[{"data":1,"prerenderedAt":73},["ShallowReactive",2],{"faq-doc-workflow-how-to-prepare-printable-photo":3},{"id":4,"title":5,"answer":6,"body":7,"canonical":53,"category":54,"description":55,"draft":56,"extension":57,"faqRefs":58,"h1":5,"meta":60,"navigation":61,"path":62,"published":61,"question":5,"relatedTools":63,"robots":67,"seo":68,"slug":59,"stem":69,"summary":70,"updatedAt":71,"__hash__":72},"faqs\u002Ffaqs\u002Fhow-to-prepare-printable-photo.md","打印前应该先改 DPI 还是先改尺寸？","先确定最终像素尺寸，再处理 DPI 和排版。像素决定清晰度边界，DPI 更像打印声明，排版放在最后一步最稳妥。",{"type":8,"value":9,"toc":46},"minimark",[10,14,27,31,34],[11,12,13],"h2",{"id":13},"推荐顺序",[15,16,17,21,24],"ol",{},[18,19,20],"li",{},"先确定最终像素尺寸",[18,22,23],{},"再补齐 DPI 信息",[18,25,26],{},"最后进入排版和打印纸面预览",[28,29,30],"p",{},"这样能避免前面改完尺寸，后面又因为纸面或打印声明不一致而重新返工。",[11,32,33],{"id":33},"更直接的理解方式",[35,36,37,40,43],"ul",{},[18,38,39],{},"像素决定输出到底有多大、够不够清楚",[18,41,42],{},"DPI 决定打印软件怎样理解这张图的打印密度",[18,44,45],{},"排版决定它在相纸上放几张、怎么裁",{"title":47,"searchDepth":48,"depth":48,"links":49},"",3,[50,52],{"id":13,"depth":51,"text":13},2,{"id":33,"depth":51,"text":33},null,"workflow","说明打印前图片处理的推荐顺序，减少返工。",false,"md",[59],"how-to-prepare-printable-photo",{},true,"\u002Ffaqs\u002Fhow-to-prepare-printable-photo",[64,65,66],"modify-pixel","change-dpi","photo-sheet","index,follow",{"title":5,"description":55,"robots":67},"faqs\u002Fhow-to-prepare-printable-photo","理清打印前的处理顺序，能明显减少返工。","2026-04-15","Zr4QBOHgLqNAkserjy70ZtbzAxAYjfz9y6tajF6sXVE",1776668992796]