I have iTextSharp 5.4.4 (nuget) and have a nice table with a barcode (ean13) and text below it.
I have specific tablecell heights (and cell widths) because I want to print the pdf to an A4 with stickers.
Here is the current layout:
as you can see, there is a rather large gap between the ean13 code and the text below.
here is my C# code:
PdfPCell c = new PdfPCell();
c.FixedHeight = 21.2f * postScriptPointsPerMilimeter; // to get to accurate milimeters
c.HorizontalAlignment = Element.ALIGN_CENTER;
Paragraph p = new Paragraph();
p.Font.Size = 6;
Chunk code = new Chunk(dr["productcode"].ToString());
p.Alignment = Element.ALIGN_CENTER;
p.Add(code);
BarcodeEAN ean13 = new BarcodeEAN();
ean13.CodeType = BarcodeEAN.EAN13;
ean13.Code = dr["ProductEan13"].ToString();
ean13.BarHeight = 4.0f * postScriptPointsPerMilimeter;
var a = ean13.CreateImageWithBarcode(cb, null, null);
a.ScalePercent(90);
c.AddElement(a);
c.AddElement(p);
t.AddCell(c);
My question is to reduce the space between the barcode and the text. I cannot see if it has something to do with the barcode's margins or the paragraph's or maybe both... hard to troubleshoot.
p.Leading = 0;
That was missing. I thought that
p.SpacingBefore = 0;
would do the trick, but it didn't. Leading did!
Related
I have a PowerPoint template with placeholder data. I need to swap out the placeholder text with some numbers using Node, but I'm having trouble finding a package that supports this. Has anyone seen anything along these lines?
Have you looked into the PowerPoint JavaScript API?
For example:
Call the ShapeCollection.getItem(key) method to get your Shape object
Update the text value via Shape.textFrame.textRange.text
Related example from Microsoft's docs:
// This sample creates a light blue rectangle with braces ("{}") on the left and right ends
// and adds the purple text "Shape text" to the center.
await PowerPoint.run(async (context) => {
const shapes = context.presentation.slides.getItemAt(0).shapes;
const braces = shapes.addGeometricShape(PowerPoint.GeometricShapeType.bracePair);
braces.left = 100;
braces.top = 400;
braces.height = 50;
braces.width = 150;
braces.name = "Braces";
braces.fill.setSolidColor("lightblue");
braces.textFrame.textRange.text = "Shape text";
braces.textFrame.textRange.font.color = "purple";
braces.textFrame.verticalAlignment = PowerPoint.TextVerticalAlignment.middleCentered;
await context.sync();
});
I followed the approach to add a new image with the POI.
cell.getRow().setHeight(img.getHeightForExcel());
sheet.setColumnWidth(cell.getColumnIndex(), img.getWidthForExcel());
final int picID = workBook.addPicture(bytes, Workbook.PICTURE_TYPE_PNG);
/* Create the drawing container */
final XSSFDrawing drawing = (XSSFDrawing) sheet.createDrawingPatriarch();
// ========adding image START
final XSSFClientAnchor myAnchor = new XSSFClientAnchor();
myAnchor.setAnchorType(AnchorType.DONT_MOVE_AND_RESIZE);
/* Define top left corner, and we can resize picture suitable from there */
myAnchor.setCol1(cell.getColumnIndex()); // Column start
myAnchor.setRow1(rowNum - 1); // Row start
myAnchor.setCol2(cell.getColumnIndex() + 2); // Column end (covers two columns)
myAnchor.setRow2(rowNum); // Row end
/* Invoke createPicture and pass the anchor point and ID */
final XSSFPicture myPicture = drawing.createPicture(myAnchor, picID);
In principal this works quite well. I specify the width of the column at the beginning with the width of the image. (The height as well).
The major problem I'm facing is that as soon as I run autoadjust like
for (; i < max; i++) {
xlsWorkbook.getSheet().autoSizeColumn(i);
}
I get the problem that the first two columns are resized as well. But with this the width of the image is resized as well. Since the width might be quite long (or quite narrow) I don't want to affect the image size.
Is there a way to set the width of the image despite the column width?
If you don't want resizing the image when column widths are changing, then you cannot using that approach. This approach explicitly tells that the image shall be sized as the cell size it is anchored to. So if that cell size changes, the pictures size changes too.
You might think that ClientAnchor.AnchorType.DONT_MOVE_AND_RESIZE should protect the image from resizing. But this only is valuable when opened in Excel GUI. Apache poi does not respect ClientAnchor.AnchorType while auto sizing the columns. May be this will change in later versions. But in current version apache poi 5.0.0 it does not.
So to fulfill your requirement you set only a one cell anchor. That is only anchor.setCol1 and anchor.setRow1 as the upper left position of the picture. Then you need resizing the picture later to set the bottom right position. You must do that resizing after all column widths and row heights are set. So after auto sizing the columns. Else the resizing the columns will resizing the picture again.
