/// <summary>
/// 适应页宽
/// </summary>
public void FullWidth()
{
if (reportDatas == null)
{
return;
}
//先假设没有垂直滚动条
//I3ReportData reportData = reportDatas.Datas[0];//取第1个报表的页面设置
float paperWidthPX = 0;
for (int i = 0; i < reportDatas.PrintAreas.Dic.Count; i++)
{
I3ReportData rd = reportDatas.GetReportDataByAreaIndex(i);
I3PageSetting p = rd.PageSetting;
if (p.PaperWidthPX > paperWidthPX)
{
paperWidthPX = p.PaperWidthPX;
}
}
Scale = ((float)this.Width - 0 - pageInterval * 2) / paperWidthPX - 0.01F;
if (VScrollVisible) //如果有，再加上
{
Scale = ((float)this.Width - (float)SystemInformation.VerticalScrollBarWidth - pageInterval * 2) / paperWidthPX - 0.01F;
}
}
/// <summary>
/// 计算纸张的大小 单位像素
/// </summary>
/// <param name="setting"></param>
/// <returns></returns>
public static PaperSizeF GetPaperSizePX(I3PageSetting setting)
{
PaperSizeF size = GetPaperSizeMM(setting);
size.Width = PaperSizeHelper.MM2PX(size.Width);
size.Height = PaperSizeHelper.MM2PX(size.Height);
return(size);
}
static void document_PrintPage(object sender, PrintPageEventArgs e)
{
//float scale = (100F / 96F) * (600F / e.Graphics.DpiX); //打印机600DPI对应屏幕96DPI //这个转换与dpi无关
float scale = (100F / 96F);
float phyOffsetX = 0;
float phyOffsetY = 0;
IntPtr hdc = e.Graphics.GetHdc();
try
{
float width = I3Win32PrintHelper.GetPaperWidth(hdc); //纸张的宽度（打印机单位）
float height = I3Win32PrintHelper.GetPaperHeight(hdc);
phyOffsetX = I3Win32PrintHelper.GetPaperPhyOffsetX(hdc); //纸张的X偏移（打印机单位）
phyOffsetX = phyOffsetX * e.PageBounds.Width / width; //转换为 1/100 英寸
phyOffsetX *= scale; //转换为像素
phyOffsetY = I3Win32PrintHelper.GetPaperPhyOffsetY(hdc);
phyOffsetY = phyOffsetY * e.PageBounds.Height / height;
phyOffsetY *= scale;
}
finally
{
e.Graphics.ReleaseHdc(hdc);
}
I3PrintDocument document = sender as I3PrintDocument;
I3ReportData reportData = document.ReportDatas.GetReportDataByAreaIndex(document.NextPage - 1);
I3PageSetting setting = reportData.PageSetting;
if (document.NextPage > 0 && document.NextPage <= document.EndPage)
{
RectangleF rect = new RectangleF(e.MarginBounds.X, e.MarginBounds.Y, e.MarginBounds.Width, e.MarginBounds.Height);
rect.X -= phyOffsetX;
rect.Y -= phyOffsetY;
RectangleF contentRect = new RectangleF(setting.PaperContentRect.X * scale, setting.PaperContentRect.Y * scale,
setting.PaperContentRect.Width * scale, setting.PaperContentRect.Height * scale);
contentRect.X -= phyOffsetX;
contentRect.Y -= phyOffsetY;
PrintAreaToGraphics(e.Graphics, scale, rect, contentRect, document.ReportDatas,
document.ReportDatas.PrintAreas.Dic[document.NextPage - 1], document.PaintPageIndex, document.NextPage - 1);
if (document.NextPage < document.EndPage)
{
document.NextPage += 1;
e.HasMorePages = true;
}
else
{
document.NextPage = -1;
e.HasMorePages = false;
}
}
else
{
e.HasMorePages = false;
}
}
private static I3PrintAreas CalPrintAreasByCols(I3ReportData reportData, I3PrintAreas rowAreas)
{
I3PageSetting setting = reportData.PageSetting;
float paperWidth = setting.PaperContentRect.Width;
I3PrintAreas printAreas = new I3PrintAreas();
foreach (int row in rowAreas.Dic.Keys)
{
I3PrintArea rowArea = rowAreas.Dic[row];
float totalWidth = rowArea.Width;
List <int> cols = new List <int>();
for (int j = 0; j < reportData.ColCount; j++)
{
if (reportData.Cols[j].Type != I3RowColType.数据 || reportData.Cols[j].Type == I3RowColType.None)
{
continue;
}
int colWidth = reportData.Cols[j].Width;
#region 在此列前分页
//列后分页,条件：已有列被添加，前面一列的列后分页属性=true，已有列的总宽度>0
bool breakBeforeThisCol = cols.Count > 0 && reportData.Cols[cols[cols.Count - 1]].PageBreak && totalWidth > rowArea.Width;
//尺寸超过
breakBeforeThisCol = breakBeforeThisCol || (setting.ColsPagerStyle == PagerStyle.纸张尺寸分页 && totalWidth + colWidth > paperWidth);
