{"id":471,"date":"2017-07-29T15:29:57","date_gmt":"2017-07-29T07:29:57","guid":{"rendered":"http:\/\/yaochenkun.site\/?p=471"},"modified":"2024-11-23T15:53:13","modified_gmt":"2024-11-23T07:53:13","slug":"editpel_article","status":"publish","type":"post","link":"http:\/\/yaochenkun.site\/index.php\/2017\/07\/29\/editpel_article\/","title":{"rendered":"Android \u7ed8\u56fe\u8f6f\u4ef6\u5f00\u53d12-\u56fe\u5f62\u7684\u7f16\u8f91\u64cd\u4f5c\u5b9e\u73b0"},"content":{"rendered":"\n<h3 class=\"wp-block-heading\">\u5f15\u8a00<\/h3>\n\n\n\n<p>\u56fe\u5f62\u5e76\u4e0d\u662f\u753b\u4e86\u5c31\u753b\u4e86\uff0c\u7528\u6237\u5b8c\u5168\u53ef\u4ee5\u5728\u63a5\u4e0b\u6765\u5bf9\u4efb\u4e00\u56fe\u5f62\u8fdb\u884c\u540e\u671f\u7f16\u8f91\uff0c\u800c\u7f16\u8f91\u64cd\u4f5c\u5305\u62ec\uff1a\u9009\u4e2d\u3001\u5e73\u79fb\u3001\u7f29\u653e\u3001\u65cb\u8f6c\u3001\u62f7\u8d1d\u3001\u5220\u9664\u3002\u672c\u7ae0\u5c31\u60f3\u8bb2\u8bb2\u600e\u4e48\u53bb\u5b9e\u73b0\u8fd9\u4e9b\u64cd\u4f5c\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u5f00\u53d1\u601d\u8def<\/h3>\n\n\n\n<p>\u8fd8\u662f\u7528\u5206\u7c7b\u5212\u5206\u7684\u601d\u8def\u8003\u8651\uff1a\u7eb5\u89c2\u8fd9\u516d\u4e2a\u7f16\u8f91\u64cd\u4f5c\uff0c\u201c\u9009\u4e2d\u201d\u662f\u6700\u7279\u6b8a\u7684\uff0c\u5b83\u662f\u5176\u5b83\u64cd\u4f5c\u80fd\u591f\u8fdb\u884c\u7684\u524d\u7f6e\u6761\u4ef6\uff08\u56e0\u4e3a\u5fc5\u987b\u8981\u9009\u4e2d\u4e86\u67d0\u4e2a\u56fe\u5f62\u540e\u624d\u80fd\u8fdb\u884c\u5440\uff0c\u4e0d\u7136\u7cfb\u7edf\u600e\u4e48\u77e5\u9053\u60a8\u60f3\u8981\u64cd\u4f5c\u54ea\u4e2a\u56fe\u5f62\uff09\u3002\u5176\u6b21\uff0c\u201c\u5e73\u79fb\u201d\u3001\u201c\u7f29\u653e\u201d\u3001\u201c\u65cb\u8f6c\u201d\u8fd93\u4e2a\u64cd\u4f5c\u7684\u5171\u540c\u4e4b\u5904\u662f\u90fd\u8981\u5bf9\u753b\u5e03\u4e0a\u7684\u56fe\u5f62\u8fdb\u884c\u89e6\u6478\uff0c\u8fdb\u800c\u4ea7\u751f\u53d8\u6362\u3002\u6700\u540e\uff0c\u201c\u62f7\u8d1d\u201d\u548c\u201c\u5220\u9664\u201d\u8fd92\u4e2a\u64cd\u4f5c\u975e\u5e38\u7b80\u5355\uff0c\u53ea\u8981\u9009\u4e2d\u67d0\u4e2a\u56fe\u5f62\uff0c\u518d\u70b9\u51fb\u5bf9\u5e94\u6309\u94ae\u5373\u53ef\u77ac\u95f4\u6267\u884c\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u9009\u4e2d\u64cd\u4f5c<\/h3>\n\n\n\n<p>\u7528\u6237\u624b\u6307\u843d\u4e0b\u540e\u4f1a\u89e6\u53d1MotionEvent.ACTION_DOWN\u4e8b\u4ef6\uff0c\u8be5\u4e8b\u4ef6\u5bf9\u8c61\u53ef\u4ee5\u6355\u83b7\u843d\u70b9\u5750\u6807\uff0c\u6b64\u65f6\u53ea\u8981\u904d\u5386\u56fe\u5f62\u94fe\u8868pelList\uff0c\u9010\u4e2a\u8ba1\u7b97\u6bcf\u4e2a\u56fe\u5f62\u4e0e\u843d\u70b9\u5206\u522b\u5728\u201c\u6c34\u5e73\u201d\u548c\u201c\u5782\u76f4\u201d\u65b9\u5411\u7684\u8ddd\u79bb\u4e4b\u548c\