Complete example:
import org.apache.poi.xssf.usermodel.*;
import org.apache.poi.ss.usermodel.*;
import org.apache.poi.util.IOUtils;
import java.io.InputStream;
import java.io.FileInputStream;
import java.io.FileOutputStream;
class ImageTest {
public static void main(String[] args) throws Exception {
Workbook wb = new XSSFWorkbook();
Sheet sheet = wb.createSheet("My Sample Excel");
//FileInputStream obtains input bytes from the image file
InputStream inputStream = new FileInputStream("./logo.png");
//Get the contents of an InputStream as a byte[].
byte[] bytes = IOUtils.toByteArray(inputStream);
//Adds a picture to the workbook
int pictureIdx = wb.addPicture(bytes, Workbook.PICTURE_TYPE_PNG);
//close the input stream
inputStream.close();
//Returns an object that handles instantiating concrete classes
CreationHelper helper = wb.getCreationHelper();
//Creates the top-level drawing patriarch.
Drawing drawing = sheet.createDrawingPatriarch();
//Create an anchor that is attached to the worksheet
ClientAnchor anchor = helper.createClientAnchor();
//Set anchor type; only valuable in Excel GUI
anchor.setAnchorType(ClientAnchor.AnchorType.MOVE_DONT_RESIZE);
//Create an anchor with upper left cell only
anchor.setCol1(1); //Column B
anchor.setRow1(2); //Row 3
//Create a picture
Picture pict = drawing.createPicture(anchor, pictureIdx);
//Reset the image to the original size
//pict.resize(); // don't do this before autosize column
//Create cell in column B to auto sizing that column
Cell cell = sheet.createRow(0).createCell(1);
cell.setCellValue("12345678901234567890");
sheet.autoSizeColumn(1);
//Reset the image to the original size
//pict.resize();
//Reset the image to half the original size
pict.resize(0.5);
//Write the Excel file
FileOutputStream fileOut = null;
fileOut = new FileOutputStream("./myFile.xlsx");
wb.write(fileOut);
fileOut.close();
}
}
I have an image that is embedded in my solution and is used on the main form of a Winforms app, and also for pasting into a spreadsheet. The image size is 156X121.
I put it on the sheet like so:
var ms = new MemoryStream();
_logo.Save(ms, ImageFormat.Png);
ms.Position = 0;
pivotTableSheet.Pictures.Add(0, _grandTotalsColumnPivotTable, ms);
Yet when it is on the sheet, it stretches out and spills into neighboring cells, partially obscuring other data:
As you can see, the size is no longer 156X121. The height has been increased by 25%. Why? And how can I prevent that?
This code:
MessageBox.Show(string.Format("image height is {0}", _logo.Height));
MessageBox.Show(string.Format("image width is {0}", _logo.Width));
...showed me "126" as the height and "151" as the width, matching the image as it is in the project. So why is the original size changed? Is there a property I can set to leave the size alone and not stretch it? Or how can I prevent this gumbification of the image?
It's bizarre to me that the image is one size (126X151), its original size is purported to be 1.26" X 1.63", and its size after being scaled is 1.57" X 1.63".
Who or what is allowing this 25% increase in Height?
NOTE: If I select the "Reset" button in the image's "Size and Properties" dialog, it shrinks up as I want it to be, setting the Height "back" to 100% from 125%. Is there a way to do this "Reset" programmatically?
UPDATE
Based on the answer, I tried this:
var ms = new MemoryStream();
//_logo.Height = 121; <= cannot set; Height is a readonly property
_logo.Save(ms, ImageFormat.Png);
ms.Position = 0;
pivotTableSheet.Pictures.Add(0, _grandTotalsColumnPivotTable, ms);
Picture pic = pivotTableSheet.Pictures[0];
//Workbook.Worksheets[0].Pictures[0]; <= does not compile
pic.HeightScale = 100;
pic.WidthScale = 100;
(Workbook.Worksheets[0] does not compile for me).
It makes no difference; the image is still stretching vertically.
UPDATE 2
I realized I needed "Workbook" to be "workBook" due to this:
private static Workbook workBook;
...and so I tried this:
Picture pic = workBook.Worksheets[1].Pictures[0]; // Worksheet 0 is the data sheet that feeds the PivotTable and subsequently gets hidden, so need to use 1
pic.Height = 121;
pic.WidthScale = 100;
...but it still gumbifies the image vertically. So does replacing "pic.Height = 121" with "pic.HeightScale = 100;"
So this is the code currently, which adds the image, but in a vertically gumbified manner:
var ms = new MemoryStream();
//_logo.Height = 121; readonly
_logo.Save(ms, ImageFormat.Png);
ms.Position = 0;
pivotTableSheet.Pictures.Add(0, _grandTotalsColumnPivotTable, ms);
Picture pic = workBook.Worksheets[1].Pictures[0]; // Worksheet 0 is the data sheet that feeds the PivotTable
//pic.Height = 121;
pic.HeightScale = 100;
pic.WidthScale = 100;
Please use this code to reset it to original height.
