static Cairo.Color[,,,,] CreateColorMatrix(TextEditor editor, bool isError)
{
string typeString = isError ? "error" : "warning";
Cairo.Color[,,,,] colorMatrix = new Cairo.Color[2, 2, 3, 2, 2];
ColorSheme style = editor.ColorStyle;
if (style == null)
{
style = new DefaultStyle(editor.Style);
}
var baseColor = style.GetChunkStyle("bubble." + typeString + "").CairoBackgroundColor;
AdjustColorMatrix(colorMatrix, 0, baseColor);
var hsl = (HslColor)baseColor;
hsl.S *= 0.6;
baseColor = hsl;
AdjustColorMatrix(colorMatrix, 1, hsl);
double factor = 1.03;
for (int i = 0; i < 2; i++)
{
for (int j = 0; j < 2; j++)
{
for (int k = 0; k < 3; k++)
{
HslColor color = colorMatrix [i, j, k, 0, 0];
color.L *= factor;
colorMatrix [i, j, k, 1, 0] = color;
}
}
}
var selectionColor = ColorSheme.ToCairoColor(style.Selection.BackgroundColor);
for (int i = 0; i < 2; i++)
{
for (int j = 0; j < 2; j++)
{
for (int k = 0; k < 3; k++)
{
for (int l = 0; l < 2; l++)
{
var color = colorMatrix [i, j, k, l, 0];
colorMatrix [i, j, k, l, 1] = new Cairo.Color((color.R + selectionColor.R * 1.5) / 2.5, (color.G + selectionColor.G * 1.5) / 2.5, (color.B + selectionColor.B * 1.5) / 2.5);
}
}
}
}
return(colorMatrix);
}
public void Draw(Cairo.Context cr, Cairo.Rectangle area, LineSegment lineSegment, double x, double y, double lineHeight)
{
int foundSegment = -1;
if (lineSegment != null)
{
for (int i = 0; i < foldSegments.Count; i++)
{
FoldSegment segment = foldSegments[i];
if (segment.StartLine.Offset <= lineSegment.Offset && lineSegment.EndOffset <= segment.EndLine.EndOffset)
{
foundSegment = i;
roles[i] = Roles.Between;
if (segment.StartLine.Offset == lineSegment.Offset)
{
roles[i] |= Roles.Start;
if (segment.IsFolded)
{
roles[i] |= Roles.End;
}
}
if (segment.EndLine.Offset == lineSegment.Offset)
{
roles[i] |= Roles.End;
}
}
}
}
TextViewMargin textViewMargin = editor.TextViewMargin;
SyntaxMode mode = Document.SyntaxMode != null && editor.Options.EnableSyntaxHighlighting ? Document.SyntaxMode : SyntaxMode.Default;
// Gdk.Rectangle lineArea = new Gdk.Rectangle (textViewMargin.XOffset, y, editor.Allocation.Width - textViewMargin.XOffset, editor.LineHeight);
// Gdk.GC gc = new Gdk.GC (drawable);
TextViewMargin.LayoutWrapper lineLayout = null;
double brightness = HslColor.Brightness(editor.ColorStyle.Default.BackgroundColor);
int colorCount = foldSegments.Count + 2;
for (int segment = -1; segment <= foundSegment; segment++)
{
HslColor hslColor = new HslColor(editor.ColorStyle.Default.BackgroundColor);
int colorPosition = segment + 1;
if (segment == foldSegments.Count - 1)
{
colorPosition += 2;
}
if (brightness < 0.5)
{
hslColor.L = hslColor.L * 0.81 + hslColor.L * 0.25 * (colorCount - colorPosition) / colorCount;
}
else
{
hslColor.L = hslColor.L * 0.86 + hslColor.L * 0.1 * colorPosition / colorCount;
}
Roles role = Roles.Between;
double xPos = textViewMargin.XOffset;
double rectangleWidth = editor.Allocation.Width - xPos;
if (segment >= 0)
{
LineSegment segmentStartLine = foldSegments[segment].StartLine;
lineLayout = textViewMargin.CreateLinePartLayout(mode, segmentStartLine, segmentStartLine.Offset, segmentStartLine.EditableLength, -1, -1);
Pango.Rectangle rectangle = lineLayout.Layout.IndexToPos(GetFirstNonWsIdx(lineLayout.Layout.Text));
xPos = System.Math.Max(textViewMargin.XOffset, (textViewMargin.XOffset + rectangle.X / Pango.Scale.PangoScale - editor.HAdjustment.Value));
LineSegment segmentEndLine = foldSegments[segment].EndLine;
lineLayout = textViewMargin.CreateLinePartLayout(mode, segmentEndLine, segmentEndLine.Offset, segmentEndLine.EditableLength, -1, -1);
rectangle = lineLayout.Layout.IndexToPos(GetFirstNonWsIdx(lineLayout.Layout.Text));
xPos = System.Math.Min(xPos, System.Math.Max(textViewMargin.XOffset, (textViewMargin.XOffset + rectangle.X / Pango.Scale.PangoScale - editor.HAdjustment.Value)));
int width = editor.Allocation.Width;
if (editor.HAdjustment.Upper > width)
{
width = (int)(textViewMargin.XOffset + editor.HAdjustment.Upper - editor.HAdjustment.Value);
}
rectangleWidth = (int)(width - xPos - 6 * (segment + 1));
role = roles[segment];
}
DrawRoundRectangle(cr, (role & Roles.Start) == Roles.Start, (role & Roles.End) == Roles.End, xPos, y, editor.LineHeight / 2, rectangleWidth, lineHeight);
cr.Color = ColorSheme.ToCairoColor(hslColor);
cr.Fill();
/* if (segment == foldSegments.Count - 1) {
* cr.Color = new Cairo.Color (0.5, 0.5, 0.5, 1);
* cr.Stroke ();
* }*/
if (lineLayout != null && lineLayout.IsUncached)
{
lineLayout.Dispose();
lineLayout = null;
}
}
// gc.Dispose ();
}