{"id":486,"date":"2009-09-26T01:16:47","date_gmt":"2009-09-25T17:16:47","guid":{"rendered":"http:\/\/test999.eblhost.com\/blog\/?p=486"},"modified":"2009-11-17T11:01:32","modified_gmt":"2009-11-17T03:01:32","slug":"processing%ef%bc%9a%e5%83%8f%e7%b4%a0","status":"publish","type":"post","link":"https:\/\/learn.travelchinawith.me\/?p=486","title":{"rendered":"Processing\uff1a\u50cf\u7d20"},"content":{"rendered":"<figure id=\"attachment_487\" aria-describedby=\"caption-attachment-487\" style=\"width: 275px\" class=\"wp-caption alignright\"><a href=\"https:\/\/learn.travelchinawith.me\/wp-content\/uploads\/2009\/09\/pr1-1.gif\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-487 \" title=\"pr1-1\" src=\"https:\/\/learn.travelchinawith.me\/wp-content\/uploads\/2009\/09\/pr1-1.gif\" alt=\"pr1-1\" width=\"275\" height=\"159\" \/><\/a><figcaption id=\"caption-attachment-487\" class=\"wp-caption-text\">pr1-1<\/figcaption><\/figure>\n<p>1. \u8ba1\u7b97\u673a\u8424\u5e55\u5de6\u4e0a\u89d2\u5750\u6807\u4e3a0,0\uff0c\u6a2a\u5411\u4e3ax\u3001\u7eb5\u5411\u4e3ay\u8f74\u3002<\/p>\n<p>2. \u753b\u77e9\u5f62\u6709\u4e09\u79cd\u65b9\u5f0f\uff1ai. CORNER: rect(\u5de6\u4e0ax, \u5de6\u4e0ay, \u5bbd, \u9ad8)\uff1bii. CENTER: rect(\u4e2d\u5fc3x, \u4e2d\u5fc3y, \u5bbd, \u9ad8)\uff1biii. CORNERS: rect(\u5de6\u4e0ax, \u5de6\u4e0ay, \u53f3\u4e0bx, \u53f3\u4e0by)\u3002\u753b\u692d\u5706\uff08ellipse\uff09\u4e5f\u662f\u7528\u540c\u6837\u7684\u601d\u8def\u3002\u770b\u8d77\u6765\u5f88\u96be\u8bb0\u6bd4\u8f83\u5bb9\u6613\u6df7\u6dc6\uff0c\u4f46\u662f\u53ea\u8981\u8bb0\u4f4f\u6709\u4e2d\u5fc3\u7684\u5c31\u662fcenter\uff0c\u51fa\u73b0\u4e00\u4e2a\u89d2\u7684\u5750\u6807\u503c\u7684\u662fcorner\uff0c\u51fa\u73b0\u4e24\u4e2a\u89d2\u7684\u5750\u6807\u503c\u7684\u5c31\u662f\u590d\u6570\uff0c\u6240\u4ee5\u662fcorners\u3002<\/p>\n<p>3. \u5199ellipseMode\u7684\u65f6\u5019\u6211\u53d1\u73b0processing\u7684\u4ee3\u7801\u4e25\u683c\u533a\u5206\u5927\u5c0f\u5199\uff0c\u5927\u5c0f\u5199\u4e0d\u5bf9\u72d7\u65e5\u4e0d\u8ba4\uff0c\u5b8c\u5168\u4e0d\u8ba4\u3002<\/p>\n<p>4. \u8fb9\u6846stroke()\u548c\u586b\u5145fill()\u8981\u5199\u5728\u88ab\u586b\u8272\u7269\u7684\u5f62\u72b6\u4ee3\u7801\u4e4b\u524d\u3002\u80cc\u666f\u8272background()\u8981\u5199\u5728\u4ed6\u4eec\u6240\u6709\u4e4b\u524d\u3002\u8981\u9664\u53bb\u8fb9\u6846\u548c\u586b\u5145\u5e94\u5f53\u4f7f\u7528noStroke()\u548cnoFill()\u547d\u4ee4\u3002\u800c\u4e0d\u8981\u5728\u62ec