//列数超过
breakBeforeThisCol = breakBeforeThisCol || (setting.ColsPagerStyle == PagerStyle.数据行列数分页 && cols.Count >= setting.ColsPerPage);
if (breakBeforeThisCol)
{
I3PrintArea area = rowArea.Clone().AddCols(cols);
area.Width = totalWidth;
printAreas.Add(printAreas.Dic.Count, area);
totalWidth = rowArea.Width + colWidth;
cols.Clear();
cols.Add(j);
continue;
}
#endregion
//不分页
totalWidth += colWidth;
cols.Add(j);
}
//最后有些列未能分页
if (cols.Count > 0)
{
I3PrintArea area = rowArea.Clone().AddCols(cols);
area.Height = totalWidth;
printAreas.Add(printAreas.Dic.Count, area);
}
}
return(printAreas);
}
private static I3PrintAreas CalPrintAreasByRows(I3ReportData reportData)
{
I3PageSetting setting = reportData.PageSetting;
float paperHeight = setting.PaperContentRect.Height;
I3PrintArea defaultArea = GetDefaultRowPrintArea(reportData);
//先按行划分
I3PrintAreas rowPrintAreas = new I3PrintAreas();
float totalHeight = defaultArea.Height;
List <int> rows = new List <int>();
for (int i = 0; i < reportData.RowCount; i++)
{
if (reportData[i].Type != I3RowColType.数据 || reportData[i].Type == I3RowColType.None)
{
continue;
}
int rowHeight = reportData[i].Height;
#region 在此行前分页
//已有行被添加，前面一行的行后分页属性=true，已有行的总高度>0
bool breakBeforeThisRow = rows.Count > 0 && reportData[rows[rows.Count - 1]].PageBreak && totalHeight > defaultArea.Height;
//尺寸超过 条件：加上当前行后超过
breakBeforeThisRow = breakBeforeThisRow || (setting.RowsPagerStyle == PagerStyle.纸张尺寸分页 && totalHeight + rowHeight > paperHeight);
//行数超过
breakBeforeThisRow = breakBeforeThisRow || (setting.RowsPagerStyle == PagerStyle.数据行列数分页 && rows.Count >= setting.RowsPerPage);
if (breakBeforeThisRow)
{
I3PrintArea area = defaultArea.Clone().AddRows(rows);
area.Height = totalHeight;
rowPrintAreas.Add(rowPrintAreas.Dic.Count, area);
totalHeight = defaultArea.Height + rowHeight;
rows.Clear();
rows.Add(i); //不能用i--，如果某行大于整页宽度，会死循环
continue;
}
#endregion
//不分页
totalHeight += rowHeight;
rows.Add(i);
}
//最后有些行未能分页
if (rows.Count > 0)
{
I3PrintArea area = defaultArea.Clone().AddRows(rows);
area.Height = totalHeight;
rowPrintAreas.Add(rowPrintAreas.Dic.Count, area);
}
return(rowPrintAreas);
}
private RectangleF GetAreaContentRect(I3PrintArea area)
{
I3ReportData reportData = reportDatas.GetReportDataByAreaIndex(area.Index);
I3PageSetting setting = reportData.PageSetting;
float offsetY = vScrollBar.Value;
float offsetX = hScrollBar.Value;
RectangleF contentRect = new RectangleF(setting.PaperContentRect.X * scale, setting.PaperContentRect.Y * scale, setting.PaperContentRect.Width * scale, setting.PaperContentRect.Height * scale);
//调整y位置
for (int i = 0; i < area.Index; i++)
{
I3ReportData rd = reportDatas.GetReportDataByAreaIndex(i);
I3PageSetting s = rd.PageSetting;
contentRect.Y = contentRect.Y + s.PaperRect.Height * scale + pageInterval;
}
contentRect.Y = contentRect.Y + pageInterval - offsetY;
if (!VScrollVisible && !alignTop)
{
float totalHeight = 0;
for (int i = 0; i < reportDatas.PrintAreas.Dic.Count; i++)
{
I3ReportData rd = reportDatas.GetReportDataByAreaIndex(i);
I3PageSetting s = rd.PageSetting;
totalHeight = totalHeight + s.PaperRect.Height * scale + pageInterval;
}
contentRect.Y += (int)((this.Height - HScrollHeight - totalHeight) / 2);
}
//调整x位置
contentRect.X = contentRect.X + pageInterval - offsetX;
//if (!HScrollVisible)
{
float totalWidth = setting.PaperRect.Width * scale + pageInterval;
contentRect.X += (int)((this.Width - VScrollWidth - totalWidth) / 2);
}
return(contentRect);
#region 111
//I3ReportData reportData = reportDatas.Datas[0];//取第1个报表的页面设置
//I3PageSetting setting = reportData.PageSetting;
//float singleHeight = setting.PaperHeightPX * Scale + pageInterval;
