function changeBackground($im, $red, $green, $blue)
{
    imagetruecolortopalette($im, false, 255);
    $ig = imagecolorat($im, 0, 0);
    imagecolorset($im, $ig, $red, $green, $blue);
    return $im;
}
Example #2
0
 public function run($file)
 {
     $res = $this->open_image($file);
     if ($res != TRUE) {
         return FALSE;
     }
     $this->image_progressive = isset($this->settings['field_settings']['progressive_jpeg']) === TRUE && $this->settings['field_settings']['progressive_jpeg'] == 'yes' ? TRUE : FALSE;
     $this->Ageimage = array(1, 0, 60);
     imagetruecolortopalette($this->EE->channel_images->image, 1, 256);
     for ($c = 0; $c < 256; $c++) {
         $col = imagecolorsforindex($this->EE->channel_images->image, $c);
         $new_col = floor($col['red'] * 0.2125 + $col['green'] * 0.7154 + $col['blue'] * 0.0721);
         $noise = rand(-$this->Ageimage[1], $this->Ageimage[1]);
         if ($this->Ageimage[2] > 0) {
             $r = $new_col + $this->Ageimage[2] + $noise;
             $g = floor($new_col + $this->Ageimage[2] / 1.86 + $noise);
             $b = floor($new_col + $this->Ageimage[2] / -3.48 + $noise);
         } else {
             $r = $new_col + $noise;
             $g = $new_col + $noise;
             $b = $new_col + $noise;
         }
         imagecolorset($this->EE->channel_images->image, $c, max(0, min(255, $r)), max(0, min(255, $g)), max(0, min(255, $b)));
     }
     $this->save_image($file);
     return TRUE;
 }
 function execute()
 {
     $img =& $this->image->getImage();
     if (!($t = imagecolorstotal($img))) {
         $t = 256;
         imagetruecolortopalette($img, true, $t);
     }
     $total = imagecolorstotal($img);
     for ($i = 0; $i < $total; $i++) {
         $index = imagecolorsforindex($img, $i);
         $red = $index["red"] * 0.393 + $index["green"] * 0.769 + $index["blue"] * 0.189;
         $green = $index["red"] * 0.349 + $index["green"] * 0.6860000000000001 + $index["blue"] * 0.168;
         $blue = $index["red"] * 0.272 + $index["green"] * 0.534 + $index["blue"] * 0.131;
         if ($red > 255) {
             $red = 255;
         }
         if ($green > 255) {
             $green = 255;
         }
         if ($blue > 255) {
             $blue = 255;
         }
         imagecolorset($img, $i, $red, $green, $blue);
     }
 }
Example #4
0
 function applyFilter(Canvas $canvas)
 {
     $himage = $canvas->getImage();
     // If not we need to do some enumeration
     $total = imagecolorstotal($himage);
     if ($total > 0) {
         // This works for indexed images but not for truecolor
         for ($i = 0; $i < $total; $i++) {
             $index = imagecolorsforindex($himage, $i);
             $rgb = rgb($index['red'], $index['green'], $index['blue']);
             $hsv = hsv($rgb);
             $hsv->hue = $this->hue;
             $rgb = rgb($hsv);
             $red = $rgb->red;
             $green = $rgb->green;
             $blue = $rgb->blue;
             imagecolorset($himage, $i, $red, $green, $blue);
         }
     } else {
         // For truecolor we need to enum it all
         for ($x = 0; $x < imagesx($himage); $x++) {
             for ($y = 0; $y < imagesy($himage); $y++) {
                 $index = imagecolorat($himage, $x, $y);
                 $rgb = rgb($index['red'], $index['green'], $index['blue'], $index['alpha']);
                 $hsv = hsv($rgb);
                 $hsv->hue = $this->hue;
                 $rgb = rgb($hsv);
                 $red = $rgb->red;
                 $green = $rgb->green;
                 $blue = $rgb->blue;
                 imagesetpixel($himage, $x, $y, $red << 16 | $green < 8 | $blue);
             }
         }
     }
 }
function setColorPalette($input, $output, $clut)
{
    $gd = null;
    if (file_exists($input)) {
        $gd = imagecreatefrompng($input);
    } else {
        throw new Exception("Unable to apply color-table: {$input} does not exist.");
    }
    if (!$gd) {
        throw new Exception("Unable to apply color-table: {$input} is not a valid image.");
    }
    $ctable = imagecreatefrompng($clut);
    for ($i = 0; $i <= 255; $i++) {
        $rgb = imagecolorat($ctable, 0, $i);
        $r = $rgb >> 16 & 0xff;
        $g = $rgb >> 8 & 0xff;
        $b = $rgb & 0xff;
        imagecolorset($gd, $i, $r, $g, $b);
    }
    // Enable interlacing
    imageinterlace($gd, true);
    imagepng($gd, $output);
    // Cleanup
    if ($input != $output) {
        unlink($input);
    }
    imagedestroy($gd);
    imagedestroy($ctable);
}
Example #6
0
 public function execute()
 {
     $this->media->asImage();
     $img = $this->media->getImage();
     if (!($t = imagecolorstotal($img))) {
         $t = 256;
         imagetruecolortopalette($img, true, $t);
     }
     $total = imagecolorstotal($img);
     for ($i = 0; $i < $total; ++$i) {
         $index = imagecolorsforindex($img, $i);
         $red = $index['red'] * 0.393 + $index['green'] * 0.769 + $index['blue'] * 0.189;
         $green = $index['red'] * 0.349 + $index['green'] * 0.6860000000000001 + $index['blue'] * 0.168;
         $blue = $index['red'] * 0.272 + $index['green'] * 0.534 + $index['blue'] * 0.131;
         if ($red > 255) {
             $red = 255;
         }
         if ($green > 255) {
             $green = 255;
         }
         if ($blue > 255) {
             $blue = 255;
         }
         imagecolorset($img, $i, $red, $green, $blue);
     }
     $this->media->setImage($img);
 }
 /**
  * Convert an image.
  *
  * @param   img.Image image
  * @return  bool
  * @throws  img.ImagingException
  */
 public function convert($image)
 {
     // Create temporary variable as local variable access is faster
     // than member variable access.
     $handle = $image->handle;
     if (imageistruecolor($handle)) {
         $l = [];
         $h = $image->getHeight();
         $w = $image->getWidth();
         for ($y = 0; $y < $h; $y++) {
             for ($x = 0; $x < $w; $x++) {
                 $rgb = imagecolorat($handle, $x, $y);
                 if (!isset($l[$rgb])) {
                     $g = 0.299 * ($rgb >> 16 & 0xff) + 0.587 * ($rgb >> 8 & 0xff) + 0.114 * ($rgb & 0xff);
                     $l[$rgb] = imagecolorallocate($handle, $g, $g, $g);
                 }
                 imagesetpixel($handle, $x, $y, $l[$rgb]);
             }
         }
         unset($l);
     } else {
         for ($i = 0, $t = imagecolorstotal($handle); $i < $t; $i++) {
             $c = imagecolorsforindex($handle, $i);
             $g = 0.299 * $c['red'] + 0.587 * $c['green'] + 0.114 * $c['blue'];
             imagecolorset($handle, $i, $g, $g, $g);
         }
     }
 }
Example #8
0
 function applyFilter(Canvas $canvas)
 {
     $himage = $canvas->getImage();
     if (function_exists('imagefilter')) {
         // If gd is bundled this will work
         imagefilter($himage, IMG_FILTER_GRAYSCALE);
     } else {
         // If not we need to do some enumeration
         $total = imagecolorstotal($himage);
         if ($total > 0) {
             // This works for indexed images but not for truecolor
             for ($i = 0; $i < $total; $i++) {
                 $index = imagecolorsforindex($himage, $i);
                 $avg = ($index["red"] + $index["green"] + $index["blue"]) / 3;
                 $red = $avg;
                 $green = $avg;
                 $blue = $avg;
                 imagecolorset($himage, $i, $red, $green, $blue);
             }
         } else {
             // For truecolor we need to enum it all
             for ($x = 0; $x < imagesx($himage); $x++) {
                 for ($y = 0; $y < imagesy($himage); $y++) {
                     $index = imagecolorat($himage, $x, $y);
                     $avg = (($index & 0xff) + ($index >> 8 & 0xff) + ($index >> 16 & 0xff)) / 3;
                     imagesetpixel($himage, $x, $y, $avg | $avg << 8 | $avg << 16);
                 }
             }
         }
     }
 }
function setColorPalette($input, $clut, $base64 = false)
{
    $gd = null;
    if ($base64) {
        $input = base64_decode($input);
    }
    $gd = imagecreatefromstring($input);
    $ctable = imagecreatefrompng($clut);
    for ($i = 0; $i <= 255; $i++) {
        $rgb = imagecolorat($ctable, 0, $i);
        $r = $rgb >> 16 & 0xff;
        $g = $rgb >> 8 & 0xff;
        $b = $rgb & 0xff;
        imagecolorset($gd, $i, $r, $g, $b);
    }
    // start buffering
    ob_start();
    imagepng($gd, NULL);
    $blob = ob_get_contents();
    // end capture
    ob_end_clean();
    // be tidy; free up memory
    imagedestroy($gd);
    imagedestroy($ctable);
    if ($base64) {
        $blob = base64_encode($blob);
    }
    return $blob;
}
function AdjBrightContrast($img, $bright, $contr)
{
    $nbr = imagecolorstotal($img);
    for ($i = 0; $i < $nbr; ++$i) {
        $colarr = imagecolorsforindex($img, $i);
        $r = AdjRGBBrightContrast($colarr["red"], $bright, $contr);
        $g = AdjRGBBrightContrast($colarr["green"], $bright, $contr);
        $b = AdjRGBBrightContrast($colarr["blue"], $bright, $contr);
        imagecolorset($img, $i, $r, $g, $b);
    }
}
Example #11
0
 public function generate()
 {
     $findColor = Image_Image::hexColorToArrayColor($this->find);
     $replaceColor = Image_Image::hexColorToArrayColor($this->replace);
     $index = imagecolorclosest($this->_owner->image, $findColor['red'], $findColor['green'], $findColor['blue']);
     //find
     imagecolorset($this->_owner->image, $index, $replaceColor['red'], $replaceColor['green'], $replaceColor['blue']);
     //replace
     unset($index);
     return true;
 }
 /**
  * Applies the filter to the resource
  *
  * @param ImageResource $aResource
  */
 public function applyFilter(ImageResource $aResource)
 {
     $dest = $aResource->getResource();
     if (imageistruecolor($dest)) {
         imagetruecolortopalette($dest, false, 256);
     }
     foreach ($this->search as $search) {
         $searchRgb = new Color($search);
         $index = imagecolorclosest($aResource->getResource(), $searchRgb->getRed(), $searchRgb->getGreen(), $searchRgb->getBlue());
         // get White COlor
         imagecolorset($aResource->getResource(), $index, $this->replace->getRed(), $this->replace->getGreen(), $this->replace->getBlue());
         // SET NEW COLOR
     }
     $aResource->setResource($dest);
 }
 /**
  * Tints an image.