\u53f7\u91cc\u4f7f\u75280\uff0c\u8bb0\u4f4f\u8fd9\u91cc\u76840\u4e0d\u662f\u201c\u6ca1\u6709\u201d\u7684\u610f\u601d\uff0c\u800c\u662f\u4ee3\u8868\u9ed1\u8272\u3002\u53e6\u5916\uff0c\u6ce8\u610f\u4e0d\u8981\u540c\u65f6\u4f7f\u7528noStroke()\u548cnoFill()\uff0c\u56e0\u4e3a\u8fd9\u6837\u5c06\u4ec0\u4e48\u4e5f\u4e0d\u4f1a\u51fa\u73b0\u3002<\/p>\n<p>5. \u4ece\u6559\u6750\u91cc\u7684\u4e24\u4e2a\u4f8b\u5b50\u6211\u53d1\u73b0\u4e00\u70b9\uff0c\u5982\u679c\u4e0d\u6307\u5b9arectMode\u7684\u8bdd\uff0c\u9ed8\u8ba4\u7684\u6a21\u5f0f\u662fCORNER&#8211;rect(\u5de6\u4e0ax, \u5de6\u4e0ay, \u5bbd, \u9ad8)\u3002\u800cellipse\u9ed8\u8ba4\u7684\u5219\u662fCENTER&#8211;ellipse(\u4e2d\u5fc3x, \u4e2d\u5fc3y, \u5bbd, \u9ad8)\u3002<\/p>\n<figure id=\"attachment_488\" aria-describedby=\"caption-attachment-488\" style=\"width: 285px\" class=\"wp-caption alignright\"><a href=\"https:\/\/learn.travelchinawith.me\/wp-content\/uploads\/2009\/09\/pr1-2.gif\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-488\" title=\"pr1-2\" src=\"https:\/\/learn.travelchinawith.me\/wp-content\/uploads\/2009\/09\/pr1-2.gif\" alt=\"pr1-2\" width=\"285\" height=\"118\" \/><\/a><figcaption id=\"caption-attachment-488\" class=\"wp-caption-text\">pr1-2<\/figcaption><\/figure>\n<p>6. Processing\u6309\u7531\u4e0a\u5f80\u4e0b\u3001\u627f\u4e0a\u542f\u4e0b\u7684\u65b9\u5f0f\u6267\u884c\u4ee3\u7801\u3002\u6240\u4ee5\u5f88\u591a\u5c5e\u6027\uff0c\u5982\u679c\u662f\u4e4b\u524d\u5199\u8fc7\u7684\uff0c\u4f60\u5c31\u6ca1\u5fc5\u8981\u5728\u4e4b\u540e\u518d\u91cd\u5199\u4e86\u3002<\/p>\n<p>7. \u5982\u679c\u4f60\u5728\u70b9\u51fbrun\u540e\uff0c\u4fee\u6539\u4e86\u4ee3\u7801\u60f3\u8981\u518d\u770b\u6548\u679c\uff0c\u4e0d\u7528\u5173\u95ed\u4e4b\u524d\u8fd0\u884c\u7684\u7a97\u53e3\uff0c\u6216\u8005\u70b9\u51fbstop\u540e\u518drun\uff0c\u76f4\u63a5\u70b9run\u5373\u53ef\u3002<\/p>\n<p>8. fill()\u7684\u7b2c\u56db\u4f4d\u5f15\u6570\u4ee3\u8868\u5b83\u7684\u900f\u660e\u5ea6\uff08\u524d\u4e09\u4f4d\u4e3aRGB\u6570\u503c\uff09\uff0c\u548c\u989c\u8272\u4e00\u6837\uff0c\u503c255\u4ee3\u8868100%\u4e0d\u900f\u660e\uff0c191\u5219\u4ee3\u886875%\u4e0d\u900f\u660e\uff0c\u8fd9\u4e2a\u503c\u8d8a\u5c0f\uff0c\u5219\u900f\u660e\u5ea6\u8d8a\u9ad8\u3002<\/p>\n<p>9. \u539f\u6765\u989c\u8272\u9664\u4e86RGB\uff0c\u8fd8\u6709\u4e2aHSB\uff08\u8272\u8c03\u3001\u9971\u548c\u5ea6\u3001\u4eae\u5ea6\uff09\u53ef\u4f9b\u8868\u8ff0\u3002\u3002\u3002colorMode()\u53ef\u4ee5\u5728\u8fd9\u4e24\u8005\u95f4\u5207\u6362\uff0c\u5e76\u5c06\u5b83\u4eec\u7684\u8303\u56f4\u7528\u7b2c\u4e8c\u5f15\u6570\u7684\u65b9\u5f0f\u91cd\u65b0\u8bbe\u5b9a\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>1. \u8ba1\u7b97\u673a\u8424\u5e55\u5de6\u4e0a\u89d2\u5750\u6807\u4e3a0,0\uff0c\u6a2a\u5411\u4e3ax\u3001\u7eb5\u5411\u4e3ay\u8f74\u3002 