function layers_too_light_then_dark($color, $factor = 30)
{
if ('#ffffff' == layers_hex_lighter($color, 96)) {
$color = layers_hex_darker($color, $factor / 3);
} else {
$color = layers_hex_lighter($color, $factor);
}
return $color;
}
function layers_inline_button_styles($container_id = NULL, $type = 'background', $args = array())
{
// Auto text color based on background color
if (isset($args['button']['background-color']) && NULL !== layers_is_light_or_dark($args['button']['background-color'])) {
// temporarily darken the background color, so we only switch text color if very light
$background_darker = layers_hex_darker($args['button']['background-color'], 28);
if ('light' == layers_is_light_or_dark($background_darker)) {
$args['button']['color'] = 'rgba(0,0,0,.85)';
} else {
if ('dark' == layers_is_light_or_dark($background_darker)) {
$args['button']['color'] = '#FFFFFF';
}
}
}
// Add styling for the standard colors
layers_inline_styles($container_id, $type, $args);
// Add styling for the hover colors
if (isset($args['selectors'])) {
if (!is_array($args['selectors'])) {
// Make sure selectors is array if comma seperated string is passed
$args['selectors'] = explode(',', $args['selectors']);
$args['selectors'] = array_map('trim', $args['selectors']);
}
$hover_args = $args;
foreach ($args['selectors'] as $selector) {
$new_selectors[] = $selector . ':hover';
}
$hover_args['selectors'] = $new_selectors;
}
// Generate a lighter text background color
if (isset($args['button']['background-color'])) {
$hover_args['button']['background-color'] = layers_hex_lighter($args['button']['background-color']);
}
// Apply hover colors
if (isset($hover_args)) {
layers_inline_styles($container_id, $type, $hover_args);
}
}