  * 
  * @param data $img
  * @param int $tint_r
  * @param int $tint_g
  * @param int $tint_b
  * @return data
  * 
  * @example:
  * imagetint($img);  // Grayscale, no tinting
  * imagetint($img, 304, 242, 209);  // What I use for sepia
  * imagetint($img, 0, 0, 255);  // A berry blue image
  * 
  * The RGB values for tinting are normally from 0 to 255.
  * But, you can use values larger than 255 to lighten and "burn" the image.
  * The sepia example above does this a little, the below example provides
  * a better example of lightening the image and burning the light areas
  * out a little:
  * 
  * imagetint($img, 400, 400, 400);  // Lighten image
  * imagetint($img, 127, 127, 127);  // Darken image
  */
 public function imagetint(&$img, $tint_r = 255, $tint_g = 255, $tint_b = 255)
 {
     if (!$this->gd) {
         return;
     }
     $width = imagesx($this->gd);
     $height = imagesy($this->gd);
     $dest = imagecreate($width, $height);
     for ($i = 0; $i < 256; $i++) {
         imagecolorallocate($dest, $i, $i, $i);
     }
     imagecopyresized($dest, $this->gd, 0, 0, 0, 0, $width, $height, $width, $height);
     for ($i = 0; $i < 256; $i++) {
         imagecolorset($dest, $i, min($i * abs($tint_r) / 255, 255), min($i * abs($tint_g) / 255, 255), min($i * abs($tint_b) / 255, 255));
     }
     $img = imagecreate($width, $height);
     imagecopy($this->gd, $dest, 0, 0, 0, 0, $width, $height);
     imagedestroy($dest);
     $output = clone $this;
     $output->setImageResource($this->gd);
     return $output;
 }
Example #14
0
function send_thumb($image, $compression, $sizex, $sizey, $generateOnly = false)
{
    global $bg_color_preview_R, $bg_color_preview_G, $bg_color_preview_B;
    set_error_handler("on_error_no_output");
    ini_set("gd.jpeg_ignore_warning", 1);
    // since php 5.1.3 this leads that corrupt jpgs are read much better!
    set_error_handler("on_error");
    $srcx = 0;
    $srcy = 0;
    $dimx = $sizex;
    $dimy = $sizey;
    $usethumbs = false;
    if (file_exists(dirname(__FILE__) . "/thumbs") && is_writable(dirname(__FILE__) . "/thumbs")) {
        // is a caching dir available and writeable?
        $cachename = dirname(__FILE__) . "/thumbs/" . sha1($image . $sizex) . ".jpg";
        $usethumbs = true;
    }
    if ($usethumbs && file_exists($cachename)) {
        // we return the jpg!
        header("Content-type: image/jpg");
        header("Content-Length: " . filesize($cachename));
        header("Pragma: no-cache");
        header("Expires: 0");
        $fp = fopen($cachename, "rb");
        while ($content = fread($fp, 8192)) {
            print $content;
        }
        fclose($fp);
        return true;
    } else {
        if (file_exists($image)) {
            $oldsize = getimagesize($image);
            // for broken images we try to read the exif data!
            if ($oldsize[0] == 0) {
                $oldsize = get_exif_size($image, $image);
            }
            $oldsizex = $oldsize[0];
            $oldsizey = $oldsize[1];
            if ($oldsizex < $sizex && $oldsizey < $sizey) {
                $sizex = $oldsizex;
                $sizey = $oldsizey;
            }
            $height = $sizey;
            $width = $height / $oldsizey * $oldsizex;
            if ($width > $sizex) {
                $width = $sizex;
                $height = $width / $oldsizex * $oldsizey;
            }
            if (isMemoryOk($oldsize, "")) {
                $src = get_image_src($image, $oldsize[2]);
                if (!$src) {
                    // error in image!
                    if ($sizex < 100) {
                        // we return an empty white one ;).
                        $src = ImageCreateTrueColor($oldsizex, $oldsizey);
                        $back = imagecolorallocate($src, 255, 255, 255);
                        imagefilledrectangle($src, 0, 0, $oldsizex, $oldsizex, $back);
                    }
                    debug($image . " is not a valid image - please check the file.");
                    return false;
                }
                // $dst = ImageCreateTrueColor($width, $height);
                $dst = ImageCreateTrueColor($dimx, $dimy);
                if ($dimx < 100) {
                    // white bg for small preview
                    $back = imagecolorallocate($dst, $bg_color_preview_R, $bg_color_preview_G, $bg_color_preview_B);
                } else {
                    // gray bg for big preview
                    $back = imagecolorallocate($dst, 245, 245, 245);
                }
                imagefilledrectangle($dst, 0, 0, $dimx, $dimy, $back);
                if ($dimx > 100) {
                    // border
                    imagerectangle($dst, 0, 0, $dimx - 1, $dimy - 1, imagecolorallocate($dst, 160, 160, 160));
                }
                $offsetx = 0;
                $offsetx_b = 0;
                if ($dimx > $width) {
                    // we have to center!
                    $offsetx = floor(($dimx - $width) / 2);
                } else {
                    if ($dimx > 100) {
                        $offsetx = 4;
                        $offsetx_b = 8;
                    }
                }
                $offsety = 0;
                $offsety_b = 0;
                if ($dimy > $height) {
                    // we have to center!
                    $offsety = floor(($dimy - $height) / 2);
                } else {
                    if ($dimx > 100) {
                        $offsety = 4;
                        $offsety_b = 8;
                    }
                }
                $trans = imagecolortransparent($src);
                imagecolorset($src, $trans, 255, 255, 255);
                imagecolortransparent($src, imagecolorallocate($src, 0, 0, 0));
                imagecopyresampled($dst, $src, $offsetx, $offsety, $srcx, $srcy, $width - $offsetx_b, $height - $offsety_b, $oldsizex, $oldsizey);
                header("Content-type: image/jpg");
                if ($usethumbs) {
                    // we save the thumb
                    imagejpeg($dst, $cachename, $compression);
                }
                if (!$generateOnly) {
                    header("Pragma: no-cache");
                    header("Expires: 0");
                    ob_start();
                    if (imagejpeg($dst, "", $compression)) {
                        $buffer = ob_get_contents();
                        header("Content-Length: " . strlen($buffer));
                        ob_end_clean();
                        echo $buffer;
                        @imagedestroy($dst);
                        return true;
                    } else {
                        ob_end_flush();
                        debug('cannot save: ' . $image);
                        @imagedestroy($src);
                    }
                }
            }
        }
    }
    return false;
}
Example #15
0
 static function image_resize($src, $dest, $width, $height, $quality = 90)
 {
     if (!file_exists($src)) {
         return false;
     }
     $size = getimagesize($src);
     if ($size === false) {
         return false;
     }
     $format = strtolower(substr($size['mime'], strpos($size['mime'], '/') + 1));
     $w = $size[0];
     $h = $size[1];
     if ($width < $w && $w > $h) {
         $new_width = $width;
         $coef = $w / $width;
         $new_height = round($h / $coef);
     } elseif ($h == $w) {
         $new_height = min($height, $width);
         $new_width = $new_height;
     } else {
         $new_height = $height;
         $coef = $h / $height;
         $new_width = round($w / $coef);
     }
     if ($width > $w && $height > $h) {
         $new_width = $w;
         $new_height = $h;
     }
     if ($format == 'jpeg') {
         $image_src = imagecreatefromjpeg($src);
     }
     if ($format == 'png') {
         $image_src = imagecreatefrompng($src);
     }
     if ($format == 'gif') {
         $image_src = imagecreatefromgif($src);
     }
     $image_dest = imagecreatetruecolor($new_width, $new_height);
     $image_dest2 = imagecreatetruecolor($w, $h);
     imagecopyresampled($image_dest, $image_src, 0, 0, 0, 0, $new_width, $new_height, $w, $h);
     //imagecopyresampled($image_dest2, $image_src, 0, 0, 0, 0, $w, $h, $w, $h);
     imagecolorset($image_dest, 0, 255, 255, 255);
     if ($format == 'jpeg') {
         imagejpeg($image_dest, $dest, $quality);
     }
     if ($format == 'png') {
         imagepng($image_dest, $dest, $quality);
     }
     if ($format == 'gif') {
         imagegif($image_dest, $dest, $quality);
     }
     //echo imagecolorat($image_dest,1,1).'<br>src='.imagecolorat($image_dest2,1,1);exit;
     //imagecolortransparent($image_dest, "#000000");
     imagedestroy($image_src);
     imagedestroy($image_dest);
     return true;
 }
Example #16
0
function resetTransparency($img, $options)
{
    if ($options['imageFormat'] && $options['imageFormat'] !== '') {
        // convert to a specific format
        $imageOptions = explode(':', $options['imageFormat']);
        if ($imageOptions[0] == WADFP_JPEG) {
            $transparent_index = imagecolortransparent($img);
            if ($transparent_index == -1) {
                $tmp = imagecreatetruecolor(imagesx($img), imagesy($img));
                $white = imagecolorallocate($tmp, 255, 255, 255);
                imagefilledrectangle($tmp, 0, 0, imagesx($img), imagesy($img), $white);
                imagecopy($tmp, $img, 0, 0, 0, 0, imagesx($img), imagesy($img));
                $img = $tmp;
            }
            if ($transparent_index >= 0) {
                imagetruecolortopalette($img, true, 255);
                $transparent_index = imagecolortransparent($img);
                $transparent_old = imagecolorsforindex($img, $transparent_index);
                imagecolorset($img, $transparent_index, 255, 255, 255);
            }
        }
    }
    return $img;
}
    /**
     * Convert original image to greyscale and/or apply noise and sephia effect
     *
     */
    private function ageimage() {

        imagetruecolortopalette($this->im,1,256);
        for ($c=0;$c<256;$c++) {
            $col=imagecolorsforindex($this->im,$c);
            $new_col=floor($col['red']*0.2125+$col['green']*0.7154+$col['blue']*0.0721);
