public function resizeStretch($width, $height, &$that)
{
// bring stuff from the parent class into this class...
$this->parentInstance = $that;
$this->oldImage = $this->parentInstance->getOldImage();
$this->currentDimensions = $this->parentInstance->getCurrentDimensions();
$this->workingImage = $this->parentInstance->getWorkingImage();
$this->options = $this->parentInstance->getOptions();
// make sure our arguments are valid
if (!is_numeric($width)) {
throw new InvalidArgumentException('$maxWidth must be numeric');
}
if (!is_numeric($height)) {
throw new InvalidArgumentException('$maxHeight must be numeric');
}
// get the new dimensions...
$this->newDimensions = array('newWidth' => $width, 'newHeight' => $height);
// create the working image
if (function_exists('imagecreatetruecolor')) {
$this->workingImage = imagecreatetruecolor($this->newDimensions['newWidth'], $this->newDimensions['newHeight']);
} else {
$this->workingImage = imagecreate($this->newDimensions['newWidth'], $this->newDimensions['newHeight']);
}
//$this->parentInstance->preserveAlpha();
// and create the newly sized image
imagecopyresampled($this->workingImage, $this->oldImage, 0, 0, 0, 0, $this->newDimensions['newWidth'], $this->newDimensions['newHeight'], $this->currentDimensions['width'], $this->currentDimensions['height']);
// update all the variables and resources to be correct
$this->parentInstance->setOldImage($this->workingImage);
$this->parentInstance->setCurrentDimensions($this->newDimensions);
return $that;
}
public function createReflection($percent, $reflection, $white, $border, $borderColor, &$that)
{
// bring stuff from the parent class into this class...
$this->parentInstance = $that;
$this->currentDimensions = $this->parentInstance->getCurrentDimensions();
$this->workingImage = $this->parentInstance->getWorkingImage();
$this->newImage = $this->parentInstance->getOldImage();
$this->options = $this->parentInstance->getOptions();
$width = $this->currentDimensions['width'];
$height = $this->currentDimensions['height'];
$reflectionHeight = intval($height * ($reflection / 100));
$newHeight = $height + $reflectionHeight;
$reflectedPart = $height * ($percent / 100);
$this->workingImage = imagecreatetruecolor($width, $newHeight);
imagealphablending($this->workingImage, true);
$colorToPaint = imagecolorallocatealpha($this->workingImage, 255, 255, 255, 0);
imagefilledrectangle($this->workingImage, 0, 0, $width, $newHeight, $colorToPaint);
imagecopyresampled($this->workingImage, $this->newImage, 0, 0, 0, $reflectedPart, $width, $reflectionHeight, $width, $height - $reflectedPart);
$this->imageFlipVertical();
imagecopy($this->workingImage, $this->newImage, 0, 0, 0, 0, $width, $height);
imagealphablending($this->workingImage, true);
for ($i = 0; $i < $reflectionHeight; $i++) {
$colorToPaint = imagecolorallocatealpha($this->workingImage, 255, 255, 255, ($i / $reflectionHeight * -1 + 1) * $white);
imagefilledrectangle($this->workingImage, 0, $height + $i, $width, $height + $i, $colorToPaint);
}
if ($border == true) {
$rgb = $this->hex2rgb($borderColor, false);
$colorToPaint = imagecolorallocate($this->workingImage, $rgb[0], $rgb[1], $rgb[2]);
imageline($this->workingImage, 0, 0, $width, 0, $colorToPaint);
//top line
imageline($this->workingImage, 0, $height, $width, $height, $colorToPaint);
//bottom line
imageline($this->workingImage, 0, 0, 0, $height, $colorToPaint);
//left line
imageline($this->workingImage, $width - 1, 0, $width - 1, $height, $colorToPaint);
//right line
}
