GitHub
/
NPOI
7
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity
Browse Source

Merge pull request #97 from energyworldnet/autosizecolumn-fix 

Fix AutoSizeColumn
master^2
Savorboard 6 years ago
committed by GitHub
parent
1c883236a7 45c15f887e
commit
947220dedb
No known key found for this signature in database GPG Key ID: 4AEE18F83AFDEB23
4 changed files with 51 additions and 69 deletions
Whitespace
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Split View
Diff Options
Show Stats Download Patch File Download Diff File
  1. 4
      src/NPOI/SS/UserModel/DataFormatter.cs
  2. 30
      src/NPOI/SS/Util/Format.cs
  3. 60
      src/NPOI/SS/Util/SheetUtil.cs
  4. 26
      src/NPOI/TextRenderer.cs

4
src/NPOI/SS/UserModel/DataFormatter.cs
View File

@ -118,10 +118,10 @@ namespace NPOI.SS.UserModel
invalidDateTimeString = buf.ToString();
}
/** <em>General</em> FormatBase for whole numbers. */
private static DecimalFormat generalWholeNumFormat = new DecimalFormat("0");
private static DecimalFormat generalWholeNumFormat = new DecimalFormat("0", true);
/** <em>General</em> FormatBase for decimal numbers. */
private static DecimalFormat generalDecimalNumFormat = new DecimalFormat("#.##########");
private static DecimalFormat generalDecimalNumFormat = new DecimalFormat("#.##########", true);
/** A default FormatBase to use when a number pattern cannot be Parsed. */
private FormatBase defaultNumFormat;

30
src/NPOI/SS/Util/Format.cs
View File

@ -173,12 +173,20 @@ namespace NPOI.SS.Util
private string pattern;
private bool isGeneral;
public DecimalFormat(string pattern)
{
if (pattern.IndexOf("'", StringComparison.Ordinal) != -1)
throw new ArgumentException("invalid pattern");
this.pattern = pattern;
}
internal DecimalFormat(string pattern, bool isGeneral) : this(pattern)
{
this.isGeneral = isGeneral;
}
public string Pattern
{
get
@ -194,19 +202,19 @@ namespace NPOI.SS.Util
}
public override string Format(object obj, CultureInfo culture)
{
//invalide fraction
// Invalid fraction
pattern = RegexFraction.Replace(pattern, "/");
double n = Convert.ToDouble(obj, CultureInfo.InvariantCulture);
if (pattern.IndexOf("'", StringComparison.Ordinal) != -1)
{
//return ((double)obj).ToString();
return Convert.ToDouble(obj, CultureInfo.InvariantCulture).ToString(culture);
}
else
{
return Convert.ToDouble(obj, CultureInfo.InvariantCulture).ToString(pattern, culture);
//return ((double)obj).ToString(pattern) ;
}
return n.ToString(culture);
// Excel displays in scientific notation if the cell form is General and there are 12 or more digits
// https://support.office.com/en-us/article/display-numbers-in-scientific-exponential-notation-f85a96c0-18a1-4249-81c3-e934cd2aae25
if (isGeneral && Math.Floor(Math.Log10(n) + 1) >= 12)
pattern = "E4";
return n.ToString(pattern, culture);
}
public override StringBuilder Format(object obj, StringBuilder toAppendTo, CultureInfo culture)