uff0c\u5e76\u627e\u51fa\u201c\u6c34\u5e73\u201d\u6216\u201c\u5782\u76f4\u201d\u8ddd\u79bb\u4e4b\u548c\u6700\u77ed\u7684\u90a3\u4e2a\u56fe\u5f62\uff0c\u8be5\u56fe\u5f62\u5373\u88ab\u9009\u4e2d\uff0c\u5982\u4e0b\u56fe\u6240\u793a\uff0c\u9ed1\u70b9\u8868\u793a\u843d\u70b9\uff0c\u5b9e\u7ebf\u4ee3\u8868\u56fe\u5f62\u8f68\u8ff9\uff0c\u6700\u7ec8\u5706\u5f62\u88ab\u9009\u4e2d\u3002<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img loading=\"lazy\" decoding=\"async\" width=\"196\" height=\"138\" src=\"http:\/\/yaochenkun.site\/wp-content\/uploads\/2016\/07\/select.png\" alt=\"select\" class=\"wp-image-483\"\/><\/figure><\/div>\n\n\n<p>\u8ba1\u7b97\u8ddd\u79bb\u65f6\uff0c\u9700\u8981\u77e5\u9053\u56fe\u5f62\u7684\u4f4d\u7f6e\u4fe1\u606f\uff0c\u8be5\u4fe1\u606f\u7531pel\u5bf9\u8c61\u7684region\u63d0\u4f9b\uff0c\u901a\u8fc7\u8c03\u7528region.getBounds()\u5373\u53ef\u83b7\u5f97\u56fe\u5f62\u7684\u5305\u56f4\u76d2\uff0c\u4e0a\u56fe\u4e2d\u7684\u865a\u7ebf\u5373\u8868\u793a\u5305\u56f4\u76d2\u3002\u4ee3\u7801\u5927\u4f53\u5982\u4e0b\u6240\u793a\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"null\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">ListIterator&lt;Pel>; pelIterator = pelList.listIterator(); \/\/ \u83b7\u53d6pelList\u5bf9\u5e94\u7684\u8fed\u4ee3\u5668\u5934\u7ed3\u70b9\nwhile (pelIterator.hasNext())\n{\n    Pel pel = pelIterator.next();\n    Rect rect=(pel.region).getBounds(); \/\/\u83b7\u53d6\u56fe\u5f62\u5305\u56f4\u76d2\n\n    \/\/\u8ba1\u7b97\u843d\u70b9\u8ddd\u79bb\u56fe\u5f62\u5de6\u3001\u53f3\u8fb9\u754c\u7684\u8ddd\u79bb\u548c\n    float leftDis=Math.abs(rect.left-downPoint.x);\n    float rightDis=Math.abs(rect.right-downPoint.x);\n    float horizontalDis=leftDis+rightDis;\n\n    \/\/\u8ba1\u7b97\u843d\u70b9\u8ddd\u79bb\u56fe\u5f62\u4e0a\u3001\u4e0b\u8fb9\u754c\u7684\u8ddd\u79bb\u548c\n    float topDis=Math.abs(rect.top-downPoint.y);\n    float bottomDis=Math.abs(rect.bottom-downPoint.y);\n    float verticalDis=topDis+bottomDis;\n\n    \/\/\u5224\u65ad\u843d\u70b9\u4e0e\u8be5\u56fe\u5f62\u7684\u8ddd\u79bb\u548c\u662f\u5426\u66f4\u5c0f\uff0c\u82e5\u662f\u8fdb\u4e00\u6b65\u5224\u65ad\u843d\u70b9\u662f\u5426\u5728\u56fe\u5f62\u5185\u90e8\u6216\u9644\u8fd1\uff0c\u82e5\u592a\u8fdc\u5219\u4ecd\u7136\u4e0d\u7b97\n    if((horizontalDis &lt; minHorizontalDis || verticalDis &lt; minVerticalDis) &amp;&amp; (horizontalDis &lt; rect.width() + 5 &amp;&amp; verticalDis &lt; rect.height() + 5))\n    {\n        selectedPel=pel; \/\/\u9009\u4e2d\u8be5\u56fe\u5f62\n        minHorizontalDis=horizontalDis;\n        minVerticalDis=verticalDis;\n    }\n}<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">\u53d8\u6362\u77e9\u9635<\/h3>\n\n\n\n<p>\u5728\u8bb2\u56fe\u5f62\u7684\u53d8\u6362\u64cd\u4f5c\uff08\u5373\u5e73\u79fb\u3001\u7f29\u653e\u3001\u65cb\u8f6c\uff09\u4e4b\u524d\uff0c\u9996\u5148\u8981\u5f15\u5165\u201c\u53d8\u6362\u77e9\u9635\u201d\u8fd9\u4e2a\u6982\u5ff5\uff0c\u82e5\u8981\u8be6\u7ec6\u8bf4\u660e\u90a3\u592a\u591a\u4e86\uff0c\u6240\u4ee5\u7b80\u5355\u8d77\u89c1\u5927\u5bb6\u53ea\u7528\u77e5\u9053\uff1a\u8fd9\u4e2amatrix\u5b58\u50a8\u4e86\u67d0\u4e00\u56fe\u5f62\u8ddd\u79bb\u5b83\u521d\u59cb\u5f62\u6001\u7684\u6c34\u5e73\u504f\u79fb\u91cf\u3001\u5782\u76f4\u504f\u79fb\u91cf\u3001\u7f29\u653e\u7cfb\u6570\u3001\u65cb\u8f6c\u89d2\u5ea6\u3001\u503e\u659c\u89d2\u5ea6\u7b49\u53c2\u6570\u4fe1\u606f\uff0c\u5f53\u8981\u53d1\u751f\u53d8\u6362\u65f6\uff0c\u53ea\u7528\u628a\u56fe\u5f62\u521d\u59cb\u5f62\u6001\u7684\u5750\u6807\u548c\u8fd9\u4e2a\u53d8\u6362\u77e9\u9635\u505a\u524d\u4e58\u3001\u540e\u4e58\u3001\u76f8\u52a0\u7b49\u8fd0\u7b97\uff0c\u5373\u53ef\u5f97\u5230\u65b0\u56fe\u5f62\u7684\u5f62\u6001\u3002<\/p>\n\n\n\n<p>\u6240\u4ee5\uff0c\u8868\u9762\u4e0a\u770b\u4f3c\u662f\u5728\u5bf9\u56fe\u5f62\u8fdb\u884c\u53d8\u6362\uff0c\u4f46\u5b9e\u8d28\u662f\u5bf9pel.path\u5728\u4e2d\u5c01\u88c5\u7684Matrix matrix\u8fdb\u884c\u53d8\u6362\uff0c\u6211\u4eec\u7684\u4efb\u52a1\u662f\u9700\u8981\u83b7\u53d6\u8fd9\u4e2amatrix\uff0c\u7136\u540e\u8c03\u7528Matrix\u7c7b\u63d0\u4f9b\u7684\u5404\u79cd\u65b9\u6cd5\u53bb\u53d8\u6362\u8be5\u77e9\u9635\u5373\u53ef\u3002\u4e0b\u9762\u662f\u83b7\u53d6matrix\u7684\u4ee3\u7801\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"null\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">public Matrix getMatrix(Pel pel)\n{\n    Matrix matrix = new Matrix();\n    PathMeasure pathMeasure = new PathMeasure(pel.path, true); \/\/ \u5fc5\u987b\u5148\u5c06Path\u5c01\u88c5\u6210PathMeasure\n    pathMeasure.getMatrix(pathMeasure.getLength(),matrix, PathMeasure.POSITION_MATRIX_FLAG &amp; PathMeasure.TANGENT_MATRIX_FLAG);\n\n    return matrix;\n}<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">\u5e73\u79fb\u64cd\u4f5c<\/h3>\n\n\n\n<p>\u5e73\u79fb\u5f88\u7b80\u5355\uff0c\u7531\u4e8e\u9009\u4e2d\u7684\u65f6\u5019\u8bb0\u5f55\u4e86\u843d\u70b9\u5750\u6807\uff0c\u800c\u79fb\u52a8\u7684\u65f6\u5019\u53c8\u4f1a\u5b9e\u65f6\u6355\u83b7\u624b\u6307\u5f53\u524d\u6240\u5728\u7684\u5750\u6807\uff0c\u901a\u8fc7\u8fd9\u4e24\u4e2a\u5750\u6807\u5f88\u5bb9\u6613\u8ba1\u7b97\u51fa\u504f\u79fb\u8ddd\u79bbdx\u548cdy\uff0c\u4ee5\u5b83\u4eec\u4f5c\u4e3a\u53d8\u6362\u53c2\u6570\uff0c\u66f4\u65b0\u9009\u4e2d\u56fe\u5f62\u539f\u59cb\u7684\u53d8\u6362\u77e9\u9635\uff0c\u6700\u540e\u5237\u65b0\uff0c\u5b9e\u73b0\u5e73\u79fb\uff0c\u5982\u4e0b\u56fe\u53ca\u4e0b\u9762\u4ee3\u7801\u6240\u793a\uff1a<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img