PHP Font_Metrics::set_font_family方法代码示例

/**
 * Installs a new font family
 *
 * This function maps a font-family name to a font.  It tries to locate the
 * bold, italic, and bold italic versions of the font as well.  Once the
 * files are located, ttf versions of the font are copied to the fonts
 * directory.  Changes to the font lookup table are saved to the cache.
 *
 * @param string $fontname the font-family name
 * @param string $normal the filename of the normal face font subtype
 * @param string $bold   the filename of the bold face font subtype
 * @param string $italic the filename of the italic face font subtype
 * @param string $bold_italic the filename of the bold italic face font subtype
 */
function install_font_family($fontname, $normal, $bold = null, $italic = null, $bold_italic = null)
{
    Font_Metrics::init();
    // Check if the base filename is readable
    if (!is_readable($normal)) {
        throw new DOMPDF_Exception("Unable to read '{$normal}'.");
    }
    $dir = dirname($normal);
    $basename = basename($normal);
    $last_dot = strrpos($basename, '.');
    if ($last_dot !== false) {
        $file = substr($basename, 0, $last_dot);
        $ext = strtolower(substr($basename, $last_dot));
    } else {
        $file = $basename;
        $ext = '';
    }
    if (!in_array($ext, array(".ttf", ".otf"))) {
        throw new DOMPDF_Exception("Unable to process fonts of type '{$ext}'.");
    }
    // Try $file_Bold.$ext etc.
    $path = "{$dir}/{$file}";
    $patterns = array("bold" => array("_Bold", "b", "B", "bd", "BD"), "italic" => array("_Italic", "i", "I"), "bold_italic" => array("_Bold_Italic", "bi", "BI", "ib", "IB"));
    foreach ($patterns as $type => $_patterns) {
        if (!isset(${$type}) || !is_readable(${$type})) {
            foreach ($_patterns as $_pattern) {
                if (is_readable("{$path}{$_pattern}{$ext}")) {
                    ${$type} = "{$path}{$_pattern}{$ext}";
                    break;
                }
            }
            if (is_null(${$type})) {
                echo "Unable to find {$type} face file.\n";
            }
        }
    }
    $fonts = compact("normal", "bold", "italic", "bold_italic");
    $entry = array();
    // Copy the files to the font directory.
    foreach ($fonts as $var => $src) {
        if (is_null($src)) {
            $entry[$var] = DOMPDF_FONT_DIR . mb_substr(basename($normal), 0, -4);
            continue;
        }
        // Verify that the fonts exist and are readable
        if (!is_readable($src)) {
            throw new DOMPDF_Exception("Requested font '{$src}' is not readable");
        }
        $dest = DOMPDF_FONT_DIR . basename($src);
        if (!is_writeable(dirname($dest))) {
            throw new DOMPDF_Exception("Unable to write to destination '{$dest}'.");
        }
        echo "Copying {$src} to {$dest}...\n";
        if (!copy($src, $dest)) {
            throw new DOMPDF_Exception("Unable to copy '{$src}' to '{$dest}'");
        }
        $entry_name = mb_substr($dest, 0, -4);
        echo "Generating Adobe Font Metrics for {$entry_name}...\n";
        $font_obj = Font::load($dest);
        $font_obj->saveAdobeFontMetrics("{$entry_name}.ufm");
        $entry[$var] = $entry_name;
    }
    // Store the fonts in the lookup table
    Font_Metrics::set_font_family($fontname, $entry);
    // Save the changes
    Font_Metrics::save_font_families();
}

 static function register_font($style, $remote_file)
 {
     $fontname = mb_strtolower($style["family"]);
     $families = Font_Metrics::get_font_families();
     $entry = array();
     if (isset($families[$fontname])) {
         $entry = $families[$fontname];
     }
     $local_file = DOMPDF_FONT_DIR . md5($remote_file);
     $cache_entry = $local_file;
     $local_file .= ".ttf";
     $style_string = Font_Metrics::get_type("{$style['weight']} {$style['style']}");
     if (!isset($entry[$style_string])) {
         $entry[$style_string] = $cache_entry;
         Font_Metrics::set_font_family($fontname, $entry);
         // Download the remote file
         if (!is_file($local_file)) {
             file_put_contents($local_file, file_get_contents($remote_file));
         }
         $font = Font::load($local_file);
         if (!$font) {
             return false;
         }
         $font->parse();
         $font->saveAdobeFontMetrics("{$cache_entry}.ufm");
         // Save the changes
         Font_Metrics::save_font_families();
     }
     return true;
 }

//.........这里部分代码省略.........