            $noise=rand(-$this->Ageimage[1],$this->Ageimage[1]);
            if ($this->Ageimage[2]>0) {
                $r=$new_col+$this->Ageimage[2]+$noise;
                $g=floor($new_col+$this->Ageimage[2]/1.86+$noise);
                $b=floor($new_col+$this->Ageimage[2]/-3.48+$noise);
            } else {
                $r=$new_col+$noise;
                $g=$new_col+$noise;
                $b=$new_col+$noise;
            }
            imagecolorset($this->im,$c,max(0,min(255,$r)),max(0,min(255,$g)),max(0,min(255,$b)));
        }

    }
Example #18
0
 function giffont()
 {
     $seccode = $this->code;
     $seccodedir = array();
     if (function_exists('imagecreatefromgif')) {
         $seccoderoot = $this->datapath . 'gif/';
         $dirs = opendir($seccoderoot);
         while ($dir = readdir($dirs)) {
             if ($dir != '.' && $dir != '..' && file_exists($seccoderoot . $dir . '/9.gif')) {
                 $seccodedir[] = $dir;
             }
         }
     }
     $widthtotal = 0;
     for ($i = 0; $i <= 3; $i++) {
         $this->imcodefile = $seccodedir ? $seccoderoot . $seccodedir[array_rand($seccodedir)] . '/' . strtolower($seccode[$i]) . '.gif' : '';
         if (!empty($this->imcodefile) && file_exists($this->imcodefile)) {
             $font[$i]['file'] = $this->imcodefile;
             $font[$i]['data'] = getimagesize($this->imcodefile);
             $font[$i]['width'] = $font[$i]['data'][0] + mt_rand(0, 6) - 4;
             $font[$i]['height'] = $font[$i]['data'][1] + mt_rand(0, 6) - 4;
             if ($this->width / 5 - $font[$i]['width'] > 0) {
                 $tt = mt_rand(0, $this->width / 5 - $font[$i]['width']);
             } else {
                 $tt = mt_rand($this->width / 5 - $font[$i]['width'], 0);
             }
             $font[$i]['width'] += $tt;
             $widthtotal += $font[$i]['width'];
         } else {
             $font[$i]['file'] = '';
             $font[$i]['width'] = 8 + mt_rand(0, $this->width / 5 - 5);
             $widthtotal += $font[$i]['width'];
         }
     }
     $x = mt_rand(1, $this->width - $widthtotal);
     for ($i = 0; $i <= 3; $i++) {
         $this->color && ($this->fontcolor = array(mt_rand(0, 255), mt_rand(0, 255), mt_rand(0, 255)));
         if ($font[$i]['file']) {
             $this->imcode = imagecreatefromgif($font[$i]['file']);
             if ($this->size) {
                 $font[$i]['width'] = mt_rand($font[$i]['width'] - $this->width / 20, $font[$i]['width'] + $this->width / 20);
                 $font[$i]['height'] = mt_rand($font[$i]['height'] - $this->width / 20, $font[$i]['height'] + $this->width / 20);
             }
             if ($this->height - $font[$i]['height'] > 0) {
                 $y = mt_rand(0, $this->height - $font[$i]['height']);
             } else {
                 $y = mt_rand($this->height - $font[$i]['height'], 0);
             }
             if ($this->shadow) {
                 $this->imcodeshadow = $this->imcode;
                 imagecolorset($this->imcodeshadow, 0, 0, 0, 0);
                 imagecopyresized($this->im, $this->imcodeshadow, $x + 1, $y + 1, 0, 0, $font[$i]['width'], $font[$i]['height'], $font[$i]['data'][0], $font[$i]['data'][1]);
             }
             imagecolorset($this->imcode, 0, $this->fontcolor[0], $this->fontcolor[1], $this->fontcolor[2]);
             imagecopyresized($this->im, $this->imcode, $x, $y, 0, 0, $font[$i]['width'], $font[$i]['height'], $font[$i]['data'][0], $font[$i]['data'][1]);
         } else {
             $y = mt_rand(0, $this->height - 20);
             if ($this->shadow) {
                 $text_shadowcolor = imagecolorallocate($this->im, 0, 0, 0);
                 imagechar($this->im, 5, $x + 1, $y + 1, $seccode[$i], $text_shadowcolor);
             }
             $text_color = imagecolorallocate($this->im, $this->fontcolor[0], $this->fontcolor[1], $this->fontcolor[2]);
             imagechar($this->im, 5, $x, $y, $seccode[$i], $text_color);
         }
         $x += $font[$i]['width'];
     }
 }
Example #19
0
 /**
  * Convert a true color image to a palette image with 256 colors and preserve transparency
  *
  * @return static
  */
 public function convertToPaletteImage()
 {
     if (!imageistruecolor($this->gdResource)) {
         return $this;
     }
     $width = imagesx($this->gdResource);
     $height = imagesy($this->gdResource);
     $transparentColor = null;
     if ($this->countColors(256) <= 256) {
         $paletteImage = imagecreate($width, $height);
         $colors = array();
         $isTransparent = false;
         for ($x = 0; $x < $width; $x++) {
             for ($y = 0; $y < $height; $y++) {
                 $color = imagecolorat($this->gdResource, $x, $y);
                 // Check if the pixel is fully transparent
                 if (($color >> 24 & 0x7f) === 127) {
                     $isTransparent = true;
                 } else {
                     $colors[$color & 0xffffff] = true;
                 }
             }
         }
         $colors = array_keys($colors);
         foreach ($colors as $index => $color) {
             imagecolorset($paletteImage, $index, $color >> 16 & 0xff, $color >> 8 & 0xff, $color & 0xff);
         }
         if ($isTransparent) {
             $transparentColor = imagecolorallocate($paletteImage, 0, 0, 0);
             imagecolortransparent($paletteImage, $transparentColor);
         }
         imagecopy($paletteImage, $this->gdResource, 0, 0, 0, 0, $width, $height);
     } else {
         $paletteImage = imagecreatetruecolor($width, $height);
         imagealphablending($paletteImage, false);
         imagesavealpha($paletteImage, true);
         imagecopy($paletteImage, $this->gdResource, 0, 0, 0, 0, $width, $height);
         // 256 minus 1 for the transparent color
         imagetruecolortopalette($paletteImage, false, 255);
         $transparentColor = imagecolorallocate($paletteImage, 0, 0, 0);
         imagecolortransparent($paletteImage, $transparentColor);
     }
     if ($transparentColor !== null) {
         // Fix fully transparent pixels
         for ($x = 0; $x < $width; $x++) {
             for ($y = 0; $y < $height; $y++) {
                 // Check if the pixel is fully transparent
                 if ((imagecolorat($this->gdResource, $x, $y) >> 24 & 0x7f) === 127) {
                     imagefilledrectangle($paletteImage, $x, $y, $x, $y, $transparentColor);
                 }
             }
         }
     }
     imagedestroy($this->gdResource);
     $this->gdResource = $paletteImage;
     return $this;
 }
Example #20
0
function seccode_giffont()
{
    global $seccode, $seccodedata, $im, $c;
    $seccodedir = array();
    if (function_exists('imagecreatefromgif')) {
        $seccoderoot = 'image/seccode/';
        $dirs = opendir($seccoderoot);
        while ($dir = readdir($dirs)) {
            if ($dir != '.' && $dir != '..' && file_exists($seccoderoot . $dir . '/9.gif')) {
                $seccodedir[] = $dir;
            }
        }
    }
    $widthtotal = 0;
    for ($i = 0; $i <= 3; $i++) {
        $imcodefile = $seccodedir ? $seccoderoot . $seccodedir[array_rand($seccodedir)] . '/' . strtolower($seccode[$i]) . '.gif' : '';
        if (!empty($imcodefile) && file_exists($imcodefile)) {
            $font[$i]['file'] = $imcodefile;
            $font[$i]['data'] = getimagesize($imcodefile);
            $font[$i]['width'] = $font[$i]['data'][0] + mt_rand(0, 6) - 4;
            $font[$i]['height'] = $font[$i]['data'][1] + mt_rand(0, 6) - 4;
            $font[$i]['width'] += mt_rand(0, $seccodedata['width'] / 5 - $font[$i]['width']);
            $widthtotal += $font[$i]['width'];
        } else {
            $font[$i]['file'] = '';
            $font[$i]['width'] = 8 + mt_rand(0, $seccodedata['width'] / 5 - 5);
            $widthtotal += $font[$i]['width'];
        }
    }
    $x = mt_rand(1, $seccodedata['width'] - $widthtotal);
    for ($i = 0; $i <= 3; $i++) {
        if ($font[$i]['file']) {
            $imcode = imagecreatefromgif($font[$i]['file']);
            $y = mt_rand(0, $seccodedata['height'] - $font[$i]['height']);
            if ($seccodedata['shadow']) {
                $imcodeshadow = $imcode;
                imagecolorset($imcodeshadow, 0, 255 - $c[0], 255 - $c[1], 255 - $c[2]);
                imagecopyresized($im, $imcodeshadow, $x + 1, $y + 1, 0, 0, $font[$i]['width'], $font[$i]['height'], $font[$i]['data'][0], $font[$i]['data'][1]);
            }
            imagecolorset($imcode, 0, $c[0], $c[1], $c[2]);
            imagecopyresized($im, $imcode, $x, $y, 0, 0, $font[$i]['width'], $font[$i]['height'], $font[$i]['data'][0], $font[$i]['data'][1]);
        } else {
            $y = mt_rand(0, $seccodedata['height'] - 20);
            if ($seccodedata['shadow']) {
                $text_shadowcolor = imagecolorallocate($im, 255 - $c[0], 255 - $c[1], 255 - $c[2]);
                imagechar($im, 5, $x + 1, $y + 1, $seccode[$i], $text_shadowcolor);
            }
            $text_color = imagecolorallocate($im, $c[0], $c[1], $c[2]);
            imagechar($im, 5, $x, $y, $seccode[$i], $text_color);
        }
        $x += $font[$i]['width'];
    }
}
    private function _makeGrayscale($im) {
        if (imageistruecolor($im)) {
            imagetruecolortopalette($im, false, 256);
        }

        for ($c = 0; $c < imagecolorstotal($im); $c++) {
            $col = imagecolorsforindex($im, $c);
            $gray = round(0.299 * $col['red'] + 0.587 * $col['green'] + 0.114 * $col['blue']);
            imagecolorset($im, $c, $gray, $gray, $gray);
        }

        return $im;
    }
Example #22
0
 public function sepia2()
 {
     if ($this->imageResized) {
         $total = imagecolorstotal($this->imageResized);
         for ($i = 0; $i < $total; $i++) {
             $index = imagecolorsforindex($this->imageResized, $i);
             $red = ($index["red"] * 0.393 + $index["green"] * 0.769 + $index["blue"] * 0.189) / 1.351;
             $green = ($index["red"] * 0.349 + $index["green"] * 0.6860000000000001 + $index["blue"] * 0.168) / 1.203;
             $blue = ($index["red"] * 0.272 + $index["green"] * 0.534 + $index["blue"] * 0.131) / 2.14;
             imagecolorset($this->imageResized, $i, $red, $green, $blue);
         }
     }
 }
Example #23
0
 /**
  * Generates the actual heatmap.
