C# LayoutWrapper.AddBackground方法代码示例

本文整理汇总了C#中LayoutWrapper.AddBackground方法的典型用法代码示例。如果您正苦于以下问题：C# LayoutWrapper.AddBackground方法的具体用法？C# LayoutWrapper.AddBackground怎么用？C# LayoutWrapper.AddBackground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类LayoutWrapper的用法示例。

在下文中一共展示了LayoutWrapper.AddBackground方法的2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: CreateLinePartLayout

		public LayoutWrapper CreateLinePartLayout (ISyntaxMode mode, DocumentLine line, int logicalRulerColumn, int offset, int length, int selectionStart, int selectionEnd)
		{
			bool containsPreedit = textEditor.ContainsPreedit (offset, length);
			LayoutDescriptor descriptor;
			if (!containsPreedit && layoutDict.TryGetValue (line, out descriptor)) {
				bool isInvalid;
				if (descriptor.Equals (line, offset, length, selectionStart, selectionEnd, out isInvalid) && descriptor.Layout != null) {
					return descriptor.Layout;
				}
				descriptor.Dispose ();
				layoutDict.Remove (line);
			}
			var wrapper = new LayoutWrapper (PangoUtil.CreateLayout (textEditor));
			wrapper.IsUncached = containsPreedit;
			if (logicalRulerColumn < 0)
				logicalRulerColumn = line.GetLogicalColumn (textEditor.GetTextEditorData (), textEditor.Options.RulerColumn);
			var atts = new FastPangoAttrList ();
			wrapper.Layout.Alignment = Pango.Alignment.Left;
			wrapper.Layout.FontDescription = textEditor.Options.Font;
			wrapper.Layout.Tabs = tabArray;
			if (textEditor.Options.WrapLines) {
				wrapper.Layout.Wrap = Pango.WrapMode.WordChar;
				wrapper.Layout.Width = (int)((textEditor.Allocation.Width - XOffset - TextStartPosition) * Pango.Scale.PangoScale);
			}
			StringBuilder textBuilder = new StringBuilder ();
			var chunks = GetCachedChunks (mode, Document, textEditor.ColorStyle, line, offset, length);
			wrapper.Chunks = chunks;
			foreach (var chunk in chunks) {
				try {
					textBuilder.Append (Document.GetTextAt (chunk));
				} catch {
					Console.WriteLine (chunk);
				}
			}
			int lineOffset = line.Offset;
			string lineText = textBuilder.ToString ();
			uint preeditLength = 0;
			
			if (containsPreedit) {
				if (textEditor.GetTextEditorData ().IsCaretInVirtualLocation) {
					lineText = textEditor.GetTextEditorData ().GetIndentationString (textEditor.Caret.Location) + textEditor.preeditString;
				} else {
					lineText = lineText.Insert (textEditor.preeditOffset - offset, textEditor.preeditString);
				}
				preeditLength = (uint)textEditor.preeditString.Length;
			}
			char[] lineChars = lineText.ToCharArray ();
			//int startOffset = offset, endOffset = offset + length;
			uint curIndex = 0, byteIndex = 0;
			uint curChunkIndex = 0, byteChunkIndex = 0;
			
			uint oldEndIndex = 0;
			foreach (Chunk chunk in chunks) {
				ChunkStyle chunkStyle = chunk != null ? textEditor.ColorStyle.GetChunkStyle (chunk) : null;
				foreach (TextLineMarker marker in line.Markers)
					chunkStyle = marker.GetStyle (chunkStyle);

				if (chunkStyle != null) {
					//startOffset = chunk.Offset;
					//endOffset = chunk.EndOffset;

