{"id":2519,"date":"2021-03-06T07:36:04","date_gmt":"2021-03-05T23:36:04","guid":{"rendered":"https:\/\/www.csslayer.info\/wordpress\/?p=2519"},"modified":"2021-03-06T10:18:47","modified_gmt":"2021-03-06T02:18:47","slug":"linux-hidpi-configuration","status":"publish","type":"post","link":"https:\/\/www.csslayer.info\/wordpress\/linux\/linux-hidpi-configuration\/","title":{"rendered":"Linux \u7684 HiDPI \u914d\u7f6e\u95ee\u9898"},"content":{"rendered":"\n

\u5176\u5b9e\u8fd9\u4e2a\u95ee\u9898\u5bf9\u6211\u6765\u8bf4\u4ece\u6765\u4e5f\u4e0d\u662f\u4e2a\u95ee\u9898\uff0c\u56e0\u4e3a\u6211\u5df2\u7ecf\u57fa\u672c\u6df1\u5165\u7406\u89e3\u4e86\u8fd9\u4e2a\u95ee\u9898\u7684\u672c\u8d28\u2026\u2026\u7136\u800c\u4f3c\u4e4e\u6709\u4e0d\u5c11\u4eba\u5bf9\u4e8e\u600e\u4e48\u914d\u7f6e\uff0c\u4e3a\u4ec0\u4e48\u8fd9\u4e48\u914d\u7f6e\uff0c\u4e3a\u4ec0\u4e48\u53c8\u51fa\u4e86\u95ee\u9898\u4e00\u77e5\u534a\u89e3\uff0c\u56e0\u4e3a\u6700\u8fd1\u5728 Twitter \u4e0a\u56de\u590d\u4e00\u4e9b\u6bd4\u8f83\u590d\u6742\u7684\u5185\u5bb9\uff0c\u7279\u6b64\u6574\u7406\u8bb0\u5f55\u4e00\u4e0b\u3002<\/p>\n\n\n\n

\u5728\u8fc7\u53bb\uff0c\u7535\u8111\u7684\u5c4f\u5e55\u4e00\u822c\u90fd\u662f 96 DPI\uff0cDPI \u7684\u542b\u4e49\u662f\u6bcf\u82f1\u5bf8\u70b9\u6570\uff08\u50cf\u7d20\u70b9\uff09\uff0c\u5177\u4f53\u8ba1\u7b97\u7684\u65b9\u6cd5\u4e5f\u975e\u5e38\u7b80\u5355\uff0c\u7528\u50cf\u7d20\u7684\u4e2a\u6570\u9664\u4ee5\u5c4f\u5e55\u7684\u957f\u5bbd\u5373\u53ef\u3002\u968f\u7740\u6280\u672f\u53d1\u5c55\uff08\u663e\u793a\u5668\u548c\u5904\u7406\u5668\uff09\uff0c\u7535\u8111\u9010\u6e10\u53ef\u4ee5\u652f\u6301\u66f4\u9ad8\u7684 DPI \u7528\u4e8e\u663e\u793a\u3002\u629b\u5f00\u5177\u4f53\u53d1\u5c55\u4e0d\u63d0\uff0c\u4f46\u662f\u8fd9\u91cc\u5f15\u5165\u4e86\u4e00\u4e2a\u95ee\u9898\uff0c\u4f60\u7a0b\u5e8f\u5e76\u4e0d\u652f\u6301\u5728\u8fd9\u6837\u7684\u5c4f\u5e55\u4e0a\u6b63\u5e38\u663e\u793a\u3002\u901a\u5e38\u6765\u8bf4\u7684\u95ee\u9898\u5c31\u662f\u754c\u9762\u7279\u522b\u5c0f\u3002<\/p>\n\n\n\n

\u4e3a\u4ec0\u4e48\uff1f<\/p>\n\n\n\n

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1\u3001\u8bbe\u7f6e\u5b57\u4f53\u5927\u5c0f\u3002<\/p>\n\n\n\n

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2\u3001\u7a0b\u5e8f\u6765\u652f\u6301\u5185\u90e8\u7f29\u653e\u3002<\/p>\n\n\n\n

