cornerradius怎么用代码写一个圆角矩形？

CR1是什么元件

CR: corner radius；1就是代码了。

也就是第几个 CR:受控半径controlled radius主要是对于尺寸的公差的描述。

请参考上下文确定

电路板中CR1是什么?

CR: corner radius； CR:受控半径controlled radius主要是对于尺寸的公差的描述。

请参考上下文确定

怎么用代码写一个圆角矩形？

C# protected?void?Page_Load(object?sender,?EventArgs?e) { ????????Bitmap?bm?=?new?Bitmap(800,?600); ????????Graphics?g?=?Graphics.FromImage(bm); ????????g.FillRectangle(Brushes.White,new?Rectangle(0,0,800,600)); ????????FillRoundRectangle(g,Brushes.Plum,new?Rectangle(100,?100,?100,?100),?8); ????????DrawRoundRectangle(g,?Pens.Yellow,new?Rectangle(100,?100,?100,?100),?8); ????????bm.Save(Response.OutputStream,?ImageFormat.Jpeg); ????????g.Dispose(); ????????bm.Dispose(); } ?public?static?void?DrawRoundRectangle(Graphics?g,Pen?pen,Rectangle?rect,?int?cornerRadius) { ????????using?(GraphicsPath?path?=?CreateRoundedRectanglePath(rect,?cornerRadius)) ????????{ ????????????g.DrawPath(pen,?path); ????????} } public?static?void?FillRoundRectangle(Graphics?g,?Brush?brush,Rectangle?rect,?int?cornerRadius) { ????????using?(GraphicsPath?path?=?CreateRoundedRectanglePath(rect,?cornerRadius)) ????????{ ????????????g.FillPath(brush,?path); ????????} } internal?static?GraphicsPath?CreateRoundedRectanglePath(Rectangle?rect,?int?cornerRadius) { ????????GraphicsPath?roundedRect?=?new?GraphicsPath(); ????????roundedRect.AddArc(rect.X,?rect.Y,?cornerRadius?*?2,?cornerRadius?*?2,?180,?90); ????????roundedRect.AddLine(rect.X?+?cornerRadius,?rect.Y,?rect.Right?-?cornerRadius?*?2,?rect.Y); ????????roundedRect.AddArc(rect.X?+?rect.Width?-?cornerRadius?*?2,?rect.Y,?cornerRadius?*?2,?cornerRadius?*?2,?270,?90); ????????roundedRect.AddLine(rect.Right,?rect.Y?+?cornerRadius?*?2,?rect.Right,?rect.Y?+?rect.Height?-?cornerRadius?*?2); ????????roundedRect.AddArc(rect.X?+?rect.Width?-?cornerRadius?*?2,?rect.Y?+?rect.Height?-?cornerRadius?*?2,?cornerRadius?*?2,?cornerRadius?*?2,?0,?90); ????????roundedRect.AddLine(rect.Right?-?cornerRadius?*?2,?rect.Bottom,?rect.X?+?cornerRadius?*?2,?rect.Bottom); ????????roundedRect.AddArc(rect.X,?rect.Bottom?-?cornerRadius?*?2,?cornerRadius?*?2,?cornerRadius?*?2,?90,?90); ????????roundedRect.AddLine(rect.X,?rect.Bottom?-?cornerRadius?*?2,?rect.X,?rect.Y?+?cornerRadius?*?2); ????????roundedRect.CloseFigure(); ????????return?roundedRect; } C/C++ void?add_border(int?border_color,?int?border_width,?int?width,?int?height,?char?*?data) { int?i,?j; int?R1,?R2; char?color?=?(char)border_color; int?out_corner_X[]?=?{8,?4,?3,?2,?1,?1,?0,?0,?0}; int?inner_corner_X[]?=?{8,?8,?8,?8,?8,?5,?5,?4,?4}; border_width?=?4; R1?=?border_width?+?4; R2?=?border_width; if(width?<=?border_width+4?||?height?<=?border_width+4) return?; for(i=0;?i<border_width;?i++){ for(j=R1;?j<width-R1;?j++) data[i*width?+j]?=?color; } for(i=height-border_width;?i<height;?i++){ for(j=R1;?j<width-R1;?j++) data[i*width?+j]?=?color; } for(i=R1;?i<height-R1;?i++){ for(j=0;?j<border_width;?j++) data[i*width?+j]?=?color; } for(i=R1;?i<height-R1;?i++){ for(j=width-border_width;?j<width;?j++) data[i*width?+j]?=?color; } //corner?circle for(i=0;?i<R1;?i++){ for(j=out_corner_X[i];?j<inner_corner_X[i];?j++) data[i*width?+j]?=?color; } for(i=0;?i<R1;?i++){ for(j=width-inner_corner_X[i];?j<width-out_corner_X[i];?j++) data[i*width?+j]?=?color; } for(i=height-R1;?i<height;?i++){ for(j=out_corner_X[height-1-i];?j<inner_corner_X[height-1-i];?j++) data[i*width?+j]?=?color; } for(i=height-R1;?i<height;?i++){ for(j=width-inner_corner_X[height-1-i];?j<width-out_corner_X[height-1-i];?j++) data[i*width?+j]?=?color; } }