public override void AdjustCellSize(int width, int height, SizeF needSizeF, I3ReportCellStyle style, I3ReportCell cell, I3MergeRange range, I3ReportData reportData, bool prepareNarrow)
{
I3ReportImageCell imageCell = cell as I3ReportImageCell;
int doubleSplit = ImageSplit * 2;
if (needSizeF.Width > width - doubleSplit || needSizeF.Height > height - doubleSplit)
{
switch (style.AdjustSize)
{
case I3AdjustSize.扩大单元格:
#region 扩大单元格
if (needSizeF.Width > width - doubleSplit)
{
float pro = (needSizeF.Width + doubleSplit) / width;
for (int i = range.StartCol; i <= range.EndCol; i++)
{
reportData.Cols[i].Width = (int)(reportData.Cols[i].Width * pro);
}
}
if (needSizeF.Height > height - doubleSplit)
{
float pro = (needSizeF.Height + doubleSplit) / height;
for (int i = range.StartRow; i <= range.EndRow; i++)
{
reportData[i].Height = (int)(reportData[i].Height * pro);
}
}
cell.StringTrimming = StringTrimming.None;
#endregion
break;
case I3AdjustSize.缩小内容:
#region 缩小内容
if (prepareNarrow)
{
//先使宽度一致
imageCell.CalWidth = width - doubleSplit;
imageCell.CalHeight = imageCell.Height * imageCell.CalWidth / imageCell.Width;
//如果高度太大，则使高度一致
if (imageCell.CalHeight > height - doubleSplit)
{
imageCell.CalHeight = height - doubleSplit;
imageCell.CalWidth = imageCell.Width * imageCell.CalHeight / imageCell.Height;
}
}
#endregion
break;
default: //都不变，调整为图片不按比例缩小
#region 图片不按比例缩小
imageCell.CalWidth = width - doubleSplit;
imageCell.CalHeight = height - doubleSplit;
#endregion
break;
}
}
}
public override SizeF CalCellNeedSize(int orgWidth, int orgHeight, I3ReportCellStyle style, I3ReportCell cell)
{
SizeF sizeF = new SizeF();
I3ReportImageCell imageCell = cell as I3ReportImageCell;
sizeF.Width = imageCell.Width;
sizeF.Height = imageCell.Height;
return(sizeF);
}
/// <summary>
/// 获取或创建带图片的单元格
/// </summary>
/// <param name="row"></param>
/// <param name="col"></param>
/// <returns></returns>
public I3ReportImageCell GetOrCreateImageItem(int row, int col)
{
I3ReportImageCell item = GetCellItem(row, col) as I3ReportImageCell;
if (item == null)
{
item = new I3ReportImageCell(row, col);
this[row][col] = item;
}
return(item);
}
public override RectangleF DrawContent(Graphics g, float scale, I3ReportData reportData, I3ReportCell cell, System.Drawing.RectangleF rect, I3ReportCellStyle style, I3PrintArea area, bool draw)
{
I3ReportImageCell imageCell = cell as I3ReportImageCell;
if (imageCell.ImageData == null)
{
return(RectangleF.Empty);
}
try
{
using (MemoryStream stream = new MemoryStream(imageCell.ImageData))
{
using (Bitmap bitmap = new Bitmap(stream))
{
float width = imageCell.CalWidth > 0 ? imageCell.CalWidth : imageCell.Width;
width *= scale;
float heigth = imageCell.CalHeight > 0 ? imageCell.CalHeight : imageCell.Height;
heigth *= scale;
RectangleF destRect = new RectangleF((float)rect.X + (float)rect.Width / 2F - (float)width / 2F,
(float)rect.Y + (float)rect.Height / 2F - (float)heigth / 2F,
width,
heigth);
RectangleF srcRect = new RectangleF(0F, 0F, (float)bitmap.Width, (float)bitmap.Height);
if (draw && !destRect.IsEmpty)
{
g.DrawImage(bitmap, destRect, srcRect, GraphicsUnit.Pixel);
}
return(destRect);
}
}
}
catch
{
RectangleF destRect = new RectangleF((float)rect.X + (float)rect.Width / 2F - (float)100 / 2F,