60
src/NPOI/SS/Util/SheetUtil.cs
View File

@ -36,7 +36,7 @@ namespace NPOI.SS.Util
// * but the docs say nothing about what particular character is used.
// * '0' looks to be a good choice.
// */
private static char defaultChar = '0';
private const char defaultChar = '0';
// /**
// * This is the multiple that the font height is scaled by when determining the
@ -300,19 +300,18 @@ namespace NPOI.SS.Util
ICellStyle style = cell.CellStyle;
CellType cellType = cell.CellType;
IFont defaultFont = wb.GetFontAt((short)0);
Font windowsFont = IFont2Font(defaultFont);
// for formula cells we compute the cell width for the cached formula result
if (cellType == CellType.Formula) cellType = cell.CachedFormulaResultType;
IFont font = wb.GetFontAt(style.FontIndex);
Font windowsFont = IFont2Font(font);
//AttributedString str;
//TextLayout layout;
double width = -1;
using (Bitmap bmp = new Bitmap(1, 1))
using (Graphics g = Graphics.FromImage(bmp))
using (Graphics g = Graphics.FromHwnd(IntPtr.Zero))
{
if (cellType == CellType.String)
{
@ -324,7 +323,6 @@ namespace NPOI.SS.Util
//str = new AttributedString(txt);
//copyAttributes(font, str, 0, txt.length());
windowsFont = IFont2Font(font);
if (rt.NumFormattingRuns > 0)
{
// TODO: support rich text fragments
@ -345,11 +343,11 @@ namespace NPOI.SS.Util
// AffineTransform.getScaleInstance(1, fontHeightMultiple)
// );
double angle = style.Rotation * 2.0 * Math.PI / 360.0;
SizeF sf = g.MeasureString(txt, windowsFont);
SizeF sf = MeasureString(g, txt, windowsFont);
double x1 = Math.Abs(sf.Height * Math.Sin(angle));
double x2 = Math.Abs(sf.Width * Math.Cos(angle));
double w = Math.Round(x1 + x2, 0, MidpointRounding.ToEven);
width = Math.Max(width, (w / colspan / defaultCharWidth) * 2 + cell.CellStyle.Indention);
width = Math.Max(width, (w / colspan / defaultCharWidth) + cell.CellStyle.Indention);
//width = Math.Max(width,
// ((layout.getOutline(trans).getBounds().getWidth()/colspan)/defaultCharWidth) +
// cell.getCellStyle().getIndention());
@ -359,8 +357,8 @@ namespace NPOI.SS.Util
//width = Math.Max(width,
// ((layout.getBounds().getWidth()/colspan)/defaultCharWidth) +
// cell.getCellStyle().getIndention());
double w = Math.Round(g.MeasureString(txt, windowsFont).Width, 0, MidpointRounding.ToEven);
width = Math.Max(width, (w / colspan / defaultCharWidth) * 2 + cell.CellStyle.Indention);
double w = Math.Round(MeasureString(g, txt, windowsFont).Width, 0, MidpointRounding.ToEven);
width = Math.Max(width, (w / colspan / defaultCharWidth) + cell.CellStyle.Indention);
}
}
}
@ -388,7 +386,6 @@ namespace NPOI.SS.Util
String txt = sval + defaultChar;
//str = new AttributedString(txt);
//copyAttributes(font, str, 0, txt.length());
windowsFont = IFont2Font(font);
//layout = new TextLayout(str.getIterator(), fontRenderContext);
if (style.Rotation != 0)
{
@ -407,19 +404,19 @@ namespace NPOI.SS.Util
// ((layout.getOutline(trans).getBounds().getWidth()/colspan)/defaultCharWidth) +
// cell.getCellStyle().getIndention());
double angle = style.Rotation * 2.0 * Math.PI / 360.0;
SizeF sf = g.MeasureString(txt, windowsFont);
SizeF sf = MeasureString(g, txt, windowsFont);
double x1 = sf.Height * Math.Sin(angle);
double x2 = sf.Width * Math.Cos(angle);
double w = Math.Round(x1 + x2, 0, MidpointRounding.ToEven);
width = Math.Max(width, (w / colspan / defaultCharWidth) * 2 + cell.CellStyle.Indention);
width = Math.Max(width, (w / colspan / defaultCharWidth) + cell.CellStyle.Indention);
}
else
{
//width = Math.max(width,
// ((layout.getBounds().getWidth()/colspan)/defaultCharWidth) +
// cell.getCellStyle().getIndention());
double w = Math.Round(g.MeasureString(txt, windowsFont).Width, 0, MidpointRounding.ToEven);
width = Math.Max(width, (w * 1.0 / colspan / defaultCharWidth) * 2 + cell.CellStyle.Indention);
double w = Math.Round(MeasureString(g, txt, windowsFont).Width, 0, MidpointRounding.ToEven);
width = Math.Max(width, (w / colspan / defaultCharWidth) + cell.CellStyle.Indention);
}
}
}
@ -449,14 +446,12 @@ namespace NPOI.SS.Util
IWorkbook wb = sheet.Workbook;
DataFormatter formatter = new DataFormatter();
IFont defaultFont = wb.GetFontAt((short)0);
//str = new AttributedString((defaultChar));
//copyAttributes(defaultFont, str, 0, 1);
//layout = new TextLayout(str.Iterator, fontRenderContext);
//int defaultCharWidth = (int)layout.Advance;
Font font = IFont2Font(defaultFont);
int defaultCharWidth = TextRenderer.MeasureText("" + new String(defaultChar, 1), font).Width;
int defaultCharWidth = getDefaultCharWidth(wb);
//DummyEvaluator dummyEvaluator = new DummyEvaluator();
double width = -1;
@ -491,14 +486,11 @@ namespace NPOI.SS.Util
IWorkbook wb = sheet.Workbook;
DataFormatter formatter = new DataFormatter();
IFont defaultFont = wb.GetFontAt((short)0);
//str = new AttributedString((defaultChar));
//copyAttributes(defaultFont, str, 0, 1);
//layout = new TextLayout(str.Iterator, fontRenderContext);
//int defaultCharWidth = (int)layout.Advance;
Font font = IFont2Font(defaultFont);
int defaultCharWidth = TextRenderer.MeasureText("" + new String(defaultChar, 1), font).Width;
int defaultCharWidth = getDefaultCharWidth(wb);
double width = -1;
for (int rowIdx = firstRow; rowIdx <= lastRow; ++rowIdx)
@ -662,15 +654,23 @@ namespace NPOI.SS.Util
public static int getDefaultCharWidth(IWorkbook wb)
{
//TODO: Implement!
return 1;
//throw new NotImplementedException();
//IFont defaultFont = wb.GetFontAt(0);
IFont defaultFont = wb.GetFontAt(0);
Font font = IFont2Font(defaultFont);
using (Graphics g = Graphics.FromHwnd(IntPtr.Zero))
{
double width = MeasureString(g, new string(defaultChar, 1), font).Width;
return (int)Math.Round(width, 0, MidpointRounding.ToEven);
}
}
private static SizeF MeasureString(Graphics g, string text, Font font)
{
var size = g.MeasureString(text, font);
//IAttributedString str = new AttributedString(defaultChar.ToString());
//copyAttributes(defaultFont, str, 0, 1);
//ITextLayout layout = new TextLayout(str.getIterator(), fontRenderContext);
//return (int)layout.getAdvance();
// MeasureString adds padding so we do this to remove it
// https://stackoverflow.com/a/11708952/1409101
var actualWidth = g.MeasureString(text + text, font).Width - size.Width;
return new SizeF(actualWidth, size.Height);
}
}
}

