private void OnPrePaint(PaintEventArgs2 e)
{
if (PrePaint != null)
{
PrePaint(this, e);
}
}
private void OnPainted(PaintEventArgs2 e)
{
if (Painted != null)
{
Painted(this, e);
}
}
protected override void OnPaint(PaintEventArgs e)
{
if (this.surface != null)
{
PdnRegion clipRegion = null;
Rectangle[] rects = this.realUpdateRects;
if (rects == null)
{
clipRegion = new PdnRegion(e.Graphics.Clip, true);
clipRegion.Intersect(e.ClipRectangle);
rects = clipRegion.GetRegionScansReadOnlyInt();
}
if (this.justPaintWhite > 0)
{
PdnGraphics.FillRectangles(e.Graphics, Color.White, rects);
Invalidate();
}
else
{
foreach (Rectangle rect in rects)
{
if (e.Graphics.IsVisible(rect))
{
PaintEventArgs2 e2 = new PaintEventArgs2(e.Graphics, rect);
OnPaintImpl(e2);
}
}
}
if (clipRegion != null)
{
clipRegion.Dispose();
clipRegion = null;
}
}
if (this.justPaintWhite > 0)
{
--this.justPaintWhite;
}
base.OnPaint(e);
}
private void OnPaintImpl(PaintEventArgs2 e)
{
using (Surface doubleBuffer = GetDoubleBuffer(e.ClipRectangle.Size))
{
using (RenderArgs renderArgs = new RenderArgs(doubleBuffer))
{
OnPrePaint(e);
DrawArea(renderArgs, e.ClipRectangle.Location);
OnPainted(e);
IntPtr tracking;
Point childOffset;
Size parentSize;
doubleBuffer.GetDrawBitmapInfo(out tracking, out childOffset, out parentSize);
PdnGraphics.DrawBitmap(e.Graphics, e.ClipRectangle, e.Graphics.Transform,
tracking, childOffset.X, childOffset.Y);
}
}
}
private void OnPaintImpl(PaintEventArgs2 e)
{
using (Surface doubleBuffer = GetDoubleBuffer(e.ClipRectangle.Size))
{
using (RenderArgs renderArgs = new RenderArgs(doubleBuffer))
{
OnPrePaint(e);
DrawArea(renderArgs, e.ClipRectangle.Location);
OnPainted(e);
IntPtr tracking;
Point childOffset;
Size parentSize;
doubleBuffer.GetDrawBitmapInfo(out tracking, out childOffset, out parentSize);
PdnGraphics.DrawBitmap(e.Graphics, e.ClipRectangle, e.Graphics.Transform,
tracking, childOffset.X, childOffset.Y);
}
}
}
protected override void OnPaint(PaintEventArgs e)
{
if (this.surface != null)
{
PdnRegion clipRegion = null;
Rectangle[] rects = this.realUpdateRects;
if (rects == null)
{
clipRegion = new PdnRegion(e.Graphics.Clip, true);
clipRegion.Intersect(e.ClipRectangle);
rects = clipRegion.GetRegionScansReadOnlyInt();
}
if (this.justPaintWhite > 0)
{
PdnGraphics.FillRectangles(e.Graphics, Color.White, rects);
}
else
{
foreach (Rectangle rect in rects)
{
if (e.Graphics.IsVisible(rect))
{
PaintEventArgs2 e2 = new PaintEventArgs2(e.Graphics, rect);
OnPaintImpl(e2);
}
}
}
if (clipRegion != null)
{
clipRegion.Dispose();
clipRegion = null;
}
}
if (this.justPaintWhite > 0)
{
--this.justPaintWhite;
}
base.OnPaint(e);
}
private void OnPrePaint(PaintEventArgs2 e)
{
if (PrePaint != null)
{
PrePaint(this, e);
}
}
private void OnPainted(PaintEventArgs2 e)
{
if (Painted != null)
{
Painted(this, e);
}
}
/// <summary>
/// Before the SurfaceBox paints itself, we need to make sure that the document's composition is up to date
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void SurfaceBox_PrePaint(object sender, PaintEventArgs2 e)
{
try
{
UpdateComposition(true);
}
catch (ObjectDisposedException ex)
{
Tracing.Ping(ex.ToString());
}
}