loading=\"lazy\" decoding=\"async\" width=\"208\" height=\"176\" src=\"http:\/\/yaochenkun.site\/wp-content\/uploads\/2016\/07\/translate.png\" alt=\"translate\" class=\"wp-image-488\"\/><\/figure><\/div>\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img loading=\"lazy\" decoding=\"async\" width=\"539\" height=\"91\" src=\"http:\/\/yaochenkun.site\/wp-content\/uploads\/2016\/07\/dragt.png\" alt=\"dragt\" class=\"wp-image-489\" srcset=\"http:\/\/yaochenkun.site\/wp-content\/uploads\/2016\/07\/dragt.png 539w, http:\/\/yaochenkun.site\/wp-content\/uploads\/2016\/07\/dragt-300x51.png 300w\" sizes=\"(max-width: 539px) 100vw, 539px\" \/><\/figure><\/div>\n\n\n<p><\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"null\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">if (mode == DRAG)\/\/ \u5e73\u79fb\u64cd\u4f5c\n{\n    dx = curPoint.x - downPoint.x;\/\/\u8ba1\u7b97\u8ddd\u79bb\n    dy = curPoint.y - downPoint.y;\n\n    \/\/ \u5bf9\u9009\u4e2d\u56fe\u5143\u65bd\u884c\u5e73\u79fb\u53d8\u6362\n    transMatrix.set(savedMatrix);\n    transMatrix.postTranslate(dx, dy); \/\/ \u4f5c\u7528\u4e8e\u5e73\u79fb\u53d8\u6362\u56e0\u5b50\n\n    (selectedPel.path).set(savedPel.path);\n    (selectedPel.path).transform(transMatrix); \/\/ \u4f5c\u7528\u4e8e\u56fe\u5143\n    (selectedPel.region).setPath(selectedPel.path, clipRegion); \/\/ \u66f4\u65b0\u5e73\u79fb\u540e\u8def\u5f84\u6240\u5728\u533a\u57df\n}<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">\u7f29\u653e\u64cd\u4f5c<\/h3>\n\n\n\n<p>\u7f29\u653e\u5c31\u8981\u7a0d\u5fae\u590d\u6742\u70b9\u4e86\uff0c\u4f46\u53ea\u8981\u7a0d\u5fae\u60f3\u4e00\u4e0b\u54b1\u4eec\u5e73\u65f6\u7528\u667a\u80fd\u624b\u673a\u7f29\u653e\u56fe\u7247\u7684\u8fc7\u7a0b\uff0c\u4e5f\u662f\u8f7b\u800c\u6613\u4e3e\u7684\u3002\u5176\u5b9e\uff0c\u7f29\u653e\u8fc7\u7a0b\u53ef\u4ee5\u7b80\u5355\u62bd\u8c61\u4e3a\u4e0b\u56fe\u6240\u793a\uff1a<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img loading=\"lazy\" decoding=\"async\" width=\"236\" height=\"71\" src=\"http:\/\/yaochenkun.site\/wp-content\/uploads\/2016\/07\/zoom.png\" alt=\"zoom\" class=\"wp-image-498\"\/><\/figure><\/div>\n\n\n<p>\u5176\u4e2dB1\u548cB2\u4e3a\u4e24\u4e2a\u624b\u6307\u7684\u843d\u70b9\uff0c\u901a\u8fc7\u4ed6\u4fe9\u53ef\u4ee5\u7b97\u5f97\u7f29\u653e\u4e2d\u5fc3\uff0cB1&#8217;\u548cB2&#8217;\u662f\u4e24\u4e2a\u624b\u6307\u79fb\u52a8\u70b9\u3002\u4efb\u52a1\u5f88\u660e\u786e\u5566\uff0c\u6211\u4eec\u53ea\u9700\u7b97\u51fa\u7f29\u653e\u4e2d\u5fc3+\u7f29\u653e\u6bd4\u4f8b\uff0c\u5373\u53ef\u5b9e\u73b0\u7f29\u653e\u3002\u4f46\u95ee\u9898\u5c31\u