Examples with EscherAggregate org.apache.poi.hssf.record.EscherAggregate used on opensource projects

Example 16 with EscherAggregate

use of org.apache.poi.hssf.record.EscherAggregate in project poi by apache.

the class HSSFSheet method getPatriarch.

private HSSFPatriarch getPatriarch(boolean createIfMissing) {
    if (_patriarch != null) {
        return _patriarch;
    }
    DrawingManager2 dm = _book.findDrawingGroup();
    if (null == dm) {
        if (!createIfMissing) {
            return null;
        } else {
            _book.createDrawingGroup();
            dm = _book.getDrawingManager();
        }
    }
    EscherAggregate agg = (EscherAggregate) _sheet.findFirstRecordBySid(EscherAggregate.sid);
    if (null == agg) {
        int pos = _sheet.aggregateDrawingRecords(dm, false);
        if (-1 == pos) {
            if (createIfMissing) {
                pos = _sheet.aggregateDrawingRecords(dm, true);
                agg = (EscherAggregate) _sheet.getRecords().get(pos);
                HSSFPatriarch patriarch = new HSSFPatriarch(this, agg);
                patriarch.afterCreate();
                return patriarch;
            } else {
                return null;
            }
        }
        agg = (EscherAggregate) _sheet.getRecords().get(pos);
    }
    return new HSSFPatriarch(this, agg);
}

Example 17 with EscherAggregate

use of org.apache.poi.hssf.record.EscherAggregate in project poi by apache.

the class TestDrawingAggregate method test45129.

/**
     * test reading drawing aggregate from a test file from Bugzilla 45129
     */
@Test
public void test45129() throws IOException {
    HSSFWorkbook wb = HSSFTestDataSamples.openSampleWorkbook("45129.xls");
    HSSFSheet sh = wb.getSheetAt(0);
    InternalWorkbook iworkbook = HSSFTestHelper.getWorkbookForTest(wb);
    InternalSheet isheet = HSSFTestHelper.getSheetForTest(sh);
    List<RecordBase> records = isheet.getRecords();
    // the sheet's drawing is not aggregated
    assertEquals("wrong size of sheet records stream", 394, records.size());
    // the last record before the drawing block
    assertTrue("records.get(18) is expected to be RowRecordsAggregate but was " + records.get(18).getClass().getSimpleName(), records.get(18) instanceof RowRecordsAggregate);
    // records to be aggregated
    List<RecordBase> dgRecords = records.subList(19, 389);
    // collect drawing records into a byte buffer.
    byte[] dgBytes = toByteArray(dgRecords);
    for (RecordBase rb : dgRecords) {
        Record r = (Record) rb;
        short sid = r.getSid();
        // we expect that drawing block consists of either
        // DrawingRecord or ContinueRecord or ObjRecord or TextObjectRecord
        assertTrue(sid == DrawingRecord.sid || sid == ContinueRecord.sid || sid == ObjRecord.sid || sid == TextObjectRecord.sid);
    }
    // the first record after the drawing block
    assertTrue("records.get(389) is expected to be Window2", records.get(389) instanceof WindowTwoRecord);
    // aggregate drawing records.
    // The subrange [19, 388] is expected to be replaced with a EscherAggregate object
    DrawingManager2 drawingManager = iworkbook.findDrawingGroup();
    int loc = isheet.aggregateDrawingRecords(drawingManager, false);
    EscherAggregate agg = (EscherAggregate) records.get(loc);
    assertEquals("wrong size of the aggregated sheet records stream", 25, records.size());
    assertTrue("records.get(18) is expected to be RowRecordsAggregate but was " + records.get(18).getClass().getSimpleName(), records.get(18) instanceof RowRecordsAggregate);
    assertTrue("records.get(19) is expected to be EscherAggregate but was " + records.get(19).getClass().getSimpleName(), records.get(19) instanceof EscherAggregate);
    assertTrue("records.get(20) is expected to be Window2 but was " + records.get(20).getClass().getSimpleName(), records.get(20) instanceof WindowTwoRecord);
    byte[] dgBytesAfterSave = agg.serialize();
    assertEquals("different size of drawing data before and after save", dgBytes.length, dgBytesAfterSave.length);
    assertTrue("drawing data before and after save is different", Arrays.equals(dgBytes, dgBytesAfterSave));
    wb.close();
}

Example 18 with EscherAggregate

use of org.apache.poi.hssf.record.EscherAggregate in project poi by apache.

the class TestDrawingAggregate method testFileWithTextbox.

