public void TestStore()
{
// .fontheight = c8
// .attributes = 0
// .italic = false
// .strikout = false
// .macoutlined= false
// .macshadowed= false
// .colorpalette = 7fff
// .boldweight = 190
// .supersubscript = 0
// .underline = 0
// .family = 0
// .charset = 0
// .namelength = 5
// .fontname = Arial
FontRecord record = new FontRecord();
record.FontHeight = ((short)0xc8);
record.Attributes=((short)0);
record.ColorPaletteIndex=((short)0x7fff);
record.BoldWeight=((short)0x190);
record.SuperSubScript=((short)0);
record.Underline=((byte)0);
record.Family=((byte)0);
record.Charset=((byte)0);
record.FontName = ("Arial");
byte[] recordBytes = record.Serialize();
TestcaseRecordInputStream.ConfirmRecordEncoding(0x31, data, recordBytes);
}
public void TestCloneOnto()
{
FontRecord base1 = new FontRecord(TestcaseRecordInputStream.Create(0x31, data));
FontRecord other = new FontRecord();
other.CloneStyleFrom(base1);
byte[] recordBytes = other.Serialize();
Assert.AreEqual(recordBytes.Length - 4, data.Length);
for (int i = 0; i < data.Length; i++)
Assert.AreEqual(data[i], recordBytes[i + 4], "At offset " + i);
}
/**
* Clones all the font style information from another
* FontRecord, onto this one. This
* will then hold all the same font style options.
*/
public void CloneStyleFrom(FontRecord source)
{
field_1_font_height = source.field_1_font_height;
field_2_attributes = source.field_2_attributes;
field_3_color_palette_index = source.field_3_color_palette_index;
field_4_bold_weight = source.field_4_bold_weight;
field_5_base_sub_script = source.field_5_base_sub_script;
field_6_underline = source.field_6_underline;
field_7_family = source.field_7_family;
field_8_charset = source.field_8_charset;
field_9_zero = source.field_9_zero;
field_11_font_name = source.field_11_font_name;
}
/**
* Does this FontRecord have all the same font
* properties as the supplied FontRecord?
* Note that {@link #equals(Object)} will check
* for exact objects, while this will check
* for exact contents, because normally the
* font record's position makes a big
* difference too.
*/
public bool SameProperties(FontRecord other)
{
return
(field_1_font_height == other.field_1_font_height &&
field_2_attributes == other.field_2_attributes &&
field_3_color_palette_index == other.field_3_color_palette_index &&
field_4_bold_weight == other.field_4_bold_weight &&
field_5_base_sub_script == other.field_5_base_sub_script &&
field_6_underline == other.field_6_underline &&
field_7_family == other.field_7_family &&
field_8_charset == other.field_8_charset &&
field_9_zero == other.field_9_zero &&
field_11_font_name.Equals(other.field_11_font_name));
}
public void TestLoad()
{
FontRecord record = new FontRecord(TestcaseRecordInputStream.Create(0x31, data));
Assert.AreEqual(0xc8, record.FontHeight);
Assert.AreEqual(0x00, record.Attributes);
Assert.IsFalse(record.IsItalic);
Assert.IsFalse(record.IsStrikeout);
Assert.IsFalse(record.IsMacoutlined);
Assert.IsFalse(record.IsMacshadowed);
Assert.AreEqual(0x7fff, record.ColorPaletteIndex);
Assert.AreEqual(0x190, record.BoldWeight);
Assert.AreEqual(0x00, record.SuperSubScript);
Assert.AreEqual(0x00, record.Underline);
Assert.AreEqual(0x00, record.Family);
Assert.AreEqual(0x00, record.Charset);
Assert.AreEqual("Arial", record.FontName);
Assert.AreEqual(21 + 4, record.RecordSize);
}
/**
* Retrieves the index of the given font
*/
public int GetFontIndex(FontRecord font)
{
for (int i = 0; i <= numfonts; i++)
{
FontRecord thisFont =
(FontRecord)records[(records.Fontpos - (numfonts - 1)) + i];
if (thisFont == font)
{
// There is no 4!
if (i > 3)
{
return (i + 1);
}
return i;
}
}
throw new ArgumentException("Could not find that font!");
}
/**
* Removes the given font record from the
* file's list. This will make all
* subsequent font indicies drop by one,
* so you'll need to update those yourself!