\u8fd9\u91cc\uff0c\u5f53\u7136\u4e5f\u5c31\u662f Qt \/ Gtk \u8fd9\u6837\u7684\u5927\u6846\u67b6\u624d\u6709\u7cbe\u529b\u548c\u80fd\u529b\u53bb\u652f\u6301\u8fd9\u79cd\u529f\u80fd\u3002\u8fd9\u4e2a\u529f\u80fd\u5728\u7a0b\u5e8f\u4e0d\u9700\u8981\u8fdb\u884c\u989d\u5916\u4fee\u6539\uff0c\u6216\u8005\u53ea\u8fdb\u884c\u5c11\u91cf\u4fee\u6539\u7684\u524d\u63d0\u4e0b\uff0c\u76f4\u63a5\u5728\u5185\u90e8\u6dfb\u52a0\u5750\u6807\u7684\u8f6c\u6362\u529f\u80fd\uff0c\u4e58\u4ee5\u4e00\u4e2a\u500d\u6570\uff0c\u53d8\u76f8\u5c06\u7a0b\u5e8f\u653e\u5927\u3002\u8fd9\u6837\uff0c\u5728\u9ad8\u5206\u8fa8\u7387\u7684\u524d\u63d0\u4e0b\uff0c\u5c31\u53ef\u4ee5\u7528\u6b63\u5e38\u7684\u5927\u5c0f\u663e\u793a\u754c\u9762\u3002<\/p>\n\n\n\n

3\u3001\u8bbe\u7f6e\u5206\u8fa8\u7387\u6765\u8fdb\u884c\u7f29\u653e<\/p>\n\n\n\n

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\u4e0a\u9762\u8bf4\u7684\u5206\u8fa8\u7387\u7f29\u653e\u53ea\u662f\u5728\u914d\u7f6e\u5f53\u4e2d\u5176\u4e2d\u7684\u4e00\u4e2a\u65b9\u5411\u3002\u76f8\u53cd\uff0c\u8fd8\u6709\u6545\u610f\u628a 1600×900 \u4f2a\u88c5\u6210 3200×1800 \u8fd9\u79cd\u64cd\u4f5c\uff0c\u8fd9\u662f\u4e3a\u4ec0\u4e48\u5462\uff1f<\/p>\n\n\n\n

\u8fd9\u662f\u56e0\u4e3a\uff0c\u5c3d\u7ba1\u5728 2 \u4e2d\u4f60\u53ef\u4ee5\u9760 Toolkit \u6765\u653e\u5927\u7a0b\u5e8f\u7684\u754c\u9762\uff0c\u4f46\u662f\u5982\u679c\u4f60\u540c\u65f6\u6709\u4e24\u4e2a\u4e0d\u4e00\u6837\u7684\u5c4f\u5e55\uff0c\u90a3\u8fd9\u53ef\u5c31\u5012\u4e86\u5927\u9709\u4e86\u3002\u4e00\u4e2a\u5c4f\u5e55 96 DPI \u4e00\u4e2a\u5c4f\u5e55 289 DPI\uff0c\u90a3\u4f60\u7684\u7a0b\u5e8f\u662f\u9009\u54ea\u4e00\u4e2a DPI \u6765\u663e\u793a\u5462\uff1f<\/p>\n\n\n\n

\u5173\u4e8e\u8fd9\u70b9\uff0c\u5176\u5b9e\u751a\u81f3\u8fd8\u6ca1\u6709\u5230\u300c\u9009\u54ea\u4e2a\u300d\u7684\u95ee\u9898\uff0c\u652f\u6301\u6839\u636e\u5c4f\u5e55\u52a8\u6001\u5207\u6362 DPI \u7684 Toolkit \u5728 Linux \u4e0a\u53ea\u6709 Qt \u8fd9\u4e00\u5bb6\u3002Gtk \u6839\u672c\u5c31\u4e0d\u652f\u6301\u52a8\u6001\u5728\u8fd0\u884c\u65f6\u6839\u636e\u5c4f\u5e55\u5207\u6362 DPI\u3002\u90a3\u4f60\u65e2\u60f3\u8981\u663e\u793a\u201c\u9510\u5229\u201d\uff0c\u53c8\u60f3\u8981\u5927\u5c0f\u6b63\u5e38\uff0c\u90a3\u5c31\u53ea\u6709\u4e00\u4e2a\u529e\u6cd5\u4e86\u3002\u628a\u8fd9\u4e2a 96 DPI \u7684\u5c4f\u5e55\u4e5f\u53d8\u76f8\u53d8\u6210 HiDPI \u7684\u3002\u5c3d\u7ba1\u4f60\u6ca1\u6709 HiDPI \u7684\u5c4f\u5e55\uff0c\u4f46\u662f\u4f60\u53ef\u4ee5\u901a\u8fc7\u8f6f\u4ef6\u300c\u88c5\u4f5c\u300d\u4f60\u6709\u8fd9\u4e48\u4e00\u4e2a\u5c4f\u5e55\u3002<\/p>\n\n\n\n