(float)rect.Y + (float)rect.Height / 2F - (float)100 / 2F,
100,
100);
return(destRect);
}
}
/// <summary>
/// 转换为图片单元格，复制所有属性（目的是为了在ReportData经过json转换后，找回Cell中丢失的单元格类型信息，要求I3ReportImageCell代码中的属性，全部写在I3ReportCell中）
/// </summary>
/// <param name="row"></param>
/// <param name="col"></param>
/// <returns></returns>
public I3ReportImageCell ConvertToImageItem(int row, int col)
{
I3ReportCell old = GetCellItem(row, col);
if (old != null && old is I3ReportImageCell)
{
return(old as I3ReportImageCell);
}
I3ReportImageCell item = null;
if (old == null)
{
item = new I3ReportImageCell(row, col);
}
else
{
string json = I3JsonConvert.ToJson(old);
item = (I3ReportImageCell)I3JsonConvert.FromJson(json, typeof(I3ReportImageCell));
}
this[row][col] = item;
return(item);
}
private void exportAreaToSheet(I3PrintArea area, HSSFWorkbook workbook, ISheet sheet, ref int rowCount, Dictionary <string, HSSFCellStyle> styleDic, Dictionary <string, IFont> fontDic)
{
HSSFCellStyle emptyStyle = createEmptyStyle(workbook);
//导出行、单元格
foreach (int rowIndex in area.AllRows)
{
//设置行高
rowCount++;
IRow row = sheet.CreateRow(rowCount - 1);
I3ReportRow rowData = area.ReportData.Rows[rowIndex];
if (rowData.PageBreak) //分页符
{
sheet.SetRowBreak(rowCount - 1);
}
double dh = (double)rowData.Height * (double)15.305838;
dh = dh * (double)1.1;
int height = (int)Math.Ceiling(dh);
row.Height = (short)height;
//设置文本
int colIndex = -1;
foreach (I3ReportCell cellData in rowData.Cells)
{
colIndex++;
ICell cell = row.CreateCell(colIndex);
bool hasReturnInText = false;
if (cellData.MergState != I3MergeState.Merged)
{
hasReturnInText = !string.IsNullOrEmpty(cellData.Text) && cellData.Text.IndexOf("{r}") >= 0;
if (cellData is I3ReportImageCell)
{
I3ReportImageCell imageCell = (I3ReportImageCell)cellData;
byte[] bytes = imageCell.ImageData;
if (bytes != null && bytes.Length > 0)
{
try
{
int pictureIdx = workbook.AddPicture(bytes, PictureType.JPEG);
HSSFPatriarch patriarch = (HSSFPatriarch)sheet.CreateDrawingPatriarch();
// 插图片的位置 HSSFClientAnchor（dx1,dy1,dx2,dy2,col1,row1,col2,row2) 后面再作解释
int row1 = rowCount - 1;
int row2 = rowCount - 1;
int col1 = colIndex;
int col2 = colIndex;
if (cellData.MergState == I3MergeState.FirstCell)
{
I3MergeRange mr = area.ReportData.GetMergeRange(cellData.Row, cellData.Col);
row2 = rowCount - 1 + mr.EndRow - mr.StartRow;
col2 = mr.EndCol;
}
HSSFClientAnchor anchor = new HSSFClientAnchor(0, 0, 0, 0, col1, row1, col2, row2);
//把图片插到相应的位置
HSSFPicture pict = (HSSFPicture)patriarch.CreatePicture(anchor, pictureIdx);
}
catch
{
}
}
}
else
{
string text = string.IsNullOrEmpty(cellData.Text) ? "" : cellData.Text.Replace("{r}", "\r\n");
//特殊符号....使用替换符如{1级钢筋}{WL}{屈特比}
cell.SetCellValue(text);
}
}
//设置样式
int lastRowIndex = area.AllRows[area.AllRows.Length - 1];
bool isLastRow = rowData.Row == lastRowIndex;
bool isLastCol = cellData.Col == area.ReportData.Cols.Length - 1;
setCellStyle(workbook, sheet, cell, area, cellData, styleDic, fontDic, hasReturnInText, isLastRow, isLastCol, emptyStyle);
//设置合并
if (cellData.MergState == I3MergeState.FirstCell)
{
I3MergeRange mr = area.ReportData.GetMergeRange(cellData.Row, cellData.Col);
CellRangeAddress ra = new CellRangeAddress(rowCount - 1, rowCount - 1 + mr.EndRow - mr.StartRow, mr.StartCol, mr.EndCol);
sheet.AddMergedRegion(ra);
}
}
}
}