					uint startIndex = (uint)(oldEndIndex);
					uint endIndex = (uint)(startIndex + chunk.Length);
					oldEndIndex = endIndex;
					var markers = Document.GetTextSegmentMarkersAt (line).Where (m => m.IsVisible).ToArray ();
					HandleSelection (lineOffset, logicalRulerColumn, selectionStart, selectionEnd, chunk.Offset, chunk.EndOffset, delegate(int start, int end) {
						if (containsPreedit) {
							if (textEditor.preeditOffset < start)
								start += (int)preeditLength;
							if (textEditor.preeditOffset < end)
								end += (int)preeditLength;
						}
						var si = TranslateToUTF8Index (lineChars, (uint)(startIndex + start - chunk.Offset), ref curIndex, ref byteIndex);
						var ei = TranslateToUTF8Index (lineChars, (uint)(startIndex + end - chunk.Offset), ref curIndex, ref byteIndex);
						var color = ColorStyle.GetForeground (chunkStyle);
						foreach (var marker in markers) {
							var chunkMarker = marker as IChunkMarker;
							if (chunkMarker == null)
								continue;
							chunkMarker.ChangeForeColor (textEditor, chunk, ref color);
						}
						atts.AddForegroundAttribute ((HslColor)color, si, ei);
						
						if (!chunkStyle.TransparentBackground && GetPixel (ColorStyle.PlainText.Background) != GetPixel (chunkStyle.Background)) {
							wrapper.AddBackground (chunkStyle.Background, (int)si, (int)ei);
						} else if (chunk.SpanStack != null && ColorStyle != null) {
							foreach (var span in chunk.SpanStack) {
								if (span == null || string.IsNullOrEmpty (span.Color))
									continue;
								var spanStyle = ColorStyle.GetChunkStyle (span.Color);
								if (spanStyle != null && !spanStyle.TransparentBackground && GetPixel (ColorStyle.PlainText.Background) != GetPixel (spanStyle.Background)) {
									wrapper.AddBackground (spanStyle.Background, (int)si, (int)ei);
									break;
								}
							}
						}
					}, delegate(int start, int end) {
						if (containsPreedit) {
							if (textEditor.preeditOffset < start)
								start += (int)preeditLength;
//.........这里部分代码省略.........

开发者ID:OnorioCatenacci，项目名称:monodevelop，代码行数:101，代码来源:TextViewMargin.cs

示例2: CreateLinePartLayout

		public LayoutWrapper CreateLinePartLayout (ISyntaxMode mode, LineSegment line, int logicalRulerColumn, int offset, int length, int selectionStart, int selectionEnd)
		{
			bool containsPreedit = textEditor.ContainsPreedit (offset, length);
			LayoutDescriptor descriptor;
			if (!containsPreedit && layoutDict.TryGetValue (line, out descriptor)) {
				bool isInvalid;
				if (descriptor.Equals (line, offset, length, selectionStart, selectionEnd, out isInvalid) && descriptor.Layout != null) {
					return descriptor.Layout;
				}
				descriptor.Dispose ();
				layoutDict.Remove (line);
			}
			var wrapper = new LayoutWrapper (PangoUtil.CreateLayout (textEditor));
			wrapper.IsUncached = containsPreedit;

			if (logicalRulerColumn < 0)
				logicalRulerColumn = line.GetLogicalColumn (textEditor.GetTextEditorData (), textEditor.Options.RulerColumn);
			var atts = new FastPangoAttrList ();
			wrapper.Layout.Alignment = Pango.Alignment.Left;
			wrapper.Layout.FontDescription = textEditor.Options.Font;
			wrapper.Layout.Tabs = tabArray;
			StringBuilder textBuilder = new StringBuilder ();
			var chunks = GetCachedChunks (mode, Document, textEditor.ColorStyle, line, offset, length);
			foreach (var chunk in chunks) {
				try {
					textBuilder.Append (Document.GetTextAt (chunk));
				} catch {
					Console.WriteLine (chunk);
				}
			}
			var spanStack = line.StartSpan;
			int lineOffset = line.Offset;
			string lineText = textBuilder.ToString ();
			uint preeditLength = 0;
			
