imagealphablending($this->resource, true);
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if ($align != 'left') {
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$sim_size = self::TTFBox($font, $text, $size, $angle);
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if ($align == 'center') {
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$x -= $sim_size['width'] / 2;
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}
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if ($align == 'right') {
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$x -= $sim_size['width'];
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}
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}
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imagettftext($this->resource, $size, $angle, $x, $y, ImageColor::gdAllocate($this->resource, $color), $font, $text);
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return $this;
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}
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/**
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* @inheritdoc
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*/
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public function rectangle($x1, $y1, $x2, $y2, $color, $filled = false)
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{
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if ($filled) {
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imagefilledrectangle($this->resource, $x1, $y1, $x2, $y2, ImageColor::gdAllocate($this->resource, $color));
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} else {
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imagerectangle($this->resource, $x1, $y1, $x2, $y2, ImageColor::gdAllocate($this->resource, $color));
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}
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return $this;
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}
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/**
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* @inheritdoc
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*/
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public function roundedRectangle($x1, $y1, $x2, $y2, $radius, $color, $filled = false) {
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if ($color) {
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$color = ImageColor::gdAllocate($this->resource, $color);
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}
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if ($filled == true) {
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imagefilledrectangle($this->resource, $x1+$radius, $y1, $x2-$radius, $y2, $color);
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imagefilledrectangle($this->resource, $x1, $y1+$radius, $x1+$radius-1, $y2-$radius, $color);
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imagefilledrectangle($this->resource, $x2-$radius+1, $y1+$radius, $x2, $y2-$radius, $color);
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imagefilledarc($this->resource,$x1+$radius, $y1+$radius, $radius*2, $radius*2, 180 , 270, $color, IMG_ARC_PIE);
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imagefilledarc($this->resource,$x2-$radius, $y1+$radius, $radius*2, $radius*2, 270 , 360, $color, IMG_ARC_PIE);
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imagefilledarc($this->resource,$x1+$radius, $y2-$radius, $radius*2, $radius*2, 90 , 180, $color, IMG_ARC_PIE);
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imagefilledarc($this->resource,$x2-$radius, $y2-$radius, $radius*2, $radius*2, 360 , 90, $color, IMG_ARC_PIE);
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} else {
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imageline($this->resource, $x1+$radius, $y1, $x2-$radius, $y1, $color);
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imageline($this->resource, $x1+$radius, $y2, $x2-$radius, $y2, $color);
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imageline($this->resource, $x1, $y1+$radius, $x1, $y2-$radius, $color);
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imageline($this->resource, $x2, $y1+$radius, $x2, $y2-$radius, $color);
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imagearc($this->resource,$x1+$radius, $y1+$radius, $radius*2, $radius*2, 180 , 270, $color);
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imagearc($this->resource,$x2-$radius, $y1+$radius, $radius*2, $radius*2, 270 , 360, $color);
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imagearc($this->resource,$x1+$radius, $y2-$radius, $radius*2, $radius*2, 90 , 180, $color);
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imagearc($this->resource,$x2-$radius, $y2-$radius, $radius*2, $radius*2, 360 , 90, $color);
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}
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return $this;
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}
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/**
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* @inheritdoc
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*/
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public function line($x1, $y1, $x2, $y2, $color = 0x000000)
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{
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imageline($this->resource, $x1, $y1, $x2, $y2, ImageColor::gdAllocate($this->resource, $color));
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return $this;
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}
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/**
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* @inheritdoc
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*/
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public function ellipse($cx, $cy, $width, $height, $color = 0x000000, $filled = false)
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{
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if ($filled) {
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imagefilledellipse($this->resource, $cx, $cy, $width, $height, ImageColor::gdAllocate($this->resource, $color));
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} else {
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imageellipse($this->resource, $cx, $cy, $width, $height, ImageColor::gdAllocate($this->resource, $color));
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}
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return $this;
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}
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/**
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* @inheritdoc
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*/
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public function circle($cx, $cy, $r, $color = 0x000000, $filled = false)
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{
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return $this->ellipse($cx, $cy, $r, $r, ImageColor::gdAllocate($this->resource, $color), $filled);
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}
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/**
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* @inheritdoc
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*/
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public function polygon(array $points, $color, $filled = false)
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{
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if ($filled) {
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imagefilledpolygon($this->resource, $points, count($points)/2, ImageColor::gdAllocate($this->resource, $color));
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} else {
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imagepolygon($this->resource, $points, count($points)/2, ImageColor::gdAllocate($this->resource, $color));
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}
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return $this;
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}
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/**
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* @inheritdoc
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*/
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public function flip($flipVertical, $flipHorizontal) {
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if (!$flipVertical && !$flipHorizontal) {
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return $this;
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}
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if (function_exists('imageflip')) {
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if ($flipVertical && $flipHorizontal) {
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$flipMode = \IMG_FLIP_BOTH;
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} else if ($flipVertical && !$flipHorizontal) {
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$flipMode = \IMG_FLIP_VERTICAL;
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} else if (!$flipVertical && $flipHorizontal) {
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$flipMode = \IMG_FLIP_HORIZONTAL;
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}
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imageflip($this->resource, $flipMode);
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} else {
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$width = $this->width();
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$height = $this->height();
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$src_x = 0;
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$src_y = 0;
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$src_width = $width;
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$src_height = $height;
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if ($flipVertical) {
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$src_y = $height -1;
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$src_height = -$height;
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}
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if ($flipHorizontal) {
