PHP exponent_image_sizeinfo Examples

Example #1

File: thumb.php Project: BackupTheBerlios/exponentva-svn

    // Initialize the Database Subsystem
    include_once BASE . 'subsystems/database.php';
    $db = exponent_database_connect(DB_USER, DB_PASS, DB_HOST . ':' . DB_PORT, DB_NAME);
    $file_obj = $db->selectObject('file', 'id=' . intval($_GET['id']));
    $_GET['file'] = $file_obj->directory . '/' . $file_obj->filename;
}
$file = BASE . $_GET['file'];
$thumb = null;
if (isset($_GET['constraint'])) {
    $thumb = exponent_image_scaleToConstraint($file, $_GET['width'], $_GET['height']);
} else {
    if (isset($_GET['width'])) {
        $thumb = exponent_image_scaleToWidth($file, intval($_GET['width']));
    } else {
        if (isset($_GET['height'])) {
            $thumb = exponent_image_scaleToHeight($file, intval($_GET['height']));
        } else {
            if (isset($_GET['scale'])) {
                $thumb = exponent_image_scaleByPercent($file, intval($_GET['scale']) / 100);
            }
        }
    }
}
$mythumb = getimagesize($file);
if ($mythumb[0] > 0 && $mythumb[1] > 0) {
    if (is_resource($thumb)) {
        exponent_image_output($thumb, exponent_image_sizeinfo($file));
    } else {
        exponent_image_showFallbackPreviewImage(BASE, $thumb);
    }
}

Example #2

File: image.php Project: BackupTheBerlios/exponentva-svn

function exponent_image_flip($filename, $is_horizontal)
{
    $sizeinfo = exponent_image_sizeinfo($filename);
    if (!is_array($sizeinfo)) {
        return $sizeinfo;
    }
    $original = exponent_image_createFromFile($filename, $sizeinfo);
    if (!is_resource($original)) {
        return $original;
    }
    // Horizontal - invert y coords
    // Vertical - invert x coords
    $w = $sizeinfo[0];
    $h = $sizeinfo[1];
    $new = exponent_image_create($w, $h);
    if ($is_horizontal) {
        // Copy column by column
        //$dest,$src,$dst_x, $dst_y, $src_x, $src_y, $dst_w, $dst_h, $src_w, $src_h) {
        for ($i = 0; $i < $w; $i++) {
            imagecopy($new, $original, $i, 0, $w - $i - 1, 0, 1, $h);
            //src_W, src_H
        }
    } else {
        // Copy row by row.
        //$dest,$src,$dst_x, $dst_y, $src_x, $src_y, $dst_w, $dst_h, $src_w, $src_h) {
        for ($i = 0; $i < $h; $i++) {
            imagecopy($new, $original, 0, $i, 0, $h - $i - 1, $w, 1);
            //src_W, src_H
        }
    }
    return $new;
}