/**
* Function which called before render.
*
* @return bool|PEAR_Error TRUE on success or PEAR_Error on failure.
* @access protected
*/
function preRender()
{
$res = Image_Tools::createImage($this->options['image']);
if (PEAR::isError($res)) {
return $res;
}
$this->resultImage = $res;
$this->_iWidth = imagesx($this->resultImage);
$this->_iHeight = imagesy($this->resultImage);
return true;
}
/**
* Function which called before render.
*
* @return bool|PEAR_Error TRUE on success or PEAR_Error on failure.
* @access protected
* @see Image_Tools::createImage()
*/
function preRender()
{
// Create the source image
$res = Image_Tools::createImage($this->options['image']);
if (PEAR::isError($res)) {
return $res;
}
$this->resultImage = $res;
$this->_init();
}
/**
* Function which called before render.
*
* @return bool|PEAR_Error TRUE on success or PEAR_Error on failure.
* @access protected
* @see Image_Tools::createImage()
*/
function preRender()
{
$res = Image_Tools::createImage($this->options['image1']);
if (PEAR::isError($res)) {
return $res;
}
$this->_image1 = $res;
$res = Image_Tools::createImage($this->options['image2']);
if (PEAR::isError($res)) {
return $res;
}
$this->_image2 = $res;
// initialize an array if only its interpolation mode
if ($this->options['mode'] == 'interpolation') {
for ($i = 0; $i < 256; $i++) {
$this->cosineTab[] = (int) round(64 - cos($i * M_PI / 255) * 64);
}
}
return true;
}
/**
* Function which called before render.
*
* @return bool|PEAR_Error TRUE on success or PEAR_Error on failure.
* @access protected
* @see Image_Tools::createImage()
*/
function preRender()
{
$res = Image_Tools::createImage($this->options['mask']);
if (PEAR::isError($res)) {
return $res;
}
$this->_maskImage = $res;
$res = Image_Tools::createImage($this->options['sample']);
if (PEAR::isError($res)) {
return $res;
}
$this->_sampleImage = $res;
$res = Image_Tools::createImage($this->options['image']);
if (PEAR::isError($res)) {
return $res;
}
$this->resultImage = $res;
return true;
}
/**
* Function which called before render.
*
* @return bool|PEAR_Error TRUE on success or PEAR_Error on failure.
* @access protected
* @see Image_Tools::createImage()
*/
function preRender()
{
// Create the source image
$source = Image_Tools::createImage($this->options['image']);
if (PEAR::isError($source)) {
return $source;
}
$this->_source = $source;
// Create the mark image
$mark = Image_Tools::createImage($this->options['mark']);
if (PEAR::isError($mark)) {
return $mark;
}
$this->_mark = $mark;
// includes the Image_Tools_Blend if blend mode enable
if ($this->options['blend'] != 'none') {
require_once 'Image/Tools/Blend.php';
}
}
