{"id":925,"date":"2021-09-22T20:37:17","date_gmt":"2021-09-22T12:37:17","guid":{"rendered":"http:\/\/www.wayln.com\/?p=925"},"modified":"2021-09-22T20:37:17","modified_gmt":"2021-09-22T12:37:17","slug":"%e7%94%bb%e5%88%b7","status":"publish","type":"post","link":"https:\/\/www.wayln.com\/?p=925","title":{"rendered":"\u753b\u5237"},"content":{"rendered":"<div id=\"toc_container\" class=\"toc_transparent no_bullets\"><p class=\"toc_title\">Contents<\/p><ul class=\"toc_list\"><li><a href=\"#SolidColorBrush\"><span class=\"toc_number toc_depth_1\">1<\/span> SolidColorBrush\u753b\u5237<\/a><\/li><li><a href=\"#LinearGradientBrush\"><span class=\"toc_number toc_depth_1\">2<\/span> LinearGradientBrush\u753b\u5237<\/a><\/li><li><a href=\"#RadialGradientBrush\"><span class=\"toc_number toc_depth_1\">3<\/span> RadialGradientBrush\u753b\u5237<\/a><\/li><li><a href=\"#ImageBrush\"><span class=\"toc_number toc_depth_1\">4<\/span> ImageBrush\u753b\u5237<\/a><\/li><li><a href=\"#VisualBrush\"><span class=\"toc_number toc_depth_1\">5<\/span> VisualBrush\u753b\u5237<\/a><\/li><li><a href=\"#BitmapCacheBrush\"><span class=\"toc_number toc_depth_1\">6<\/span> BitmapCacheBrush\u753b\u5237<\/a><\/li><\/ul><\/div>\n<p>\u4e0e\u753b\u5237\u76f8\u5173\u7684\u66f4\u57fa\u672c\u7684\u65b9\u9762<br \/>\n&#8211; \u753b\u5237\u652f\u6301\u66f4\u6539\u901a\u77e5\uff0c\u56e0\u4e3a\u4ed6\u4eec\u7ee7\u627f\u81eaFreezable\u7c7b\u3002\u56e0\u6b64\uff0c\u5982\u679c\u6539\u53d8\u4e86\u753b\u5237\uff0c\u4efb\u4f55\u4f7f\u7528\u753b\u5237\u7684\u5143\u7d20\u90fd\u4f1a\u81ea\u52a8\u91cd\u65b0\u7ed8\u5236\u81ea\u8eab\u3002<br \/>\n&#8211; \u753b\u5237\u652f\u6301\u90e8\u5206\u900f\u660e\u3002\u4e3a\u6b64\uff0c\u53ea\u9700\u8981\u4fee\u6539Opacity\u5c5e\u6027\uff0c\u4f7f\u80cc\u666f\u80fd\u591f\u900f\u8fc7\u524d\u9762\u7684\u5185\u5bb9\u8fdb\u884c\u663e\u793a\u3002<br \/>\n&#8211; \u901a\u8fc7SystemBrushes\u7c7b\u53ef\u4ee5\u8bbf\u95ee\u8fd9\u6837\u7684\u753b\u5237\uff1a\u6b64\u7c7b\u753b\u5237\u4f7f\u7528Windows\u7cfb\u7edf\u8bbe\u7f6e\u4e3a\u5f53\u524d\u8ba1\u7b97\u5b9a\u4e49\u7684\u9996\u9009\u989c\u8272\u3002<\/p>\n<p>\u753b\u5237\u7c7b<\/p>\n<table>\n<thead>\n<tr>\n<th>\u540d\u79f0<\/th>\n<th>\u8bf4\u660e<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>SolidColorBrush<\/td>\n<td>\u4f7f\u7528\u5355\u4e00\u7684\u8fde\u7eed\u989c\u8272\u7ed8\u5236\u533a\u57df<\/td>\n<\/tr>\n<tr>\n<td>LinearGradientBrush<\/td>\n<td>\u4f7f\u7528\u6e10\u53d8\u586b\u5145\u7ed8\u5236\u533a\u57df\uff0c\u6e10\u53d8\u5230\u9634\u5f71\u586b\u5145\u4ece\u4e00\u79cd\u989c\u8272\u53d8\u5316\u5230\u53e6\u4e00\u79cd