diff --git a/src/Controller/Qrcode.php b/src/Controller/Qrcode.php index d952e17..1b061de 100644 --- a/src/Controller/Qrcode.php +++ b/src/Controller/Qrcode.php @@ -40,7 +40,7 @@ public function showAction($req) $enc = \QRencode::factory($level, $size, 0); $tab = $enc->encode($text); $maxSize = (int)(QR_PNG_MAXIMUM_SIZE / (count($tab))); - $image = \QRimage::image($tab, min($size, $maxSize), 0); + $image = $this->image($tab, min($size, $maxSize), 0); // TODO 支持远程图片 // 将LOGO放置到图片中间 @@ -102,4 +102,61 @@ public function showAction($req) return $content; } + + /** + * @see QRimage::image + * + * @param $frame + * @param int $pixelPerPoint + * @param int $outerFrame + * @param int $back_color + * @param int $fore_color + * @return resource + */ + protected function image( + $frame, + $pixelPerPoint = 4, + $outerFrame = 4, + $back_color = 0xFFFFFF, + $fore_color = 0x000000 + ) { + $h = count($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) + $r1 = round((($fore_color & 0xFF0000) >> 16), 5); + $g1 = round((($fore_color & 0x00FF00) >> 8), 5); + $b1 = round(($fore_color & 0x0000FF), 5); + + // convert a hexadecimal color code into decimal format (red = 255 0 0, green = 0 255 0, blue = 0 0 255) + $r2 = round((($back_color & 0xFF0000) >> 16), 5); + $g2 = round((($back_color & 0x00FF00) >> 8), 5); + $b2 = round(($back_color & 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; + } }