  */
 private function generate_image($data)
 {
     require_once 'gd-rg.php';
     $time = microtime(1);
     $this->logg('Started at ' . $time);
     // Find the maximum value from the given data.
     $max_data_value = 1;
     foreach ($data as $row) {
         if (isset($row[2]) && $max_data_value < $row[2]) {
             $max_data_value = $row[2];
         }
     }
     $this->logg('Done sorting data at ' . (microtime(1) - $time));
     // Create the heatmap image.
     $im = imagecreatetruecolor($this->get_config('width'), $this->get_config('height'));
     $white = imagecolorallocate($im, 255, 255, 255);
     imagefill($im, 0, 0, $white);
     imagealphablending($im, true);
     imagesavealpha($im, true);
     // Create a separate spot image for each value to be shown, with different
     // amounts of black. Having 25 separate shades of colour looks like a decent
     // number.
     $spots = array();
     for ($i = 0; $i < $this->config['noc']; $i++) {
         // The gradient lib doesn't like too small values for $alpha_end, so we use
         // $noc for that, which happens to work well.
         $alpha_end = $this->map($i, 0, $this->config['noc'] - 1, $this->config['noc'], 255);
         $temp = new gd_gradient_alpha($this->config['r'], $this->config['r'], 'ellipse', '#000', 0x0, $alpha_end, 0);
         $spot = $temp->get_image();
         imagealphablending($spot, true);
         imagesavealpha($spot, true);
         $spots[$i] = $spot;
     }
     $this->logg('Created ' . count($spots) . ' spots at ' . (microtime(1) - $time));
     // Go through the data, and add appropriate spot images to the heatmap
     // image.
     for ($i = 0; $i < count($data); $i++) {
         $value = isset($data[$i][2]) ? $data[$i][2] : 1;
         $value = $this->map($value, 1, $max_data_value, 0, $this->config['noc'] - 1);
         imagecopy($im, $spots[$value], $data[$i][0], $data[$i][1], 0, 0, $this->config['r'], $this->config['r']);
     }
     $this->logg('Copied spots to image at ' . (microtime(1) - $time));
     imagetruecolortopalette($im, $this->config['dither'], $this->config['noc']);
     $this->logg('Flattened black at ' . (microtime(1) - $time));
     // Get the gradient from an image file
     $gi = 'gradient-' . $this->config['noc'] . '.png';
     if (!file_exists($gi)) {
         $this->error("Can't find gradient file " . $gi . ". Make one using gradient-source.jpg");
     }
     $gs = imagecreatefrompng($gi);
     imagetruecolortopalette($gs, TRUE, $this->config['noc']);
     // Get a list of different gray values in the image, and order them.
     $grays = array();
     for ($i = 0; $i < imagecolorstotal($im); $i++) {
         $c = imagecolorsforindex($im, $i);
         $grays[] = str_pad($c['red'] * 65536 + $c['green'] * 256 + $c['blue'], 8, '0', STR_PAD_LEFT) . ':' . $i;
     }
     sort($grays);
     $indexes = array();
     foreach ($grays as $gray) {
         $indexes[] = substr($gray, strpos($gray, ':') + 1);
     }
     $this->logg('Created gray indexes at ' . (microtime(1) - $time));
     // Replace each shade of gray with the matching rainbow colour.
     $i = 0;
     foreach ($indexes as $index) {
         $fill_index = imagecolorat($gs, $i, 0);
         $fill_color = imagecolorsforindex($gs, $fill_index);
         imagecolorset($im, $index, $fill_color['red'], $fill_color['green'], $fill_color['blue']);
         $i++;
     }
     $this->logg('Replaced black with rainbow at ' . (microtime(1) - $time));
     // Finally switch from white background to transparent.
     $closest = imagecolorclosest($im, 255, 255, 255);
     imagecolortransparent($im, $closest);
     $this->logg('done at ' . (microtime(1) - $time));
     // Debugging text
     if ($this->config['debug']) {
         $text_color = imagecolorallocate($im, 0, 0, 0);
         $y = 5;
         foreach (explode("\n", $this->debug_log) as $line) {
             imagestring($im, 3, 250, $y, $line, $text_color);
             $y = $y + 10;
         }
     }
     $this->im = $im;
 }
Example #24
0
File: GD.php Project: joeymetal/v1
 /**
  * Adds a border of constant width around an image
  *
  * @param int $border_width Width of border to add
  * @author Peter Bowyer
  * @return bool TRUE
  * @access public
  */
 function addBorder($border_width, $color = '')
 {
     $this->new_x = $this->img_x + 2 * $border_width;
     $this->new_y = $this->img_y + 2 * $border_width;
     $new_img = $this->_createImage($new_x, $new_y, $this->true_color);
     $options = array('pencilColor', $color);
     $color = $this->_getColor('pencilColor', $options, array(0, 0, 0));
     if ($color) {
         if ($this->true_color) {
             $c = imagecolorresolve($this->imageHandle, $color[0], $color[1], $color[2]);
             imagefill($new_img, 0, 0, $c);
         } else {
             imagecolorset($new_img, imagecolorat($new_img, 0, 0), $color[0], $color[1], $color[2]);
         }
     }
     ImageCopy($new_img, $this->imageHandle, $border_width, $border_width, 0, 0, $this->img_x, $this->img_y);
     $this->imageHandle = $new_img;
     $this->resized = true;
     return true;
 }
Example #25
0
 function imgfont(&$im)
 {
     $img = array();
     if (function_exists('imagecreatefromgif')) {
         $imgfont = $GLOBALS['imgdir'] . '/ck/gif/';
         $dirs = opendir($imgfont);
         while ($file = readdir($dirs)) {
             if ($file != '.' && $file != '..' && file_exists($imgfont . $file . '/2.gif')) {
                 $img[] = $file;
             }
         }
         @closedir($dirs);
     }
     $code = $this->getCode();
     $width = $this->width / $this->num;
     for ($i = 0; $i < $this->num; $i++) {
         $filepath = $img ? $imgfont . $img[array_rand($img)] . '/' . strtolower($code[$i]) . '.gif' : '';
         $len = $i * $width;
         if ($filepath && file_exists($filepath)) {
             $src_im = imagecreatefromgif($filepath);
             list($srcW, $srcH) = getimagesize($filepath);
             $dstW = $this->height / 2;
             $dstH = $dstW * $srcH / $srcW;
             $x = mt_rand($len, $len + $width - $dstW);
             $y = mt_rand(0, $this->height - $dstH);
             if ($this->style & 16) {
                 imagecolorset($src_im, 0, mt_rand(0, 255), mt_rand(0, 255), mt_rand(0, 255));
             }
             if ($this->style & 2) {
                 $rate = mt_rand(80, 120) / 100;
                 $dstW *= $rate;
                 $dstH *= $rate;
             }
             imagecopyresized($im, $src_im, $x, $y, 0, 0, $dstW, $dstH, $srcW, $srcH);
         } else {
             $color = $this->getColor($im);
             $x = mt_rand($len, $len + $width - 10);
             $y = mt_rand(10, $this->height - 10);
             imagechar($im, 5, $x, $y, $code[$i], $color);
         }
     }
 }
Example #26
0
 /**
  * Color a territory the color of a given countryID. This must be done
  * before anything else is written to the image
  *
  * @param string $terrName The name of the territory to color
  * @param string $countryID The name of the countryID
  */
 public function colorTerritory($terrID, $countryID)
 {
     /*
      * The map files are both color coded so that each territory has its own
      * unique color. When coloring a territory the territory's color is
      * selected from the map, and imagecolorset() is used to change the
      * territory's unique color to the desired color
      */
     list($x, $y) = $this->territoryPositions[$terrID];
     $territoryColor = imagecolorat($this->map['image'], $x, $y);
     list($r, $g, $b) = $this->countryColors[$countryID];
     imagecolorset($this->map['image'], $territoryColor, $r, $g, $b);
 }
Example #27
0
$teststring = "{$mins}'{$secs}";
//	$teststring		= "00d00:00:00.01";
$image = imagecreate(64, 9);
$imagenum = imagecreatefrompng("digits8.png");
$bg = imagecolorallocate($image, 255, 0, 255);
$black = imagecolorallocate($image, 0, 0, 0);
if ($left > 3600) {
    $barcol = imagecolorallocate($image, 100, 255, 100);
} elseif ($left >= 1800) {
    $barcolr = 50 + 205 * ($left / 1800);
    $barcol = imagecolorallocate($image, 100, 255, $barcolr);
} else {
    $barcolg = 0 + 255 * ($left / 1800);
    $barcol = imagecolorallocate($image, 0, $barcolg, 255);
    imagecolorset($imagenum, 2, $barcolg, $barcolg / 2 + 128, 255);
    imagecolorset($imagenum, 3, 0, $barcolg / 4, $barcolg / 1.5);
}
imageline($image, $bpad + 1, 8, $barpct + 1 + $bpad, 8, $black);
imageline($image, $bpad, 7, $barpct + $bpad, 7, $barcol);
$nums = str_split($teststring);
$ofs = 5;
foreach ($nums as $n) {
    $of = 6;
    switch ($n) {
        case ":":
            $w = 2;
            $p = 81;
            $of = 2;
            break;
        case "\"":
            $w = 4;
Example #28
0
 /**
  * Create the image.