//float singleWidth = setting.PaperWidthPX * Scale + pageInterval;
//float offsetY = vScrollBar.Value;
//float offsetX = hScrollBar.Value;
//RectangleF contentRect = new RectangleF(setting.PaperContentRect.X * scale, setting.PaperContentRect.Y * scale, setting.PaperContentRect.Width * scale, setting.PaperContentRect.Height * scale);
//contentRect.Y = contentRect.Y + pageInterval + area.Index * singleHeight - offsetY;
//contentRect.X = contentRect.X + pageInterval - offsetX;
//if (!VScrollVisible && !alignTop)
//{
// float totalHeight = singleHeight * reportDatas.PrintAreas.Dic.Count + pageInterval;
// contentRect.Y += (int)((this.Height - HScrollHeight - totalHeight) / 2);
//}
//if (!HScrollVisible)
//{
// float totalWidth = singleWidth + pageInterval;
// contentRect.X += (int)((this.Width - VScrollWidth - totalWidth) / 2);
//}
//return contentRect;
#endregion
}
/// <summary>
/// 获取默认打印区域信息（包含标题行、表头、表尾、页眉、页脚）
/// </summary>
/// <param name="area"></param>
/// <param name="reportData"></param>
private static I3PrintArea GetDefaultRowPrintArea(I3ReportData reportData)
{
I3PrintArea area = new I3PrintArea();
#region 行
for (int i = 0; i < reportData.RowCount; i++)
{
switch (reportData[i].Type)
{
case I3RowColType.页眉:
area.HeaderRows.Add(i, i);
break;
case I3RowColType.页脚:
area.FooterRows.Add(i, i);
break;
case I3RowColType.标题:
case I3RowColType.表头:
case I3RowColType.表尾:
area.DataRows.Add(i, i);
area.Height += reportData[i].Height;
break;
default:
break;
}
}
#endregion
#region 列
for (int i = 0; i < reportData.ColCount; i++)
{
switch (reportData.Cols[i].Type)
{
case I3RowColType.页眉:
area.HeaderCols.Add(i, i);
break;
case I3RowColType.页脚:
area.FooterCols.Add(i, i);
break;
case I3RowColType.标题:
case I3RowColType.表头:
case I3RowColType.表尾:
area.DataCols.Add(i, i);
area.Width += reportData.Cols[i].Width;
break;
default:
break;
}
}
#endregion
#region 检查
I3PageSetting setting = reportData.PageSetting;
if (setting.RowsPagerStyle == PagerStyle.纸张尺寸分页)
{
if (area.Width > setting.PaperContentRect.Width)
{
throw new Exception("标题列、表头列、表尾列宽度之和大于纸张可用区域，无法分页！");
}
if (area.Height > setting.PaperContentRect.Height)
{
throw new Exception("标题行、表头行、表尾行高度之和大于纸张可用区域，无法分页！");
}
}
#endregion
return(area);
}
/// <summary>
/// 计算纸张的大小 单位mm
/// </summary>
/// <param name="setting"></param>
/// <returns></returns>
public static PaperSizeF GetPaperSizeMM(I3PageSetting setting)
{
PaperSizeF size = null;
#region 根据纸张类型获取大小
switch (setting.PaperType)
{
case PaperType.Custom:
size = new PaperSizeF(setting.CustomPaperWidthMM, setting.CustomPaperHeightMM);
break;
case PaperType.A1:
size = new PaperSizeF(594, 841);
break;
case PaperType.A2:
size = new PaperSizeF(420, 594);
break;
case PaperType.A3:
size = new PaperSizeF(297, 420);
break;
case PaperType.A4:
size = new PaperSizeF(210, 297);
break;
case PaperType.A5:
size = new PaperSizeF(148, 210);
break;
case PaperType.B1:
size = new PaperSizeF(707, 1000);
break;
case PaperType.B2:
size = new PaperSizeF(500, 707);
break;
case PaperType.B3:
size = new PaperSizeF(353, 500);
break;
case PaperType.B4:
size = new PaperSizeF(250, 353);
break;
case PaperType.B5:
size = new PaperSizeF(176, 250);
break;
case PaperType.A0:
size = new PaperSizeF(841, 1189);
break;
case PaperType.B0:
size = new PaperSizeF(1000, 1414);
break;
case PaperType.B4JIS:
size = new PaperSizeF(257, 364);
break;
case PaperType.B5JIS:
size = new PaperSizeF(182, 257);
break;
default: //默认A4
size = new PaperSizeF(210, 297);
break;
}
#endregion
//横向调换
if (setting.PaperOrientation == PaperOrientation.横向)
{
float tmp = size.Height;
size.Height = size.Width;
size.Width = tmp;
}
return(size);
}
