protected override void CalculateClipRect()
{
double x, y, width, height;
if (this.Document.DrawLineNumber)
{
if (this.render.RightToLeft)
{
x = this.Padding.Left;
}
else
{
x = this.render.LineNemberWidth + this.render.emSize.Width + this.Padding.Left + this.LineNumberMargin;
}
width = this.PageBound.Width - this.render.LineNemberWidth - this.render.emSize.Width - this.Padding.Right - this.Padding.Left - this.LineNumberMargin;
}
else
{
x = this.Padding.Left;
width = this.PageBound.Width - this.Padding.Right - this.Padding.Left;
}
y = this.Padding.Top;
height = this.PageBound.Height - this.Padding.Bottom - this.Padding.Top;
if (width < 0)
{
width = 0;
}
if (height < 0)
{
height = 0;
}
IPrintableTextRender render = (IPrintableTextRender)this.render;
if (this.Footer != null && this.Footer != string.Empty)
{
height -= render.FooterHeight;
}
if (this.Header != null && this.Header != string.Empty)
{
height -= render.HeaderHeight;
}
this.render.TextArea = new Rectangle(x, y, width, height);
}
public override void Draw(Rectangle updateRect, bool force = false)
{
if (this.LayoutLines.Count == 0)
{
return;
}
if (this.Hilighter != null)
{
this.Hilighter.Reset();
}
Point pos = this.render.TextArea.TopLeft;
pos.X = Src.X;
pos.Y = 0;
IPrintableTextRender render = (IPrintableTextRender)this.render;
//ヘッダーを印刷する
if (this.Header != null && this.Header != string.Empty)
{
this.render.DrawString(this.Header, this.PageBound.X, pos.Y, StringAlignment.Center,
new Size(this.PageBound.Width, render.FooterHeight));
pos.Y += (int)render.HeaderHeight;
}
//レイアウト行を印刷する
double alignedPage = (int)(this.render.TextArea.Height / this.render.emSize.Height) * this.render.emSize.Height;
Rectangle contentArea = new Rectangle(pos.X, pos.Y, this.PageBound.Width, alignedPage);
this.render.BeginClipRect(contentArea);
Size lineNumberSize = new Size(this.render.LineNemberWidth, this.render.TextArea.Height);
for (int i = Src.Row; pos.Y <= this.render.TextArea.Bottom; i++)
{
if (i >= this.LayoutLines.Count)
{
break;
}
double layoutHeight = this.LayoutLines.GetLayout(i).Height;
this.render.DrawOneLine(this.Document, this.LayoutLines, i, pos.X + this.render.TextArea.X, pos.Y + this.Src.OffsetY);
if (this.Document.DrawLineNumber)
{
this.render.DrawString((i + 1).ToString(), this.PageBound.X + this.GetRealtiveX(AreaType.LineNumberArea), pos.Y + this.Src.OffsetY, StringAlignment.Right, lineNumberSize);
}
pos.Y += layoutHeight;
}
this.render.EndClipRect();
//フッターを印刷する
if (this.Footer != null && this.Footer != string.Empty)
{
pos.Y = render.TextArea.Bottom;
this.render.DrawString(this.Footer, this.PageBound.X, pos.Y, StringAlignment.Center,
new Size(this.PageBound.Width, render.FooterHeight));
}
return;
}
public PrintableView(Document doc, IPrintableTextRender r, Padding margin)
: base(doc, r, margin)
{
}