662f\u8fd9\u4e2a\u7f29\u653e\u6bd4\u4f8b\u600e\u4e48\u8ba1\u7b97\u624d\u66f4\u5408\u7406\u5462\uff1fB1B2\u662f\u56fe\u5f62\u7684\u521d\u59cb\u8ddd\u79bb\uff0cB1&#8217;B2&#8217;\u662f\u56fe\u5f62\u7f29\u653e\u540e\u7684\u8ddd\u79bb\uff0c\u201c\u4e24\u8005\u7684\u6bd4\u201d\u5176\u5b9e\u5c31\u53ef\u4ee5\u5927\u81f4\u8868\u5f81\u8fd9\u4e2a\u7f29\u653e\u6bd4\u4f8b\uff0c\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img loading=\"lazy\" decoding=\"async\" width=\"539\" height=\"112\" src=\"http:\/\/yaochenkun.site\/wp-content\/uploads\/2016\/07\/zoomt.png\" alt=\"zoomt\" class=\"wp-image-500\" srcset=\"http:\/\/yaochenkun.site\/wp-content\/uploads\/2016\/07\/zoomt.png 539w, http:\/\/yaochenkun.site\/wp-content\/uploads\/2016\/07\/zoomt-300x62.png 300w\" sizes=\"(max-width: 539px) 100vw, 539px\" \/><\/figure><\/div>\n\n\n<p><\/p>\n\n\n\n<p>\u7f29\u653e\u7684\u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"null\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">if (mode == ZOOM)\/\/ \u7f29\u653e\u64cd\u4f5c\n{\n    float scale = newDist \/ oriDist;\n\n    transMatrix.set(savedMatrix);\n    transMatrix.postScale(scale, scale, centerPoint.x,centerPoint.y); \/\/ \u4f5c\u7528\u4e8e\u7f29\u653e\u53d8\u6362\u56e0\u5b50\n\n    (selectedPel.path).set(savedPel.path);\n    (selectedPel.path).transform(transMatrix); \/\/ \u4f5c\u7528\u4e8e\u56fe\u5143\n    (selectedPel.region).setPath(selectedPel.path, clipRegion); \/\/ \u66f4\u65b0\u5e73\u79fb\u540e\u8def\u5f84\u6240\u5728\u533a\u57df\n}<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">\u65cb\u8f6c\u64cd\u4f5c<\/h3>\n\n\n\n<p>\u65cb\u8f6c\u5c31\u66f4\u662f\u590d\u6742\u4e86\uff0c\u4f46\u4e07\u53d8\u4e0d\u79bb\u5176\u5b97\uff0c\u6211\u4eec\u8fd8\u662f\u7528\u8001\u65b9\u6cd5\uff0c\u628a\u590d\u6742\u95ee\u9898\u62bd\u8c61\u6210\u4e00\u4e2a\u7b80\u5355\u7684\u56fe\u5206\u6790\uff0c\u5982\u4e0b\u56fe\uff1a<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img loading=\"lazy\" decoding=\"async\" width=\"200\" height=\"196\" src=\"http:\/\/yaochenkun.site\/wp-content\/uploads\/2016\/07\/rotate.png\" alt=\"rotate\" class=\"wp-image-502\"\/><\/figure><\/div>\n\n\n<p><\/p>\n\n\n\n<p>C1\u548cC2\u662f\u843d\u70b9\uff0cC1&#8217;\u548cC2&#8217;\u662f\u79fb\u52a8\u70b9\uff0cO\u662f\u65cb\u8f6c\u4e2d\u5fc3\u3002\u5f52\u6839\u7a76\u5e95\uff0c\u6211\u4eec\u4e0d\u5916\u4e4e\u5c31\u662f\u60f3\u8981C1OC1&#8217;\u8fd9\u4e2a\u89d2\u5ea6\uff0c\u6709\u4e86\u5b83\u5c31\u80fd\u63a7\u5236\u56fe\u5f62\u7684\u65cb\u8f6c\u3002\u90a3\u600e\u4e48\u7b97\u8fd9\u4e2a\u89d2\u5ea6\u5462\uff1f\u4ee5\u524d\u4e0a\u4e2d\u5b66\u7684\u65f6\u5019\u6709\u4e2a\u516c\u5f0f\u4e0d\u77e5\u9053\u5927\u5bb6\u8fd8\u8bb0\u5f97\