  *
  * @throws Exceptions\DataDoesntExistsException
  * @throws Exceptions\VersionTooLargeException
  * @throws Exceptions\ImageSizeTooLargeException
  * @throws \OverflowException
  */
 public function create()
 {
     $image_path = $this->image_path;
     $path = $this->path;
     $version_ul = 40;
     $qrcode_data_string = $this->text;
     //Previously from $_GET["d"];
     $qrcode_error_correct = $this->error_correction;
     //Previously from $_GET["e"];
     $qrcode_module_size = $this->module_size;
     //Previously from $_GET["s"];
     $qrcode_version = $this->version;
     //Previously from $_GET["v"];
     $qrcode_image_type = $this->image_type;
     //Previously from $_GET["t"];
     $qrcode_structureappend_n = $this->structure_append_n;
     //Previously from $_GET["n"];
     $qrcode_structureappend_m = $this->structure_append_m;
     //Previously from $_GET["m"];
     $qrcode_structureappend_parity = $this->structure_append_parity;
     //Previously from $_GET["p"];
     $qrcode_structureappend_originaldata = $this->structure_append_original_data;
     //Previously from $_GET["o"];
     if ($qrcode_module_size > 0) {
     } else {
         if ($qrcode_image_type == 'jpeg') {
             $qrcode_module_size = 8;
         } else {
             $qrcode_module_size = 4;
         }
     }
     $data_length = strlen($qrcode_data_string);
     if ($data_length <= 0) {
         throw new DataDoesntExistsException('QRCode: Data does not exists.');
     }
     $data_counter = 0;
     if ($qrcode_structureappend_n > 1 && $qrcode_structureappend_n <= 16 && $qrcode_structureappend_m > 0 && $qrcode_structureappend_m <= 16) {
         $data_value[0] = 3;
         $data_bits[0] = 4;
         $data_value[1] = $qrcode_structureappend_m - 1;
         $data_bits[1] = 4;
         $data_value[2] = $qrcode_structureappend_n - 1;
         $data_bits[2] = 4;
         $originaldata_length = strlen($qrcode_structureappend_originaldata);
         if ($originaldata_length > 1) {
             $qrcode_structureappend_parity = 0;
             $i = 0;
             while ($i < $originaldata_length) {
                 $qrcode_structureappend_parity = $qrcode_structureappend_parity ^ ord(substr($qrcode_structureappend_originaldata, $i, 1));
                 ++$i;
             }
         }
         $data_value[3] = $qrcode_structureappend_parity;
         $data_bits[3] = 8;
         $data_counter = 4;
     }
     $data_bits[$data_counter] = 4;
     /*  --- determine encode mode */
     if (preg_match('/[^0-9]/', $qrcode_data_string) != 0) {
         if (preg_match("/[^0-9A-Z \$\\*\\%\\+\\.\\/\\:\\-]/", $qrcode_data_string) != 0) {
             /*  --- 8bit byte mode */
             $codeword_num_plus = array(0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8);
             $data_value[$data_counter] = 4;
             ++$data_counter;
             $data_value[$data_counter] = $data_length;
             $data_bits[$data_counter] = 8;
             /* #version 1-9 */
             $codeword_num_counter_value = $data_counter;
             ++$data_counter;
             $i = 0;
             while ($i < $data_length) {
                 $data_value[$data_counter] = ord(substr($qrcode_data_string, $i, 1));
                 $data_bits[$data_counter] = 8;
                 ++$data_counter;
                 ++$i;
             }
         } else {
             /* ---- alphanumeric mode */
             $codeword_num_plus = array(0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4);
             $data_value[$data_counter] = 2;
             ++$data_counter;
             $data_value[$data_counter] = $data_length;
             $data_bits[$data_counter] = 9;
             /* #version 1-9 */
             $codeword_num_counter_value = $data_counter;
             $alphanumeric_character_hash = array('0' => 0, '1' => 1, '2' => 2, '3' => 3, '4' => 4, '5' => 5, '6' => 6, '7' => 7, '8' => 8, '9' => 9, 'A' => 10, 'B' => 11, 'C' => 12, 'D' => 13, 'E' => 14, 'F' => 15, 'G' => 16, 'H' => 17, 'I' => 18, 'J' => 19, 'K' => 20, 'L' => 21, 'M' => 22, 'N' => 23, 'O' => 24, 'P' => 25, 'Q' => 26, 'R' => 27, 'S' => 28, 'T' => 29, 'U' => 30, 'V' => 31, 'W' => 32, 'X' => 33, 'Y' => 34, 'Z' => 35, ' ' => 36, '$' => 37, '%' => 38, '*' => 39, '+' => 40, '-' => 41, '.' => 42, '/' => 43, ':' => 44);
             $i = 0;
             ++$data_counter;
             while ($i < $data_length) {
                 if ($i % 2 == 0) {
                     $data_value[$data_counter] = $alphanumeric_character_hash[substr($qrcode_data_string, $i, 1)];
                     $data_bits[$data_counter] = 6;
                 } else {
                     $data_value[$data_counter] = $data_value[$data_counter] * 45 + $alphanumeric_character_hash[substr($qrcode_data_string, $i, 1)];
                     $data_bits[$data_counter] = 11;
                     ++$data_counter;
                 }
                 ++$i;
             }
         }
     } else {
         /* ---- numeric mode */
         $codeword_num_plus = array(0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4);
         $data_value[$data_counter] = 1;
         ++$data_counter;
         $data_value[$data_counter] = $data_length;
         $data_bits[$data_counter] = 10;
         /* #version 1-9 */
         $codeword_num_counter_value = $data_counter;
         $i = 0;
         ++$data_counter;
         while ($i < $data_length) {
             if ($i % 3 == 0) {
                 $data_value[$data_counter] = substr($qrcode_data_string, $i, 1);
                 $data_bits[$data_counter] = 4;
             } else {
                 $data_value[$data_counter] = $data_value[$data_counter] * 10 + substr($qrcode_data_string, $i, 1);
                 if ($i % 3 == 1) {
                     $data_bits[$data_counter] = 7;
                 } else {
                     $data_bits[$data_counter] = 10;
                     ++$data_counter;
                 }
             }
             ++$i;
         }
     }
     if (array_key_exists($data_counter, $data_bits) && $data_bits[$data_counter] > 0) {
         ++$data_counter;
     }
     $i = 0;
     $total_data_bits = 0;
     while ($i < $data_counter) {
         $total_data_bits += $data_bits[$i];
         ++$i;
     }
     $ecc_character_hash = array('L' => '1', 'l' => '1', 'M' => '0', 'm' => '0', 'Q' => '3', 'q' => '3', 'H' => '2', 'h' => '2');
     if (!is_numeric($qrcode_error_correct)) {
         $ec = @$ecc_character_hash[$qrcode_error_correct];
     } else {
         $ec = $qrcode_error_correct;
     }
     if (!$ec) {
         $ec = 0;
     }
     $max_data_bits = 0;
     $max_data_bits_array = array(0, 128, 224, 352, 512, 688, 864, 992, 1232, 1456, 1728, 2032, 2320, 2672, 2920, 3320, 3624, 4056, 4504, 5016, 5352, 5712, 6256, 6880, 7312, 8000, 8496, 9024, 9544, 10136, 10984, 11640, 12328, 13048, 13800, 14496, 15312, 15936, 16816, 17728, 18672, 152, 272, 440, 640, 864, 1088, 1248, 1552, 1856, 2192, 2592, 2960, 3424, 3688, 4184, 4712, 5176, 5768, 6360, 6888, 7456, 8048, 8752, 9392, 10208, 10960, 11744, 12248, 13048, 13880, 14744, 15640, 16568, 17528, 18448, 19472, 20528, 21616, 22496, 23648, 72, 128, 208, 288, 368, 480, 528, 688, 800, 976, 1120, 1264, 1440, 1576, 1784, 2024, 2264, 2504, 2728, 3080, 3248, 3536, 3712, 4112, 4304, 4768, 5024, 5288, 5608, 5960, 6344, 6760, 7208, 7688, 7888, 8432, 8768, 9136, 9776, 10208, 104, 176, 272, 384, 496, 608, 704, 880, 1056, 1232, 1440, 1648, 1952, 2088, 2360, 2600, 2936, 3176, 3560, 3880, 4096, 4544, 4912, 5312, 5744, 6032, 6464, 6968, 7288, 7880, 8264, 8920, 9368, 9848, 10288, 10832, 11408, 12016, 12656, 13328);
     if (!is_numeric($qrcode_version)) {
         $qrcode_version = 0;
     }
     if (!$qrcode_version) {
         /* #--- auto version select */
         $i = 1 + 40 * $ec;
         $j = $i + 39;
         $qrcode_version = 1;
         while ($i <= $j) {
             if ($max_data_bits_array[$i] >= $total_data_bits + $codeword_num_plus[$qrcode_version]) {
                 $max_data_bits = $max_data_bits_array[$i];
                 break;
             }
             ++$i;
             ++$qrcode_version;
         }
     } else {
         $max_data_bits = $max_data_bits_array[$qrcode_version + 40 * $ec];
     }
     if ($qrcode_version > $version_ul) {
         throw new VersionTooLargeException('QRCode : version too large');
     }
     $total_data_bits += $codeword_num_plus[$qrcode_version];
     $data_bits[$codeword_num_counter_value] += $codeword_num_plus[$qrcode_version];
     $max_codewords_array = array(0, 26, 44, 70, 100, 134, 172, 196, 242, 292, 346, 404, 466, 532, 581, 655, 733, 815, 901, 991, 1085, 1156, 1258, 1364, 1474, 1588, 1706, 1828, 1921, 2051, 2185, 2323, 2465, 2611, 2761, 2876, 3034, 3196, 3362, 3532, 3706);