xrandr --output eDP-1 --scale 2x2 --mode 1920x1080 --pos 0x0 --output DP-1-0 --mode 2560x1440 --pos 3840x0<\/pre>\n\n\n\n
\u4e0a\u9762\u8fd9\u6761\u547d\u4ee4\uff0c\u5c31\u662f\u628a eDP-1 \u5728\u8f6f\u4ef6\u5c42\u9762\u53d8\u6210 3840×2160 \u7684\u5c4f\u5e55\uff0c\u653e\u5728\u5de6\u8fb9\uff0c\u5c3d\u7ba1\u5b83\u539f\u751f\u53ea\u6709 1920×1080\u3002\u8fd9\u6837\u6709\u4e24\u4e2a DPI \u76f8\u8fd1\u7684\u5c4f\u5e55\uff0c\u4f60\u81ea\u7136\u5c31\u53ef\u4ee5\u5bf9\u6309\u7167 2 \u5bf9\u7a0b\u5e8f\u8bbe\u7f6e\u7edf\u4e00\u7684\u7f29\u653e\u500d\u7387\u4e86\u3002<\/p>\n\n\n\n
4\u3001\u5c06\u4ed6\u4eec\u7ec4\u5408\u5728\u4e00\u8d77<\/p>\n\n\n\n
\u5148\u6765\u8bf4\u8bf4 X \u5230\u5e95\u662f\u600e\u4e48\u56de\u4e8b\u3002\u5bf9 X \u6765\u8bf4\uff0c\u5b83\u4e0d\u77e5\u9053\u7a97\u53e3\u91cc\u9762\u4ec0\u4e48 HiDPI \u4e0d HiDPI\uff0c\u4f60\u7ed9\u6211\u4ec0\u4e48\uff0c\u6211\u5c31\u663e\u793a\u4ec0\u4e48\u3002\u6240\u6709\u5750\u6807\u5728 X \u5c42\u9762\u90fd\u662f\u539f\u751f\u7684\u3002\u4e5f\u5c31\u662f\u8bf4\uff0c\u5b83\u6ca1\u6cd5\u628a\u4e0d\u652f\u6301 HiDPI \u7684\u7a0b\u5e8f\u653e\u5927\uff0c\u4f8b\u5982\u4e00\u4e9b Java \u7a0b\u5e8f\u6216\u8005 Xlib \u7a0b\u5e8f\u3002\u90a3\u600e\u4e48\u529e\uff1f\u5982\u679c\u4f60\u975e\u8981\u4e00\u5207\u7a0b\u5e8f\u90fd\u6b63\u5e38\u5927\u5c0f\uff0c\u90a3\u5c31\u53ea\u80fd\u8d70\u66b4\u6b84\u5929\u7269\u7684\u65b9\u6848 3 \uff0c\u628a\u5206\u8fa8\u7387\u4eba\u5de5\u964d\u4e0b\u6765\u3002<\/p>\n\n\n\n
\u8fd8\u662f\u518d\u91cd\u590d\u4e00\u6b21\uff0c\u300c\u4eba\u662f\u6d3b\u7684\uff0c\u4ee3\u7801\u662f\u6b7b\u7684\u300d\u3002\u4f60\u5f53\u7136\u53ef\u4ee5\u9009\u62e9\u300c\u90a3\u4e9b\u4e0d\u652f\u6301 HiDPI \u7684\u7a0b\u5e8f\u90fd\u662f\u8fa3\u9e21\uff0c\u6211\u4e0d\u7528\u4e86\uff01\u300d\u3002\u4e3a\u4e86\u4eab\u53d7\u300c\u9510\u5229\u300d\uff0c\u4f60\u9009\u62e9\u4e86\u53ea\u7528 Gtk \/ Qt \u7684\u7a0b\u5e8f\uff0c\u5176\u4ed6\u7a0b\u5e8f\u5982\u679c\u80fd\u7528\u8c03\u6574\u7a0b\u5e8f\u5185\u90e8\u5b57\u4f53\u51d1\u5408\u5c31\u51d1\u5408\u4e00\u4e0b\uff0c\u51d1\u5408\u4e0d\u4e86\u5e72\u8106\u4e0d\u7528\uff0c\u53cd\u6b63 Gtk \/ Qt \u7684\u9009\u62e9\u90a3\u4e48\u591a\u3002<\/p>\n\n\n\n
\u90a3\u4e48\u5728\u4f60\u9009\u62e9\u8fd9\u6761\u8def\u7684\u65f6\u5019\uff0c\u9996\u5148\u5c31\u6765\u4e86\u89e3\u4e00\u4e0b Gtk \u548c Qt \u8bbe\u5b9a\u4e0a\u7684\u4e0d\u540c\u3002Gtk \u7684 scale factor \u662f\u5f71\u54cd\u5b57\u4f53\u5927\u5c0f\u7684\uff0c\u800c Qt \u7684\u662f\u4e0d\u5f71\u54cd\u5b57\u4f53\u5927\u5c0f\u7684\u3002<\/p>\n\n\n\n
