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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,178 +1,178 @@ | ||
| <?php | ||
| namespace StefanoImage\Adapter; | ||
|
|
||
| use StefanoImage\Adapter\AdapterInterface; | ||
| use StefanoImage\Exception\InvalidArgumentException; | ||
| use StefanoImage\Exception\RuntimeException; | ||
|
|
||
| class Gd | ||
| implements AdapterInterface | ||
| { | ||
| private $canvas; | ||
|
|
||
| public function __construct() { | ||
| $this->checkDependencies(); | ||
| } | ||
|
|
||
| public function __destruct(){ | ||
| if (is_resource($this->canvas)) { | ||
| imagedestroy($this->canvas); | ||
| } | ||
| } | ||
|
|
||
| public function createCanvas($width, $height) { | ||
| $this->canvas = imagecreatetruecolor((int) $width, (int) $height); | ||
|
|
||
| return $this; | ||
| } | ||
|
|
||
| public function backgroundColor($red, $green, $blue) { | ||
| $bgColour = imagecolorallocate($this->getCanvas(), | ||
| (int) $red, (int) $green, (int) $blue); | ||
| imagefill($this->getCanvas(), 0, 0, $bgColour); | ||
|
|
||
| return $this; | ||
| } | ||
|
|
||
| public function drawImage($imagePath, $x, $y, $width, $height) { | ||
| $this->drawImageOnCanvas($imagePath, $x, $y, $width, $height, 100); | ||
| return $this; | ||
| } | ||
|
|
||
| public function drawWatermark($imagePath, $x, $y, $width, $height, $opacity = 30) { | ||
| $this->drawImageOnCanvas($imagePath, $x, $y, $width, $height, $opacity); | ||
| return $this; | ||
| } | ||
|
|
||
| /** | ||
| * @param string $imagePath | ||
| * @param int $x | ||
| * @param int $y | ||
| * @param int $width | ||
| * @param int $height | ||
| * @param int $opacity from 1 to 100 | ||
| * @return \StefanoImage\Adapter\Gd | ||
| */ | ||
| private function drawImageOnCanvas($imagePath, $x, $y, $width, $height, $opacity) { | ||
| $sourceImage = $this->createImageResourceFromGivenFile($imagePath); | ||
|
|
||
| $opacity = (int) $opacity; | ||
| if(1 > $opacity) { | ||
| $opacity = 1; | ||
| } elseif(100 < $opacity) { | ||
| $opacity = 100; | ||
| } | ||
|
|
||
| if(100 == $opacity) { | ||
| imagecopyresampled($this->getCanvas(), $sourceImage, (int) $x, (int) $y, 0, 0, | ||
| (int) $width, (int) $height, imagesx($sourceImage), imagesy($sourceImage)); | ||
| } else { | ||
| $sourceImageCanvas = imagecreatetruecolor((int) $width, (int) $height); | ||
|
|
||
| //keep transparency | ||
| $color = imagecolorallocatealpha($sourceImageCanvas, 0, 0, 0, 127); | ||
| imagecolortransparent($sourceImageCanvas, $color); | ||
| imagealphablending($sourceImageCanvas, false); | ||
| imagesavealpha($sourceImageCanvas, true); | ||
|
|
||
| imagecopyresampled($sourceImageCanvas, $sourceImage, 0, 0, 0, 0, | ||
| imagesx($sourceImageCanvas), imagesy($sourceImageCanvas), | ||
| imagesx($sourceImage), imagesy($sourceImage)); | ||
|
|
||
| imagecopymerge($this->getCanvas(), $sourceImageCanvas, (int) $x, (int) $y, 0, 0, | ||
| imagesx($sourceImageCanvas), imagesy($sourceImageCanvas), $opacity); | ||
|
|
||
| imagedestroy($sourceImageCanvas); | ||
| } | ||
|
|
||
| imagedestroy($sourceImage); | ||
| return $this; | ||
| } | ||
|
|
||
| public function saveAsJpeg($path, $name, $quality = 75) { | ||
| $this->save($path, $name, 'jpeg', $quality); | ||
| return $this; | ||
| } | ||
|
|
||
| public function saveAsPng($path, $name, $quality = 75) { | ||
| $this->save($path, $name, 'png', $quality); | ||
| return $this; | ||
| } | ||
|
|
||
| public function saveAsGif($path, $name) { | ||
| $this->save($path, $name, 'gif'); | ||
| return $this; | ||
| } | ||
|
|
||
| /** | ||
| * | ||
| * @param string $path | ||
| * @param string $name | ||
| * @param string $outputType | ||
| * @param int $quality from 1 to 100 | ||
| */ | ||
| private function save($path, $name, $outputType, $quality = 75) { | ||
| $quality = (int) $quality; | ||
| if(1 > $quality) { | ||
| $quality = 0; | ||
| } elseif(100 < $quality) { | ||
