/**
* Method to apply a background color to an image resource.
*
* @param array $options An array of options for the filter.
* color Background matte color
*
* @return void
*
* @since 3.4
* @throws InvalidArgumentException
* @deprecated 5.0 Use Joomla\Image\Filter\Backgroundfill::execute() instead
*/
public function execute(array $options = array())
{
// Validate that the color value exists and is an integer.
if (!isset($options['color'])) {
throw new InvalidArgumentException('No color value was given. Expected string or array.');
}
$colorCode = !empty($options['color']) ? $options['color'] : null;
// Get resource dimensions
$width = imagesX($this->handle);
$height = imagesY($this->handle);
// Sanitize color
$rgba = $this->sanitizeColor($colorCode);
// Enforce alpha on source image
if (imageIsTrueColor($this->handle)) {
imageAlphaBlending($this->handle, false);
imageSaveAlpha($this->handle, true);
}
// Create background
$bg = imageCreateTruecolor($width, $height);
imageSaveAlpha($bg, empty($rgba['alpha']));
// Allocate background color.
$color = imageColorAllocateAlpha($bg, $rgba['red'], $rgba['green'], $rgba['blue'], $rgba['alpha']);
// Fill background
imageFill($bg, 0, 0, $color);
// Apply image over background
imageCopy($bg, $this->handle, 0, 0, 0, 0, $width, $height);
// Move flattened result onto curent handle.
// If handle was palette-based, it'll stay like that.
imageCopy($this->handle, $bg, 0, 0, 0, 0, $width, $height);
// Free up memory
imageDestroy($bg);
return;
}
function compress($Media, $value)
{
switch ($Media->mimeType) {
case 'image/jpeg':
$this->_compression = (int) (100 - $value * 10);
break;
case 'image/png':
if (version_compare(PHP_VERSION, '5.1.2', '>=')) {
$this->_compression = (int) $value;
}
if (version_compare(PHP_VERSION, '5.1.3', '>=')) {
$filter = $value * 10 % 10;
$map = array(0 => PNG_FILTER_NONE, 1 => PNG_FILTER_SUB, 2 => PNG_FILTER_UP, 3 => PNG_FILTER_AVG, 4 => PNG_FILTER_PAETH);
if (array_key_exists($filter, $map)) {
$this->_pngFilter = $map[$filter];
} elseif ($filter == 5) {
if (intval($value) <= 5 && imageIsTrueColor($Media->resources['gd'])) {
$this->_pngFilter = PNG_ALL_FILTERS;
} else {
$this->_pngFilter = PNG_NO_FILTER;
}
} else {
$this->_pngFilter = PNG_ALL_FILTERS;
}
}
break;
}
return true;
}
public function compress($value)
{
switch ($this->_format) {
case 'jpeg':
$this->_compression = (int) (100 - $value * 10);
break;
case 'png':
$this->_compression = (int) $value;
$filter = $value * 10 % 10;
$map = [0 => PNG_FILTER_NONE, 1 => PNG_FILTER_SUB, 2 => PNG_FILTER_UP, 3 => PNG_FILTER_AVG, 4 => PNG_FILTER_PAETH];
if (array_key_exists($filter, $map)) {
$this->_pngFilter = $map[$filter];
} elseif ($filter == 5) {
if (intval($value) <= 5 && imageIsTrueColor($this->_object)) {
$this->_pngFilter = PNG_ALL_FILTERS;
} else {
$this->_pngFilter = PNG_NO_FILTER;
}
} else {
$this->_pngFilter = PNG_ALL_FILTERS;
}
break;
}
return true;
}
$im = imageCreateFromJPEG($image_path);
$image_create_fun = 'imageJPEG';
break;
case 'GIF':
$im = imageCreateFromGIF($image_path);
$image_create_fun = 'imageGIF';
break;
case 'PNG':
$im = imageCreateFromPNG($image_path);
$image_create_fun = 'imagePNG';
}
if ($_POST['image_type'] !== 'original') {
$image_create_fun = 'image' . $_POST['image_type'];
}
if ($_POST['black_white'] == 'yes') {
if (imageIsTrueColor($im)) {
imagetruecolortopalette($im, false, 256);
}
for ($i = 0, $colors = imageColorsTotal($im); $i < $colors; $i++) {
$color = imageColorsForIndex($im, $i);
$gray = round($color['red'] * 0.229 + $color['green'] * 0.587 + $color['red'] * 0.114);
imageColorSet($im, $i, $gray, $gray, $gray);
}
}
$file_name = '';
$extention = $_POST['image_type'];
if ($_POST['image_type'] == 'jpeg') {
$extention = 'jpg';
}
if ($_POST['image_type'] == 'original') {
$file_name = $_FILES['image']['name'];