\u901a\u8fc7\u4e0b\u56fe\uff0c\u4f60\u53ef\u4ee5\u5f88\u5bb9\u6613\u5bf9\u6bd4\u7406\u89e3 Qt \u548c\u5b57\u4f53 DPI \u7ec4\u5408\u7684\u884c\u4e3a\u3002<\/p>\n\n\n\n
\"https:\/\/pbs.twimg.com\/media\/EvcWJYPVIAEo0x_?format=jpg&name=orig\"\/<\/figure>\n\n\n\n
\u7136\u540e\u518d\u6765\u5bf9\u6bd4\u4e00\u4e0b Gtk \u7684\u884c\u4e3a\u3002<\/p>\n\n\n\n
\"\u56fe\u50cf\"\/<\/figure>\n\n\n\n
\u4e5f\u5c31\u662f\u8bf4\uff0c\u5982\u679c\u4f60\u60f3 Qt \u548c Gtk \u540c\u65f6\u8fbe\u5230\u4e24\u500d\u7f29\u653e\uff0c\u5e76\u4e14\u5927\u5c0f\u76f8\u5f53\uff0c\u9700\u8981\u8bbe\u7f6e\uff1a<\/p>\n\n\n\n
1\u3001Xft DPI  192\n2\u3001QT_SCREEN_SCALE_FACTORS=2\n3\u3001GDK_SCALE=2 GDK_DPI_SCALE=0.5<\/pre>\n\n\n\n
\u5177\u4f53\u6570\u503c\u4f60\u53ef\u4ee5\u6839\u636e\u4f60\u7684\u5c4f\u5e55\u81ea\u884c\u4fee\u6539\u3002\u5f53\u7136\uff0c\u8fd9\u4e9b\u6570\u503c\u5177\u4f53\u7684\u8bbe\u7f6e\u65b9\u5f0f\u53ef\u4ee5\u901a\u8fc7\u73af\u5883\u53d8\u91cf\uff0c\u53c8\u6216\u8005\u53ef\u4ee5\u901a\u8fc7\u684c\u9762\u73af\u5883\u7684\u8bbe\u7f6e\uff0c\u4f46\u4e0d\u7ba1\u901a\u8fc7\u54ea\u79cd\u624b\u6bb5\uff0c\u672c\u8d28\u5176\u5b9e\u662f\u4e00\u6837\u7684\u3002<\/p>\n\n\n\n
\u5728\u8fd9\u4e2a\u8bbe\u7f6e\u7684\u57fa\u7840\u4e0a\uff0c\u53c8\u53ef\u4ee5\u5206\u522b\u5206\u6210\u4e24\u4e2a\u8def\u7ebf\uff0c\u4f7f\u7528 3 \u7684\u65b9\u6cd5\u4f2a\u88c5\u4f4e DPI \u7684\u5c4f\u5e55\uff0c\u53c8\u6216\u8005\u4f60\u8fde Gtk \u4e5f\u4e00\u8d77\u653e\u5f03\uff0c\u91c7\u7528 Qt \u53ef\u4ee5\u652f\u6301\u4e0d\u540c\u5c4f\u52a8\u6001\u5207\u6362 DPI \u7684\u8bbe\u7f6e\u3002<\/p>\n\n\n\n
QT_SCREEN_SCALE_FACTORS=\"eDP-1=1;DP-1-0=2\"<\/pre>\n\n\n\n
\u4f8b\u5982\u8fd9\u6837\u8bbe\u7f6e\u7684\u8bdd\uff0c\u5c31\u53ef\u4ee5\u5728 eDP-1 \u7528 1 \u500d\u7f29\u653e\uff0cDP-1-0 \u7528\u4e24\u500d\u7f29\u653e\u3002\u5c3d\u7ba1 Xft DPI \u8fd8\u662f\u53ea\u80fd\u4e00\u4e2a\u503c\uff0c\u4f46\u662f Qt \u4f1a\u81ea\u52a8\u5e2e\u4f60\u7ed1\u5b9a\u5230\u67d0\u4e2a\u5c4f\u5e55\uff0c\u53e6\u4e00\u4e2a\u5c4f\u5e55\u8fd8\u662f\u91c7\u53d6\u5305\u62ec\u5b57\u4f53\u5927\u5c0f\u5728\u5185\u7684\u5b8c\u5168\u7f29\u653e\uff0c\u628a\u7a97\u53e3\u5728\u4e0d\u540c\u5c4f\u5e55\u79fb\u52a8\u7684\u65f6\u5019\u4e5f\u4f1a\u81ea\u52a8\u8c03\u6574\u7a0b\u5e8f\u7684\u5927\u5c0f\u3002\u5f53\u7136\u4e3a\u4ec0\u4e48\u53ea\u6709 Qt \u5b9e\u73b0\u4e86\u8fd9\u4e2a\u6211\u731c\u60f3\u4e3b\u8981\u662f\u56e0\u4e3a Windows \u4e0a\u53ea\u6709\u8fd9\u4e00\u79cd\u65b9\u6848\u53ef\u4ee5\u603b\u662f\u4fdd\u6301\u539f\u751f\u72b6\u6001\u6e32\u67d3\uff0c\u5c31\u987a\u5e26\u7740\u4e5f\u652f\u6301\u4e86 Linux \u3002<\/p>\n\n\n\n
