private void GenerateRendering(Graphics g)
{
Rectangle clientRectangle = base.ClientRectangle;
Brush brush = new SolidBrush(this._page.BackColor);
g.FillRectangle(brush, clientRectangle);
brush.Dispose();
Watermark watermark = this._page.Watermark;
if (watermark.Image != null)
{
Image image = watermark.Image;
Size size = image.Size;
Point empty = Point.Empty;
switch (watermark.Placement)
{
case WatermarkPlacement.TopRight:
empty = new Point(clientRectangle.Width - size.Width, 0);
break;
case WatermarkPlacement.BottomLeft:
empty = new Point(0, clientRectangle.Height - size.Height);
break;
case WatermarkPlacement.BottomRight:
empty = new Point(clientRectangle.Width - size.Width, clientRectangle.Height - size.Height);
break;
case WatermarkPlacement.Center:
empty = new Point((clientRectangle.Width - size.Width) / 2, (clientRectangle.Height - size.Height) / 2);
break;
}
g.DrawImageUnscaled(image, empty);
}
Point autoScrollPosition = base.AutoScrollPosition;
ElementRenderData renderData = null;
g.TranslateTransform((float) autoScrollPosition.X, (float) autoScrollPosition.Y);
try
{
if (this._page.AntiAliasedText)
{
g.TextRenderingHint = TextRenderingHint.AntiAlias;
g.SmoothingMode = SmoothingMode.AntiAlias;
}
renderData = new ElementRenderData(g, autoScrollPosition, base.ContainsFocus, this._page.AntiAliasedText);
renderData.SetLinkColor(this._page.LinkColor);
if (renderData.LinkColor.IsEmpty)
{
renderData.SetLinkColor(this.ForeColor);
}
renderData.SetHoverColor(this._page.HoverColor);
if (renderData.HoverColor.IsEmpty)
{
renderData.SetHoverColor(this._page.LinkColor);
}
if (renderData.HoverColor.IsEmpty)
{
renderData.SetHoverColor(this.ForeColor);
}
this._page.CreateRendering(renderData, autoScrollPosition, new Point(0, base.ClientSize.Height));
if (renderData.ShowFocus && (this._focusIndex != -1))
{
VisualElement element = (VisualElement) this._focusableElements[this._focusIndex];
Rectangle bounds = element.Bounds;
if (!bounds.IsEmpty)
{
bounds.Offset(autoScrollPosition);
if ((bounds.Bottom >= 0) && (bounds.Top <= base.ClientSize.Height))
{
element.RenderFocusCues(renderData);
}
}
}
}
finally
{
if (renderData != null)
{
renderData.Dispose();
renderData = null;
}
g.TranslateTransform((float) -autoScrollPosition.X, (float) -autoScrollPosition.Y);
}
}
private Size CalculateRendering(Graphics g)
{
if ((this._page == null) || (this._page.Elements.Count == 0))
{
return Size.Empty;
}
if (this._page.AntiAliasedText)
{
g.TextRenderingHint = TextRenderingHint.SingleBitPerPixel;
g.SmoothingMode = SmoothingMode.AntiAlias;
}
ElementRenderData renderData = new ElementRenderData(g, Point.Empty, false, this._page.AntiAliasedText);
Size empty = Size.Empty;
try
{
empty = this._page.CreateLayout(renderData, Point.Empty, new Size(base.ClientSize.Width, 0));
}
finally
{
if (renderData != null)
{
renderData.Dispose();
renderData = null;
}
}
return empty;
}