*/
public void RemoveFontRecord(FontRecord rec)
{
records.Remove(rec); // this updates FontPos for us
numfonts--;
}
/**
* Creates a Font record with the following magic values:
* fontheight = 0xc8
* attributes = 0x0
* color palette index = 0x7fff
* bold weight = 0x190
* Font Name Length = 5
* Font Name = Arial
*
* @see org.apache.poi.hssf.record.FontRecord
* @see org.apache.poi.hssf.record.Record
* @return record containing a FontRecord
*/
private static Record CreateFont()
{
FontRecord retval = new FontRecord();
retval.FontHeight=(short)0xc8;
retval.Attributes=(short)0x0;
retval.ColorPaletteIndex=(short)0x7fff;
retval.BoldWeight=(short)0x190;
retval.FontName="Arial";
return retval;
}
/// <summary>
/// Initializes a new instance of the <see cref="HSSFFont"/> class.
/// </summary>
/// <param name="index">The index.</param>
/// <param name="rec">The record.</param>
public HSSFFont(short index, FontRecord rec)
{
font = rec;
this.index = index;
}
/**
* Does this FontRecord have all the same font
* properties as the supplied FontRecord?
* Note that {@link #equals(Object)} will check
* for exact objects, while this will check
* for exact contents, because normally the
* font record's position makes a big
* difference too.
*/
public bool SameProperties(FontRecord other)
{
return
field_1_font_height == other.field_1_font_height &&
field_2_attributes == other.field_2_attributes &&
field_3_color_palette_index == other.field_3_color_palette_index &&
field_4_bold_weight == other.field_4_bold_weight &&
field_5_base_sub_script == other.field_5_base_sub_script &&
field_6_underline == other.field_6_underline &&
field_7_family == other.field_7_family &&
field_8_charset == other.field_8_charset &&
field_9_zero == other.field_9_zero &&
field_11_font_name.Equals(other.field_11_font_name);
}
/**
* Clones all the font style information from another
* FontRecord, onto this one. This
* will then hold all the same font style options.
*/
public void CloneStyleFrom(FontRecord source)
{
field_1_font_height = source.field_1_font_height;
field_2_attributes = source.field_2_attributes;
field_3_color_palette_index = source.field_3_color_palette_index;
field_4_bold_weight = source.field_4_bold_weight;
field_5_base_sub_script = source.field_5_base_sub_script;
field_6_underline = source.field_6_underline;
field_7_family = source.field_7_family;
field_8_charset = source.field_8_charset;
field_9_zero = source.field_9_zero;
field_11_font_name = source.field_11_font_name;
}
/// <summary>
/// Goes through the Workbook, optimising the fonts by
/// removing duplicate ones.
/// For now, only works on fonts used in HSSFCellStyle
/// and HSSFRichTextString. Any other font uses
/// (eg charts, pictures) may well end up broken!
/// This can be a slow operation, especially if you have
/// lots of cells, cell styles or rich text strings
/// </summary>
/// <param name="workbook">The workbook in which to optimise the fonts</param>
public static void OptimiseFonts(HSSFWorkbook workbook)
{
// Where each font has ended up, and if we need to
// delete the record for it. Start off with no change
short[] newPos =
new short[workbook.Workbook.NumberOfFontRecords + 1];
bool[] zapRecords = new bool[newPos.Length];
for (int i = 0; i < newPos.Length; i++)
{
newPos[i] = (short)i;
zapRecords[i] = false;
}
// Get each font record, so we can do deletes
// without Getting confused
FontRecord[] frecs = new FontRecord[newPos.Length];
for (int i = 0; i < newPos.Length; i++)
{
// There is no 4!