     $max_codewords = $max_codewords_array[$qrcode_version];
     $max_modules_1side = 17 + ($qrcode_version << 2);
     $matrix_remain_bit = array(0, 0, 7, 7, 7, 7, 7, 0, 0, 0, 0, 0, 0, 0, 3, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 0, 0, 0, 0, 0, 0);
     /* ---- read version ECC data file */
     $byte_num = $matrix_remain_bit[$qrcode_version] + ($max_codewords << 3);
     $filename = $path . '/qrv' . $qrcode_version . '_' . $ec . '.dat';
     $fp1 = fopen($filename, 'rb');
     $matx = fread($fp1, $byte_num);
     $maty = fread($fp1, $byte_num);
     $masks = fread($fp1, $byte_num);
     $fi_x = fread($fp1, 15);
     $fi_y = fread($fp1, 15);
     $rs_ecc_codewords = ord(fread($fp1, 1));
     $rso = fread($fp1, 128);
     fclose($fp1);
     $matrix_x_array = unpack('C*', $matx);
     $matrix_y_array = unpack('C*', $maty);
     $mask_array = unpack('C*', $masks);
     $rs_block_order = unpack('C*', $rso);
     $format_information_x2 = unpack('C*', $fi_x);
     $format_information_y2 = unpack('C*', $fi_y);
     $format_information_x1 = array(0, 1, 2, 3, 4, 5, 7, 8, 8, 8, 8, 8, 8, 8, 8);
     $format_information_y1 = array(8, 8, 8, 8, 8, 8, 8, 8, 7, 5, 4, 3, 2, 1, 0);
     $max_data_codewords = $max_data_bits >> 3;
     $filename = $path . '/rsc' . $rs_ecc_codewords . '.dat';
     $fp0 = fopen($filename, 'rb');
     $i = 0;
     $rs_cal_table_array = array();
     while ($i < 256) {
         $rs_cal_table_array[$i] = fread($fp0, $rs_ecc_codewords);
         ++$i;
     }
     fclose($fp0);
     /*  --- set terminator */
     if ($total_data_bits <= $max_data_bits - 4) {
         $data_value[$data_counter] = 0;
         $data_bits[$data_counter] = 4;
     } else {
         if ($total_data_bits < $max_data_bits) {
             $data_value[$data_counter] = 0;
             $data_bits[$data_counter] = $max_data_bits - $total_data_bits;
         } else {
             if ($total_data_bits > $max_data_bits) {
                 throw new \OverflowException('QRCode : Overflow error');
             }
         }
     }
     /* ----divide data by 8bit */
     $i = 0;
     $codewords_counter = 0;
     $codewords[0] = 0;
     $remaining_bits = 8;
     while ($i <= $data_counter) {
         $buffer = @$data_value[$i];
         $buffer_bits = @$data_bits[$i];
         $flag = 1;
         while ($flag) {
             if ($remaining_bits > $buffer_bits) {
                 $codewords[$codewords_counter] = @$codewords[$codewords_counter] << $buffer_bits | $buffer;
                 $remaining_bits -= $buffer_bits;
                 $flag = 0;
             } else {
                 $buffer_bits -= $remaining_bits;
                 $codewords[$codewords_counter] = $codewords[$codewords_counter] << $remaining_bits | $buffer >> $buffer_bits;
                 if ($buffer_bits == 0) {
                     $flag = 0;
                 } else {
                     $buffer = $buffer & (1 << $buffer_bits) - 1;
                     $flag = 1;
                 }
                 ++$codewords_counter;
                 if ($codewords_counter < $max_data_codewords - 1) {
                     $codewords[$codewords_counter] = 0;
                 }
                 $remaining_bits = 8;
             }
         }
         ++$i;
     }
     if ($remaining_bits != 8) {
         $codewords[$codewords_counter] = $codewords[$codewords_counter] << $remaining_bits;
     } else {
         --$codewords_counter;
     }
     /* ----  set padding character */
     if ($codewords_counter < $max_data_codewords - 1) {
         $flag = 1;
         while ($codewords_counter < $max_data_codewords - 1) {
             ++$codewords_counter;
             if ($flag == 1) {
                 $codewords[$codewords_counter] = 236;
             } else {
                 $codewords[$codewords_counter] = 17;
             }
             $flag = $flag * -1;
         }
     }
     /* ---- RS-ECC prepare */
     $i = 0;
     $j = 0;
     $rs_block_number = 0;
     $rs_temp[0] = '';
     while ($i < $max_data_codewords) {
         $rs_temp[$rs_block_number] .= chr($codewords[$i]);
         ++$j;
         if ($j >= $rs_block_order[$rs_block_number + 1] - $rs_ecc_codewords) {
             $j = 0;
             ++$rs_block_number;
             $rs_temp[$rs_block_number] = '';
         }
         ++$i;
     }
     /*
     #
     # RS-ECC main
     #
     */
     $rs_block_number = 0;
     $rs_block_order_num = count($rs_block_order);
     while ($rs_block_number < $rs_block_order_num) {
         $rs_codewords = $rs_block_order[$rs_block_number + 1];
         $rs_data_codewords = $rs_codewords - $rs_ecc_codewords;
         $rstemp = $rs_temp[$rs_block_number] . str_repeat(chr(0), $rs_ecc_codewords);
         $padding_data = str_repeat(chr(0), $rs_data_codewords);
         $j = $rs_data_codewords;
         while ($j > 0) {
             $first = ord(substr($rstemp, 0, 1));
             if ($first) {
                 $left_chr = substr($rstemp, 1);
                 $cal = $rs_cal_table_array[$first] . $padding_data;
                 $rstemp = $left_chr ^ $cal;
             } else {
                 $rstemp = substr($rstemp, 1);
             }
             --$j;
         }
         $codewords = array_merge($codewords, unpack('C*', $rstemp));
         ++$rs_block_number;
     }
     /* ---- flash matrix */
     $matrix_content = array();
     $i = 0;
     while ($i < $max_modules_1side) {
         $j = 0;
         while ($j < $max_modules_1side) {
             $matrix_content[$j][$i] = 0;
             ++$j;
         }
         ++$i;
     }
     /* --- attach data */
     $i = 0;
     while ($i < $max_codewords) {
         $codeword_i = $codewords[$i];
         $j = 8;
         while ($j >= 1) {
             $codeword_bits_number = ($i << 3) + $j;
             $matrix_content[$matrix_x_array[$codeword_bits_number]][$matrix_y_array[$codeword_bits_number]] = 255 * ($codeword_i & 1) ^ $mask_array[$codeword_bits_number];
             $codeword_i = $codeword_i >> 1;
             --$j;
         }
         ++$i;
     }
     $matrix_remain = $matrix_remain_bit[$qrcode_version];
     while ($matrix_remain) {
         $remain_bit_temp = $matrix_remain + ($max_codewords << 3);
         $matrix_content[$matrix_x_array[$remain_bit_temp]][$matrix_y_array[$remain_bit_temp]] = 255 ^ $mask_array[$remain_bit_temp];
         --$matrix_remain;
     }
     #--- mask select
     $min_demerit_score = 0;
     $hor_master = '';
     $ver_master = '';
     $k = 0;
     while ($k < $max_modules_1side) {
         $l = 0;
         while ($l < $max_modules_1side) {
             $hor_master = $hor_master . chr($matrix_content[$l][$k]);
             $ver_master = $ver_master . chr($matrix_content[$k][$l]);
             ++$l;
         }
         ++$k;
     }
     $i = 0;
     $all_matrix = $max_modules_1side * $max_modules_1side;
     $mask_number = 0;
     while ($i < 8) {
         $demerit_n1 = 0;
         $ptn_temp = array();
         $bit = 1 << $i;
         $bit_r = ~$bit & 255;
         $bit_mask = str_repeat(chr($bit), $all_matrix);
         $hor = $hor_master & $bit_mask;
         $ver = $ver_master & $bit_mask;
         $ver_shift1 = $ver . str_repeat(chr(170), $max_modules_1side);
         $ver_shift2 = str_repeat(chr(170), $max_modules_1side) . $ver;
         $ver_shift1_0 = $ver . str_repeat(chr(0), $max_modules_1side);
         $ver_shift2_0 = str_repeat(chr(0), $max_modules_1side) . $ver;
         $ver_or = chunk_split(~($ver_shift1 | $ver_shift2), $max_modules_1side, chr(170));
         $ver_and = chunk_split(~($ver_shift1_0 & $ver_shift2_0), $max_modules_1side, chr(170));
         $hor = chunk_split(~$hor, $max_modules_1side, chr(170));
         $ver = chunk_split(~$ver, $max_modules_1side, chr(170));
         $hor = $hor . chr(170) . $ver;
         $n1_search = '/' . str_repeat(chr(255), 5) . '+|' . str_repeat(chr($bit_r), 5) . '+/';
         $n3_search = chr($bit_r) . chr(255) . chr($bit_r) . chr($bit_r) . chr($bit_r) . chr(255) . chr($bit_r);
         $demerit_n3 = substr_count($hor, $n3_search) * 40;
         $demerit_n4 = floor(abs((100 * (substr_count($ver, chr($bit_r)) / $byte_num) - 50) / 5)) * 10;
         $n2_search1 = '/' . chr($bit_r) . chr($bit_r) . '+/';
         $n2_search2 = '/' . chr(255) . chr(255) . '+/';
         $demerit_n2 = 0;
         preg_match_all($n2_search1, $ver_and, $ptn_temp);
         foreach ($ptn_temp[0] as $str_temp) {
             $demerit_n2 += strlen($str_temp) - 1;
         }
         $ptn_temp = array();
         preg_match_all($n2_search2, $ver_or, $ptn_temp);
         foreach ($ptn_temp[0] as $str_temp) {
             $demerit_n2 += strlen($str_temp) - 1;
         }
         $demerit_n2 *= 3;
         $ptn_temp = array();