\u5982\u679c\u8bf4\u5230 Wayland\uff08\u76ee\u524d\u5df2\u6709\u7684\u5b9e\u73b0\uff09\uff0c\u672c\u8d28\u4e0a\u662f\u4e00\u6837\u7c7b\u4f3c\u7684\uff0c\u4f46\u662f\u53c2\u6570\u5b9e\u9645\u4e0a\u5c31\u6ca1\u6709\u8fd9\u4e48\u591a\u82b1\u6d3b\u53ef\u4ee5\u5f04\u3002Wayland \u5bf9\u4e8e\u7a97\u53e3\u53ef\u4ee5\u6709\u4e00\u4e2a\u7a97\u53e3\u672c\u8eab\u7684 scale \u662f\u591a\u5c11\u7684\u5c5e\u6027\uff0c\u5f53\u7136\uff0c\u5f97\u662f\u539f\u751f Wayland \u7a97\u53e3\uff0cX wayland \u7684\u7a97\u53e3 scale \u4f1a\u81ea\u52a8\u5f53\u6210\u662f 1\u3002\u7136\u540e\u8fd9\u4e2a\u7a97\u53e3\u4f1a\u5728\u4e0d\u540c\u7684\u5c4f\u5e55\u4e0a\uff0c\u6839\u636e\u5c4f\u5e55\u7684 scale \u8fdb\u884c\u5339\u914d\u7f29\u653e\u3002\u8fd9\u4e5f\u5c31\u662f\u4e3a\u4ec0\u4e48 Wayland \u53ef\u4ee5\u652f\u6301\u6240\u8c13\u7684\u300c\u5206\u6570\u300d\u7f29\u653e\uff08\u975e\u6574\u6570\u767e\u5206\u6bd4\uff0c\u4f8b\u5982 150%\uff09\u3002\u5176\u5b9e X \u5982\u679c\u4f60\u628a xrandr \u7684 scale \u6539\u6210\u5e26\u5c0f\u6570\u7684\u500d\u6570\u4e5f\u662f\u53ef\u4ee5\u7684\u3002<\/p>\n\n\n\n
\u5176\u5b9e Qt \u5728 X \u4e0b\uff0c\u4e5f\u662f\u53ef\u4ee5\u652f\u6301\u975e\u6574\u6570\u7684 scaleFactor\u3002\u4f46\u662f\u8fd9\u91cc\u6709\u4e00\u4e2a\u95ee\u9898\u3002\u6d6e\u70b9\u6570\u7684\u8ba1\u7b97\u662f\u6709\u7cbe\u5ea6\u635f\u5931\u7684\uff0c\u6240\u4ee5\u5982\u679c\u4f60\u539f\u751f\u8fdb\u884c\u5185\u90e8\u5750\u6807\u975e\u6574\u6570\u7684\u8fd0\u7b97\uff0c\u5b9e\u9645\u4e0a\u66f4\u6709\u53ef\u80fd\u51fa\u95ee\u9898\uff0c\u5728\u54ea\u91cc\u754c\u9762\u4e0a\u7f3a\u6389\u4e00\u50cf\u7d20\u4e5f\u662f\u5e38\u89c1\u7684\u4e8b\uff0c\u76f8\u6bd4\u6574\u6570\u500d\u6570\u8fd0\u7b97\u4e4b\u540e\u518d\u7f29\u653e\u6765\u8bf4\u7684\u65b9\u6848\uff0c\u95ee\u9898\u4f1a\u5c11\u4e00\u4e9b\u3002\u4f46\u662f\u5e0c\u671b\u5927\u5bb6\u8fd8\u6ca1\u6709\u5fd8\u8bb0 Wayland \u4e0b\u4e5f\u8fd8\u6709X wayland \u9700\u8981\u663e\u793a\u3002\u6839\u636e\u4e4b\u524d\u8bf4\u7684\u60c5\u51b5 X Wayland \u548c X \u5e76\u6ca1\u6709\u4ec0\u4e48\u5dee\u522b\uff0c\u53ea\u662f 3 \u4e2d\u63cf\u8ff0\u7684\u64cd\u4f5c\u73b0\u5728\u4ea4\u7ed9 wayland compositor \u8fdb\u884c\u4e86\u3002GNOME \u9ed8\u8ba4\u7684\u884c\u4e3a\u662f\u4e0d\u7f29\u653e X\uff0c\u53ef\u4ee5\u901a\u8fc7 gsettings \u542f\u7528\u4e00\u4e2a\u5b9e\u9a8c\u6027\u529f\u80fd\u6765\u8ba9 X \u88ab\u300c\u653e\u5927\u300d\u3002KDE \u662f\u9ed8\u8ba4\u91c7\u7528\u8bbe\u7f6e\u7684\u500d\u6570\u653e\u5927\u3002\u76f8\u5bf9\u6765\u8bf4\uff0c\u53cd\u800c\u548c X11 \u76f8\u6bd4\u66f4\u52a0\u4e0d\u300c\u81ea\u7531\u300d\uff0c\u5e76\u4e0d\u80fd\u5206\u5f00\u6307\u5b9a Wayland \u548c X \u7684\u7f29\u653e\u500d\u7387\u3002<\/p>\n\n\n\n
\u6bd5\u7adf\uff0c\u5bf9\u6709\u4e9b\u4eba\u6765\u8bf4\uff0c\u663e\u793a\u9510\u5229\u672c\u8eab\u6bd4\u5927\u5c0f\u66f4\u91cd\u8981\u3002\u5de6\u4fa7\u662f\u539f\u751f Wayland\uff0c\u53f3\u4fa7\u662f X wayland\u3002\u5c3d\u7ba1\u5927\u5c0f\u4e00\u81f4\uff0c\u5728 150% \u7f29\u653e\u7684\u60c5\u51b5\u4e0b X \u7684\u7a0b\u5e8f\u81ea\u7136\u662f\u6a21\u7cca\u4e86\uff08\u4ece 100% \u653e\u5927\u5230 150 %\uff09\u3002\u800c Wayland \u8fd9\u4e2a\u5219\u662f\u4ece 200% \u7f29\u5c0f\u5230 150%\uff08\u5f53\u7136\uff0c\u4e5f\u8bb8\u7528 300 % \u7ed8\u5236\u518d\u7f29\u5c0f 150 % \u6548\u679c\u53ef\u80fd\u66f4\u597d\uff1f\u4f46\u5177\u4f53\u6765\u8bf4\u73b0\u5728\u7cfb\u7edf\u5b9e\u73b0\u5c31\u662f\u8fd9\u6837\u7684\uff09<\/p>\n\n\n\n
\"https:\/\/pbs.twimg.com\/media\/EvcdZv1VIAQ4lkM?format=jpg&name=orig\"\/<\/figure>\n\n\n\n
\u6574\u4e2a HiDPI \u95ee\u9898\u5c31\u662f\u90a3\u4e48\u4e00\u4e2a\u95ee\u9898\uff0c\u600e\u4e48\u628a\u539f\u672c\u9488\u5bf9\u5c0f\u5c4f\u5e55\u8bbe\u8ba1\u7684\u7a97\u53e3\u653e\u5230\u9ad8\u5206\u8fa8\u7387\u4e0a\u663e\u793a\uff0c\u548c X \u8fd8\u662f Wayland \u6709\u4ec0\u4e48\u76f8\u5173\u4e48\uff1f\u6ca1\u6709\uff0c\u53ea\u662f\u5728\u4e0d\u540c\u5e73\u53f0\u4f60\u6709\u76f8\u5bf9\u4e0d\u540c\u7684\u53d8\u91cf\u53ef\u4ee5\u64cd\u7eb5\u3002\u6709\u6ca1\u6709\u5b8c\u7f8e\u7684\u89e3\u51b3\u65b9\u6848\uff1f\u5f53\u7136\u4e5f\u662f\u6ca1\u6709\u3002\u4f60\u504f\u8981\u628a\u4e00\u4e2a 100×100 \u7684\u7a97\u53e3\u5f53\u6210 200×200 \u663e\u793a\uff0c\u7a97\u53e3\u4e0d\u652f\u6301\u7f29\u653e\u5f53\u7136\u53ea\u80fd\u6a21\u7cca\u3002\u7a97\u53e3\u652f\u6301\u7f29\u653e\u5374\u53c8\u4e0d\u652f\u6301\u52a8\u6001\u5207\u6362\uff0c\u6df7\u5408\u5206\u8fa8\u7387\u7684\u5728\u4f4e\u5206\u8fa8\u7387\u4e0a\u90a3\u5c31\u53ea\u80fd\u6d6a\u8d39\u8d44\u6e90\u6765\u7f29\u653e\uff0c\u8fd9\u672c\u6765\u5c31\u662f\u4e24\u96be\u7684\u95ee\u9898\u3002\u771f\u6b63\u5b8c\u7f8e\u7684\u7eaf\u52a8\u6001\u5207\u6362\u73b0\u5728\u4e5f\u5c31\u53ea\u6709 X11 + Qt\uff0c\u4f46\u5927\u90e8\u5206\u4eba\u4e5f\u4e0d\u662f\u9760\u7eaf