u4e0d\uff0c\u6211\u4eec\u7528\u767d\u8bdd\u5f62\u5bb9\u4e00\u4e0b\u5c31\u662f\uff1a\u4e00\u4e2a\u5706\uff0c\u53ea\u8981\u77e5\u9053\u4e86\u4e00\u6bb5\u5f27\u548c\u534a\u5f84\u7684\u957f\u5ea6\uff0c\u5c31\u80fd\u6c42\u5f97\u5706\u5fc3\u89d2\u7684\u5f27\u5ea6\u503c\u3002\u6709\u4e86\u5f27\u5ea6\u503c\u518d\u505a\u4e2a\u8f6c\u6362\uff0c\u81ea\u7136\u5c31\u80fd\u6c42\u5230\u5ea6\u6570\u503c\u4e86\u3002\u5c31\u50cf\u5982\u4e0b\u6240\u793a\u4e00\u6837\uff1a<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img loading=\"lazy\" decoding=\"async\" width=\"538\" height=\"111\" src=\"http:\/\/yaochenkun.site\/wp-content\/uploads\/2016\/07\/rotatet.png\" alt=\"rotatet\" class=\"wp-image-503\" srcset=\"http:\/\/yaochenkun.site\/wp-content\/uploads\/2016\/07\/rotatet.png 538w, http:\/\/yaochenkun.site\/wp-content\/uploads\/2016\/07\/rotatet-300x62.png 300w\" sizes=\"(max-width: 538px) 100vw, 538px\" \/><\/figure><\/div>\n\n\n<p><\/p>\n\n\n\n<p>\u4f46\u8fd9\u91cc\u9700\u8981\u6ce8\u660e\u4e00\u70b9\uff0c\u5c31\u662f\u8fd9\u6bb5\u5f27\u957f\u662f\u4e00\u4e2a\u8fd1\u4f3c\u7684\u957f\u5ea6\uff0c\u662f\u7528\u5f26C1C1&#8217;\u53bb\u8fd1\u4f3c\u6a21\u62df\u7684\uff0c\u56e0\u4e3a\u771f\u6b63\u7684\u5f27\u957f\u57fa\u672c\u4e0d\u53ef\u80fd\u8ba1\u7b97\u51fa\u6765\uff0c\u4e5f\u6ca1\u6709\u5fc5\u8981\u7b97\u51fa\u6765\uff0c\u5c31\u7b97\u7b97\u51fa\u6765\u4e86\u4e5f\u4f1a\u5f88\u6162\uff0c\u5bfc\u81f4\u65cb\u8f6c\u8fc7\u7a0b\u7684\u4e0d\u6d41\u7545\u3002\u4e0b\u9762\u662f\u4ee3\u7801\uff1a<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"null\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">if (mode == ROTATE)\/\/ \u65cb\u8f6c\u64cd\u4f5c\n{\n    transMatrix.set(savedMatrix);\n    transMatrix.setRotate(getDegree(),centerPoint.x,centerPoint.y);\n\n    (selectedPel.path).set(savedPel.path);\n    (selectedPel.path).transform(transMatrix); \/\/ \u4f5c\u7528\u4e8e\u56fe\u5143\n    (selectedPel.region).setPath(selectedPel.path, clipRegion); \/\/ \u66f4\u65b0\u5e73\u79fb\u540e\u8def\u5f84\u6240\u5728\u533a\u57df\n}<\/pre>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"null\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ \u8ba1\u7b97\u65cb\u8f6c\u89d2\u5ea6\nprivate float getDegree()\n{\n    \/\/ \u83b7\u5f97\u4e24\u6b21down\u4e0b\u65f6\u7684\u8ddd\u79bb\n    float x=curPoint.x-downPoint.x;\n    float y=curPoint.y-downPoint.y;\n\n    float arc=FloatMath.sqrt(x * x + y * y);\/\/\u5f27\u957f\n    float radius=getRadius();\/\/\u534a\u5f84\n\n    return (arc\/radius)*(180\/3.14f);\n}<\/pre>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"null\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ \u8ba1\u7b97\u4e24\u4e2a\u89e6\u6478\u70b9\u4e4b\u95f4\u7684\u8ddd\u79bb\nprivate