本篇內(nèi)容介紹了“PHP怎么實(shí)現(xiàn)將CMYK顏色值和RGB顏色相互轉(zhuǎn)換”的有關(guān)知識(shí),在實(shí)際案例的操作過(guò)程中,不少人都會(huì)遇到這樣的困境,接下來(lái)就讓小編帶領(lǐng)大家學(xué)習(xí)一下如何處理這些情況吧!希望大家仔細(xì)閱讀,能夠?qū)W有所成!
目前創(chuàng)新互聯(lián)已為1000+的企業(yè)提供了網(wǎng)站建設(shè)、域名、網(wǎng)頁(yè)空間、網(wǎng)站托管維護(hù)、企業(yè)網(wǎng)站設(shè)計(jì)、阿拉善盟網(wǎng)站維護(hù)等服務(wù),公司將堅(jiān)持客戶導(dǎo)向、應(yīng)用為本的策略,正道將秉承"和諧、參與、激情"的文化,與客戶和合作伙伴齊心協(xié)力一起成長(zhǎng),共同發(fā)展。function hex2rgb($hex) { $color = str_replace('#','',$hex); $rgb = array('r' => hexdec(substr($color,0,2)), 'g' => hexdec(substr($color,2,2)), 'b' => hexdec(substr($color,4,2))); return $rgb; } // www.jb51.net function rgb2cmyk($var1,$g=0,$b=0) { if (is_array($var1)) { $r = $var1['r']; $g = $var1['g']; $b = $var1['b']; } else { $r=$var1; } $cyan = 255 - $r; $magenta = 255 - $g; $yellow = 255 - $b; $black = min($cyan, $magenta, $yellow); $cyan = @(($cyan - $black) / (255 - $black)) * 255; $magenta = @(($magenta - $black) / (255 - $black)) * 255; $yellow = @(($yellow - $black) / (255 - $black)) * 255; return array('c' => $cyan / 255, 'm' => $magenta / 255, 'y' => $yellow / 255, 'k' => $black / 255); } $color=rgb2cmyk(hex2rgb('#FF0000'));
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