137 lines
3.5 KiB
PHP
137 lines
3.5 KiB
PHP
<?php
|
|
/**
|
|
* @author Gasper Kozak
|
|
* @copyright 2007-2011
|
|
|
|
This file is part of WideImage.
|
|
|
|
WideImage is free software; you can redistribute it and/or modify
|
|
it under the terms of the GNU Lesser General Public License as published by
|
|
the Free Software Foundation; either version 2.1 of the License, or
|
|
(at your option) any later version.
|
|
|
|
WideImage is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU Lesser General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public License
|
|
along with WideImage; if not, write to the Free Software
|
|
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
|
|
|
|
* @package WideImage
|
|
**/
|
|
|
|
/**
|
|
* @package WideImage
|
|
*/
|
|
class WideImage_PaletteImage extends WideImage_Image
|
|
{
|
|
/**
|
|
* Create a palette image
|
|
*
|
|
* @param int $width
|
|
* @param int $height
|
|
* @return WideImage_PaletteImage
|
|
*/
|
|
static function create($width, $height)
|
|
{
|
|
if ($width * $height <= 0 || $width < 0)
|
|
throw new WideImage_InvalidImageDimensionException("Can't create an image with dimensions [$width, $height].");
|
|
|
|
return new WideImage_PaletteImage(imagecreate($width, $height));
|
|
}
|
|
|
|
function doCreate($width, $height)
|
|
{
|
|
return self::create($width, $height);
|
|
}
|
|
|
|
/**
|
|
* (non-PHPdoc)
|
|
* @see WideImage_Image#isTrueColor()
|
|
*/
|
|
function isTrueColor()
|
|
{
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* (non-PHPdoc)
|
|
* @see WideImage_Image#asPalette($nColors, $dither, $matchPalette)
|
|
*/
|
|
function asPalette($nColors = 255, $dither = null, $matchPalette = true)
|
|
{
|
|
return $this->copy();
|
|
}
|
|
|
|
/**
|
|
* Returns a copy of the image
|
|
*
|
|
* @param $trueColor True if the new image should be truecolor
|
|
* @return WideImage_Image
|
|
*/
|
|
protected function copyAsNew($trueColor = false)
|
|
{
|
|
$width = $this->getWidth();
|
|
$height = $this->getHeight();
|
|
|
|
if ($trueColor)
|
|
$new = WideImage_TrueColorImage::create($width, $height);
|
|
else
|
|
$new = WideImage_PaletteImage::create($width, $height);
|
|
|
|
// copy transparency of source to target
|
|
if ($this->isTransparent())
|
|
{
|
|
$rgb = $this->getTransparentColorRGB();
|
|
if (is_array($rgb))
|
|
{
|
|
$tci = $new->allocateColor($rgb['red'], $rgb['green'], $rgb['blue']);
|
|
$new->fill(0, 0, $tci);
|
|
$new->setTransparentColor($tci);
|
|
}
|
|
}
|
|
|
|
imageCopy($new->getHandle(), $this->handle, 0, 0, 0, 0, $width, $height);
|
|
return $new;
|
|
}
|
|
|
|
/**
|
|
* (non-PHPdoc)
|
|
* @see WideImage_Image#asTrueColor()
|
|
*/
|
|
function asTrueColor()
|
|
{
|
|
$width = $this->getWidth();
|
|
$height = $this->getHeight();
|
|
$new = WideImage::createTrueColorImage($width, $height);
|
|
if ($this->isTransparent())
|
|
$new->copyTransparencyFrom($this);
|
|
if (!imageCopy($new->getHandle(), $this->handle, 0, 0, 0, 0, $width, $height))
|
|
throw new WideImage_GDFunctionResultException("imagecopy() returned false");
|
|
return $new;
|
|
}
|
|
|
|
/**
|
|
* (non-PHPdoc)
|
|
* @see WideImage_Image#getChannels()
|
|
*/
|
|
function getChannels()
|
|
{
|
|
$args = func_get_args();
|
|
if (count($args) == 1 && is_array($args[0]))
|
|
$args = $args[0];
|
|
return WideImage_OperationFactory::get('CopyChannelsPalette')->execute($this, $args);
|
|
}
|
|
|
|
/**
|
|
* (non-PHPdoc)
|
|
* @see WideImage_Image#copyNoAlpha()
|
|
*/
|
|
function copyNoAlpha()
|
|
{
|
|
return WideImage_Image::loadFromString($this->asString('png'));
|
|
}
|
|
}
|