| $quality = 100; | ||
| } | ||
|
|
||
| $basePath = (string) $path . '/' . $name; | ||
|
|
||
| if('jpeg' == $outputType) { | ||
| imagejpeg($this->getCanvas(), $basePath . '.jpeg', $quality); | ||
| } elseif('png' == $outputType) { | ||
| $compression = ceil(abs(($quality / 11.12) - 9)); | ||
| imagepng($this->getCanvas(), $basePath . '.png', $compression); | ||
| } elseif('gif' == $outputType) { | ||
| imagegif($this->getCanvas(), $basePath . '.gif'); | ||
| } else { | ||
| throw new InvalidArgumentException('Unsupported "' . $outputType | ||
| . '" output type'); | ||
| } | ||
| } | ||
|
|
||
| private function getCanvas() { | ||
| return $this->canvas; | ||
| } | ||
|
|
||
| private function checkDependencies() { | ||
| if(!extension_loaded('gd')) { | ||
| throw new RuntimeException('Required PHP extension "GD" was not loaded'); | ||
| } | ||
| } | ||
|
|
||
| /** | ||
| * @param string $imageFilePath | ||
| * @return resource | ||
| * @throws InvalidArgumentException | ||
| */ | ||
| private function createImageResourceFromGivenFile($imageFilePath) { | ||
| if(!file_exists($imageFilePath)) { | ||
| throw new InvalidArgumentException('File "' . $imageFilePath . '" does not exist'); | ||
| } | ||
|
|
||
| $imageinfo = getimagesize($imageFilePath); | ||
| if(false == $imageinfo) { | ||
| throw new InvalidArgumentException('Given file "' . $imageFilePath | ||
| . '" is not image file'); | ||
| } | ||
|
|
||
| $mimeType = $imageinfo['mime']; | ||
|
|
||
| if('image/jpeg' == $mimeType || 'image/pjpeg' == $mimeType) { | ||
| $imageResource = imagecreatefromjpeg($imageFilePath); | ||
| } elseif('image/png' == $mimeType) { | ||
| $imageResource = imagecreatefrompng($imageFilePath); | ||
| } elseif('image/gif' == $mimeType) { | ||
| $imageResource = imagecreatefromgif($imageFilePath); | ||
| } else { | ||
| throw new InvalidArgumentException('Given file "' . $imageFilePath | ||
| . '" has unsupported mime type'); | ||
| } | ||
|
|
||
| return $imageResource; | ||
| } | ||
| <?php | ||
| namespace StefanoImage\Adapter; | ||
|
|
||
| use StefanoImage\Adapter\AdapterInterface; | ||
| use StefanoImage\Exception\InvalidArgumentException; | ||
| use StefanoImage\Exception\RuntimeException; | ||
|
|
||
| class Gd | ||
| implements AdapterInterface | ||
| { | ||
| private $canvas; | ||
|
|
||
| public function __construct() { | ||
| $this->checkDependencies(); | ||
| } | ||
|
|
||
| public function __destruct(){ | ||
| if (is_resource($this->canvas)) { | ||
| imagedestroy($this->canvas); | ||
| } | ||
| } | ||
|
|
||
| public function createCanvas($width, $height) { | ||
| $this->canvas = imagecreatetruecolor((int) $width, (int) $height); | ||
|
|
||
| return $this; | ||
| } | ||
|
|
||
| public function backgroundColor($red, $green, $blue) { | ||
| $bgColour = imagecolorallocate($this->getCanvas(), | ||
| (int) $red, (int) $green, (int) $blue); | ||
| imagefill($this->getCanvas(), 0, 0, $bgColour); | ||
|
|
||
| return $this; | ||
| } | ||
|
|
||
| public function drawImage($imagePath, $x, $y, $width, $height) { | ||
| $this->drawImageOnCanvas($imagePath, $x, $y, $width, $height, 100); | ||
| return $this; | ||
| } | ||
|
|
||
| public function drawWatermark($imagePath, $x, $y, $width, $height, $opacity = 30) { | ||
| $this->drawImageOnCanvas($imagePath, $x, $y, $width, $height, $opacity); | ||
| return $this; | ||
| } | ||
|
|
||
| /** | ||
| * @param string $imagePath | ||
| * @param int $x | ||
| * @param int $y | ||
| * @param int $width | ||
| * @param int $height | ||
| * @param int $opacity from 1 to 100 | ||
| * @return \StefanoImage\Adapter\Gd | ||
| */ | ||
| private function drawImageOnCanvas($imagePath, $x, $y, $width, $height, $opacity) { | ||
| $sourceImage = $this->createImageResourceFromGivenFile($imagePath); | ||
|
|
||
| $opacity = (int) $opacity; | ||
| if(1 > $opacity) { | ||
| $opacity = 1; | ||
| } elseif(100 < $opacity) { | ||
