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C# Styles.ToGdi方法代码示例

本文整理汇总了C#中Styles.ToGdi方法的典型用法代码示例。如果您正苦于以下问题:C# Styles.ToGdi方法的具体用法?C# Styles.ToGdi怎么用?C# Styles.ToGdi使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在Styles的用法示例。


在下文中一共展示了Styles.ToGdi方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C#代码示例。

示例1: DrawLabel

        /// <summary>
        /// Renders a label to the map.
        /// </summary>
        /// <param name="graphics">Graphics reference</param>
        /// <param name="labelPoint">Label placement</param>
        /// <param name="offset">Offset of label in screen coordinates</param>
        /// <param name="font">Font used for rendering</param>
        /// <param name="forecolor">Font forecolor</param>
        /// <param name="backcolor">Background color</param>
        /// <param name="halo">Color of halo</param>
        /// <param name="rotation">Text rotation in degrees</param>
        /// <param name="text">Text to render</param>
        /// <param name="viewport"></param>
        public static void DrawLabel(Graphics graphics, Point labelPoint, Offset offset, Styles.Font font, Styles.Color forecolor, Styles.Brush backcolor, Styles.Pen halo, double rotation, string text, IViewport viewport, StyleContext context)
        {
            SizeF fontSize = graphics.MeasureString(text, font.ToGdi(context)); //Calculate the size of the text
            labelPoint.X += offset.X; labelPoint.Y += offset.Y; //add label offset
            if (Math.Abs(rotation) > Constants.Epsilon && !double.IsNaN(rotation))
            {
                graphics.TranslateTransform((float)labelPoint.X, (float)labelPoint.Y);
                graphics.RotateTransform((float)rotation);
                graphics.TranslateTransform(-fontSize.Width / 2, -fontSize.Height / 2);
                if (backcolor != null && backcolor.ToGdi(context) != Brushes.Transparent)
                    graphics.FillRectangle(backcolor.ToGdi(context), 0, 0, fontSize.Width * 0.74f + 1f, fontSize.Height * 0.74f);
                var path = new GraphicsPath();
                path.AddString(text, new FontFamily(font.FontFamily), (int)font.ToGdi(context).Style, font.ToGdi(context).Size, new System.Drawing.Point(0, 0), null);
                if (halo != null)
                    graphics.DrawPath(halo.ToGdi(context), path);
                graphics.FillPath(new SolidBrush(forecolor.ToGdi()), path);
                //g.DrawString(text, font, new System.Drawing.SolidBrush(forecolor), 0, 0);
            }
            else
            {
                if (backcolor != null && backcolor.ToGdi(context) != Brushes.Transparent)
                    graphics.FillRectangle(backcolor.ToGdi(context), (float)labelPoint.X, (float)labelPoint.Y, fontSize.Width * 0.74f + 1, fontSize.Height * 0.74f);

                var path = new GraphicsPath();

                //Arial hack
                path.AddString(text, new FontFamily("Arial"), (int)font.ToGdi(context).Style, (float)font.Size, new System.Drawing.Point((int)labelPoint.X, (int)labelPoint.Y), null);
                if (halo != null)
                    graphics.DrawPath(halo.ToGdi(context), path);
                graphics.FillPath(new SolidBrush(forecolor.ToGdi()), path);
                //g.DrawString(text, font, new System.Drawing.SolidBrush(forecolor), LabelPoint.X, LabelPoint.Y);
            }
        }
开发者ID:jdeksup,项目名称:Mapsui.Net4,代码行数:46,代码来源:LabelRenderer.cs


注:本文中的Styles.ToGdi方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。