Examples with EscherDgRecord org.apache.poi.ddf.EscherDgRecord used on opensource projects

Example 11 with EscherDgRecord

use of org.apache.poi.ddf.EscherDgRecord in project poi by apache.

the class InternalWorkbook method cloneDrawings.

/**
     * Check if the cloned sheet has drawings. If yes, then allocate a new drawing group ID and
     * re-generate shape IDs
     *
     * @param sheet the cloned sheet
     */
public void cloneDrawings(InternalSheet sheet) {
    findDrawingGroup();
    if (drawingManager == null) {
        //this workbook does not have drawings
        return;
    }
    //check if the cloned sheet has drawings
    int aggLoc = sheet.aggregateDrawingRecords(drawingManager, false);
    if (aggLoc == -1) {
        return;
    }
    EscherAggregate agg = (EscherAggregate) sheet.findFirstRecordBySid(EscherAggregate.sid);
    EscherContainerRecord escherContainer = agg.getEscherContainer();
    if (escherContainer == null) {
        return;
    }
    EscherDggRecord dgg = drawingManager.getDgg();
    //register a new drawing group for the cloned sheet
    int dgId = drawingManager.findNewDrawingGroupId();
    dgg.addCluster(dgId, 0);
    dgg.setDrawingsSaved(dgg.getDrawingsSaved() + 1);
    EscherDgRecord dg = null;
    for (EscherRecord er : escherContainer) {
        if (er instanceof EscherDgRecord) {
            dg = (EscherDgRecord) er;
            //update id of the drawing in the cloned sheet
            dg.setOptions((short) (dgId << 4));
        } else if (er instanceof EscherContainerRecord) {
            // iterate over shapes and re-generate shapeId
            for (EscherRecord er2 : (EscherContainerRecord) er) {
                for (EscherRecord shapeChildRecord : (EscherContainerRecord) er2) {
                    int recordId = shapeChildRecord.getRecordId();
                    if (recordId == EscherSpRecord.RECORD_ID) {
                        if (dg == null) {
                            throw new RecordFormatException("EscherDgRecord wasn't set/processed before.");
                        }
                        EscherSpRecord sp = (EscherSpRecord) shapeChildRecord;
                        int shapeId = drawingManager.allocateShapeId((short) dgId, dg);
                        //allocateShapeId increments the number of shapes. roll back to the previous value
                        dg.setNumShapes(dg.getNumShapes() - 1);
                        sp.setShapeId(shapeId);
                    } else if (recordId == EscherOptRecord.RECORD_ID) {
                        EscherOptRecord opt = (EscherOptRecord) shapeChildRecord;
                        EscherSimpleProperty prop = (EscherSimpleProperty) opt.lookup(EscherProperties.BLIP__BLIPTODISPLAY);
                        if (prop != null) {
                            int pictureIndex = prop.getPropertyValue();
                            // increment reference count for pictures
                            EscherBSERecord bse = getBSERecord(pictureIndex);
                            bse.setRef(bse.getRef() + 1);
                        }
                    }
                }
            }
        }
    }
}

Example 12 with EscherDgRecord

use of org.apache.poi.ddf.EscherDgRecord in project poi by apache.

the class TestCloneSheet method testCloneSheetWithEmptyDrawingAggregate.

@Test
public void testCloneSheetWithEmptyDrawingAggregate() {
    HSSFWorkbook b = new HSSFWorkbook();
    HSSFSheet s = b.createSheet("Test");
    HSSFPatriarch patriarch = s.createDrawingPatriarch();
    EscherAggregate agg1 = patriarch.getBoundAggregate();
    HSSFSheet s2 = s.cloneSheet(b);
    patriarch = s2.getDrawingPatriarch();
    EscherAggregate agg2 = patriarch.getBoundAggregate();
    EscherSpRecord sp1 = (EscherSpRecord) agg1.getEscherContainer().getChild(1).getChild(0).getChild(1);
    EscherSpRecord sp2 = (EscherSpRecord) agg2.getEscherContainer().getChild(1).getChild(0).getChild(1);
    assertEquals(sp1.getShapeId(), 1024);
    assertEquals(sp2.getShapeId(), 2048);
    EscherDgRecord dg = (EscherDgRecord) agg2.getEscherContainer().getChild(0);
    assertEquals(dg.getLastMSOSPID(), 2048);
    assertEquals(dg.getInstance(), 0x2);
    //everything except id and DgRecord.lastMSOSPID and DgRecord.Instance must be the same
    sp2.setShapeId(1024);
    dg.setLastMSOSPID(1024);
    dg.setInstance((short) 0x1);
    assertEquals(agg1.serialize().length, agg2.serialize().length);
    assertEquals(agg1.toXml(""), agg2.toXml(""));
    assertArrayEquals(agg1.serialize(), agg2.serialize());
}

Example 13 with EscherDgRecord

use of org.apache.poi.ddf.EscherDgRecord in project poi by apache.

the class DrawingManager2 method createDgRecord.

/**
     * Creates a new drawing group 
     *
     * @return a new drawing group
     */
public EscherDgRecord createDgRecord() {
    EscherDgRecord dg = new EscherDgRecord();
    dg.setRecordId(EscherDgRecord.RECORD_ID);
    short dgId = findNewDrawingGroupId();
    dg.setOptions((short) (dgId << 4));
    dg.setNumShapes(0);
    dg.setLastMSOSPID(-1);
    drawingGroups.add(dg);
    dgg.addCluster(dgId, 0);
    dgg.setDrawingsSaved(dgg.getDrawingsSaved() + 1);
    return dg;
}

Example 14 with EscherDgRecord

use of org.apache.poi.ddf.EscherDgRecord in project poi by apache.

the class DrawingManager method createDgRecord.

public EscherDgRecord createDgRecord() {
    EscherDgRecord dg = new EscherDgRecord();
    dg.setRecordId(EscherDgRecord.RECORD_ID);
    short dgId = findNewDrawingGroupId();
    dg.setOptions((short) (dgId << 4));
    dg.setNumShapes(0);
    dg.setLastMSOSPID(-1);
    dgg.addCluster(dgId, 0);
    dgg.setDrawingsSaved(dgg.getDrawingsSaved() + 1);
    dgMap.put(dgId, dg);
    return dg;
}

Example 15 with EscherDgRecord

use of org.apache.poi.ddf.EscherDgRecord in project poi by apache.

the class TestDrawingManager method testAllocateShapeId.

public void testAllocateShapeId() {
    EscherDggRecord dgg = new EscherDggRecord();
    dgg.setDrawingsSaved(0);
    dgg.setFileIdClusters(new EscherDggRecord.FileIdCluster[] {});
    DrawingManager dm = new DrawingManager(dgg);
    EscherDgRecord dg = dm.createDgRecord();
    int shapeId = dm.allocateShapeId(dg.getDrawingGroupId());
    assertEquals(1024, shapeId);
    assertEquals(1025, dgg.getShapeIdMax());
    assertEquals(1, dgg.getDrawingsSaved());
    assertEquals(1, dgg.getFileIdClusters()[0].getDrawingGroupId());
    assertEquals(1, dgg.getFileIdClusters()[0].getNumShapeIdsUsed());
    assertEquals(1024, dg.getLastMSOSPID());
    assertEquals(1, dg.getNumShapes());
}