         preg_match_all($n1_search, $hor, $ptn_temp);
         foreach ($ptn_temp[0] as $str_temp) {
             $demerit_n1 += strlen($str_temp) - 2;
         }
         $demerit_score = $demerit_n1 + $demerit_n2 + $demerit_n3 + $demerit_n4;
         if ($demerit_score <= $min_demerit_score || $i == 0) {
             $mask_number = $i;
             $min_demerit_score = $demerit_score;
         }
         ++$i;
     }
     $mask_content = 1 << $mask_number;
     # --- format information
     $format_information_value = $ec << 3 | $mask_number;
     $format_information_array = array('101010000010010', '101000100100101', '101111001111100', '101101101001011', '100010111111001', '100000011001110', '100111110010111', '100101010100000', '111011111000100', '111001011110011', '111110110101010', '111100010011101', '110011000101111', '110001100011000', '110110001000001', '110100101110110', '001011010001001', '001001110111110', '001110011100111', '001100111010000', '000011101100010', '000001001010101', '000110100001100', '000100000111011', '011010101011111', '011000001101000', '011111100110001', '011101000000110', '010010010110100', '010000110000011', '010111011011010', '010101111101101');
     $i = 0;
     while ($i < 15) {
         $content = substr($format_information_array[$format_information_value], $i, 1);
         $matrix_content[$format_information_x1[$i]][$format_information_y1[$i]] = $content * 255;
         $matrix_content[$format_information_x2[$i + 1]][$format_information_y2[$i + 1]] = $content * 255;
         ++$i;
     }
     $mib = $max_modules_1side + 8;
     if ($this->size == 0) {
         $this->size = $mib * $qrcode_module_size;
         if ($this->size > 1480) {
             throw new ImageSizeTooLargeException('QRCode : Image size too large');
         }
     }
     $image_width = $this->size + $this->padding * 2;
     $image_height = $this->size + $this->padding * 2;
     if (!empty($this->label)) {
         $font_box = imagettfbbox($this->label_font_size, 0, $this->label_font_path, $this->label);
         $label_width = (int) $font_box[2] - (int) $font_box[0];
         $label_height = (int) $font_box[0] - (int) $font_box[7];
         $image_height += $label_height + $this->padding;
     }
     $output_image = imagecreate($image_width, $image_height);
     imagecolorallocate($output_image, 255, 255, 255);
     if (!empty($this->label)) {
         $font_x = floor($image_width - $label_width) / 2;
         $font_y = $image_height - $this->padding;
         $color = imagecolorallocate($output_image, 0, 0, 0);
         imagettftext($output_image, $this->label_font_size, 0, $font_x, $font_y, $color, $this->label_font_path, $this->label);
     }
     $image_path = $image_path . '/qrv' . $qrcode_version . '.png';
     $base_image = imagecreatefrompng($image_path);
     $col[1] = imagecolorallocate($base_image, 0, 0, 0);
     $col[0] = imagecolorallocate($base_image, 255, 255, 255);
     $i = 4;
     $mxe = 4 + $max_modules_1side;
     $ii = 0;
     while ($i < $mxe) {
         $j = 4;
         $jj = 0;
         while ($j < $mxe) {
             if ($matrix_content[$ii][$jj] & $mask_content) {
                 imagesetpixel($base_image, $i, $j, $col[1]);
             }
             ++$j;
             ++$jj;
         }
         ++$i;
         ++$ii;
     }
     imagecopyresampled($output_image, $base_image, $this->padding, $this->padding, 4, 4, $this->size, $this->size, $mib - 8, $mib - 8);
     $imagecolorset_function = new ReflectionFunction('imagecolorset');
     $allow_alpha = $imagecolorset_function->getNumberOfParameters() == 6;
     if ($this->color_background != null) {
         $index = imagecolorclosest($output_image, 255, 255, 255);
         if ($allow_alpha) {
             imagecolorset($output_image, $index, $this->color_background['r'], $this->color_background['g'], $this->color_background['b'], $this->color_background['a']);
         } else {
             imagecolorset($output_image, $index, $this->color_background['r'], $this->color_background['g'], $this->color_background['b']);
         }
     }
     if ($this->color_foreground != null) {
         $index = imagecolorclosest($output_image, 0, 0, 0);
         if ($allow_alpha) {
             imagecolorset($output_image, $index, $this->color_foreground['r'], $this->color_foreground['g'], $this->color_foreground['b'], $this->color_foreground['a']);
         } else {
             imagecolorset($output_image, $index, $this->color_foreground['r'], $this->color_foreground['g'], $this->color_foreground['b']);
         }
     }
     $this->image = $output_image;
 }
Example #29
0
 function _AdjBrightContrast($img, $bright, $contr = 0)
 {
     if ($bright < -1 || $bright > 1 || $contr < -1 || $contr > 1) {
         JpGraphError::Raise(" Parameters for brightness and Contrast out of range [-1,1]");
     }
     $nbr = imagecolorstotal($img);
     for ($i = 0; $i < $nbr; ++$i) {
         $colarr = imagecolorsforindex($img, $i);
         $r = $this->AdjRGBBrightContrast($colarr["red"], $bright, $contr);
         $g = $this->AdjRGBBrightContrast($colarr["green"], $bright, $contr);
         $b = $this->AdjRGBBrightContrast($colarr["blue"], $bright, $contr);
         imagecolorset($img, $i, $r, $g, $b);
     }
 }
 function generate($width, $height = 0)
 {
     /* First check paths */
     $this->path = rtrim($this->path, '/') . '/';
     $this->cache = rtrim($this->cache, '/') . '/';
     $this->file = str_replace('/', '', $this->file);
     if (!is_dir($this->path) || $this->path === '/') {
         return $this->raiseError('path = "' . $this->path . '" is not a directory or is "/"');
     }
     if (!is_dir($this->cache) || $this->cache === '/') {
         return $this->raiseError('cache = "' . $this->cache . '" is not a directory or is "/"');
     }
     if (strpos($this->file, '%d') === false) {
         return $this->raiseError('file = "' . $this->file . '" doesn\'t include a \'%d\' for image number');
     }
     $files = array('filenames' => array(), 'absolutes' => array());
     /* Generated files list */
     $this->startStep = (int) floor(($this->step - 1) / 2);
     $nbOfImages = 1;
     /* Will be modified after the first image is created */
     $this->maxClicks = 1;
     /* Must not be zero for divisions */
     $this->maxY = 0;
     /**
      * Memory consumption:
      * imagecreate	: about 200,000 + 5 * $width * $height bytes
      * dots			: about 6,000 + 360 * DOT_WIDTH bytes each (100 dots)
      * imagepng		: about 4 * $width * $height bytes
      * So a rough idea of the memory is 10 * $width * $height + 500,000 (2 images) + 100 * (DOT_WIDTH * 360 + 6000)
      * */
     $this->width = (int) abs($width);
     if ($this->width === 0) {
         return $this->raiseError('Width can\'t be 0');
     }
     $height = (int) abs($height);
     if ($height === 0) {
         /* Calculating height from memory consumption, and add a 100% security margin: 10 => 20 */
         $this->height = floor(($this->memory - 500000 - 100 * ($this->dot * 360 + 6000)) / (20 * $width));
         /* Limit height to 1000px max, with a modulo of 10 */
         $this->height = (int) max(100, min(1000, $this->height - $this->height % 10));
     } else {
         /* Force height */
         $this->height = $height;
     }
     /* Startup tasks */
     if ($this->startDrawing() === false) {
         return false;
     }
     $files['width'] = $this->width;
     $files['height'] = $this->height;
     for ($image = 0; $image < $nbOfImages; $image++) {
         /* Image creation */
         $this->image = imagecreatetruecolor($this->width, $this->height);
         if ($this->heatmap === false) {
             $grey = imagecolorallocate($this->image, $this->__grey, $this->__grey, $this->__grey);
             imagefill($this->image, 0, 0, $grey);
         } else {
             /* Image is filled in the color "0", which means 0 click */
             imagefill($this->image, 0, 0, 0);
         }
         /* Draw next pixels for this image */
         if ($this->drawPixels($image) === false) {
             return false;
         }
         if ($image === 0) {
             if ($this->maxY === 0) {
                 if (defined('LANG_ERROR_DATA') === true) {
                     return $this->raiseError(LANG_ERROR_DATA);
                 } else {
                     $this->maxY = 1;
                 }
             }
             $nbOfImages = (int) ceil($this->maxY / $this->height);
             $files['count'] = $nbOfImages;
         }
         if ($this->heatmap === true) {
             imagepng($this->image, sprintf($this->cache . $this->file . '_temp', $image));
         } else {
             /* "No clicks under this line" message */
             if ($image === $nbOfImages - 1 && defined('LANG_NO_CLICK_BELOW') === true) {