2. \u753b\u77e9\u5f62\u6709\u4e09\u79cd\u65b9\u5f0f\uff1ai. CORNER: rect(\u5de6\u4e0ax, \u5de6\u4e0ay, \u5bbd, \u9ad8)\uff1bii. CENTER: rect(\u4e2d\u5fc3x, \u4e2d\u5fc3y, \u5bbd, \u9ad8)\uff1biii. CORNERS: rect(\u5de6\u4e0ax, \u5de6\u4e0ay, \u53f3\u4e0bx, \u53f3\u4e0by)\u3002\u753b\u692d\u5706\uff08ellipse\uff09\u4e5f\u662f\u7528\u540c\u6837\u7684\u601d\u8def\u3002\u770b\u8d77\u6765\u5f88\u96be\u8bb0\u6bd4\u8f83\u5bb9\u6613\u6df7\u6dc6\uff0c\u4f46\u662f\u53ea\u8981\u8bb0\u4f4f\u6709\u4e2d\u5fc3\u7684\u5c31\u662fcenter\uff0c\u51fa\u73b0\u4e00\u4e2a\u89d2\u7684\u5750\u6807\u503c\u7684\u662fcorner\uff0c\u51fa\u73b0\u4e24\u4e2a\u89d2\u7684\u5750\u6807\u503c\u7684\u5c31\u662f\u590d\u6570\uff0c\u6240\u4ee5\u662fcorners\u3002 3. \u5199ellipseMode\u7684\u65f6\u5019\u6211\u53d1\u73b0processing\u7684\u4ee3\u7801\u4e25\u683c\u533a\u5206\u5927\u5c0f\u5199\uff0c\u5927\u5c0f\u5199\u4e0d\u5bf9\u72d7\u65e5\u4e0d\u8ba4\uff0c\u5b8c\u5168\u4e0d\u8ba4\u3002 4. \u8fb9\u6846stroke()\u548c\u586b\u5145fill()\u8981\u5199\u5728\u88ab\u586b\u8272\u7269\u7684\u5f62\u72b6\u4ee3\u7801\u4e4b\u524d\u3002\u80cc\u666f\u8272background()\u8981\u5199\u5728\u4ed6\u4eec\u6240\u6709\u4e4b\u524d\u3002\u8981\u9664\u53bb\u8fb9\u6846\u548c\u586b\u5145\u5e94\u5f53\u4f7f\u7528noStroke()\u548cnoFill()\u547d\u4ee4\u3002\u800c\u4e0d\u8981\u5728\u62ec\u53f7\u91cc\u4f7f\u75280\uff0c\u8bb0\u4f4f\u8fd9\u91cc\u76840\u4e0d\u662f\u201c\u6ca1\u6709\u201d\u7684\u610f\u601d\uff0c\u800c\u662f\u4ee3\u8868\u9ed1\u8272\u3002\u53e6\u5916\uff0c\u6ce8\u610f\u4e0d\u8981\u540c\u65f6\u4f7f\u7528noStroke()\u548cnoFill()\uff0c\u56e0\u4e3a\u8fd9\u6837\u5c06\u4ec0\u4e48\u4e5f\u4e0d\u4f1a\u51fa\u73b0\u3002 5. \u4ece\u6559\u6750\u91cc\u7684\u4e24\u4e2a\u4f8b\u5b50\u6211\u53d1\u73b0\u4e00\u70b9\uff0c\u5982\u679c\u4e0d\u6307\u5b9arectMode\u7684\u8bdd\uff0c\u9ed8\u8ba4\u7684\u6a21\u5f0f\u662fCORNER&#8211;rect(\u5de6\u4e0ax, \u5de6\u4e0ay, \u5bbd, \u9ad8)\u3002\u800cellipse\u9ed8\u8ba4\u7684\u5219\u662fCENTER&#8211;ellipse(\u4e2d\u5fc3x, \u4e2d\u5fc3y, \u5bbd, \u9ad8)\u3002 6. 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