float distance()\n{\n    float x = curPoint.x - secPoint.x;\n    float y = curPoint.y - secPoint.y;\n    return FloatMath.sqrt(x * x + y * y) \/ 2;\n}<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">\u62f7\u8d1d\u64cd\u4f5c<\/h3>\n\n\n\n<p>\u9009\u4e2d\u67d0\u4e2a\u56fe\u5f62\u540e\uff0c\u70b9\u51fb\u62f7\u8d1d\u6309\u94ae\uff0c\u5c31\u590d\u5236\u51fa\u4e86\u4e00\u4e2a\u4e00\u6a21\u4e00\u6837\u7684\u56fe\u5f62\u5728\u753b\u5e03\u4e0a\u3002\u8fd9\u4e2a\u529f\u80fd\u7684\u5b9e\u73b0\u975e\u5e38\u7b80\u5355\uff0c\u53ea\u9700\u8981\u6839\u636e\u5f53\u524d\u9009\u4e2d\u7684\u56fe\u5f62selectedPel\u7684\u4fe1\u606f\uff0c\u53bb\u6784\u9020\u4e00\u4e2a\u5b8c\u5168\u76f8\u540c\u7684\u53e6\u4e00\u56fe\u5f62\u5bf9\u8c61\uff0c\u5e76\u5c06\u5176\u6dfb\u52a0\u81f3pelList\u5c3e\u90e8\uff0c\u5237\u65b0\u753b\u5e03\u5373\u53ef\uff0c\u8fd9\u91cc\u5c31\u4e0d\u8d34\u4ee3\u7801\u4e86\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u5220\u9664\u64cd\u4f5c<\/h3>\n\n\n\n<p>\u9009\u4e2d\u67d0\u4e2a\u56fe\u5f62\u540e\uff0c\u70b9\u51fb\u5220\u9664\u6309\u94ae\uff0c\u753b\u5e03\u4e0a\u7684\u8fd9\u4e2a\u56fe\u5f62\u5c31\u4e0d\u590d\u5b58\u5728\u4e86\u3002\u8fd9\u4e2a\u529f\u80fd\u4e5f\u975e\u5e38\u7b80\u5355\uff0c\u552f\u4e00\u9700\u8981\u6ce8\u610f\u7684\u662f\u4e0d\u80fd\u5220\u9664selectedPel\u5c31\u4e86\u4e8b\u4e86\uff0c\u800c\u8981\u5728\u8fd9\u4e4b\u524d\uff0c\u5148\u904d\u5386pelList\uff0c\u6839\u636e\u8fd9\u4e2aselectedPel\u5f15\u7528\u627e\u5230\u5b83\u5728pelList\u4e2d\u7684\u4f4d\u7f6e\uff0c\u5e76\u5220\u9664\uff0c\u6700\u540e\u5237\u65b0\u753b\u5e03\u3002\u540c\u6837\u6bd4\u8f83\u7b80\u5355\uff0c\u8fd9\u91cc\u4e0d\u8d34\u4ee3\u7801\u4e86\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u7ed3\u8bed<\/h3>\n\n\n\n<p>\u672c\u7ae0\u5c31\u5feb\u8981\u5230\u4e00\u6bb5\u843d\u4e86\uff0c\u4e0d\u77e5\u9053\u590d\u6742\u7684\u7f16\u8f91\u64cd\u4f5c\u6709\u6ca1\u6709\u53d8\u5f97\u7b80\u5355\u4e00\u4e9b\u5462\uff1f\u4f46\u8fd9\u91cc\u4f3c\u4e4e\u8fd8\u662f\u6709\u4e00\u4e2a\u4ea4\u4e92\u4e0a\u7684\u95ee\u9898\u6ca1\u6709\u89e3\u51b3\uff1a<\/p>\n\n\n\n<p>\u9009\u4e2d\u56fe\u5f62\u4ee5\u540e\u53ef\u4ee5\u5e73\u79fb\u3001\u7f29\u653e\u548c\u65cb\u8f6c\uff0c\u6211\u4eec\u5206\u522b\u7528\u4e86DRAG\u3001ZOOM\u3001ROTATE\u6765\u6807\u5fd7\u72b6\u6001\uff0c\u4f46\u5176\u4e2d\u5e73\u79fb\u64cd\u4f5c\u662f\u5355\u6307\u64cd\u4f5c\uff0c\u800c\u7f29\u653e\u548c\u65cb\u8f6c\u90fd\u662f\u591a\u6307\u64cd\u4f5c\uff0c\u5e73\u79fb\u5012\u662f\u5f88\u597d\u548c\u5176\u5b83\u4e8c\u4f4d\u533a\u5206\uff0c\u4f46\u7f29\u653e\u548c\u65cb\u8f6c\u5c31\u5f88\u96be\u533a\u5206\u4e86\uff0c\u90fd\u662f\u5148\u843d\u4e0b\u4e24\u53ea\u624b\u