            if (!is_readable($bold)) {
                // Try $file . "B"
                $bold = $dir . "/" . $file . "B" . $ext;
                if (!is_readable($bold)) {
                    $bold = null;
                }
            }
        }
    }
    if (is_null($bold)) {
        echo "Unable to find bold face file.\n";
    }
    if (!isset($italic) || !is_readable($italic)) {
        $italic = $dir . "/" . $file . "_Italic" . $ext;
        if (!is_readable($italic)) {
            // Try $file . "i"
            $italic = $dir . "/" . $file . "i" . $ext;
            if (!is_readable($italic)) {
                // Try $file . "I"
                $italic = $dir . "/" . $file . "I" . $ext;
                if (!is_readable($italic)) {
                    $italic = null;
                }
            }
        }
    }
    if (is_null($italic)) {
        echo "Unable to find italic face file.\n";
    }
    if (!isset($bold_italic) || !is_readable($bold_italic)) {
        $bold_italic = $dir . "/" . $file . "_Bold_Italic" . $ext;
        if (!is_readable($bold_italic)) {
            // Try $file . "bi"
            $bold_italic = $dir . "/" . $file . "bi" . $ext;
            if (!is_readable($bold_italic)) {
                // Try $file . "BI"
                $bold_italic = $dir . "/" . $file . "BI" . $ext;
                if (!is_readable($bold_italic)) {
                    // Try $file . "ib"
                    $bold_italic = $dir . "/" . $file . "ib" . $ext;
                    if (!is_readable($bold_italic)) {
                        // Try $file . "IB"
                        $bold_italic = $dir . "/" . $file . "IB" . $ext;
                        if (!is_readable($bold_italic)) {
                            $bold_italic = null;
                        }
                    }
                }
            }
        }
    }
    if (is_null($bold_italic)) {
        echo "Unable to find bold italic face file.\n";
    }
    $fonts = compact("normal", "bold", "italic", "bold_italic");
    $entry = array();
    if (strtolower($ext) === ".pfb" || strtolower($ext) === ".ttf" || strtolower($ext) === ".otf") {
        // Copy the files to the font directory.
        foreach ($fonts as $var => $src) {
            if (is_null($src)) {
                $entry[$var] = DOMPDF_FONT_DIR . basename($normal);
                continue;
            }
            // Verify that the fonts exist and are readable
            if (!is_readable($src)) {
                throw new User_DOMPDF_Exception("Requested font '{$pathname}' is not readable");
            }
            $dest = DOMPDF_FONT_DIR . basename($src);
            if (!is_writeable(dirname($dest))) {
                throw new User_DOMPDF_Exception("Unable to write to destination '{$dest}'.");
            }
            echo "Copying {$src} to {$dest}...\n";
            if (!copy($src, $dest)) {
                throw new DOMPDF_Exception("Unable to copy '{$src}' to '" . DOMPDF_FONT_DIR . "{$dest}'.");
            }
            $entry[$var] = $dest;
        }
    } else {
        throw new DOMPDF_Exception("Unable to process fonts of type '{$ext}'.");
    }
    // If the extension is a ttf, try and convert the fonts to afm too
    if (mb_strtolower($ext) === ".ttf" || strtolower($ext) == ".otf") {
        foreach ($fonts as $var => $font) {
            if (is_null($font)) {
                $entry[$var] = DOMPDF_FONT_DIR . mb_substr(basename($normal), 0, -4);
                continue;
            }
            $dest = DOMPDF_FONT_DIR . mb_substr(basename($font), 0, -4);
            echo "Generating .afm for {$font}...\n";
            echo "Command: " . _TTF2AFM . " " . escapeshellarg($font) . " " . escapeshellarg($dest) . "\n";
            exec(_TTF2AFM . " " . escapeshellarg($font) . " " . escapeshellarg($dest) . " &> /dev/null", $output, $ret);
            $entry[$var] = $dest;
        }
    }
    // FIXME: how to generate afms from pfb?
