protected override void RefreshScaleTransform()
{
MultiPageTransform trans = (MultiPageTransform)this.myTransform;
intGraphicsUnit = myPages.GraphicsUnit;
trans.Rate = GraphicsUnitConvert.GetRate(intGraphicsUnit, System.Drawing.GraphicsUnit.Pixel);
//float rate = ( float )( 1.0 / this.ClientToViewXRate );
//trans.Pages = myPages ;
//trans.Refresh( rate , this.intPageSpacing );
System.Drawing.Point sp = this.AutoScrollPosition;
trans.ClearSourceOffset();
trans.OffsetSource(sp.X, sp.Y, true);
// myClientMargins = new System.Drawing.Printing.Margins(
// ( int ) ( myPages.LeftMargin * rate ),
// ( int ) ( myPages.RightMargin * rate ) ,
// ( int ) ( myPages.TopMargin * rate ),
// ( int ) ( myPages.BottomMargin * rate ));
//
// myClientPageSize = new System.Drawing.Size(
// ( int) ( myPages.PaperWidth * rate ) ,
// ( int ) ( myPages.PaperHeight * rate ));
}
//
// private void UpdateTransform()
// {
// float rate = ( float )( 1.0 / this.ClientToViewXRate );
// MultiPageTransform trans = ( MultiPageTransform ) this.myTransform ;
// trans.Pages = myPages ;
// trans.Refresh( rate , this.intPageSpacing );
// }
/// <summary>
/// 根据分页信息更新页面排布
/// </summary>
public virtual void UpdatePages()
{
if (Common.StackTraceHelper.CheckRecursion())
{
return;
}
float rate = (float)(1.0 / this.ClientToViewXRate);
System.Drawing.Size size = new System.Drawing.Size(
(int)(myPages.PaperWidth * rate),
(int)(myPages.PaperHeight * rate));
System.Drawing.Size TotalSize = new System.Drawing.Size(
size.Width + this.intPageSpacing * 2,
(size.Height + this.intPageSpacing) * myPages.Count + this.intPageSpacing);
if (this.AutoScrollMinSize.Equals(TotalSize) == false)
{
this.AutoScrollMinSize = TotalSize;
}
MultiPageTransform trans = (MultiPageTransform)this.myTransform;
base.intGraphicsUnit = myPages.GraphicsUnit;
trans.Pages = myPages;
trans.Refresh(rate, this.intPageSpacing);
myClientMargins = new System.Drawing.Printing.Margins(
(int)(myPages.LeftMargin * rate),
(int)(myPages.RightMargin * rate),
(int)(myPages.TopMargin * rate),
(int)(myPages.BottomMargin * rate));
myClientPageSize = new System.Drawing.Size(
(int)(myPages.PaperWidth * rate),
(int)(myPages.PaperHeight * rate));
int ClientWidth = this.ClientSize.Width;
int x = 0;
if (ClientWidth <= TotalSize.Width)
{
x = this.intPageSpacing;
}
else
{
x = (ClientWidth - TotalSize.Width) / 2 + intPageSpacing;
}
trans.OffsetSource(x, 0, false);
this.RefreshScaleTransform();
System.Drawing.Rectangle rect = System.Drawing.Rectangle.Empty;
for (int iCount = 0; iCount < myPages.Count; iCount++)
{
rect.X = x;
rect.Y = (size.Height + this.intPageSpacing) * iCount + this.intPageSpacing;
rect.Width = size.Width;
rect.Height = size.Height;
myPages[iCount].ClientBounds = rect;
}
this.UpdateCurrentPage();
}