/// <summary>
/// Gets the Pango markup for a given line.
/// </summary>
/// <param name="lineIndex">The line.</param>
/// <param name="lineContexts">The line contexts.</param>
/// <returns></returns>
public string GetSelectionMarkup(
int lineIndex,
LineContexts lineContexts)
{
// Get the line markup from the underlying buffer.
string markup = LineBuffer.GetLineMarkup(lineIndex, lineContexts);
// Check to see if we are in the selection.
CharacterPosition beginCharacterPosition;
CharacterPosition endCharacterPosition;
bool containsLine = DisplayContext.Caret.Selection.ContainsLine(
LineBuffer, lineIndex, out beginCharacterPosition, out endCharacterPosition);
if (containsLine)
{
// Apply the markup to the line.
var linePosition = new LinePosition(lineIndex);
var singleLineTextRange = new SingleLineTextRange(
linePosition, beginCharacterPosition, endCharacterPosition);
return(SelectionRenderer.GetSelectionMarkup(markup, singleLineTextRange));
}
// Return the resulting markup.
return(markup);
}
/// <summary>
/// Initializes a new instance of the <see cref="EditorViewRenderer"/> class.
/// </summary>
/// <param name="displayContext">The display context.</param>
/// <param name="lineBuffer">The line buffer.</param>
public LineBufferRenderer(
IDisplayContext displayContext,
LineBuffer lineBuffer)
: base(displayContext)
{
// Save the buffer in a property.
SetLineBuffer(lineBuffer);
// Set up the selection.
selectionRenderer = new SelectionRenderer();
}