Qt \u7a0b\u5e8f\u4e0d\u662f\uff1f\u975e\u8981\u6982\u62ec\u7684\u8bdd\uff0c\u5c31\u662f\u6709\u94b1\u80fd\u89e3\u51b3\u5927\u90e8\u5206\u95ee\u9898\uff0c\u6709\u94b1\u5c31\u4e70\u4fe9 HiDPI \u5c4f\u5e55\uff0c\u6709\u94b1\u5c31\u786c\u4ef6\u5f3a\u529b\uff0c\u6d6a\u8d39\u8d44\u6e90\u7f29\u653e\u4e5f\u65e0\u6240\u8c13\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u5176\u5b9e\u8fd9\u4e2a\u95ee\u9898\u5bf9\u6211\u6765\u8bf4\u4ece\u6765\u4e5f\u4e0d\u662f\u4e2a\u95ee\u9898\uff0c\u56e0\u4e3a\u6211\u5df2\u7ecf\u57fa\u672c\u6df1\u5165\u7406\u89e3\u4e86\u8fd9\u4e2a\u95ee\u9898\u7684\u672c\u8d28\u2026\u2026\u7136\u800c\u4f3c\u4e4e\u6709\u4e0d\u5c11\u4eba\u5bf9\u4e8e\u600e\u4e48\u914d\u7f6e\uff0c\u4e3a\u4ec0\u4e48\u8fd9\u4e48\u914d\u7f6e\uff0c\u4e3a\u4ec0\u4e48\u53c8\u51fa\u4e86\u95ee\u9898\u4e00\u77e5\u534a\u89e3\uff0c\u56e0\u4e3a\u6700\u8fd1\u5728 Twitter \u4e0a\u56de\u590d\u4e00\u4e9b\u6bd4\u8f83\u590d\u6742\u7684\u5185\u5bb9\uff0c\u7279\u6b64\u6574\u7406\u8bb0\u5f55\u4e00\u4e0b\u3002 \u5728\u8fc7\u53bb\uff0c\u7535\u8111\u7684\u5c4f\u5e55\u4e00\u822c\u90fd\u662f 96 DPI\uff0cDPI \u7684\u542b\u4e49\u662f\u6bcf\u82f1\u5bf8\u70b9\u6570\uff08\u50cf\u7d20\u70b9\uff09\uff0c\u5177\u4f53\u8ba1\u7b97\u7684\u65b9\u6cd5\u4e5f\u975e\u5e38\u7b80\u5355\uff0c\u7528\u50cf\u7d20\u7684\u4e2a\u6570\u9664\u4ee5\u5c4f\u5e55\u7684\u957f\u5bbd\u5373\u53ef\u3002\u968f\u7740\u6280\u672f\u53d1\u5c55\uff08\u663e\u793a\u5668\u548c\u5904\u7406\u5668\uff09\uff0c\u7535\u8111\u9010\u6e10\u53ef\u4ee5\u652f\u6301\u66f4\u9ad8\u7684 DPI \u7528\u4e8e\u663e\u793a\u3002\u629b\u5f00\u5177\u4f53\u53d1\u5c55\u4e0d\u63d0\uff0c\u4f46\u662f\u8fd9\u91cc\u5f15\u5165\u4e86\u4e00\u4e2a\u95ee\u9898\uff0c\u4f60\u7a0b\u5e8f\u5e76\u4e0d\u652f\u6301\u5728\u8fd9\u6837\u7684\u5c4f\u5e55\u4e0a\u6b63\u5e38\u663e\u793a\u3002\u901a\u5e38\u6765\u8bf4\u7684\u95ee\u9898\u5c31\u662f\u754c\u9762\u7279\u522b\u5c0f\u3002 \u4e3a\u4ec0\u4e48\uff1f \u56e0\u4e3a\u7a0b\u5e8f\u8fc7\u53bb\u4ece\u6765\u4e5f\u4e0d\u9700\u8981\u8003\u8651\u8fd9\u4e2a\u95ee\u9898\uff0c\u90fd\u662f\u6309\u7167\u50cf\u7d20\u6765\u8fdb\u884c\u7684\u8bbe\u8ba1\uff0c\u4f8b\u5982\u663e\u793a\u4e00\u4e2a 100 x 100 \u7684\u7a97\u53e3\uff0c\u5728 96 DPI \u4e0a\u5927\u5c0f\u6b63\u5e38\uff0c\u4f46\u662f DPI \u7ffb\u500d\u7684\u8bdd\uff0c\u5c31\u53ea\u6709\u539f\u6765\u7684 1\/4 \u5927\u3002\u4eba\u7684\u773c\u775b\u5728\u4e4e\u7684\u662f\u5b83\u73b0\u5b9e\u4e2d\u6709\u591a\u5927\uff08\u50cf\u7d20 \/ DPI = \u957f\u5ea6\uff09\uff0c\u800c\u4e0d\u662f\u6709\u591a\u5c11\u50cf\u7d20\u70b9\u3002\u4e3a\u4e86\u8ba9\u7a0b\u5e8f\u80fd\u591f\u6b63\u5e38\u663e\u793a\uff0c\u540c\u65f6\u53c8\u4e0d\u9700\u8981\u4fee\u6539\u592a\u591a\u4ee3\u7801\uff0c\u5927\u5bb6\u4e5f\u662f\u52aa\u529b\u60f3\u4e86\u5f88\u591a\u529e\u6cd5\u3002 1\u3001\u8bbe\u7f6e\u5b57\u4f53\u5927\u5c0f\u3002 \u754c\u9762\u6846\u67b6\u5927\u5c0f\u4e0d\u63d0\uff0c\u5b57\u770b\u4e0d\u6e05\u90a3\u662f\u6700\u96be\u53d7\u7684\uff0c\u56e0\u6b64\u53ea\u8c03\u6574\u5b57\u4f53\u5927\u5c0f\u8fd9\u6837\u7684\u8bbe\u7f6e\uff0c\u6210\u4e3a\u4e86\u5927\u90e8\u5206\u4eba\u89e3\u51b3\u95ee\u9898\u7684\u7b2c\u4e00\u6b65\u3002\u4f46\u662f\uff0c\u5728 X \u4e0a\uff0c\u8fd9\u4e2a\u8bbe\u7f6e\u662f\u5168\u5c40\u7684\uff0c\u56e0\u6b64\u4e5f\u5c31\u4e0d\u80fd\u9488\u5bf9\u4e0d\u540c\u7684\u5c4f\u5e55\uff0c\u6765\u8bbe\u7f6e\u4e00\u4e2a\u7edf\u4e00\u7684 DPI\u3002\u4e00\u4e2a\u5c4f\u5e55\u5927\u4e00\u4e2a\u5c4f\u5e55\u5c0f\u4e5f\u53ef\u4ee5\u8bf4\u662f\u5e38\u6001\u4e86\uff0c\u4e0d\u5c11\u4eba\u5c31\u9009\u62e9\u8bbe\u7f6e\u4e00\u4e2a\u5c45\u4e2d\u7684\u503c\u6765\u81ea\u5df1\u9002\u5e94\u3002\u6bd5\u7adf\u4eba\u662f\u6d3b\u7684\uff0c\u7a0b\u5e8f\u662f\u6b7b\u7684\uff0c\u6539\u53d8\u4e0d\u4e86\u4e16\u754c\u90a3\u5c31\u53ea\u597d\u81ea\u5df1\u9002\u5e94\u4e16\u754c\u3002 2\u3001\u7a0b\u5e8f\u6765\u652f\u6301\u5185\u90e8\u7f29\u653e\u3002 \u8fd9\u91cc\uff0c\u5f53\u7136\u4e5f\u5c31\u662f Qt \/ Gtk \u8fd9\u6837\u7684\u5927\u6846\u67b6\u624d\u6709\u7cbe\u529b\u548c\u80fd\u529b\u53bb\u652f\u6301\u8fd9\u79cd\u529f\u80fd\u3002\u8fd9\u4e2a\u529f\u80fd\u5728\u7a0b\u5e8f\u4e0d\u9700\u8981\u8fdb\u884c\u989d\u5916\u4fee\u6539\uff0c\u6216\u8005\u53ea\u8fdb\u884c\u5c11\u91cf\u4fee\u6539\u7684\u524d\u63d0\u4e0b\uff0c\u76f4\u63a5\u5728\u5185\u90e8\u6dfb\u52a0\u5750\u6807\u7684\u8f6c\u6362\u529f\u80fd\uff0c\u4e58\u4ee5\u4e00\u4e2a\u500d\u6570\uff0c\u53d8\u76f8\u5c06\u7a0b\u5e8f\u653e\u5927\u3002\u8fd9\u6837\uff0c\u5728\u9ad8\u5206\u8fa8\u7387\u7684\u524d\u63d0\u4e0b\uff0c\u5c31\u53ef\u4ee5\u7528\u6b63\u5e38\u7684\u5927\u5c0f\u663e\u793a\u754c\u9762\u3002 3\u3001\u8bbe\u7f6e\u5206\u8fa8\u7387\u6765\u8fdb\u884c\u7f29\u653e \u4e5f\u8bb8\u6709\u4eba\u8bf4\uff0c\u663e\u793a\u5668\u4e0d\u90fd\u53ef\u4ee5\u914d\u7f6e\u5206\u8fa8\u7387\u4e48\uff1f\u4f603200×1800\u7684\u5c4f\u5e55\uff0c\u6211\u5f3a\u884c\u8bbe\u7f6e 1600×900 … Continue reading 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