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80 lines
2.7 KiB
PHP
80 lines
2.7 KiB
PHP
<?php
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defined('BASEPATH') OR exit('No direct script access allowed');
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class QRimage {
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protected $ci;
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public function __construct()
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{
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$this->ci =& get_instance();
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}
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//----------------------------------------------------------------------
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public static function png($frame, $filename = false, $pixelPerPoint = 4, $outerFrame = 4,$saveandprint=FALSE)
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{
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$image = self::image($frame, $pixelPerPoint, $outerFrame);
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if ($filename === false) {
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Header("Content-type: image/png");
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ImagePng($image);
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} else {
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if($saveandprint===TRUE){
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ImagePng($image, $filename);
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header("Content-type: image/png");
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ImagePng($image);
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}else{
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ImagePng($image, $filename);
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}
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}
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ImageDestroy($image);
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}
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//----------------------------------------------------------------------
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public static function jpg($frame, $filename = false, $pixelPerPoint = 8, $outerFrame = 4, $q = 85)
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{
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$image = self::image($frame, $pixelPerPoint, $outerFrame);
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if ($filename === false) {
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Header("Content-type: image/jpeg");
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ImageJpeg($image, null, $q);
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} else {
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ImageJpeg($image, $filename, $q);
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}
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ImageDestroy($image);
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}
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//----------------------------------------------------------------------
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private static function image($frame, $pixelPerPoint = 4, $outerFrame = 4)
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{
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$h = count($frame);
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$w = strlen($frame[0]);
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$imgW = $w + 2*$outerFrame;
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$imgH = $h + 2*$outerFrame;
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$base_image =ImageCreate($imgW, $imgH);
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$col[0] = ImageColorAllocate($base_image,255,255,255);
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$col[1] = ImageColorAllocate($base_image,0,0,0);
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imagefill($base_image, 0, 0, $col[0]);
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for($y=0; $y<$h; $y++) {
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for($x=0; $x<$w; $x++) {
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if ($frame[$y][$x] == '1') {
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ImageSetPixel($base_image,$x+$outerFrame,$y+$outerFrame,$col[1]);
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}
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}
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}
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$target_image =ImageCreate($imgW * $pixelPerPoint, $imgH * $pixelPerPoint);
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ImageCopyResized($target_image, $base_image, 0, 0, 0, 0, $imgW * $pixelPerPoint, $imgH * $pixelPerPoint, $imgW, $imgH);
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ImageDestroy($base_image);
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return $target_image;
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}
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}
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