PHP getDefaultImagePath Examples

Example #1

File: get_comment_upload.php Project: narvee/nripl.org

<?php

require_once 'library/utility.php';
require_once 'library/database.php';
global $database;
$id = array_get($_GET, 'id');
$width = array_get($_GET, 'width', '');
$height = array_get($_GET, 'height', '');
$format = $width . "x" . $height;
// Validate the parameters
$formats = array("480x");
if (!is_scalar($id) || !is_scalar($width) || !is_scalar($height)) {
    die;
}
if (!in_array($format, $formats)) {
    die;
}
$commentFile = $database->getCommentFileByID($id);
if (!$commentFile) {
    die;
}
$picture = getCommentUploadImagePath($commentFile['uploadfile']);
$cached_picture = getCommentUploadImagePath($commentFile['uploadfile'], $width, $height);
if (file_exists($cached_picture)) {
    $image = $cached_picture;
} elseif (!file_exists($picture)) {
    $image = getDefaultImagePath();
} else {
    $image = getImage($picture, $cached_picture, $width, $height);
}
serveImage($image);

Example #2

File: utility.php Project: narvee/nripl.org

function getImage($picture, $path, $width = null, $height = null)
{
    $image_type = exif_imagetype($picture);
    switch ($image_type) {
        case IMAGETYPE_GIF:
            $img = imagecreatefromgif($picture);
            break;
        case IMAGETYPE_JPEG:
            $img = imagecreatefromjpeg($picture);
            break;
        case IMAGETYPE_PNG:
            $img = imagecreatefrompng($picture);
            break;
        default:
            return getDefaultImagePath();
    }
    $w_org = imagesx($img);
    $h_org = imagesy($img);
    $w = $width ?: $w_org;
    $h = $height ?: $h_org;
    if ($w_org == $w && $h_org <= $h || $h_org == $h && $w_org <= $w) {
        // no resampling needed
        $img2 = $img;
        $h = $h_org;
        $w = $w_org;
    } else {
        if ($w >= $w_org && $h >= $h_org) {
            // no resampling needed
            $img2 = $img;
            $h = $h_org;
            $w = $w_org;
        } else {
            // resampling
            $ratio = $w_org / $h_org;
            if ($w / $h > $ratio) {
                $w = $h * $ratio;
            } else {
                $h = $w / $ratio;
            }
            $img2 = imagecreatetruecolor($w, $h);
            imagecopyresampled($img2, $img, 0, 0, 0, 0, $w, $h, $w_org, $h_org);
            imagedestroy($img);
        }
    }
    if (WATERMARK_SNAPS != '') {
        // Watermark the picture with text
        $color = str_replace("#", "", TEXT_COLOR);
        $red = hexdec(substr($color, 0, 2));
        $green = hexdec(substr($color, 2, 2));
        $blue = hexdec(substr($color, 4, 2));
        $text_color = imagecolorallocate($img2, $red, $green, $blue);
        $text_height = imagefontheight(WATERMARK_TEXT_FONT);
        $text_width = strlen(WATERMARK_TEXT) * imagefontwidth(WATERMARK_TEXT_FONT);
        $wt_y = WATERMARK_MARGIN;
        if (WATERMARK_ALIGN_V == 'top') {
            $wt_y = WATERMARK_MARGIN;
        } elseif (WATERMARK_ALIGN_V == 'bottom') {
            $wt_y = $h - $text_height - WATERMARK_MARGIN;
        } elseif (WATERMARK_ALIGN_V == 'center') {
            $wt_y = (int) ($h / 2 - $text_height / 2);
        }
        $wt_x = WATERMARK_MARGIN;
        if (WATERMARK_ALIGN_H == 'left') {
            $wt_x = WATERMARK_MARGIN;
        } elseif (WATERMARK_ALIGN_H == 'right') {
            $wt_x = $w - $text_width - WATERMARK_MARGIN;
        } elseif (WATERMARK_ALIGN_H == 'center') {
            $wt_x = (int) ($w / 2 - $text_width / 2);
        }
        if (TEXT_SHADOW == '1') {
            imagestring($img2, WATERMARK_TEXT_FONT, $wt_x + 1, $wt_y + 1, WATERMARK_TEXT, 0);
        }
        imagestring($img2, WATERMARK_TEXT_FONT, $wt_x, $wt_y, WATERMARK_TEXT, $text_color);
    }
    if (!is_dir(dirname($path))) {
        mkdir(dirname($path), 0755, true);
    }
    switch ($image_type) {
        case IMAGETYPE_GIF:
            imagegif($img2, $path);
            break;
        case IMAGETYPE_JPEG:
            imagejpeg($img2, $path);
            break;
        case IMAGETYPE_PNG:
            imagepng($img2, $path);
            break;
    }
    imagedestroy($img2);
    return $path;
}