Picture pic = wb.Worksheets[0].Pictures[0];
pic.HeightScale = 100;
pic.WidthScale = 100;
Note: I am working as Developer Evangelist at Aspose
I have this code to try to set the background color of a cell (among other things):
private static readonly Color CONTRACT_ITEM_COLOR = Color.FromArgb(255, 255, 204);
. . .
cell = pivotTableSheet.Cells[4, 0];
cell.PutValue(AnnualContractProductsLabel);
style = cell.GetStyle();
style.HorizontalAlignment = TextAlignmentType.Center;
style.VerticalAlignment = TextAlignmentType.Center;
style.Font.IsBold = true;
pivotTableSheet.Cells.SetRowHeight(4, 25);
style.BackgroundColor = CONTRACT_ITEM_COLOR;
pivotTableSheet.Cells[4, 0].SetStyle(style);
The setting of horizontal and vertical alignment works, as does bold and height - everything but color:
What is yet needed? I have even tried setting ForegroundColor as well as Background colors, to :
style.ForegroundColor = Color.Red;
style.BackgroundColor = Color.Blue;
...but neither does anything - the cell still looks exactly the same as the screenshot above.
Please change your code segment to (see the highlighted lines):
e.g
Sample code:
. . .
cell = pivotTableSheet.Cells[4, 0];
cell.PutValue(AnnualContractProductsLabel);
style = cell.GetStyle();
style.HorizontalAlignment = TextAlignmentType.Center;
style.VerticalAlignment = TextAlignmentType.Center;
style.Font.IsBold = true;
pivotTableSheet.Cells.SetRowHeight(4, 25);
**style.ForegroundColor = CONTRACT_ITEM_COLOR;
style.Pattern = BackgroundType.Solid;**
pivotTableSheet.Cells[4, 0].SetStyle(style);
..........
it should work fine.
I am working as Support developer/ Evangelist at Aspose.
Sometimes setting background works, sometimes it doesn't. Aspose is full of bugs -- ClosedXML is much more reliable but harder to use. Wish I would not have spent the money on a product that was developed by third party in third world county.
var cells = worksheet.Cells; //get cells collection from active worksheet <br>
var srcCells = workbook.Worksheets[1].Cells;<br>
for (int i = 0; i<rowCount; i++)<br>
{<br>
var srcStyle = srcCells[i, 0].GetStyle();<br>
var destStyle = cells[i, 0].GetStyle();<br>
destStyle.Pattern = BackgroundType.Solid;<br>
destStyle.ForegroundColor = Color.FromArgb(srcStyle.ForegroundArgbColor);<br>
cells[i, 0].SetStyle(destStyle);<br>
}<br>
Above Code does not work. srcStyle Foreground color argb is 170,215,255.
Debugging code destStyle ForegroundColor is set to 170,215,255 but when saved as xlsx all the cell backgrounds are white.
In ClosedXML code the following code works perfectly
worksheet.Row(i).Cell(0).Style.BackgroundColor = Color.FromArgb(argb)
Conclusion: Save $$$$$ and use ClosedXML
enter image description here
all is fine only ForegroundColor is not showing
I'm not sure how to flip the axes of my chart. Below is the code I'm using.
Please see also the picture on how it looks right now. Instead of drawing the data vertically I'd like to show it horizontally. It suppose to look like a stock chart because that is what it actually is. I'm using YQL to get the historical data of the symbol as Json format.
I also see the data is scooped in the whole screen. I'd like to see the last month for example and just allow the user to swipe to the right for more or just to zoom out.
I'd appreciate some help.
float vals=0;
String[] resultStrs = new String[StockHistoryArray.length()];
for (int i = 0; i < StockHistoryArray.length(); i++) {
JSONObject chartDataObj = StockHistoryArray.getJSONObject(i);
yVals.add(new Entry(vals,(int) Float.parseFloat(chartDataObj.getString("Adj_Close")),i+1));
xVals.add(i, String.valueOf(vals));
vals++;
}
LineDataSet setting = new LineDataSet(yVals, "Stock Chart");
ArrayList<ILineDataSet> dataSets = new
ArrayList<ILineDataSet>();
dataSets.add(setting);
LineData data = new LineData(xVals, dataSets);
lineChart.setData(data);
Legend l = lineChart.getLegend();
l.setForm(Legend.LegendForm.LINE);
l.setTextColor(Color.WHITE);
XAxis x1 = lineChart.getXAxis();
x1.setTextColor(Color.WHITE);
x1.setDrawGridLines(false);
x1.setAvoidFirstLastClipping(true);
YAxis y1 = lineChart.getAxisLeft();
y1.setTextColor(Color.WHITE);
y1.setAxisMaxValue(120f);
y1.setDrawGridLines(true);
return null;
Here is the screen shot after I run this code. It is one year history.
screen capture
You are doing wrong in the following line.
yVals.add(new Entry(vals,(int) Float.parseFloat(chartDataObj.getString("Adj_Close")),i+1));
Use like this to draw the chart correctly
yVals.add(new Entry(entryVal,entryXIndex);
If your value in chartDataObj.getString("Adj_Close")
then you need to add like this
yVals.add(new Entry(Float.parseFloat(chartDataObj.getString("Adj_Close")), i);