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$src_x = $width -1;
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$src_width = -$width;
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}
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$imgdest = imagecreatetruecolor ($width, $height);
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imagealphablending($imgdest, false);
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imagesavealpha($imgdest, true);
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if (imagecopyresampled($imgdest, $this->resource, 0, 0, $src_x, $src_y , $width, $height, $src_width, $src_height)) {
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imagedestroy($this->resource);
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$this->resource = $imgdest;
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}
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}
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return $this;
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}
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/**
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* @inheritdoc
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*/
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public function width()
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{
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if (null === $this->resource) {
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$this->init();
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}
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return imagesx($this->resource);
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}
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/**
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* @inheritdoc
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*/
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public function height()
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{
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if (null === $this->resource) {
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$this->init();
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}
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return imagesy($this->resource);
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}
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protected function createImage($width, $height)
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{
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$this->resource = imagecreatetruecolor($width, $height);
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}
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protected function createImageFromData($data)
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{
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$this->resource = @imagecreatefromstring($data);
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}
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/**
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* Converts the image to true color
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*/
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protected function convertToTrueColor()
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{
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if (!imageistruecolor($this->resource)) {
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if (function_exists('imagepalettetotruecolor')) {
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// Available in PHP 5.5
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imagepalettetotruecolor($this->resource);
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} else {
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$transparentIndex = imagecolortransparent($this->resource);
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$w = $this->width();
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$h = $this->height();
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$img = imagecreatetruecolor($w, $h);
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imagecopy($img, $this->resource, 0, 0, 0, 0, $w, $h);
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if ($transparentIndex != -1) {
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$width = $this->width();
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$height = $this->height();
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imagealphablending($img, false);
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imagesavealpha($img, true);
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for ($x=0; $x<$width; $x++) {
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for ($y=0; $y<$height; $y++) {
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if (imagecolorat($this->resource, $x, $y) == $transparentIndex) {
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imagesetpixel($img, $x, $y, 127 << 24);
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}
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}
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}
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}
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$this->resource = $img;
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}
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}
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imagesavealpha($this->resource, true);
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}
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/**
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* @inheritdoc
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*/
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public function saveGif($file)
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{
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$transColor = imagecolorallocatealpha($this->resource, 255, 255, 255, 127);
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imagecolortransparent($this->resource, $transColor);
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imagegif($this->resource, $file);
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return $this;
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}
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/**
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* @inheritdoc
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*/
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public function savePng($file)
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{
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imagepng($this->resource, $file);
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return $this;
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}
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/**
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* @inheritdoc
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*/
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public function saveJpeg($file, $quality)
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{
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imagejpeg($this->resource, $file, $quality);
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return $this;
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}
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/**
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* Try to open the file using jpeg
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*
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*/
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protected function openJpeg($file)
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{
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$this->resource = @imagecreatefromjpeg($file);
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}
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/**
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* Try to open the file using gif
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*/
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protected function openGif($file)
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{
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$this->resource = @imagecreatefromgif($file);
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}
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/**
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* Try to open the file using PNG
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*/
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protected function openPng($file)
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{
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$this->resource = @imagecreatefrompng($file);
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}
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/**
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* Does this adapter supports type ?
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*/
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protected function supports($type)
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{
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return (imagetypes() & self::$gdTypes[$type]);
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}
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protected function getColor($x, $y)
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{
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return imagecolorat($this->resource, $x, $y);
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}
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/**
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* @inheritdoc
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*/
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public function enableProgressive(){
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imageinterlace($this->resource, 1);
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return $this;
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}
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}
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