if ($this->parentInstance->getFormat() == 'PNG') {
$colorTransparent = imagecolorallocatealpha($this->workingImage, $this->options['alphaMaskColor'][0], $this->options['alphaMaskColor'][1], $this->options['alphaMaskColor'][2], 0);
imagefill($this->workingImage, 0, 0, $colorTransparent);
imagesavealpha($this->workingImage, true);
}
$this->parentInstance->setOldImage($this->workingImage);
$this->currentDimensions['width'] = $width;
$this->currentDimensions['height'] = $newHeight;
$this->parentInstance->setCurrentDimensions($this->currentDimensions);
return $that;
}
public function resizeFixedSize($width, $height, $color = '#FFFFFF', &$that)
{
$this->parentInstance = $that;
$this->parentInstance->resize($width, $height);
$this->currentDimensions = $this->parentInstance->getCurrentDimensions();
$this->workingImage = $this->parentInstance->getWorkingImage();
$this->newImage = $this->parentInstance->getOldImage();
$this->options = $this->parentInstance->getOptions();
$this->workingImage = imagecreatetruecolor($width, $height);
imagealphablending($this->workingImage, true);
$rgb = $this->hex2rgb($color, false);
$colorToPaint = imagecolorallocatealpha($this->workingImage, $rgb[0], $rgb[1], $rgb[2], 0);
imagefilledrectangle($this->workingImage, 0, 0, $width, $height, $colorToPaint);
imagecopyresampled($this->workingImage, $this->newImage, intval(($width - $this->currentDimensions['width']) / 2), intval(($height - $this->currentDimensions['height']) / 2), 0, 0, $this->currentDimensions['width'], $this->currentDimensions['height'], $this->currentDimensions['width'], $this->currentDimensions['height']);
$this->parentInstance->setOldImage($this->workingImage);
$this->currentDimensions['width'] = $width;
$this->currentDimensions['height'] = $height;
$this->parentInstance->setCurrentDimensions($this->currentDimensions);
return $that;
}
/**
* Pad the image
*
* @param int $newWidth
* @param int $newHeieight
* @param int $backgroundColor
* @return GdThumb
*/
public function padding($newWidth, $newHeight, $backgroundColor, &$that)
{
// bring stuff from the parent class into this class...
$this->parentInstance = $that;
$this->currentDimensions = $this->parentInstance->getCurrentDimensions();
$this->workingImage = $this->parentInstance->getWorkingImage();
$this->newImage = $this->parentInstance->getOldImage();
$this->options = $this->parentInstance->getOptions();
$width = $this->currentDimensions['width'];
$height = $this->currentDimensions['height'];
$offsetLeft = ($newWidth - $width) / 2;
$offsetTop = ($newHeight - $height) / 2;
$this->workingImage = imagecreatetruecolor($newWidth, $newHeight);
$rgb = $this->hex2rgb($backgroundColor, false);
$colorToPaint = imagecolorallocatealpha($this->workingImage, $rgb[0], $rgb[1], $rgb[2], 0);
imagefilledrectangle($this->workingImage, 0, 0, $newWidth, $newHeight, $colorToPaint);
imagecopy($this->workingImage, $this->newImage, $offsetLeft, $offsetTop, 0, 0, $width, $height);
$this->parentInstance->setOldImage($this->workingImage);
return $that;
}
/**
* Add logo to image
* @param logoFileName - file name of logo image in jpg or png format
* @param positionX - Position of logo image on X-axis ('left', 'center', 'right' or plain number)
* @param positionY - Position of logo image on X-axis ('top', 'center', 'bottom' or plain number)
* @param alpha - alpha value for logo merging in percent
*/
public function addLogo($logoFileName, $positionX, $positionY, $alpha, &$that)
{
$logo_size = getimagesize($logoFileName);
// bring stuff from the parent class into this class...