6307\u518d\u8fdb\u884c\u64cd\u4f5c\uff0c\u4e14\u4ed6\u4fe9\u7684\u64cd\u4f5c\u975e\u5e38\u76f8\u4f3c\uff0c\u60a8\u89c9\u5f97\u8fd9\u91cc\u5e94\u8be5\u5982\u4f55\u53bb\u8bbe\u7f6e\u4e00\u4e2a\u201c\u4e34\u754c\u6761\u4ef6\u201d\u6765\u4f5c\u4e3a\u4e24\u64cd\u4f5c\u7684\u5206\u6c34\u5cad\uff0c\u4ece\u800c\u81ea\u7136\u800c\u4eba\u6027\u5316\u5730\u5b8c\u6210\u4ea4\u4e92\u5462\uff1f\u6211\u8fd9\u91cc\u4e5f\u6709\u4e00\u4e2a\u81ea\u5df1\u5199\u7684\u65b9\u6848\uff0c\u6548\u679c\u8fd8\u4e0d\u9519\uff0c\u4e5f\u5f88\u7b26\u5408\u4eba\u7684\u601d\u7ef4\u3002\u5982\u679c\u5b9e\u5728\u6ca1\u6709\u5934\u7eea\u7684\u8bdd\uff0c\u53ef\u4ee5\u53bb<span style=\"color: #7cc576;\"><a style=\"color: #7cc576;\" href=\"http:\/\/github.com\/yaochenkun\">\u6211\u7684GitHub<\/a><\/span>\u4e0b\u8f7d\u6e90\u7801\u53c2\u8003\u3002<\/p>\n\n\n\n<p>\u4eca\u5929\u5c31\u5148\u5230\u8fd9\u91cc\u5566\uff0c\u4e0b\u4e00\u7ae0\u8bb2\u89e3\u4e00\u4e0b\u7ed8\u56fe\u8f6f\u4ef6\uff08\u4e0d\uff0c\u5b8f\u89c2\u8bf4\u5e94\u8be5\u662f\u6570\u5b57\u7f16\u8f91\u8f6f\u4ef6\uff09\u4e2d\u201c\u64a4\u9500\uff08undo\uff09\u201d\u548c\u201c\u91cd\u505a\uff08redo\uff09\u201d\u7684\u4e00\u79cd\u6709\u6548\u7684\u5b9e\u73b0\u65b9\u6848\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5f15\u8a00 \u56fe\u5f62\u5e76\u4e0d\u662f\u753b\u4e86\u5c31\u753b\u4e86\uff0c\u7528\u6237\u5b8c\u5168\u53ef\u4ee5\u5728\u63a5\u4e0b\u6765\u5bf9\u4efb\u4e00\u56fe\u5f62\u8fdb\u884c\u540e\u671f\u7f16\u8f91\uff0c\u800c\u7f16\u8f91\u64cd\u4f5c\u5305\u62ec\uff1a\u9009\u4e2d\u3001\u5e73\u79fb\u3001\u7f29\u653e\u3001\u65cb\u8f6c [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[41,42,48],"tags":[],"_links":{"self":[{"href":"http:\/\/yaochenkun.site\/index.php\/wp-json\/wp\/v2\/posts\/471"}],"collection":[{"href":"http:\/\/yaochenkun.site\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/yaochenkun.site\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/yaochenkun.site\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/yaochenkun.site\/index.php\/wp-json\/wp\/v2\/comments?post=471"}],"version-history":[{"count":42,"href":"http:\/\/yaochenkun.site\/index.php\/wp-json\/wp\/v2\/posts\/471\/revisions"}],"predecessor-version":[{"id":3167,"href":"http:\/\/yaochenkun.site\/index.php\/wp-json\/wp\/v2\/posts\/471\/revisions\/3167"}],"wp:attachment":[{"href":"http:\/\/yaochenkun.site\/index.php\/wp-json\/wp\/v2\/media?parent=471"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/yaochenkun.site\/index.php\/wp-json\/wp\/v2\/categories?post=471"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/yaochenkun.site\/index.php\/wp-json\/wp\/v2\/tags?post=471"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}