public void Clear(Color color)
{
GDIBrush b = new GDIBrush(color);
Clear(b);
b.Dispose();
}
public void FillRect(Color color, int x, int y, int width, int height)
{
GDIBrush b = new GDIBrush(color);
FillRect(b, x, y, width, height);
b.Dispose();
}
public void FillRect(GDIBrush brush, int x, int y, int width, int height)
{
RECTAPI gr;
gr.Top = y;
gr.Left = x;
gr.Right = width + x;
gr.Bottom = height + y;
NativeUser32Api.FillRect(mhDC, ref gr, brush.hBrush);
}
private void RenderRow(Graphics g, int RowIndex, int RowPos)
{
// if (RowIndex ==-1)
// System.Diagnostics.Debugger.Break ();
if (RowIndex >= 0 && RowIndex < this.Control.Document.Count)
{
//do keyword parse before we render the line...
if (this.Control.Document[RowIndex].RowState == RowState.SegmentParsed)
{
this.Control.Document.Parser.ParseLine(RowIndex, true);
this.Control.Document[RowIndex].RowState = RowState.AllParsed;
}
}
GDISurface bbuff = GFX.BackBuffer;
bool found = false;
GDIBrush bg = GFX.BackgroundBrush;
if (RowIndex < this.Control.Document.Count && RowIndex >= 0)
{
Row r = Control.Document[RowIndex];
if (SpanFound && RowIndex >= FirstSpanRow && RowIndex <=
LastSpanRow && Control._CodeEditor.ScopeBackColor !=
Color.Transparent)
{
bg = new GDIBrush(Control._CodeEditor.ScopeBackColor);
found = true;
}
else if (r.BackColor != Color.Transparent)
{
bg = new GDIBrush(r.BackColor);
found = true;
}
else
{
if (r.EndSegment != null)
{
Segment tmp = null;
tmp = r.Expansion_EndSegment;
while (tmp != null)
{
if (tmp.BlockType.Transparent == false)
{
bg = new GDIBrush(tmp.BlockType.BackColor);
found = true;
break;
}
tmp = tmp.Parent;
}
if (!found)
{
tmp = r.EndSegment;
while (tmp != null)
{
if (tmp.BlockType.Transparent == false)
{
bg = new GDIBrush(tmp.BlockType.BackColor);
found = true;
break;
}
tmp = tmp.Parent;
}
}
if (!found)
{
tmp = r.Expansion_EndSegment;
while (tmp != null)
{
if (tmp.BlockType.Transparent == false)
{
bg = new GDIBrush(tmp.BlockType.BackColor);
found = true;
break;
}
tmp = tmp.Parent;
}
}
}
}
}
if (RowIndex == Control.Caret.Position.Y && Control.HighLightActiveLine)
bbuff.Clear(GFX.HighLightLineBrush);
else if (RowIndex >= 0 && RowIndex < Control.Document.Count)
{
if (Control.Document[RowIndex].IsCollapsed)
{
if (Control.Document[RowIndex].Expansion_EndRow.Index ==
Control.Caret.Position.Y && Control.HighLightActiveLine)
bbuff.Clear(GFX.HighLightLineBrush);
else
bbuff.Clear(bg);
}
else
bbuff.Clear(bg);
}
else
bbuff.Clear(bg);
//only render normal text if any part of the row is visible
if (RowIndex <= Control.Selection.LogicalBounds.FirstRow || RowIndex >=
Control.Selection.LogicalBounds.LastRow)
{
RenderText(RowIndex);
}
//only render selection text if the line is selected
if (Control.Selection.IsValid)
{
if (RowIndex >= Control.Selection.LogicalBounds.FirstRow && RowIndex
<= Control.Selection.LogicalBounds.LastRow)
{
if (this.Control.ContainsFocus)
GFX.SelectionBuffer.Clear(Control.SelectionBackColor);
else
GFX.SelectionBuffer.Clear(Control.InactiveSelectionBackColor);
RenderSelectedText(RowIndex);
}
}