			if (containsPreedit) {
				lineText = lineText.Insert (textEditor.preeditOffset - offset, textEditor.preeditString);
				preeditLength = (uint)textEditor.preeditString.Length;
			}
			char[] lineChars = lineText.ToCharArray ();
			//int startOffset = offset, endOffset = offset + length;
			uint curIndex = 0, byteIndex = 0;
			uint curChunkIndex = 0, byteChunkIndex = 0;
			
			uint oldEndIndex = 0;
			foreach (Chunk chunk in chunks) {
				ChunkStyle chunkStyle = chunk != null ? textEditor.ColorStyle.GetChunkStyle (chunk) : null;
				spanStack = chunk.SpanStack ?? spanStack;
				foreach (TextMarker marker in line.Markers)
					chunkStyle = marker.GetStyle (chunkStyle);

				if (chunkStyle != null) {
					//startOffset = chunk.Offset;
					//endOffset = chunk.EndOffset;

					uint startIndex = (uint)(oldEndIndex);
					uint endIndex = (uint)(startIndex + chunk.Length);
					oldEndIndex = endIndex;

					HandleSelection (lineOffset, logicalRulerColumn, selectionStart, selectionEnd, chunk.Offset, chunk.EndOffset, delegate(int start, int end) {
						if (containsPreedit) {
							if (textEditor.preeditOffset < start)
								start += (int)preeditLength;
							if (textEditor.preeditOffset < end)
								end += (int)preeditLength;
						}
						var si = TranslateToUTF8Index (lineChars, (uint)(startIndex + start - chunk.Offset), ref curIndex, ref byteIndex);
						var ei = TranslateToUTF8Index (lineChars, (uint)(startIndex + end - chunk.Offset), ref curIndex, ref byteIndex);
						atts.AddForegroundAttribute (chunkStyle.Color, si, ei);
						
						if (!chunkStyle.TransparentBackround && GetPixel (ColorStyle.Default.BackgroundColor) != GetPixel (chunkStyle.BackgroundColor)) {
							wrapper.AddBackground (chunkStyle.CairoBackgroundColor, (int)si, (int)ei);
						} else if (chunk.SpanStack != null && ColorStyle != null) {
							foreach (var span in chunk.SpanStack) {
								if (span == null)
									continue;
								var spanStyle = ColorStyle.GetChunkStyle (span.Color);
								if (!spanStyle.TransparentBackround && GetPixel (ColorStyle.Default.BackgroundColor) != GetPixel (spanStyle.BackgroundColor)) {
									wrapper.AddBackground (spanStyle.CairoBackgroundColor, (int)si, (int)ei);
									break;
								}
							}
						}
					}, delegate(int start, int end) {
						if (containsPreedit) {
							if (textEditor.preeditOffset < start)
								start += (int)preeditLength;
							if (textEditor.preeditOffset < end)
								end += (int)preeditLength;
						}
						var si = TranslateToUTF8Index (lineChars, (uint)(startIndex + start - chunk.Offset), ref curIndex, ref byteIndex);
						var ei = TranslateToUTF8Index (lineChars, (uint)(startIndex + end - chunk.Offset), ref curIndex, ref byteIndex);
						atts.AddForegroundAttribute (SelectionColor.Color, si, ei);
						if (!wrapper.StartSet)
							wrapper.SelectionStartIndex = (int)si;
						wrapper.SelectionEndIndex = (int)ei;
					});

					var translatedStartIndex = TranslateToUTF8Index (lineChars, (uint)startIndex, ref curChunkIndex, ref byteChunkIndex);
					var translatedEndIndex = TranslateToUTF8Index (lineChars, (uint)endIndex, ref curChunkIndex, ref byteChunkIndex);
//.........这里部分代码省略.........

开发者ID:txdv，项目名称:monodevelop，代码行数:101，代码来源:TextViewMargin.cs

注：本文中的LayoutWrapper.AddBackground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。