26
src/NPOI/TextRenderer.cs
View File

@ -1,26 +0,0 @@
using System.Drawing;
namespace NPOI
{
/// <summary>Provides methods used to measure and render text. This class cannot be inherited. </summary>
public sealed class TextRenderer
{
private TextRenderer()
{
}
/// <summary>Provides the size, in pixels, of the specified text when drawn with the specified font.</summary>
/// <param name="text">The text to measure.</param>
/// <param name="font">The <see cref="T:Color" /> to apply to the measured text.</param>
/// <returns>The <see cref="T:System.Drawing.Size" />, in pixels, of <paramref name="text" /> drawn on a single line with the specified <paramref name="font" />. You can manipulate how the text is drawn by using one of the <see cref="M:System.Windows.Forms.TextRenderer.DrawText(System.Drawing.IDeviceContext,System.String,Color,System.Drawing.Rectangle,Color,System.Windows.Forms.TextFormatFlags)" /> overloads that takes a <see cref="T:System.Windows.Forms.TextFormatFlags" /> parameter. For example, the default behavior of the <see cref="T:System.Windows.Forms.TextRenderer" /> is to add padding to the bounding rectangle of the drawn text to accommodate overhanging glyphs. If you need to draw a line of text without these extra spaces you should use the versions of <see cref="M:System.Windows.Forms.TextRenderer.DrawText(System.Drawing.IDeviceContext,System.String,Color,System.Drawing.Point,Color)" /> and <see cref="M:System.Windows.Forms.TextRenderer.MeasureText(System.Drawing.IDeviceContext,System.String,Color)" /> that take a <see cref="T:System.Drawing.Size" /> and <see cref="T:System.Windows.Forms.TextFormatFlags" /> parameter. For an example, see <see cref="M:System.Windows.Forms.TextRenderer.MeasureText(System.Drawing.IDeviceContext,System.String,Color,System.Drawing.Size,System.Windows.Forms.TextFormatFlags)" />.</returns>
public static Size MeasureText(string text, Font font)
{
if (string.IsNullOrEmpty(text))
{
return Size.Empty;
}
Size result = new Size(19, 19);
return result;
}
}
}
Write Preview
Loading…
Cancel
Save