    // Store the fonts in the lookup table
    Font_Metrics::set_font_family(strtolower($fontname), $entry);
    // Save the changes
    Font_Metrics::save_font_families();
}

/**
 * Installs a new font family
 *
 * This function maps a font-family name to a font.  It tries to locate the
 * bold, italic, and bold italic versions of the font as well.  Once the
 * files are located, ttf versions of the font are copied to the fonts
 * directory.  Changes to the font lookup table are saved to the cache.
 *
 * @param string $fontname the font-family name
 * @param string $normal the filename of the normal face font subtype
 * @param string $bold   the filename of the bold face font subtype
 * @param string $italic the filename of the italic face font subtype
 * @param string $bold_italic the filename of the bold italic face font subtype
 */
function install_font_family($fontname, $normal, $bold = null, $italic = null, $bold_italic = null)
{
    // Check if the base filename is readable
    if (!is_readable($normal)) {
        throw new DOMPDF_Exception("Unable to read '{$normal}'.");
    }
    $dir = dirname($normal);
    $basename = basename($normal);
    $last_dot = strrpos($basename, '.');
    if ($last_dot !== false) {
        $file = substr($basename, 0, $last_dot);
        $ext = strtolower(substr($basename, $last_dot));
    } else {
        $file = $basename;
        $ext = '';
    }
    // Try $file_Bold.$ext etc.
    $path = "{$dir}/{$file}";
    $patterns = array("bold" => array("_Bold", "b", "B", "bd", "BD"), "italic" => array("_Italic", "i", "I"), "bold_italic" => array("_Bold_Italic", "bi", "BI", "ib", "IB"));
    foreach ($patterns as $type => $_patterns) {
        if (!isset(${$type}) || !is_readable(${$type})) {
            foreach ($_patterns as $_pattern) {
                if (is_readable("{$path}{$_pattern}{$ext}")) {
                    ${$type} = "{$path}{$_pattern}{$ext}";
                    break;
                }
            }
            if (is_null(${$type})) {
                echo "Unable to find {$type} face file.\n";
            }
        }
    }
    $fonts = compact("normal", "bold", "italic", "bold_italic");
    $entry = array();
    if ($ext === ".pfb" || $ext === ".ttf" || $ext === ".otf") {
        // Copy the files to the font directory.
        foreach ($fonts as $var => $src) {
            if (is_null($src)) {
                $entry[$var] = DOMPDF_FONT_DIR . basename($normal);
                continue;
            }
            // Verify that the fonts exist and are readable
            if (!is_readable($src)) {
                throw new DOMPDF_Exception("Requested font '{$pathname}' is not readable");
            }
            $dest = DOMPDF_FONT_DIR . basename($src);
            if (!is_writeable(dirname($dest))) {
                throw new DOMPDF_Exception("Unable to write to destination '{$dest}'.");
            }
            echo "Copying {$src} to {$dest}...\n";
            if (!copy($src, $dest)) {
                throw new DOMPDF_Exception("Unable to copy '{$src}' to '" . DOMPDF_FONT_DIR . "{$dest}'.");
            }
            $entry[$var] = $dest;
        }
    } else {
        throw new DOMPDF_Exception("Unable to process fonts of type '{$ext}'.");
    }
    // If the extension is a ttf, try and convert the fonts to afm too
    if ($ext === ".ttf" || $ext === ".otf") {
        foreach ($fonts as $var => $font) {
            if (is_null($font)) {
                $entry[$var] = DOMPDF_FONT_DIR . mb_substr(basename($normal), 0, -4);
                continue;
            }
            $dest = DOMPDF_FONT_DIR . mb_substr(basename($font), 0, -4);
            $stdout = strpos(PHP_OS, "WIN") === false ? " >/dev/null" : " 2>&1";
            $command = _TTF2AFM . " " . escapeshellarg($font) . " " . escapeshellarg($dest) . $stdout;
            echo "Generating .afm for {$font}...\n";
            //echo $command . "\n";
            exec($command, $output, $ret);
            $entry[$var] = $dest;
        }
    }
    // FIXME: how to generate afms from pfb?
    // Store the fonts in the lookup table
    Font_Metrics::set_font_family($fontname, $entry);
    // Save the changes
    Font_Metrics::save_font_families();
}