- Patch #18700 by Stefan and James: removed GD1 calls, improved error/status reporting, etc.
Dries Buytaert
parent
eb2fb414fa
commit
f514f55112
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@ -4,7 +4,7 @@
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/**
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* Return a list of available toolkits.
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*
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* @return An array of toolkit name => descriptive title
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* @return An array of toolkit name => descriptive title.
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*/
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function image_get_available_toolkits() {
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$toolkits = file_scan_directory('includes', 'image\..*\.inc$');
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@ -18,7 +18,7 @@ function image_get_available_toolkits() {
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$output[$info['name']] = $info['title'];
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}
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}
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$output['gd'] = t('Built-in GD Toolkit');
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$output['gd'] = t('Built-in GD2 toolkit');
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return $output;
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}
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@ -30,11 +30,12 @@ function image_get_available_toolkits() {
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function image_get_toolkit() {
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static $toolkit;
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if (!$toolkit) {
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$toolkit = variable_get('image_toolkit', 'gd');
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if ($toolkit != 'gd') {
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include_once 'includes/image.'. $toolkit .'.inc';
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$toolkit = variable_get('image_toolkit', 'gd2');
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$toolkit_file = 'includes/image.'.$toolkit.'.inc';
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if ($toolkit != 'gd' && file_exists($toolkit_file)) {
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include_once $toolkit_file;
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}
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elseif (!image_gd_settings()) {
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elseif (!image_gd_check_settings()) {
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$toolkit = false;
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}
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}
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@ -46,9 +47,9 @@ function image_get_toolkit() {
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* Invokes the given method using the currently selected toolkit.
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*
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* @param $method A string containing the method to invoke.
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* @param $params An optional array of parameters to pass to the toolkit method
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* @param $params An optional array of parameters to pass to the toolkit method.
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*
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* @return Mixed values (typically Boolean for successful operation)
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* @return Mixed values (typically Boolean for successful operation).
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*/
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function image_toolkit_invoke($method, $params = array()) {
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if ($toolkit = image_get_toolkit()) {
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@ -57,7 +58,13 @@ function image_toolkit_invoke($method, $params = array()) {
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return call_user_func_array($function, $params);
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}
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else {
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drupal_set_message(t('%method is not supported by %toolkit.', array('%method' => "<em>$method</em>", '%toolkit' => "<em>$toolkit</em>")));
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watchdog('php', t("The selected image handling toolkit '%toolkit' can not correctly process '%function'.", array('%toolkit' => "<em>$toolkit</em>", '%function' => "<em>$function</em>")), WATCHDOG_ERROR);
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return false;
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}
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}
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else {
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if ($method == 'settings') {
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return image_gd_settings();
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}
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}
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}
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@ -161,18 +168,36 @@ function image_crop($source, $destination, $x, $y, $width, $height) {
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}
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/**
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* GD Toolkit functions
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* GD2 toolkit functions
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* With the minimal requirements of PHP 4.3 for Drupal, we use the build-in version of GD.
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*/
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/**
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* Verify GD settings (that the extension is actually installed).
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* Retrieve settings for the GD toolkit (not used).
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*/
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function image_gd_settings() {
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if (!extension_loaded('gd')) {
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drupal_set_message(t('Unable to load the GD toolkit'), 'error');
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if (image_gd_check_settings()) {
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return t('The built-in GD toolkit is installed and working properly.');
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}
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else {
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form_set_error('image_toolkit', t("The built-in GD2 toolkit requires that the GD module for PHP be installed and configured properly. For more information see %url.", array('%url' => '<a href="http://php.net/image">http://php.net/image</a>')));
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return false;
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}
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return true;
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}
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/**
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* Verify GD2 settings (that the right version is actually installed).
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*
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* @return boolean
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*/
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function image_gd_check_settings() {
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if ($check = get_extension_funcs('gd')) {
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if (in_array('imagegd2', $check)) {
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// GD2 support is available.
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return true;
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}
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}
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return false;
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}
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/**
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@ -193,21 +218,8 @@ function image_gd_resize($source, $destination, $width, $height) {
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return false;
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}
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// GD1 doesn't have true color
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if (function_exists('imageCreateTrueColor')) {
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$res = imageCreateTrueColor($width, $height);
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}
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else {
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$res = imageCreate($width, $height);
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}
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// GD1 doesn't have copyResampled
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if (function_exists('imageCopyResampled')) {
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imageCopyResampled($res, $im, 0, 0, 0, 0, $width, $height, $info['width'], $info['height']);
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}
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else {
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imageCopyResized($res, $im, 0, 0, 0, 0, $width, $height, $info['width'], $info['height']);
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}
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$res = imageCreateTrueColor($width, $height);
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imageCopyResampled($res, $im, 0, 0, 0, 0, $width, $height, $info['width'], $info['height']);
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$result = image_gd_close($res, $destination, $info['extension']);
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imageDestroy($res);
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@ -235,7 +247,6 @@ function image_gd_rotate($source, $destination, $degrees, $bg_color = 0) {
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}
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$res = imageRotate($im, $degrees, $bg_color);
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$result = image_gd_close($res, $destination, $info['extension']);
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return $result;
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@ -251,17 +262,8 @@ function image_gd_crop($source, $destination, $x, $y, $width, $height) {
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}
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$im = image_gd_open($source, $info['extension']);
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// GD1 doesn't have true color
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if (function_exists('imageCreateTrueColor')) {
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$res = imageCreateTrueColor($width, $height);
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}
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else {
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$res = imageCreate($width, $height);
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}
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$res = imageCreateTrueColor($width, $height);
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imageCopy($im, $res, 0, 0, $x, $y, $width, $height);
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$result = image_gd_close($res, $destination, $info['extension']);
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imageDestroy($res);
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@ -241,15 +241,13 @@ function system_view_general() {
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$group = '';
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$toolkits_available = image_get_available_toolkits();
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if (count($toolkits_available) > 1) {
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$group .= form_radios(t('Select an image processing toolkit'), 'image_toolkit', variable_get('image_toolkit', image_get_toolkit()), $toolkits_available);
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$group .= image_toolkit_invoke('settings');
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$group .= form_radios(t('Select an image processing toolkit'), 'image_toolkit', variable_get('image_toolkit', image_get_toolkit()), $toolkits_available);
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}
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else {
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$group .= t('<p>No image toolkits are installed.</p>');
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$group .= image_toolkit_invoke('settings');
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if ($group) {
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$output .= form_group(t('Image handling'), $group);
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}
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$output .= form_group(t('Image handling'), $group);
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// date settings:
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$zones = _system_zonelist();
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@ -241,15 +241,13 @@ function system_view_general() {
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$group = '';
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$toolkits_available = image_get_available_toolkits();
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if (count($toolkits_available) > 1) {
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$group .= form_radios(t('Select an image processing toolkit'), 'image_toolkit', variable_get('image_toolkit', image_get_toolkit()), $toolkits_available);
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$group .= image_toolkit_invoke('settings');
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$group .= form_radios(t('Select an image processing toolkit'), 'image_toolkit', variable_get('image_toolkit', image_get_toolkit()), $toolkits_available);
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}
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else {
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$group .= t('<p>No image toolkits are installed.</p>');
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$group .= image_toolkit_invoke('settings');
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if ($group) {
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$output .= form_group(t('Image handling'), $group);
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}
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$output .= form_group(t('Image handling'), $group);
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// date settings:
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$zones = _system_zonelist();
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