/// <summary>
/// 打印指定页面
/// </summary>
/// <param name="myPage">页面对象</param>
/// <param name="g">绘图操作对象</param>
/// <param name="MainClipRect">主剪切矩形</param>
/// <param name="UseMargin">是否启用页边距</param>
public virtual void DrawPage(
PrintPage myPage,
System.Drawing.Graphics g,
System.Drawing.Rectangle MainClipRect,
bool UseMargin)
{
//XPageSettings pageSettings = myPage.PageSettings;
int LeftMargin = 0;
int TopMargin = 0;
int RightMargin = 0;
int BottomMargin = 0;
if (UseMargin)
{
LeftMargin = (int)myPage.ViewLeftMargin;
TopMargin = (int)myPage.ViewTopMargin;
RightMargin = (int)myPage.ViewRightMargin;
BottomMargin = (int)myPage.ViewBottomMargin;
}
this.OnBeforeDrawPage(myPage, g);
IntPtr hdc = g.GetHdc();
DeviceCapsClass dcc = new DeviceCapsClass(hdc);
g.ReleaseHdc();
g.PageUnit = myDocument.DocumentGraphicsUnit;
System.Drawing.Rectangle ClipRect = System.Drawing.Rectangle.Empty;
if (this.strPageHeadText != null)
{
// 绘制标题文本
g.DrawString(
strPageHeadText,
System.Windows.Forms.Control.DefaultFont,
System.Drawing.Brushes.Red,
20,
20,
System.Drawing.StringFormat.GenericDefault);
}
float printableAreaOffsetX = (float)GraphicsUnitConvert.Convert(
myPrintableAreaOffset.X / 100.0,
System.Drawing.GraphicsUnit.Inch,
myDocument.DocumentGraphicsUnit);
float printableAreaOffsetY = (float)GraphicsUnitConvert.Convert(
myPrintableAreaOffset.Y / 100.0,
System.Drawing.GraphicsUnit.Inch,
myDocument.DocumentGraphicsUnit);
if (this.bolDrawHead)
{
// 绘制页眉
if (myPage.HeaderHeight > 0)
{
g.ResetTransform();
g.ResetClip();
ClipRect = new System.Drawing.Rectangle(
0,
0,
myPage.Width,
myPage.HeaderHeight);
g.ScaleTransform(this.XZoomRate, this.YZoomRate);
g.TranslateTransform(
LeftMargin - printableAreaOffsetX,
TopMargin - printableAreaOffsetY);
g.SetClip(new System.Drawing.Rectangle(
ClipRect.Left,
ClipRect.Top,
ClipRect.Width + 1,
ClipRect.Height + 1));
PageDocumentPaintEventArgs args = new PageDocumentPaintEventArgs(
g,
ClipRect,
myDocument,
myPage,
PageContentPartyStyle.Header);
args.ContentBounds = ClipRect;
args.PageIndex = myPage.GlobalIndex;
args.NumberOfPages = this.Pages.Count;
args.ContentBounds = ClipRect;
myDocument.DrawContent(args);
//DesignPaintEventArgs e = new DesignPaintEventArgs( g , ClipRect );
//myDocument.RefreshView( e );
}
g.ResetClip();
g.ResetTransform();
}
// 绘制页面正文
ClipRect = new System.Drawing.Rectangle(
0,
myPage.Top,
myPage.Width,
myPage.Height);
if (!MainClipRect.IsEmpty)
{
ClipRect = System.Drawing.Rectangle.Intersect(ClipRect, MainClipRect);
}
if (!ClipRect.IsEmpty)
{
g.ScaleTransform(this.XZoomRate, this.YZoomRate);
g.TranslateTransform(
LeftMargin - printableAreaOffsetX,
TopMargin - myPage.Top + myPage.HeaderHeight - printableAreaOffsetY);
//System.Drawing.Drawing2D.GraphicsPath clipPath = new System.Drawing.Drawing2D.GraphicsPath();
//clipPath.AddRectangle( ClipRect );
//g.SetClip( clipPath );
//g.TranslateTransform( myPages.LeftMargin , myPages.TopMargin - myPage.Top + myPages.HeadHeight );
System.Drawing.RectangleF rect = DrawerUtil.FixClipBounds(
g,
ClipRect.Left,
ClipRect.Top,
ClipRect.Width,
ClipRect.Height);
rect.Offset(-4, -4);
