115 lines
4.5 KiB
PHP
115 lines
4.5 KiB
PHP
<?php
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/**
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* @author Gasper Kozak
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* @copyright 2007-2011
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This file is part of WideImage.
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WideImage is free software; you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version.
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WideImage is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with WideImage; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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* @package Internal/Operations
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**/
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/**
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* ApplyMask operation class
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*
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* @package Internal/Operations
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*/
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class WideImage_Operation_RoundCorners
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{
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/**
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* @param WideImage_Image $image
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* @param int $radius
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* @param int $color
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* @param int $smoothness
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* @return WideImage_Image
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*/
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function execute($image, $radius, $color, $smoothness, $corners)
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{
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if ($smoothness < 1)
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$sample_ratio = 1;
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elseif ($smoothness > 16)
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$sample_ratio = 16;
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else
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$sample_ratio = $smoothness;
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$corner = WideImage::createTrueColorImage($radius * $sample_ratio, $radius * $sample_ratio);
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if ($color === null)
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{
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imagepalettecopy($corner->getHandle(), $image->getHandle());
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$bg_color = $corner->allocateColor(0, 0, 0);
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$corner->fill(0, 0, $bg_color);
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$fg_color = $corner->allocateColor(255, 255, 255);
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$corner->getCanvas()->filledEllipse($radius * $sample_ratio, $radius * $sample_ratio, $radius * 2 * $sample_ratio, $radius * 2 * $sample_ratio, $fg_color);
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$corner = $corner->resize($radius, $radius);
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$result = $image->asTrueColor();
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$tc = $result->getTransparentColor();
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if ($tc == -1)
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{
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$tc = $result->allocateColorAlpha(255, 255, 255, 127);
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imagecolortransparent($result->getHandle(), $tc);
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$result->setTransparentColor($tc);
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}
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if ($corners & WideImage::SIDE_TOP_LEFT || $corners & WideImage::SIDE_LEFT || $corners & WideImage::SIDE_TOP)
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$result = $result->applyMask($corner, -1, -1);
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$corner = $corner->rotate(90);
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if ($corners & WideImage::SIDE_TOP_RIGHT || $corners & WideImage::SIDE_TOP || $corners & WideImage::SIDE_RIGHT)
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$result = $result->applyMask($corner, $result->getWidth() - $corner->getWidth() + 1, -1, 100);
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$corner = $corner->rotate(90);
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if ($corners & WideImage::SIDE_BOTTOM_RIGHT || $corners & WideImage::SIDE_RIGHT || $corners & WideImage::SIDE_BOTTOM)
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$result = $result->applyMask($corner, $result->getWidth() - $corner->getWidth() + 1, $result->getHeight() - $corner->getHeight() + 1, 100);
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$corner = $corner->rotate(90);
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if ($corners & WideImage::SIDE_BOTTOM_LEFT || $corners & WideImage::SIDE_LEFT || $corners & WideImage::SIDE_BOTTOM)
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$result = $result->applyMask($corner, -1, $result->getHeight() - $corner->getHeight() + 1, 100);
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return $result;
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}
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else
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{
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$bg_color = $color;
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$corner->fill(0, 0, $bg_color);
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$fg_color = $corner->allocateColorAlpha(127, 127, 127, 127);
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$corner->getCanvas()->filledEllipse($radius * $sample_ratio, $radius * $sample_ratio, $radius * 2 * $sample_ratio, $radius * 2 * $sample_ratio, $fg_color);
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$corner = $corner->resize($radius, $radius);
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$result = $image->copy();
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if ($corners & WideImage::SIDE_TOP_LEFT || $corners & WideImage::SIDE_LEFT || $corners & WideImage::SIDE_TOP)
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$result = $result->merge($corner, -1, -1, 100);
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$corner = $corner->rotate(90);
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if ($corners & WideImage::SIDE_TOP_RIGHT || $corners & WideImage::SIDE_TOP || $corners & WideImage::SIDE_RIGHT)
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$result = $result->merge($corner, $result->getWidth() - $corner->getWidth() + 1, -1, 100);
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$corner = $corner->rotate(90);
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if ($corners & WideImage::SIDE_BOTTOM_RIGHT || $corners & WideImage::SIDE_RIGHT || $corners & WideImage::SIDE_BOTTOM)
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$result = $result->merge($corner, $result->getWidth() - $corner->getWidth() + 1, $result->getHeight() - $corner->getHeight() + 1, 100);
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$corner = $corner->rotate(90);
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if ($corners & WideImage::SIDE_BOTTOM_LEFT || $corners & WideImage::SIDE_LEFT || $corners & WideImage::SIDE_BOTTOM)
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$result = $result->merge($corner, -1, $result->getHeight() - $corner->getHeight() + 1, 100);
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return $result;
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}
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}
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}
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