@Test
public void testFileWithTextbox() throws IOException {
    HSSFWorkbook wb = HSSFTestDataSamples.openSampleWorkbook("text.xls");
    HSSFSheet sh = wb.getSheetAt(0);
    InternalSheet ish = HSSFTestHelper.getSheetForTest(sh);
    List<RecordBase> records = ish.getRecords();
    // records to be aggregated
    List<RecordBase> dgRecords = records.subList(19, 23);
    byte[] dgBytes = toByteArray(dgRecords);
    sh.getDrawingPatriarch();
    // collect drawing records into a byte buffer.
    EscherAggregate agg = (EscherAggregate) ish.findFirstRecordBySid(EscherAggregate.sid);
    byte[] dgBytesAfterSave = agg.serialize();
    assertEquals("different size of drawing data before and after save", dgBytes.length, dgBytesAfterSave.length);
    assertTrue("drawing data before and after save is different", Arrays.equals(dgBytes, dgBytesAfterSave));
    wb.close();
}

Example 19 with EscherAggregate

use of org.apache.poi.hssf.record.EscherAggregate in project poi by apache.

the class TestDrawingAggregate method testUnhandledContinue.

@Test
public void testUnhandledContinue() throws IOException {
    String data = "H4sIAAAAAAAAAO3adVRU2/4A8EPHAEOnlEooNaSUdCNIg4CUDCEtQ6gwlITSjYiSkoKA0ikg0i1IyCjS" + "QwpSEr8B73v3PS6+9+67vz/eH+615pyz9tn71PqevT/rfGcJOIcLBtDXrNgAgBjAXcMFAAAb9SPDBAAw" + "gLGmzna8xlxjR9WhAXhrxMAfCzqAf9IPQPXBAn6078IBgAyCH/VgVD2ADwCxAGhNBbXpc9LUF2h8n4we" + "iOoNAKEnywaAFmAEGtDQABLgCA0AcAHfZvLjeozjc+gAUMATgAEygBNqzQTwHl8lcH5dGHWmvGY+1FJD" + "FQOTHHX1x+dkBta2H9UcoLam0I7bAYCRrJMjDOoIM9W56wx1vcnt6WAfF92t0gIhfrfqv0o8e9khH4fE" + "thqnQJHiJqOZUrbDByG8xwYeiEmYJPcUPoP17NH6hTz9cVtyfvnyyUuV3BzE06+vDH/Dlxi+/pYeV32e" + "IGIy2p+e90VyZ+i9OlDL+Rp6Dmot/G2tUgYbGW5vpkSep5Fk2eKtJthDdEvKkzrvC4cmWe7kKaliC7ip" + "0sMjlMUdN/akSG0ticE4nweeA7LUha1xyjNLXZEJUx80rOZMmgMIveJ5pQ7Hio17qM558+zaZgheNOHN" + "tk7hCxKIZgFTs9t1NGhTdj0EIdz0tEcV4KZebLmun1t9qpQ2fF6N29/P3I3j3pYc8kI9zaMjjFNPi/ej" + "qfkAaisS9bRAqLXpHai9Kw/38TIr6s3tZghB0GpAXUB/ncuYLE2mulOgiSpODb6R8rVbnQasDoj6bIiB" + "gpPYItWexPrqVgUk73GpZwT2sBroUQZ07ovZJ6SXgbdvjH//55ZoggllM0Rdw7K6gHmeIt/exXytDGpq" + 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    byte[] dgBytes = decompress(data);
    List<Record> dgRecords = RecordFactory.createRecords(new ByteArrayInputStream(dgBytes));
    assertEquals(20, dgRecords.size());
    short[] expectedSids = { DrawingRecord.sid, ObjRecord.sid, DrawingRecord.sid, TextObjectRecord.sid, DrawingRecord.sid, ObjRecord.sid, DrawingRecord.sid, TextObjectRecord.sid, DrawingRecord.sid, ObjRecord.sid, DrawingRecord.sid, TextObjectRecord.sid, DrawingRecord.sid, ObjRecord.sid, DrawingRecord.sid, TextObjectRecord.sid, ContinueRecord.sid, ObjRecord.sid, ContinueRecord.sid, TextObjectRecord.sid };
    for (int i = 0; i < expectedSids.length; i++) {
        assertEquals("unexpected record.sid and index[" + i + "]", expectedSids[i], dgRecords.get(i).getSid());
    }
    DrawingManager2 drawingManager = new DrawingManager2(new EscherDggRecord());
    // create a dummy sheet consisting of our test data
    InternalSheet sheet = InternalSheet.createSheet();
    List<RecordBase> records = sheet.getRecords();
    records.clear();
    records.addAll(dgRecords);
    records.add(EOFRecord.instance);
    sheet.aggregateDrawingRecords(drawingManager, false);
    assertEquals("drawing was not fully aggregated", 2, records.size());
    assertTrue("expected EscherAggregate", records.get(0) instanceof EscherAggregate);
    assertTrue("expected EOFRecord", records.get(1) instanceof EOFRecord);
    EscherAggregate agg = (EscherAggregate) records.get(0);
    byte[] dgBytesAfterSave = agg.serialize();
    assertEquals("different size of drawing data before and after save", dgBytes.length, dgBytesAfterSave.length);
    assertTrue("drawing data before and after save is different", Arrays.equals(dgBytes, dgBytesAfterSave));
}