rect.Width = rect.Width + 8;
rect.Height = rect.Height + 8;
g.SetClip(rect);
// System.Drawing.RectangleF rect2 = g.ClipBounds ;
// if( rect.Top < rect2.Top )
// {
// float dy = rect2.Top - rect.Top ;
// rect.Y = rect.Y - dy * 2 ;
// rect.Height = rect.Height + dy * 4 ;
// }
// g.SetClip( rect );
PageDocumentPaintEventArgs args = new PageDocumentPaintEventArgs(
g,
ClipRect,
myDocument,
myPage,
PageContentPartyStyle.Body);
args.PageIndex = myPage.GlobalIndex;
args.NumberOfPages = this.Pages.Count;
args.ContentBounds = ClipRect;
myDocument.DrawContent(args);
//myDocument.DrawDocument( g , ClipRect );
//DesignPaintEventArgs e = new DesignPaintEventArgs( g , ClipRect );
//myDocument.RefreshView( e );
}
if (this.bolDrawFooter)
{
// 绘制页脚
if (myPage.FooterHeight > 0)
{
g.ResetClip();
g.ResetTransform();
int documentHeight = myPage.DocumentHeight;
ClipRect = new System.Drawing.Rectangle(
0,
documentHeight - myPage.FooterHeight,
myPage.Width,
myPage.FooterHeight);
int dy = 0;
if (UseMargin)
{
dy = (int)(myPage.ViewPaperHeight
- myPage.ViewBottomMargin);
}
else
{
dy = (int)(myPage.ViewPaperHeight
- myPage.ViewBottomMargin
- myPage.ViewTopMargin);
}
g.ScaleTransform(this.XZoomRate, this.YZoomRate);
g.TranslateTransform(
LeftMargin - printableAreaOffsetX,
dy - printableAreaOffsetY);
g.SetClip(new System.Drawing.Rectangle(
ClipRect.Left,
ClipRect.Top,
ClipRect.Width + 1,
ClipRect.Height + 1));
PageDocumentPaintEventArgs args = new PageDocumentPaintEventArgs(
g,
ClipRect,
myDocument,
myPage,
PageContentPartyStyle.Footer);
args.ContentBounds = ClipRect;
args.PageIndex = myPage.GlobalIndex;
args.NumberOfPages = this.Pages.Count;
myDocument.DrawContent(args);
//DesignPaintEventArgs e = new DesignPaintEventArgs( g , ClipRect );
//myDocument.RefreshView( e );
}
} //if( this.bolDrawFooter )
} //public void DrawPage()
/// <summary>
/// 已重载:绘制文档内容
/// </summary>
/// <param name="e">绘制事件参数</param>
protected override void OnPaint(System.Windows.Forms.PaintEventArgs e)
{
//if (this.DesignMode)
{
base.OnPaint(e);
}
if (this.IsUpdating)
{
return;
}
System.Drawing.Rectangle clipRect = e.ClipRectangle;
clipRect.Height += 1;
System.Drawing.Point sp = this.AutoScrollPosition;
//int ax = - this.AutoScrollPosition.X ;
//int ay = - this.AutoScrollPosition.Y ;
this.RefreshScaleTransform();
if (this.PagesTransform == null || this.PagesTransform.Count == 0)
{
// 没有任何内容可以绘制
return;
}
if (this.ViewMode == PageViewMode.Normal)
{
using (SolidBrush b = new SolidBrush(this.PageBackColor))
{
e.Graphics.FillRectangle(b, e.ClipRectangle);
}
SimpleRectangleTransform item = this.PagesTransform[0];
PrintPage myPage = (PrintPage)item.PageObject;
Rectangle rect = item.SourceRect;
rect.Width = rect.Width + 30;
rect = Rectangle.Intersect(
clipRect,
rect);
if (rect.IsEmpty == false)
{
// 保存状态
System.Drawing.Drawing2D.GraphicsState state2 = e.Graphics.Save();
//try
{
PaintEventArgs e2 = this.CreatePaintEventArgs(e, item);
if (e2 != null)
{
PageDocumentPaintEventArgs e3 = new PageDocumentPaintEventArgs(
e2.Graphics,
e2.ClipRectangle,
myPage.Document,
myPage,
item.ContentStyle);
e3.ContentBounds = item.DescRect;
