public function getIcon($id = 0)
{
$icon = new floIcon();
if ($id > 0) {
$icon->readICO($this->iconpath . DIRECTORY_SEPARATOR . $id . DIRECTORY_SEPARATOR . 'favicon.ico');
} else {
$icon->readICO($this->tempicon);
}
return $icon;
}
/**
* load image
*
* @return bool
* @param string $url source url
* @param string $extension file extension of output file
* @param int $width
* @param int $height
*/
public function loadImage($url, $extension = 'png', $width = false, $height = false)
{
// load image
try {
$data = \helpers\WebClient::request($url);
} catch (\exception $e) {
\F3::get('logger')->log("failed to retrieve image {$url}," . $e->getMessage(), \ERROR);
return false;
}
// get image type
$tmp = \F3::get('cache') . '/' . md5($url);
file_put_contents($tmp, $data);
$imgInfo = @getimagesize($tmp);
if (strtolower($imgInfo['mime']) == 'image/vnd.microsoft.icon') {
$type = 'ico';
} elseif (strtolower($imgInfo['mime']) == 'image/png') {
$type = 'png';
} elseif (strtolower($imgInfo['mime']) == 'image/jpeg') {
$type = 'jpg';
} elseif (strtolower($imgInfo['mime']) == 'image/gif') {
$type = 'gif';
} elseif (strtolower($imgInfo['mime']) == 'image/x-ms-bmp') {
$type = 'bmp';
} else {
@unlink($tmp);
return false;
}
// convert ico to png
if ($type == 'ico') {
$ico = new \floIcon();
@$ico->readICO($tmp);
if (count($ico->images) == 0) {
@unlink($tmp);
return false;
}
ob_start();
@imagepng($ico->images[count($ico->images) - 1]->getImageResource());
$data = ob_get_contents();
ob_end_clean();
}
// parse image for saving it later
@unlink($tmp);
try {
$wideImage = \WideImage::load($data);
} catch (\Exception $e) {
return false;
}
// resize
if ($width !== false && $height !== false) {
if ($height !== null && $wideImage->getHeight() > $height || $width !== null && $wideImage->getWidth() > $width) {
$wideImage = $wideImage->resize($width, $height);
}
}
// return image as jpg or png
if ($extension == 'jpg') {
$data = $wideImage->asString('jpg', 75);
} else {
$data = $wideImage->asString('png', 4, PNG_NO_FILTER);
}
return $data;
}
function colorPalette($imageFile, $numColors, $granularity = 5)
{
$granularity = max(1, abs((int) $granularity));
$colors = array();
$size = @getimagesize($imageFile);
// to enable .ico support place floIcon.php into lib/
if (strtolower($size['mime']) == 'image/vnd.microsoft.icon') {
if (class_exists("floIcon")) {
$ico = new floIcon();
@$ico->readICO($imageFile);
if (count($ico->images) == 0) {
return false;
} else {
$img = @$ico->images[count($ico->images) - 1]->getImageResource();
}
} else {
return false;
}
} else {
if ($size[0] > 0 && $size[1] > 0) {
$img = @imagecreatefromstring(file_get_contents($imageFile));
}
}
if (!$img) {
return false;
}
for ($x = 0; $x < $size[0]; $x += $granularity) {
for ($y = 0; $y < $size[1]; $y += $granularity) {
$thisColor = imagecolorat($img, $x, $y);
$rgb = imagecolorsforindex($img, $thisColor);
$red = round(round($rgb['red'] / 0x33) * 0x33);
$green = round(round($rgb['green'] / 0x33) * 0x33);
$blue = round(round($rgb['blue'] / 0x33) * 0x33);
$thisRGB = sprintf('%02X%02X%02X', $red, $green, $blue);
if (array_key_exists($thisRGB, $colors)) {
$colors[$thisRGB]++;
} else {
$colors[$thisRGB] = 1;
}
}
}
arsort($colors);
return array_slice(array_keys($colors), 0, $numColors);
}
/**
* load local icon file from filesystem as wideimage
* @return WideImage_TrueColorImage
* @param string $source of the ico file
*/
protected function loadIconFileFromFilesystem($source)
{
$fileContent = file_get_contents($source);
$tmp_image = @imagecreatefromstring($fileContent);
if ($tmp_image !== false) {
return $tmp_image;
}
$ico = new floIcon();
$ico->readICO($source);
if (count($ico->images) > 0) {
return $ico->images[0]->getImageResource();
}
return false;
}
/**
* load image
*
* @return bool
* @param string $url source url
* @param int $width
* @param int $height
*/
public function loadImage($url, $width = false, $height = false)
{
// load image
$data = @file_get_contents($url);
if ($data === false) {
return false;
}
// get image type
$tmp = \F3::get('cache') . '/' . md5($url);
file_put_contents($tmp, $data);
$imgInfo = @getimagesize($tmp);
if (strtolower($imgInfo['mime']) == 'image/vnd.microsoft.icon') {
$type = 'ico';
} elseif (strtolower($imgInfo['mime']) == 'image/png') {
$type = 'png';
} elseif (strtolower($imgInfo['mime']) == 'image/jpeg') {
$type = 'jpg';
} elseif (strtolower($imgInfo['mime']) == 'image/gif') {
$type = 'gif';
} elseif (strtolower($imgInfo['mime']) == 'image/x-ms-bmp') {
$type = 'bmp';
} else {
@unlink($tmp);
return false;
}
// convert ico to png
if ($type == 'ico') {
$ico = new \floIcon();
@$ico->readICO($tmp);
if (count($ico->images) == 0) {
@unlink($tmp);
return false;
}
ob_start();
@imagepng($ico->images[count($ico->images) - 1]->getImageResource());
$data = ob_get_contents();
ob_end_clean();
}
// parse image for saving it later
@unlink($tmp);
try {
$wideImage = \WideImage::load($data);
} catch (\Exception $e) {
return false;
}
// resize
if ($width !== false && $height !== false) {
if ($wideImage->getHeight() > $height || $wideImage->getWidth() > $width) {
$wideImage = $wideImage->resize($width, $height);
}
}
// return image as png
$data = $wideImage->asString('png', 0);
return $data;
}