* * QR Code Generator for PHP is distributed under MIT * Copyright (C) 2018 Bruno Vaula Werneck * * @package QR_Code\Encoder */ class Image { /** * @param array $frame * @param string|bool $filename * @param int $pixelPerPoint * @param int $outerFrame * @param bool $saveAndPrint * @param int $backColor * @param int $foreColor */ public static function png (array $frame, $filename = false, int $pixelPerPoint = 4, int $outerFrame = 4, bool $saveAndPrint = false, int $backColor = QR_WHITE, int $foreColor = QR_BLACK) : void { $image = self::image($frame, $pixelPerPoint, $outerFrame, $backColor, $foreColor); if ($filename === false) { Header("Content-type: image/png"); ImagePng($image); } else { if ($saveAndPrint === true) { ImagePng($image, $filename); header("Content-type: image/png"); ImagePng($image); } else { ImagePng($image, $filename); } } ImageDestroy($image); } /** * Stream JPEG Image * * @param array $frame * @param string|bool $filename * @param int $pixelPerPoint * @param int $outerFrame * @param int $quality */ public static function jpg (array $frame, $filename = false, int $pixelPerPoint = 8, int $outerFrame = 4, int $quality = 85) : void { $image = self::image($frame, $pixelPerPoint, $outerFrame); if ($filename === false) { Header("Content-type: image/jpeg"); ImageJpeg($image, null, $quality); } else { ImageJpeg($image, $filename, $quality); } ImageDestroy($image); } /** * Get Image Resource * * @param array $frame * @param int $pixelPerPoint * @param int $outerFrame * @param int $backColor * @param int $foreColor * @return resource */ public static function image (array $frame, int $pixelPerPoint = 4, int $outerFrame = 4, int $backColor = QR_WHITE, int $foreColor = QR_BLACK) { $h = count($frame); $w = strlen($frame[0]); $imgW = $w + 2 * $outerFrame; $imgH = $h + 2 * $outerFrame; $base_image = ImageCreate($imgW, $imgH); /** * convert a hexadecimal color code into decimal format (red = 255 0 0, green = 0 255 0, blue = 0 0 255) */ $r1 = round((($foreColor & 0xFF0000) >> 16), 5); $g1 = round((($foreColor & 0x00FF00) >> 8), 5); $b1 = round(($foreColor & 0x0000FF), 5); /** * convert a hexadecimal color code into decimal format (red = 255 0 0, green = 0 255 0, blue = 0 0 255) */ $r2 = round((($backColor & 0xFF0000) >> 16), 5); $g2 = round((($backColor & 0x00FF00) >> 8), 5); $b2 = round(($backColor & 0x0000FF), 5); $col[0] = ImageColorAllocate($base_image, $r2, $g2, $b2); $col[1] = ImageColorAllocate($base_image, $r1, $g1, $b1); imagefill($base_image, 0, 0, $col[0]); for ($y = 0; $y < $h; $y++) { for ($x = 0; $x < $w; $x++) { if ($frame[$y][$x] == '1') { ImageSetPixel($base_image, $x + $outerFrame, $y + $outerFrame, $col[1]); } } } $target_image = ImageCreate($imgW * $pixelPerPoint, $imgH * $pixelPerPoint); ImageCopyResized($target_image, $base_image, 0, 0, 0, 0, $imgW * $pixelPerPoint, $imgH * $pixelPerPoint, $imgW, $imgH); ImageDestroy($base_image); return $target_image; } }