e3.RenderMode = ContentRenderMode.Paint;
e3.PageIndex = myPage.PageIndex;
e3.NumberOfPages = this.Pages.Count;
//e3.EditMode = this.EditMode;
if (myPage.Document != null)
{
myPage.Document.DrawContent(e3);
}//if
}
}
//catch (Exception ext)
//{
// System.Console.WriteLine(ext.ToString());
//}
// 恢复状态
e.Graphics.Restore(state2);
}
return;
}
//
MultiPageTransform trans = ( MultiPageTransform )this.Transform;
// trans.ClearSourceOffset();
// trans.OffsetSource( sp.X , sp.Y , true );
System.Drawing.Graphics g = e.Graphics;
//System.Drawing.Drawing2D.GraphicsState stateBack = e.Graphics.Save();
foreach (PrintPage myPage in this.Pages)
{
System.Drawing.Rectangle ClientBounds = myPage.ClientBounds;
ClientBounds.Offset(sp);
ClientBounds.Width = ClientBounds.Width + 20;
//if( clipRect.Top <= ClientBounds.Bottom + 5
// && clipRect.Bottom >= ClientBounds.Top )
if (clipRect.IntersectsWith(
new Rectangle(
ClientBounds.Left,
ClientBounds.Top,
ClientBounds.Width + 5,
ClientBounds.Height + 5)))
{
//this.SetPageIndex( myPage.Index );
//e.Graphics.Restore(stateBack);
//e.Graphics.ResetClip();
DrawPageFrame(
myPage,
e.Graphics,
clipRect,
true);
for (int iCount = trans.Count - 1; iCount >= 0; iCount--)
{
SimpleRectangleTransform item = trans[iCount];
if (item.Visible && item.PageObject == myPage)
{
// 显示页眉页脚标记文本
if (item.ContentStyle == PageContentPartyStyle.Header)
{
if (this.HeaderFooterFlagVisible == HeaderFooterFlagVisible.Header ||
this.HeaderFooterFlagVisible == HeaderFooterFlagVisible.HeaderFooter)
{
// 绘制页眉标记
//e.Graphics.Restore(stateBack);
DrawHeaderFooterFlag(
PrintingResources.Header,
item.PartialAreaSourceBounds,
e.Graphics);
}
}
else if (item.ContentStyle == PageContentPartyStyle.Footer)
{
if (this.HeaderFooterFlagVisible == HeaderFooterFlagVisible.Footer ||
this.HeaderFooterFlagVisible == HeaderFooterFlagVisible.HeaderFooter)
{
// 绘制页脚标记
//e.Graphics.Restore(stateBack);
DrawHeaderFooterFlag(
PrintingResources.Footer,
item.PartialAreaSourceBounds,
e.Graphics);
}
}
Rectangle rect = item.SourceRect;
rect = Rectangle.Intersect(
clipRect,
rect);
if (rect.IsEmpty == false)
{
System.Drawing.Drawing2D.GraphicsState state2 = e.Graphics.Save();
PaintEventArgs e2 = this.CreatePaintEventArgs(e, item);
if (e2 != null)
{
PageDocumentPaintEventArgs e3 = new PageDocumentPaintEventArgs(
e2.Graphics,
e2.ClipRectangle,
myPage.Document,
myPage,
item.ContentStyle);
e3.ContentBounds = item.DescRect;
e3.RenderMode = ContentRenderMode.Paint;
e3.PageIndex = myPage.PageIndex;
e3.NumberOfPages = this.Pages.Count;
//e3.EditMode = this.EditMode;
if (myPage.Document != null)
{
myPage.Document.DrawContent(e3);
}//if
}
e.Graphics.Restore(state2);
if (item.Enable == false)
{
// 若区域无效则用白色半透明进行覆盖，以作标记
using (System.Drawing.SolidBrush maskBrush
= new SolidBrush(Color.FromArgb(140, this.PageBackColor)))
{
e.Graphics.FillRectangle(
maskBrush,
rect.Left,
rect.Top,
rect.Width + 2,
rect.Height + 2);
}
}
} //if
// ClipRect.Height -= 1;
}
} //foreach
} //if
} //foreach
DrawHeadShadow();
//base.OnPaint( e );
//e.Graphics.Flush(System.Drawing.Drawing2D.FlushIntention.Sync);
//System.Threading.Thread.Sleep(100);
}
