/**
* Генерация шаблона из одного символа
* @param resource $img
* @param int $width
* @param int $height
* @return string
*/
public static function generateTemplateChar($img, $width = 15, $height = 16)
{
if (imagesx($img) != $width || imagesy($img) != $height) {
$img = Img::resize($img, $width, $height);
}
$colorIndexes = Divider::getColorsIndexTextAndBackground($img);
$colorTextIndexes = array_flip($colorIndexes['text']);
$line = '';
for ($y = 0; $y < $height; $y++) {
for ($x = 0; $x < $width; $x++) {
if (isset($colorTextIndexes[$colorIndexes['pix'][$x][$y]])) {
$line .= '1';
} else {
$line .= '0';
}
}
}
return $line;
}
/**
* [watermark description]
*
* @return mixed On success, current object to allow function chaining. False otherwise.
*/
public function watermark($source = 'Testing123', $size = 24, $angle = 20, $padding = 15, $color = '#ffffff', $background = 'transparent', $opacity = 0.5, $repeat = 'center')
{
$trans = $background == 'transparent' ? 0 : 1;
$src_w = imagesx($this->img);
$src_h = imagesy($this->img);
# Check for image based watermark
if (is_file($source) || is_resource($source)) {
# Init stamp object
$stamp = new Img($source);
# Resize according to padding.
$stamp->resize($size - 2 * $padding, $size - 2 * $padding);
} else {
# Disable padding on pattern stamps for easier calculation
$pad = $repeat > 0 ? 0 : $padding;
# Get the text image
$words = $this->text_image($source, $size, $pad, $color, $background);
# Init stamp object
$stamp = new Img($words);
# Reclaim memory
imagedestroy($words);
}
# Apply rotation
$stamp->rotate($angle, $background);
# Apply watermark, create a pattern if specified.
if ($repeat > 0) {
$stamp->resize((imagesx($this->img) - $repeat * 2 * $padding) / $repeat)->expand($padding)->fill($background, $trans);
$canvas = $this->transcanvas($src_w, $src_h);
$w = imagesx($stamp->img);
$h = imagesy($stamp->img);
$x = $y = 0;
while ($y <= $src_h) {
while ($x <= $src_w) {
if (!imagecopy($canvas, $stamp->img, $x, $y, 0, 0, $w, $h)) {
return false;
}
$x += $w;
}
$x = 0;
$y += $h;
}
# Merge stamp into image
$success = $this->imagecopymergealpha($this->img, $canvas, 0, 0, 0, 0, $src_w, $src_h, $opacity * 100);
} else {
$w = imagesx($stamp->img);
$h = imagesy($stamp->img);
# Get stamp coordinates
extract($this->croplocation($src_w, $src_h, $w, $h, $repeat, false));
# Merge stamp into image
$success = $this->imagecopymergealpha($this->img, $stamp->img, $src_x, $src_y, 0, 0, $w, $h, $opacity * 100);
}
# Grab arguments and substitute basename if an image was used.
$args = func_get_args();
if (is_file($args[0])) {
$args = basename($args[0]);
}
# On success update filename and return current object for function chaining, false on error.
return $success ? $this->update(__FUNCTION__, $args) : false;
}