                 $black = imagecolorallocate($this->image, 0, 0, 0);
                 imageline($this->image, 0, $this->height - 1, $this->width, $this->height - 1, $black);
                 imagestring($this->image, 1, 1, $this->height - 9, LANG_NO_CLICK_BELOW, $black);
             }
             imagepng($this->image, sprintf($this->path . $this->file, $image));
         }
         imagedestroy($this->image);
         /* Result files */
         $files['filenames'][] = sprintf($this->file, $image);
         $files['absolutes'][] = sprintf($this->path . $this->file, $image);
     }
     /* End tasks */
     if ($this->finishDrawing() === false) {
         return false;
     }
     if ($this->heatmap === false) {
         return $files;
     }
     /* Now, our image is a direct representation of the clicks on each pixel, so create some fuzzy dots to put a nice blur effect if user asked for a heatmap */
     for ($i = 0; $i < 128; $i++) {
         $dots[$i] = imagecreatetruecolor($this->dot, $this->dot);
         imagealphablending($dots[$i], false);
     }
     for ($x = 0; $x < $this->dot; $x++) {
         for ($y = 0; $y < $this->dot; $y++) {
             $sinX = sin($x * pi() / $this->dot);
             $sinY = sin($y * pi() / $this->dot);
             for ($i = 0; $i < 128; $i++) {
                 $alpha = 127 - $i * $sinX * $sinY * $sinX * $sinY;
                 imagesetpixel($dots[$i], $x, $y, (int) $alpha * 16777216);
             }
         }
     }
     /**
      * Colors creation:
      * grey	=> deep blue (rgB)	=> light blue (rGB)	=> green (rGb)		=> yellow (RGb)		=> red (Rgb)
      * 0	   $this->__colors[0]	   $this->__colors[1]	   $this->__colors[2]	   $this->__colors[3]	   128
      */
     sort($this->__colors);
     $colors = array();
     for ($i = 0; $i < 128; $i++) {
         /* Red */
         if ($i < $this->__colors[0]) {
             $colors[$i][0] = $this->__grey + ($this->__low - $this->__grey) * $i / $this->__colors[0];
         } elseif ($i < $this->__colors[2]) {
             $colors[$i][0] = $this->__low;
         } elseif ($i < $this->__colors[3]) {
             $colors[$i][0] = $this->__low + ($this->__high - $this->__low) * ($i - $this->__colors[2]) / ($this->__colors[3] - $this->__colors[2]);
         } else {
             $colors[$i][0] = $this->__high;
         }
         /* Green */
         if ($i < $this->__colors[0]) {
             $colors[$i][1] = $this->__grey + ($this->__low - $this->__grey) * $i / $this->__colors[0];
         } elseif ($i < $this->__colors[1]) {
             $colors[$i][1] = $this->__low + ($this->__high - $this->__low) * ($i - $this->__colors[0]) / ($this->__colors[1] - $this->__colors[0]);
         } elseif ($i < $this->__colors[3]) {
             $colors[$i][1] = $this->__high;
         } else {
             $colors[$i][1] = $this->__high - ($this->__high - $this->__low) * ($i - $this->__colors[3]) / (127 - $this->__colors[3]);
         }
         /* Blue */
         if ($i < $this->__colors[0]) {
             $colors[$i][2] = $this->__grey + ($this->__high - $this->__grey) * $i / $this->__colors[0];
         } elseif ($i < $this->__colors[1]) {
             $colors[$i][2] = $this->__high;
         } elseif ($i < $this->__colors[2]) {
             $colors[$i][2] = $this->__high - ($this->__high - $this->__low) * ($i - $this->__colors[1]) / ($this->__colors[2] - $this->__colors[1]);
         } else {
             $colors[$i][2] = $this->__low;
         }
     }
     for ($image = 0; $image < $nbOfImages; $image++) {
         $img = imagecreatetruecolor($this->width, $this->height);
         $white = imagecolorallocate($img, 255, 255, 255);
         /* «imagefill» doesn't work correctly on some hosts, ending on a red drawing */
         imagefilledrectangle($img, 0, 0, $this->width - 1, $this->height - 1, $white);
         imagealphablending($img, true);
         $imgSrc = @imagecreatefrompng(sprintf($this->cache . $this->file . '_temp', $image));
         @unlink(sprintf($this->cache . $this->file . '_temp', $image));
         if ($imgSrc === false) {
             return $this->raiseError('::MEMORY_OVERFLOW::');
         }
         for ($x = $this->startStep; $x < $this->width; $x += $this->step) {
             for ($y = $this->startStep; $y < $this->height; $y += $this->step) {
                 $dot = (int) ceil(imagecolorat($imgSrc, $x, $y) / $this->maxClicks * 100);
                 if ($dot !== 0) {
                     imagecopy($img, $dots[$dot], ceil($x - $this->dot / 2), ceil($y - $this->dot / 2), 0, 0, $this->dot, $this->dot);
                 }
             }
         }
         /* Destroy image source */
         imagedestroy($imgSrc);
         /* Rainbow */
         if ($image === 0 && $this->rainbow === true) {
             for ($i = 1; $i < 128; $i += 2) {
                 /* Erase previous alpha channel so that clicks don't change the heatmap by combining their alpha */
                 imageline($img, ceil($i / 2), 0, ceil($i / 2), 10, 16777215);
                 /* Then put our alpha */
                 imageline($img, ceil($i / 2), 0, ceil($i / 2), 10, (127 - $i) * 16777216);
             }
         }
         if ($this->alpha === 0) {
             /* Some version of imagetruecolortopalette() don't transform alpha value to non alpha */
             if ($this->palette === true) {
                 for ($x = 0; $x < $this->width; $x++) {
                     for ($y = 0; $y < $this->height; $y++) {
                         /* Get Alpha value (0->127) and transform it to red (divide color by 16777216 and multiply by 65536 * 2 (red is 0->255), so divide it by 128) */
                         imagesetpixel($img, $x, $y, (imagecolorat($img, $x, $y) & 0x7f000000) / 128);
                     }
                 }
             }
             /* Change true color image to palette then change palette colors */
             imagetruecolortopalette($img, false, 127);
             for ($i = 0, $max = imagecolorstotal($img); $i < $max; $i++) {
                 $color = imagecolorsforindex($img, $i);
                 imagecolorset($img, $i, $colors[floor(127 - $color['red'] / 2)][0], $colors[floor(127 - $color['red'] / 2)][1], $colors[floor(127 - $color['red'] / 2)][2]);
             }
         } else {
             /* Need some transparency, really? So we have to deal with each and every pixel */
             imagealphablending($img, false);
             imagesavealpha($img, true);
             for ($x = 0; $x < $this->width; $x++) {
                 for ($y = 0; $y < $this->height; $y++) {
                     /* Get blue value (0->255), divide it by 2, and apply transparency + colors */
                     $blue = floor((imagecolorat($img, $x, $y) & 0xff) / 2);
                     imagesetpixel($img, $x, $y, floor($this->alpha * $blue / 127) * 16777216 + $colors[127 - $blue][0] * 65536 + $colors[127 - $blue][1] * 256 + $colors[127 - $blue][2]);
                 }
             }
         }
         $grey = imagecolorallocate($img, $this->__grey, $this->__grey, $this->__grey);
         $gray = imagecolorallocate($img, ceil($this->__grey / 2), ceil($this->__grey / 2), ceil($this->__grey / 2));
         $white = imagecolorallocate($img, 255, 255, 255);
         $black = imagecolorallocate($img, 0, 0, 0);
         /* maxClicks */
         if ($image === 0 && $this->rainbow === true) {
             imagerectangle($img, 0, 0, 65, 11, $white);
             imagefilledrectangle($img, 0, 11, 65, 18, $white);
             imagestring($img, 1, 0, 11, '0', $black);
             $right = 66 - strlen($this->maxClicks) * 5;
             imagestring($img, 1, $right, 11, $this->maxClicks, $black);
             imagestring($img, 1, floor($right / 2) - 12, 11, 'clicks', $black);
         }
         if ($image === $nbOfImages - 1) {
             /* "No clicks under this line" message */
             if (defined('LANG_NO_CLICK_BELOW') === true) {
                 imageline($img, 0, $this->height - 1, $this->width, $this->height - 1, $gray);
                 imagestring($img, 1, 1, $this->height - 9, LANG_NO_CLICK_BELOW, $gray);
             }
             /* Copyleft */
             if ($this->copyleft === true) {
                 imagestring($img, 1, $this->width - 160, $this->height - 9, 'Open source heatmap by ClickHeat', $grey);
                 imagestring($img, 1, $this->width - 161, $this->height - 9, 'Open source heatmap by ClickHeat', $gray);
             }
         }
         /* Save PNG file */
         imagepng($img, sprintf($this->path . $this->file, $image));
         imagedestroy($img);
     }
     for ($i = 0; $i < 100; $i++) {
         imagedestroy($dots[$i]);
     }
     return $files;
 }