\u989c\u8272<\/td>\n<\/tr>\n<tr>\n<td>RadialGradientBrush<\/td>\n<td>\u4f7f\u7528\u5f84\u5411\u6e10\u53d8\u586b\u5145\u7ed8\u5236\u533a\u57df\uff0c\u9664\u4e86\u662f\u5728\u5706\u5f62\u6a21\u5f0f\u4e2d\u4ece\u4e2d\u5fc3\u70b9\u5411\u5916\u90e8\u8f90\u5c04\u6e10\u53d8\u4e4b\u5916\uff0c\u8fd9\u79cd\u753b\u5237\u548c\u7ebf\u6027\u6e10\u53d8\u753b\u5237\u7c7b\u4f3c<\/td>\n<\/tr>\n<tr>\n<td>ImageBrush<\/td>\n<td>\u4f7f\u7528\u53ef\u88ab\u62c9\u4f38\u3001\u7f29\u653e\u6216\u5e73\u94fa\u7684\u56fe\u50cf\u7ed8\u5236\u533a\u57df<\/td>\n<\/tr>\n<tr>\n<td>DrawingBrush<\/td>\n<td>\u4f7f\u7528Drawing\u5bf9\u8c61\u7ed8\u5236\u533a\u57df\uff0c\u8be5\u5bf9\u8c61\u53ef\u4ee5\u5305\u542b\u5df2\u7ecf\u5b9a\u4e49\u7684\u5f62\u72b6\u548c\u4f4d\u56fe<\/td>\n<\/tr>\n<tr>\n<td>VisualBrush<\/td>\n<td>\u4f7f\u7528Visual\u5bf9\u8c61\u7ed8\u5236\u533a\u57df\u3002\u56e0\u4e3a\u6240\u6709WPF\u5143\u7d20\u90fd\u7ee7\u627f\u81eaVisual\u7c7b\uff0c\u6240\u4ee5\u53ef\u4f7f\u7528\u8be5\u753b\u5237\u5c06\u90e8\u5206\u7528\u6237\u754c\u9762\u590d\u5236\u5230\u53e6\u4e00\u4e2a\u533a\u57df\u3002\u5f53\u521b\u5efa\u7279\u6b8a\u6548\u679c\u65f6\uff0c\u6bd4\u5982\u90e8\u5206\u53cd\u5c04\u6548\u679c\uff0c\u8be5\u753b\u5237\u7279\u522b\u6709\u7528<\/td>\n<\/tr>\n<tr>\n<td>BitmapCacheBrush<\/td>\n<td>\u4f7f\u7528\u4eceVisual\u5bf9\u8c61\u7f13\u5b58\u7684\u5185\u5bb9\u7ed8\u5236\u533a\u57df\u3002\u8fd9\u79cd\u753b\u5237\u548cVisualBrush\u7c7b\u4f3c\uff0c\u4f46\u5982\u679c\u9700\u8981\u5728\u591a\u4e2a\u5730\u65b9\u91cd\u7528\u56fe\u5f62\u5185\u5bb9\u6216\u8005\u9891\u7e41\u5730\u91cd\u56de\u56fe\u5f62\u5185\u5bb9\uff0c\u8fd9\u79cd\u753b\u5237\u66f4\u9ad8\u6548<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u6240\u6709\u753b\u5237\u90fd\u4f4d\u4e8eSystem.Windows.Media\u547d\u540d\u7a7a\u95f4\u4e2d\u3002<\/p>\n<h2><span id=\"SolidColorBrush\">SolidColorBrush\u753b\u5237<\/span><\/h2>\n<pre><code class=\"language-CSharp line-numbers\">\/\/Create a brush from a named color\ncmd.background=new SolidColorBrush(Colors.AliceBlue);\n\n\/\/Create a brush from  a system color\ncmd.Background=SystemColors.ControlBrush;\n\n\/\/Create a brush from color values\nint red =0;\nint green=255;\nint blue=0;\ncmd.Foreground=new SolidColorBrush(Color.FromRgb(red,green,blue));\n<\/code><\/pre>\n<h2><span id=\"LinearGradientBrush\">LinearGradientBrush\u753b\u5237<\/span><\/h2>\n<pre><code class=\"language-XML line-numbers\">&lt;Rectangle Width=\"150\" Height=\"100\"&gt;\n    &lt;Rectangle.Fill&gt;\n        &lt;LinearGradientBrush&gt;\n            &lt;GradientStop Color=\"Blue\" Offset=\"0\" \/&gt;\n            &lt;GradientStop Color=\"White\" Offset=\"1\"\/&gt;\n        &lt;\/LinearGradientBrush&gt;\n    &lt;\/Rectangle.Fill&gt;\n&lt;\/Rectangle&gt;\n<\/code><\/pre>\n<h2><span id=\"RadialGradientBrush\">RadialGradientBrush\u753b\u5237<\/span><\/h2>\n<p>\u4e3a\u4e86\u6307\u5b9a\u7b2c\u4e00\u79cd\u989c\u8272\u5728\u6e10\u53d8\u4e2d\u7684\u5f00\u59cb\u70b9\uff0c\u9700\u8981\u4f7f\u7528GradientOrigin\u5c5e\u6027\uff0c\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u6e10\u53d8\u7684\u5f00\u59cb\u70b9\u662f\uff080.5,0.5\uff09\uff0c\u8be5\u70b9\u8868\u793a\u586b\u5145\u533a\u57df\u7684\u4e2d\u5fc3<\/p>\n<pre><code class=\"language-XML line-numbers\">&lt;Ellipse Margin=\"5\" Stroke=\"Black\" StrokeThickness=\"1\" Width=\"200\" Height=\"200\"&gt;\n    &lt;Ellipse.Fill&gt;\n        &lt;RadialGradientBrush RadiusX=\"1\" RadiusY=\"1\" GradientOrigin=\"0.7,0.3\"&gt;\n            &lt;GradientStop Color=\"White\" Offset=\"0\"\/&gt;\n            &lt;GradientStop Color=\"Blue\" Offset=\"1\"\/&gt;\n        &lt;\/RadialGradientBrush&gt;\n    &lt;\/Ellipse.Fill&gt;\n&lt;\/Ellipse&gt;\n<\/code><\/pre>\n<h2><span id=\"ImageBrush\">ImageBrush\u753b\u5237<\/span><\/h2>\n<pre><code class=\"language-XML line-numbers\">&lt;Grid&gt;\n    &lt;Grid.Background&gt;\n        &lt;ImageBrush ImageSource=\"logo.jpg\"&gt;&lt;\/ImageBrush&gt;\n    &lt;\/Grid.Background&gt;\n&lt;\/Grid&gt;\n<\/code><\/pre>\n<h2><span id=\"VisualBrush\">VisualBrush\u753b\u5237<\/span><\/h2>\n<pre data-language=XML><code class=\"language-markup line-numbers\">&lt;Button Name=\"cmd\" Margin=\"3\" Padding=\"5\"&gt;Is this a real button&gt;&lt;\/Button&gt;\n&lt;Rectangle Margin=\"3\" Height=\"100\"&gt;\n    &lt;Rectangle.Fill&gt;\n        &lt;VisualBrush Visual=\"{Binding ElementName=cmd}\"&gt;&lt;\/VisualBrush&gt;\n    &lt;\/Rectangle.Fill&gt;\n&lt;\/Rectangle&gt;\n<\/code><\/pre>\n<h2><span id=\"BitmapCacheBrush\">BitmapCacheBrush\u753b\u5237<\/span><\/h2>\n<p>\u8be5\u753b\u5237\u91c7\u7528\u53ef\u89c6\u5316\u5185\u5bb9\u5e76\u8981\u6c42\u663e\u5361\u5728\u663e\u5b58\u4e2d\u5b58\u50a8\u8be5\u5185\u5bb9\uff0c\u5f53\u9700\u8981\u65f6\u523b\u5feb\u901f\u5730\u91cd\u65b0\u7ed8\u5236\u5185\u5bb9\uff0c\u800c\u4e0d\u5fc5\u8981\u6c42WPF\u6267\u884c\u4efb\u4f55\u989d\u5916\u5de5\u4f5c\u3002<br \/>\n\u4e3a\u4e86\u914d\u7f6e\u4f4d\u56fe\u7f13\u5b58\uff0c\u8bbe\u7f6eBitmapCacheBrush.BitmapCache\u5c5e\u6027<\/p>\n<pre data-language=XML><code class=\"language-markup line-numbers\">&lt;Button Name=\"cmd\" Margin=\"3\" Padding=\"5\"&gt;Is this a real button?