$this->parentInstance = $that;
$this->oldImage = $this->parentInstance->getOldImage();
$this->parentInstance->setWorkingImage($this->oldImage);
$this->currentDimensions = $this->parentInstance->getCurrentDimensions();
$this->workingImage = $this->parentInstance->getWorkingImage();
$this->options = $this->parentInstance->getOptions();
$src_dimension = array("x" => $this->currentDimensions['width'], "y" => $this->currentDimensions['height']);
$logo_dimension = array("x" => $logo_size[0], "y" => $logo_size[1]);
$center = array("x" => $src_dimension["x"] / 2 - $logo_dimension["x"] / 2, "y" => $src_dimension["y"] / 2 - $logo_dimension["y"] / 2);
$logo_positionX["left"] = 0;
$logo_positionX["center"] = $center["x"];
$logo_positionX["right"] = $src_dimension["x"] - $logo_dimension["x"];
$logo_positionY["top"] = 0;
$logo_positionY["center"] = $center["y"];
$logo_positionY["bottom"] = $src_dimension["y"] - $logo_dimension["y"];
if (is_numeric($positionX)) {
$logo_position["x"] = $positionX;
} else {
$logo_position["x"] = $logo_positionX[$positionX];
}
if (is_numeric($positionY)) {
$logo_position["y"] = $positionY;
} else {
$logo_position["y"] = $logo_positionY[$positionY];
}
switch (exif_imagetype($logoFileName)) {
case IMAGETYPE_JPEG:
$logo = imagecreatefromjpeg($logoFileName);
break;
case IMAGETYPE_PNG:
$logo = imagecreatefrompng($logoFileName);
break;
}
imagecopymerge($this->workingImage, $logo, $logo_position["x"], $logo_position["y"], 0, 0, $logo_dimension["x"], $logo_dimension["y"], $alpha);
return $that;
}
/**
* Resize and crop
*
* @param integer $width
* @param integer $height
* @return $this
*/
public function crop($width, $height)
{
// GdThumb will not enforce the requested aspect ratio if the image is too
// small, so we manually calculate what the size should be if the aspect
// ratio is preserved.
$options = $this->thumb->getOptions();
if (empty($options['resizeUp'])) {
$size = $this->thumb->getCurrentDimensions();
$ratio = $width / $height;
if ($size['width'] < $width) {
$width = $size['width'];
$height = $size['width'] / $ratio;
}
if ($size['height'] < $height) {
$height = $size['height'];
$width = $size['height'] * $ratio;
}
}
// Do a normal adpative resize
$this->thumb->adaptiveResize($width, $height);
return $this;
}
public function createWatermark($mask_file, $mask_position = 'cc', $mask_padding = 0, $that)
{
// bring stuff from the parent class into this class...
$this->parentInstance = $that;
$this->currentDimensions = $this->parentInstance->getCurrentDimensions();
$this->workingImage = $this->parentInstance->getWorkingImage();
$this->newImage = $this->parentInstance->getOldImage();
$this->options = $this->parentInstance->getOptions();
$this->mask_file = $mask_file;
$this->mask_position = $mask_position;
$this->mask_padding = $mask_padding;
$canvas_width = $this->currentDimensions['width'];
$canvas_height = $this->currentDimensions['height'];
list($logo_width, $logo_height, $logo_type, $logo_attr) = getimagesize($mask_file);
switch ($logo_type) {
case 1:
$logo_image = imagecreatefromgif($mask_file);
break;
case 2:
@ini_set('gd.jpeg_ignore_warning', 1);
$logo_image = imagecreatefromjpeg($mask_file);
break;
case 3:
$logo_image = imagecreatefrompng($mask_file);
break;
}
imagealphablending($this->workingImage, true);
switch ($mask_position) {
// Random
case 'rd':
$start_width = round(mt_rand($mask_padding, $canvas_width - $logo_width - $mask_padding));
$start_height = round(mt_rand($mask_padding, $canvas_height - $logo_height - $mask_padding));
break;
// Center top
// Center top
case 'ct':
case 'tc':
$start_width = round(($canvas_width - $logo_width) / 2);
$start_height = $mask_padding;
break;
// Center middle
// Center middle
case 'mc':
case 'cm':
case 'cc':
$start_width = round(($canvas_width - $logo_width) / 2);
$start_height = round(($canvas_height - $logo_height) / 2);
break;
// Center bottom
// Center bottom
case 'cb':
case 'bc':
$start_width = round(($canvas_width - $logo_width) / 2);
$start_height = $canvas_height - $mask_padding - $logo_height;
break;
// Left top
// Left top
case 'lt':
case 'tl':
$start_width = $mask_padding;
$start_height = $mask_padding;
break;
// Left center
// Left center
case 'lc':
case 'cl':
$start_width = $mask_padding;
$start_height = round(($canvas_height - $logo_height) / 2);
break;
// Left bottom
// Left bottom
case 'lb':
case 'bl':
$start_width = $mask_padding;
$start_height = $canvas_height - $mask_padding - $logo_height;
break;
// Right top
// Right top
case 'rt':
case 'tr':
$start_width = $canvas_width - $mask_padding - $logo_width;
$start_height = $mask_padding;
break;
// Right center
// Right center
case 'rc':
case 'cr':
$start_width = $canvas_width - $mask_padding - $logo_width;
$start_height = round(($canvas_height - $logo_height) / 2);
break;
// Right bottom
// Right bottom
case 'rb':
case 'br':
default:
$start_width = $canvas_width - $logo_width - $mask_padding;
$start_height = $canvas_height - $logo_height - $mask_padding;
break;
}
imagecopy($this->workingImage, $logo_image, $start_width, $start_height, 0, 0, $logo_width, $logo_height);
imagedestroy($logo_image);
return $that;
}
/**
ct = center top
cc = center center
lt = left top
rt = right top
lb = left bottom
rb = right bottom
cb = center bottom
*/
public function createWatermark($mask_file, $mask_position = 'cc', $mask_padding = 0, $that)
{
// bring stuff from the parent class into this class...