if (i == 4) continue;
frecs[i] = workbook.Workbook.GetFontRecordAt(i);
}
// Loop over each font, seeing if it is the same
// as an earlier one. If it is, point users of the
// later duplicate copy to the earlier one, and
// mark the later one as needing deleting
// Note - don't change built in fonts (those before 5)
for (int i = 5; i < newPos.Length; i++)
{
// Check this one for being a duplicate
// of an earlier one
int earlierDuplicate = -1;
for (int j = 0; j < i && earlierDuplicate == -1; j++)
{
if (j == 4) continue;
FontRecord frCheck = workbook.Workbook.GetFontRecordAt(j);
if (frCheck.SameProperties(frecs[i]))
{
earlierDuplicate = j;
}
}
// If we got a duplicate, mark it as such
if (earlierDuplicate != -1)
{
newPos[i] = (short)earlierDuplicate;
zapRecords[i] = true;
}
}
// Update the new positions based on
// deletes that have occurred between
// the start and them
// Only need to worry about user fonts
for (int i = 5; i < newPos.Length; i++)
{
// Find the number deleted to that
// point, and adjust
short preDeletePos = newPos[i];
short newPosition = preDeletePos;
for (int j = 0; j < preDeletePos; j++)
{
if (zapRecords[j]) newPosition--;
}
// Update the new position
newPos[i] = newPosition;
}
// Zap the un-needed user font records
for (int i = 5; i < newPos.Length; i++)
{
if (zapRecords[i])
{
workbook.Workbook.RemoveFontRecord(
frecs[i]
);
}
}
// Tell HSSFWorkbook that it needs to
// re-start its HSSFFontCache
workbook.ResetFontCache();
// Update the cell styles to point at the
// new locations of the fonts
for (int i = 0; i < workbook.Workbook.NumExFormats; i++)
{
ExtendedFormatRecord xfr = workbook.Workbook.GetExFormatAt(i);
xfr.FontIndex = (
newPos[xfr.FontIndex]
);
}
// Update the rich text strings to point at
// the new locations of the fonts
// Remember that one underlying unicode string
// may be shared by multiple RichTextStrings!
ArrayList doneUnicodeStrings = new ArrayList();
for (int sheetNum = 0; sheetNum < workbook.NumberOfSheets; sheetNum++)
{
HSSFSheet s = workbook.GetSheetAt(sheetNum);
IEnumerator rIt = s.GetRowEnumerator();
while (rIt.MoveNext())
{
HSSFRow row = (HSSFRow)rIt.Current;
IEnumerator cIt = row.GetCellEnumerator();
while (cIt.MoveNext())
{
HSSFCell cell = (HSSFCell)cIt.Current;
if (cell.CellType == HSSFCell.CELL_TYPE_STRING)
{
HSSFRichTextString rtr = cell.RichStringCellValue;
UnicodeString u = rtr.RawUnicodeString;
// Have we done this string already?
if (!doneUnicodeStrings.Contains(u))
{
// Update for each new position
for (short i = 5; i < newPos.Length; i++)
{
if (i != newPos[i])
{
u.SwapFontUse(i, newPos[i]);
}
}
// Mark as done
doneUnicodeStrings.Add(u);
}
}
}
}
}
}
/**
* Creates a Font record with the following magic values:
* fontheight = 0xc8
* attributes = 0x0
* color palette index = 0x7fff
* bold weight = 0x190
* Font Name Length = 5
* Font Name = Arial
*
* @see org.apache.poi.hssf.record.FontRecord
* @see org.apache.poi.hssf.record.Record
* @return record containing a FontRecord
*/
protected Record CreateFont()
{
FontRecord retval = new FontRecord();
retval.FontHeight=(short)0xc8;
retval.Attributes=(short)0x0;
retval.ColorPaletteIndex=(short)0x7fff;
retval.BoldWeight=(short)0x190;
retval.FontNameLength=(byte)5;
retval.FontName="Arial";
return retval;
}
public void TestSameProperties()
{
FontRecord f1 = new FontRecord(TestcaseRecordInputStream.Create(0x31, data));
FontRecord f2 = new FontRecord(TestcaseRecordInputStream.Create(0x31, data));
Assert.IsTrue(f1.SameProperties(f2));
f2.FontName = ("Arial2");
Assert.IsFalse(f1.SameProperties(f2));
f2.FontName = ("Arial");
Assert.IsTrue(f1.SameProperties(f2));
f2.FontHeight = ((short)11);
Assert.IsFalse(f1.SameProperties(f2));
f2.FontHeight = ((short)0xc8);
Assert.IsTrue(f1.SameProperties(f2));
}
public void TestEmptyName_bug47250()
{
byte[] emptyNameData = HexRead.ReadFromString(
"C8 00 00 00 FF 7F 90 01 00 00 00 00 00 00 "
+ "00" // zero length
+ "00" // unicode options byte
);
RecordInputStream in1 = TestcaseRecordInputStream.Create(SID, emptyNameData);
FontRecord fr = new FontRecord(in1);
if (in1.Available() == 1)
{
throw new AssertionException("Identified bug 47250");
}
Assert.AreEqual(0, in1.Available());
Assert.AreEqual(0, fr.FontName.Length);
byte[] recordBytes = fr.Serialize();
TestcaseRecordInputStream.ConfirmRecordEncoding(SID, emptyNameData, recordBytes);
}