{"id":341,"date":"2010-07-25T07:51:00","date_gmt":"2010-07-25T07:51:00","guid":{"rendered":"http:\/\/marvelliu.wordpress.com\/2010\/07\/25\/gdi%e4%b8%8b%e7%9a%84%e9%97%aa%e7%83%81%e9%97%ae%e9%a2%98"},"modified":"2010-07-25T07:51:00","modified_gmt":"2010-07-25T07:51:00","slug":"gdi%e4%b8%8b%e7%9a%84%e9%97%aa%e7%83%81%e9%97%ae%e9%a2%98","status":"publish","type":"post","link":"https:\/\/marvelliu.space\/?p=341","title":{"rendered":"GDI+\u4e0b\u7684\u95ea\u70c1\u95ee\u9898"},"content":{"rendered":"<p>\u753b\u591a\u4e2a\u70b9\u8fd0\u52a8\u7684\u65f6\u5019\uff0c\u7a97\u4f53\u4f1a\u95ea\u70c1\uff0c\u67e5\u4e86\u4e00\u4e0b\u7f51\u4e0a\u7684\u6587\u7ae0\uff0c\u8bf4\u662fOptimizedDoubleBuffer\u53ef\u4ee5\u51cf\u5c11\u95ea\u70c1\u3002\u4f46\u662f\u6211\u6dfb\u52a0\u4e86\u6548\u679c\u66f4\u5dee\uff0c\u6574\u4e2a\u7a97\u53e3\u7ecf\u5e38\u767d\u8272\u7684\u3002\u641c\u4e86\u6240\u6709\u6587\u7ae0\uff0c\u57fa\u672c\u4e0a\u6ca1\u6709\u6709\u7528\u7684\u3002<\/p>\n<p>\u540e\u6765\u7ecf\u8fc7\u591a\u6b21\u8bd5\u9a8c\uff0c\u624d\u4e86\u89e3\u4e86Graphics gc\u9700\u8981\u7528e.Graphics\u83b7\u5f97\uff0c\u800c\u4e0d\u80fd\u7528this.CreateGraphics\u83b7\u5f97\u3002<\/p>\n<p>\u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n<p>        private void initToolStripMenuItem_Click(object sender, EventArgs e)<br \/>        {<br \/>            Init();<br \/>            this.Invalidate();<\/p>\n<p>        }<\/p>\n<p>        protected override void OnPaint(PaintEventArgs e)<br \/>        {<br \/>            Graphics gc = e.Graphics;<br \/>            gc.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.HighSpeed;<br \/>            gc.CompositingQuality = System.Drawing.Drawing2D.CompositingQuality.HighSpeed;<br \/>            gc.TextRenderingHint = System.Drawing.Text.TextRenderingHint.SingleBitPerPixel;<br \/>            this.SetStyle(ControlStyles.OptimizedDoubleBuffer, true);<br \/>            this.SetStyle(ControlStyles.AllPaintingInWmPaint, true);<br \/>            this.SetStyle(ControlStyles.UserPaint, true);<br \/>            this.SetStyle(ControlStyles.ResizeRedraw, true);<\/p>\n<p>            base.OnPaint(e);<br \/>            &#8230;<br \/>        }<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u753b\u591a\u4e2a\u70b9\u8fd0\u52a8\u7684\u65f6\u5019\uff0c\u7a97\u4f53\u4f1a\u95ea\u70c1\uff0c\u67e5\u4e86\u4e00\u4e0b\u7f51\u4e0a\u7684\u6587\u7ae0\uff0c\u8bf4\u662fOptimizedDoubleBuffer\u53ef\u4ee5\u51cf\u5c11\u95ea\u70c1\u3002\u4f46\u662f\u6211\u6dfb\u52a0\u4e86\u6548\u679c\u66f4\u5dee\uff0c\u6574\u4e2a\u7a97\u53e3\u7ecf\u5e38\u767d\u8272\u7684\u3002\u641c\u4e86\u6240\u6709\u6587\u7ae0\uff0c\u57fa\u672c\u4e0a\u6ca1\u6709\u6709\u7528\u7684\u3002 \u540e\u6765\u7ecf\u8fc7\u591a\u6b21\u8bd5\u9a8c\uff0c\u624d\u4e86\u89e3\u4e86Graphics gc\u9700\u8981\u7528e.Graphics\u83b7\u5f97\uff0c\u800c\u4e0d\u80fd\u7528this.CreateGraphics\u83b7\u5f97\u3002 \u4ee3\u7801\u5982\u4e0b\uff1a private void initToolStripMenuItem_Click(object sender, EventArgs e) { Init(); this.Invalidate(); } protected override void OnPaint(PaintEventArgs e) { Graphics gc = e.Graphics; gc.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.HighSpeed; gc.CompositingQuality = System.Drawing.Drawing2D.CompositingQuality.HighSpeed; gc.TextRenderingHint = System.Drawing.Text.TextRenderingHint.SingleBitPerPixel; this.SetStyle(ControlStyles.OptimizedDoubleBuffer, true); this.SetStyle(ControlStyles.AllPaintingInWmPaint, true); this.SetStyle(ControlStyles.UserPaint, true); this.SetStyle(ControlStyles.ResizeRedraw, true); base.OnPaint(e); &#8230; }<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2,8],"tags":[],"class_list":["post-341","post","type-post","status-publish","format-standard","hentry","category-c","category-gdi"],"_links":{"self":[{"href":"https:\/\/marvelliu.space\/index.php?rest_route=\/wp\/v2\/posts\/341","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/marvelliu.space\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/marvelliu.space\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/marvelliu.space\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/marvelliu.space\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=341"}],"version-history":[{"count":0,"href":"https:\/\/marvelliu.space\/index.php?rest_route=\/wp\/v2\/posts\/341\/revisions"}],"wp:attachment":[{"href":"https:\/\/marvelliu.space\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=341"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/marvelliu.space\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=341"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/marvelliu.space\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=341"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}