$this->parentInstance = $that;
$this->currentDimensions = $this->parentInstance->getCurrentDimensions();
$this->workingImage = $this->parentInstance->getWorkingImage();
$this->newImage = $this->parentInstance->getOldImage();
$this->options = $this->parentInstance->getOptions();
$this->mask_file = $mask_file;
$this->mask_position = $mask_position;
$this->mask_padding = $mask_padding;
$canvas_width = $this->currentDimensions['width'];
$canvas_height = $this->currentDimensions['height'];
if ($canvas_width <= 200 || $canvas_height <= 200) {
return $that;
}
list($stamp_width, $stamp_height, $stamp_type, $stamp_attr) = getimagesize($mask_file);
switch ($stamp_type) {
case 1:
$stamp_image = imagecreatefromgif($mask_file);
break;
case 2:
@ini_set('gd.jpeg_ignore_warning', 1);
$stamp_image = imagecreatefromjpeg($mask_file);
break;
case 3:
$stamp_image = imagecreatefrompng($mask_file);
break;
}
imagealphablending($this->workingImage, true);
if ($stamp_width > $canvas_width || $stamp_height > $canvas_height) {
// some simple resize math
//$water_resize_factor = round($canvas_width / $stamp_width);
$water_resize_factor = 0.5;
$new_mask_width = $stamp_width * $water_resize_factor;
$new_mask_height = $stamp_height * $water_resize_factor;
$mask_padding = $mask_padding * $water_resize_factor;
// the new watermark creation takes place starting from here
$new_mask_image = imagecreatetruecolor($new_mask_width, $new_mask_height);
// imagealphablending is important in order to keep, our png image (the watewrmark) transparent
imagealphablending($new_mask_image, false);
imagecopyresampled($new_mask_image, $stamp_image, 0, 0, 0, 0, $new_mask_width, $new_mask_height, $stamp_width, $stamp_height);
// assign the new values to the old variables
$stamp_width = $new_mask_width;
$stamp_height = $new_mask_height;
$stamp_image = $new_mask_image;
}
switch ($mask_position) {
case 'ct':
// Center top
$start_width = round(($canvas_width - $stamp_width) / 2);
$start_height = $mask_padding;
break;
case 'cc':
// Center
$start_width = round(($canvas_width - $stamp_width) / 2);
$start_height = round(($canvas_height - $stamp_height) / 2);
break;
case 'cb':
// Center Bottom
$start_width = round(($canvas_width - $stamp_width) / 2);
$start_height = $canvas_height - $mask_padding - $stamp_height;
break;
case 'lt':
// Left Top
$start_width = $mask_padding;
$start_height = $mask_padding;
break;
case 'lb':
// Left Bottom
$start_width = $mask_padding;
$start_height = $canvas_height - $mask_padding - $stamp_height;
break;
case 'rt':
// Right Top
$start_width = $canvas_width - $mask_padding - $stamp_width;
$start_height = $mask_padding;
break;
case 'rb':
// Right Bottom
$start_width = $canvas_width - $mask_padding - $stamp_width;
$start_height = $canvas_height - $mask_padding - $stamp_height;
break;
}
imagecopy($this->workingImage, $stamp_image, $start_width, $start_height, 0, 0, $stamp_width, $stamp_height);
imagedestroy($stamp_image);
return $that;
}