Example 20 with EscherAggregate

use of org.apache.poi.hssf.record.EscherAggregate in project poi by apache.

the class TestDrawingShapes method testShapeIds.

@Test
public void testShapeIds() throws IOException {
    HSSFWorkbook wb1 = new HSSFWorkbook();
    HSSFSheet sheet1 = wb1.createSheet();
    HSSFPatriarch patriarch1 = sheet1.createDrawingPatriarch();
    for (int i = 0; i < 2; i++) {
        patriarch1.createSimpleShape(new HSSFClientAnchor());
    }
    HSSFWorkbook wb2 = HSSFTestDataSamples.writeOutAndReadBack(wb1);
    wb1.close();
    sheet1 = wb2.getSheetAt(0);
    patriarch1 = sheet1.getDrawingPatriarch();
    EscherAggregate agg1 = HSSFTestHelper.getEscherAggregate(patriarch1);
    // last shape ID cached in EscherDgRecord
    EscherDgRecord dg1 = agg1.getEscherContainer().getChildById(EscherDgRecord.RECORD_ID);
    assertEquals(1026, dg1.getLastMSOSPID());
    // iterate over shapes and check shapeId
    EscherContainerRecord spgrContainer = agg1.getEscherContainer().getChildContainers().get(0);
    // root spContainer + 2 spContainers for shapes
    assertEquals(3, spgrContainer.getChildRecords().size());
    EscherSpRecord sp0 = ((EscherContainerRecord) spgrContainer.getChild(0)).getChildById(EscherSpRecord.RECORD_ID);
    assertEquals(1024, sp0.getShapeId());
    EscherSpRecord sp1 = ((EscherContainerRecord) spgrContainer.getChild(1)).getChildById(EscherSpRecord.RECORD_ID);
    assertEquals(1025, sp1.getShapeId());
    EscherSpRecord sp2 = ((EscherContainerRecord) spgrContainer.getChild(2)).getChildById(EscherSpRecord.RECORD_ID);
    assertEquals(1026, sp2.getShapeId());
    wb2.close();
}