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Support for removing low level font records

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git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@677029 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Nick Burch 2008-07-15 20:24:53 +00:00
parent 775fa5ed25
commit aa11ce85c1
2 changed files with 44 additions and 0 deletions
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11
src/java/org/apache/poi/hssf/model/Workbook.java
View File

@ -443,6 +443,17 @@ public class Workbook implements Model
numfonts++;
return rec;
}
/**
* 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--;
}
/**
* gets the number of font records

33
src/testcases/org/apache/poi/hssf/model/TestWorkbook.java
View File

@ -32,6 +32,7 @@ public final class TestWorkbook extends TestCase {
Workbook wb = (new HW()).getWorkbook();
assertEquals(4, wb.getNumberOfFontRecords());
assertEquals(68, wb.getRecords().size());
FontRecord f1 = wb.getFontRecordAt(0);
FontRecord f4 = wb.getFontRecordAt(3);
@ -45,9 +46,41 @@ public final class TestWorkbook extends TestCase {
// There is no 4! new ones go in at 5
FontRecord n = wb.createNewFont();
assertEquals(69, wb.getRecords().size());
assertEquals(5, wb.getNumberOfFontRecords());
assertEquals(5, wb.getFontIndex(n));
assertEquals(n, wb.getFontRecordAt(5));
// And another
FontRecord n6 = wb.createNewFont();
assertEquals(70, wb.getRecords().size());
assertEquals(6, wb.getNumberOfFontRecords());
assertEquals(6, wb.getFontIndex(n6));
assertEquals(n6, wb.getFontRecordAt(6));
// Now remove the one formerly at 5
assertEquals(70, wb.getRecords().size());
wb.removeFontRecord(n);
// Check that 6 has gone to 5
assertEquals(69, wb.getRecords().size());
assertEquals(5, wb.getNumberOfFontRecords());
assertEquals(5, wb.getFontIndex(n6));
assertEquals(n6, wb.getFontRecordAt(5));
// Check that the earlier ones are unchanged
assertEquals(0, wb.getFontIndex(f1));
assertEquals(3, wb.getFontIndex(f4));
assertEquals(f1, wb.getFontRecordAt(0));
assertEquals(f4, wb.getFontRecordAt(3));
// Finally, add another one
FontRecord n7 = wb.createNewFont();
assertEquals(70, wb.getRecords().size());
assertEquals(6, wb.getNumberOfFontRecords());
assertEquals(6, wb.getFontIndex(n7));
assertEquals(n7, wb.getFontRecordAt(6));
}
private class HW extends HSSFWorkbook {