internal static FontStyle GetFontStyle(this SyntaxHighlight.StyleBase activeStyle) { var f = FontStyle.Regular; if (activeStyle.Bold == true) { f |= FontStyle.Bold; } if (activeStyle.Italic == true) { f |= FontStyle.Italic; } if (activeStyle.Underline == true) { f |= FontStyle.Underline; } if (activeStyle.Strikethrough == true) { f |= FontStyle.Strikeout; } return(f); }
internal static void MixStyle(SyntaxHighlight.StyleBase style, out FontStyle fontStyle, out GdiColor forecolor, out GdiColor backcolor) { forecolor = style.ForegroundOpacity > 0 ? ThemeHelper.DocumentTextColor.Alpha(style.ForegroundOpacity) : ThemeHelper.DocumentTextColor; backcolor = style.BackgroundOpacity > 0 ? ThemeHelper.DocumentPageColor.Alpha(style.BackgroundOpacity) : ThemeHelper.DocumentPageColor; fontStyle = style.GetFontStyle(); if (style.ClassificationType == null) { return; } var p = TextEditorHelper.DefaultClassificationFormatMap.GetRunProperties(style.ClassificationType); if (p == null) { return; } SolidColorBrush colorBrush; if (style.ForeColor.A == 0) { colorBrush = p.ForegroundBrushEmpty ? null : p.ForegroundBrush as SolidColorBrush; if (colorBrush != null) { forecolor = (style.ForegroundOpacity > 0 ? colorBrush.Color.Alpha(style.ForegroundOpacity) : colorBrush.Color).ToGdiColor(); } } else { forecolor = style.AlphaForeColor.ToGdiColor(); } if (style.BackColor.A == 0) { colorBrush = p.BackgroundBrushEmpty ? null : p.BackgroundBrush as SolidColorBrush; if (colorBrush != null) { backcolor = (style.BackgroundOpacity > 0 ? colorBrush.Color.Alpha(style.BackgroundOpacity) : colorBrush.Color).ToGdiColor(); } } else { backcolor = style.AlphaBackColor.ToGdiColor(); } if (p.BoldEmpty == false && p.Bold && style.Bold != false) { fontStyle |= FontStyle.Bold; } if (p.ItalicEmpty == false && p.Italic && style.Italic != false) { fontStyle |= FontStyle.Italic; } if (p.TextDecorationsEmpty == false) { foreach (var decoration in p.TextDecorations) { if (decoration.Location == System.Windows.TextDecorationLocation.Underline && style.Underline != false) { fontStyle |= FontStyle.Underline; } else if (decoration.Location == System.Windows.TextDecorationLocation.Strikethrough && style.Strikethrough != false) { fontStyle |= FontStyle.Strikeout; } } } }
TextFormattingRunProperties UpdateFormattingMap(StyleBase style, TextFormattingRunProperties textFormatting, double defaultSize) { var p = SetProperties(textFormatting, style, defaultSize); return(textFormatting != p ? p : null); }
TextFormattingRunProperties SetProperties(TextFormattingRunProperties format, StyleBase styleOption, double textSize) { var settings = styleOption; var fontSize = textSize + settings.FontSize; if (fontSize < 1) { fontSize = 1; } if (string.IsNullOrWhiteSpace(settings.Font) == false) { format = format.SetTypeface(new Typeface(settings.Font)); } if (settings.FontSize != 0) { if (format.FontRenderingEmSizeEmpty || fontSize != format.FontRenderingEmSize) { format = format.SetFontRenderingEmSize(fontSize); } } if (settings.Bold.HasValue) { if (format.BoldEmpty || settings.Bold != format.Bold) { format = format.SetBold(settings.Bold.Value); } } if (settings.Italic.HasValue) { if (format.ItalicEmpty || settings.Italic != format.Italic) { format = format.SetItalic(settings.Italic.Value); } } if (settings.ForegroundOpacity > 0) { format = format.SetForegroundOpacity(settings.ForegroundOpacity / 255.0); } if (settings.ForeColor.A > 0) { if (format.ForegroundBrushEmpty || (format.ForegroundBrush as SolidColorBrush)?.Color != settings.ForeColor) { format = format.SetForeground(settings.ForeColor); } } if (settings.BackColor.A > 0) { var bc = settings.BackColor.A > 0 ? settings.BackColor : format.BackgroundBrushEmpty == false && format.BackgroundBrush is SolidColorBrush ? (format.BackgroundBrush as SolidColorBrush).Color : Colors.Transparent; if (settings.BackgroundOpacity != 0) { format = format.SetBackgroundOpacity(settings.BackgroundOpacity / 255.0); } if (bc.A > 0) { var bb = format.BackgroundBrush as LinearGradientBrush; switch (settings.BackgroundEffect) { case BrushEffect.Solid: if (format.BackgroundBrushEmpty || (format.BackgroundBrush as SolidColorBrush)?.Color != bc) { format = format.SetBackground(bc); } break; case BrushEffect.ToBottom: if (bb == null || bb.StartPoint.Y > bb.EndPoint.Y || bb.GradientStops.Count != 2 || bb.GradientStops[0].Color != _BackColor || bb.GradientStops[1].Color != bc) { format = format.SetBackgroundBrush(new LinearGradientBrush(_BackColor, bc, 90)); } break; case BrushEffect.ToTop: if (bb == null || bb.StartPoint.Y < bb.EndPoint.Y || bb.GradientStops.Count != 2 || bb.GradientStops[0].Color != bc || bb.GradientStops[1].Color != _BackColor) { format = format.SetBackgroundBrush(new LinearGradientBrush(bc, _BackColor, 90)); } bb = new LinearGradientBrush(bc, _BackColor, 90); break; case BrushEffect.ToRight: if (bb == null || bb.StartPoint.X >= bb.EndPoint.X || bb.GradientStops.Count != 2 || bb.GradientStops[0].Color != _BackColor || bb.GradientStops[1].Color != bc) { format = format.SetBackgroundBrush(new LinearGradientBrush(_BackColor, bc, 0)); } break; case BrushEffect.ToLeft: if (bb == null || bb.StartPoint.X >= bb.EndPoint.X || bb.GradientStops.Count != 2 || bb.GradientStops[0].Color != bc || bb.GradientStops[1].Color != _BackColor) { format = format.SetBackgroundBrush(new LinearGradientBrush(bc, _BackColor, 0)); } break; default: throw new NotImplementedException("Background effect not supported: " + settings.BackgroundEffect.ToString()); } } } else if (settings.BackColor.A > 0) { if (format.BackgroundBrushEmpty || (format.BackgroundBrush as SolidColorBrush)?.Color != settings.BackColor) { format = format.SetBackground(settings.BackColor); } } if (settings.Underline.HasValue || settings.Strikethrough.HasValue || settings.OverLine.HasValue) { var tdc = new TextDecorationCollection(); if (settings.Underline.GetValueOrDefault()) { tdc.Add(TextDecorations.Underline); } if (settings.Strikethrough.GetValueOrDefault()) { tdc.Add(TextDecorations.Strikethrough); } if (settings.OverLine.GetValueOrDefault()) { tdc.Add(TextDecorations.OverLine); } format = format.SetTextDecorations(tdc); } return(format); }
TextFormattingRunProperties SetProperties(TextFormattingRunProperties properties, StyleBase styleOption, double textSize) { var settings = styleOption; var fontSize = textSize + settings.FontSize; if (fontSize < 1) { fontSize = 1; } if (string.IsNullOrWhiteSpace(settings.Font) == false) { properties = properties.SetTypeface(new Typeface(settings.Font)); } if (settings.FontSize != 0) { properties = properties.SetFontRenderingEmSize(fontSize); } if (settings.Bold.HasValue) { properties = properties.SetBold(settings.Bold.Value); } if (settings.Italic.HasValue) { properties = properties.SetItalic(settings.Italic.Value); } if (settings.ForeColor.A > 0) { if (settings.ForeColor.A == 255 && properties.ForegroundOpacityEmpty) { properties = properties.SetForeground(settings.ForeColor.Alpha(255)); } else { properties = properties.SetForegroundOpacity(settings.ForeColor.A / 255.0) .SetForeground(settings.ForeColor); } } var bc = settings.BackColor.A > 0 ? settings.BackColor : properties.BackgroundBrushEmpty == false && properties.BackgroundBrush is SolidColorBrush ? (properties.BackgroundBrush as SolidColorBrush).Color : Colors.Transparent; if (bc.A > 0) { if (settings.BackColor.A < 255 || properties.BackgroundOpacityEmpty == false) { properties = properties.SetBackgroundOpacity(bc.A / 255.0); } switch (settings.BackgroundEffect) { case BrushEffect.Solid: properties = properties.SetBackground(bc); break; case BrushEffect.ToBottom: properties = properties.SetBackgroundBrush(new LinearGradientBrush(_BackColor, bc, 90)); break; case BrushEffect.ToTop: properties = properties.SetBackgroundBrush(new LinearGradientBrush(bc, _BackColor, 90)); break; case BrushEffect.ToRight: properties = properties.SetBackgroundBrush(new LinearGradientBrush(_BackColor, bc, 0)); break; case BrushEffect.ToLeft: properties = properties.SetBackgroundBrush(new LinearGradientBrush(bc, _BackColor, 0)); break; default: break; } } if (settings.Underline.HasValue || settings.Strikethrough.HasValue || settings.OverLine.HasValue) { var tdc = new TextDecorationCollection(); if (settings.Underline.GetValueOrDefault()) { tdc.Add(TextDecorations.Underline); } if (settings.Strikethrough.GetValueOrDefault()) { tdc.Add(TextDecorations.Strikethrough); } if (settings.OverLine.GetValueOrDefault()) { tdc.Add(TextDecorations.OverLine); } properties = properties.SetTextDecorations(tdc); } return(properties); }