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108276 websjy 2015-6-17 17:51:38
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   һĿУҪΪƽ߱ĻҪ豸ʾЩĻһɵԭ͡ЩĻؼġʱܽʵˣҵphotoshopѰʹѾʮˣҲܸҸ
     ǷPhotoshopĤֱչƣǣƪ¾дġһڴƽ豸ʾĤԭʱ⡣Ȼҽһ򵥵ķʵָɫı֡Photoshopϵľ飬ҲԱӦõIllustrator

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     ڱУһʹõ@2x@3xıǣǴIOSеĤϵͳһܺõӾAPPӦͼꡣiPhoneϣһͼ6060px@1xiPhone4ͼСڵ120120px@2xڣµ豸iPhone6 Plusϣͼ꽫180180px@3xĶʱӦ֪@2x@3xָľʹسߴ硣


     ڣǻصƽӦõϡʦһұ֪Ĥķֱ¿չơһ˵Ҫ@2x@3xͼĿʼ@2xͼƻһ̨Nesus 9ϣĻֵ߱4:3עNexus 9ǹȸ1410·ƽ壬ƽĻߴ8.9Ӣ硢ֱ2048x1536ҵPhotoshopֵΪ2048x1536˺ٵļƺʶЧáһ𿴿ҷֵ⡣


     ʼûд⣬ŵ50%33%ȥһЧʱһЦ

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      Ǹ⡣4:3ƽΪ½հPSD@1x (1024x768 px)@22048x1536 px@3x3072x2304 pxȻ±Ƚϡ
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      ҪжءԣļҲˡ@2xʱ280%@3xʱ590%ֻǿհPSDԿֻǴ60KB358KBһཨܶͲĻ100MBPSDΪ@3x³590MBȻĿ2030ļĻֳǶô£

     վܵĽǶǣԶ׼, Ĥ׼ƽغķRAMCPUʹ̿ռ䡣

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     һѡʦԱһµ50%33%PSDȻעĤֱؿһ·Ѵҵȷķ

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     1 DP@1xسߴ硣Androidϣ׼ܶȾеܶȣMDPI160DPIĻϣ1 DP = 1 pxתʽΪDP = px(DPI160)עdensity-independent pixelsܶ޹صأдΪDPDIPDPIDots Per InchдʾֱʣָÿӢ糤ϵĵ Ϊ˲ڻֽܶ޹صͳһдΪDP

     ԷֱΪ2048 1536px320DPIƽΪĹʽм㣬ǵõĻĿΪ1024DPΪ768DPǵĻ׼ֱʡͬʱҲҪ֪ͼزıӡʽDZ = DPI160עԭĴ˴Ĺʽ󡣡

     ʹÿΪ1024DPֱΪ320DPI豸ǴϹʽǵõıΪ2ζҪ@2xijߴԱڸ豸ʾʵҲԺֱ۵ؿ20481024 = 2ԣҪΪʽš

     Nexus 5Nexus 5ķֱ1920 1080px480DPIDPֵ640360ĻӾ@3xԣ֪DPijߴԼˡ
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      ΪPsһνűһΪ@2x@3xߴԤͼڵͳߴ¹κθţøĻͿɡ


     ¼ҪνűģԶԭ
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     3retinaļ£ʽpng<ļ>_2x.png ļ>_3x.png
     4֮ǰIJű֮ǰ
     5ԭijߴ籣PSD

     νű޸ġҪļͼ޸ʾIJͺˣ
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     űZIPѹ,4KBGitHubϿļ

     ؽѹ󣬿ԴճPhotoshopĽűļУwindowsϵͳ· Program FilesAdobeAdobe Photoshop CC 2014Presetss criptsƻϵͳĻ ApplicationsAdobePhotoshop CCPresetss criptsעPhotoshop汾ϵͳIJͬ졣

     һϸ㶨ˡPhotoshopνűͻῪʼСڣʱһ @2x @3xPNGͼƬֻҪļ->ű->2pngͼߡļ->ű->3pngͼ:

     ļ - ű2pngͼ 3pngͼ.͵õ@2x @3xͼá

Сʿ
    ʹʱмҪע⣬ܶʹ״ʸߣܺܺõķŴСͼģʽҲһλͼܶ󣬼סλͼ滹Ҫ@2x@3x
PS ʹҲ𵽺ܺõЧκͼԵ@2x@3xǶǸر档

    ƺ֮ҪΪ˿ʹһɵԭ͡PNGͼƬԺܺõMarvelͨMarvelԽͼƬϴDropboxһͼƬϴͻȵӵĻȻͿ豸ЧĺôҿʹøٵĿDropboxռ䣬ĤPSDļһĴ󰡣

Illustrator
    õAIҲ@1xҲDP֤ļҳ72 DPIȻֶ@2x and @3x PNGͼƬ,ͨļ-,֮ѡ񡰣УΣǡţʹáֱʡ˵ Ϊ@2xƥ144 PPIΪ@3x.ƥ216 PPIעPPI Pixels Per InchʾÿӢӵе(Pixel)ĿͣУűһҲóһò

Sketch App
    һѡʹԽԽܻӭģУSketchSketchò@1xʸĹͼֵ֧@2x@3xͼԼͼʹʱҪעϵͳҪSketchBohemian Codingʾ,SketchصΪMacƣΪƳһappеʱûмƻ֧WindowsLinuxϵͳ (μ)Ĺҵ֧֣һܺõĹߡ


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     ãϣáɿԸҵĹұú㣬豸Ͽٲ鿴PSDɵĤʾߴ硣õĵطҲҪֶŴ߶Ӽˡ

http://www.zcool.com.cn/article/ZMTYzMjMy.html

http://www.smashingmagazine.com/2015/05/18/retina-design-in-photoshop/

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