&lt;\/Button&gt;\n&lt;Rectangle Margin=\"3\" Height=\"100\"&gt;\n    &lt;Rectangle.Fill&gt;\n        &lt;BitmapCacheBrush Target=\"{Binding ElementName=cmd}\"\n                          BitmapCache=\"BitmapCache\"&gt;&lt;\/BitmapCacheBrush&gt;\n    &lt;\/Rectangle.Fill&gt;\n&lt;\/Rectangle&gt;\n<\/code><\/pre>\n<p>BitmapCacheBrush\u753b\u5237\u5b58\u5728\u4e25\u91cd\u7f3a\u70b9\uff1a\u6e32\u67d3\u4f4d\u56fe\u4ee5\u53ca\u5c06\u5176\u590d\u5236\u5230\u663e\u5b58\u7684\u5904\u4e8b\u4e0d\u5468\u9700\u8981\u6bd4\u8f83\u77ed\u4f46\u53ef\u5bdf\u89c9\u5230\u7684\u989d\u5916\u65f6\u95f4\u3002\u5728\u4f20\u7edf\u7a97\u53e3\u4e2d\uff0c\u8be5\u753b\u5237\u8d77\u4e0d\u5230\u591a\u5927\u5e2e\u52a9\u4f5c\u7528<br \/>\n\u7136\u800c\uff0c\u5982\u679c\u5728\u7528\u6237\u754c\u9762\u4e2d\u5927\u91cf\u4f7f\u7528\u52a8\u753b\uff0c\u503c\u5f97\u8003\u8651\u4f7f\u7528\u4f4d\u56fe\u7f13\u5b58\u3002\u53ef\u80fd\u66f4\u613f\u610f\u901a\u8fc7\u4e3a\u6bcf\u4e2a\u5e0c\u671b\u7f13\u5b58\u7684\u5143\u7d20\u8bbe\u7f6e\u66f4\u9ad8\u57fa\u7684UIElement.CacheMode\u5c5e\u6027\u6765\u5e94\u7528\u7f13\u5b58\u3002\u5bf9\u4e8e\u8fd9\u79cd\u60c5\u51b5\uff0cWPF\u5728\u540e\u53f0\u4f7f\u7528BitmapCacheBrush\u753b\u5237\u83b7\u53d6\u76f8\u540c\u7684\u6548\u679c\uff0c\u4f46\u9700\u8981\u505a\u7684\u5de5\u4f5c\u66f4\u5c11<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Contents1 SolidColorBrush\u753b\u52372 LinearGradientBrush\u753b\u52373 Rad [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4,35,36,2],"tags":[],"class_list":["post-925","post","type-post","status-publish","format-standard","hentry","category-c","category-wpf","category-2"],"_links":{"self":[{"href":"https:\/\/www.wayln.com\/index.php?rest_route=\/wp\/v2\/posts\/925","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.wayln.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.wayln.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.wayln.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.wayln.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=925"}],"version-history":[{"count":1,"href":"https:\/\/www.wayln.com\/index.php?rest_route=\/wp\/v2\/posts\/925\/revisions"}],"predecessor-version":[{"id":926,"href":"https:\/\/www.wayln.com\/index.php?rest_route=\/wp\/v2\/posts\/925\/revisions\/926"}],"wp:attachment":[{"href":"https:\/\/www.wayln.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=925"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.wayln.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=925"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.wayln.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=925"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}