| $opacity = 100; | ||
| } | ||
|
|
||
| if(100 == $opacity) { | ||
| imagecopyresampled($this->getCanvas(), $sourceImage, (int) $x, (int) $y, 0, 0, | ||
| (int) $width, (int) $height, imagesx($sourceImage), imagesy($sourceImage)); | ||
| } else { | ||
| $sourceImageCanvas = imagecreatetruecolor((int) $width, (int) $height); | ||
|
|
||
| //keep transparency | ||
| $color = imagecolorallocatealpha($sourceImageCanvas, 0, 0, 0, 127); | ||
| imagecolortransparent($sourceImageCanvas, $color); | ||
| imagealphablending($sourceImageCanvas, false); | ||
| imagesavealpha($sourceImageCanvas, true); | ||
|
|
||
| imagecopyresampled($sourceImageCanvas, $sourceImage, 0, 0, 0, 0, | ||
| imagesx($sourceImageCanvas), imagesy($sourceImageCanvas), | ||
| imagesx($sourceImage), imagesy($sourceImage)); | ||
|
|
||
| imagecopymerge($this->getCanvas(), $sourceImageCanvas, (int) $x, (int) $y, 0, 0, | ||
| imagesx($sourceImageCanvas), imagesy($sourceImageCanvas), $opacity); | ||
|
|
||
| imagedestroy($sourceImageCanvas); | ||
| } | ||
|
|
||
| imagedestroy($sourceImage); | ||
| return $this; | ||
| } | ||
|
|
||
| public function saveAsJpeg($path, $name, $quality = 75) { | ||
| $this->save($path, $name, 'jpeg', $quality); | ||
| return $this; | ||
| } | ||
|
|
||
| public function saveAsPng($path, $name, $quality = 75) { | ||
| $this->save($path, $name, 'png', $quality); | ||
| return $this; | ||
| } | ||
|
|
||
| public function saveAsGif($path, $name) { | ||
| $this->save($path, $name, 'gif'); | ||
| return $this; | ||
| } | ||
|
|
||
| /** | ||
| * | ||
| * @param string $path | ||
| * @param string $name | ||
| * @param string $outputType | ||
| * @param int $quality from 1 to 100 | ||
| */ | ||
| private function save($path, $name, $outputType, $quality = 75) { | ||
| $quality = (int) $quality; | ||
| if(1 > $quality) { | ||
| $quality = 0; | ||
| } elseif(100 < $quality) { | ||
| $quality = 100; | ||
| } | ||
|
|
||
| $basePath = (string) $path . '/' . $name; | ||
|
|
||
| if('jpeg' == $outputType) { | ||
| imagejpeg($this->getCanvas(), $basePath . '.jpeg', $quality); | ||
| } elseif('png' == $outputType) { | ||
| $compression = ceil(abs(($quality / 11.12) - 9)); | ||
| imagepng($this->getCanvas(), $basePath . '.png', $compression); | ||
| } elseif('gif' == $outputType) { | ||
| imagegif($this->getCanvas(), $basePath . '.gif'); | ||
| } else { | ||
| throw new InvalidArgumentException('Unsupported "' . $outputType | ||
| . '" output type'); | ||
| } | ||
| } | ||
|
|
||
| private function getCanvas() { | ||
| return $this->canvas; | ||
| } | ||
|
|
||
| private function checkDependencies() { | ||
| if(!extension_loaded('gd')) { | ||
| throw new RuntimeException('Required PHP extension "GD" was not loaded'); | ||
| } | ||
| } | ||
|
|
||
| /** | ||
| * @param string $imageFilePath | ||
| * @return resource | ||
| * @throws InvalidArgumentException | ||
| */ | ||
| private function createImageResourceFromGivenFile($imageFilePath) { | ||
| if(!file_exists($imageFilePath)) { | ||
| throw new InvalidArgumentException('File "' . $imageFilePath . '" does not exist'); | ||
| } | ||
|
|
||
| $imageinfo = getimagesize($imageFilePath); | ||
| if(false == $imageinfo) { | ||
| throw new InvalidArgumentException('Given file "' . $imageFilePath | ||
| . '" is not image file'); | ||
| } | ||
|
|
||
| $mimeType = $imageinfo['mime']; | ||
|
|
||
| if('image/jpeg' == $mimeType || 'image/pjpeg' == $mimeType) { | ||
| $imageResource = imagecreatefromjpeg($imageFilePath); | ||
| } elseif('image/png' == $mimeType) { | ||
| $imageResource = imagecreatefrompng($imageFilePath); | ||
| } elseif('image/gif' == $mimeType) { | ||
| $imageResource = imagecreatefromgif($imageFilePath); | ||
| } else { | ||
| throw new InvalidArgumentException('Given file "' . $imageFilePath | ||
| . '" has unsupported mime type'); | ||
| } | ||
|
|
||
| return $imageResource; | ||
| } | ||
| } |