if (this.Control.ContainsFocus || Control.View.Action ==
XTextAction.xtDragText)
{
RenderCaret(RowIndex, RowPos * Control.View.RowHeight + this.yOffset);
}
RenderSelection(RowIndex, true);
RenderMargin(RowIndex);
if (Control.Document.Folding)
RenderExpansion(RowIndex);
RowPaintEventArgs e = new RowPaintEventArgs();
Rectangle rec = new Rectangle(0, 0, this.Control.Width,
Control.View.RowHeight);
e.Graphics = Graphics.FromHdc(bbuff.hDC);
e.Bounds = rec;
e.Row = null;
if (RowIndex >= 0 && RowIndex < Control.Document.Count)
e.Row = Control.Document[RowIndex];
this.Control._CodeEditor.OnRenderRow(e);
e.Graphics.Dispose();
bbuff.Flush();
bbuff.RenderToControl(0, RowPos * Control.View.RowHeight + this.yOffset)
;
//GFX.SelectionBuffer.RenderToControl (0,RowPos*Control.View.RowHeight+this.yOffset);
if (found)
bg.Dispose();
}
public void Clear(GDIBrush brush)
{
FillRect(brush, 0, 0, mWidth, mHeight);
}
public GDIBrush OutlineBrush; //background brush
#region IDisposable Members
public void Dispose()
{
if (BackBuffer != null)
{
BackBuffer.Dispose();
BackBuffer = null;
}
if (SelectionBuffer != null)
{
SelectionBuffer.Dispose();
SelectionBuffer = null;
}
if (StringBuffer != null)
{
StringBuffer.Dispose();
StringBuffer = null;
}
if (FontNormal != null)
{
FontNormal.Dispose();
FontNormal = null;
}
if (FontBold != null)
{
FontBold.Dispose();
FontBold = null;
}
if (FontItalic != null)
{
FontItalic.Dispose();
FontItalic = null;
}
if (FontBoldItalic != null)
{
FontBoldItalic.Dispose();
FontBoldItalic = null;
}
if (FontUnderline != null)
{
FontUnderline.Dispose();
FontUnderline = null;
}
if (FontBoldUnderline != null)
{
FontBoldUnderline.Dispose();
FontBoldUnderline = null;
}
if (FontItalicUnderline != null)
{
FontItalicUnderline.Dispose();
FontItalicUnderline = null;
}
if (FontBoldItalicUnderline != null)
{
FontBoldItalicUnderline.Dispose();
FontBoldItalicUnderline = null;
}
if (GutterMarginBrush != null)
{
GutterMarginBrush.Dispose();
GutterMarginBrush = null;
}
if (GutterMarginBrush != null)
{
GutterMarginBrush.Dispose();
GutterMarginBrush = null;
}
if (LineNumberMarginBrush != null)
{
LineNumberMarginBrush.Dispose();
LineNumberMarginBrush = null;
}
if (LineNumberMarginBorderBrush != null)
{
LineNumberMarginBorderBrush.Dispose();
LineNumberMarginBorderBrush = null;
}
if (BackgroundBrush != null)
{
BackgroundBrush.Dispose();
BackgroundBrush = null;
}
if (HighLightLineBrush != null)
{
HighLightLineBrush.Dispose();
HighLightLineBrush = null;
}
if (OutlineBrush != null)
{
OutlineBrush.Dispose();
OutlineBrush = null;
}
}
public void Clear(GDIBrush brush)
{
FillRect(brush, 0, 0, mWidth, mHeight);
}
public void Clear(Color color)
{
GDIBrush b = new GDIBrush(color);
Clear(b);
b.Dispose();
}
public void FillRect(Color color, int x, int y, int width, int height)
{
GDIBrush b = new GDIBrush(color);
FillRect(b, x, y, width, height);
b.Dispose();
}
public void FillRect(GDIBrush brush, int x, int y, int width, int height)
{
RECTAPI gr;
gr.Top = y;
gr.Left = x;
gr.Right = width + x;
gr.Bottom = height + y;
NativeUser32Api.FillRect(mhDC, ref gr, brush.hBrush);
}